Mitsubishi Electric Ecodan EHSC series Installation Manual page 11

3
Technical Information
<ERSC> (Split model system for heating and cooling)
<Figure 3.7>
2
3
4
A B
<Figure 3.8>
4
E
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
2 Plate heat exchanger
3 Strainer valve
4 Drain pan
Inlet from space heating/Indirect DHW tank (pri-
A
mary return)
Outlet to space heating/Indirect DHW tank
B
(primary flow)
2
C Refrigerant (Liquid)
D Refrigerant (Gas)
Discharge from pressure relief valve (installer to
E
pipe connect to suitable drain point)
3
6
5
7
8
9

10
<Table 3.5>
10