LG PWFCKN000 Installation Manual Download Page 1 | Manualshive

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LG PWFCKN000 Installation Manual Download Page 1

P/NO : MFL42540230

www.lg.com

INSTALLATION MANUAL

• 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.

MODEL : PWFCKN000

Variable Water Flow Control Kit

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Summary of Contents for PWFCKN000

Page 1: ...mpletely 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 MODEL PWFCKN000 Variable Water Flow Control Kit ...

Page 2: ...7 n Installation Method 8 Variable Water Flow Control kit Installation Method 8 n Setting and Using Method 11 1 Wiring Diagram 11 2 Wiring for Variable Water Flow Control kit 12 3 Series Installation more than 2 unit 13 4 Power Source Input 14 5 Variable Water Flow Control Kit Functions 16 6 Setting of Outside Unit DIP Switch 22 7 Setting Example 23 2 Variable Water Flow Controller Kit ...

Page 3: ... injury or damage Be sure not to do Be sure to follow the instruction WARNING Be sure to turn off Outside unit power Before installation Please install the designated location in the Control box It can cause the breakdown or accident Do not touch the board when the power is connected It can cause a fire electric shock explosion injury and problem to the product Always request for installation of t...

Page 4: ...ctric shock and problem to the product When the product is submersed in water always request for service to the service center or the installation service provider It can cause a fire and electric shock Make the children and the elderly use the product with the help of a guardian It can cause a safety accident and problems to the product Do not give impact to the product It can cause problem to th...

Page 5: ...Accessory Parts Installation manual 5 Accessory Parts Controller Assy Variable Water Flow Control Board Transformer Terminal Block Harness Single Screw 2EA Manual Tie 1EA ...

Page 6: ...t DDC output AC 1A at 250V source SW102 Switch for setting internal function Digital Input Dry contact input Analog Input DC 0 10V Analog signal input Analog Output DC 0 10V Analog signal output SW103 Reset Switch SW101 DIP Switch for setting operating function LED Indicate VWFC board status LED1C Green communication status receive LED2C Red communication status transfer LED3C Yellow Communication...

Page 7: ...d water flow indicated MULTI V WATER IV PDB Demand control This function is to reduce Outside Unit power consumption by using input signal This manual provides variable setting to control outside unit capacity according to input method This function supports 2 types of input signal AI 0 10V and contact signal 3 Step Output Outside or Indoor Unit Operation status This function displays outside or i...

Page 8: ...nt panel from outside unit Separate front cover of control box Separate Oil_Level Harness 3Pin Yellow in External PCB CN28 Sepatate VWFC Cover in VWFC Assy Install the VWFC Assy to the C Box by using screws VWFC Variable Water Flow Control kit ڹ ں Separate of Oil_Level harness Tighten the screw from bottom to the top direction ڻ ڽ ڼ CAUTION Be sure to turn off outside unit power before installatio...

Page 9: ... to the terminal block 2Pin Terminal block Max current 0 42A Connect a signal cable DC 0 10V of water flow control valve to CN1_A0 A0_1 A GND A of VWFC Set up the main function DIP Switch of VWFC PCB Refer to 16page Pull out put through the cover hole Install the VWFC Cover by using screws ھ AO_1 ڿ ...

Page 10: ... surface and screw at least 2 places Otherwise the VWFC PCB may not be anchored properly 2 Do not deform the case at random It may cause malfunction of the Variable Water Flow Control PCB 3 This is a class A product In a non industrial environment this product may cause radio interference in which case the user may be required to take adequate measures 4 It must be installed variable flow valve on...

Page 11: ...Setting and Using Method Installation manual 11 1 Wiring Diagram Setting and Using Method ...

Page 12: ...C 24V 2 Wiring for Variable Water Flow Control kit Notes Transformer can supply only AC 24V to the terminal block Do not input external power into Main PCB Otherwise it will cause a serious damage The Variable Water Flow Control Kit controls only 1 valve actuator The power AC 24V and signal DC 0 10V line is recommended by AWG22 1 32 in 0 644 mm 0 016 Ω ft 0 053 Ω m 1 Unit h BL Blue RD Red BK Black...

Page 13: ...l Please apply an individual PWFCKN000 model for each MULTI V WATER IV unit CAUTION Variable Water Flow Control Kit only can control 1 unit of MULTI V WATER IV and electric valve Notes Communication line from controller such as DDC must be installed only with VWFC of master outside unit Demand control Output outside or indoor unit operation status Output outside or indoor unit error status signal ...

Page 14: ...ttingʼ contact signal the priority of command Demand control for external command from DDC vs peak control by LG Centrol controller Close Central controller has priority to external signal Open External signal has priority to central controller default setting Analog input part AI DC 0 10V AI_1 Demand control by analog input 10 Step Analog output part AO DC 0 10V Max 20 mA AO_1 Connect analog outp...

