Product Description; Basic System Diagram - Vaillant aroSTOR VWL BM 270/5 Installation And Maintenance Instructions Manual

3

Product description

3.1

Basic system diagram

Validity: aroSTOR VWL BM 200/5, aroSTOR VWL BM 270/5
12
11
10
9
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
0020290840_00 aroSTOR Installation and maintenance instructions
13
8
HP
7
6
5
3 4
2
1
Product description 3
14
15
16
18
19
20
21
22
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
17
7