Promatic WDC Series, Manual

Page: 15 / 176

User manual 15
ENG
D. h. w. circulation pipe temperature.
Solar collectors temperature - differential thermostat function.
Solid fuel boiler temperature - differential thermostat function.
Heat accumulator function - differential thermostat function.
D. h. w. storage tank temperature - differential thermostat function.
Bypass pump - differential thermostat function.
Burner.
Burner - second stage.
Bypass pump of the heating circuit (flashing indicates the pump must be
turned off).
R1 2 3 4 5 6 7 8
R
1 2 3 4 5 6 7 8
Status of the controller's control outputs - relays are switched on.
Status of the controller's control outputs - relays are switched off.
Mixing valve - closing (flashing indicates it must be closed).
Mixing valve - opening (flashing indicates it must be opened).
Change-over valve - closing.
Change-over valve - opening.
Bypass pump for d.h.w.
Circulation pump for d.h.w.
Solar collectors bypass pump.
Boiler bypass pump.
Boiler leading pump.
Heat pump.
Electric heater.
Electric heater for d.h.w.
Output operation according to time program.
T1, T2, T3, ... T8
TR1, TR2
TA
TQ
Temperature measured by sensors T1, T2, T3, T4, T5, T6, T7 or T8.
Temperature measured by a room sensor or room unit DD2+.
Outdoor temperature, obtained through the BUS connection.
Heat source temperature, obtained through the BUS connection.