4
[Fig. 4.3.1]
C
B
A
D
E
F
[Fig. 4.4.1]
C
A
B
A
1
B
A: 25 cm
B: 1.5 – 2 m
A Downward gradient of more than 1/100
B Insulating material
D Drain discharge port
F Cable tie (accessory)
5
[Fig. 5.1.1]
F
To
A
G
HBC controller sample installation
[Fig. 5.1.2]
A
35
B
G
F
4
A Locally procured insulating material
for pipes
B Bind here using band or tape.
C Do not leave any opening.
D Lap margin: more than 40 mm
E Insulating material (field supply)
F Unit side insulating material
D
E
F
VP-25
G
2
C Supporting bracket
E Drain hose (200 mm long, accessory)
G Hose band (accessory)
B
D
C
E
H
I
(*1)
25
B
H
C
D
E
4.3
4.4
[Fig. 4.4.2]
A
D
A Main-HBC controller/Sub-HBC controller
B Indoor unit
D Please ensure this length is at least 100 mm.
5.1
A Expansion vessel (field supply)
C Strainer (field supply)
E Water inlet
G Drain pipe
I Check valve (field supply)
Note:
*1. Connect the pipes to the water pipes according to the local regulations.
A Indoor unit connection
B Cutting point
C Cut the piping at the cutting point
D Field pipe connection (field supply)
E Field pipe
F Pipe connection (field supply)
G Indoor unit and Sub-HBC connecting port
H Water inlet (EXP. VESSEL)
Note:
• Remove burr after cutting the piping to prevent entering the pipe connec-
tion.
Check that there is no crack at the edge of the piping.
VP-30
B
B
C
3
C Collecting pipe
B Shutoff valve (field supply)
D Pressure reducing valve (field supply)
F Refrigerant pipes
H Pressure gauge (field supply)