Appendix; A Basic System Diagram - Vaillant aroSTOR VWL B 270/5 Installation And Maintenance Instructions Manual

Appendix

A Basic system diagram
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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
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8
HP
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3 4
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1
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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 Connection for the circulation circuit
20 Cold water connection
Installation and maintenance instructions 8000015884_00
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