Operating instructions

Removing the burner and checking the burner gasket

(replace gasket every two years)

1. Switch OFF the control unit ON/

OFF switch and the m ains electri-

cal supply.

2. Close the gas shut-off v alve and

safeguard against reopening.

3. Pull electrical cables off fan motor

A, differential pressure sensor

B,gasvalveC, ionisation elec-

trode D, ignition unit E and earth

4. Release gas connection pipe G

fixing screws and fittings.

5. Releas e four nuts H and remove

the burner.

Important information

Prevent dam age to the wir e

mesh.

Never rest the burner on the

gauze assembly.

6. Check th e burner gasket K for

damage.

Generally, replace the burner gas-

ket every two years.

Further details regarding the individual steps (cont.)

Initial start-up, inspection, maintenance

5692 548 GB