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Maintenance

(General notes for the ‘End User’/
Maintenance Engineer).

General

A washable filter is fitted to protect the fan / motor assembly from
towel lint, talc etc. and to prolong the life of  the unit. However,
some fine dust may find its way  through the filter and, if allowed,
will build up on the motor and/or impeller. It is therefore strongly
recommended that all units are inspected and cleaned at least every
six months.

Isolation

WHEN CARRYING OUT ANY WORK ON THE UNIT IT
IS ESSENTIAL TO ISOLATE IT FROM THE MAINS 
SUPPLY.

Procedure

At all times take care not to damage, distort or disturb the balance of
the impeller.  Remove the filter and front cover as previously
described. Remove the electronic control module.Spring aside the
two clips and remove the fan module. Visually inspect all parts,
replace any damaged items. Using a soft brush or dry cloth remove
any dust and dirt from the fan module. Stubborn dirt may be
removed by careful use of a soft scraper. Wash front cover in warm
soapy water and dry thoroughly. Re-fit fan and electronic control
module, replace front cover and secure with screws. Wash filter on
tepid water to which a little mild detergent has been added. Shake
out excess water and allow to dry naturally. Replace filter.  Refit the
retaining screws (fig 3). Test run the unit.

Run - on timer and humidity set point

Run - on timer

When installing a unit with run-on timer the adjuster should 
initially be turned fully anti-clockwise.  (This equates to a run-on of
approximately  5 minutes).

Isolate unit from supply and remove front cover. Locate the 
electronic control module situated to the right of the fan / motor
assembly. Using small screwdriver, turn the adjuster to the fully
anti-clockwise position.  Adjustment to the timer can subsequently
be made to suit individual preferences. Turn timer clockwise to
increase run on time - maximum run on time is 30 minutes.

Humidistat

By adjusting the humidity set point it is possible to adjust the
humidity level at which the fan operates (Note that the humidity set
point is adjusted to maximum at factory prior to delivery). Isolate
the unit from the supply and remove the front cover, locate  the
electronic control module situated to the right of the fan / motor
assembly. Use a small screwdriver to turn the adjuster, clockwise to
sense a higher humidity level or anti-clockwise to sense a lower
level.

When initially running a Genie / TOPS unit  with the humidistat
option the humidity adjustment control should be adjusted to 
maximum (fully clockwise). Start the fan and after approx. 30 
minutes the fan will switch off. Adjust  the humidity set point
downward (by turning the control anti-clockwise) until the desired
level is achieved.
The fan will cut in when the humidity level in the room is reached. 

Fig. 6. Internal view. Note the adjusting screw

for both timer (S) and humidistat (H) modules is 
located in the position shown.

Fig. 7. Mounting bracket for semi-recessed application.

Fig. 8. Mounting details (semi-recessed).           

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OPTIONAL EX

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T No. 770982

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