Daikin FHQ100BUV1B x 2 Скачать руководство пользователя | Manualshive

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General Functionality

SiBE28-804

46

Functional Description

1.11 Pump Down Operation

Outline

Whenever the units need to be moved or removed, perform a pump-down operation before
disconnecting the field piping. By performing a pump-down operation, all of the refrigerant will
be collected in the outdoor unit.

Procedure

Cautions

Pressing the pump down switch (BS1) on the outdoor PCB may cause the outdoor and
indoor fan to start operating automatically.

Be sure to open the stop valves after the pipe work has been finished. Be sure not to operate
the unit with closed stop valves, or the compressor may brake down.

Procedure

Precautions

1

Start "Fan only operation" from the remote
controller.

Confirm that both the liquid and gas stop
valves are open.

2

Push the pump-down button BS1 on the
outdoor PCB.

Compressor and outdoor fan will start
automatically.

3

Once the operation stops (after 3~5
minutes) close the liquid stop valve first and
then the gas stop valve.

After the "Pump Down Operation" has been
finished the wired remote controller screen
may be blank or show "U4" error
indication.It will not be able to start the unit
from the remote controller without switching
OFF the power supply first.

Make sure the stop valves are opened
before restarting the unit.

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Содержание FHQ100BUV1B x 2

Страница 1: ...SiBE28 804 SkyAir RZQ71C7V1B RZQ100 140C7V1B RZQS71 100C7V1B RZQS125 140C7V1B R 410A Heat Pump 50Hz ...

Страница 2: ...ote Controller 20 1 1 Features 20 1 2 Installation 22 2 Wireless Remote Controller 24 2 1 Features 24 3 Method of Operating Remote Controller 26 3 1 The INSPECTION TEST Button 26 3 2 Maintenance Mode Setting 27 3 3 Operation of the Remote Controller s Inspection Test Operation Button 29 3 4 Remote Controller Service Mode 30 Part 4 Functional Description 31 1 General Functionality 33 1 1 Functions ...

Страница 3: ...emperature Control 70 4 7 Suction Pipe Superheat Protection Control Heating Mode 71 4 8 Inverter Current Protection Control 72 4 9 Protection Control by Overall Current 73 4 10 Inverter Cooling Fin Temperature Control 74 4 11 Pressure Difference Control 75 4 12 Oil Recovery Operation 77 5 Expansion Valve Regulating Functions 78 5 1 Expansion Valve Control at Startup 78 5 2 General Expansion Valve ...

Страница 4: ...es White Mist 137 2 9 Equipment Produces Loud Noise or Shakes 138 2 10 Equipment Discharges Dust 140 2 11 Remote Controller LCD Displays 88 141 2 12 Swing Flap does not Operate 142 3 Procedure of Self Diagnosis by Remote Controller 144 3 1 The Inspection Test Button 144 3 2 Fault diagnosis by Wired Remote Controller 145 3 3 Fault diagnosis by Wireless Remote Controller 146 3 4 Remote Controller Di...

Страница 5: ... 5 32 L9 Stall Prevention Time Lag 205 5 33 LC Malfunction of Transmission System between Control and Inverter PC Board 207 5 34 P1 Open Phase or Power Supply Voltage Imbalance 209 5 35 P4 Malfunction of Radiator Fin Temperature Thermistor 210 5 36 PJ Failure of Capacity Setting 211 5 37 U0 Gas Shortage Malfunction 212 5 38 U2 Abnormal Power Supply Voltage 214 5 39 U4 UF Malfunction of Transmissio...

Страница 6: ... Assy 1 271 1 5 Removal of PC Board Assy 2 272 1 6 Removal of PC Board Assy 3 273 1 7 Removal of Low Pressure Sensor Electronic Expansion Valve and Others 274 1 8 Removal of Thermistor 275 1 9 Removal of Four Way Valve 276 1 10 Removal of Compressor 277 2 RZQ100 140C7 RZQS125 140C7V1B 278 2 1 Removal of Outside Panels 278 2 2 Removal of Propeller Fan and Fan Motor 279 2 3 Removal of Switch Box 280...

Страница 7: ... plug socket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas discharges during the repair work do not touch the dischargi...

Страница 8: ...the applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relocating the equipment make sure that the new installation site has sufficient strength to withstand the weight of the equipment If the installation site does not have sufficient streng...

Страница 9: ...vice valve to prevent the refrigerant gas from leaking into the room The refrigerant gas itself is harmless but it can generate toxic gases when it contacts flames such as fan and other heaters stoves and ranges When replacing the coin battery in the remote controller be sure to disposed of the old battery to prevent children from swallowing it If a child swallows the coin battery see a doctor imm...

Страница 10: ...al shock Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 Mohm or higher Faulty insulation can cause an electrical shock Be sure to check the drainage of the indoor unit after the repair Faulty drainage can cause the water to enter the room and wet the furniture and floor Icon Type of Information Description Note Note A note provides information ...

Страница 11: ... C series Heat Pump System Daikin offers a wide range of models to respond to building and office air conditioning needs We are confident that customers will be able to find the models that best suit their needs This service manual contains information regarding the servicing of RZQ S C series R 410A Heat Pump System May 2008 After Sales Service Division ...

Страница 12: ...r Unit FCQH 71C7 100C7 125C7 140C7 FCQ 35C7 50C7 60C7 71C7 100C7 125C7 140C7 FFQ 35B 50B 60B FBQ 35B 50B 60B 71B 100B 125B FHQ 35BU 50BU 60BU 71BU 100BU 125BU FUQ 71BU 100BU 125BU FAQ 71BU 100BU FDQ 125B7 FVQ 71B 100B 125B Outdoor Unit RZQ C 71C7 100C7 125C7 140C7 RZQS C 71C7 100C7 125C7 140C7 ...

Страница 13: ...SiBE28 804 2 ...

Страница 14: ...SiBE28 804 General Information 3 Part 1 General Information 1 Combination 4 1 1 Combination Overview 4 1 2 Combination Matrix 5 2 External Appearance 6 3 Model Name and Power Supply 7 ...

Страница 15: ...BQ50B7V1 FBQ60B7V1 FBQ71B7V3B FBQ100B7V3B FBQ125B7V3B RZQ71C7V1B 2 P P 2 2 P RZQ100C7V1B 3 2 P P 3 2 3 2 P RZQ125C7V1B 4 3 2 P P 4 3 2 4 3 2 P RZQ140C7V1B 4 3 2 P 2 P 4 3 4 3 2 RZQS71C7V1B 2 P P 2 2 P RZQS100C7V1B 3 2 P P 3 2 3 2 P RZQS125C7V1B 4 3 2 P P 4 3 2 4 3 2 P RZQS140C7V1B 4 3 2 P 2 P 4 3 4 3 2 MODEL NAME FDQ125B7V3B FHQ35BUV1B FHQ50BUV1B FHQ60BUV1B FHQ71BUV1B FHQ100BUV1B FHQ125BUV1B FUQ71...

Страница 16: ...s as the main unit In note 1 are the indoor units mentioned in order of the possible function most functions are on FCQ less functions are on FAQ 4 Between brackets are the required Refnet kits mentioned that are necessary to install the combination Possible indoor combination Simultaneous operation Outdoor models Twin Triple Double Twin RZQ71C7V1B RZQS71C7V1B 35 35 KHRQ22M20TA7 RZQ100C7V1B RZQS10...

Страница 17: ... General Information 2 External Appearance Indoor Units Remote Controller Outdoor Units FCQ H FFQ FBQ FDQ FHQ FUQ FAQ FVQ Wireless Type BRC7 Type Wired Type BRC1D52 Type RZQ71C7V1B RZQS71 100C7V1B RZQ100 125 140C7V1B RZQS125 140C7V1B ...

Страница 18: ...0BV1B FBQ35B7V1 FBQ50B7V1 FBQ100B7V3B FHQ35BUV1B FHQ50BUV1B FHQ100BUV1B FUQ100BUV1B only RZQ100C7V1B FAQ100BUV1B FVQ100BV1B FCQ35C7V3B RZQ125C7V1B RZQS125C7V1B 1 phase 220 240V 50Hz 1 phase 220 240V 50Hz FCQ50C7V3B FCQ60C7V3B FCQ125C7V3B FCQH125C7V3B FFQ35BV1B FFQ50BV1B FFQ60BV1B FBQ35B7V1 FBQ50B7V1 FBQ60B7V1 FBQ125B7V3B FDQ125B7V3B FHQ35BUV1B FHQ50BUV1B FHQ60BUV1B FHQ125BUV1B FUQ125BUV1B FVQ125BV...

Страница 19: ...Model Name and Power Supply SiBE28 804 8 General Information ...

Страница 20: ...SiBE28 804 Specifications 9 Part 2 Specifications 1 Specifications 10 1 1 RZQ71C7 100C7 125C7 and 140C7 Single phase 10 1 2 RZQS71C7 100C7 125C7 and 140C7 Single phase 14 ...

Страница 21: ... nominal at 230 V heating 52 m min 75 m min 88 m min Fan motor quantity 1 2 Fan motor model KFD 325 70 8A Brushless DC Motor Motor speed nominal at 230 V Nr of steps 8 Motor speed nominal at 230 V cooling 800 rpm 800 rpm 850rpm 830 rpm Motor speed nominal at 230 V heating 745 rpm 640 rpm 740 rpm Motor output 70 W Motor Drive direct drive Compressor Quantity 1 Motor model 2YC63DXD JT100G VD Motor t...

Страница 22: ...3 Drain type Hole Drain diameter OD 26 0 mm Piping length min 5 m Piping length max 50 m 75 m Piping length equivalent 70 m 95 m Piping length chargeless 30 m Additional refrigerant charge See installation manual 4PW40417 1 See installation manual 4PW34874 1 Installation height difference max 30 0 m Max intern unit level difference 0 50 m Heat insulation Both liquid and gas pipes Defrost method Pr...

Страница 23: ...2 RZQ100C7V1B 25 4 25 4 32 23 4 23 4 0 07 0 07 0 3 0 3 0 055 2 0 7 2 FFQ35BV1B 3 RZQ100C7V1B 25 8 25 8 32 23 4 23 4 0 07 0 07 0 3 0 3 0 055 3 0 6 3 FBQ100B7V3B RZQ100C7V1B 25 0 25 0 32 23 4 23 4 0 07 0 07 0 3 0 3 0 135 1 0 FBQ50B7V1 2 RZQ100C7V1B 25 4 25 4 32 23 4 23 4 0 07 0 07 0 3 0 3 0 085 2 0 7 2 FBQ35B7V1 3 RZQ100C7V1B 25 5 25 5 32 23 4 23 4 0 07 0 07 0 3 0 3 0 065 3 0 5 3 FHQ100BUV1B RZQ100C...

Страница 24: ...V Min 50Hz198V 25 4 25 4 32 23 4 23 4 0 07 0 07 0 3 0 3 0 120 1 4 FCQ140C7V3B RZQ140C7V1B 25 0 25 0 32 23 4 23 4 0 07 0 07 0 3 0 3 0 120 1 0 FCQ71C7V3B 2 RZQ140C7V1B 25 0 25 0 32 23 4 23 4 0 07 0 07 0 3 0 3 0 056 2 0 5 2 FCQ50V7V3B 3 RZQ140C7V1B 24 9 24 9 32 23 4 23 4 0 07 0 07 0 3 0 3 0 056 3 0 3 3 FCQ35C7V3B 4 RZQ140C7V1B 25 2 25 2 32 23 4 23 4 0 07 0 07 0 3 0 3 0 056 4 0 3 4 FFQ50BV1B 3 RZQ140C...

Страница 25: ...ating 52 m min 63 5 m min 88 m min 88 m min Fan motor quantity 1 2 Fan motor model KFD 325 70 8A Brushless DC Motor Motor speed nominal at 230 V Nr of steps 8 Motor speed nominal at 230 V cooling 800 rpm 920 rpm 850 rpm 830 rpm Motor speed nominal at 230 V heating 745 rpm 950 rpm 740 rpm Motor output 70 W Motor Drive direct drive Compressor Quantity 1 Motor model 2YC63DXD JT100G VD Motor type Herm...

Страница 26: ...n type Hole Drain diameter OD 26 0 mm Piping length min 5 m Piping length max 30 m 50 m Piping length equivalent 40 m 70 m 95 m Piping length chargeless 30 m Additional refrigerant charge See installation manual 4PW40416 1 See installation manual 4PW34874 1 Installation height difference max 15 m 30 m Max intern unit level difference 0 50 m Heat insulation Both liquid and gas pipes Defrost method ...

Страница 27: ...7 17 7 0 07 0 3 0 056 2 0 3 3 FFQ50BV1B 2 RZQS100C7V1B 19 4 19 4 20 17 7 17 7 0 07 0 3 0 055 2 0 7 2 FFQ35BV1B 3 RZQS100C7V1B 19 8 19 8 20 17 7 17 7 0 07 0 3 0 055 3 0 6 3 FBQ100B7V3B RZQS100C7V1B 19 0 19 0 20 17 7 17 7 0 07 0 3 0 135 1 0 FBQ50B7V1 2 RZQS100C7V1B 19 4 19 4 20 17 7 17 7 0 07 0 3 0 085 2 0 7 2 FBQ35B7V1 3 RZQS100C7V1B 19 5 19 5 20 17 7 17 7 0 07 0 3 0 065 3 0 5 3 FHQ100BUV1B RZQS100...

Страница 28: ...B 50 220 50 230 50 240 Max 50Hz264V Min 50Hz198V 25 4 25 4 32 23 4 23 4 0 07 0 07 0 3 0 3 0 120 1 4 FCQ140C7V3B RZQS140C7V1B 25 0 25 0 32 23 4 23 4 0 07 0 07 0 3 0 3 0 120 1 0 FCQ71C7V3B 2 RZQS140C7V1B 25 0 25 0 32 23 4 23 4 0 07 0 07 0 3 0 3 0 056 2 0 5 2 FCQ50C7V3B 3 RZQS140C7V1B 24 9 24 9 32 23 4 23 4 0 07 0 07 0 3 0 3 0 056 3 0 3 3 FCQ35C7V3B 4 RZQS140C7V1B 25 2 25 2 32 23 4 23 4 0 07 0 07 0 3...

Страница 29: ...Specifications SiBE28 804 18 Specifications ...

Страница 30: ...es 20 1 2 Installation 22 2 Wireless Remote Controller 24 2 1 Features 24 3 Method of Operating Remote Controller 26 3 1 The INSPECTION TEST Button 26 3 2 Maintenance Mode Setting 27 3 3 Operation of the Remote Controller s Inspection Test Operation Button 29 3 4 Remote Controller Service Mode 30 ...

Страница 31: ...it option is operational 7 LEAVE HOME ICON The leave home icon shows the status of the leave home function 8 EXTERNAL CONTROL ICON This icon indicates that another controller with higher priority is controlling or disabling your installation 9 CHANGE OVER UNDER CENTRALISED CONTROL ICON This icon indicates that the change over of the installation is under centralised control assigned to another ind...

Страница 32: ...VENTILATION MODE BUTTON The ventilation mode button operates the HRV refer to the manual for more details 27 VENTILATION AMOUNT BUTTON This button sets the ventilation amount refer to the manual for more details 28 INSPECTION TEST OPERATION BUTTON Not used for service purposes only 29 PROGRAMMING BUTTON This button is a multi purpose button Depending on the previous manipulations of the user the p...

