Appliance Too Noisy; Condensation And Humidity In The Heat Pump Module - Viessmann Vitocal 300-G Series Installation And Service Instructions Manual

Maintenance
Checking fuses
(cont.)
Danger
Removing the fuse does not switch the power
circuit to zero volt. Contact with 'live' compo-
nents can lead to serious injury from electric cur-
rent.
Before working on the equipment, always
ensure that the power circuit is also at zero
volt.

Appliance too noisy

Possible causes:
■ Transport bracket not removed or not secured to the
base support: See page 13.
Hose outlets in diaphragm grommets are leaking:
■
See page 46.

Condensation and humidity in the heat pump module

Possible causes:
■ Hose outlets in diaphragm grommets are leaking:
See page 46.
Casing door not closed tight: See diagram in chapter
■
"Removing the heat pump module" below.
■ Outer panels not closed diffusion-proof: See
page 43.
68
■ Hoses are in contact with other components.
■ Casing door not closed tight: See following diagram.
■ Plinth trims not fitted: See page 43.
Clearance between the plinth trim and floor is too
■
great.