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VICI
NG
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INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH
38
INSPECTION AND SERVICE
INSPECTION AND SERVICE
8-716-106-256a (08.05)
Re-commission the burner:
1 Align burner combustion head (N) into the
boiler housing tube with the gasket (O) correctly
fitted.
Push firmly down to compress the gasket (O).
Tighten burner retainers (H) sufficiently to
ensure a good seal.
Refit flexible air hose and secure with clip (J).
IMPORTANT:
Ensure the gasket is a good seal between
the burner combustion head and the boiler
housing to prevent flue gases escaping from
the combustion chamber into the room.
2 Plug burner lead (F) into control box (G).
Re-commission the burner as described in
'STARTING THE APPLIANCE' under the
Commissioning section.
Refit panels:
3 Unlock support (L) to pivot control box (G)
and slide into the boiler.
Secure with screws (C).
4 Locate top edge of panel (E) onto the top
supporting ledge (D) on the boiler.
Locate the ball stud connections (K) at the
base of the front panel (E) and push towards
the boiler to secure.
5 Align the top front panel (H) and push the ball
studs into the connectors (J) to secure.
6 Locate the top panel (A) onto the ball stud
connections (B) and press down to secure.
After service handover:
Make a note of the date of any water treatment.
Set the controls back to the users requirements.
If the appliance is unused and exposed to freezing
conditions; shut off all the mains supplies, isolate
the boiler and drain the system and boiler,
including the secondary heat exchanger.
A
6
E
4
1
1
J
H
N
O
B
K
L
F
G
C
3
2
H
D
5
