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D. SERVICING AND MAINTENANCE.
WARNING: THE FAN AND ANCILLARY CONTROL EQUIPMENT
MUST BE ISOLATED FROM THE POWER SUPPLY DURING
MAINTENANCE.
1.
At intervals appropriate to the installation, the fan should be inspected and
cleaned to ensure there is no build-up of dirt or other deposits.
2.
Wipe the inlets and front face with a damp cloth until clean.
The fan has sealed for life bearings, which do not require lubrication.
E. TROUBLESHOOTING
1.
The fan continuously runs in boost:
a. Cause:
i.
ii.
b. Solution:
i.
ii.
2.
The fan does not boost when the humidity is high:
a. Cause:
i.
b. Solution:
i.
3.
Water is dripping out of the fan when installed in a ceiling:
a. Cause:
i.
b. Solution:
i.
The room is damp or recently redecorated.
The humidity set point is set too low.
If the room is damp or has recently been decorated, it could take
up to 2 weeks for the humidity levels to stabilise. Please leave the
fan to dry out the room and after this period the fan should run
normally.
The humidity set point could be set too low. Adjust the
humidity set point to a higher setting. (Section C)
The humidity set point is set too high.
Adjust the humidity set point to a lower setting. (Section C)
This is caused by condensation forming on the inside of the
ducting and dripping out of the fan inlet.
This is normal and the fan is designed to handle condensation build
up. However a condensation trap connected immediately after the
fan will help to prevent water dripping into the room.
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