LG PWFCKN000 INSTALLATION INSTRUCTIONS
INSTALLATION MANUAL
Variable Water Flow Control 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.
MODEL : PWFCKN000
www.lg.com
P/NO : MFL42540232
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Variable Water Flow Control Kit Installation manual |
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TABLE OF CONTENTS |
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ν Safety Precautions................................................................................ |
3 |
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ν Accessory Parts .................................................................................... |
5 |
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ν Name of each Part ................................................................................ |
6 |
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ν Variable Water Flow Control kit – Functions summary ......................... |
7 |
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ν Installation Method................................................................................ |
8 |
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Variable Water Flow Control kit Installation Method ............................. |
8 |
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ν Setting and Using Method .................................................................. |
11 |
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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
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be followed.
νIncorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications.
WARNING |
This symbol indicates the possibility of death or serious injury. |
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CAUTION |
This symbol indicates the possibility of injury or damage. |
ν Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
WARNING
ν During installation
Be sure to turn off |
Please install the |
Do not touch the board |
Outside unit power |
designated location in the |
when the power is |
Before installation. |
Control box. |
connected . |
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• It can cause the breakdown |
• It can cause a fire, electric |
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or accident. |
shock, explosion, injury and |
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problem to the product. |
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Always request for installation of the product to the service center or the installation service provider.
•It can cause a fire, electric shock, explosion and injury.
When reinstalling the previously installed product, request for service to the service center or the installation service provider.
•It can cause a fire, electric shock, explosion and injury.
Installation manual 3
Safety Precautions
ν During use
Do not modify or extend the |
Do not pour water inside the |
Provided wires. |
product. |
• It can cause a fire and |
• It can cause an electric |
electric shock. |
shock and problem to the |
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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.
Do not give impact to the product.
•It can cause a safety accident and problems to the product.
•It can cause problem to the product.
4 Variable Water Flow Controller Kit
Accessory Parts
Controller Assy
(Variable Water Flow Control Board,
Transformer, Terminal Block, Harness Single)
Screw(2EA) |
Manual |
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Tie (1EA)
Accessory Parts
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Installation manual 5
Name of each Part
Name of each Part
Main connector : Power input and communication connector with Outside Unit
SW104 : Rotary Switch for setting capacity control step
Digital Output : Operating & Error status Relay output (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 error status
-LED4C(Orange) : Power status
* Variable Water Flow Control Kit
6 Variable Water Flow Controller Kit
Variable Water Flow Control kit – Functions summary
Variable Water Flow Control kit – Functions summary
Variable Water Flow Control
This function can be applied to save pump operation power by optimizing water flow rate by interlocking between electric valve and MULTI V WATER IV operation. Depends on MULTI V WATER IV operation cycle, Variable Water Flow Control Kit(Board) outputs analog signal (0~10V) to electric valve.
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CAUTION
Please keep water flow rate more than 40% of rated 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 indoor unit’s operation status. Depends on DIP switch setting, either outside or indoor unit operation status is reflected through output signal.
Output Outside or Indoor Unit Error Status Signal
-This function displays error signal by digital output when either outside or indoor unit has an error
Installation manual 7
Installation Method
Installation Method
Variable Water Flow Control kit Installation Method
Be sure to turn off outside unit power before installaion.Separate front 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
* Separate of Oil_Level harness
* Tighten the screw from bottom to the top direction.
CAUTION
Be sure to turn off outside unit power before installation.
8 Variable Water Flow Controller Kit
Installation Method
Connect a power cable (AC 24V) of water flow control valve 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.
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AO_1
Installation manual 9
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