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York IDM030B21E Series, Service Manual

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SM-16005-rev.2

4-7

MAINTENANCE

TURN OFF all POWER supply switches.

4.2.3 Removing Condensate Pump

(1)  Remove the electrical box cover according to Section 4.2.1 “Removing PCB”.
(2)  Disconnect the connector for the condensate 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 screws from the mount of the service cover and remove the condensate pump.

Phillips Screwdriver, Wrench

Tool

Condensate Connection

Service Cover

Condensate Pump

Service Cover

Condensate Connection

Screws

Condensate Pump

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Summary of Contents for IDM030B21E Series

Page 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...

Page 2: ......

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 14: ......

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

Page 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...

Page 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...

Page 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...

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

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

Page 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...

Page 22: ......

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 70: ......

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 130: ......

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

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

Page 143: ......

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

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