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Vitodens 100-W, B1HA/B1KA 26 to 125 Combi Installation/Service
Start-up, Inspection and Maintenance
Removing the Burner
Start-up and Maintenance
CAUTION
To avoid damage to the burner, do not lay burner on its
cylindrical burner tube.
Failure to heed this caution may cause damage to the
burner tube, which may lead to improper operation.
1. Switch the burner OFF (shut off main service switch).
2. Shut off the gas supply.
3. Pull power cables from fan motor
A
, gas valve
B
and electrode block
C
.
4. Pull the Venturi extension
D
from the fan.
5. Release gas supply pipe fitting
E
.
Note:
There is a gasket between the gas valve and
this connection.
6. Loosen four Torx (T-30) screws
F
and remove burner.
Check the burner gasket
A
and burner cylinder assembly
D
for damage and replace if necessary. Replace the
cylinder burner assembly if damaged.
1. Remove electrode block
B
.
2. Loosen the three Torx screws and remove the thermal
insulation
ring
C
.
3. Loosen the four Torx screws and remove burner
cylinder
assembly
D
and assembly gasket
E
.
4. Fit and secure new burner cylinder assembly
D
and new assembly gasket
E
. Tighten to a torque
of 31 lb.in (3.5 Nm) using a calibrated torque
wrench.
5. Reinstall thermal insulation ring
C
.
6. Reinstall electrode block
B
. Tighten to a torque
of 31 lb.in (3.5 Nm) using a calibrated torque
wrench.
Check Burner Gasket and Cylinder Assembly for Damage
Reinstall Burner Assembly
1. Mount burner assembly and tighten screws in a
diagonal pattern to a torque of 132 lb.in (15 Nm).
2. Fasten threaded connection for the gas line with
a new gasket and torque to 132 lb.in (15 Nm).
3. Connect the electrical cables to the corresponding
parts.
IMPORTANT
Perform gas leak test.
