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6-2

SM-16005-rev.2

FIELD WORK INSTRUCTIONS

6.1 Caution for Refrigerant Leakage

Refer to Section 3 “Troubleshooting” when dealing with problems or difficulties.

If you cannot solve the problem, contact your distributor or contractor.

● Special Attention Regarding Refrigerant Gas Leakage

Make sure that the entire VRF system meets ASHRAE Standard 15 or, any local codes, regarding Safety.

The ASHRAE Standard 15-2013 provides safeguards for life, limb, health, property, and prescribes safety

requirements.

The standard is recognized as the main guide for personal safety involving refrigeration systems. It strives

to ensure a safe application of refrigerant systems by limiting the maximum charge so that a complete

discharge due to a leak into a small, occupied, and enclosed room can never exceed the allowable limit.

Содержание IDM030B21E Series

Страница 1: ...SERVICE MANUAL INVERTER DRIVEN MULTI SPLIT SYSTEM HEAT PUMP AIR CONDITIONERS Service Manual Indoor Units Ducted Medium Static EconoFresh Type H Y C IDM030B21E H Y C IDM036B21E H Y C IDM048B21E with E...

Страница 2: ......

Страница 3: ...le International Organization for Standardization ISO 5149 or European Standard EN 378 No part of this manual may be reproduced in any way without the expressed written consent of Johnson Controls Inc...

Страница 4: ...rchase order 3 The standard utilization for this unit is explained in these instructions Use of this equipment for purposes other than what it designed for is not recommended 4 Please contact your loc...

Страница 5: ...occur in an earthquake if the unit is not installed correctly injuries may occur due to a falling unit Use appropriate Personal Protective Equipment PPE such as gloves and protective goggles and wher...

Страница 6: ...unit in any location where animals and plants can come into direct contact with the outlet air stream Exposure could adversely affect the animals and plants Do not install the unit with any downward s...

Страница 7: ...ses can be generated from decomposition Do not position the condensate pipe for the indoor unit near any sanitary sewers where corrosive gases may be present If you do toxic gases can seep into breath...

Страница 8: ...or refrigerant oil being introduced into the cycle the sizes of the charging connections have been changed from R407C type and R22 type It is necessary to prepare the appropriate tools before performi...

Страница 9: ...um of AWG18 0 82mm2 2 Conductor Stranded Copper Shielded cable must be considered for applications and routing in areas of high EMI and other sources of potentially excessive electrical noise to reduc...

Страница 10: ...viii SM 16005 rev 2...

Страница 11: ...4 8 Computerized Central Controller Adapter CCCA01 1 3 1 4 9 Infrared IR Receiver Kit CWDIRK01 1 3 1 5 Optional Parts 1 4 1 5 1 Optional Air Filter KW PP456E 1 4 1 5 2 Relay and 3 Pin Connector Kit PS...

Страница 12: ...Devices 3 34 3 3 Procedures for Checking 3 44 3 4 Test Run 3 44 3 4 1 Test Run Using Wired Controller 3 45 3 4 2 Checking the Test Run 3 47 4 Maintenance 4 1 4 1 Maintenance of Outdoor Unit 4 2 4 2 Ma...

Страница 13: ...12 5 4 1 5 Remote Cooling Heating Change Input Setting Code 07 5 13 5 4 1 6 Picking Up Operation Signal 5 14 5 4 2 Function Setting 5 17 5 4 2 1 Function Selection Item 5 17 5 4 2 2 Description of Fu...

Страница 14: ......

Страница 15: ...SM 16005 rev 2 1 1 INSTALLATION 1 Installation...

Страница 16: ...tdoor Unit Refer to the Installation Manual for Outdoor Unit 1 2 Change Over Box Refer to the Installation Manual for Change Over Box 1 3 Indoor Unit Refer to the Installation Manual for Ducted Medium...

