10.2.4 Checking the draw-off capacity
1. Check the draw-off capacity.
2. If the transfer capacity is noticeably low (temperature too low and/or
flow rate less than 6.2 l/min), clean the plate heat exchanger
(domestic hot water side) and the water filter cartridge.
10.2.5 Check the flue gas outlet/air supply connections
1. Check the flue gas outlet and air supply connections for condition and
tightness.
10.2.6 Checking the combustion
Combustion is checked by measuring the O
2
percentage in the flue gas
outlet duct.
10.2.7 Checking the automatic air vent
1. Switch off the boiler's electrical connection.
2. Close the gas tap under the boiler.
3. Close the main gas tap.
4. Unscrew the two screws located under the front housing by a quarter
turn and remove the front housing.
5. Press the clips on the sides of the instrument box inwards to unlock it,
then tilt the instrument box forwards.
6. Check whether water is visible in the hose of the automatic air vent.
7. In the event of a leak, replace the air vent.
10.2.8 Checking the safety valve
1. Switch off the boiler's electrical connection.
2. Close the gas tap under the boiler.
Fig.93 Checking the automatic air vent
5
AD-0001222-02
6
1
Gas/Gaz
2 3
5
10 Maintenance
7686707 - v.01 - 06092018 AMC 101
To Next Page
Loading...
Need help?
General
