Fault-Cause-Remedy - Wolf SE-2 Instructions De Montage

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Fault-Cause-Remedy

Fault
Leakage at floor-standing
Aufheizzeit zu lang
Industrial water temperatu-
re too low
Cause
Flange leaking hot water
tank
Pipe connections leaking
Hot water temperature too
low (measure at the supply
of floor- standing hot water
tank, not at the boiler)
Heating water amount too
small (causes large sprea-
ding, i.e. return temperature
too low)
Heating coil does not bleed
Calcification of heating
surface
Thermostat switches off too
early
Return temperature too low
(e.g. excessive spreading)
SE-2
Remedy
Re-tighten screws
crosswise with 20-25
Nm;Replace seal
Re-seal
Increase temperature
(adjust controller)
Larger pump
Observe back pressure
of parallel heater circuit
Bleed repeatedly with
switched-off pump
Decalcify heating sur-
face
Reset thermostat
Larger charging pump
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