10
4.0 Electrical
5.0 Maintenance
5.1
Cleaning the Unit (Fig.9)
1. In addition to removing odours, providing fresh
air and recovering heat, this unit extracts airborne
impurities such as dust, dirt and grease. These
gradually build up and detract from the efficiency
and appearance of the unit.
2. To ensure optimum performance, the unit
should be cleaned every 3 to 6 months or at
periods determined by the level of contamination
experienced and according to the following
procedure.
3. Isolate the mains power supply.
4. Release the catches on either side of
the grille surround and remove the two
filter holders.
5. Remove the filter from the filter holders.
6. Remove the grille surround after unscrewing its
retaining screws. Slide out the heat exchanger.
7. Wash the grille, filter and heat exchanger in
warm water using a mild detergent and dry
thoroughly.
CAUTION:
Keep water away from all electrical
components and wiring within the unit.
8. Reassemble in reverse order ensuring the
filter and heat exchanger are seated correctly.
9. Switch power supply on and check the
operation of the unit.
5.2
Inlet Blank
1. An inlet blanking plate is provided with
the unit. With this in place the HR200WK
acts as an extract only fan.
2. Release the catch for the supply
side(left side) grille and remove the grille
3. Place the inlet blanking plate between
the grille and the filter
4. Replace the grilled with the blanking
plate in place. The unit will now operate as
an extract only ventilation unit
Fig. 9
Inlet blanking plate
