5
[Fig. 5.1.1]
F
To A
B
D
C
E
G
H
Example of HBC installation
[Fig. 5.1.2]
J
D
25
D
J
J
EXP.VESSEL
Water inlet port
connecting port
H
A Indoor unit connection
B Sub-HBC connection
C Main-HBC connection
D Cutting point
E Cut the piping at the cutting point
F Field pipe connection (field supply)
G Field pipe
H Pipe connection (field supply)
I Indoor unit and Sub-HBC connecting port
J Water inlet (EXP. VESSEL)
[Fig. 5.1.3]
B
C
F
A Main-HBC
B Sub-HBC
C From Sub-HBC "port B" to Main-HBC "port B"
D From Main-HBC "port A" to Sub-HBC "port A"
E
D
E From Main-HBC "port C" to Sub-HBC "port C"
F From Sub-HBC "port D" to Main-HBC "port D"
D
C
E
F
Note:
•
A
(*1)
B
A
25
D
50
I
Sub-HBC
connecting port
E
F
G
See [Fig. 5.1.5] when connecting valves to
the on-site water pipe.
5.1
A Expansion vessel (field supply)
C Strainer (field supply)
E Water inlet
G Pressure gauge (field supply)
Note:
*1. Connect the pipes to the water pipes according to the local regulations.
*2. Remove the water pipes on the point of outside shutoff valve after finishing
supply water.
D
35
D
I
I
Indoor unit
Main-HBC connecting port
connecting port
Note:
•
Remove burr after cutting the piping to prevent entering the pipe connection.
Check that there is no crack at the edge of the piping.
[Fig. 5.1.4]
D H
or
C
G
or
A
D
J
or
B
C
I
or
B Shutoff valve (field supply)
D Pressure reducing valve (field supply)
F Refrigerant pipes
H Check valve (field supply)
C
A
40
D
40
I
F
A Main-HBC
B Sub-HBC
C Water pipe: From indoor unit
D Water pipe: To indoor unit
E
F
E Strainer (60 mesh or more)
(field supply)
F Shut off valve (field supply)
G Water pipe: From Sub-HBC
F
H Water pipe: To Sub-HBC
I Water pipe: From Main-HBC
J Water pipe: To Main-HBC
E
F
(Unit: mm)
D
35
I
Indoor unit
connecting port
5