Страница 17: ...CIW01 1 4 2 Simplified Wired Controller CIS01 1 4 3 Wireless Controller CIR01 1 4 4 Mini Central Controller CCM01 1 4 5 Large Central Controller CCL01 1 4 6 Computerized Central Controller Management...

Страница 18: ...s 1 5 1 Optional Air Filter KW PP456E 1 5 2 Relay and 3 Pin Connector Kit PSC 5RA 1 5 3 Remote Sensor THM R2A 1 5 4 3P Connector Cable PCC 1A For more information of the above Optional Parts please re...

Страница 19: ...SM 16005 rev 2 2 1 OPERATION 2 Operation...

Страница 20: ...2 2 SM 16005 rev 2 OPERATION 2 1 Indoor Unit Refer to the Operation Manual for Ducted Medium Static EconoFresh...

Страница 21: ...Control Device 2 2 1 Wired Controller CIW01 2 2 2 Simplified Wired Controller CIS01 2 2 3 Mini Central Controller CCM01 2 2 4 Large Central Controller CCL01 2 2 5 Computerized Central Controller Mana...

Страница 22: ......

Страница 23: ...SM 16005 rev 2 3 1 TROUBLESHOOTING 3 Troubleshooting...

Страница 24: ...e following wiring connections on O U I U printed circuit boards PCBs are not loose The connection for thermistors The connection for the wired controller cable The connection for communication cablin...

Страница 25: ...System The electrical wiring capacity of the outdoor unit is according to the Installation and Maintenance Manual of the outdoor unit Setting DIP switches may be required depending on the combination...

Страница 26: ...a Ground Fault Circuit Interrupter GFCI which is a recognized measure for added protection to a properly grounded unit Install appropriate sized breakers fuses overcurrent protection switches and wiri...

Страница 27: ...ntroller Indoor Unit with EconoFresh Kit Standard Indoor Unit A B A B A B Wired Controller Indoor Unit with EconoFresh Kit Indoor Unit with EconoFresh Kit A B Outdoor Unit A B Wired Controller Wired C...

Страница 28: ...16005 rev 2 TROUBLESHOOTING 3 1 2 Location of Printed Circuit Boards PCBs 1 Outdoor Unit Refer to the Service Manual for Outdoor Unit 2 Indoor Unit Ducted Medium Static with EconoFresh Kit PCB1 PCB2 T...

Страница 29: ...tch setting Not doing so makes the setting invalid 2 Factory settings for DSW6 and RSW1 are set to 0 If connecting the indoor unit to H LINK II supporting the outdoor unit without setting any DIP swit...

Страница 30: ...le DSW5 RSW2 Set All Pins OFF Set at 5 Factory settings for DSW5 and RSW2 are set at 0 For the units supporting H LINK II the refrigerant cycle numbers can be set for a maximum of 64 cycles No 0 to 63...

Страница 31: ...N Avoid Press and hold Menu and ECO simultaneously for three seconds during the normal mode Normal Mode Display Check Menu Display 1 Press and hold Menu and ECO simultaneously for three seconds during...

Страница 32: ...3 Times of Abnormal Transmitting 39 q5 Motion Sensor 3 Reaction Rate 1 19 E4 Times of Inverter Tripping 40 q6 Motion Sensor 4 Reaction Rate 1 20 F1 Louver Sensor State 41 q7 Setting Temp Collected Val...

Страница 33: ...arm History 01 03 Next Page Delete Rtrn Back 2008 10 28 PM02 10 01 01 22 2008 10 29 PM03 45 01 03 11 2008 11 06 AM11 37 01 02 14 2008 11 07 PM07 15 01 03 13 2008 11 07 PM11 55 01 01 29 Date Time I U E...

Страница 34: ...heck 2 Checking Check 3 Checking I U O U PCB Check 01 01 5 After completing the check the results of the PCB check are indicated Press Back Help and return to 3 above Check 1 00 Check 2 00 Check 3 00...

