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LG PRCKD21E, Installation Manual

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LG PRCKD21E Installation Manual Download Page 11

WIRING DIAGRAM

11

ENGLISH

AHU Controller part

AHU Controller part

Terminal block part #1

Terminal block part #1

Terminal block part #2 

Terminal block part #2 

Safety parts

Safety parts

Communication PCB part #2C

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AHU Controller part

AHU Controller part

Terminal block part #1

Terminal block part #1

Terminal block part #2 

Terminal block part #2 

Safety parts

Safety parts

Communication PCB part #2C

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Communication PCB part #

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AHU Controller part

<Inside the product>

Terminal block part #1

Terminal block part #2 

Safety parts

Communication PCB part #2

Communication PCB part #

1

• PRCKD41E

CAUTION

The cables entering F/G/H hole may be different according to the installer, and use the
flexible pipe and connector that fit the corresponding hole.

!

Part positioning diagram

WIRING DIAGRAM

Summary of Contents for PRCKD21E

Page 1: ...lation 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 Applied AHU Control Kit ENGLISH ...

Page 2: ...condi tioner is used for many hours Clean the air filter once every 2 weeks Dust and impurities collected in the air filter may block the air flow or weaken the cooling dehumidifying functions For your records Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes Write the model number and the serial number here Model number Serial number You c...

Page 3: ...this installation manual and the specified circuits must be used If power capacity is inadequate or if the electrical work is defective it may cause fire or electric shock Make sure to perform the grounding work If it is not grounded it may cause electric shock Make sure to install leakage current breaker and exclusive switch If they are not installed it may cause fire or electric shock Do not use...

Page 4: ... cause fire or electric shock Do not let water enter inside the product control part Especially do not wash the product with water It may cause electric shock or disorder When you turn off the main power switch do not touch it with wet hand It may cause fire or electric shock When the product is flooded make sure to contact MULTI V AHU installation specialty store It may cause fire or electric sho...

Page 5: ...the product or electric shock Cautions during electrical work or transportation Install without tension in the power cable If a tension is imposed the cable may snap or heat can be generated to cause fire If the power cable is damaged do not replace it by yourself but call A S center for replacement Use the exclusive cable for the product Use the rated power cable with the sufficiently permitted c...

Page 6: ...18 CONTROL KIT outdoor box installation 19 PIPE TEMPERATURE SENSOR CONNECTION 20 OUTDOOR UNIT COM MUNICATION LINE CON NECTION 21 CAUTIONS 22 AHU SENSOR SPECIFI CATION 23 AHU SENSOR COVER IN STALLATION FOR OUT SIDE INSTALLATION 24 AHU SENSOR CONNEC TION 31 ACP BACNET GATEWAY CONNECTION 32 ROTARY SWITCH SET TING 35 AHU CONTROLLER SET TING 38 COMMUNICATION PCB SETTING 40 ELECTRICAL CONNEC TION WORK 4...

Page 7: ...ing unit Control kit PRCKD21E 41E Expansion kit unit PATX13A0E 20A0E 25A0E 35A0E 50A0E Outdoor unit MULTI V ƒ Pipe temperature sensor IN Sensor Ø5 length 10 m cable color Black Pipe temperature sensor OUT Sensor Ø7 length 10 m cable color Red 1 Temperature and humidity sensor RA 40 C 70 C RH 0 95 AC 24 V DC 0 10 V 2 Temperature and humidity sensor SA 1 Return Fan 2 Supply Fan MCC MCC RA Return Air...

Page 8: ... 0 10 V Temperature boundary 50 50 C Temperature and humidity sensor Power AC 24 V Output signal DC 0 10 V Temperature boundary 40 70 C Humidity boundary 0 95 RH CONTROL KIT Wired remote controller Installation bolt nut Installation manual Owner s manual Model name è äÍêÎê êcòØ PRCKD21E Quantity 1EA Maximum number of outdoor units that can be con nected 4EA Quantity 1EA Number of bolts 4EA M10 70 ...

