INSPECTION AND SERVICE
CAUTION: ISOLATE THE WATER,
ELECTRICITY AND OIL MAINS SUPPLIES
BEFORE STARTING ANY WORK AND
OBSERVE ALL RELEVANT SAFETY
PRECAUTIONS.
Routine servicing:
To maintain efficient boiler operation, the
following should be carried out at least once
a year:
4
Carry out a pre-service check and note any
operational faults:
4
Pre-Service Check:
1
4
Lift the top panel (A) upwards to disengage
the ball stud connections (B) and remove.
2
4
Pull base of front panel (C) away from the
boiler to disengage ball stud connectors (D).
4
Lift front panel (C) upwards off the
supporting ledge (E) and store safely away
from the working area.
3
4
Remove securing screws (F) from each
side of control box (G).
4
Pull the control box all the way
forward ( H ).
4
Swivel the box up ( J ).
4
Lower the control box down to secure in
the service position ( K ).
Operate the appliance and system and note
any faults which may need to be corrected
during the service.
4
Switch off and electrically isolate the
boiler.
4
4
Depress locking ears and unplug burner
lead (L) from control box (G).
5
4
Release the expansion vessel (M) from the
support bracket (N) and remove taking care
not to kink or strain the flexible hose or snag
the thermostat capillaries.
4
Stand the expansion vessel (M) on the floor
taking care not to kink or strain the flexible
hose.
6
4
Loosen clip (O) to detach air duct.
7
4
Unscrew burner retainers (P) to release
the burner combustion head (R).
4
Lift burner away, taking care not to over
strain the flexible oil hose/s or
connections.
See the following instructions for detail of
some of the service requirements listed
below:
4
Check and clean the burner.
4
Replace burner nozzle and flexible oil
hose/s.
4
Check and clean the baffle retainers.
4
Check and clean the baffles.
4
Check and clean the heat exchangers
surfaces.
4
Check the combustion chamber access
door insulation board.
4
Check that the flue system is unobstructed
and clean as necessary.
4
Clean or replace all oil filters.
4
Check that the condensate system is not
obstructed, clean and refill the condensate
trap as necessary.
B
A
M
1
3
F
D
2
N
7
C
M
E
4
G
L
5
R
O
6
P
7
N
J
3
H
J
K
K
J
INSPECTION AND SERVICE
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE 12/18-18/25-25/32
6 720 802 432 issue A 04/2012
41
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