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Water Piping Connection
The indoor unit is equipped with water outlet and inlet threaded connection. There is an air-vent for air purging that is fitted at
the outlet water header.
3 ways valve is required for cycling off or bypass the chilled water.
Black steel pipe, polyuthrene pipe, PVC pipe and copper tube are recommended in field installation.
All types of piping and connection must be insulated by polyurethane (ARMAFLEX type or equivalent) to avoid condensation.
Do not use contaminated or damaged pipe and fitting for installation.
Some main fitting components are needed in the system to enhance the capacity and ease of service, such as gate valve, balancing
valve, 2 ways or 3 ways valve, filter, strainer, etc.
Gate Valve
Three Way Valve
Gate Valve
Two Way Valve
Gate Valve
Chiller
Gate Valve
Good Controlling
Bad Controlling
Gate Valve
FCU
FCU
FCU
Worst Controlling
Gate Valve
ELECTRICAL WIRING CONNECTION
Model
FWT02/03/04/05/06
Voltage range**
220V – 240V/~/50Hz +
!
Power supply cable size*
mm
2
Number of conductors
1.5
3
Recommended time delay fuse
A
2
All wires must be firmly connected.
All wires must not touch the water piping, or any moving
parts of the fan motor.
The connecting wires to the indoor unit must be clamped
on the wire clamps as shown in the figure.
The power supply cord must be equivalent to H07RN-F
which is the minimum requirement, and to be used in
protective tube.
•
•
•
•
Wire Clamp
Interconnection
Cable
IMPORTANT :
*
These values are for information only, they should be checked and selected to comply with the local and/or
national codes and regulations. They are also subjected to the type of installation and size of conductors.
** The appropriate voltage range should be checked with data label on the unit.
There must be an all pole disconnection in the supply mains with a contact separation of at least 3mm.
Power Supply Cable
This is proposed wiring connection. It may change subject to the chiller unit and must comply with the local and national
code and regulations.
Wire connection to the controller board is as show in the wiring diagram on the respective terminal box.
The standard controller board comes with a VALVE jumper and a HEAT jumper. The system must be configurated as the
jumper selection listed below:
Example: If the unit is running “Heatpump Mode & Valveless Application”, remain the HEAT jumper while remove the
VALVE jumper.
HEAT Jumper
VALVE Jumper
Cooling Mode & Valve Application
x
P
Cooling Mode & Valveless Application
x
x
Heatpump Mode & Valve Application
P
P
Heatpump Mode & Valveless Application
P
x
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Содержание FWT02CATNMV1
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