Mitsubishi Electric CITY MULTI PWFY-P100VM-E-BU Installationshandbuch Seite 3

[Fig. 7.1.3]
Single system sample
1
5 6
3
T P
5 6
4
T P
d
4
2
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.
[Fig. 7.1.4]
Multiple system sample
1
5 6
3
T P
5 6
4
T P
2
1
5 6
3 T P
5 6
4
T P
2
1
5 6
3
T P
5 6
4
T P
2
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.
1 PWFY-P140VM-E1/E2-AU or PWFY-P100VM-E-BU
2 Strainer
3 Flow Switch (PWFY-P140VM-E1/E2-AU ONLY)
*1
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 *2
a Buffer vessel (if necessary)
*1
b Drain valve
*1
c Backflow preventer
*1
d Antivibration sleeve
*1
e Fix speed pump
*1
f Dirt separator (if necessary)
g Tank, plate heat exchanger or low-loss header
*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
6
9
P
b
0
A
7
8 4
f
d
a
4
c 4
e
4
b
C
d
d
4
4
e
d
d
4 4
e
d
d
4
4
e
*3
*1 *2
B
g
6
9
P
b
0
7
8
c a
f
4
b
C
A B
4
4
g
3