Instruction manual

INSPECTION AND SERVICE
1
A
E
C
D
B
G
2
INSPECTION AND
SERVICE
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR DANESMOOR WALL MOUNTED OIL 12/18-18/25
8 718 681 134a (08.08)
43
SERVICING
& SPARES
CAUTION: ISOLATE THE WATER,
ELECTRICAL 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:
Carry out a pre-service check and note any
operational faults:
Pre-Service Check:
1Undo the screws (A) located at the bottom
of the wall mounting frame, remove the base
panel, hold the casing and pull slightly
away from the appliance from the bottom,
before lifting free of the supporting tabs (B )
on the top of the wall mounting frame.
 Be sure to place the front cover and base
panel in a safe place away from the working
area.
Operate the appliance and system and note
any faults which may need to be corrected
during the service.
2 Switch off and electrically isolate the
boiler.
 Depress locking ears and unplug burner
lead from control box (C).
3 Loosen clip (D) to detach air duct pipe
from the burner.
 Remove the drip tray (E) by pulling forward
and free of the appliance.
 Unscrew burner retainer nut (F) and gently
ease the burner forward and downwards
until clear of primary heat exchanger. The
burner may be hung on the hook (G)
provided.
Service requirements:
See the following instructions for detail of some
of the service requirements listed below:
Check and clean the burner.
Replace the burner nozzle and flexible oil
pipe/s.
Check and clean the baffle retainers.
Check and clean the baffles.
Check and clean the heat exchangers
surfaces.
Check the combustion chamber access
door insulation board.
Check that the flue system is unobstructed
and clean as necessary.
Clean or replace all oil filters.
Check that the condensate system is not
obstructed, clean and refill the condensate
trap as necessary.
Sealed systems only. Important:
The PRV is a safety device and must be
checked for correct operation.
The expansion vessel pressure must also be
checked and adjusted if required.
B
3
F