4
7
Technical Information
3
GB
Component Parts
<Figure 3.2>
<Figure 3.1>
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
A
Inlet from space heating/Indirect DHW tank (pri
-
mary return)
B
Outlet to space heating/Indirect DHW tank
(primary flow)
C
Refrigerant (Liquid)
D
Refrigerant (Gas)
E
Discharge from pressure relief valve (installer to
pipe connect to suitable drain point)
<Table 3.2>
2
3
6
5
7
8
9
10
2
3
E
<EHSC-*M*B> (Split model system)
A
B
C
D