Страница 35: ...08 11 06 12 34 Self Checking 4 LCD Test Press OK and the screen changes as shown at the right 0 2 0 0 0 Self Checking 5 Backlight Test LCD brightness is changed gradually by pressing OK 0 3 0 0 0 Self...

Страница 36: ...Date Time Test The date and time is changed from 2012 03 04 12 34 to 2008 01 01 00 00 1 0 0 0 0 2008 01 01 00 00 Self Checking 13 EEPROM Test EEPROM Clearing Cancel Press help EEPROM Clear Press OK o...

Страница 37: ...ctric Cor Menu 4 Press to select letters 5 Press OK to confirm the letters Max 28 letters 6 Select Fin and press OK or simply press Menu 7 is displayed 7 Repeat 3 through 5 to register contact informa...

Страница 38: ...unit X C2 Nine or more indoor units are connected to change over box X X C3 The indoor units of different systems are connected to change over box LED7 LED4 LED5 LED6 PCB of Change Over Box 1 Refrige...

Страница 39: ...aking Wire Short Circuit 12 Outlet Air Thermistor 13 Freeze Protection Thermistor 14 Gas Piping Thermistor 15 Outdoor Air Thermistor ECONO 19 Fan Motor Activation of Protection Device for Indoor Fan F...

Страница 40: ...g the cooling dry fan or heating operation I U PCB Indoor Unit PCB 2 Connector for Condensate Pump Indoor Unit Type A Connector for Condensate Pump Ducted Medium Static with EconoFresh Kit PCN6 on PCB...

Страница 41: ...resistance with a tester Measure resistance with a tester Measure voltage between CN36 PCN6 terminals with a tester Check connection Check connection High Condensate Level Clogging of Drainage Up Slo...

Страница 42: ...r 30 seconds even after the micro computer is automatically reset If communication failure occurs from the beginning the alarm code is displayed after 30 seconds from start up Is LED3 yellow on O U PC...

Страница 43: ...or CN2 on I U PCB is removed Yes Yes Indoor Unit Does refrigerant system No setting between O U and I U correspond O U DSW4 and RSW1 I U DSW5 and RSW2 Is LED1 red on Change Over Box PCB ON Is LED3 gre...

Страница 44: ...and replace fuse Short Circuit between Wires Measure insulation resistance Remove cause of short circuit and replace fuse Short Circuit to Ground Disconnected Wires Contact Failure or Incorrect Connec...

Страница 45: ...esistance to ON when CN2 is disconnected Set the end terminal resistance to OFF when CN2 is reconnected 2 12VDC between VCC12 and GND2 5VDC between VCC05 and GND1 12VDC between VCC12 and GND1 15VDC be...

Страница 46: ...0 24k or less or disconnection 840k or more of the thermistor is detected during a heating or cooling operation The operation automatically restarts when the malfunction is removed Yes Yes Connect th...

Страница 47: ...short circuit 0 24k or less or disconnection 840k or more of the thermistor is detected during a heating or cooling operation The operation automatically restarts when the malfunction is removed Yes...

Страница 48: ...splayed when a short circuit 0 24k or less or disconnection 840k or more of the thermistor is detected during a heating or cooling operation The operation automatically restarts when the malfunction i...

Страница 49: ...disconnection 840k or more of the thermistor is detected during a heating or cooling operation The operation automatically restarts when the malfunction is removed Refer to Alarm Code 11 for thermisto...

Страница 50: ...11 for thermistor resistance Failure of I U PCB Yes Failure of Thermistor No Is resistance of THM4 for Outside Air Temperature between 0 24k and 840k Alarm Code Abnormality of Thermistor for Outside A...

Страница 51: ...an motor Is LED1 on I U PCB2 OFF 1 Check connectors PCN201 and CN201 on I U PCB2 No No Yes Does fan motor run Replace I U PCB2 Replace Fan Motor Replace I U PCB2 Replace Fan Motor Yes Yes Occurrence o...

Страница 52: ...Decision Basis shown below When performing the second measuring make sure to change the tester Red Black 1st Measurement 2nd Measurement Decision Basis Tester Resistance Value Tester Resistance Value...

