Daikin FWF02AATNMV1 Installationshandbuch Seite 5

4. Drain Pump Work
Indoor Unit
Pipe Clamp
Good
5. Drain Test
Feed Water
Flexible Drain Hose
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 connec-
tion 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. Panel Installation
OPEN
• Drain pipe must be in downward gradient for smooth drain-
• Avoid installing the drain pipe in up and down slope to pre-
• During the drain pipe connection, be careful not to exert extra
• The outside diameter of the drain connection at the flexible
• Be sure to execute heat insulation (polyethylene foam with
Bad
Main Drain Pipe
Gate Valve
3 Way Valve
FCU
Gate Valve
Good Control
• Be sure to remove the installation template before installing the
front panel.
• Open the air intake grille by pulling back the catchers and re-
moving 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
From
Front
Panel
Screw
age.
vent reversed water flow.
force on the drain connector at indoor unit.
drain hose is 20mm.
thickness more than 8.0mm) on the drain piping to avoid the
condensed water dripping inside the room.
• Connect the main drain pipe to the flexible drain.
• Feed water from flexible drain hose to check the piping for leak-
age.
• 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 leak-
age or condensation around the air outlet.
Gate Valve
2 Way Valve
FCU
Gate Valve
Bad Control
will cause condensation and water dripping.
LED Wire
Air Swing Wire
3
Gate Valve
FCU
Gate Valve
Worst Control
From
Control
Box