Worcester GREENSTAR HEATSLAVE 12/18 Instruction Manual page 44

1
4
Plan sectional view
12/18kW & 18/25kW
44
INSPECTION AND SERVICE
A
B
3
2
Plan sectional view
25/32kW
C
D
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE 12/18-18/25-25/32
INSPECTION AND SERVICE
Combustion chamber:
4Release the M10 retaining nuts and washers
(B) and remove combustion chamber access
door (A).
4Check the fibreglass rope seal on the
combustion chamber access door (A) and
replace if necessary.
4Remove and check the baffle retainer (D).
4Remove the baffles (C), clean and check the
condition of the baffles and the acoustic
E
insulation. Replace any baffles or insulation
pads considered to be badly corroded/degraded.
4Thoroughly clean all of the heat exchanger
surfaces using a suitable brush and clear all
loose debris from the combustion chamber.
4Check the condition of the combustion
chamber access door insulation. If the
insulation is damaged the door assembly
must be replaced.
4Refit the items in reverse order ensure the
baffles (C) and baffle retainers (D) are
correctly fitted for the boiler output as shown
in the plan view opposite.
4Refit combustion chamber door (A).
IMPORTANT: Secure with nuts and
washers (B) and tighten, using the
sequence shown in figure, until the
chamber door is firmly secured, do not
over tighten the nuts.
Fire valve:
4Check 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 (E) is
provided for this purpose.
C
D
6 720 802 432 issue A 04/2012