Страница 53: ...han 130 of the combined outdoor unit capacity Cause Check Item Action Turn OFF Main Switch Event Check combination of indoor units and capacity setting of I U PCB Correctly set DIP switch DSW3 Incorre...

Страница 54: ...er of connected indoor units are displayed on the LCD The indoor unit number and the alarm code are displayed on the 7 segment display of the outdoor unit PCB 1 Except for some models H This alarm cod...

Страница 55: ...l The RUN indicator red flashes l The indoor unit number refrigerant cycle number address number the alarm code the model code 1 the model name 1 and the number of connected indoor units are displaye...

Страница 56: ...UN Indicator and LCD are ON However the system does not operate example Indoor outdoor fans or compressor do not operate The Comp does not Stop or Start even if the temperature setpoint on the LCD is...

Страница 57: ...ondition of Thermistor of Wired Zone Controller with Optional Setting Setting and Control 00 Control by Indoor Thermistor for Suction Air 01 Control by Thermistor of Wired Zone Controller 02 Control b...

Страница 58: ...er if faulty Replace PCB if faulty Disconnected Wire of Thermistor Measure resistance of coil Failure of Reversing Valve Disconnected Reversing Valve Coil Supply power forcibly Replace reversing valve...

Страница 59: ...ow to Indoor Unit Heat Exchanger Check temp difference at inlet and outlet of strainer Replace strainer in indoor unit Clogged Strainer in Indoor Unit Clogging at Low Pressure Piping Check for any clo...

Страница 60: ...nt Secure sufficient service space Correct fan speed Replace fan motor Insufficient Airflow to Outdoor Unit Heat Exchanger Check for clogging Remove clogging Check for connecting wire and connector Re...

Страница 61: ...eck indoor unit indicating alarm code 03 on wired controller Repair it according to alarm code 03 Check wired controller LCD or RUN indicator is turned OFF Check indoor unit according to Troubleshooti...

Страница 62: ...se of short circuit Excessively Low Air Temp to Outdoor Unit Heat Exchanger Measure field supplied pipes Use specified pipes Excessively Small Diameter or Long Piping Is outdoor unit heat exchanger cl...

Страница 63: ...heck indoor unit indicating alarm code 03 on wired controller Repair it according to alarm code 03 Failure of Indoor Unit PCB Check that indoor unit capacity is 0 in check mode of outdoor unit PCB Rep...

Страница 64: ...icient Airflow to Indoor Unit Heat Exchanger Check temp difference between inlet and outlet of reversing valve Check for refrigerant leakage from solenoid valve Excessively High Suction Pressure Failu...

Страница 65: ...position of propeller fan Outdoor Unit Propeller Fan Comes in Contact with Fan Shroud Check surface of contacts Replace magnetic switch Humming Sound from Magnetic Contactor Check each fixing screws T...

Страница 66: ...ature For Use in both Cooling and Heating Operation Is indoor temperature DB80o F 27o C or less during heating operation Heating operation may not be operated due to the activation of the overload ope...

Страница 67: ...e units indicated is less than the actual number of the units there is an abnormality If TEST RUN and the total number of the units connected to the wired controller for example 2 units are indicated...

Страница 68: ...ition Fault Inspection Points when the Power Supply is OFF Procedures for Recovery When Transmitting Circuit Fuse is Blown 1 Correct the wiring for the terminal block 2 Setting positions of the model...

Страница 69: ...the operation pressure in the test run mode 4 High Pressure Switch Check the operation pressure of the high pressure switch in the table below b When the high pressure retry control is activated alarm...

Страница 70: ......

Страница 71: ...SM 16005 rev 2 4 1 MAINTENANCE 4 Maintenance...

Страница 72: ...4 2 SM 16005 rev 2 MAINTENANCE 4 1 Maintenance of Outdoor Unit Refer to the Service Manual for Outdoor Unit...

