Installation Instructions

Appendix
0020147164_04 aroTHERM Installation instructions 33
39 Thermostat mixing valve
42a Expansion relief valve
42b Diaphragm expansion tank
42c Diaphragm expansion tank – drinking water
43 Safety group – drinking water connection
48 Pressure gauge
50 Differential-pressure bypass valve
52 Individual room control valve
58 Fill and drain valve
63 VFK solar flat collector
64 Solar in-line vessel
65 Collecting container
91 VWZ AI VWL X/2 auxiliary module
94 VWZ MEH 60 auxiliary heating module
HK1-P Heating pump 1
HK2-P Heating pump 2
KOL1 Collector temperature sensor for collector field 1
KOL1-
P
Solar pump for collector field 1
KW Cold water
SP1 Cylinder temperature sensor
SP2 Cylinder temperature sensor (solar cylinder)
VF1 Flow temperature sensor 1
ZP Circulation pump