4 Description of the product
4.1
Main components
1 Safety valve
2 Exchanger
3 Air vent
4 PCB box
5 Low-loss header
6 Pressure gauge
7 (HMI) user interface
8 Expansion vessel
9 Circulating pump
10 Flow meter
1 Safety valve
2 Exchanger
3 Air vent
4 Low-loss header with electrical back-up
5 PCB box
6 Pressure gauge
7 (HMI) user interface
8 Expansion vessel
9 Circulating pump
10 Flow meter
1 HPC–01 PCB: PCB for interface with the outdoor unit
2 EHC–04 central unit PCB: Control system for the heat pump and
the first heating circuit
4.2
Operating principle
The outdoor unit produces heat or cold and transfers it to the indoor
module via the refrigerant in the plate exchanger.
The indoor module is equipped with a specific control system which is
used to adjust the temperature of the heating water to the needs of the
home.
Fig.13
SYSMGR PBS-H
MW-3000535-02
9
2
3
5
4
7
6
1
10
8
Fig.14
SYSMGR PBS-MRE
MW-3000534-02
9
2
3
4
5
7
6
8
1
10
Fig.15
Position of the PCBs
MW-3000587-01
1
2
4 Description of the product
7706696 - v04 - 11102018
AWHP-2 PBS-i
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