Hisense HCHM-N04X, Installation Manual, Page: 26 / 37

HCHM-N12X
Unit: mm (inch)
Piping Connection
Size for
Switch Box
Required
Pipe Size
Field-Supplied Remarks
Low Pressure
Gas Pipe (A)
ɸ28.58
(1-1/8)
ɸ22.2
(7/8)
OD28.58
(1-1/8) →
ID22.2
(7/8)
Apply Field-Supplied Reducer
(2 Size Down)
ɸ25.4
(1)
OD28.58
(1-1/8) →
ID25.4
(1)
Apply Field-Supplied Reducer
ɸ28.58
(1-1/8)
- -
f
34.93
(1-3/8)
OD28.58
(1-1/8) →
ID34.93
(1-3/8)
Apply Field-Supplied Reducer
High/Low
Pressure
Gas Pipe (B)
ɸ25.4
(1)
f
19.05
(3/4)
OD25.4
(1)
→ ID19.05
(3/4)
Apply Field-Supplied Reducer
(2 Size Down)
ɸ22.2
(7/8)
OD25.4
(1)
→ ID22.2
(7/8)
Apply Field-Supplied Reducer
ɸ25.4
(1)
- -
ɸ28.58
(1-1/8)
OD25.4
(1)
→ ID28.58
(1-1/8)
Apply Field-Supplied Reducer
Liquid Pipe (C)
ɸ15.88
(5/8)
f
9.52
(3/8)
OD15.88
(5/8)
→ ID9.52
(3/8)
Apply Field-Supplied Reducer
(2 Size Down)
ɸ12.7
(1/2)
OD15.88
(5/8)
→ ID12.7
(1/2)
Apply Field-Supplied Reducer
f
15.88
(5/8)
- -
f
19.05
(3/4)
OD15.88
(5/8)
→ ID19.05
(3/4)
Apply Field-Supplied Reducer
HCHM-N16X
Unit: mm (inch)
Piping Connection
Size for Switch Box
Required
Pipe Size
Field-Supplied Remarks
Low Pressure
Gas Pipe (A)
ɸ31.75
(1-1/4)
ɸ22.2
(7/8)
OD31.75
(1-1/4) →
ID22.2
(7/8)
Apply Field-Supplied Reducer
(3 Size Down)
ɸ25.4
(1)
OD31.75
(1-1/4) →
ID25.4
(1)
Apply Field-Supplied Reducer
(2 Size Down)
ɸ28.58
(1-1/8)
OD31.75
(1-1/4) →
ID28.58
(1-1/8)
Apply Field-Supplied Reducer
f 31.75
(1-1/4)
- -
High/Low
Pressure
Gas Pipe (B)
ɸ28.58
(1-1/8)
f 19.05
(3/4)
OD28.58
(1-1/8) →
ID19.05
(3/4)
Apply Field-Supplied Reducer
(3 Size Down)
ɸ22.2
(7/8)
OD28.58
(1-1/8) →
ID22.2
(7/8)
Apply Field-Supplied Reducer
(2 Size Down)
ɸ25.4
(1)
OD28.58
(1-1/8) →
ID25.4
(1)
Apply Field-Supplied Reducer
ɸ28.58
(1-1/8)
- -
Liquid Pipe (C)
ɸ19.05
(3/4)
f 9.52
(3/8)
OD19.05
(3/4)
→ ID9.52
(3/8)
Apply Field-Supplied Reducer
(3 Size Down)
ɸ12.7
(1/2)
OD19.05
(3/4)
→ ID12.7
(1/2)
Apply Field-Supplied Reducer
(2 Size Down)
f 15.88
(5/8)
OD19.05
(3/4)
→ ID15.88
(5/8)
Apply Field-Supplied Reducer
f 19.05
(3/4)
- -
17