Immergas MAGIS M4-30 Use And Installation page 51

Assembly unit
1 Automatic air purge valve
2 Expansion vessel
3 Circulation pump
4 Pressure relief valve
5 Pressure gauge
6 Flow switch
7 Refrigerant gas connection
8 Refrigerant liquid connection
9 Plate heat exchanger
10 Water outlet connection
11 Water inlet connection
12.1 Electrical heating tape
12.2 Electrical heating tape
/ Temperature sensors
2
1
6
10
12.2
T2B
7 Tw_ingresso
9
3
11
12.1
4
Tw_uscita
T2
5
8
e air le in the water circuit will be removed automatically
from the water circuit.
Balances the pressure of the water system.
(Volume of expansion vessel 8 L)
Circulates the water in the water circuit.
Prevents overpressure of the water by opening at 3 bar and drain-
ing water from the water circuit.
Revise the pressure reading of the water circuit
Detects the water ow rate to protect the compressor and the
water pump in case of insu cient water ow.
-
-
Transfers the heat of the refrigerant to the water.
-
-
For heating plates heat exchanger
For the connection pipe heating the expansion vessel.
Four temperature sensors determine the temperature of the water
and of the refrigerant at the various points of the water circuit.
(T2B; T2; TW_out; TW_in).
Explanation