ED34-862
Installation
FXLQ-MA / FXNQ-MA
379
11
Drain Piping Work
〈〈
Rig the drain pipe as shown below and take measures against condensation. Improperly rigged piping
could lead to leaks and eventually wet furniture and belongings.
〉〉
(1) Carry out the drain piping.
Connect the drain hose (1) using the attached hose and parts, as shown in the right drawing.
• If converging multiple drain pipes, install according to the procedure shown below.
Select converging drain pipes whose gauge is suitable for the operating capacity of the unit.
(2) After piping work is finished, check drainage flows smoothly.
• Add approximately 1 liter of water slowly from the air outlet and check drainage flow.
(3) Be sure to insulate all indoor pipes.
CAUTION
• Drain piping connections
Do not connect the drain piping directly to sewage pipes that smell of ammonia. The ammonia in the sewage might enter
the indoor unit through the drain pipes and corrode the heat exchanger.
• Keep in mind that it will become the cause of getting drain pipe blocked if water collects on drain pipe.
C : 3P086154-2N
3/4 B drain pipe
50 or more
Drip pan
Metal clamp
(accessory) (2)
Drain hose
(accessory) (1)
Cut to suitable length
(length : mm)
Piping process
inside unit
Tilt
Slope downwards at a gradient
of at least 1/100
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