Wolf CGB-2 Series Installation Instructions For Contractors page 28

Connections inside the control unit
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15. Electrical connection
eBUS 1 (+), 2 (-) WOLF control accessories
T_DHW (5kNTC cylinder sensor)
T_outside (5kNTC outside temperature sensor)
E2 (5kNTC common sensor = low loss header; alternatively
0-10 V switching, e.g. 8 V = 80 % heating output)
E1 (programmable input e.g. flue gas damper or room thermo-
stat)
* A1 (programmable output)
* LP (cylinder loading pump) only for appliances with
stratification cylinder
* ZHP (heating circuit pump internal wiring) ZHP switching
parallel to internal appliance pump
* Z1 (230V output when ON/OFF switch is ON)
Power supply
* Max. 1.5 A/345 VA per output, sum of all outputs no more
than 600 VA
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