8. Installation
41
MULTI/SINGLE
Indoor unit
Ceiling Concealed Duct - Middle Static Pressure
8.4.3 Method of Drainage test
Drainage test of indoor unit
Drainage test of indoor unit with drain pump
8.4.4 Connection of an auxiliary(flexible) drain hose
• To connect drain pipe to the drain socket on the indoor unit, an auxiliary flexible drain hose should be used.
auxiliary flexible drain hose allows that the drain pipe can be connected to the socket without breaking by
excessive strain.
CAUTION
– The supplied flexible drain hose should not be curved, neither screwed. The curved or screwed hose may
cause a leakage of water.
– It is need to insulate the auxiliary drain hose with thermal insulation material.
Use the following procedure to test the drainage.
1.In case that there are air filter, remove the air filter first.
2.Spray one or two glasses of water on the evaporator.
3.Check the drainage. Ensure that water flows through drain
hose of indoor unit without any leakage.
Use the following procedure to test the drain pump
operation.
1.Connect the main drain pipe to the exterior and leave it
provisionally until the test comes to an end.
2.Feed water to the flexible drain hose and check the piping
for leakage.
3.Be sure to check the drain pump for normal operating and
noise when electrical wiring is complete.
4.When the test is complete, connect the flexible drain hose
to the drain port on the indoor unit.
※
According to type of indoor unit,
external appearance could be different.
Feed water
Drain pump
Drain pan
Flexible drain hose
(accessory)
Main
drain pipe
Glue the joint
Drain
port
Drain hose connection
Use the clip (accessory)
※
According to type of indoor unit, external appearance could be different.
Indoor Unit
Drain pan
Metal clamp
Thermal insulation(bend area)
Auxiliary drain hose
Thermal insulation (drain pipe area)
※
According to type of indoor unit,
external appearance could be different.
Содержание AMNW07GSJL0
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