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Installation Manual 5
ENGLISH
Features & Installation Part
Features
Installation Part
• Installation Manual
• Hanging bolts (4 x M10 or M8, Nut(8 x M10 or M8), Flat washers(8 x M10)
• Reducers
Control Box
Connection Pipe
(to outdoor unit)
Connection Pipe
(to outdoor unit)
Coil assembly, Solenoid
Connection Pipe
(to indoor unit)
Model
Max. Connectable No. of Indoor Units
Max. Connectable No. of Indoor Units of a branch
Net. Weight kg
lbs
Dimensions mm
(WxHxD) Inch
Casing
Connecting Pipes Indoor Liquid Pipe [mm/inch]
side Gas Pipe [mm/inch]
Outdoor Liquid [mm/inch]
side Low Pressure [mm/inch]
High Pressure [mm/inch]
Sound Absorbing Insulation Material
Power Supply
PRHR021A PRHR031A PRHR041A
16 24 32
8 8 8
18 20 22
39.7 44.1 48.5
801x218x632 801x218x632 801x218x632
31.5x8.6x24.9 31.5x8.6x24.9 31.5x8.6x24.9
Galvanized steel plate
Ø9.52[3/8] – Ø6.35[1/4]
Ø15.88[5/8] – Ø12.7[1/2]
Ø9.52[3/8] Ø12.7[1/2] Ø15.88[5/8]
Ø22.2[7/8] Ø28.58[1-1/8] Ø28.58[1-1/8]
Ø19.05[3/4] Ø22.2[7/8] Ø22.2[7/8]
Polyethylene Foam
1Ø, 208/230V, 60Hz
Models
High pressure
Gas pipe
Low pressure
Liquid pipe
HR unit
reducer
PRHR021A
OD22.2(7/8) Ø19.05(3/4) Ø15.88(5/8)
Ø6.35(1/4)OD9.52(3/8)
OD19.05(3/4) Ø15.88(5/8)
OD12.7(1/2)
Ø9.52(3/8)
Ø12.7(1/2)
OD22.2(7/8) Ø19.05(3/4) Ø15.88(5/8)
OD15.88(5/8) Ø12.7(1/2)
OD12.7(1/2) Ø9.52(3/8)
PRHR031A/
PRHR041A
OD19.05(3/4) Ø15.88(5/8)
OD28.58(1-1/8) Ø22.2(7/8) Ø19.05(3/4)
OD15.88(5/8) Ø12.7(1/2) Ø9.52(3/8)
OD15.88(5/8) Ø12.7(1/2)
[Unit : mm(inch)]
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