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(2) After performing a leak test, wrap the refrigerant tubing and
drain hose together with insulating tape (Fig. 3-36).
Insulating tape
Drain hose
Then fit the tubing into the tubing storage space in the rear
of the indoor unit and clamp in place.
(3) Adjust the indoor unit so that it is securely mounted on the
rear panel.
3-12. Installing the Drain Hose
a) The drain hose should be slanted downward to the outside.
(Fig. 3-37)
Indoor unit
b) Never allow water traps to be formed in the course of the
hose.
c) If the drain hose will run in the room, insulate* the hose so
that chilled condensation will not damage furniture or floors.
* Foamed polyethylene or its equivalent is recommended.
WARNING
Do not supply power to the unit or operate it until all tubing
and wiring to the outdoor unit are completed.
Refrigerant tubing
Rear panel
Inter-unit wiring
Fig. 3-36
Slant
Refrigerant
tubing
Fig. 3-37
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