Daikin FWG05AATNMV1 Manuel D'installation page 7

6. Water Piping Connection
• The indoor unit is equipped with water outlet and inlet connection. There is an air-vent that is fitted along with the
connection for air purging.
• 3 ways valve is required for cycling off or bypass the chilled water.
• Black steel pipe, polyethrene pipe and copper tube are recommended in the field installation. All types of piping and
connection must be insulated with polyethrene (ARMAFLEX type or equivalent) to avoid condensation.
• Do not used contaminated or damaged pipe and fitting for installation.
• Some main fitting components are needed in the system to enhance the capacity and ease the service, such as gate
valve, balancing valve, 2 ways or 3 ways valve, filter, strainer and etc.
Chiller
7. 4 Pipe system
Note :
• Water Inlet 1* must couple with Water Outlet 1 and Access Valve 1. (*1 connection to chiller)
• Water Inlet 2* must couple with Water Outlet 2 and Access Valve 2. (*2 connection to Boiler)
• Valve cap of Access Valve 1 is painted red for identification.
• All union joints are to be screwed in together with an "O" -ring. Apply Teflon white tape on the screw threads to ensure
leak proof joints.
• Secure all screw connection tightly to prevent leakage.
1 IM-CKEW(DC)-1013(1)DAIKIN-EN.i5 5 1 IM-CKEW(DC)-1013(1)DAIKIN-EN.i5 5
Gate Valve
3 Way Valve
FCU
Gate Valve
Good Control
WATER OUTLET 1
ACCESS VALVE 1
1-5
Gate Valve
2 Way Valve
Gate Valve
FCU
Gate Valve
Gate Valve
Bad Control
WATER INLET 1
WATER INLET 2
WATER OUTLET 2
ACCESS VALVE 2
FCU
Worst Control
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