Product description 3
0020290840_00 aroSTOR Installation and maintenance instructions
7
3
Product description
3.1
Basic system diagram
Validity:
aroSTOR VWL BM 200/5, aroSTOR VWL BM 270/5
HP
7
1
3 4
9
6
2
5
8
17
14
15
16
12
13
10
11
18
20
21
22
19
1
Domestic hot water cylinder
2
Heating coil
3
Immersion heater temperature cut-out
4
Immersion heater safety cut-out
5
External condenser
6
Domestic hot water cylinder temperature sensor
7
Compressor
8
Pressure switch
9
Sensor head thermostatic expansion valve
10
Fan
11
Air inlet temperature sensor
12
Evaporator
13
Defrosting sensor
14
Thermostatic expansion valve
15
Thermostatic expansion valve capillary
16
Defrosting valve
17
Drainage filter
18
Domestic hot water flow
19
Hot water circulation
20
Back-up heater water inlet
21
Back-up heater water outlet
22
Cold water inlet
