Worcester Greenstar Heatslave II ErP 18/25

Service and Spares
Greenstar Heatslave II
ErP -
6 720 813 344 (2014/09)38
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.
7 Service and Spares
7.1 Inspection and service
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.
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.
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.
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.
Release drain point [K] to drain the secondary heat
exchanger.
CAUTION: Isolate the water, electricity and oil mains
supplies before starting any work and observe all
relevant safety precautions.
6 720 805 209-51.1TL
1
3
2
B
A
C
G
H
D
F
E
K
6 720 805 209-52.1TL
2
3
6
7
5
4
A
B
C
D
E
E
K
J
L
H
G
M
P
O