Service And Spares; Inspection And Service - Worcester Greenstar Heatslave II ErP 12/18 Installation, Commissioning And Servicing Instruction Manual

Service and Spares

1
B
A
C
2
F
D
Fig. 71
Handover
▶ Complete the Guarantee Registration Card, Combustion Record
(at the rear of this manual) and CD11 or an equivalent
commissioning form.
▶ Set up the controls and show the user how to operate all the controls
shown in the User Guide and all system controls.
▶ Where applicable, instruct the customer how to re-pressurise the
system.
▶ If the appliance is unused and exposed to freezing conditions, shut
off all the mains supplies and drain the system and boiler.
Release drain point [K] to drain the secondary heat
exchanger.
7 Service and Spares
7.1

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.
▶ Carry out a pre-service check and note any operational faults:
Pre-service checks
1. Lift the top panel [A] upwards to disengage the ball stud connections
[B] and pull forward to remove.
38
3
G
E
6 720 805 209-51.1TL
2. Pull the control box [C] all the way forwards.
▶ Depress the two levers [D], one on either side, to release the control
box and pull fully forward and swivel control box upwards.
3. Remove securing screws [E] from front panel [G].
▶ Lift panel [G] upwards off the supporting ledge [H] and store safely
away from the working area.
H
Operate the appliance and system and note any faults which may need
to be corrected during the service.
▶ Switch off and electrically isolate the boiler.
4. Unplug burner lead [J] from control box Lead [K].
5. Swivel the expansion vessel [L] on its support bracket out of the
boiler taking care not to snag any electrical cables or kink the flexible
hose.
6. Loosen air duct pipe clip [M] and disconnect the air duct pipe.
7. Unscrew burner retaining nut [O] and remove the burner [P] and
store safely away from the boiler.
2
C
D
K
3
E
G
6
Fig. 72
See the following instructions for detail of some of the service
requirements listed below:
▶ Check and clean the burner.
▶ Replace burner nozzle and flexible oil hose/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.
A
E
H
7
M
O
P
Greenstar Heatslave II ErP - 6 720 813 344 (2014/09)
B
4
K
J
5
L
6 720 805 209-52.1TL