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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.
Main Drain Pipe
Feed Water
Flexible Drain Hose
5. Drain Test
• Connect the main drain pipe to the flexible drain.
• Feed water from flexible drain hose to check the piping for leakage.
• When the test is completed, connect the flexible drain hose to the
drain connector on the indoor unit.
Note: This Indoor Unit uses a drain pump for condensed water drainage.
Install the unit horizontally to prevent water leakage or
condensation around the air outlet.
7. Panel Installation
• Be sure to remove the installation template before installing the front panel.
• Open the air intake grille by pulling back the catchers and removing it together
with filter from panel.
• Install the front frame panel onto the indoor unit by 4 screws and tighten it
completely to prevent cool air leakage.
• Connect the LED wire and air swing wire to the indoor unit.
Note:
Install the front panel firmly to prevent cool air leakage which will cause
condensation and water dripping
From
Front
Panel
LED Wire
Air Swing Wire
OPEN
Screw
Chiller
FCU
FCU
FCU
Good Control Bad Control Worst Control
Gate Valve
Gate Valve
Gate Valve
Gate Valve
Gate Valve
Gate Valve
2 Way Valve
3 Way Valve
From
Control
Box
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