LG PUCKA0 Installation Manual Download | Manualshive

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ENGLISH

P/NO : MFL69647501

INSTALLATION MANUAL

AIR

CONDITIONER

www.lg.com

Applied(AHU)
Comm.kit

Please read this installation manual completely before installing the product.
Installation work must be performed in accordance with the national wiring
standards by authorized personnel only.
Please retain this installation manual for future reference after reading it
thoroughly.

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Summary of Contents for PUCKA0

Page 1: ...omm kit Please read this installation manual completely before installing the product Installation work must be performed in accordance with the national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly ...

Page 2: ...onal Accessories 5 n Part Description 6 n Before Installation 7 n Control Kit Installation 9 Mechanical installation 9 Electric wiring work 10 12 Dip switch setting 12 Dry contact connection_optional accessory 13 n Thermistors Installation 14 Pipe thermistors installation 14 16 Room thermistor 17 n Test Operation 18 n Troubleshooting 19 ...

Page 3: ...e is risk of fire or electric shock Be cautious that water could not enter the product There is risk of fire electric shock or product damage n Operation Use the correctly rated breaker or fuse There is risk of fire or electric shock Do not install remove or re install the unit by yourself customer There is risk of fire electric shock explosion or injury For installation always contact the dealer ...

Page 4: ...ld supply Central control Device Parts and components 5 6 7 8 9 10 Control kit wiring Pipe thermistors Room thermistor Remote controller PQRCUSA0 1 Dry contact PQDSBC Signal Power supply and communication between control kit and outdoor unit Evaporator In Out control of Air Handling Unit Return air control Optional accessory Optional accessory Fan signal Low Middle High Defrost Heating Cooling sig...

Page 5: ...w lg com Applied AHU Comm kit Please read this installation manual completely before installing the product Installation work must be performed in accordance with the national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly Optional Accessories Components Remote controller Dry contact PQRCUSA0 1 PQDSBC Model name...

Page 6: ...6 CN OPTION 1 2 3 4 5 6 7 8 9 10 11 12 Plastic bolt Control box cover Main PCB Option PCB 24k Main PCB case Terminal block communication Terminal block POWER Supply Panel Support Tie wrap Control box case Cable gland 2type Bracket 4 1 1 1 1 1 1 1 8 1 8 4 No Part Name Quantity EA ...

Page 7: ...r If not it can cause electric shock injury or death If you want to operate in cooling mode AHU Field supply must comply with the following details Following The insulation level of AHU Field supply motor must be F or above and the protection level must satisfy IP 54 AHU Field supply must have the drain pan installed For refrigerant piping of outdoor unit refer to the installation manual supplied ...

Page 8: ...d the need capacity in the main PCB CAUTION Saturated Suction Temperature SST 6 C SH Superheat 5K Air Temperature 27 C DB 19 C WB Main PCB Capacity setting Option PCB Detail Main PCB Option PCB P NO Capacity Btu h Standard heat exchanger volume 103 m3 Maximum heat exchanger capacity kW Air Flow rate CMM EBR65102901 12 k 2 2 3 5 9 10 EBR65102902 18 k 2 4 5 0 13 16 5 EBR65102903 24 k 2 6 7 1 14 18 E...

Page 9: ...lation 1 Remove the Control Kit box cover by unscrewing the plastic bolt 4EA 2 Drill 4 holes on correct position and fix the Control Kit box securely with 4 screws Field supply through the provided holes Ø4 5 mm Reference the length of the holes Ø4 5 298 mm Provided holes Ø4 5 mm 4EA 189 mm ...

Page 10: ...FAN MOTOR CONTROLLER FAN SPEED CONTROLL OUTPUT CN OUT FIELD WIRING DEFROST HEATING COOLING SIGNAL OUTPUT CN OPTION OPTION PCB COMMUNICATION BETWEEN MAIN AND OPTION CN FLOAT FLOAT SWITCH INPUT FLOAT SWITCH SENSING CN REMO REMOTE CONTROLLER REMOTE CONTROL LINE CN ROOM ROOM SENSOR ROOM AIR THERMISTOR CN PIPE IN SUCTION PIPE SENSOR PIPE IN THERMISTOR CN CC DRY CONTACT DRY CONTACT LINE CN PIPE OUT DISC...

Page 11: ...stor In Out Remote controller DRY contact No Electric wire Control Kit Installation Electric Wiring Work 2 For connection to outdoor unit and to controller Field supply Pull the wires inside through the cable gland and close that s nut firmly in order to ensure a good pull relieve and water protection 3 The wires require an additional pull relief Strap the wire with the support tie wrap Support ti...

Page 12: ...tch wiring and wiring instructions CAUTION If you want to run the Fan L M H in Heating Mode defrosting condition you should set the dip switch 4 to On As shown below n PCB output signal According to the dip switch 4 setting Off Off Off Off Off Cooling Mode Off or On On Off Off Fan Mode Off On Off Off Heating Mode Off or On Off or On Off On Heating Mode Preheating On Off Off On Heating Mode Defrost...

Page 13: ...crew 4EA fix the dry contact on the bracket 2 Using cable connect the dry contact to main PCB For more information please refer to dry contact installation manual 3 Using screw 4EA fix the dry contact upper cover to bottom cover h Applicable dry contact model PQDSBC 4 Combine the dry contact upper cover to bottom cover with screw 2EA ...

Page 14: ... the distributor on the coldest pass the heat exchanger contact your heat exchanger dealer 2 Pipe_Out Install the thermistor at the outlet of the heat exchanger as close as possible to the heat exchanger Evaluation must be done to check if the evaporator is protected against freeze up Execute test operation and check for freeze up 1 Pipe_In Suction pipe 2 Pipe_Out Discharge pipe Air Handling Unit ...

Page 15: ... on the thermistor cable or loosening of the thermistor may result in bad contact and incorrect temperature measurement 2 45 1 Fixation of the pipe thermistors Field work 1 Fix the thermistor with insulating aluminum tape Field supply in order to ensure a good heat transference 2 Put the supplied piece of rubber around the thermistor in order to avoid loosening of the thermistor after some years 3...

Page 16: ... avoid water accumulation on down of the thermistor n Make good between thermistor and evaporator Put the top of the thermistors on the evaporator this is the most sensitive point of the thermistor 1 Most sensitive point of the thermistor 2 Maximize the contact 45 2 1 Pipe thermistors Installation ...

Page 17: ...stors Installation Room thermistor Installation of the Room thermistor 1 The room thermistor have to be installed in the return air part of the AHU Field supply mentioned below Thermistor Air flow Air Handling Unit AHU Control Kit ...

Page 18: ...ed For more detailed function of the wired remote controller refer to the Owner s Installation manual supplied with the wired remote controller Button on the wired remote controller PQRCUSA0 1 is not operated OPERATION INDICATION SCREEN SET TEMPERATURE Button WIRELESS REMOTE Do not operate CONTROLLER RECEIVER Some products don t receive the wireless signals VENTILATION Button Do not operate OPERAT...

Page 19: ...k No power supply Check the electrical connection and voltage of the power supply Wiring is wrong Check the electrical connection of the Control kit Refer to the circuit diagram of the Control Kit AHU Control Kit is broken Check the electrical and mechanical part Problem Cause Remedy ...

Page 20: ...20 AHU Control Kit ...

Page 21: ...Installation Manual 21 ...

Page 22: ......

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