Page 9: ... 5 A 4 Selection switch ON OFF 3 Communication PCB 2 4 Lamp Power SA RA Inspection lamp 4 Communication PCB case 2 4 Transformer Input AC 220 V Output AC 24 V Capacity 50 VA 1 Control box 1 6 T 1 Controller protection box 0 8 T 1 Adapter DC 12 V 3 33 A 1 Terminal block A 15 A x 1 25 mm2 2 Adapter case 1 Terminal block B 20 A x 1 25 mm2 1 Poly fuse PCB 1 Circuit breaker for wiring 15 A 1 Poly fuse ...

Page 10: ... flexible pipe and connector that fit the corresponding hole PRCKD21E PRCKD41E Remark A mm 600 Length B mm 750 Height C mm 280 Width D mm 510 AHU locking hole E mm 650 F 4 Ø16 hole Pipe sensor insertion part G 10 Ø25 hole Sensor communication line insertion part H Ø30 hole Power cable insertion part Weight kg Product 43 5 Product weight Packaging 48 Weight after packaging PRODUCT DIMENSION ...

Page 11: ... Terminal block part 1 Terminal block part 2 Terminal block part 2 Safety parts Safety parts Communication PCB part 2 Communication PCB part 2 Communication PCB part 1 Communication PCB part 1 AHU Controller part Inside the product Terminal block part 1 Terminal block part 2 Safety parts Communication PCB part 2 Communication PCB part 1 PRCKD41E CAUTION The cables entering F G H hole may be differ...

Page 12: ...12 WIRING DIAGRAM ENGLISH FUSE1 250 V 3 15 A 1 ON ON ON 2 3 4 5 6 7 8 17 18 19 20 21 22 23 24 9 10 11 12 13 14 15 16 ON ON ON AHU Controller part Communication PCB part PRCKD21E ...

Page 13: ...WIRING DIAGRAM 13 ENGLISH 220 240 V 50 60 Hz CABLE OVER CV 2 5 mm 2 50VA FUSE1 250 V 3 15 A Communication PCB part PRCKD41E Safety parts transformer short circuit breaker for wiring ...

Page 14: ...14 WIRING DIAGRAM ENGLISH Terminal block part 1 Terminal block part 2 ...

Page 15: ...perature sensor is installed to SA RA duct you do not need to set Dip switch According to the installation site set the Dip switch according to the setting method Be careful of the Dip switch setting accord ing to whether outdoor unit is connected During the connection of outdoor unit make sure to set all rotary switches to be different After completing CONTROL KIT installa tion make sure to set o...

Page 16: ...U product Installation bolt 4EA Installation nut 4EA Detail Installation location during product side installation 4 holes Installation material 4 Ø12 hole CONTROL KIT backside AHU 650 mm 510 mm Check the location of the holes at the back of CONTROL KIT and whether there is a material for installation CONTROL KIT INSTALLATION ...

Page 17: ...SH Product installation Verify CONTROL KIT installation location in AHU product Installation completed CAUTION Do not install the product by one person It may cause injury After installation of the product check if it is fixed properly ...

Page 18: ...omposed as follows 4 Ø12 hole Nut 4EA Bolt 4EA Washer 4EA Washer 4EA Nut 4EA Control Kit Washer 4EA Reduce the bracket gap and fix by tightening the nuts 4 holes Outdoor box backside Product name Specification Quantity EA Location Washer M10 SUS 4 Outdoorboxenclosed Bolt M10X 70 SUS 4 Control Kit enclosed Nut M10 SUS 4 Washer M10 SUS 4 CAUTION Do not install the product by one per son It may cause...

Page 19: ... and connect to the connectors on communication PCB Flexible pipe and connector Ø16 supplied from the site Expansion kit PATX13A0E 25A0E 35A0E 50A0E Pipe temperature sensor IN sensor Ø5 length 10M cable color Black Pipe temperature sensor OUT sensor Ø7 length 10M cable color RED Pipe temperature sensor IN Pipe temperature sensor OUT p CQ out p CR in Rotary switch 1 EXPANSION KIT 1 EXPANSION KIT 2 ...

