Hoval TopVent TP, Руководство по эксплуатации

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9 Maintenance and repair
Caution
Risk of injury from incorrect work. Maintenance work must be carried out by
trained personnel.
9.1 Safety
Before performing any work on the unit:
■ Turn the isolation switch on the unit to the ‘Off’ position and secure it against
being switched back on.
Caution
Danger of electric shocks. The unit controller and the service socket are
still live.
■ After switching off:
– Always wait at least 3 minutes.
Caution
The use of condensers can pose a danger of fatal injury from directly
touching live parts even after the unit is switched off. Only open the unit
after waiting 3 minutes.
– For units with an electric heating coil, wait at least 20 minutes.
Caution
Risk of burns due to contact with hot surfaces. Only open the unit after
waiting 20 minutes.
■ Observe the accident prevention regulations.
■ Observe the particular dangers involved when working on electrical systems.
■ When working in the unit, take precautions against unprotected, sharp metal
edges.
■ Immediately replace damaged or removed informational and warning signs.
■ Following maintenance work, professionally reassemble all dismantled protec-
tive devices.
■ Replacement parts must comply with the technical requirements of the unit
manufacturer. Hoval recommends the use of original spare parts.
9.2 Maintenance
Maintenance schedule
Activity Interval
Renew air filter When the filter alarm is displayed, at least
annually
Comprehensively checking function; cleaning
and possibly repairing the TopVent ® unit and
the condensing unit
Annually by Hoval customer service
Table 21: Maintenance schedule
1
2
■
1
TopVent ® isolation switch
■
2
Main switch electric heating coil
(behind the access panel)
Fig. 39: Switch position
Notice
The condensing unit main switch
is installed by the client.
43
TopVent ® TP
Maintenance and repair
4 218 024-en-04