Hitachi FSXN Series Service Manual page 43

3 Piping work and
refrigerant charge
(1)
only for heat recovery systems.
N O T E
Please contact your HITACHI distributor if any of the accessories has not been supplied with the unit.
3.1.3 Pipe connection kit
¿
SET FREE FSXN (two pipes)
Key:
ID: inner diameter.
OD: outer diameter.
Gas line
ID15.88
ID19.05
ID25.4 ID22.2
ID28.6
Ø25.4
Ø28.6
B Ø25.4
ID25.4
ID28.6
Gas line
ID25.4
ID31.75
ID28.6
ID31.75
ID38.1
Ø31.75
Ø38.1
B
ID34.9
Ø31.75
ID31.75
Gas line
ID25.4
ID31.75 ID28.6
ID38.1 ID31.75
Ø31.75
Ø38.1
B
A
Ø31.75
ID31.75
Gas line
ID25.4
ID31.75 ID28.6
ID31.75
ID38.1
Ø31.75
Ø38.1
C
ID34.9
Ø31.75
ID31.75
36
SMGB0065 rev. 1 - 12/2010
Quantity: 1.
All measurements are in mm.
Gas line reducer
OD25. 4
ID25.4
ID22.2
ID19.05
ID22.2 ID19.05
OD22. 2
A
OD19.05
ID15.88
Gas line reducer
OD38.1
ID41.3
OD31.75
ID31.75
ID28. 6
ID25. 4
ID25. 4
A
ID28. 6
OD31.75
MC-30AN Connection kit 1
Gas line reducer
OD31.75
ID31.75
ID28.6
ID25.4
ID31.75 ID28.6
D
OD31.75
OD38.1
ID41.3
OD31.75
ID34.9
MC-30AN Connection kit 2
Gas line reducer
OD31.75
ID31.75
ID28.6
ID25.4
ID25.4
ID28.6
OD31.75
A
OD31.75
ID28.6
A: towards the outdoor unit.
B: towards the indoor unit.
MC-20AN
Liquid line
ID15.88
ID12.7
ID15.88
ID19.05
Ø19.05
Ø25.4
B
Ø19.05
ID19.05
MC-21AN
Liquid line
ID15.88
ID12.7
ID15.88
ID19.05
Ø19.05
Ø25.4
B
Ø19.05
ID19.05
Liquid line
ID9.53
ID15.88 ID12.7
ID15.88
ID19.05
Ø19.05
Ø25.4
B
Ø19.05
ID19.05
Liquid line
ID15.88 ID12.7
ID15.88
ID19.05
Ø19.05
Ø25.4
C
Ø19.05
ID19.05
C: towards connection kit 1.
D: towards connection kit 2.
Liquid line reducer
ID9.53
OD19.05
ID15.88
ID12.7
ID9.53
A
Liquid line reducer
ID9.53
OD19.05
ID15.88
ID12.7
ID9.53
A
Liquid line reducer
OD19.05
D
ID15.88
ID12.7
ID9.53
A
Liquid line reducer
ID9.53
OD19.05
ID15.88
ID12.7
ID9.53
OD15.88
A
ID19.05