Page 20: ...oor unit and CONTROL KIT shall be connected as follows For details refer to the wiring diagram for the work VQS VQT VQQ VQR Rotary switch 1 Outdoor unit 1 Outdoor unit 2 Rotary switch 2 p CQ in p CQ out p CR out p CR in Outdoor unit communication line 2 Outdoor unit communication line 1 CONTROL KIT inside CAUTION All of EXPANSION KIT 1 outdoor unit 1 outdoor unit communication cable 1 and pipe tem...

Page 21: ...door unit 2 Pipe Communication line Pipe sensor p CQ in Outdoorunitcommunicationline 2 Outdoorunitcommunication line 1 Rotary switch 1 All of EXPANSION KIT 1 outdoor unit 1 outdoor unit communication cable 1 and pipe temperature sensor IN OUT 1 shall be connected to the same A part For detail connection of EXPANSION KIT refer to EXPANSION KIT manual CAUTIONS Power cable current capacity Gap 100 V ...

Page 22: ...h type Relay open close Option Rated pressure sensor Power AC 24 V Output signal DC 0 10 V Boundary 0 1 000 Pa Option CO2 sensor Power AC 24 V Output signal DC 0 10 V Boundary 0 2 000 ppm Option Smoke detection sensor Power AC 24 V Form contact point type Option ٦O ʭ ՈԷ ea oa sa ra Temperature Option Temperature humidity Mandatory Damper actuator Option Temperature Option Humidification valve Opti...

Page 23: ...TALLATION ٦O ʭ ՈԷ EA OA SA RA ٦O ʭ ՈԷ EA OA SA RA Example Temperature temperature humidity sensor cover installation Example Damper actuator cover installation CAUTION During the installation outside protection cover must be installed on the sensor and it shall be installed with protection class IP56 or higher If it is not installed the rain water may enter the sensor and disable operation ...

Page 24: ...when you purchased the temperature and humidity sensor 2 All cables shall be finished with flexible pipes 3 If temperature and humidity sensor outside the temperature boundary from the above specification are used it may not operate properly Provided that temperature boundary can be changed through LGAV Item Specification Remark Temperature and humidity sensor Power AC 24 V Output signal DC 0 10 V...

Page 25: ...e temperature and humidity sensor 2 All cables shall be finished with flexible pipes 3 If temperature and humidity sensor outside the temperature boundary from the above specification are used it may not operate properly Provided that temperature boundary can be changed through LGAV Item Specification Remark Temperature sensor Power AC 24 V Output signal DC 0 10 V Temperature boundary 50 C 50 C Op...

Page 26: ...llation work by referring to the enclosed manual when you purchased damper actuator 2 All cables shall be finished with flexible pipes Item Specification Remark Damper actuator Power AC 24 V Input Output signal DC 0 10 V Torque 15 Nm Operation time 150 sec Rotation angle 90 Option CAUTION Due to wrong connection of damper actuator AHU Main PCB and damper actuator may be burnt Before supplying the ...

Page 27: ...ils of damper actuator installation work by referring to the enclosed manual when you purchased damper actuator 2 All cables shall be finished with flexible pipes Item Specification Remark Filter pressure difference sensor Power AC 24 V output signal DC 0 10 V boundary 0 1 000 Pa Option CAUTION Due to wrong connection of damper actuator AHU Main PCB and damper actuator may be burnt Before supplyin...

Page 28: ...erence sensor connection Open Close type 1 For details of filter pressure difference sensor installation work by referring to the enclosed manual when you purchased filter pressure difference sensor 2 All cables shall be finished with flexible pipes Item Specification Remark Filter pressure difference sensor switch type Relay open close Option ...

Page 29: ... CO2 sensor installation work by referring to the enclosed manual when you purchased CO2 sensor 2 All cables shall be finished with flexible pipes Item Specification Remark CO2 sensor Power AC 24 V output signal DC 0 10 V boundary 0 2 000 ppm Option CAUTION Due to wrong connection of the sensor AHU Main PCB and sensor may be burnt Before supplying the power make sure to check whether there is a wr...

