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