Oil Burner And Pump - Bosch WORCESTER Greenstar Danesmoor Kitchen Regular ErP+ 18/25 Installation, Commissioning And Servicing Instruction Manual

Installation
5.7

Oil burner and pump

CAUTION: MAINS SUPPLIES
▶ Isolate the oil & water mains supply before starting
any work and observe all relevant safety precautions.
NOTICE: Nozzle orifice contamination
▶ to avoid contamination do not dismantle, clean or
touch the nozzle tip
Oil burner nozzle
Before removing or fitting a new nozzle refer to figure 50:
▶ Remove the screws [1] from the blast tube [2] and remove the blast
tube
There is a recirculation tube fitted to the 12/18 models,
this does not need to be removed from the blast tube
▶ Unplug the HT leads [4]
▶ Loosen the screw [3] securing the break plate[5] and slide the unit
off
▶ Use a suitable spanner to stop the nozzle body turning
▶ Remove the nozzle [8]and secure the new nozzle, hand tight
▶ Tighten the nozzle utilising the two spanners used during removal, do
not overtighten
▶ Refit the break plate ensuring that the photocell and the break plate
hole [5] are aligned and secure with the screw [3] into the seating
provided [7]
▶ Reconnect the HT leads [4]
▶ Refit the blast tube [2] and secure with the screws [1]
2
3
7
4
Fig. 50 Nozzle access
Refer to figure 51:
▶ Check that the nozzle [1] and the electrode [2] alignment settings
are correct.
▶ Ensure that the nozzle [1] is aligned centrally within the combustion
head [3].
▶ Inspect for any visible defects.
2 - 2.5mm
Fig. 51 Nozzle and electrode alignment
32
1
5
8
6
6720821683-12.1Wo
2
3 ± 0.3mm
4 ± 0.5mm
1
6720821683-14.1Wo
Burner head adjustment
The burner head adjustments are made to achieve the required output
from the burner. The adjustments are made via a thumb-wheel on the
burner. Refer to section 6.4.4 for setting information.
Oil pump - Single pipe connection
Connecting the oil pump for a single pipe system:
▶ The pump is factory set for single pipe operation with the flexible oil
pipe fitted.
▶ Check connections before use.
Oil pump - two pipe connection
Converting the oil pump for a double pipe system:
1. Check the inlet pipe connection.
▶ Unscrew the return plug [1].
▶ Screw in by-pass screw [2] that is supplied in a plastic bag attached
to the oil pump.
2. Connect the flexible oil pipe return hose [3] (not supplied) to the oil
pump and return pipe fixing and tighten to secure (for routing see
figure 46.
Fig. 52 Converting to double pipe system
[1] Return plug
[2] By-pass screw
[3] Return pipe connection
Greenstar Danesmoor Kitchen ErP+ and Kitchen System
1
3
ErP+ -6 720 821 686 (2018/11)
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