Instruction manual

INSPECTION AND
SERVICE
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR DANESMOOR WALL MOUNTED OIL 12/18-18/25
8 718 681 134a (08.08)
45
SERVICING
& SPARES
INSPECTION AND SERVICE
External oil filter:
Remove the paper element from the external
oil filter and replace it. If the filter contains a
washable element, thoroughly clean in
kerosene and reassemble into the filter.
Clean the boiler:
Manifold access:
Release the 4 nuts (A) to remove the flue
manifold access cover (B) and remove any
debris.
Check the condensate route is clear and
clean the condensate trap and pipework.
Check the flue system and clean if necessary.
Remove the baffle access cover (C) by
removing the 4 retaining nuts (D).
Remove the baffle retainer (E) and baffles (F)
from the secondary heat exchanger.
Check and clean the secondary heat
exchanger surfaces.
NOTE: Do not use wire brushes and
cleaning agents to clean the stainless steel
secondary heat exchanger components.
Pour 500ml of water into drain (G) to refill the
condensate trap.
Clean the secondary heat exchanger baffles
(F) if necessary and refit correctly.
 Refit the baffle retainer (E).
 Refit the flue manifold access cover (B) and
secure with nuts (A).
Combustion chamber:
 Release the M10 retaining nuts and washers (H)
and remove combustion chamber access door ( I ).
Check the fibreglass rope seal on the
combustion chamber access door ( I ) and
replace if necessary.
Remove the baffle retainers (J) through the
baffle access at the top of the boiler while at
the same time holding the primary baffles (K)
through the primary heat exchanger. Remove
the baffles through the primary heat exchanger.
 Clean and check the condition of the baffles
and the restrictor plate/s (L). Replace any
part considered to be badly corroded/degraded.
Thoroughly clean all of the heat exchanger
surfaces using a suitable brush and clear all
loose debris from the combustion chamber
and upper chamber.
Check the condition of the combustion
chamber access door insulation. If the
insulation is damaged the door assembly
must be replaced.
Refit the items in reverse order ensure the
baffles , baffle retainers and restrictor
plate/s are correctly fitted for the boiler
output as shown in the plan view opposite.
 Check the seal on the baffle access cover
(C) and replace if necessary.
Refit combustion chamber access door (I).
Secure with nuts and washers (H) and
tighten to 6 Nm until the door is firmly
secured using the sequence shown
opposite. Do not over tighten the nuts.
Fire valve:
Check that the oil supply pipe has a fire valve
fitted externally to the building with the fire
valve sensor located within the appliance
case. A fire valve sensor clip is provided for
this purpose.
Plan sectional view
Plan sectional view
Combustion chamber
access door tightening
sequence.
IMPORTANT when refitting
the combustion chamber
access door
12/18
18/25
500ml
E
A
H
G
D
L
C
F
J
K
I
B
H
H
H
L
J
K
L
A
B