Cleaning The Condensate Pan And Condensate Drain - Viessmann VITOCAL 150-A Installation And Service Instructions Manual

Cleaning the outdoor unit heat exchanger...
!
Please note
Commercially available domestic cleaning
agents and special cleaning agents can damage
the heat exchanger (evaporator).
■ Clean the fins of the heat exchanger (evapora-
tor) on the back of the outdoor unit with a hand
brush with long bristles.
Only use mild water-based domestic cleaning
■
agents.
■ Do not use substances that contain abrasive
particles such as polishes, scouring agents,
dirt erasers or scouring pads.
Cleaning with compressed air
1. Open the outdoor unit casing.
Danger
The sharp edges of the heat exchanger
(evaporator) can cause injuries.
Avoid contact.

Cleaning the condensate pan and condensate drain

Danger
If you touch live components or they come into
contact with water, this can result in serious
injury due to electric shock.
Isolate the outdoor unit from the power supply.
■
Safeguard against unauthorised reconnection.
■ Protect the outdoor unit against moisture.
Danger
Contact with the fans while they are operating
can result in serious cutting injuries.
Isolate the outdoor unit from the power supply.
■
Safeguard against unauthorised reconnection.
■ Do not open the appliance until the fan has
come to a stop.
Danger
Easily flammable liquids and materials (e.g.
naphtha/petrol, solvents, cleaning agents, paints
or paper) can cause deflagration and fire.
■ Do not use substances containing acids or
solvents, such as vinegar-based cleaners, cel-
lulose or synthetic resin thinners, nail varnish
remover, ethyl alcohol, sprays, etc.
Do not use substances containing chloride or
■
ammonia.
Commissioning, inspection, maintenance
(cont.)
2. Using compressed air, clean the heat exchanger
from the inside out.
!
Please note
Excessive air pressure from the front and
sides can result in the deformation of the
aluminium fins of the heat exchanger.
Only point the compressed air gun at the
heat exchanger from the front and from an
adequate distance.
3. Check the aluminium fins of the heat exchanger for
deformation and scratches. If necessary, repair
with a suitable tool.
4. Close the outdoor unit casing.
!
Please note
Commercially available domestic cleaning
agents and special cleaning agents can damage
the condensate pan.
Only clean with clear water. Do not use any
■
cleaning agents.
■ Do not use substances that contain abrasive
particles such as polishes, scouring agents,
dirt erasers or scouring pads.
!
Please note
Prevent damage due to condensate.
Cover electronic components with suitable
watertight material.
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