4.2.1
To Clean and Replace the ComfoAir CA155WM Heat Exchanger
•
Clean approximately at two year intervals.
•
Replace approximately at five year intervals.
HR155WM FILTER step1
1
2
HR155WM heat exchanger step2
Step 1
Isolate ComfoAir CA155WM from the
Mains Supply. Pull down the top part (
u
)
of the two front panels and lift out (
v
) of
locating tabs at the bottom.
Step 2
Unscrew the six heat exchanger locating
screws and remove panel.
HR155WM heat exchanger step3
HR155WM heat exchanger step4
Step 3
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. Ensure heat
exchanger is dry before continuing to
Step 4.
Step 4
Re-insert the cleaned or new heat
exchanger, taking care not to cause
damage.
HR155WM heat exchanger step2
HR155WM FILTER step1
2
1
Step 5
Reposition the panel and secure with the
six locating screws.
Step 6
Locate the front panels in the bottom tabs
(
u
) and click them back into place at
the top (
v
). Turn the Mains Supply back
on. Reset Heat Exchanger Status
(See
Section 4.1.5).
Important Note: Do not attempt to clean the heat exchanger with detergent.
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