Страница 73: ...U1 CN3 THM5 THM2 THM1 THM3 CN19 CN1 PCN7 PCN6 CN2 2 DSW7 1 ON 1 2 4 DSW4 3 ON DSW3 DSW9 TP DSW8 2 3 1 ON ON 1 2 ON 1 6 5 3 4 2 CN28 CN33 A B 1 2 R L1 S L2 MP N CN201 PCN201 PCN202 CN203 CN202 PCB2 Con...

Страница 74: ...be removed only from the bottom side 1 Remove the electrical box cover according to Section 4 2 1 Removing PCB 2 Disconnect the connector for the fan motor located on the PCB2 Then remove the wiring 3...

Страница 75: ...the fan assembly can be seen Remove the wiring for the motor secured by the cable clamp of the fan mounting plate 5 Remove four M4 screws securing each casing onto the fan mounting plate and move the...

Страница 76: ...ring the fan motor shaft and the fan runner using the hexagonal wrench for M6 screw and remove the fan runner Hexagonal Wrench Tool Hook Fan Casing Fan Runner Hexagonal Wrench Motor Shaft 7 Push the h...

Страница 77: ...pump located on the PCB1 Then remove the wiring 3 The condensate pump is mounted on the service cover Remove four M4 screws securing the service cover and pull slightly forward 4 Remove four securing...

Страница 78: ...ng to Section 4 2 3 Removing Condensate Pump 4 Loosen two screws securing the float switch to the plate 5 Loosen the resin nut securing the float switch and remove it Phillips Screwdriver Wrench Tool...

Страница 79: ...e not to twist the pipes 5 Insert the new expansion valve coil into the expansion valve body When inserting the valve coil secure the projection parts into the detents NOTE The detents are located 90o...

Страница 80: ...4 2 1 Removing PCB 2 Disconnect the connector for the liquid pipe THM3 and gas pipe THM5 located on the PCB1 Then remove the wiring 3 Pull the service cover slightly forward according to Section 4 2 3...

Страница 81: ...ng Fan and Fan Motor 2 Remove the nine M4 screws securing the front lower cover at the heat exchanger side and remove this cover Phillips Screwdriver Tool Rear Lower Cover M4 Screws x 7 Front Lower Co...

Страница 82: ...Main Parts 4 12 SM 16005 rev 2 MAINTENANCE 4 3 Main Parts 4 3 1 for Outdoor Unit Refer to the Service Manual for Outdoor Unit 4 3 2 for Change Over Box Refer to the Service Manual for Outdoor Unit...

Страница 83: ...ard Ducted Medium Static with EconoFresh Kit Arrangement of Connectors and Check Points for Control PCB1 PI114 PCN7 PCN6 CN2 CN11 CN14 THM4 THM3 THM2 THM1 CN19 CN1 VCC05 GND1 VCC17 VCC12 CN17 THM5 Arr...

Страница 84: ...1 16 1500 51 3 16 1300 4 7 1 6 1 1 2 5 1 2 7 5 9 1 6 1 4 2 9 7 16 239 3 22 13 16 580 4 101 3 9 7 16 239 4 3 15 16 100 3 8 10 7 16 11 8 1 2 12 7 9 16 15 4 7 16 112 3 7 8 98 4 5 8 118 9 16 15 1 2 12 7...

Страница 85: ...Static with EconoFresh Kit Air Outlet Air Inlet Indoor Air Air Inlet Outdoor Air Outdoor Air Thermistor THM4 Inlet Air Thermistor THM1 Gas Pipe Thermistor THM5 Liquid Pipe Thermistor THM3 Outlet Air T...

Страница 86: ...re For Discharge Air Temperature Control The thermistor for indoor discharge air temperature is utilized for the control of prevention from cold air discharge in heating operation etc The resistance c...

Страница 87: ...pansion Valve Coil Model PAM MD12HS Electronic Expansion Valve Body 1 Red COM 3 White 4 Yellow 5 Orange 6 Blue D Enlarged View of D 7 8 21 75 b c a Connector No 2 is unoccupied Unit inch mm d e f Micr...