Page 30: ...se No 17 outside air No 18 exhaust No 19 mixed CONTROL KIT inside Example Smoke detection sensor connection 1 For details of smoke detection sensor installation work by referring to the enclosed man ual when you purchased the smoke detection sensor 2 All cables shall be finished with flexible pipes 3 How to release Smoke Removal Error CH 8 occurrence Dip switch No 23 ON PCB Reset Check FND 7 segme...

Page 31: ...S485 RX 605 of Terminal B L 1 606 of Terminal B L 1 TX 605 606 RX CONTROL KIT inside ACP BACnet gateway 1 For details of ACP BACnet gateway installation work by referring to the enclosed manual when you purchased ACP BACnet gateway 2 All cables shall be finished with flexible pipes ...

Page 32: ... is composed by connecting cooling only outdoor unit heating separately heat source hot water steam electricity set the rotary switch to No 2 Rotary switch Applied heat source Possible operation mode Outdoor unit Cooling Heating 0 Air cooled type Air cooled type Cooling heating dehu midification power saving wind only Heat pump 5 Air cooled type Cooling dehumidifica tion power saving wind only Coo...

Page 33: ...applied 6 CO2 sensor Applied Not applied OFF Automatic ventilation impossi ble 7 Return supply air flow sensor Applied Not applied OFF Retufn fan inverter not possible 8 Filter pressure difference sensor Applied Not applied ON Sensor value is the base for filter cleaning alarm 9 Supply static pressure sensor Applied Not applied OFF Supply fan fan inverter not pos sible 10 Humidifier Applied Not ap...

Page 34: ...d damper opens 18 EA Damper smoke removal mode Full Open Full Close ON If smoke is detected damper opens 19 Mix Damper smoke removal mode Full Open Full Close ON If smoke is detected damper opens 20 Return fan smoke removal mode Start Stop ON If smoke is detected fan oper ates 21 Supply fan smoke removal mode Start Stop ON If smoke is detected fan oper ates 22 Initialization mode General mode Fact...

Page 35: ...ng heating win d only power sav ing dehumidifica tion 3 Remark Power saving and dehumidification operation possible 1 Applied sensor RA Temperature and humidity sen sor SA Temperature and humidity sen sor 2 Function Main function cooling heating air only 3 Remark Current humidity can be verified 1 Applied sensor RA Temperature sensor SA Temperature sensor 2 Function Main function cooling heating a...

Page 36: ...on Main function cooling heating air only Smoke removal function SA RA Fan OFF OA EA damper Full Open Mixing damper Full Close 3 Remark Smoke removal mode operation setting o swQPQ o swQPT o swQPU o swQPQ o swQPT o swQPU o swQPQ o swQPT o swQPU o swQPQ o swQPT o swQPU 1 Applied sensor RA Temperature and humidity sen sor SA Temperature and humidity sen sor Humidifier humid ification valve 2 Functio...

Page 37: ...et rated pressure value through LGAV o swQPQ o swQPT o swQPU o swQPQ o swQPT o swQPU o swQPQ o swQPT o swQPU 1 Applied sensor RA Temperature and humidity sen sor SA Temperature and humidity sen sor 2 Function Main function cooling heating air only Outdoor unit set ting temperature control 3 Remark During Thermal ON OFF outdoor unit time differ ence activation logic is applied 1 Applied sensor RA T...

Page 38: ... 2 CONTROL KIT inside A B A B Rotary Dip switch setting According to outdoor unit communication line connection adjust Dip switch Adjust rotary switch of the part where out door unit communication line is connected CAUTION 2 EXPANSION KITs and outdoor units are connected to 1 communication PCB and each shall be classified and connected Ex EXPANSION KIT 1 outdoor unit 1 outdoor unit communication l...

Page 39: ...unication line Outdoor unit 1 2 3 4 0 1 2 3 1 2 3 4 Rotary Dip switch setting Communication PCB Outdoor unit Outdoor unit not accessed Dip switch Rotary switch rotary switch set value is used for outdoor unit address setting Rotary Dip switch setting When 3 outdoor units are connected the example of rotary Dip switch setting of communica tion PCB ...

