3
8
8.1
[Fig. 8.1.1]
[Fig. 8.1.2]
A
: Main circulating water pipe
D
: Water outlet (upper)
G
: Water inlet (lower)
B
: Shutoff valve
E
: Refrigerant pipes
H
: Drain pipe
C
: Shutoff valve
F
: Y-type strainer
C
A
G
D
H
E
B
F
Heat source unit sample installation
A
: Heat source unit
D
: Shutoff valve *1
G
: Backflow prevention valve
J
: 3-way valve
B
: Strainer *1
E
: Temperature gauge *1
H
: Pump
K
: Cooling tower
C
: Flow Switch *1*2
F
: Pressure gauge *1
I
: Flexible joint
L
: Heating tank
C
D
B
D
P T
F E
P T
F E
C
D
B
D
P T
F E
P T
F E
C
D
B
D
P T
F E
P T
F E
C
D
B
D
P T
F E
P T
F E
J
A
A
A
A
L
K
G
H
B
J
I
System example of water circuit
*1 These items are field supplied.
*2 As for flow switch setting, please refer to "8.4 Pump interlock".
Note: The figure above shows a sample water circuit. This circuit is provided only as a reference, and Mitsubishi Electric Corporation shall not be held for any problems arising from
the use of this circuit.