Zehnder Rittling ComfoAir 350, Руководство по установке

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2.10.4 Malfunctions (or problems) without alerts
An overview of the malfunctions (or problems) without notifications is given below.
Problem/Malfunction Indication Check / action
System switched off Power supply on The control circuit board is defective and must
be replaced.
No power supply Mains power is off.
High intake temperature
in summer Bypass remains closed Reduce the comfort temperature.
ComfoAir is still in Winter mode:
Bypass remains closed Cheking the Mode of the ComfoAir is possible
with special read-out software.
■
Wait untill ComfoAir switches to
Summer mode.
Low intake temperature
in winter Bypass stays open Increase the comfort temperature.
Little or no
air supply;
shower remains damp Filters blocked Replace the filters.
Valves blocked Clean the valves.
Exchanger clogged by dirt. Clean the exchanger.
Exchanger frozen Defrost the exchanger.
Fan dirty Clean the fan.
Ventilation ducts blocked Clean the ventilation ducts.
ComfoAir is in frost-protection
operation Wait until the weather warms up.
Too noisy Fan bearings defective Replace the fan (bearings).
Fan settings to high Change the fan (settings).
Slurping noise
■
Siphon is empty
■
Siphon does not seal properly
Reconnect the siphon.
Whistling noise
■
An air gap somewhere
Seal the air gap.
Airflow noise
■
Valves do not close onto duct.
■
Valves not open far enough
Reinstall the valves.
Reset the valves.
Condensation leak Condensation drain clogged Unblock the condensation drain.
Condensation from exhaust duct does not run
into leakage tray Check whether the connections
are correct.
Corded 3-position
switch not working Cabling is not correct Check the wire-circuit of the
3-position switch by
measuring the voltage:
■
Voltage only on N & L3:
[Fans rotate in position 1].
■
Voltage only on N & L3 & L2:
[Fans rotate in position 2].
■
Voltage only on N & L3 & L1 or
N & L3 & L2 & L1:
[Fans rotate in position 3].
Switch is defective
Wireless 3-position
switch not working Battery is discharged Check the battery.
■
Replace the battery (if necessary).
Switch is not correctly tuned. Remove the power shortly from the
ComfoAir. Shortly after reconnecting
the power tune the switch again.