7.16 Connecting the cooling circuits
Connect the cooling circuits to the expansion module TC1.6 as follows:
Cooling circuit 1
Supply temperature sensor B16: X1 and M
Pump control Q24 (230 V): relay Q1, contact Q14
Actuator TV11:
0–10 V: Y1
24 VAC: G
0 VAC: G0
Figure 1. Connecting the cooling circuit 1
Cooling circuit 2
Supply temperature sensor B26: X2 and M
Pump control Q26 (230 V): relay Q2, contact Q24
Actuator TV22:
0–10 V: Y2
24 VAC: G
0 VAC: G0
Figure 2. Connecting the cooling circuit 2
