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< Heat Recovery System >
< Front Side Piping Connection >
< Downward Piping Connection >
NOTE:
The figure shows the case that the refrigerant pipes are pulled out from the front side piping
cover. They can be also pulled out from the bottom base hole.
Piping Size For Outdoor Unit
18
72 96 120 144 168
Low Pressure Gas 3/4(19.05) 7/8(22.2) 1(25.4) 1(25.4)
High/Low
Pressure Gas
5/8(15.88)
Liquid 3/8(9.53) 1/2(12.7)
Model (kBtu/h)
Piping
Size
(φmm)
a
Min.19-11/16in.
(500mm)
192
5/8(15.88)
Outdoor Unit A
Outdoor Unit B
Outdoor Unit C
Low Pressure Gas Piping
(Field-Supplied)
Low Pressure Gas Piping
(Field-Supplied)
Low Pressure Gas Piping
(Field-Supplied)
High/Low Pressure Gas
Piping (Field-Supplied)
High/Low Pressure Gas
Piping (Field-Supplied)
High/Low Pressure Gas
Piping (Field-Supplied)
Liquid Piping (Field-Supplied)
Manifold Pipe 2
(Liquid)
Liquid Piping (Field-Supplied)
Liquid Piping
(Field-Supplied)
Manifold Pipe 2 (Low
Pressure Gas)
Manifold Pipe 1 (Low
Pressure Gas)
Manifold Pipe 2 (High/
Low Pressure Gas)
Manifold Pipe 1 (High/
Low Pressure Gas)
Manifold Pipe
1
(Liquid)
Bending Pipe
Bending Pipe
(Field-Supplied)
(Field-Supplied)
(Field-Supplied)
(Field-Supplied)
Bending Pipe
Bending Pipe
Outdoor Unit C
Low Pressure Gas Piping
(Field-Supplied)
High/Low Pressure Gas
Piping (Field-Supplied)
Liquid Piping
(Field-Supplied)
Manifold Pipe 2 (Low
Pressure Gas)
Manifold Pipe 1 (Low
Pressure Gas)
Manifold Pipe 2 (High/
Low Pressure Gas)
Manifold Pipe 1 (High/
Low Pressure Gas)
Manifold Pipe 2 (Liquid)
Manifold Pipe 1 (Liquid)
Low Pressure Gas Piping
(Field-Supplied)
High Pressure Gas Piping
(Field-Supplied)
Liquid Piping
(Field-Supplied)
Outdoor Unit B
Accessory Pipe
Gas Accessory Pipe
(Field-Supplied)
(Field-Supplied)
(Field-Supplied)
(Field-Supplied)
Outdoor Unit A
Bending Pipe
Bending Pipe
unit:in.(mm)
3/8(9.53)
3/4(19.05)
7/8(22.2)
7/8(22.2)
7/8(22.2)
7/8(22.2)
1/2(12.7)
1/2(12.7)
1-1/8(28.6)
1-1/8(28.6)
Low Pressure Gas
Piping
There are three piping connections in outdoor
units
High/Low Pressure
Gas Piping
Liquid Piping
<View-P>
NOTE:
I.
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