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Application Information M5MSY-2010
Water Drainage Piping
The indoor drain pipe must be downward gradient for smooth drainage. Avoid situation as shown in fi gure
below.
End
dipped
into
water
Water
leaking
Water
leaking
Water
leaking
Wrong
Wrong
Wrong
Drain
Water Drainage
Water
Retention
Correct
Drain work. (Heat Pump Unit Only)
1) Use drain plug for drainage.
2) If the drain port is covered by a mounting base or fl oor surface, place additional foot bases of at least 30mm
in height under the outdoor unit’s feet.
3) In cold areas, do not use a drain hose with the outdoor unit. (Otherwise, drain water may freeze, impairing
heating performance.)
Drain-water hole
Bottom frame
Drain plug
Hose (available commercially,
inner dia. 16mm)
•
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