Страница 33: ...Wired Remote Controller SiBE28 804 22 Remote Controller 1 2 Installation ...

Страница 34: ...SiBE28 804 Wired Remote Controller Remote Controller 23 ...

Страница 35: ...te Controller H P BRC7F532F BRC7E530W BRC7E63W BRC7E618 BRC7C510W 1 1 1 2 8 10 13 11 12 15 14 16 17 9 1 3 4 6 2 5 7 DOWN FAN UP ON OFF M H L C hr hr TEST MODE TIMER RESERVE CANCEL DOWN UP TEST SWING FAN TIME TEMP ON OFF M H L C hr hr TEST FCQ C FFQ B 3P107422 1F FHQ BU 3PA63363 21T FAQ71B 3PA63363 25Z FAQ100B 3PA63363 8L 21 20 22 23 19 18 19 21 20 22 23 18 21 20 19 18 23 22 18 20 21 19 22 23 19 23...

Страница 36: ...11 PROGRAMMING TIMER BUTTON Use this button for programming START and or STOP time Operates with the front cover of the remote con troller opened 12 TIMER MODE START STOP BUTTON 13 TIMER RESERVE CANCEL BUTTON 14 AIR FLOW DIRECTION ADJUST BUTTON 15 OPERATION MODE SELECTOR BUTTON Press this button to select OPERATION MODE 16 FILTER SIGN RESET BUTTON Refer to the section of MAINTENANCE in the operati...

Страница 37: ...ration button for more than 4 seconds Press Inspection Test Operation button once Press Inspection Test Operation button once Or after 30 minutes After 10 seconds Press Inspection Test Operation button once Press Inspection Test Operation button once Indoor unit settings can be made Filter sign time Air flow direction Others Following codes can be checked Malfunction codes Indoor model code Outdoo...

Страница 38: ...unit No set with the TIME MODE START STOP button 5 Select the necessary settings for each mode Modes 40 or 41 6 Select the desired malfunction hysteresis of sensor data display with or button In case of wireless remote controller use or button Each data displays Refer below display 7 Return to the normal operation mode Press the inspection test operation button one time Table 5 4 3 1 2 7 Mode No F...

Страница 39: ... Press TIMER ON OFF BUTTON to decide the forced Fan ON In case of Mode 44 Set Fan speed with FAN SPEED CONTROL BUTTON and Air flow direction with AIR FLOW DIRECTION ADJUSTING BUTTON then press TIMER ON OFF BUTTON to decide In case of Mode 45 Select the changed unit No with or button then press TIMER ON OFF BUTTON to decide 6 Return to the normal operation mode Tap the inspection test operation but...

Страница 40: ... test operation Push the button Inspection test operation Push the button Inspection test operation Push the button Inspection test operation Push the button 0 L 0 Indoor unit model code display 0 7 1 F J J Outdoor unit model code display A A 1 Test operation Test operation mode Capacity code Indoor unit system code Indoor unit type code Progression code 0 7 1 F J J V2775 Display F System classifi...

Страница 41: ...de How to Enter the Service Mode The operation of the Inspection Test Operation button on the remote controller allows the unit to enter the Test Operation mode When the Start Stop button is pushed after the Test Operation mode is set test operation starts Test Operation appears on the remote controller ...

Страница 42: ...rol 55 2 4 Draft Avoidance Control 1 56 2 5 Draft Avoidance Control 2 57 2 6 Fan and Flap Operation 58 2 7 Indoor Unit Fan Control 59 3 Outdoor Unit Functional Concept 61 3 1 Function Outline in Cooling Mode 61 3 2 Function Outline in Heating Mode 62 4 Frequency Regulating Functions 63 4 1 Starting Frequency Control 63 4 2 Starting Control 64 4 3 General Frequency Control 65 4 4 Low Pressure Prote...

Страница 43: ...SiBE28 804 32 Functional Description 6 Outdoor Unit Fan Speed Control 81 6 1 Outdoor Unit Fan Speed Control 81 ...

Страница 44: ...ality 1 1 Functions of Thermistors Locating the thermistors RZQ71C7 RZQS71 100C7V1B Single phase RZQ100 140C7 RZQS125 140C7V1B Single phase Note Sensor R3T on indoor coil of FCQ35 60 FFQ35 60 FBQ35 60 FHQ35 60 is not used when the indoor units are connected to RZQ outdoor units ...

Страница 45: ...ent protection control Defrost control 4 Outdoor ambient R1T Cooling Outdoor fan speed control PMV control Pressure difference control Overall current protection control Preheating operation control RZQ71 Heating Defrost control PMV control Forced thermostat OFF Overall current protection control Preheating operation control RZQ71 5 Discharge pipe R3T Cooling Discharge superheat control Expansion ...

Страница 46: ... while the power is OFF Emergency operation Below table explains what will happen when the switch is set to emergency How to set Emergency Operation To set emergency operation proceed as follows If Then R C is defective Indoor PC board is defective Outdoor PC board is defective Forced operating mode can be used to go to cooling or heating In forced operating mode the compressor is forced to operat...

Страница 47: ...es once every hour Emergency operation can not be carried out when the PC board itself is defective Be sure to set the emergency switch on both the outdoor and indoor unit The unit will not regulate the temperature during emergency operation Change the position of the emergency switch only when the power is turned off 4 Set the emergency switch on the outdoor PCB to the forced mode you prefer Cool...

Страница 48: ...ode has to be set in function of the type of connected outdoor unit C O or H P Operating modes The possible operating modes are Used input The outdoor unit identification function uses the following inputs TC Transmission circuit RC Receiving circuit Outdoor unit Operating modes H P Fan Cooling Dry keep Heating C O Fan Cooling Dry keep Input Connection on indoor PCB Connection on outdoor PCB Indoo...

Страница 49: ... performed in two different ways as shown below even while the malfunction is detected A Operation continues while the malfunction code is displayed on the remote controller Applicable thermistors Outside air temperature thermistor Heat exchanger distribution pipe thermistor in cooling operation only Intermediate heat exchanger thermistor in heating operation only Liquid pipe thermistor Indoor suc...

Страница 50: ...100C7 RZQ100 140C7 RZQS125 140C7 OFF OFF ON ON 300 480 0 Moves to Stop or Starting control after completion of Restart standby Restart standby complete Thermostat OFF Compressor Electronic expansion valve Operation complete Cooling Heating Outdoor unit fan Residual operation For 3 min 60 sec 60 sec 30 sec 30 sec OFF OFF ON ON 110 130 166 87 0 Moves to Stop or Starting control after completion of R...

Страница 51: ... control s ON OFF switch is still ON the automatic restart function automatically starts the indoor fan immediately and the outdoor unit fan starts automatically 3 minutes after the power supply is turned back ON Do not start stop the unit by disconnecting the power supply Stop the unit by stop commando from the remote controller or optional controller before disconnecting the power supply Be sure...

Страница 52: ...hen the thermostat sensor is off Body thermostat sensor is used for temperatures from 18 C to 23 C A C Remote controller thermostat sensor is used for temperatures from 23 C to 27 C C E Body thermostat sensor is used for temperatures from 27 C to 30 C E F And assuming suction temperature has changed from 30 C to 18 C F A Body thermostat sensor is used for temperatures from 30 C to 25 C F D Remote ...

Страница 53: ...om 28 C to 23 C D B Body thermostat sensor is used for temperatures from 23 C to 18 C B A When heating the hot air rises to the top of the room resulting in the temperature being lower near the floor where the occupants are When controlling by body thermostat sensor only the unit may therefore be turned off by the thermostat before the lower part of the room reaches the preset temperature The temp...

Страница 54: ...high outdoor temperature RZQ71 140C7 RZQS71 140C7 When the outside temperature is 32 CDB in heating mode the unit will conduct a forced thermostat off operation to protect the system Freeze Prevention Function Refer to P49 Freeze prevention control 3ºC 1ºC 7ºC Cumulative timer cleared after a continuous 20 minutes 4ºC Indoor unit heat exchanger temperature Te The thermostat turns OFF after a conti...

Страница 55: ...lve is closed or the air flow outlet is obstructed Check the inter unit branch wiring connection 1 2 3 wiring when the error code U4 or UF is displayed on the remote controller When the error code U2 is displayed on the remote controller check for voltage imbalance When the error code L4 is displayed on the remote controller there is possibility that the air flow passage is closed When there is no...

Страница 56: ... during operation because a certain pressure difference is required to move the internal cylinder Method The table below describes the 4 way valve control operation Time chart The time chart below illustrates the 4 way valve control When Then the 4 way valve connects the outlet of the compressor with Cooling Outdoor heat exchanger Heating Indoor heat exchanger In The 4 way valve is Heating except ...

Страница 57: ...e not to operate the unit with closed stop valves or the compressor may brake down Procedure Precautions 1 Start Fan only operation from the remote controller Confirm that both the liquid and gas stop valves are open 2 Push the pump down button BS1 on the outdoor PCB Compressor and outdoor fan will start automatically 3 Once the operation stops after 3 5 minutes close the liquid stop valve first a...

Страница 58: ...hanger area temperature Tb is within the defrost requesting area 20 15 10 5 0 3 5 6 10 7 15 20 23 17 10 7 4 7 5 5 8 13 16 19 21 12 9 6 24 27 28 14 11 8 8 2 25 30 15 5 2 1 4 1 11 10 Outdoor unit heat exchanger temperature Tb C Defrost permit area Defrost request area When slightly quick defrost starting is set Permit Outdoor temperature Ta C Factory setting Permit When slightly quick defrost starti...

Страница 59: ...utes at longest RZQ71 140C7 RZQS71 140C7V1B A pls RZQ71C7 RZQS71 100C7 480 pls RZQ100 140C7 RZQ125 140C7 250 pls OFF 155Hz ON ON OFF ON ON OFF ON ON 0Hz Defrosting start Defrosting complete Compressor 4 way value Electronic expansion valve Outdoor unit fan Indoor unit fan 150 pls A pls previous control wet protection control 0 pls 5 60 sec 0 pls 5 sec Defrost Time 10 sec Hp 2 45 MPa Defrost Time 1...

Страница 60: ...setting Freeze Prevention stop conditions Freeze prevention stop decided by the indoor unit factory setting Indoor coil temperature 7 C for 10 minutes continuous Parameters Reference Please refer to Outdoor Field Settings in Part 5 Test Operation for details on possible use of EDP room settings in case of low latent heat applications Refer to P99 Indoor coil temperature 1 C for 40 minutes accumula...

Страница 61: ...fer to ISO 7730 for details Function An optimized indoor temperature will be calculated using the following inputs Outdoor air temperature Indoor air temperature Remote controller set temperature In practice the set point will be moved with 1 or 2 degrees whenever the conditions change This will result in a combination of power saving and increased comfort level PMV control can be disabled by chan...

Страница 62: ...ger conditions Starting conditions Compressor stopping or Less than 6 hours duration after turning on the power Longer than 1 hour elasped after shutting down the compressor Outside temperature is not declining Discharge pipe temperature 70 C Ending conditions Operation of thermostat is established or Longer than 6 hours elasped after turning on the power Less than 1 hour duration after shutting d...

Страница 63: ...e Heater Control RZQ100 140C7 RZQS125 140C7V1B Outline After the compressor has been turned off the crankcase heater control will be activated in order to avoid refrigerant from dissolving in the compressor oil Trigger conditions ON OFF Discharge pipe temperature 70 C 75 C ...

Страница 64: ...nit suction air thermistor b When set to remote controller thermistor Indoor air thermistor in the remote controller 2 Explanation of each symbol T Detected room temperature Temperature set by remote controller Tro Room temperature detected when dry operation is started Tr Room temperature detected by thermistor Thermostat OFF Normal operation Thermostat ON T 2ºC T 0 5ºC OR T 0 5ºC continues for 1...

Страница 65: ... Heating Operation When the following condition consists by mounting the adaptor for wiring PC board and the humidifier the drain pump is turned on Humidifier interlock not equipped Humidifier interlock equipped Drain pump ON Drain pump OFF Cooling or Dry Operation Thermostat ON Excluding the below mentioned 1 5 min 5 sec Humidifier Drain pump Float switch ON OFF ON OFF ON OFF A3 indication 20 3 2...

Страница 66: ...dition Dew condensation prevention control Dry operation with horizontal air flow is carried out for one hour 1 Note 1 When there is any change to heating fan modes airflow direction and operation ON OFF state during dew condensation prevention control this control is reset 2 1 For FAQ71 the air flow is 44 degrees downward from the horizontal direction Horizontal blade is set to downward flow Cool...

Страница 67: ...uses the following inputs When the flap starts to move there can be a draft The fan speed decreases to LL speed but it takes some time because of its inertia Fan Flap Thermostat Setting LL Setting Po0 ON OFF Flap motor starts to drive the flap 20 s Flap moves from setting position to Po0 Po0 When the flap starts to move there can be a draft The fan speed decreases to LL speed but it takes some tim...

Страница 68: ...ance control 2 is activated when Hot start is finished or Cold air prevention control is finished Time chart If the fan speed is set to H the fan turns at low speed for a certain amount of time Used input Draft avoidance control 2 uses the following inputs Fan Flap Hot start finished Setting OFF LL L H Po0 T T 24 s FCQ T 5s Input Connection on indoor PCB Connection on outdoor PCB Limit switch for ...

Страница 69: ...p Error Swing operation OFF Horizontal Downward Forward Airflow direction setting Set position Downward Set position Freeze prevention Swing operation L Swing Swing Swing Swing Airflow direction setting Set position Set position Set position Set position Function In Fan Flap FCQ H and FHQ Flap FAQ Flap FVQ Remote control indication Hot start after defrost Swing operation OFF Horizontal Horizontal ...

Страница 70: ...ng compressor stop Indoor fan control before compressor startup Indoor fan control at compressor startup During compressor stop Before compressor startup Indoor fan tap Indoor cooling Automatic cooling Thermostat OFF Remote controller setting Remote controller OFF OFF Indoor heating Automatic heating Thermostat OFF LL Remote controller OFF OFF Indoor drying Thermostat OFF OFF Remote controller OFF...

Страница 71: ...t fan M tap Continuing L tap on indoor unit without M tap equipped Indoor unit fan Set fan speed Condition A Indoor unit h e temp 34 C B Indoor unit h e temp indoor suction air temp 17 C 12 C if outside temperature is 5 C C Indoor unit h e temp indoor suction air temp 22 C 20 C if outside temperature is 5 C 1 minute elapsed with LL tap OR Condition A is met Condition B is met 3 minutes elapsed aft...

Страница 72: ...essor step control Motorized valve PI control PMV control Low pressure protection control High pressure protection control Discharge pipe temperature protection control Inverter current protection control Inverter fin temperature protection control Overall current protection control Low outdoor temperature cooling control Simulated operation Normal control Oil recovery operation starting judgement...

Страница 73: ...ontrol Low pressure protection control High pressure protection control Heating overload control Discharge pipe temperature protection control Inverter current protection control Inverter fin temperature protection control Overall current protection control Suction pipe superheat degree protection control Simulated operation Normal control Defrosting condition Defrost operation Defrost ending judg...

