Hg40: System Configuration - Wolf COB-2 Operation Instructions Manual

Appendix
Fig. 12.3 HCM-2 electrical connection
A1 (programmable output)
q
E1 (programmable input, e.g. "Flue gas damper")
w
When the limit switch is open, the burner is blocked both for DHW and heating, as well as for emissions
tests and frost protection.
12.3 HG40: System configuration
Hydraulic and electrical details: "Hydraulic System Solutions" technical guide.
Shut-off valves, air vent valves and safety equipment are not depicted in these hydraulic diagrams.
i
► These should be provided for each system individually, in line with the applicable standards and
regulations.
82 | WOLF GmbH
q w
A1
LP E1 E2
a b a b
L1 N L1
1 2 1 2
e
AF SF
eBUS
-
1 2 1 2 +
1 2 1 2
1 2
M
230V~
r
Extract air damper motor
e
Limit switch
r
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