Hitachi YUTAKI RWM-2R1E Installation & Operation Manual page 64

REFRIGERANT AND WATER PIPING
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Connecting procedure
1 Insert the rubber cap into the drain boss up to the extruded portions.
2 Insert the boss into the unit base and turn approximately 40 degree counterclockwise.
3 Size of the drain boss is
- RAS-(4-10)WH(V)NP: 32 mm (O.D.)
- RASM-(4-6)(V)NE: 32 mm (O.D.)
RASM-(2/3)VRE: 15 mm (O.D)
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4 A drain pipe should be field-supplied.
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N O T E
• Do not use this drain boss set in a cold area, because the drain water may freeze.
• This drain boss is not sufficient to collect all the drain water. If collecting drain water is completely required, provide a drain-pan that is bigger than
the unit base and install it under the unit with drainage.
50 PMML0575 rev.2 - 03/2022
RAS-(4-10)WH(V)NPE
RASM-(4-6)(V)NE
Drain pipe
Drain pipe
Extruded portion
Drain Boss
RASM-(2/3)VRE
Drain hole
100mm
Plastic cap
Plastic cap
Push Push
≥ O.D. ∅15mm
Drain hole
of Base
Rubber cap
Drain hole
Plastic cap
Drain pipe