Страница 74: ...s 2 3 minutes The maximum starting frequency control time is limited to 10 minutes During compressor start up a pressure difference will be build up in order to have sufficient pressure difference for the 4 way valve to change over Graph Ending condition The starting control will be terminated when the low pressure value 6 bar or when the maximum starting time of 10 minutes has been reached in cas...

Страница 75: ...00C7 118 5Hz RZQ100 140C7 RZQS125 140C7 112Hz Pressure equalizing start Pressure equalizing complete Starting control complete Pressure equalizing control before compressor start Starting control Compressor Electronic expansion valve Outdoor unit fan Indoor unit fan Thermostat OFF Remote controller OFF Cooling or Heating 25 C 65 pls L Cooling Heating 10 120 sec OFF Cooling Ta 40 C Heating Ta 26 C ...

Страница 76: ... interval may be decreased so a quicker change is possible Note When other control functions are activated e g discharge pipe control they can change the compressor frequency using other inputs than the ones normally being used by the General frequency control function Cooling In cooling the target operation frequency will be determined by the indoor t and the evaporating temperature t cool Remote...

Страница 77: ...Compressor operation frequency RZQ71C7 RZQS71 100C7 RZQ100 140C7 RZQS125 140C7 1 48 Hz 32 Hz 2 52 5 Hz 36 Hz 3 57 Hz 41 Hz 4 61 5 Hz 44 Hz 5 66 Hz 48 Hz 6 72 Hz 52 Hz 7 78 Hz 57 Hz 8 85 5 Hz 62 Hz 9 93 Hz 67 Hz 10 100 5 Hz 72 Hz 11 109 5 Hz 78 Hz 12 118 5 Hz 84 Hz 13 127 5 Hz 90 Hz 14 136 5 Hz 94 Hz 15 145 5 Hz 98 Hz 16 154 5 Hz 102 Hz 17 163 5 Hz 107 Hz 18 174 Hz 112 Hz 19 183 Hz 117 Hz 20 192 Hz...

Страница 78: ...ressor upper limit frequency 20 steps Compressor upper limit frequency 10 steps Compressor upper limit frequency 57 Hz Compressor stop 0 Hz Malfunction stop E4 indication Lp 0 15MPa 30 sec elapsed 10 times or less stopping in 200 minutes Lp 0 12MPa 5 minutes elapsed Lp 0 12MPa 10 seconds elapsed Lp 0 15MPa 10 seconds elapsed Condition E Condition E Stopped 11 times in 200 minutes Within 5 minutes ...

Страница 79: ...frequency 38 Hz Compressor upper limit frequency 38 Hz Compressor stop O Hz Malfunction stop E4 indication Within 5 minutes after starting Within 10 minutes after defrosting OR Lp 0 15 MPa Lp 0 59 Mpa 30 sec elapsed 10 times or less stopping in 200 minutes Lp 0 05 MPa Lp 0 1 MPa continues for 5 minutes 10 times or less stopping in 200 minutes Lp 0 1 MPa Lp 0 15 MPa Condition E Condition E Lp 0 25 ...

Страница 80: ...r operation frequency B Hz Compressor stop Malfunction stop E3 indication Malfunction stop E3 indication Compressor stop Compressor operation frequency A Hz Compressor operation frequency 1 step 10 sec Compressor operation frequency 1 step 1 min Compressor operation frequency 1 step 5 min Hp D bar Hp C bar OR OR Hp H bar Hp I bar HPS activates HPS activates Stopped 16 times in 300 minutes Hp F bar...

Страница 81: ...1 step 20 sec Compressor upper limit frequency 1 step 1 min Compressor upper limit frequency H Hz Compressor stop Malfunction stop F3 indication 10 times or less stopping in 200 minutes Td B C Upper limit frequency Maximum frequency Td B C Td B C 5 min elapsed Td A C Td C C continues for 5 minutes 300 sec Td E C continues for G minutes Td F C Stopped 11 times in 200 minutes Td D C OR Td A C RZQ71C...

Страница 82: ...tdoor unit heat exchanger the upper limit frequency will be decreased Flow chart Normal operation Lowering upper limit frequency for 1 step every 20 seconds Raising upper limit frequency for 1 step every 20 seconds Suction SH 12 C Suction SH 10 C EV opening degree 480pls Suction SH 12 C Suction SH 10 C EV opening degree 480pls Suction SH 10 C EV opening degree 450pls Suction SH 8 C Suction SH 6 C ...

Страница 83: ...equency Maximum frequency Compressor frequency 1 step 6 sec Fin temperature B C lasts for 2 minutes Inverter fin temperature A C RZQ71C7 RZQS71 100C7V1B RZQ100 140C7 RZQS125 140C7V1B PA 16 5 A 20 A QA 16 5 A 20 A Normal operation Compressor frequency 1 step 6 sec Compressor frequency 1 step 2 min Inverter current Stepping down current Inverter upper limit frequency Maximum frequency The condition ...

Страница 84: ...100 140C7 RZQS125 140C7V1B A 16 5 A 18 0 A 24 0 A B 16 5 A 18 0 A 24 0 A C 13 4 A 19 0 A 23 0 A D 10 0 A 13 3 A 16 0 A E 10 sec 10 sec 10 sec Normal operation Outdoor unit current upper limit current value Upper limit compressor operating frequency Maximum frequency Outdoor unit current upper limit current value Outdoor unit current upper limit current value Upper limit compressor operating freque...

Страница 85: ...ror activation By lowering the compressor frequency the current drawn by the compressor will be reduced and as a result the temperature inside the switch box will drop Flow chart Parameters Fin Temperature B C lasts for 2 minutes Normal operation Compressor frequency 1 step 2 min Compressor frequency 1 step 6 sec Inverter fin temperature A C Inverter upper limit frequency Maximum frequency RZQ71C7...

Страница 86: ...71 140C7V1B Normal control Upper limit step 8 Upper limit step 8 Upper limit step 7 Upper limit step 6 Upper limit step 5 Upper limit step4 Upper limit step 3 Upper limit step 2 Upper limit step 1 Upper limit step 0 Outdoor fan OFF Condition B Condition B Condition B Condition B Condition B Condition B Condition B HP 29 bar P 11bar Compression ratio 2 4 Condition B 90 seconds have passed HP 23bar ...

Страница 87: ...er limit frequency Lower limit frequency 71 232 5Hz 57Hz 100 265 5Hz 57Hz Upper limit frequency Lower limit frequency 71 93Hz 93Hz 72Hz 100 93Hz 78Hz Ta 21 C Ta 7 C Ta 20 C Ta 8 C Normal control Used indoor unit Wall mounted indoor Other than wall mounted indoor Upper limit frequency Lower limit frequency 100 134Hz 177Hz 32Hz 125 140 139Hz Upper limit frequency Lower limit frequency 100 134Hz 52Hz...

Страница 88: ...case avoid compressor lock an oil recovery operation will be conducted Details During the oil recovery operation the operation frequency of the compressor will be increased for a time period of 5 minutes Oil recovery operation is only executed in cooling mode In heating mode oil return to the compressor is guaranteed by the defrost operation Normal operation Outdoor unit fan 1 step 30 sec Outdoor ...

Страница 89: ...be stable Graph RZQ71 140C7 RZQS71 140C7V1B Expansion valve opening during pressure equalization On RZQ71 RZQS71 100 units using double swing compressor the expansion valve will be fully opened to 480 pulses for pressure equalisation before compressor start up Just before compressor start up the expansion valve opening will be set to 65 pulses same as for the RZQ100 140 class Ending condition The ...

Страница 90: ...nt When the target heat exchanger outlet superheat actual heat exchanger outlet superheat the expansion valve will close When the target heat exchanger outlet superheat actual heat exchanger outlet superheat the expansion valve will open The superheat amount is checked every 10 seconds 2 Frequency change At the time of compressor frequency change the expansion valve opening will be changed with a ...

Страница 91: ...rating frequency control Details RZQ71 140C7 RZQS71 140C7V1B Td 95 C Td 90 C Td 80 C Td 100 C Electronic expansion valve opening degree lower limit 5 pulses Cooling for 2 minutes heating for 1 minute Electronic expansion valve opening degree lower limit 5 pulses Cooling for 2 minutes heating for 1 minute Electronic expansion valve opening degree lower limit 10 pulses Cooling for 2 minutes heating ...

Страница 92: ...on P75 Refer to Defrost Operation on P47 Cooling Heating Step RZQ71 RZQS71 RZQS100 RZQ71 RZQS71 RZQS100 0 0 rpm 0 rpm 0 rpm 0 rpm 1 200 rpm 200 rpm 200 rpm 200 rpm 2 250 rpm 250 rpm 250 rpm 250 rpm 3 300 rpm 300 rpm 300 rpm 300 rpm 4 360 rpm 360 rpm 360 rpm 360 rpm 5 430 rpm 430 rpm 430 rpm 430 rpm 6 515 rpm 515 rpm 515 rpm 515 rpm 7 620 rpm 620 rpm 620 rpm 620 rpm 8 830 rpm 920 rpm 745 rpm 950 rp...

Страница 93: ...Outdoor Unit Fan Speed Control SiBE28 804 82 Functional Description ...

Страница 94: ...view of the Factory Settings on the Indoor Units 93 2 5 MAIN SUB Setting when Using Two Remote Controllers 94 2 6 Setting the Centralized Group No 95 2 7 The Field Setting Levels 96 2 8 Overview of the Field Settings on the Outdoor Units 99 2 9 Overview of the Factory Settings on the Outdoor Units 99 2 10 Existence of DIP Switch and BS Button 100 2 11 Quiet Low Noise Operation 106 2 12 I Demand Fu...

Страница 95: ...oints Cautions or warnings Are all units securely installed Dangerous for turning over during storm Possible damage to pipe connections Is the earth wire installed according to the applicable local standard Dangerous if electric leakage occurs Are all air inlets and outlets of the indoor and outdoor units unobstructed Poor cooling Poor heating Does the drain flow out smoothly Water leakage Is pipi...

Страница 96: ... below You can find the wireless address switch attached on the PCB of the receiver and it is visible through the small opening on the back of the receiver 4 If you use a wired and a wireless remote controller for one indoor unit proceed as follows 1 Set the wired remote controller to MAIN On the remote controller 2 Set the wireless remote controller to SUB On the receiver with the MAIN SUB switch...

Страница 97: ...this setting proceed as follows Step Action 1 Hold down the FILTER RESET button and the TEST button for at least 4 s to go to field set mode The display indicates the field set mode 2 Press the FAN button to select a multiple setting A b see Multiple settings A b further in this section Each time you press the button the display switches between A and b FILTER RESET TEST FAN ...

Страница 98: ...ration 87 3 Press the UP and DOWN buttons to set the address Set the same address as the receiver 1 2 or 3 The receiver does not work with addresses 4 5 and 6 4 Press the RESERVE button to confirm the setting Step Action UP DOWN RESERVE ...

Страница 99: ...de and return to the normal display Step Action UP FAN RESERVE CANCEL TIMER DOWN TEMP TIME ON OFF MODE SWING TEST C TEST Remote controller Indoor unit Setting Remote controller display Control of other air conditioners and units No other control A Standard All items are displayed Commands other than ON OFF and temperature setting accepted 1 long beep or 3 short beeps emitted b Multi System Only on...

Страница 100: ...ble 3 Operation mode icon 22 Fan speed icon 4 Ventilation mode icon 23 Defrost hotstart mode icon 5 Ventilation icon 24 Air filter cleaning time icon 6 Air cleaning icon 25 Element cleaning time icon 7 Leave home icon 26 Ventilation mode button 8 External control icon 27 Ventilation amount button 9 Change over under centralised control icon 28 Inspection test operation button 10 Day of the week in...

Страница 101: ... set at the same time Use the codes 10 to 15 to apply this group control and proceed to the next step If you want to set the indoor units of one group individually or if you want to read out the last settings use the codes 20 to 25 which are displayed in brackets Press the TIMER SELECTION button to select the Indoor unit No for which you want to adjust the field settings 4 Press the upper part of ...

Страница 102: ...eld settings you have to change Mode No First code No Second code No To change the field settings proceed as follows RESERVE button INSPECTION TEST button Mode No Field setting mode UP button DOWN button First code No Second code No MODE button Step Action 1 Hold down the INSPECTION TEST button for at least 4 s during normal mode to enter the Field setting mode 2 Press the MODE button to select th...

Страница 103: ... ON Option Operation Malfunction 1 EKRORO Forced OFF ON OFF operation 3 Fan speed heating thermostat OFF LL speed Set speed 5 Automatic restart Disabled Enabled 13 23 0 Ceiling height setting Normal High Extra high 2 7 m 2 7 3 0 m 3 0 3 5 m 1 Selection of air flow direction setting for when a blocking pad kit has been inst alled 4 way flow 3 way flow 2 way flow 3 Horizontal discharge grill Enabled...

Страница 104: ...irst code No Second code No FCQ H FFQ FBQ FAQ FDQ FUQ FHQ FVQ 10 20 0 01 01 01 01 01 01 01 01 1 01 01 01 02 01 01 2 02 02 02 02 02 02 02 02 3 01 01 01 01 01 01 01 01 11 21 0 01 01 01 01 01 01 01 01 1 01 01 01 01 01 01 01 01 2 01 01 01 01 01 01 01 01 7 01 12 22 0 01 01 01 01 01 01 01 01 3 01 01 01 01 13 23 0 01 01 01 01 1 01 01 3 01 4 02 02 02 5 01 01 01 01 01 6 01 14 24 0 01 01 01 01 01 01 01 ...

Страница 105: ...te controllers are factory set to MAIN so you only have to change one remote controller from MAIN to SUB To change a remote controller from MAIN to SUB proceed as follows Step Action 1 Insert a flathead screwdriver into the recess between the upper and lower part of the remote controller as shown in the illustration below Gently pry off the upper part of the controller working from the two possibl...

Страница 106: ...st Code N Second Code N Mode N Field set mode Step Action 1 Switch ON the power supply of the central remote controller the unified ON OFF controller and the indoor unit s 2 Hold down the INSPECTION TEST button for at least 4 s during normal mode to enter the Field setting mode 3 Press the TEMPERATURE CONTROL button until Mode No 00 appears 4 Press the INSPECTION TEST button to inspect the group N...

Страница 107: ...l of the three field setting levels You can change the views in the inspection level by pressing the INSPECTION TEST button The flow chart below explains the different windows of the inspection level Normal display Last occurred malfunction Indoor model and size System Test Push INSPECTION TEST button Push INSPECTION TEST button Push INSPECTION TEST button Push INSPECTION TEST button Push INSPECTI...

Страница 108: ... 53J 140 140 FDQ 5JJ 200 200 FVQ 51 250 250 Step Action 1 Hold down the INSPECTION TEST button for at least 4 s to enter the field setting mode 2 Hold down the INSPECTION TEST button for at least 4 s to enter the maintenance mode 3 Press the TEMPERATURE CONTROL buttons as many times as needed to select the mode No you want 4 Press the TIMER SELECTION button as many times as needed to select the un...

Страница 109: ...ON Turns the fan ON for each unit individually 44 Individual setting Sets fan speed and air flow direction for each unit individually when using group control Settings are made using the air flow direction adjust and fan speed adjust buttons Confirmation by the confirmation button is required 45 Unit No change Changes unit No Set the unit No after changing with the programming time buttons Confirm...

