3
1
PWFY-P140VM-E1/E2-AU or PWFY-P100VM-E-BU
2
Strainer
3
Flow Switch (PWFY-P140VM-E1/E2-AU ONLY)
*3
4
Shut off valve
*1
5
Temperature gauge
*1
6
Pressure gauge
*1
7
Deaerator (Air separator)
*1
8
Air vent
*1
9
Safety valve
*1
0
Expansion tank (closed type)
*1
a
Buffer vessel (if necessary)
*1 *2
b
Drain valve
*1
c
Backflow preventer
*1
d
Antivibration sleeve
*1
e
Fix speed pump
*1
f
Dirt separator (if necessary)
*1
g
Tank, plate heat exchanger or low-loss header
*1 *2
*1 These items are field supplied.
*2 Water volume (=
a
+
g
) is complied with Fig.7.1.5 per PWFY-P140VM-E1/E2-AU
*3 As for flow switch setting, please refer to “7.4 Pump interlock”
A
Primary
B
2ndary (Depend on site)
C
Water Supply
T P
T P
P
1
2
3
4
4
4
4
4
4
e
5
5
6
6
g
b
0
6
9
A
B
C
a
b
c
f
d
d
8
7
Single system sample
[Fig. 7.1.3]
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 responsible for any problems arising from the use of this circuit.
3
1
1
1
5
6
5
6
5
3
3
6
5
6
5
6
5
6
4
4
4
2
2
2
d
d
d
d
d
d
4
4
e
4
4
e
4
4
e
f
b
0
6
7
9
4
4
4
g
b
a
A
C
B
c
8
Multiple system sample
T
P
P
T
P
T
P
T
P
T
P
T
P
[Fig. 7.1.4]
Note: The figure above shows a sample water circuit. This circuit is provided only as a reference, and Mitsubishi Elec-
tric Corporation shall not be held responsible for any problems arising from the use of this circuit.
WT07507X01.book 3 ページ ２０１４年１２月１７日 水曜日 午前９時３６分
