Cleaning The Filter In The Ball Valve; Checking That The Fan In The Outdoor Unit Can Run Freely - Viessmann VITOCAL 151-A Installation And Service Instructions Manual

Cleaning the filter in the ball valve

Fig. 65
4. Rinse the filter under running water.

Checking that 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.
■
Safeguard against unauthorised reconnection.
■ Do not open the appliance until the fan has
come to a stop.
Commissioning, inspection, maintenance
90°
1.
3.
2.
5. Refit filter in reverse order (steps 3 to 1 in reverse
order).
Torque for the top cover:
10.0 0.5 Nm
±
85