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Connection and wiring diagram
Connection and wiring diagram
Fig. 19
A1
Pump module main PCB
A2
PCB
DE1
Digital input
F4
Fuse 4 A (slow), 250 V~
K1, K2
Relay
S1 to S4
Temperature sensors
0 - 10 V OUT 0 to 10 V output (galvanically isolated)
44
Circulation pump
sL
Power supply 230 V/50 Hz
fÖ
Power supply for additional accessories
fÖ
A
Floating output for circulation pumps
hH
with enable contact
KM-BUS to Vitotronic control unit
aVG
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