Checking The Indoor Unit Electrical Connections For Firm Seating; Checking The Fan In The Outdoor Unit Can Run Freely; Cleaning The Outdoor Unit Heat Exchanger (Evaporator); Checking The Thermal Insulation Of Flared Connections - Viessmann Vitocal 200-S Installation And Service Instructions For Contractors

Commissioning, inspection, maintenance

Checking the indoor unit electrical connections for firm seating

Checking the fan in the outdoor unit can run freely

Danger
Contact with the fans while they are operating
can result in serious cutting injuries.
■ Isolate the outdoor unit from the power supply
and safeguard against reconnection.
Do not open the appliance until the fan has
■
come to a stop.

Cleaning the outdoor unit heat exchanger (evaporator)

Danger
Touching 'live' components and their contact
with water can result in serious injury due to
electric shock.
■ Isolate the external unit from the power supply
and safeguard against reconnection.
■ Protect the external unit against moisture.
Danger
Contact with the fans while they are operating
can result in serious cutting injuries.
■ Isolate the external unit from the power supply
and safeguard against reconnection.
■ Do not open the appliance until the fan has
come to a stop.
Cleaning with compressed air
1. Open the external unit casing.
Danger
The sharp edges of the heat exchanger
(evaporator) can cause injuries.
Avoid contact.

Checking the thermal insulation of flared connections

50
1. ■ Type AWB/AWB-E/AWB-AC 201.B04:
First remove the top cover and then the front
panel.
■ Type AWB/AWB-E/AWB-AC 201.B05 to B13,
201.C10 to C16:
Remove the air discharge grille from the outdoor
unit.
2. Turn the fan by hand.
!
2. 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.
Clean the heat exchanger from the inside out
with compressed air.
3. Check the aluminium fins of the heat exchanger for
deformation and scratches. If necessary, repair
with a suitable tool (e.g. fin comb).
4. Close the external unit casing.