Страница 110: ...eration Disabled Factory setting Automatic low noise activation Capacity preceding setting when using KRP58 option Automatic low noise capacity preceding Refer to P106 1 Automatic low noise start and stop time 22h00 06h00 22h00 08h00 Factory 20h00 08h00 Refer to P106 2 EDP room setting Disabled Factory setting EDP room setting EDP room setting no freeze up Refer to P110 3 Defrost starting setting ...

Страница 111: ...ring Setting mode 1 the lamp is OFF 1 During Monitor mode the lamp blinks 9 H2P TEST During test operation in Setting mode 1 the lamp is ON 8 During Monitor mode the lamp is OFF 1 H3P HWL When a malfunction occurs during Setting mode 1 the lamp turns ON 8 H4P L N O P During Setting mode 1 low noise level is displayed During Monitor mode various combinations of the lamp indicate the following condi...

Страница 112: ...ons above can be checked by performing the following steps Setting mode 1 Monitor mode H1P Push the BS1 MODE button one time Blinking MODE MODE Off H1P Setting mode 2 MODE On H1P Push and hold the BS1 MODE button for 5 seconds Push the BS1 MODE button one time Normal V2761 Using the MODE button the modes can be changed as follows During Setting mode 1 the lamp is always OFF Test operation display ...

Страница 113: ...g mode 2 8 1 1 1 1 1 1 Push the SET BS2 button three times to set the LED display as shown in the table on the right 8 1 1 1 1 8 8 Push the RETURN BS3 button once Present settings are displayed 8 1 1 1 1 9 1 Push the SET BS2 button to set the LED display as shown in the table on the right 30 of rated power consumption 8 1 1 1 9 1 1 40 of rated power consumption 8 1 1 1 1 9 1 50 of rated power cons...

Страница 114: ... for 5 seconds or more and set to Setting mode 2 8 1 1 1 1 1 1 Push the SET BS2 button 28 times to set the LED display as shown in the table on the right 1 8 1 8 8 8 1 1 Push the RETURN BS3 button once Present settings are displayed 8 1 1 1 1 1 9 Push the SET BS2 button once to set the LED display as shown in the table on the right 8 1 1 1 1 9 1 Push the RETURN BS3 button once to make a decision 8...

Страница 115: ...ore Contents of malfunction 2 cycle before Indicationofcausesofstepping downoperation 9 9 9 9 9 9 9 9 9 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 8 7 7 7 7 8 8 8 8 7 7 7 8 8 7 7 8 8 8 7 8 7 8 7 8 7 8 7 See Data display c See Data display d See Malfunction code display on the next page See Data display e Data display c LED display Display contents Display contents Display contents H1P H2P...

Страница 116: ...nger thermistor 9 9 8 7 7 9 9 9 9 9 8 8 7 7 7 7 J8 Abnormal liquid pipe thermistor 9 9 8 7 9 7 7 7 9 9 8 8 7 7 7 7 L1 PC board failure 9 9 7 8 7 9 9 9 9 9 8 7 7 7 7 9 9 9 8 8 7 7 7 7 L4 Elevated radiation fin temperature 9 9 8 7 7 9 7 7 9 9 8 8 7 7 7 7 L5 Compressor instantaneous overcurrent 9 9 8 7 7 9 7 9 9 9 8 8 7 7 7 7 L8 Compressor overload 9 9 8 7 9 7 7 7 9 9 8 8 7 7 7 7 L9 Compressor lock 9...

Страница 117: ...be conducted for 10 hours The maximum outdoor temperature is supposed to occur at 14 00h As the time judgement is made in accordance with the outdoor temperature the above mentioned timing is an estimation only Capacity precedence setting When setting mode 16 26 0 04 the low noise operation will be stopped when the heating or cooling load increases In that case the operation will return to normal ...

Страница 118: ...s with the automatic control priority for capacity can be set Prioirity for capacity will be activated by changing field setting 26 0 03 in combination with the closed contact on KRP58M Exceptions The Quiet low noise operation will be overruled in the following conditions Pump down residual operation Startup control Defrost operation Oil recovery Sound reduction Power supply connector on outdoor P...

Страница 119: ...t demand setting can be selected by using terminal X801M Demand 1 Close contact between COM and contact 1 Demand 2 Close contact between COM and contact 2 Demand 3 Close contact between COM and contact 3 Power supply connector on outdoor PCB X77A Output on X801M 12VDC 12mA Maximum wire length 100 meter Transmission connector on outdoor PCB X6A ON OFF DS1 1 2 3 4 X81A X80A X800M X801M X801M 1 LNOP ...

Страница 120: ...tion 109 Demand 1 Power consumption limitation in function of setting on DS1 Demand 2 Power consumption limitation set to 40 Demand 3 Forced thermostat OFF DS1 SETTING Maximum Power Consumption 1 2 OFF OFF 60 ON OFF 70 OFF ON 80 ON ON 100 ...

Страница 121: ...ons such as computerrooms EDP rooms technical rooms etc to increase the capacity of the unit Definition of Low Humidity Area Caution When using the LH settings outside the Low Humidity Area there is an increased risk of ice accumulation on the indoor coil or water blowing out from the indoor unit Relative Humidity Setting is only allowed in this area Indoor side temperature DB C ...

Страница 122: ...o avoid freeze up activation Te 1 C for 20 minutes accumulated Change target Te 5 C Te 1 C for 30 minutes accumulated Change target Te 8 C See graph 1 See graph 2 See graph 3 Freeze protection function Start Te 1 C for 40 minutes accumulated OR Te A C for 1 minute continuous Indoor decision Te 1 C for 40 minutes accumulated OR Te 3 C for 1 minute continuous Outdoor decision Te 1 C for 40 minutes a...

Страница 123: ...otect the comp Te target limitted Indoor temp 11 not to rising wetbulb Te see note target acceptable area Indoor temp setting Te target down Indoor temp setting Te target up Te target limitted 2 C not to freeze Te target limitted Indoor temp 25 not to sweat Freeze protection 40min integrated coil temp 1 C Indoor Temp C DB Te target acceptable area Te by LP sensor RZQ71 140C7V1B RZQS71 140C7V1B ...

Страница 124: ...3 Note Remote controller setting temp Te target limitted 20 C to protect the comp Te see note target acceptable area Indoor temp setting Te target down Indoor temp setting Te target up Te target limitted 0 C Freeze protection 40min integrated coil temp 1 C Te target acceptable area Te target C Indoor Temp C DB Te by LP sensor RZQ71 140C7V1B RZQS71 140C7V1B ...

Страница 125: ... thermostat control will be changed when using field settings 16 26 2 03 16 26 2 04 Thermostat ON Trs 0 5 C No change from standard setting Thermostat OFF Trs 2 0 C for 5 minutes continuously Trs 4 5 C Remote controller setting temp Te target limitted 20 C to protect the comp Te see note target acceptable area Indoor temp setting Te target down Indoor temp setting Te target up Te target limitted 2...

Страница 126: ...1 06 1 16 1 21 1 26 5 0 62 0 81 0 91 1 01 1 06 1 16 1 21 1 26 10 0 62 0 81 0 91 1 01 1 06 1 16 1 21 1 26 15 0 62 0 81 0 91 1 01 1 12 1 14 1 19 1 24 20 0 62 0 81 0 91 1 07 1 10 1 12 1 16 1 21 25 0 62 0 81 0 91 1 05 1 07 1 09 1 13 1 18 30 0 61 0 81 0 91 1 01 1 04 1 06 1 10 1 14 35 0 61 0 81 0 94 0 98 1 00 1 02 1 06 1 11 40 0 61 0 81 0 90 0 94 0 96 0 98 1 02 1 06 Outdoor Temp C DB Indoor Temp C WB 11...

Страница 127: ... the remote controller are as given in the table below Indoor Unit Fan H Operation Compressor Rated Frequency High Pressure Mpa Low Pressure Mpa Discharge Pipe Temperature C Suction Temperature C Indoor Unit Side Differential Between Suction Temperature and Discharge Temperature C Outdoor Unit Side Differential Between Suction Temperature and Discharge Temperature C Cooling 26 bar 34 bar 6 bar 10 ...

Страница 128: ...perfoming maintenance you should at least perform the following inspections Indoor Unit Conditions Outdoor Unit Conditions Cooling Operation 27 C DB 19 C WB 35 C DB Heating Operation 20 C DB 7 C DB 6 C WB Indoor unit Outdoor unit Earth Drain piping Refrigerant piping Transmission wiring between indoor and outdoor units To dedicated breaker Is the air filter dirty What about voltage and current Wha...

Страница 129: ...hort Circuit of Indoor Unit Inlet Outlet Air Lower Lower Lower Outdoor Unit Fin Fouling Higher Higher Higher Short Circuit of Outdoor Unit Inlet Outlet Air Higher Higher Higher Air Mixed in Refrigerant Higher Higher Higher Water Mixed in Refrigerant 1 Lower Lower Lower Dirt Mixed in Refrigerant 2 Lower Lower Lower Lack of Refrigerant Gas Lower Lower Lower Unsatisfactory Compression 3 Higher Lower ...

Страница 130: ...nditions the indoor unit can change over to freeze up operation Indoor de icing To reduce the freeze up operation Indoor de icing frequency it is recommended to install the outdoor unit in a location not exposed to wind RZQ Series RZQS Series Outdoor temp C DB Indoor temp C WB Allowable range of operation Pull down Operation range Outdoor temp C DB Indoor temp C WB Allowable range of operation Pul...

Страница 131: ...Test Run and Operation Data SiBE28 804 120 Test Operation ...

Страница 132: ...Remote Controller Display Malfunction Code and Contents 150 4 Troubleshooting by LED Indications 152 4 1 Troubleshooting by LED on the Indoor Units 152 4 2 Troubleshooting by LED on Outdoor Unit PC Board 153 5 Troubleshooting by Remote Controller Display LED Display 154 5 1 Indoor Malfunctions 154 5 2 Outdoor Malfunctions 155 5 3 System Malfunctions 156 5 4 Overview of the Outdoor Safety Devices 1...

Страница 133: ... Stall Prevention Time Lag 205 5 33 LC Malfunction of Transmission System between Control and Inverter PC Board 207 5 34 P1 Open Phase or Power Supply Voltage Imbalance 209 5 35 P4 Malfunction of Radiator Fin Temperature Thermistor 210 5 36 PJ Failure of Capacity Setting 211 5 37 U0 Gas Shortage Malfunction 212 5 38 U2 Abnormal Power Supply Voltage 214 5 39 U4 UF Malfunction of Transmission betwee...

Страница 134: ...re discharge temperature Units equipped with liquid crystal remote controllers only Operation is normal Temperature differential is 8 18 C The units runs but doesn t heat the room Measure the suction discharge temperature Is there something causing the indoor heat load to be large such as an open window or door Temperature differential discharge temperature suction temperature Operation is normal ...

Страница 135: ...crocomputer controlled dry mode even if compressor is not operating It is normal The monitoring function forcibly operates the fan for one minute 18 In simultaneous ON OFF multi system setup indoor unit sub does not operate in sync with the other indoor unit main Flat fan etc It is normal It is caused by a signal transmission lag 19 Indoor unit fan operates after heating operation stops It is norm...

Страница 136: ...it Faulty operation switch or contact point Faulty high pressure switch Faulty magnetic switch for fan motor Activation or fault of overcurrent relay for fan motor Faulty overcurrent relay for compressor Faulty compressor protection thermostat Insufficient insulation in electric system Faulty contact point of magnetic switch for compressor Malfunction of compressor Fefective remote controller or l...

Страница 137: ...emote controller flashing Turn on power switch or replace fuse If high harmonics circuit breaker is not used on inverter compressor have the circuit breaker replaced Wait until power returns Normal Equipment starts operation 3 minutes later 3 min standby Diagnose based on error code on remote controller Normal Equipment starts operation 3 minutes later 3 min standby Diagnose based on error code on...

Страница 138: ...ssor does not Applicable Model All models of SkyAir series Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Faulty thermistor Faulty indoor outdoor unit PC board Faulty magnetic switch Faulty power transistor Faulty compressor Fuse blown or disorder of contact in operation circuit ...

Страница 139: ...than set temperature In heating operation When air thermistor ambient temperature is lower than set temperature Indoor unit PC board Outdoor unit PC board Relay c Output from magnetic switch or U V W of power transistor d Output from magnetic switch or SW circuit of power transistor e Output from relay or microcomputer Input to PC board Input to PC board S2576 NO NO YES NO NO YES NO Air sensor Mag...

Страница 140: ...rge of refrigerant Air intrudes into refrigerant system Faulty pressure switch Faulty magnetic switch for outdoor unit fan motor Faulty aux relay for outdoor unit fan motor Soiled heat exchanger of outdoor unit There is an interfering item in air flow of outdoor unit Malfunction of outdoor unit fan Soiled air filter of indoor unit Soiled heat exchanger of indoor unit There is some interfering item...

Страница 141: ...peration lamp of remote controller flashing Is the type of remote controller wired or wireless NO NO YES NO YES YES YES YES Wireless YES Heating Indoor unit Cooling Outdoor unit wired S1992 NO NO Diagnose based on the error code on remote controller Malfunction of fan motor Check the magnetic switch and aux switch for fan motor Cleaning Remove the disturbing Cleaning of the heat exchanger After va...

Страница 142: ...r protection thermostat Overcurrent relay may act due to the following reasons Lower voltage of power supply Excess level of high pressure Insufficient size of power cable Malfunction of compressor Compressor protection thermostat may act due to the following reasons Internal leakage of four way valve There is no difference between suction and discharge temperature Insufficient compression of comp...

Страница 143: ...arge side of four way valve Turn the operation switch ON and OFF then wait at ON side Check on the cause why overcurrent relay for compressor or compressor protection thermostat acted Does the unit start operation after 3 minutes Is the discharge side of compressor hot after unit stop Normal Unit is in 3 min standby mode Contact power company Check compressor Replace power cable Expansion valve ma...

Страница 144: ...els of SkyAir series Error Detection Method Error Generating Condition Supposed Causes Wrong selection of model Out of gas Insufficient airflow in the indoor unit Increase of high pressure In addition the following malfunctions may be conceivable Insufficient compression of the compressor Insufficient circulation of refrigerant Defected expansion valve ...

Страница 145: ... Malfunction of fan motor Refer error code A6 Possible causes as follows Refrigerant overcharge Air in refrigerant system Soiled heat exchanger Short circuit of supply air Disturbing item in air flow Malfunction of fan motor of outdoor unit Refer error code E7 Does the heat load increase after installation of the unit Is the operation current less than specified level Possible causes as follows In...

Страница 146: ...SkyAir series Error Detection Method Error Generating Condition Supposed Causes Wrong selection of model Out of gas in refrigerant Insufficient airflow in the indoor unit Decrease of low pressure In addition the following malfunctions may be conceivable Insufficient compression of the compressor Insufficient circulation of refrigerant Defected expansion valve ...

Страница 147: ...ion air temp Supply air temp Incorrect selection of model Affection of sunlight Affection of excessive fresh air into room Gas shortage possibly generates trouble Clogged air filter Soiled heat exchanger Malfunction of indoor fan motor Refer error code A6 Refrigerant overcharge Soiled heat exchanger Short circuit of discharge air Disturbing item in air flow Malfunction of fan motor of outdoor unit...

