How to service the rotary heat exchanger
Illustration
Rotary heat exchanger:
Interval
To ensure a long lifetime and continuous operation of the DanX unit, the rotary
exchanger should be maintained once annually as described below. See ”Procedure”.
The rotary heat exchanger should be serviced once annually.
Before start
The following should be available before service:
•
Soft brush
•
Fat-dissolving detergent
•
Compressed air
•
A vacuum-cleaner
Not included
This section does not deal with service of the bypass damper, which is described
separately under Accessories. See “How to service dampers”, page 32
Warning!
Do not forget to disconnect all current to the unit and its parts before service.
Take care when cleaning the rotary heat exchanger so that you do not damage the
surface of the heat exchanger.
Avoid the use of hard objects on the surface.
T
he preventive maintenance is done as described below:
Procedure,
preventive
maintenance
Step
Action
1
Check the rotary exchanger for dirt.
(You may use a torch to see through it from both sides)
2
Dust should be removed from the inlet edges. Use compressed air, a
vacuum cleaner or a soft brush
3
Check that the brushes round the rotor are tight
Continued overleaf
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