Hisense AVWT-408FHFSHA Installation Manual page 26

< Heat Recovery System >
Manifold Pipe 1 (High/
Low Pressure Gas)
Low Pressure Gas Piping
(Field-Supplied)
High/Low Pressure Gas
Piping (Field-Supplied)
Liquid Piping
(Field-Supplied)
Bending Pipe
(Field-Supplied)
Liquid Piping (Field-Supplied)
High/Low Pressure Gas
Piping (Field-Supplied)
Low Pressure Gas Piping
(Field-Supplied)
Manifold Pipe 2
(Liquid)
< Front Side Piping Connection >
Low Pressure Gas Piping
(Field-Supplied)
High Pressure Gas Piping
(Field-Supplied)
Liquid Piping
(Field-Supplied)
Manifold Pipe 1 (High/
Low Pressure Gas)
Manifold Pipe 1 (Liquid)
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.
Model (kBtu/h)
Low Pressure Gas
Piping
Size a
Pressure Gas
(φmm)
NOTE:
If you need to change the piping size for connection, please use the accessory pipe.
Outdoor Unit A
Manifold Pipe 1 (Low
Pressure Gas)
Manifold Pipe 2 (High/
Bending Pipe
Low Pressure Gas)
(Field-Supplied)
Manifold Pipe 2 (Low
Pressure Gas)
Bending Pipe
(Field-Supplied)
Bending Pipe
(Field-Supplied)
Liquid Piping (Field-Supplied)
High/Low Pressure Gas
Piping (Field-Supplied)
Outdoor Unit A
Manifold Pipe 1 (Low
Pressure Gas)
Accessory Pipe
(Field-Supplied)
Bending Pipe
(Field-Supplied)
Manifold Pipe 2 (Low
Pressure Gas)
Bending Pipe
Manifold Pipe 2 (High/
(Field-Supplied)
Low Pressure Gas)
Low Pressure Gas Piping
Manifold Pipe 2 (Liquid)
(Field-Supplied)
High/Low Pressure Gas
Piping (Field-Supplied)
< Downward Piping Connection >
Piping Size For Outdoor Unit
72
3/4(19.05)
High/Low
5/8(15.88)
Liquid 3/8(9.53)
Outdoor Unit B
Outdoor Unit C
Low Pressure Gas Piping
(Field-Supplied)
Outdoor Unit B
Outdoor Unit C
Gas Accessory Pipe
(Field-Supplied)
Liquid Piping
(Field-Supplied)
96 120
7/8(22.2) 1(25.4) 1(25.4)
7/8(22.2)
3/4(19.05) 7/8(22.2)
1/2(12.7)
3/8(9.53) 1/2(12.7)
18
<View-P>
Min.19-11/16in.
(500mm)
Low Pressure Gas
Piping
There are three piping connections in outdoor
units
unit:in.(mm)
144 168
192
1-1/8(28.6)
1-1/8(28.6)
7/8(22.2)
7/8(22.2)
1/2(12.7) 5/8(15.88)
Liquid Piping
High/Low Pressure
Gas Piping