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Worcester Greenstar Danesmoor Utility Regular ErP 25/32

Worcester Greenstar Danesmoor Utility Regular ErP 25/32
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Commissioning
Greenstar Danesmoor Utility
ErP
and Utility System
ErP
- 6 720 813 286 (2014/09) 37
Fig. 62
Repeat the procedure at least 3 times or until a steady stream of oil,
without air, runs from the bleed port, then lock the bleed port.
Switch off the boiler.
Remove the oil pump filter, clean with kerosene and refit.
The internal filter is accessed by removing the oil pump cover.
Safely dispose of the container/discharge.
Fit a suitable pressure gauge to port (A) on the oil pump.
Adjust the air shutter (L) and pump pressure (B) as shown in the
table 8 on page 38. The burner should ignite following a pre-ignition
period of approximately 15 seconds.
If changing the burner output, check the position of the air damper
disc is correct to the output as shown in the table below.
Fig. 63
[A] Bleed and pressure gauge port
[B] Pressure adjustment
[C] Vacuum gauge port
Fig. 64
Boiler lock out indicator on:
If the burner fails to establish a normal firing pattern or flame failure
occurs the flame monitoring photocell mounted in the burner body will
alert the burner control box to shut the burner down and provide a safe
lockout state indicated by the illumination of the lockout indicator (D).
Wait 2 minutes then press the lockout reset button D (see figure 67)
to initiate another start sequence.
Repeat procedure until a flame is established.
1. Start and run for 3 minutes then switch off.
Check for after-spurting from the nozzle, indicated by oil saturation
on the combustion head (G figure 67).
If after-spurting occurs:
Release the burner retainer nut (F).
Remove the burner, combustion head (G). and electrodes, hold the
burner vertical to unscrew the nozzle and fill the nozzle holder with
kerosene.
Refit nozzle, electrodes, combustion head (G) and the burner.
Restart and run for 3 minute intervals until after-spurting stops.
Fig. 65
2. Start and run for 20 minutes
Remove sampling point plug (K) to check the smoke reading is
between 0-1. If the smoke level is above 1, check the combustion
settings are correct and the oil nozzle is in good condition.
Fig. 66
▶Check the CO
2
levels and adjust the air shutter (L) setting according
to the table opposite.
Check the flue gas temperature is close to the values shown in the
table 8 on page 38.
Adjust position of air damper discs to suit burner output
(see table 8 on page 38), located as above. Access by
removing the two star screws (SC) to release the air inlet
manifold.
D
6720809436-15.1Wo
C
B
A
RIELLO
RDB OIL PUMP
6720808218-54.1Wo
12/18
18/25
12 - 15
18
18
21.5
25
D
G
SC
SC
6720808218-57.1Wo
12/18 ONLY
black foam strip
& half disk
L
Smoke readings may be inaccurate until the smoke from
burning organic binder in the access door insulation has
ceased.
If the flue gas temperature is too high and the baffles are
correctly fitted, then reduce the oil pump pressure (B) 5-
10p.s.i. to compensate for nozzle variations.
1.
F
6720808218-59.1Wo
2.
K
6720808218-60.1Wo

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