34
Option
Option
Option
Option
Option
Option
Option
Option
Option
OptionOption
2 Expansion tank (option)
3 Discharge valve
5 Air purge
6 Water drain valve
7 Pressure sensor
Note: Gives pump suction pressure information (see regulation manual)
Note: Gives heat exchanger leaving temperature information (see regulation
manual)
Note: Gives heat exchanger entering temperature information (see regulation
manual)
10 Pressure sensor
Note: Gives heat exchanger leaving pressure information (see regulation manual)
12 Plate heat exchanger
13 Heater or tracer for frost protection (Option)
14 Flow sensor for water heat exchange
16 Thermowell
17 Air purge
21 Pressure gauge
23 Charge valve
--- Hydronic module (unit with hydronic module)
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