Rpk - Wall Type - Hitachi FSG1 Series Technical Catalogue

REFRIGERANT PIPING AND REFRIGERANT CHARGE
13
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13.4.5. RPK – WALL TYPE
Piping Direction for the Indoor Unit:
Three directions of piping connection to the indoor unit
can be performed; rear side, right side and left side of the
unit, respectively. Therefore, most appropriate piping for
a room can be selected.
1. Right Side Piping
Cut the corner using a
plastic cutter as shown
below and remove sharp
edges completely.
2. Left Side Piping
Cut the corner at the left
side using a plastic cutter
as for the right side
piping.
3. Rear Side Piping
Make a hole by removing
the knock-out plate at the
rear side.
Right Side
Cover
Plastic Cutter
Cut this corner
Left Side
Cover
Right
Side
Cover
Right Side Cover
When bending the tubes, firmly fix the tube at the heat
exchanger side.
For Left Side
Insulation
Piping
L1
Position of piping connection
Gas Piping
L1 550
L2 427
Piping size
Gas Piping
RPK-1.0
Æ 12.7 (1/2)
RPK-1.5
RPK-2.0
Æ 19.05 (3/4)
RPK-2.3
&
CAUTION:
When bending the tubes, pay attention to the dew
protection heater covered with insulation.
Contour of the Unit
123
For Right Side Piping
L2
For Rear Side Piping
Liquid Piping
480
357
Liquid Piping
Æ 6.35 (1/4)
Æ 9.53 (3/8)