Page 15: ...Current capacity of power line Spacing 100V or more 10A 11 13 16 in 300 mm 50A 19 11 16 in 500 mm 100A 39 3 8 in 1 000 mm Exceed 100A 59 3 64 in 1 500 mm Notes If the power supply waveform continues to exhibit some distortion the recommended spacing in the table should be increased If the lines are laid inside conduits then the following point must also be taken into account when grouping various ...

Page 16: ...e unit get damage Position Function Control signal DC 0V OFF DC 8 10V ON Control signal DC 0V OFF DC 6 10V ON Control signal DC 0V OFF DC 4 10V ON Default status Control signal DC 0V OFF DC 2 10V ON ON L1 2 3 4 ON L1 2 3 4 ON L1 2 3 4 ON L1 2 3 4 Output signal setting SW101 L1 L2 5 Variable Water Flow Control Kit Functions Setting of DIP Switch Using SW101 select the minimum analog output value as...

Page 17: ...tion Status output Operation status output SW101 L4 Depends on SW101 L4 position ON OFF VWCK Board is operated as below L1 ON 2 3 4 Notes Default status is all off SW101 Dip Switch VWCK Board operation SW101 L4 ON When even one of indoor unit Remote controller is turned on Relay on All Indoor are turned off Relay off SW101 L4 OFF When even one of compressor is turned on Relay on All compressor are...

Page 18: ... Basically this module keeps a minimum Analog output voltage refer to L1 L2 setting of SW101 to prevent unexpected accident When you need to use 0 10V full range L2 should be set as ON When communication error happened LED3C yellow will truned ON The setting method makes to open the valve using output signal when occur communication error Set analog output default value in case that communication ...

Page 19: ...econds at least otherwise it will cause a damage to outside unit Operation rate condition Cooling Outside 35 C Indoor 27 C Heating Outside 7 C Indoor 20 C The tolerance of the operation rate can be cause by combination of outside unit operating condition installation circumstance When operation rate is 100 Target Evaporating Temp and Target Condensing Temp can be changed by installation option Inp...

Page 20: ...ntrol No control 1 0 0 9 0 50 34 5 50 0 1 0 Comp off 0 Comp off 0 0 0 1 All off 0 All off 0 7 0 0 0 No control No control 1 0 0 5 5 75 41 8 75 0 1 0 9 0 50 34 5 50 0 0 1 All off 0 All off 0 SW_ STEP Input_1 Input_2 Input_3 Cooling Heating Type of input Evaporating Temp C Operation rate Condensing Temp C Operation rate 0 0 0 0 No control No control Contact signal 1 0 0 5 9 70 40 4 70 0 1 0 11 0 40 ...

Page 21: ...7 6 8 4 5 0 80 43 1 80 9 8 6 9 4 4 1 90 45 6 90 10 9 6 10 3 1 100 48 1 100 D 0 0 0 4 No control No control Analog input 1 0 6 1 4 3 1 100 48 1 100 2 1 6 2 4 4 1 90 45 6 90 3 2 6 3 4 5 0 80 43 1 80 4 3 6 4 4 5 9 70 40 4 70 5 4 6 5 4 7 2 60 37 5 60 6 5 6 6 4 9 0 50 34 5 50 7 6 6 7 4 9 8 45 33 3 45 8 7 6 8 4 11 0 40 31 3 40 9 8 6 9 4 Comp off 0 Comp off 0 10 9 6 10 All off 0 All off 0 E 0 0 0 4 Comp ...

Page 22: ... setting Setting of variable water flow control kit is finished h If you want to stop the variable water flow control mode follow the same step and make Fn4 Off Select the On using ʻ ʼ and ʻ ʼ button and then press the confirm button DIP SWITCH 7 Segment SW01C confirm SW02C backward forward SW04C X cancel SW01D reset SW03C ȭ ȯ Ɨ CAUTION After change ʻDIP Switchʼ setting then you must press reset s...

Page 23: ...upply this section Field supply With this function comp capacity of outside unit can be controlled Ex Demand control by 3 contact signal SW_ STEP Input_1 Input_2 Input_3 Comp capacity Of outside unit Type of input 0 0 0 0 No control Contact signal 1 0 0 70 0 1 0 40 0 0 1 Comp off CAUTION This input can accept only non voltage contact Do not input external power source Otherwise it will cause a ser...

Page 24: ...e control step for analog input signal CAUTION This function is sensitive to voltage level So when using analog input make a signal cable as short as possible Do not change a command too quickly Keep the command 30 seconds at least otherwise it will cause a damage to outside unit Using Demand control function with 0 10V DC voltage signal DC 0 10V input Direct Digital Controller GND LG does not sup...

Page 25: ...indoor unit operating status Include FAN mode only L4 is OFF Display outside unit operating status Compressor operating on off status Operation Status Using Demand control function with 3 Non Voltage contact Error Status Power AC or DC Power AC or DC Operating Status LG does not supply this section Field supply Status output Relay can endure 250VAC 1A Position Function ON L1 2 3 4 ON Activate Digi...

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