Worcester Greenstar Heatslave II External 12/18

INSPECTION AND SERVICE
INSPECTION AND SERVICE
INSTALLATION & SERVICING INSTRUCTIONS FOR GREENSTAR HEATSLAVE II EXTERNAL 12/18-18/25-25/32
6 720 805 210-01
49
SERVICING
& SPARES
Re-commission the burner:
14 Align burner combustion head into the boiler
collar.
4 Locate the burner retainer (A) over the
threaded lug on the collar (B), push the burner
firmly into the flange and secure in place with
the retaining nut (C). Tighten sufficiently but
do not over tighten.
4 Check that the burner is seated correctly
on its mounting flange and that the oil
hose/s are routed correctly as shown on
page 27.
IMPORTANT: Ensure the o-ring seal
between the burner collar and mounting
flange is in good condition to prevent flue
gases escaping from the combustion
chamber into the room.
2 4 Refit the flexible air duct and secure with
clip (D).
34 Swivel the expansion vessel (F) back into
position taking care not to kink the flexible
hose or snag electric cables.
44 Plug burner lead (G) into connector (H).
4Connect an oil pressure gauge to the oil pump,
run the burner and check the oil pressure is
correct for the required boiler output. Check
that the smoke reading is between 0 and 1, if the
smoke reading is above 1 check the air setting.
If the air setting is correct check that the burner
has been reassembled correctly. Allow the
boiler to warm up then check the combustion
settings are correct as indicated in the table
below, adjust the CO
2
if necessary using the air
shutter. When the combustion is correct turn off
the boiler, remove the pressure gauge and refit
the blanking plug and plastic cover.
Refit control box:
54 Rotate the box towards you ( J ).
4 Slide control box drawer back into
position.
Refit panels:
64Refit the top panel (K) and press down to
compress the seal when fitting the
securing screws at each corner.
74Push the front panel (L) up behind the top
panel and push in at the base to secure
with the screws (M) using the tool povided.
Always apply pressure at the edges of
the boiler panels when securing to avoid
accidental damage.
After service handover:
4Make a note of the date of any water treatment.
4Set the controls back to the users requirements.
4Complete the service interval record at the
back of this manual and a CD11 or an
equivalent form.
4If the appliance is unused and exposed to
freezing conditions; shut off all the mains
supplies, isolate the boiler and drain the
system and boiler, including the secondary
heat exchanger.
%CO
2
NOMINAL BOILER RATING AT NORMAL OPERATING TEMPERATURE
USING 28sec KEROSENE:
NOZZLE
Boiler 12/18 RDB 2.2
OIL PUMP
PRESSURE
(Bar/Psi)
FUEL
FLOW RATE
Kg/h l/h
APPROX.
FLUE GAS
TEMP °C
APPROX.
AIR
SETTING
INPUT OUTPUT
kW kW
0.35 80°SR
0.45 60°ES
0.55 80°EH
9/132
7.5/110
7.8/115
1.0 4
1.28
1.5 4
1.3 2
1.63
1.96
64
73
76
11.0
11.5
12.0
3.0
3.5
5.5
12.0
15.0
18.0
12/15
12/15
12.3
15.4
Boiler 25/32 RDB 2.2
0.75 80°ES
0.75 80°ES
0.85 80°EH
7.5/110
10/147
9.5/140
2.15
2.37
2.58
2.72
3.0
3.27
80
81
83
11.5
12.0
12.5
4.5
4.0
4.5
25.0 N/A 25.7
28.3
30.8
Boiler 18/25 RDB 2.2
0.60 60°ES
0.75 80°ES
8.5/125
8.5/125
7.5/110
1.5 8
1.84
2.15
1.96
2.33
2.72
75
77
82
11.0
12.0
12.0
4.5
2.5
3.75
18.0
21.5
25.0
18
21.5
18.5
22.1
25.7
AIR
DAMPER
DISC
SETTING
BURNER
HEAD
(APPLIANCE)
(APPLIANCE)
18.5
18
25
LD2X Short
28.5
32.0
N/A
N/A
0.50 80°ES
LD2X Short
LD2X Short
LD2SX Short
LD2SX Short
LD2SX Short
T2 Short
T2 Short
T2 Short
C
D
1
A
B
2
F
3
4
G
H
5
J
7
K
L
M
M
6
M