Страница 148: ...source of humid condition Dust or oil mists should be removed Possible causes as follows Clogged air filter Malfunction of fan motor Is the room temperature higher than set value in cooling operation Is white fog coming out from the unit Is the heat exchanger of indoor unit soiled Is the site dusty or with dense oil mist Is the airflow rate too small Normal Remove the source of humid condition Cle...

Страница 149: ...ection Method Error Generating Condition Supposed Causes Improper installation Contacts of fan piping casing etc Noise of refrigerant flow Operating noise of drain discharge equipment Noise of resin components contracting In addition the following malfunctions may be conceivable Overcharge of refrigerant Air interfusion Flash noise of insufficient refrigerant hushing noise ...

Страница 150: ...nsert shock absorber in mounting section or strengthen the mounting section Normal The sound is flushing noise of gas refrigerant inside air conditioning unit Insert cushion materials to the pipe support such as saddle Normal The noise is a sound generated at the time of gas refrigerant flow change or stop Disassemble and remove parts contact Normal Operation sound of draining device Correct pipin...

Страница 151: ...ing Install air filter Does the trouble generate at the time of operation start again after extended period of operation Is air filter equipped Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred YES YES NO NO Dust collected inside the indoor unit are blown out Cleaning for inside of indoor unit is necessary Dust collected inside the indo...

Страница 152: ...unit based on indoor unit LED and outdoor unit LED Trouble Shooting Trouble generates just after power supply ON Is the position of SS 1 on indoor unit PC board at Emergency Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred The unit is checking to confirm that remote controller is normal Indication appears for short time Turn the switch...

Страница 153: ...ime about 30 seconds Remark Some functions can force the swing flap into a fixed position altough swing mode is selected on the remote controller This is not an unit error but a control function to prevent draft to the customer Before starting the troubleshooting make sure the swing flap is not forced into such a fixed position e g Hot start defrost operation thermostat OFF in heating operation or...

Страница 154: ...ctor X29A when the power supply is turned back on Disconnect X14A turn the power supply off once and back on and check if the limit switch has continuity when the power supply it turned back on Turn the power supply off once and back on and check whether the swing flap motor swings when the power supply is turned back on S2577 YES NO NO YES YES YES NO NO YES NO Connect correctly Connect correctly ...

Страница 155: ...ections Service settings can be made z Forced fan ON z Air flow direction volume setting Depress Inspection Test Operation button for more than 4 seconds Following codes can be checked z Malfunction codes z Indoor model code z Outdoor model code Press Inspection Test Operation button once Press Inspection Test Operation button once Press Inspection Test Operation button once Or after 30 minutes De...

Страница 156: ... for malfunction code and malfunction contents Note 1 Pressing the INSPECTION TEST button will blink the check indication 2 While in check mode pressing and holding the ON OFF button for a period of five seconds or more will clear the failure history indication shown above In this case on the codes display the malfunction code will blink twice and then change to 00 Normal the Unit No will change t...

Страница 157: ...ired remote controller the wireless remote controller does not display the error code Instead the operation LED on the light reception section flashes Checking To find the error code proceed as follows Step Action 1 Press the INSPECTION TEST button to select inspection The equipment enters the inspection mode 0 flashes in the UNIT No display 0 INSPECTION TEST ...

Страница 158: ...to beep 3 Press the MODE selector button The left 0 upper digit indication of the error code flashes Step Action UP DOWN If you hear Then 3 short beeps Follow all steps below 1 short beep Follow steps 3 and 4 Continue the operation in step 4 until you hear a continuous beep This continuous beep indicates that the error code is confirmed 1 continuous beep There is no abnormality MODE ...

Страница 159: ...e upper digit until the receiver of the remote controller starts to beep 5 Press the MODE selector button The right 0 lower digit indication of the error code flashes Step Action UP DOWN UP DOWN If you hear Then 2 short beeps The upper digit matches 1 short beep No digits match 1 continuous beep Both upper and lower digits match MODE ...

Страница 160: ...ton and change the error code lower digit until the receiver of the remote controller generates a continuous beep 7 Press the MODE button to return to normal status If you do not press any button for at least 1 min the remote controller returns automatically to normal status Step Action UP DOWN UP DOWN MODE ...

Страница 161: ...ction Compressor motor lock incorrect wiring E7 Outdoor fan motor lock or outdoor fan instantaneous overcurrent malfunction E9 Malfunction of electronic expansion valve outdoor unit F3 Discharge pipe temperature malfunction outdoor unit H3 Failure of high pressure switch outdoor unit H9 Malfunction of outdoor air temperature sensor system outdoor unit Note 2 J1 Malfunction of pressure sensor Appli...

Страница 162: ...ure Applicable Models Note 3 U0 U2 Abnormal power supply voltage Including malfunction of K1M K2M U4 UF Failure of transmission between indoor and outdoor unit Transmission between indoor and outdoor unit is not being correctly carried out Note 1 Note 2 UF Failure of transmission between indoor and outdoor unit or Piping and wiring mismatch or Gas shortage Transmission between indoor and outdoor u...

Страница 163: ...ture display 3 Operation halts due to malfunction depending on the model or condition 4 If LED B is off the transmission wiring between indoor and outdoor unit may be incorrect or disconnected Before performing the previously described troubleshooting check the transmission wiring 5 Troubleshoot by turning off the power supply for a minimum of 5 seconds turning it back on and then rechecking the L...

Страница 164: ... Turn off the power switch After 5 seconds or more disconnect the connection wire 2 Then turn on the power switch If the HAP on the outdoor unit PCB flashes after about 10 seconds the indoor unit PCB is faulty 3 Also check for open phase Remark The error detection monitor continues to indication the previously generated error until the power switch is turned off Be sure to turn off the power switc...

Страница 165: ...utdoor Unit Indoor Unit Remote Controller 5 5 Note 1 Normal to outdoor unit 5 4 A1 Malfunction indoor unit PC board For troubleshooting by LED refer to P152 159 5 7 4 7 5 5 A3 Malfunction of drain water level system 160 5 5 AF Malfunction of drain system 167 5 5 A6 Indoor unit fan motor lock 162 5 5 A7 Swing flap motor malfunction Lock 164 5 5 A8 Abnormal power supply voltage 166 5 5 AJ Malfunctio...

Страница 166: ...ressure switch HPS 193 H9 Malfunction of outdoor air temperature sensor system 194 J1 Malfunction of pressure sensor 195 J3 Malfunction of discharge pipe temperature sensor system 194 J5 Suction pipe thermistor malfunction 194 J6 Malfunction of heat exchanger temperature sensor system 194 J7 Malfunction of subcooling heat exchanger thermistor outdoor unit 194 J8 Malfunction of liquid pipe thermist...

Страница 167: ...Board Outdoor Unit Indoor Unit Remote Controller U4 or UF Transmission error between indoor and outdoor unit 216 UF Malfunction of transmission between indoor and outdoor unit or Piping and wiring mismatch or Gas shortage 219 U5 Transmission error between indoor and remote controller 220 U8 Transmission error between main remote controller and sub remote controller 221 UA Excessive indoor units co...

Страница 168: ...hooting by Remote Controller Display LED Display Troubleshooting 157 5 4 Overview of the Outdoor Safety Devices High pressure switch Fuse Open Close RZQ S 71 4 0 Mpa 0 0 15 3 0 0 15 6 3A 250V RZQ S 100 RZQ S 125 RZQ S 140 ...

Страница 169: ...l protector Thermal fuse fan motor Abnormal Reset automatic FFQ35 60 130 C 5 C 83 C 20 C N A FCQ35 71 130 C 5 C 83 C 20 C N A FCQ100 140 140 C 5 C 45 C 15 C N A FBQ35 125 N A N A 152 C FDQ125 N A N A 160 C FHQ35 125 130 C 5 C 83 C 20 C N A FUQ71 125 130 C 5 C 83 C 20 C N A FAQ71 100 130 C 5 C 83 C 20 C N A FVQ71 125 130 C 5 C 115 C N A ...

Страница 170: ...externally and usually requires more voltage for erasure than the common 5 volts used in logic circuits It functions like non volatile RAM but writing to EEPROM is slower than writing to RAM Supposed Causes The possible cause is a malfunctioning indoor PC board Troubleshooting Operation HAP green HBP green Normal 5 5 Malfunctioning 5 4 5 7 4 7 Switch the power off and on again to restart The malfu...

Страница 171: ...ons Error generation The error is generated when the water level reaches its upper limit and when the float switch turns OFF Supposed Causes The possible causes are Malfunctioning drain pump Improper drain piping work Drain piping clogging Malfunctioning float switch Malfunctioning indoor unit PC board Malfunctioning short circuit connector X15A on PC board Operation HAP green HBP green Normal 5 5...

Страница 172: ...mechanism Is the short circuit connector connected to X15A on the indoor unit PCB Connect the Short circuit connector Connect the Short circuit connector Set to emergency and check the voltage of X25A Replace the drain pump Remove the float switch from X15A short circuit X15A and restart operation Replace indoor unit PC board There is a malfunction of the drain system Replace float switch Replace ...

Страница 173: ... shows the LED indications Error generation The error is generated when the fan rotations are not detected while the output voltage to the fan is at its maximum Supposed Causes The possible causes are Malfunctioning indoor unit fan motor Broken or disconnected wire Malfunctioning contact Malfunctioning indoor unit PC board Operation HAP green HBP green Normal 5 5 Malfunctioning 5 5 ...

Страница 174: ...unit fan motor and motor wiring Are X20A and X26A properly Is there about 12 VDC Unplug X26A and switch the power supply on Check the voltage between pins 1 and 3 of X26A NO NO YES YES Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Connect X20A and X26A correctly Replace indoor unit PC board ...

Страница 175: ...error is detected by the limit switch when the motor turns When ON OFF of the microswitch for position detection cannot be reversed eventhough the swing flap motor is energized for a specified amount of time about 30 seconds Supposed Causes The possible causes are Failure of swing flap motor Failure of microswitch Failure of connector connection Failure of indoor unit PC board Operation HAP green ...

Страница 176: ... check whether the swing flap motor swings when the power supply is turned back on Turn the power supply off once and back on and measure the output voltage of connector X29A when the power supply is turned back on Disconnect X14A turn the power supply off once and back on and check if the limit switch has continuity when the power supply is turned back on NO Connect correctly NO Replace the indoo...

Страница 177: ...defect on signal line Wiring defect Instantaneous blackout others Troubleshooting Operation HAP green HBP green Normal 5 5 Malfunctioning 5 5 Check the condition of the power source Check if power supply voltage is 220V 240V 10 Check if there is power open phase or faulty wiring Check if power supply voltage side unbalance is within 6V YES There are problems on the condition of power source descri...

Страница 178: ...cations The table below shows the LED indications Error generation The error is generated when the float switch changes from ON to OFF while the compressor is OFF Supposed Causes The possible causes are Error in the drain pipe installation Malfunctioning float switch Malfunctioning indoor unit PC board Operation HAP green HBP green Normal 5 5 Malfunctioning 5 5 ...

Страница 179: ...kit Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Possible failure of float switch Check to see if drain up height and horizontal pipe length exceed specifications Clogged drain water discharge system Clogged drain pump Faulty float switch Replace indoor unit PC board Check to see if drain up height and horizontal pipe length exceed...

Страница 180: ... required in the following case In case the indoor PC board installed at the factory is for some reason changed at the installation site the capacity will not be contained in the replacement PC board To set the correct capacity for the PC board you have to connect a capacity setting adaptor with the correct capacity setting to the PC board The capacity setting for the PC board will become the capa...

Страница 181: ...r Plug a capacitor setting adapter that matches the capacity of the unit into X23A Switch the power supply off and back on again Check if the capacity setting adapter is plugged into X23A of the indoor PC board Replace indoor unit PC board NO NO YES YES Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred The malfunction was caused by a mi...

Страница 182: ...on Check the condition of transmission between indoor PC board A1P and PC board for fan A2P using computer Malfunction Decision Conditions When normal transmission is not conducted for certain duration Supposed Causes Connection defect of the connecter between indoor PC board A1P and PC board for fan A2P Malfunction of indoor PC board A1P Malfunction of PC board for fan A2P External factor such as...

Страница 183: ...t circuit and connect X70A back to original condition Determination 01 Normal Other than 01 Transmission defect on indoor PC board NO Istheconnector betweenindoorPCboard A1P and PCboardforfan A2P accurately connected 1 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Connect the connector accurately NO Under above local installation mo...

Страница 184: ...tion The error is generated when during compressor operation Thermistor input 4 96 V or Thermistor output 0 04 V Supposed Causes The possible causes are Malfunctioning connector connection Malfunctioning thermistor Malfunctioning PC board Broken or disconnected wire Checking thermistors Refer to P227 Error Description C4 Malfunctioning heat exchanger thermistor system C9 Malfunctioning suction air...

Страница 185: ...properly Is it normal Is the contact OK Check the thermistor resistance Check the contact between thermistor and PC board NO NO NO YES YES YES Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Correct the connection Replace the thermistor Correct contact C4 Indoor liquid pipe thermistor R2T C9 Air suction thermistor R1T ...

Страница 186: ...ible causes are Malfunction of PC board for fan A2P Connection defect of capacity setting adapter Setting mistake on site Troubleshooting Operation HAP green HBP green Normal 5 5 Malfunctioning 5 5 NO Is the type of PC board for fan A2P correct 1 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Was indoor PC board A1P replaced with sup...

Страница 187: ...s running Even if the remote controller thermistor is malfunctioning the system can operate with the system thermistor Supposed Causes The possible causes are Malfunctioning thermistor Broken wire Troubleshooting Operation HAP green HBP green Normal 5 5 Malfunctioning 5 5 Turn the power supply off once and then back on NO YES Is CJ displayed on the remote controller Caution Be sure to turn off pow...

Страница 188: ...the unit is running Even if the sensor is malfunctioning the system can operate Supposed Causes The possible causes are Malfunctioning sensor Broken wire Troubleshooting Operation HAP green HBP green Normal 5 5 Malfunctioning 5 5 Turn the power supply off once and then back on NO YES Is CC displayed on the remote controller Caution Be sure to turn off power switch before connect or disconnect conn...

Страница 189: ...supply on Supposed Causes Faulty outdoor unit PC board Troubleshooting Turn the power supply off once and then back on NO NO YES YES Is normal reset possible Turn the power supply off and disconnect the fan motor connector from the PC board then turn the power supply on again Is E1 displayed Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occu...

Страница 190: ...e switch is actuated Actuating pressure RZQ S 71 140 Supposed Causes Faulty high pressure switch Disconnection in high pressure switch harness Faulty connection of high pressure switch connector Clogged indoor unit suction filter in heating operation Dirty outdoor unit heat exchanger Faulty outdoor unit fan Refrigerant overcharge Stop valve is left in closed HPS settings The table below contains t...

Страница 191: ...eplace the high pressure switch HPS NO YES Connect correctly Are control and protection HPS connected to outdoor unit PC board Note NO YES Open the stop valve NO YES Set the remote controller and turn on again Is the malfunction code of H3 displayed YES NO Is high pressure abnormally high YES NO Check the installation conditions Is the stop valve open Check 6 P230 Replace the outdoor PC board A1P ...

