Zehnder Group ComfoAir 160, Руководство по установке

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EN - 20
2.10.3What to do in the event of a malfunction / Trouble shooting
Below are a number of trouble-shooting tips for the malfunction alerts described previously which can appear on the
digital operating device in the event of a malfunction.
Resistance [KΩ]
MIN. MID. MAX.
10 19,.570 19,904 20,242
15 15,485 15,712 15,941
18 13,502 13,681 13,861
19 12,906 13,071 13,237
20 12,339 12,491 12,644
21 11,801 11,941 12,082
22 11,291 11,420 11,550
25 9,900 10,000 10,100
30 7,959 8,057 8,155
Temperature
[°C]
Resistance tabel for
(NTC) temperature sensors:
A1 / A2 / A3 / A4
NTC sensor
T1 / T2 / T3 / T4
is defective
Remove the cover of the
electronic box by pressing
in the 2 click connectors.
Reconnect the NTC
sensor.
Reconnect the
power to
the ComfoAir.
Yes
No
Yes
No
Is the
resistance of
the NTC sensor
correct?
Replace the
NTC sensor.
Replace the
control circuit
board
.
Yes
No
Was the
temperature
< -27ºC or
> 127ºC?
Reset the unit
(P74 on 1)
Disconnect the
power from
the ComfoAir.
Disconnect the
power from
the ComfoAir.
Disconnect the
power from
the ComfoAir.
Release the front panel
by removing the protection
caps and unscrewing the
screws
Are the
connections
at the ComfoAir
correct?
Also check the connector of T1
located at the heat exchanger.
Risk of electrocution.