24
B
A
Fig. 22
Fit in reverse order to the description on page 21 (tor-
que 20 Nm)
Mounting the burner (if required)
A
B
C
Fig. 23
Danger
Risk of explosion from escaping gas.
Check all gas connections for tightness.
1.
Fit burner plate
B
to burner flange
C
with screws
A
.
2.
If necessary, seal the annular gap between the
flame head and the insulation rings with heat-
resistant insulation material.
3.
Connect the fuel supply lines (pressure-jet gas
burners: gas supply pipe).
Checking the water chamber for deposits
1.
Fully drain the boiler.
2.
Clean the water chamber by hosing it down.
Remove deposits via the drain outlet.
Remove stubborn deposits with approved chemical
solvents.
3.
Clean the sealing faces and thread of the inspec-
tion port. Replace the gaskets. Lubricate the
thread. Retighten the new gaskets after commis-
sioning (see table on page 16). Check again after
24 hours run.
Checking the connections and inspection ports on the water side for leaks
To check for leaks, fill the boiler system with water.
Danger
The surfaces of steam boilers and hot water
boilers and other areas of the system are poten-
tially hot.
Risk of injury!
Always wear protection when touching the rele-
vant areas during operation.
2.
Check all connections and openings for tightness.
3.
If necessary, tighten the closures (see table on
page 16).
Installation instructions for the gaskets
Commissioning, inspection, maintenance
Closing and securing the inspection ports
5673144
Summary of Contents for Vitomax LW M148 Series
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