11
4.1.10
To Clean the Heat Exchanger and Motor Impeller
• Clean approximately at five year intervals.
2
1
2
1
3
Step 2
Unscrew the two valance screws (
u
) and lift out
(
v
) of locating tabs at the bottom and remove
valance (
w
) .
Step 4
Remove the heat exchanger by gently pulling on
the nylon strap, taking care not to damage it.
Clean each face of the heat exchanger with a
vacuum cleaner and wash with warm water.
Gently clean the motor impellers on both sides
of the unit by using a brush. Ensure heat
exchanger is dry before continuing to Step 5.
Step 5
Re-insert the cleaned or new heat
exchanger, taking care not to
cause damage.
Step 6
Reposition the panel and secure with the six
locating screws.
Step 3
Unscrew the six heat exchanger
locating screws and remove panel.
Step 1
Isolate the unit from the Mains Supply.
Pull down the top part of the two front
panels (
u
) and lift out (
v
) of locating
tabs at the top of the valance panel.