Страница 192: ...changer distribution pipe thermistor R4T Malfunction Decision Conditions In cooling When the detection pressure is the following value 0 12 MPa or less continues for 5 minutes When the saturated pressure equivalent to the detection temperature is the following value 0 12 MPa or less continues for 5 minutes Supposed Causes The stop valve remained closed Faulty pressure sensor and intermittent harne...

Страница 193: ...d equipped with resin case Is the stop valve open Is it in cooling operation In cooling operation In heating operation Remove the thermistor from the outdoor PC board and measure resistance between the pins 5 and 6 Is the pressure sensor connector X17A properly connected to the outdoor PC board Is the heat exchanger distribution pipe thermistor connector X12A properly connected to the outdoor PC b...

Страница 194: ... between the inverter and compressor and detects the position signal pattern Malfunction Decision Conditions The position signal with 3 times cycle as imposed frequency is detected when compressor motor operates normally but 2 times cycle when compressor motor locks When the position signal in 2 times cycle is detected Supposed Causes Compressor lock High differential pressure 2 6MPa or more start...

Страница 195: ... NO YES Is the stop valve open YES NO NO Is high pressure higher than 2 6 MPa at starting YES NO Check and see whether compressor is short circuited or ground YES Are inverter output voltages the same for 3 phases Does low or high pressure vary even instantaneously when restarting compressor Check the installation conditions Open the stop valve Connect correctly Remedy the cause Replace the compre...

Страница 196: ...fan motor runs Malfunction Decision Conditions When the fan runs with speed less than a specified one for 15 seconds or more when the fan motor running conditions are met When connector detecting fan speed is disconnected When malfunction is generated 4 times the system shuts down Supposed Causes Malfunction of fan motor The harness connector between fan motor and PC board is left in disconnected ...

Страница 197: ...t for 10 minutes Remove the fan motor connector Is the fan motor connector correctly connected to the outdoor PC board NO YES Properly connect the connector Is there any foreign matter around the fan NO YES Remove the foreign matter check the resistance value for the fan motor P233 Is the fan rotatable easily by hand NO YES Replace the fan motor Check 9 A Caution Be sure to turn off power switch b...

Страница 198: ...otor There is no problem with the unit An external factor noise etc other than unit failure may be a cause of the malfunction 1 Fuse conductive Properly plug the fan motor connector and then turn ON the power again Is the fuse conductive 1 NO YES Dose E7 appear again YES NO Replace the fuse Replace the outdoor PC board A2P RZQ71 140C7V1B RZQS71 140C7V1B F6U A ...

Страница 199: ...sensor and suction pipe temperature thermistor Malfunction Decision Conditions When the following conditions are met for 10 minutes Suction pipe superheat degree 4 C Minimum electronic expansion valve opening degree Connector of electronic expansion valve is missing when the power is on Supposed Causes Faulty electronic expansion valve Faulty solenoid valve Faulty check valve Disconnection of elec...

Страница 200: ...onnected to the outdoor PC board 1 Is the temperature sensor of each thermistor suction pipe discharge pipe intermediate heat exchanger and heat exchanger distribution pipe thermistors mounted properly Are the characteristics of each thermistor normal 3 Are the pressure sensor characteristics normal 4 Connect properly Replace the coil of the electronic expansion valve Mount properly Replace the ab...

Страница 201: ...ation Actually it is in wet operation Refer to P236 239 to eliminate the causes of wet operation 1 Electronic expansion valve and connector No 2 Electronic expansion valve connector and coil resistance criteria Check 13 14 15 It is believed that factors noise etc other than failure caused the malfunction Replace the outdoor PC board A1P RZQ71 140C7 RZQS71 140C7 X21A A 1 2 3 4 5 6 White Yellow Oran...

Страница 202: ...mality is detected according to the temperature detected by the discharge pipe temperature sensor Malfunction Decision Conditions When the discharge pipe temperature rises to an abnormally high level When the discharge pipe temperature rises suddenly Supposed Causes Faulty discharge pipe thermistor Faulty connection of discharge pipe thermistor Insufficient refrigerant amount Faulty compressor Dis...

Страница 203: ...efore connect or disconnect connector or parts damage may be occurred Abnormality in refrigerant system such as gas shortage faulty compressor etc Conduct inspection Connect correctly and operate the unit again Attach the thermistor and operate the unit again Replace the discharge pipe thermistor Model name RZQ71C7V1B RZQS71 100C7V1B RZQ100 140C7V1B RZQS125 140C7V1B Temperature 110 C 115 C NO YES ...

Страница 204: ...ure switch connector Faulty outdoor unit PC board Disconnected lead wire Troubleshooting Wait for 10 minutes after the unit stops operating then check the following Connect correctly Replace HPS with no continuity Resistance in normal operation 10Ω or less Replace the lead wire Is there continuity in each protection HPS NO Is protection HPS connector 1 correctly connected to outdoor unit PC board ...

Страница 205: ...oard control PC board Troubleshooting Refer to P228 229 for Thermistor temperature Resistance characteristics YES YES NO Check connectors for connection Connect correctly Replace the thermistor Remove thermistor from outdoor unit PC board then measure the resistance using a tester H9 Malfunction of outdoor temperature thermistor system J3 Malfunction of discharge pipe thermistor system J5 Malfunct...

Страница 206: ...RZQS71 140C7V1B Method of Malfunction Detection The malfunction is detected by the pressure measured with pressure sensor S1NPH Malfunction Decision Conditions When the detect pressure becomes following Detected pressure 0 05MPa continues 185 sec Detected pressure 4 4MPa continues 185 sec Supposed Causes Faulty pressure sensor Faulty outdoor unit PC board Incorrect connection of connector ...

Страница 207: ... between the pressure and the voltage normal 2 Measure the voltage V between the pins 2 and 3 of the above connector 1 Replace the pressure sensor S1NPH YES Replace outdoor unit PC board A1P Connect correctly YES NO NO Is it connected correctly YES Check if the connector for the pressure sensor X17A is correctly connected to the outdoor unit PC board A1P Detected pressure PH MPa Output voltage V 0...

Страница 208: ...ensor value during synchronized operation at the time of startup Detect malfunctions using an MP PAM series capacitor overvoltage sensor Malfunction Decision Conditions When over current is detected at the time of waveform output before operating the compressor When the current sensor malfunctions during synchronized operation When overvoltage occurs in MP PAM In case of IGBT malfunction In case o...

Страница 209: ...t becoming loose NO YES Connect tightly and correctly Check the resistance value for the fan motor Is the resistance value of the fan motor normal NO Replace the fan motor Does the fuse F6U have continuity NO YES YES Replace the fuse Use only specified fuses There is no problem with the unit An external factor noise etc other than unit failure may be the cause Power ON again Does L1 malfunction re...

Страница 210: ...Fin temperature is detected by the thermistor of the radiation fin Malfunction Decision Conditions When the temperature of the inverter radiation fin increases abnormally due to faulty heat dissipation Supposed Causes Activation of fin thermal switch Faulty fin thermistor High outside air temperature Insufficient cooling of inverter radiation fin Blocked suction opening Dirty radiation fin Faulty ...

Страница 211: ...ly connected to the outdoor PC board 1 NO YES Connect correctly Is it normally NO YES Go to Malfunction Diagnosis P4 Continue operation Does the malfunction code L4 recur when the unit starts operation YES NO Replace the outdoor PC board A2P Eliminate the cause Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred RZQ71C7V1B RZQS71 100C7V1B...

Страница 212: ...he current flowing to power transistor into voltage with CT1 DC current sensor Malfunction Decision Conditions When overcurrent has run to power transistor Actuated even by instantaneous overcurrent Supposed Causes Faulty compressor coil disconnection poor insulation Compressor startup malfunction mechanical lock Faulty inverter PC board Instantaneous fluctuation of power supply voltage Faulty com...

Страница 213: ...nect or disconnect connector or parts damage may be occurred Open the stop valve Replace the compressor Correct the power supply Compressor inspection Inspect according to the diagnosis procedure for abnormal noise vibration operating status etc of the compressor RZQ71C7V1B RZQS71 100C7V1B RZQ100 140 RZQS125 140C7V1B Instantaneous overcurrent detection value 32 0A 51 7A YES NO NO YES YES NO Approx...

Страница 214: ...tion Malfunction is detected by converting the current flowing to power transistor into voltage with CT1 DC current sensor Inverter PC board detects the disorder of position signal Malfunction Decision Conditions When compressor overload except for when startup is detected Supposed Causes Compressor overload during operation Disconnected compressor coil Faulty inverter Faulty compressor if bearing...

Страница 215: ...disconnected the compressor stops due to malfunction after elapsed time of 5 seconds Therefore check the voltage increase for 5 seconds Cooling Heating Cooling Heating Detection value 13 8A 260 seconds 14 8A 260 seconds 31A 5 seconds or 21 1A 260 seconds Compressor overload Inspection of the compressor and refrigerant system is required Compressor inspection Inspect according to the diagnosis proc...

Страница 216: ...function is detected by converting the current flowing to power transistor into voltage with CT1 DC current sensor Inverter PC board detects the disorder of position signal Malfunction Decision Conditions When compressor overload except for when startup is detected When position signal is disordered Supposed Causes Faulty compressor lock Pressure differential startup Faulty inverter The stop valve...

Страница 217: ...ormal Is the stop valve open Check the installation conditions Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Check 11 P235 NO YES NO YES NO YES When operating compressor with compressor output line disconnected the compressor stops due to malfunction after elapsed time of 5 seconds Therefore check the voltage increase for 5 seconds ...

Страница 218: ...tion Checks and sees whether transmission between control and inverter PC board is carried out normally Malfunction Decision Conditions When the transmission is not carried out in a specified period of time or longer Supposed Causes Incorrect transmission wiring between control and inverter PC board insufficient contact in wiring Faulty control and inverter PC board External factors noise etc Faul...

Страница 219: ...ely Disconnect the fan motor connector and turn on again Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Connect the transmission wiring and turn on again Connect the connector and turn on again Fix the disconnection and turn on again Replace the fan motor Inverter transmission malfunctioned due to the malfunction of fan motor Check f...

Страница 220: ... supply open phase Supposed Causes Open phase Voltage imbalance between phases Faulty outdoor inverter PC board Faulty main circuit capacitor Power unit Disconnection in diode module Faulty Magnetic Relay K11R K12R Improper main circuit wiring Troubleshooting Check LED on the outdoor unit PC board Open phase Open phase of power supply voltage Is the voltage imbalance between phases large Caution B...

Страница 221: ...posed Causes Faulty radiator fin temperature thermistor Faulty outdoor unit PC board Troubleshooting Refer to P228 229 for Thermistor temperature Resistance characteristics Disconnect the connector from on inverter PC board then check the thermistor resistance at the ordinary temperature Normal Note Check LED on the outdoor unit PC board Reset Does the radiator fin temperature thermistor malfuncti...

Страница 222: ...alled Malfunction decision is made only when turning the power supply on Supposed Causes Improper set value of E2PROM Improper capacity setting adaptor Faulty outdoor unit PC board Troubleshooting Make sure that the combination of connected capacity setting adapter CN26 is correct Is the capacity setting adapter CN26 connected to outdoor unit PC board Note Caution Be sure to turn off power switch ...

Страница 223: ...ng the control of suction air superheating high pressure indoor heat exchanger temperature and indoor suction air temperature Malfunction Decision Conditions In cooling operation When compressor frequency does not increase even though the load is heavy because the motorized valve is opened to the fullest extent If low pressure drops when the compressor is at 41Hz malfunction is confirmed In heatin...

Страница 224: ...frigerant after vacuum drying P236 Check for refrigerant shortage Check the inter unit wiring and piping between the indoor and outdoor units Is wiring and piping connection matched NO Match wiring and piping connection Check the refrigerant piping system for clogging Check 13 Check 8 P232 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurr...

Страница 225: ...n the inverter and power supply voltage Malfunction Decision Conditions When the voltage of main circuit capacitor built in the inverter and power supply voltage drop 150 170 VAC or when the power failure of several tons of ms or longer is generated Remote controller does not decide the abnormality Supposed Causes Drop in power supply voltage 180 V or less Instantaneous power failure Inverter open...

Страница 226: ...O When the compressor is running measure the voltage between and of electrolytic capacitor C C Is the wiring correct Is the measured voltage 220 VDC or more NO YES YES YES YES NO NO Field factors Correct the wiring Monitor the voltage Instantaneous voltage drop Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Other factors Replace the ...

Страница 227: ... RZQ S 71 140 Error generation The error is generated when the microprocessor detects that the transmission between the indoor and the outdoor unit is not normal over a certain amount of time Supposed Causes The possible causes are Wiring indoor outdoor transmission wire is incorrect Malfunctioning indoor unit PC board Malfunctioning outdoor unit PC board burning out fuse Faulty fan motor Outside ...

Страница 228: ...ES NO NO Connect correctly Repair wire breaking Is there miswiring a wrong wire type loose terminal or contact failure in the inter unit wiring between the indoor and outdoor units NO NO Wire correctly and securely fasten the terminal screws Is any optional accessory 1 connected Is the power for the optional accessory supplied from between 1 and 2 on terminal block X2M NO Wire correctly Is HAP on ...

Страница 229: ... output voltage P234 Is the output voltage normal NO Does U4 malfunction reoccur YES NO Does malfunction U4 or UF reoccur YES Check the resistance value of the outdoor fan motor After turning OFF the power supply correctly insert the connector of the fan motor and then restore the power After turning OFF the power supply correctly insert the connector of the fan motor and then restore the power Ch...

Страница 230: ...rect When the following conditions continue for 20 minutes during compressor operation A R2T R1T 4ºC and B R2T Te or Tc during heating operation 14ºC 24ºC during heating operation Supposed Causes Faulty inter unit wiring between the indoor and outdoor units Mismatching of wiring and piping Refrigerant shortage out of gas Clogged refrigerant piping system Troubleshooting Does UF appear when the pow...

Страница 231: ...mote controllers All indoor unit PCB microcomputer normal monitors flashing Using multicore transmission wiring between indoor unit and remote controller Is U5 displayed constantly SS1 of both remote controllers is set to MAIN Resets normally when power supply is turned off temporarily Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred S...

Страница 232: ... remote controller Connection among SUB remote controllers Malfunctioning remote controller PC board Troubleshooting Controlling with 2 remote controller Both SS 1 switches on remote controllers are turned to SUB Is there continuity in remote controller wiring SS 1 switch on remote controller PC board is turned to MAIN Caution Be sure to turn off power switch before connect or disconnect connector...

Страница 233: ...le Models All models of indoor units Error generation The error is generated when incorrect field settings have been set for pair twin triple double twin Supposed Causes The possible causes are Malfunctioning indoor or outdoor unit PC board Malfunctioning power supply PC board Indoor outdoor indoor indoor unit transmission wiring Malfunctioning remote controller wiring ...

Страница 234: ...door unit PC board flashing Are the transmission normal montiors HBP of all indoor unit PC board flashing Operating normally Turn the power off once then back on and restart operation Is the setting of Pair Twin Triple set correctly Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Connect the remote controller correctly Set correctly C...

Страница 235: ...ansmission between indoor units Malfunction Decision Conditions When the microcomputer judges that the centralized address signal is duplicated Supposed Causes Faulty centralized address setting Faulty indoor unit PC board Troubleshooting Are devices relating to centralized control connected to the indoor unit Caution Be sure to turn off power switch before connect or disconnect connector or parts...