Страница 88: ...gram Drive Circuit and Activation Mode White COM Yellow Blue Red Orange 1 2 4 3 M ON OFF Procedure Phase No 2 4 3 1 White Lead Wire Color Orange Yellow Blue Activation Mode 1 2 3 4 1 Close 4 3 2 1 4 O...

Страница 89: ...SM 16005 rev 2 5 1 EXTERNAL INPUT OUTPUT AND FUNCTION SETTING 5 External Input Output and Function Setting...

Страница 90: ...Settings of Outdoor Unit Refer to the Service Manual for Outdoor Unit 5 2 High Static Pressure Setting DSW5 No 5 ON Refer to the Service Manual for Outdoor Unit 5 3 External Input Output and Function...

Страница 91: ...input output setting can be set from the test run menu OK Test Run Menu Elevating Grille Setting Input Output Thermistor Selection Function Selection 01 03 Test Run Entr Rtrn Sel Back Press and hold M...

Страница 92: ...played 2 Select Function Selection or Input Output from the Test Run menu and press OK OK Test Run Menu Elevating Grille Setting Input Output Thermistor Selection Function Selection 01 03 Test Run Ent...

Страница 93: ...e Cooling Heating Change Total Heat Exchanger 09 Setback Temperature N A NOTES 1 Change the optional setting after waiting at least three minutes elapsed time after start up 2 Do not set the elevating...

Страница 94: ...multiple indoor units are connected to the same communication cable for wired controller input the signal to any of these indoor units 4 When the communication cable is not used in the twin triple and...

Страница 95: ...3 Stop NOTE Operation priority is given to the remote ON OFF signal or wired controller signal which is given last Control by Wired Controller Unit Operation Time Chart Time Example Operation Input is...

Страница 96: ...agram Example of Remote ON OFF 3 Example Stoppage Input is set to terminals 1 and 2 of CN3 Signal to terminals 1 2 of CN3 Control by Wired Controller Unit Operation Time Chart Time Example Stoppage In...

Страница 97: ...Forbidding Remote Control after Manual Forced Stoppage is set to terminals 2 and 3 of CN3 Signal to terminals 2 3 of CN3 Control by Wired Controller Unit Operation Time Chart Time Example Forbidding R...

Страница 98: ...ded wire for a low voltage wire and ground one end The maximum wiring length is 230 ft 70m 2 When using this function it is recommended that safety devices such as an electric leakage breaker or smoke...

Страница 99: ...n the communication cable is not used in the twin triple and quad combinations for simultaneous operation set this function only to the main indoor unit 5 4 1 3 Power Supply ON OFF 2 Restarting Functi...

Страница 100: ...not install the wires along the 220V power line Install them more than 12 in 30cm away from each other Intersecting them is acceptable If the wires are installed along the power line comply with the...

Страница 101: ...CN3 CN3 X1 3P Connector 3 2 1 2 1 COOL HEAT X1 Power Supply Signal to terminals 1 2 of CN3 Heat Cool Heat Cool Operation Mode of Unit Control by Wired Controller Cool Time Chart Example Remote Cooling...

Страница 102: ...tact of the auxiliary relay RYa is closed when this operation signal is given This function enables the signal check during remote control operation and an interlock of the fan for air inlet etc The c...

Страница 103: ...up a cooling operation signal that has nothing to do with the compressor stoppage by a thermistor An example of basic wiring is shown below The contact of the auxiliary relay RYa is closed when this o...

Страница 104: ...Ya RY NOTE These are examples using general purpose relay 6 Picking Up Heating Thermo ON Signal Output Setting Code 06 This function is utilized to pick up a thermo ON signal during the heating operat...

Страница 105: ...n Heat Load 00 01 02 Standard No Compensation Set Temp 2o F 1o C Set Temp 3o F 2o C 12 bC Not Prepared Not Used Use as 00 conditions 13 bd Not Prepared Not Used Use as 00 conditions 14 bE Not Prepared...

