Cetetherm Midi Wall IQHeat
Installation, service and operating instruction
20
The heating pump is internally controlled via digital pulse-width modulation.
The user interface allows to select between six control curves in two control modes:
•
three proportional pressure curves (PP)
•
three constant pressure/power curves (CP).
The pump is factory preset to Proportional pressure curve, PP2.
Flashing fast
PP1
Flashing fast
PP2
Flashing fast
PP3
Flashing slow
CP1
Flashing slow
CP2
Flashing slow
CP3
Picture 12,
LED indication of the curve setting
8.3.1
Changing pump curve setting
Picture 13,
Serial curve setting
1. Push the button for two seconds
Pump goes to setting mode - LED starts flashing.
2. With each push, the setting changes:
LED 1-2-3 are permanently on, and then the control curve and mode is changed.
3. Flashing mode:
•
Fast: Proportional pressure
•
Slow: Constant pressure/power
4. After ten seconds not pushing the button:
•
Setting is adapted.
•
Pump returns to operating mode
5. LED 1 or 2 or 3 is permanently on.
•
Pump is running with the selected curve and mode.
Summary of Contents for Midi Wall IQHeat
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