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 fi tted 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 fi eld 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 fi tting for installation.
Some main fi tting 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, fi lter, strainer, etc.
Chiller
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.
Model
Voltage range**
Power supply cable size*
Number of conductors
Recommended time delay fuse
•
All wires must be fi rmly 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 fi gure.
•
The power supply cord must be equivalent to H07RN-F
which is the minimum requirement, and to be used in
protective tube.
VALVE N1
3wv
Gate Valve
Three Way Valve
FCU
Gate Valve
Good Controlling
ELECTRICAL WIRING CONNECTION
FWT02/03/04/05/06
FCU3
N
L
VALVE N1
3wv
x1
Gate Valve
Two Way Valve
FCU
Gate Valve
Bad Controlling
220V – 240V/1Ph/50Hz + !
2
mm
A
Wire Clamp
Interconnection
Cable
FCU2
N
L
VALVE N1
3wv
x2
Chiller
1-6
Gate Valve
FCU
Gate Valve
Worst Controlling
FWT02/03/04/05/06
1.5
3
2
Power Supply Cable
FCU1
N
L
N
T
S
R
x3
3 way valve
3WV
x1x2x3
Relay (220-240V, 10A)