Checking The Mixer For Ease Of Operation And Tightness; Checking The Ventilation Air Connection On The Burner (If Installed); Adjusting The Burner; Instructing The System User - Viessmann Vitoladens 300-T Service Instructions For Contractors

Commissioning, inspection, maintenance

Checking the mixer for ease of operation and tightness

1. Remove the motorised lever from the mixer handle
and check the mixer for ease of operation.

Checking the ventilation air connection on the burner (if installed)

For room sealed operation, check the ventilation air
connection for damage.

Adjusting the burner

Burner service instructions

Instructing the system user

The system installer should hand the operating instruc-
tions to the system user and instruct the user in oper-
ating the system.
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2. Check the mixer for tightness. Replace the O-ring
seals if the mixer is leaking.
This includes all components installed as accessories,
e.g. remote control units. In addition, the system instal-
ler must make the user aware of the required mainte-
nance work.