Page 40: ...ide Motor power supply 3 phase POWER SUPPLY 220 240 V 50 Hz 220 V 60 Hz CABLE OVER CV 2 5 mm2 Motor Earth leakage circuit breaker Magnetic contactor Site connection Factory connection Electrical connection Example Fan motor connection Select and use standard products power cable Earth leakage circuit breaker magnetic con tactor suitable for motor capacity ELECTRICAL CONNECTION WORK ...

Page 41: ...20 V 60 Hz CABLE OVER CV 2 5 mm2 solenoid valve Site connection Factory connection 901 904 L N L N Adaptor Adaptor DC12V CONTROL KIT inside POWER SUPPLY 220 240 V 50 Hz 220 V 60 Hz CABLE OVER CV 2 5 mm2 Site line connection Factory line connection Example Humidifier solenoid valve connection ON OFF Example Inspection lamp connection ...

Page 42: ...ptor Adaptor DC12V N L CONTROL KIT inside Motor power supply 3 phase motor Earth leakage circuit breaker Magnetic contactor Site line connection Factory line connection POWER SUPPLY 220 240 V 50 Hz 220 V 60 Hz CABLE OVER CV 2 5 mm2 Example Rotary wheel heat exchanger motor three phase connection ...

Page 43: ...Rv n n l l CONTROL KIT inside Motor power supply 1 phase motor Earth leakage circuit breaker Magnetic contactor Site line connection Factory line connection POWER SUPPLY 220 240 V 50 Hz 220 V 60 Hz CABLE OVER CV 2 5 mm2 Example Rotary wheel heat exchanger motor single phase connection ...

Page 44: ... operation due to deteriorated reception and transmission state WARNING The electric works using special circuits according to overall regulation and this installation manual must be performed by electric technician with qualification If the power supply circuit capacity is insufficient or if there is a flaw it may cause electric shock or fire WARNING The electric works using special circuits acco...

Page 45: ...ons After supplying power into CONTROL KIT check if it is displayed in the following order on AHU Controller 7segment If 6 is displayed on 7segment operation be comes possible It requires about 10 15 min after the power supply from the system initialization to opera tion standby state EA OA SA RA Damper Position status OA damper Full Close EA damper Full Close Mixing damper Full Open Initializatio...

Page 46: ... controller sig nal 4 O Ventilation button It does not work with AHU 5 E Operation selection button 6 J Additional operation button 7 I Function setting button 8 N Exit button 9 Start Stop button 10 Indoor temperature button 11 G Reset button 12 C Wind strength button It does not work with AHU 13 A Wind direction button It does not work with AHU 14 X Timer Time setting button 15 _ Set Cancel butto...

Page 47: ...nstallation plate use the driver to insert in the arrow hole as in the right side fig ure and if you pull toward front direction the remote controller is separated Use the extension cable to connect CON TROL KIT and remote controller Purchase and use the extension cable at the site Please contact the specialty store Hisys for purchase of extension cable bus a bus b gnd QRv gnd QRv Q R S T Remote c...

Page 48: ...sensor 02 SA Temperature sensor humidity sensor 03 OA Temperature sensor humidity sensor damper 04 Mixing Temperature sensor Damper 05 Pressure difference Pressure difference sensor 06 Static pressure Static pressure sensor 07 EA Damper SELF DIAGNOSIS FUNCTION Error display This function displays the type of the disorder during the self diagnosis on AHU and when a dis order occurred The disorder d...

Page 49: ...ion signal from communication PCB for 3 min or longer CH 5 Communication de fect between com munication PCB and outdoor unit Communication PCB rotary switch number If communication PCB did not re ceive outdoor unit communication signal continuously for 5 min or longer CH 6 Indoor unit pipe exit temperature sensor defect Communication PCB rotary switch number Pipe exit temperature sensor discon nec...

Page 50: ...5 00 CO2 sensor defect If it is within the error boundary due to the CO2 sensor disconnection short circuit single unit defect CH 16 05 Pressure sensor de fect Pressure difference If the sensor value due to the pres sure sensor pressure difference rated pressure disconnection short circuit single unit defect is within the error boundary 06 Static pressure CH 17 01 Air Flow sensor de fect RA If the...

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