Installation Instructions

Appendix
0020147164_04 aroTHERM Installation instructions 31
38 Diverter valve
42a Expansion relief valve
42b Diaphragm expansion tank
43 Safety group – drinking water connection
50 Differential-pressure bypass valve
91 VWZ AI VWL X/2 heat pump control module
93 VWZ MPS 40 compact buffer cylinder
KW Cold water
VF1 Flow temperature sensor 1