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Commissioning
2
Fig. 76
APPLIANCE MUST BE SET TO CO
Air settings are approximate, as flue length and nozzle
variations will affect them.
6.3.7
Finish commissioning boiler checks
▶ Check the CO2 levels, refer to table 9 and adjust the air shutter [4].
▶ Check the flue gas temperature is close to the values in table 9.
If the flue gas temperature is too high and the baffles are correctly fitted,
then reduce the oil pump pressure [2] 5-10 p.s.i. to compensate for
nozzle variations.
▶ Turn off the electrical supply.
▶ Isolate the oil supply to the burner.
▶ Remove the oil pressure gauge.
Nominal boiler rating at normal operating temperature using Kerosene (Class C2)
Oil pump
pressure
Fuel flow rate
Nozzle
bar
psi
Kg/h
Greenstar Heatslave II 12/18 model
0.40 x 80° EH
8.5 123 1.12 1.38
0.40 x 80° EH 10.0 145 1.30 1.60
0.50 x 80° EH 10.0 145 1.54 1.90
Greenstar Heatslave II 18/25 model
0.50 x 80° EH 10.0 145 1.54 1.90
0.60 x 60° EH
8.8 128 1.84 2.28
0.65 x 80° EH
9.5 138 2.15 2.66
Greenstar Heatslave II 25/32 model
0.65 x 80° EH
9.8 142 2.15 2.66
0.75 x 80° EH 10.3 150 2.46 3.04
0.85 x 80° EH 10.0 145 2.78 3.44
Table 9 Combustion settings
1) Internal boilers with flues less than 4 metres
44
LEVELS.
2
Approx
flue gas
Combustion
temp.
CO
head settings
2
l/h
°C
%
mm
67
12.0
10.5
70
11.5
11
80
12.0
11.5
76
12.5
12.5
81
12.5
14
90
12.5
15
79
11.5
19
84
12.0
19
85
12.5
19
▶ Refit the blanking plug [1].
▶ Check and rectify any oil leaks.
1. Switch on the oil supply.
▶ Switch on the electrical supply.
▶ Restart the boiler and run for 5 minutes.
▶ Recheck the CO2 levels and if required, adjust the air shutter
setting [4] to obtain the correct CO
▶ Refit the sample point cap (hand tighten only, do not over tighten)
and refit the burner cover.
▶ Complete the oil boiler commissioning checklist at the back of this
manual.
3
2
Fig. 77
[1]
Bleed and pressure gauge port blanking plug
[2]
Pressure adjustment
[3]
Vacuum gauge port
[4]
Air shutter setting
Approx.
Input
Output
air
(appliance)
(appliance)
setting
kW
kW
2.3
13.2
13.0
1.75
15.3
15
2.5
18.3
18.0
1.5
18.3
18.0
3.25
21.9
21.5
3.25
25.5
25.0
3.5
25.5
25.0
4.25
29.1
28.5
4.75
32.7
32.0
Greenstar Heatslave II
2
level.
1
4
6720821683-27.1Wo
Air
damper
Flue
disc
damper
setting required
Burner head
A
Yes
BX & recirculation tube
B
Yes
BX & recirculation tube
C
Yes
BX & recirculation tube
N/A
Yes
BX
N/A
Yes
BX
N/A
Yes
BX
N/A
No
BX
N/A
No
BX
1)
N/A
Yes
BX
2022 +
6 721 843 978 (2022/01)
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