4 Description of the product
4.1
Operating principle
The outdoor unit produces heat 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.
4.2
Main components
With electrical back-up
1 Automatic air vent
2 Low-loss header (40l)
3 Heat pump circulating pump
4 Plate heat exchanger
5 Heat pump flow temperature sensor (PT1000)
6 Flow meter
7 Switching control panel unit
8 Electrical diagram
9 Safety valve
10 Electronic pressure gauge
11 Expansion vessel
12 Magnetic filter
13 Heat pump return temperature sensor (PT1000)
14 Heating circulating pump
15 Electric preheater
16 PCB for controlling the electric preheater
17 Automatic air vent
18 Heating flow temperature sensor
Position of the PCBs
Marker PCB
Function
1
CB04 optional PCB
Filling kit
2
SCB-10 PCB
Additional heating and domestic hot
water circuits
3
AD249 PCB (option)
Management of heating circuit C1
and auxiliary circuit AUX1
4
EHC–05 central unit PCB Control system for the heat pump,
first heating circuit and domestic
hot water
5
HPC–01 PCB
Interface PCB for the outdoor unit
Fig.11
MW-1001189-3
3
15
17
4
6
13
12
5
7
8
1
10
9
11
16
14
2
18
Fig.12
MW-1001194-2
3
4
5
1
2
4 Description of the product
20
7762758 - v05 - 19082020
