Mitsubishi Electric EHSC-VM2B Service Manual page 9

<EHPX> (Packaged model system)
13
A B
OCH532A
Figure 4-5
C D
Figure 4-6
Number
1
2
3
4
5
6
7
8
9
1
10
11
13
A
B
C
D
2
E
3
4
6
5
7
8
9
11
10
E
9
Component
Control and electrical box
Main controller
Manometer
Expansion vessel
Expansion vessel charge valve
Automatic air vent
Booster heater
Drain cock
Water circulation pump
Pressure relief valve
Flow switch
Strainer valve
Inlet from space heating/Indirect DHW tank (pri-
mary return)
Inlet from heat pump
Outlet to heat pump
Outlet to space heating/Indirect DHW tank (primary
fl ow)
Discharge from pressure relief valve (installer to
pipe connect to suitable drain point)