Страница 106: ...01 12o 02 18o 03 24o 04 30o 05 36o 06 42o 07 48o 37 E1 All Fresh Operation 10 00 01 02 Not Available Available 38 E2 Enthalpy Sensor 00 01 Not Available Available 39 E3 Not Prepared Not Used Use as 0...

Страница 107: ...3 66 19 68 20 70 21 72 22 74 23 76 24 77 25 78 26 80 27 82 28 84 29 86 30 66o F 19o C 68o F 20o C 70o F 21o C 72o F 22o C 74o F 23o C 76o F 24o C 77o F 25o C Factory Setting 78o F 26o C 80o F 27o C 82...

Страница 108: ...s 72 J1 Not Prepared Not Used Use as 00 conditions 73 J2 Not Prepared Not Used 74 J3 Run Indicator Color 00 01 Green Red 75 J4 Not Prepared Not Used Use as 00 conditions 76 J5 Not Prepared Not Used Us...

Страница 109: ...stor Temperature 00 01 Not Available Available 108 P5 Setting Temperature Display during Fan Operation 00 01 Displayed Undisplayed 109 P6 ECO Button Operation 00 01 Available Not Available 110 P7 Menu...

Страница 110: ...ting Changeover Tem perature for Automatic COOL HEAT Opera tion 00 01 02 03 04 05 2o F 1 0o C 3o F 1 5o C 3o F 2 0o C 4o F 2 5o C 5o F 3 0o C 1o F 0 5o C 131 r3 Setback Temperature Compensation During...

Страница 111: ...he upper or lower limit temperature is applied 3 Applicable to fan cooling and dry operation modes 4 Applicable to heating operation mode 5 Operation is stopped by pressing the On Off button for 3 sec...

Страница 112: ...Filter Cleaning Time b4 The period before filter sign indication is set according to indoor unit model before shipment The filter sign FLTR on wired controller is indicated according to the filter cle...

Страница 113: ...rd When this function is valid Thermo ON OFF is controlled under the lower temperature conditions than the setting temperature the indicated value of the wired controller 12 Not Prepared bC 13 Not Pre...

Страница 114: ...26 Not Prepared CC 27 Not Prepared Cd 28 Not Prepared CE Do not change this function when using this unit When it is used the function of outdoor air intake may not work effectively 29 Change of Louve...

Страница 115: ...s not reach the fixed temperature the system may not restart automatically after turning on the power supply by hot start control Hot start Control The control program that does not operate the compre...

Страница 116: ...when the cooling operation is stopped 43 Not Prepared E7 44 Fan Operation Control during Heating Thermo OFF E8 This function is utilized to prevent the perception of cold draft by reducing the indoor...

Страница 117: ...timer is set by the optional setting The setting condition and the setting period for OFF timer are shown below 54 Wired Controller Main Sub Setting F2 This function is utilized when two wired control...

Страница 118: ...atic COOL HEAT Operation mode or Prohibiting Operation by Wired Controller is set by the centralized controller Example Automatic Reset Temperature for Cooling is 77o F 25o C 57 Automatic Reset Temper...

Страница 119: ...ing before shipment Each switch operation becomes unavailable by pressing and Back Help return buttons simultaneously for more than 3 seconds when these functions are set as 01 The indication operatio...

Страница 120: ...ower Limit 16o F Lower Limit 9o C 82o F 28o C 10 Lower Limit 18o F Lower Limit 10o C 84o F 29o C In case of Standard Unit Setting Condition Details Setting Temperature Upper Limit HEAT 00 Standard Val...

Страница 121: ...ON OFF button on the wired controller the set temperature automatically returns to 57 58 Automatic Reset Temperature for Cooling Heating F5 F6 as in the following figure However the setting temperatu...

Страница 122: ...vate deactivate heater during defrost operation when heater operation is enabled The setting conditions and the heater during defrost are as follows Setting Condition Thermistor Sensor 00 Inlet Air Th...

