Mitsubishi Electric Ecodan EHSC series Installation Manual page 10

3
Technical Information
<EHPX> (Packaged model system)
<Figure 3.5>
3.8
3
A B
<Figure 3.6>
9
4
C D
Number Component
 Control and electrical box
2 Main controller
3 Manometer
4 Expansion vessel
5 Expansion vessel charge valve
6 Automatic air vent
7 Booster heater
8 Drain cock
9 Water circulation pump

10 Pressure relief valve
 Flow switch
3 Strainer valve
Inlet from space heating/Indirect DHW tank (pri-
A
mary return)
B Inlet from heat pump
C Outlet to heat pump
Outlet to space heating/Indirect DHW tank (primary
D
flow)
2
Discharge from pressure relief valve (installer to
E
pipe connect to suitable drain point)
3
6
5
7
8
9

10
E
<Table 3.4>