Setting Up
40
89217391 Rev. A
©2022 nVent
9.4.2
Secondary circuit
Carry out connection to unit via flexible, pressure-resistant hoses.
1.
Secondary circuit inlet (Sec. IN).
2.
Secondary circuit outlet (Sec. OUT).
Fig. 9: Electrical components/connections
1
Control cabinet
Prim. IN
Primary circuit inlet
2
Maintenance switch
Prim. OUT
Primary circuit outlet
1Q1
Power supply connection point
Sec. IN
Secondary circuit inlet
F
Secondary circuit filling point
Sec. OUT
Secondary circuit outlet
E
Drainage point
NOTE
The system diagram is enclosed in the appendix.