Страница 236: ... air passage around the suction and discharge areas Check the outdoor ambient temperature R1T This temperature must be lower than 43 C Change the installation location YES Does the discharged air from other outdoor units cause an increase of the suction temperature Is the minimum space rescpected Is the heat exchanger clean YES Is there enough air flow Clean the heat exchanger Change the installat...

Страница 237: ...eck whether the expansion valve is producing a clicking sound 5 Check the coil current Open circuit normal short circuit The table below contains the reference resistance values 6 Check the clicking sound again If Then The expansion valve has no clicking sound Disconnect the valve connector without the clicking sound and proceed to step 5 White Grey Black Yellow Red Orange White 45 Ω 45 Ω Grey 45 ...

Страница 238: ...ntains an overview of the thermistors Checking To check the thermistors proceed as follows Check No 3 Thermistor Description Indoor R1T Suction air thermistor R2T Heat exchanger thermistor Outdoor R1T Ambient air thermistor R2T Discharge pipe thermistor R3T Suction pipe thermistor R4T Heat exchanger thermistor R5T Intermediate heat exchanger thermistor R6T Liquid pipe thermistor R10T Power module ...

Страница 239: ...01 3 88 3 75 3 62 4 70 4 54 4 38 4 23 4 08 3 94 3 81 3 68 3 56 10 111 99 108 96 30 16 10 15 76 70 3 50 3 44 9 8 7 6 5 4 3 2 1 106 03 100 41 95 14 90 17 85 49 81 08 76 93 73 01 69 32 103 18 97 73 92 61 87 79 83 25 78 97 74 94 71 14 67 56 31 32 33 34 35 36 37 38 39 15 43 14 79 14 18 13 59 13 04 12 51 12 01 11 52 11 06 15 10 14 48 13 88 13 31 12 77 12 25 11 76 11 29 10 84 71 72 73 74 75 76 77 78 79 3...

Страница 240: ...7 31 4 29 2 27 2 142 0 144 0 146 0 148 0 3 9 3 7 3 5 3 3 10 0 478 8 80 0 25 4 150 0 3 2 12 0 14 0 16 0 18 0 432 9 392 0 355 3 322 4 82 0 84 0 86 0 88 0 23 7 22 1 20 7 19 3 152 0 154 0 156 0 158 0 3 0 2 9 2 7 2 6 20 0 292 9 90 0 18 1 160 0 2 5 22 0 24 0 26 0 28 0 266 3 242 5 221 0 201 6 92 0 94 0 96 0 98 0 16 9 15 8 14 8 13 9 162 0 164 0 166 0 168 0 2 3 2 5 2 1 2 0 30 0 184 1 100 0 13 1 170 0 1 9 3...

Страница 241: ... inspection Is the piping length 5 meters or less Visual inspection Does air enter the refrigerant system Conduct refrigerant collection and vacuum drying and then add proper amount refrigerant Is the refrigerant overcharged Conduct refrigerant collection and vacuum drying and then add proper amount refrigerant Check items Possible causes Judgment Does the indoor unit fan run normally Visual inspe...

Страница 242: ... If YES the check valve is caught Is the LPS normal Check continuity using a tester Is the indoor unit installed under such conditions that short circuit easily occurs Visual inspection Is the refrigerant gas short Conduct refrigerant collection and vacuum drying and then add proper amount refrigerant Check items Possible causes Judgment Does the outdoor unit fan run normally Visual inspection Is ...

Страница 243: ... due to adherent contamination etc Replace the expansion valve 2 Accumulator Frosting Choked moisture Blow a nitrogen gas and then replace the refrigerant 3 Distributor Temperature difference Dust Choked moisture Reduced effective pipe diameter due to adherent contamination etc Replace the heat exchanger or distributor 4 Field piping Temperature difference Collapsed pipe Replace the pipe 5 Stop va...

Страница 244: ... the power supply off 2 With the fan motor connector disconnected measure the resistance between each pin then make sure that the resistance is more than the value mentioned in the following table Check No 9 Measurement point Judgment 1 4 1MΩ or more 2 4 100kΩ or more 3 4 100Ω or more 4 7 100kΩ or more 1 White 2 Orange 3 Brown 4 Blue 5 6 7 Red GND S2675 ...

Страница 245: ...minal on the harness side with the connector connected For 2 Fan models 6 Disconnect the connector X107A with the power supply OFF and Operation OFF 7 Is the voltage between pins 4 and 3 of X107A about 15 VDC after turning the power supply on 8 Is the voltage between pins 4 and 1 of X107A about 5 VDC 9 Connect the connector X107A with the power supply OFF and Operation OFF 10 When making one turn ...

Страница 246: ...condenser is charged and electric shock may result Therefore disconnect the connector from the outdoor unit fan motor after confirming that the outdoor unit fan has stopped 4 Before measuring the continuity disconnect the connection between compressor and power transistor 5 Measure the continuity in the following procedure Judgment Normal if the continuity check results in the following Power tran...

Страница 247: ...ully open and suction superheat degree further increases In addition because the compressor frequency drops to the level of the lowest frequency 52 Hz and the refrigerant flow rate decrease low pressure cannot be maintained Check No 13 Cooling High pressure Pressure sensor Low pressure Pressure sensor Suction superheat degree Compressor frequency Electronic expansion valve Adequate level Gas short...

Страница 248: ...pressure equivalent to indoor heat exchanger temperature or indoor suction temperature Heating Maintains a certain level of high pressure Indoor heat exchanger temperature Th2 Indoor suction temperature Th1 Electronic expansion valve control by avoiding superheat operation In response to decreased evaporator capacity caused by gas shortage capacity is controlled in the inverter in order to maintai...

Страница 249: ... degree Discharge superheat degree Adequate level Compressor frequency increases in order to maintain low pressure Compressor frequency decreases in order to maintain high pressure Maximum frequency Suction superheat degree is approx 0 deg Degree of excessive refrigerant charging As compressor frequency decreases low pressure rises As compressor frequency decreases low pressure rises Compressor fr...

Страница 250: ...aulty electronic expansion valve Decreased fan airflow rate Decre ased fan output Are the coil resistance and insulation normal Are the voltage characteristics normal Is the connector properly connected Are the thermistor resistance characteristics normal Is the pressure value checked with the Service Checker corresponding to the measurement of the sensor Can the fan motor be rotated with hands Ar...

Страница 251: ...Troubleshooting by Remote Controller Display LED Display SiBE28 804 240 Troubleshooting ...

Страница 252: ... Rows 245 3 Piping Diagrams 246 3 1 Piping Symbol 246 3 2 Pair System 247 3 3 Twin System 249 3 4 Triple System 251 3 5 Double Twin System 252 3 6 Pipe Connection Diameters 253 3 7 Re using Existing Field Piping 254 4 Wiring Diagrams 260 4 1 Outdoor Unit 260 5 Switch Box Layout 262 5 1 RZQ71C7 RZQS71 100C7V1B 262 5 2 RZQ100 140C7 RZQS125 140C7V1B 263 6 PCB Layout 264 6 1 RZQ71C7 RZQS71 100C7V1B 26...

Страница 253: ...nit mm 1 1 2 Components The table below contains the different components of the unit No Component 1 Gas pipe connection φ 15 9 flare 2 Liquid pipe connection φ 9 5 flare 3 Service port inside the unit 4 Grounding terminal M5 inside the switch box 5 Refrigerant piping intake 6 Power supply wiring intake Knock hole φ 34 7 Control wiring intake Knock hole φ 27 8 Drain outlet ...

Страница 254: ... 1 2 2 Components The table below contains the different components of the unit No Component 1 Gas pipe connection φ15 9 flare 2 Liquid pipe connection φ9 5 flare 3 Service port inside the unit 4 Grounding terminal M5 inside the switch box 5 Refrigerant piping intake 6 Power supply wiring intake knock out hole φ34 7 Control wiring intake knock out hole φ27 8 Drain outlet ...

Страница 255: ...d installation and service space mm The values between brackets are for RZQ100 140C7 RZQS125 140C7 class Suction side obstacle Discharge side obstacle Left side obstacle Right side obstacle Top side obstacle Obstacle is present In these cases close the bottom of the installation frame to prevent discharged air from being bypassed In these cases only 2 units can be installed 1 2 This situation is n...

Страница 256: ... pipe Get the portion A sealed so that air from the outlet does not bypass 2 3 Multiple Rows The illustration below shows the required installation and service space mm The values in brackets are for the 100 140 class Relation of dimensions of H A and L are shown in the table below Obstacles exist in front of the outlet side Obstacles exist in front of the air inlet L A L H 0 L 1 2H 150 250 1 2H L...

Страница 257: ...ake sure only completely liquefied refrigerant is sent to the expansion valve It is also used as a container in which surplus refrigerant is stored 10 Check valve with service port The check valve allows you to connect a gauge 11 Low pressure sensor The low pressure sensor is used to control the unit s actuators expansion valve frequency 12 High pressure switch The high pressure switch stops the o...

Страница 258: ...SiBE28 804 Piping Diagrams Appendix 247 3 2 Pair System 3 2 1 RZQ71C7 RZQS71 100C7V1B Note Piping Symbol Number Refer to P246 ...

Страница 259: ...Diagrams SiBE28 804 248 Appendix 3 2 2 RZQ100 140C7 RZQS125 140C7V1B Note Piping Symbol Number Refer to P246 Outdoor unit 1 7 Liquid piping Indoor unit 2 3 Gas piping 1 8 4 12 11 15 8 8 6 7 10 Heating Cooling ...

Страница 260: ...SiBE28 804 Piping Diagrams Appendix 249 3 3 Twin System 3 3 1 RZQ71C7 RZQS71 100C7V1B Note Piping Symbol Number Refer to P246 ...

Страница 261: ...7V1B Note Piping Symbol Number Refer to P246 8 Liquid piping Indoor unit 2 3 Heating Cooling Outdoor unit Gas piping Indoor unit 7 NOTE The pipes between the branch and the indoor units should have the same size as the indoor connections 1 1 1 1 1 8 7 4 12 11 15 8 8 6 7 10 ...

Страница 262: ...1B Note Piping Symbol Number Refer to P246 Liquid piping 2 3 Heating Cooling Outdoor unit Gas piping Indoor unit 7 Indoor unit 7 Indoor unit 7 NOTE The pipes between the branch and the indoor units should have the same size as the indoor connections 1 1 1 1 1 1 1 1 8 8 8 4 12 11 15 8 8 6 7 10 ...

Страница 263: ...Piping Symbol Number Refer to P246 Liquid piping 2 3 Heating Cooling Outdoor unit Gas piping Indoor unit 7 NOTE The pipes between the branch and the indoor units should have the same size as the indoor connections Indoor unit 7 Indoor unit 7 Indoor unit 7 1 1 1 1 1 1 1 1 1 8 8 8 8 1 4 12 11 15 8 6 7 10 8 ...

Страница 264: ...ection Diameters Outdoor units The table below contains the refrigerant pipe connection diameters Model φ Gas pipe flare φ Liquid pipe flare RZQ71C7V1B 15 9 mm 9 52 mm RZQ100C7V1B RZQ125C7V1B RZQ140C7V1B RZQS71C7V1B RZQS100C7V1B RZQS125C7V1B RZQS140C7V1B ...

Страница 265: ...s of cooling operation proceed with pump down operation without interruption Check the compressor of the existing air conditioner for fault records Remove the existing air conditioner See if the contamination inside the existing pipe is acceptable Rework the flare For R 410A See table on page 278 Use the supplied flare nut Existing piping work for new air conditioner Non standard size All satisfac...

Страница 266: ...iping has welded connections 3 7 4 Notes for Twin Triple and Double Twin Main piping L1 can be re used size up size down is allowed see further in this section for restrictions Re use of branch piping is not allowed Branch piping L2 L7 can be re used but standard pipe size only 3 7 5 Selection of Piping Material Construction material phosphoric acid deoxidized seamless copper for refrigerant Tempe...

Страница 267: ... standard pipe size may result in capacity decrease It is up to the installer to judge on this phenomenon carefully in function of the complete installation Refrigerant pipe size Gas pipe Model Size down Standard size Size up RZQ S 71 φ 12 7 φ 15 9 RZQ S 100 140 φ 19 1 Liquid pipe Model Size down Standard size Size up RZQ S 71 140 φ 6 4 φ 9 5 φ 12 7 ...

Страница 268: ...standard 50 m 70 m 50 m 70 m 50 m 70 m size up 25 m 35 m 35 m 45 m 35 m 45 m Maximum total one way piping length Twin L1 L2 L3 50 m 50 m 50 m Triple L1 L2 L3 L4 Double twin L1 L2 L3 L4 L5 L6 L7 Maximum branch piping length Twin L2 Double twin L2 L4 20 m Maximum difference between branch lengths Twin L2 L3 10 m 10 m 10 m Triple L2 L4 Double twin L2 L3 L4 L5 L6 L7 L2 L4 L3 L7 Maximum heigth between ...

Страница 269: ...L1 L2 L3 30 m 50 m 50 m Triple L1 L2 L3 L4 Double twin L1 L2 L3 L4 L5 L6 L7 Maximum branch piping length Twin and triple L2 Double twin L2 L4 20 m Maximum difference between branch lengths Twin L2 L3 10 m 10 m 10 m Triple L2 L4 Double twin L2 L3 L4 L5 L6 L7 L2 L4 L3 L7 Maximum heigth between indoor and outdoor All H1 15 m 30 m Maximum heigth between indoors Twin triple and double twin H2 0 5 m Cha...

Страница 270: ...nut 3 or 4 turns by hand Coat the indicated surfaces using ether or ester oil After completing the installation carry out an inspection of the piping connections by pressure test using nitrogen Piping size Flare nut tightening torque A dimensions for processing flares mm Flare shape φ 6 4 14 2 17 2 N m 144 176 kgf cm 8 7 9 1 φ 9 5 32 7 39 9 N m 333 407 kgf cm 12 8 13 2 φ 12 7 49 5 60 3 N m 504 616...

Страница 271: ...ements Front Position of compressor terminal Back Outdoor Note4 A1P Printed circuit board Main R1T Thermistor air A2P Printed circuit board Inverter R2T Thermistor discharge BS1 BS4 Push button switch R3T Thermistor Suction C1 C3 Capacitor R4T Thermistor Heat exchanger DS1 Dip switch R5T Thermistor Thermistor heat exchanger middle F1U Fuse T 6 3A 250V R6T Thermistor liquid F6U Fuse T 3 15A 250V R1...

Страница 272: ... E1HC Crankcase heater R6T Thermistor Liquid F1U F3U F4U Fuse T 6 3A 250V RC Signal receiver circuit F6U Fuse T 5A 250V R10T Thermistor Fin H1P 7P A2P Pilot lamp Service monitor orange S1NPH Pressure switch High S1PH High pressure switch H1P A1P Flashing lamp Service monitor green TC Signal transmission circuit V1R Power module K1R Magnetic relay Y1S V2R V3R Diode module K4R Magnetic relay E1HC V1...

Страница 273: ...262 Appendix 5 Switch Box Layout 5 1 RZQ71C7 RZQS71 100C7V1B The illustration below shows the switch box layout X6A X21A X5A X13A X11A X41A X17A X25A X77A X803A X12A X106A X11A LB E LA NA LC W V U DB501 IPM501 DB502 D531 D532 Q501 ...

