Ultra
Assembly, installation and operating instructions
55
10
Maintenance
10.1 Securing against reconnection
DANGER!
Risk of death by unauthorised or uncontrolled restart!
Unauthorised or uncontrolled restarting of the equipment can result in serious injury or death.
Before restarting, ensure that all safety devices are fitted and working properly and that there is no haz-
ard to humans.
Always follow the procedure described below to prevent accidental restart:
1. de-energise.
2. Prevent accidental re-connection.
3. Check that the equipment is de-energised.
4. Cover and cordon off adjacent live parts.
WARNING!
Risk of injury from rotating parts!
The fan impeller can cause severe injuries.
Switch off the unit and prevent it from reconnection before commencing any work on moving compon-
ents of the fan. Wait until all parts have come to a standstill.
10.2 Maintenance Schedule:
The sections below describe maintenance work needed for the proper and trouble-free operation of the equipment.
If there are signs of increased wear during regular checks, shorten the required maintenance intervals to the actual wear and
teat. Contact the manufacturer with any questions about maintenance work and intervals.
Interval
Maintenance task
Personnel
As required
Regular visual checks and acoustic checks for
damage, dirt and function.
User
quarterly
Check filter for dirt, clean and change filter when
needed.
User
every six months
Clean unit components (heat exchanger, con-
densate tray, condensate pump, float switch).
User
every six months
Check water-side connections, valves and fit-
tings for dirt, leak-tightness and function.
User
every six months
Check the electrical wiring.
Qualified personnel
every six months
Clean components/surfaces that come into con-
tact with air.
Qualified personnel
quarterly
Check the heat exchanger for dirt, damage, cor-
rosion and leak-tightness. Carefully vacuum the
heat exchanger if dirty.
User
quarterly
Check the condensation tray, float switch and
drain connection for dirt, damage and leak-tight-
ness. Remove any condensation deposits that
have accumulated.
User
