94
Connection of primary circuit flow/return temperature sensor, two-stage heat
pump
< 42 V
1.
2.
aS
aD
[G
X
aS
aD
aS
aS
aD
aD
aS
aD
3.
aS
Flow temperature sensor, primary
circuit
aD
Return temperature sensor, primary
circuit
Installation sequence
Electrical connections
(cont.)
5609 667 GB