Страница 274: ...0 140C7 RZQS125 140C7V1B The illustration below shows the switch box layout Item Description A1P Printed circuit board control A2P Printed circuit board inverter A3P Printed circuit board A4P Printed circuit board X1M Terminal strip A1P A2P A3P A4P X1M ...

Страница 275: ...1A X17A X25A X77A X803A X12A X106A X11A LB E LA NA LC W V U DB501 IPM501 DB502 D531 D532 Q501 Connector Connected to Description X5A X205A on A2P X6A X11A R1T Air thermistor X12A R2T R3T R4T R5T Thermistor X13A R6T Liquid thermistor X17A S1NPH Pressure sensor X21A Y1E Expansion valve X25A Y1S Solenoid valve 4 way valve X32A S1PH Pressure switch High X77A X106A M1F Motor Fan X111A R10T Thermistor F...

Страница 276: ...nnected to Description X5A X205A on inverter PC board X6A For optional PCB KRP58M51 X9A X809A on inverter PC board X11A R1T Air thermistor X12A R2T R5T Coil thermistor X13A R6T Discharge pipe thermistor X17A S1NPH Suction pipe thermistor X21A Y1E Expansion valve X25A Y1S 4 way valve X28A E1HC Crankcase heater X31A S1PL Low pressure sensor X32A S1PH High pressure switch X51A Connector for spare par...

Страница 277: ...PCB Layout SiBE28 804 266 Appendix ...

Страница 278: ... 273 1 7 Removal of Low Pressure Sensor Electronic Expansion Valve and Others 274 1 8 Removal of Thermistor 275 1 9 Removal of Four Way Valve 276 1 10 Removal of Compressor 277 2 RZQ100 140C7 RZQS125 140C7V1B 278 2 1 Removal of Outside Panels 278 2 2 Removal of Propeller Fan and Fan Motor 279 2 3 Removal of Switch Box 280 2 4 Removal of PC Board 281 2 5 Removal of Pressure Sensor Electronic Expans...

Страница 279: ...Remove the top panel after removing the eight screws 3 Remove the front panel 1 after removing the seven screws 4 Remove the right side panel after removing the five screws 5 Remove the front panel of the piping cover after removing the one screw 6 Remove the side panel of the piping cover after removing the four screws 7 Hold the lower part two positions and pull frontward Remove from the top hoo...

Страница 280: ...p panel following the procedure indicated at Removal of Outside Panels and Related Parts 2 Remove the fan motor In case of removing the connector do not pull the lead wire Hold the connector part and push the hook Precaution for the motor installation Be sure to fix the lead wire of the motor Otherwise the lead wire might be entangled with the motor and causes failure 1 Remove the connector for th...

Страница 281: ... to the switch box and the related parts Remove the connectors below Fan motor X106A Pressure sensor X17A Coil of four way valve X25A Compressor relay X502A Remove the parts below Coil of motor operated valve Y1E Liquid pipe thermister R6T suction pipe thermister R3T Discharge pipe thermister R2T Outdoor air thermister R1T Heat exchange thermister R4T Thermister at the midpoint of heat exchange R5...

Страница 282: ...ure indicated at Removing Outside Panels and Related Parts Remove the switch box following the procedure indicated at Removing switch box 1 Remove the PC board for the display A2P 1 Remove the connectors X205A on the PC board for the display Since the PC board for the display A2P is fixed with two hooks take from them and then remove the PC board for the display PC board for the display Retrieved ...

Страница 283: ...unted electric component 1 Remove the mounting plate for the terminal block after removing the one screw 2 Remove the two connectors on the reactor 3 Cut three clamps that fix the wiring 4 Remove the mounting plate for the electric component after removing the two screws cf Fixing screws Fixing screw Mounting plate for the electric component Connectors Reactor Clamps Mounting plate for the termina...

Страница 284: ...s 3 Remove the assembly of the PC board AIP Assembly of the PC board Retrieved 1 Remove the connectors on the PC board 2 Remove the one screw that fixes the electric component to the mounting plate 3 Pull out the assembly of the PC board after removing from the hooks at the both sides nine locations Hooks Hooks Fixing screw X6A X21A X5A X13A X11A X41A X17A X32A X25A X77A X803A X12A X106A X11A LB E...

Страница 285: ...ution for the mounting of the coil of the motor operated valve 1 Remove the pressure sensor 1 Remove the connector for the pressure sensor X17A 2 Remove the pressure sensor after cutting off the brazing one lowtion 2 Remove the pressure switch 1 Remove the lead wire 2 Remove the pressure switch after cutting off the brazing 3 Remove the electronic expansion valve 1 Pull out the coil from the elect...

Страница 286: ...ou have to replace all four thermisters at one time 1 Remove the outdoor air thermister pulling forward and then sliding it to the right 2 Pull out the discharge pipe thermister 1 by picking and pulling out the mounting spring 3 Pull out the suction pipe thermister by pushing the fixing part 4 Since the thermister of the heat exchange distribution pipe is fixed with the clamp plate pull the clamp ...

Страница 287: ...s and other instructions Be sure to confirm that the refrigerant is completely collected before starting the work Protect other pipings using a protective sheet for the welding or steel plate so that the flame for the gas welding may not damage them When brazing cool down the main unit using a wet waste etc so that the temperature of the main unit may not get higher than 120 degree C 1 Remove the ...

Страница 288: ...rminal One of the fixing nuts of the compressor is located at the outer side of the partition plate 1 Remove the fixing plate for the stop valve after removing the five screws 2 Remove the sound insulation 1 3 Remove the terminal cover after pushing the projective parts from the both sides 4 Remove the lead wire from the terminal 2 5 Pull out the sound insulation by unwinding the strings two locat...

Страница 289: ...ward to disassemble it 2 For the front panel 1 unscrew a single mounting screw and then push this panel downward to remove it 3 For the top panel unscrew the eight mounting screws and then remove this panel 4 For the front panel 1 unscrews the seven mounting screws and the remove this panel 5 For the front piping cover unscrew a single mounting screw and then remove this panel 6 For the side pipin...

Страница 290: ...e connector X206A X207A for fan motor from the PC board In order to disconnect the connector do not pull the lead wire Hold the connector part and then push the hooks Cautions in mounting the motor Be sure to fix the motor lead wire with a clamp Not heeding this caution will cause the entanglement of the lead wire around the fan which will result in damage to the fan 2 Cut the cable tie of lead wi...

Страница 291: ...move the two Faston terminals After that unscrew the three screws that fix the reactor and then remove the reactor 3 Cut the clamp 4 Remove the clamp of the pressure sensor lead wire 5 Cut the clamp of the outdoor air temperature thermistor 6 Disconnect a set of lead wires together from the clamp 7 Remove the terminal cover and then disconnect the three lead wires from the terminal block for the c...

Страница 292: ... A 4 Extend the hooks and then remove the support leg of the cover of electrical components 5 Disengage the three hooks on the left side and then while pushing down the two hooks on the right side remove the whole cover of the electric components 6 Cut the clamps B Connectors used on the PC board Compressor X102A Ground cable E1 Reactors P1 and P2 Power supply cable X1A Indoor Outdoor connection c...

Страница 293: ...tronic expantion valve and then push them in until you hear them click 1 Remove the pressure sensor 1 Disconnect the pressure sensor connector X17A 2 Use two spanners to remove the pressure sensor 2 Remove the solenoid valve 1 Disconnect thesolenoid valve connector X26A or X27A 2 Unscrew the one screw that fixes the coil for the solenoid valve and then remove the coil 3 Remove brazing from the two...

Страница 294: ... Pull the fixing bracket of the heat exchanger s distribution pipe thermistor to the front and then remove this thermistor 5 Press the fixing section of the heat exchanger s intermediate temperature thermistor to pull out this thermistor 1 The heat exchanger s distribution pipe thermistor heat exchanger s intermediate temperature thermistor and liquid pipe thermistor are jointed together with a si...

Страница 295: ... 2 and the side panel According to the procedure for the removal of switch box remove the switch box Be sure to remove the four way valve only after the refrigerant is completely recovered 1 Unscrew the one screw that fixes the coil for the four way valve and then remove this coil 2 Remove brazing from the four places and then remove the four way valve Refer to point column To prevent the four way...

Страница 296: ...isconnection of the brazed sections can cause oil to catch fire 1 Unscrew the five screws that fix the stop valve mounting plate and then remove this mounting plate 2 Remove the gas piping and the liquid piping 3 Remove the compressor terminal cover 4 Disconnect the lead wires from the terminal block 5 Loosen the two strings and then pull out the sound insulation of the compressor 6 Unfasten to re...

Страница 297: ...RZQ100 140C7 RZQS125 140C7V1B SiBE28 804 286 Removal Procedure ...

Страница 298: ...8 804 Precautions for New Refrigerant R 410A 287 Part 9 Precautions for New Refrigerant R 410A 1 Precautions for New Refrigerant R 410A 288 1 1 Outline 288 1 2 Refrigerant Cylinders 290 1 3 Service Tools 291 ...

Страница 299: ...ropic mixture refrigerant mixture of two or more refrigerants having similar boiling points 3 The design pressure is different at each product Please refer to the installation manual for each product Reference 1 MPa 10 19716 kgf cm2 HFC units Units using new refrigerants HCFC units Refrigerant name R 407C R 410A R 22 Composing substances Non azeotropic mixture of HFC32 HFC125 and HFC134a 1 Quasi a...

Страница 300: ... New Refrigerant R 410A 289 Thermodynamic characteristic of R 410A Temperature Steam pressure kPa Liquid Vapor Density kg m3 Liquid Vapor Specific heat at constant pressure kJ kgK Liquid Vapor Specific enthalpy kJ kg Liquid Vapor Specific entropy kJ KgK Liquid Vapor ...

Страница 301: ...ained in high pressure vessels Although those vessels are durable and strong careless handling can cause damage that can lead to unexpected accidents Do not drop vessels let them fall apply impact or roll them on the ground 3 Storage Although R 410A is not flammable it must be stored in a well ventilated cool and dark place in the same way as any other high pressure gases It should also be noted t...

Страница 302: ...rge hose 2Do not use the same tools for R 22 and R 410A 2Thread specification differs for R 410A and R 407C Charging cylinder 2Weighting instrument used for HFCs Gas detector 2The same tool can be used for HFCs Vacuum pump pump with reverse flow preventive function 2To use existing pump for HFCs vacuum pump adaptor must be installed Weighting instrument Charge mouthpiece 2Seal material is differen...

Страница 303: ...a pipe extension margin of 0 to 0 5mm was provided for flaring For R 410A air conditioners perform pipe flaring with a pipe extension margin of 1 0 to 1 5mm For clutch type only Conventional tool with pipe extension margin adjustment can be used Flare gauge Nominal size 1 4 3 8 1 2 5 8 3 4 Tube O D Do 6 35 9 52 12 70 15 88 19 05 Class 2 R 410A 9 1 13 2 16 6 19 7 24 0 Class 1 Conventional 9 0 13 0 ...

Страница 304: ...eed Maximum degree of vacuum 50 l min 50Hz Select a vacuum pump which is able to keep 60 l min 60Hz the vacuum degree of the system in excess of 2 Suction port UNF7 16 20 1 4 Flare 100 7 kPa 5 torr 755 mmHg UNF1 2 20 5 16 Flare with adapter Differences 2 Equipped with function to prevent reverse oil flow 2 Previous vacuum pump can be used by installing adapter Nominal size Class 1 Class 2 Previous...

Страница 305: ...ydrogen 5 Refrigerant oil Air compal Specifications 2 Contains synthetic oil therefore it can be used for piping work of every refrigerant cycle 2 Offers high rust resistance and stability over long period of time Differences 2 Can be used for R 410A and R 22 units 6 Gauge manifold for R 410A Specifications 2 High pressure gauge 0 1 to 5 3 MPa 76 cmHg to 53 kg cm2 2 Low pressure gauge 0 1 to 3 8 M...

Страница 306: ...le with and without hand operate valve that prevents refrigerant from outflow Differences 2 Pressure proof hose 2 Change in service port diameter 2 Use of nylon coated material for HFC resistance 8 Charging cylinder Specifications 2 Use weigher for refrigerant charge listed below to charge directly from refrigerant cylinder Differences 2 The cylinder can not be used for mixed refrigerant since mix...

Страница 307: ...k liquid refrigerant charging 2 A manifold with separate ports for HFCs and previous refrigerants is equipped as standard accessories Differences 2 Measurement is based on weight to prevent change of mixing ratio during charging 10 Charge mouthpiece Specifications 2 For R 410A 1 4 5 16 2min 2 5min 2 Material is changed from CR to H NBR Differences 2 Change of thread specification on hose connectio...

Страница 308: ...current Instantaneous 201 Defrost Operation 47 Defrost Start Setting 115 Discharge Pipe Temperature Control 70 Discharge Pipe Temperature Protection Control 80 Draft Avoidance Control 1 56 Draft Avoidance Control 2 57 Drain Pump Control 54 E E1 178 E3 179 E4 181 E5 183 E7 185 E9 188 Electronic Thermal Time Lag 203 Equipment Discharges Dust 140 Equipment Discharges White Mist 137 Equipment does not...

Страница 309: ... Setting 169 Malfunctioning Drain System 167 Malfunctioning Field Setting Switch 222 Malfunctioning HPS System 193 Malfunctioning in Discharge Pipe Temperature 191 Malfunctioning Indoor PC Board 159 Malfunctioning Remote Controller Air Thermistor 176 Method of Operating Remote Controller 26 Model Name and Power Supply 7 Model Series 1 O Oil Recovery Operation 77 Open Phase or Power Supply Voltage ...

Страница 310: ...ntrol 53 Troubleshooting Based on Equipment Condition 124 Troubleshooting by LED Indications 152 Troubleshooting by Remote Controller Display LED Display 154 U U0 212 U2 214 U4 or UF 216 U5 220 U8 221 UA 222 UC 224 UF 219 Using Conditions for Remote Controller Thermostat 41 W Wired Remote Controller 20 Wireless Remote Controller 24 ...

Страница 311: ...SiBE28 804 iv Index ...

Страница 312: ...oes not 127 Indoor Malfunctions 154 Indoor Unit Fan Motor Lock 162 Inspection Test Button 144 Installation and Service Space Multiple Rows 245 Non Stacked 244 Stacked 245 L Locating the thermistors RZQ100 140C7 RZQS125 140C7V1B Single phase 33 RZQ71C7 RZQS71 100C7V1B Single phase 33 M Malfunction of Drain Water Level System 160 Malfunction of Electronic Expansion Valve 188 Malfunction of Outdoor U...

Страница 313: ...of Switch Box 280 Removal of Thermistor 283 RZQ71C7 RZQS71 100C7V1B Removal of Compressor 277 Removal of Four Way Valve 276 Removal of Low Pressure Sensor Electronic Expansion Valve and Others 274 Removal of Outside Panels and Related Parts 268 Removal of PC Board Assy 271 Removal of Propeller Fan and Fan Motor 269 Removal of Switch Box 270 Removal of Thermistor 275 S Stall Prevention Time Lag 205...

Страница 314: ...sult in water or refrigerant leakage electrical shock fire or explosion Use only those parts and accessories supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage electrical shock fire or explosion Read the U...

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