Pump Adjustments - Bosch Worcester Danesmoor Utility Regular ErP+ 12/18 Installation, Commissioning And Servicing Instruction Manual

2
3
4
1
Fig. 64 Priming the pump
[1] Oil supply
[2] De-aerator
[3] Return
[4] Flow
[5] Spare flexible oil hose
[6] Container of oil
[7] Oil pump flexible inlet hose
[8] Bleed and pressure gauge port
▶ Switch off the boiler.
▶ Safely dispose of the container/discharge.
6.4.3

Pump adjustments

▶ Fit a suitable pressure gauge to port [3] on the oil pump.
▶ Switch on the boiler and set a heating demand.
6
5
Fig. 65 Oil pump ports/connections
[1] Vacuum gauge port
[2] Pressure adjuster
[3] Bleed and pressure gauge port
[4] Return connection
[5] Inlet connection
[6] Auxiliary pressure gauge port
▶ Adjust the air shutter [3] figure 66 and pump pressure [2]
figure 65 to the values shown in the table 11 on page 41.
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
disk [5] is correct to the output values shown in table 11.
Adjust position of air damper discs to suit burner output
(see table 11 on page 41), located as shown in
figure 66. Access by undoing the two screws [4] to
release the air inlet cover.
Greenstar Danesmoor Utility ErP+ and Utility System
8
7 3
5
6
1
2
3
4
ErP+ - 6 720 821 720 (2018/04)
Fig. 66
[1] Reset button
[2] Blast tube
[3] Air shutter adjuster
[4] Captive screws air intake cover
[5] Air damper disk
Commissioning
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