Checking All Connections On The Heating Water And Dhw Sides For Leaks; Checking The Flue System For Unrestricted Flow And Tightness; Checking The Firm Seating Of Electrical Connections; Checking All Gas Equipment For Tightness At Operating Pressure - Viessmann VITODENS 111-W Installation And Service Instructions Manual

Commissioning, inspection, maintenance

Checking all connections on the heating water and DHW sides for leaks

Checking the flue system for unrestricted flow and tightness

Checking the firm seating of electrical connections

Checking all gas equipment for tightness at operating pressure

Danger
Escaping gas leads to a risk of explosion.
Check all gas equipment for tightness.

Fitting the front panel

1.
Fig. 29
1. Hook the front panel into place.

Setting display backlighting for standby

01. Turn ON the ON/OFF switch.
02. Tap MODE.
36
!
Please note
The use of leak detection spray can result in
faulty operation.
Leak detection spray must not come into contact
with electrical contacts or seal the diaphragm
opening on the gas valve.
2.
2x
2. Tighten screws underneath.
03. / until CONFI flashes.