Burner Door Refractory; Further Installation And Initial Start Up Instructions - Viessmann Vitocrossal 200 CM2 400 Service Instructions Manual

Burner Service

Burner Door Refractory

Further Installation and Initial Start Up Instructions

44
Vitocrossal 200, CM2 400, 500, 620 and 620 TX Service
1. Loosen the retaining clamp and disconnect the
combustion air flex hose and set aside.
2. Disconnect the gas line.
3. Remove ionization electrode block.
4. Remove ignition electrode block.
5. Remove the six M12 (19 mm hex) burner door bolts
and washers and set aside.
6. Remove burner tube (see page 38).
Note: Replace burner tube gasket as required.
7. Remove rope seal.
Note: When reinstalling the rope seal, apply high
temperature silicon to hold in place.
8. Remove refractory.
9. Remove electrode block insulation.
10. Remove insulation blanket.
Torque M12 (19 mm hex) door bolts to 13 lb/ft (18Nm).
11. Reinstall in reverse order.
CAUTION
Using leak detection spray may lead to a malfunction.
Avoid contact between leak detection spray and
electric contacts.
1. Ensure all connections are tight and all electrical plugs
are connected.
2. Reinstall all removed front, rear and side panels.
3. Start up burner and test burner functions.