Страница 123: ...ller Setting Temperature Indicated Value 5o F 3o C 04 Wired Controller Setting Temperature Indicated Value 6o F 3 5o C 05 Wired Controller Setting Temperature Indicated Value 7o F 4o C 06 Wired Contro...

Страница 124: ...r all fresh mode and gas sensor mode Depending on the operation range the compressor may stop and this unit switches to fan mode during heating or cooling operation Function 36 Damper Minimum Opening...

Страница 125: ...er step may increase the load and affect the air outlet temperature of other standard indoor units By default Cooling Setpoint 4o F 2 5o C Heating Setpoint 4o F 2 5o C When the external signal is dete...

Страница 126: ...ating condition such as protective control 4 This function is used to inhibit power consumption of the operating Do not use it for minimize the capacity of current and the voltage for the power circui...

Страница 127: ...es and ten minutes 2 It is possible to change the rotation assigned number according to the minimum differential between the setting temperature and indoor temperature 3 Intermittent Control Function...

Страница 128: ...day of the week NOTE The operation noise reduction setting may decreases the Cooling Heating capacity For detail refer to Section Sound Reduced Function in the Service Manual for the outdoor unit 1 Po...

Страница 129: ...f the cooling heating capacity seems insufficient during the normal operation set this function By setting this function the target frequency and upper limit of the compressor are set higher as follow...

Страница 130: ......

Страница 131: ...SM 16005 rev 2 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions...

Страница 132: ...tire VRF system meets ASHRAE Standard 15 or any local codes regarding Safety The ASHRAE Standard 15 2013 provides safeguards for life limb health property and prescribes safety requirements The standa...

Страница 133: ...rge non specified refrigerants or any of the following in the refrigerant system of a unit Hydrocarbon Refrigerants such as Propane Oxygen or Flammable Gases such as Acetylene Poisonous Gases The type...

Страница 134: ...rinted circuit board PCB Line Condition Pay attention to working voltage amperage and phase balance Inspect for faulty contact caused by loosened terminal connections oxidized contacts foreign matter...

Страница 135: ...SM 16005 rev 2 6 5 FIELD WORK INSTRUCTIONS 6 4 Service and Maintenance Record by 7 Segment Display Refer to the Service Manual for Outdoor Unit...

Страница 136: ...Micro Computer State Indication I U Micro Computer C1 O U Micro Computer C2 D Stopping Cause State Indication Cause Code of Indoor Unit Stoppage d1 E Alarm Occurrence Times of Abnormality E1 Times of...

Страница 137: ...cation Motion Sensor Response Rate q1 Radiation Sensor Temp q2 Motion Sensor1 Response Rate q3 Motion Sensor2 Response Rate q4 Motion Sensor3 Response Rate q5 Motion Sensor4 Response Rate q6 Setting T...

Страница 138: ...Check for leakage at reversing valve Check for any leakage GOOD or NOT GOOD 17 Check for leakage at check valve Check for any leakage GOOD or NOT GOOD 18 Check for leakage at accumulator Check for an...

Страница 139: ...5 rev 2 6 9 FIELD WORK INSTRUCTIONS 6 7 Saturation Curve for Refrigerant 0 50 100 150 200 250 300 350 400 50 25 0 25 50 75 100 125 150 Saturation Pressure Liquid psi G R410A Saturation Temperature Liq...

Страница 140: ...6 10 SM 16005 rev 2 FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A f t 3 l b...

Страница 141: ...SERVICE PARTS LIST SM 16005 rev 2 7 1 7 Service Parts List...

Страница 142: ...SERVICE PARTS LIST 7 2 SM 16005 rev 2 Refer to the Service Parts List for Ducted Medium Static EconoFresh...

Страница 143: ......

Страница 144: ...2016 Johnson Controls Inc SM 16005 rev 2 Code No LIT 12012293 Revised February 2019...

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