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1.8 INJECTOR DIAMETERS

 

 

Model

 

Natural

 

Propane

 

Open top

 

Ø1.93mm

 

Ø1.2mm

 

Fusion Burner

 

Ø1.0 mm

 

Ø

 0.5mm 

Ovens

 

Ø2.2mm

 

Ø

 1.33mm 

 

 

1.8.1 Fusion Burner pilot Injectors 
 

Natural Gas 

Propane Gas 

G27.2 

G22.1 

 

1.9  GAS PRESSURE ADJUSTMENT 

NATURAL and PROPANE GAS 
 

   The following supply pressures apply to both all units. 
 

Gas type 

mbar 

Natural  

20 

Propane  

37 

 
Pressure test point is located on RH side of gas  

manifold situated behind the front control panel. 
 

An adjustable governor (¾ BSP) is provided on Natural 

 gas units.. This should be adjusted to achieve an 

operating pressure at control manifold of 15mbar. 

For muti-burner systems, approximately half of the 
burners should be on when setting governor pressure. 

 

 

1.10  BURNER ADJUSTMENTS NATURAL and    

PROPANE GAS. 

 

1.10.1  Burner Aeration 

Open top, fusion and oven burners are fitted with fixed 
injectors and set aeration apertures..  NO 
ADJUSTMENT is possible. 

 
1.10.2 Bypass Screw Diameters

 

Minimum  gas  flow  to  burner  is  governed  by  size  of 

fixed by-pass screw hole as follows

:-

 

 

 

Natural Gas

 

Propane Gas

 

Model

 

Marked

 

Marked

 

Open Top

 

76

 

51

 

Oven

 

93

 

55

 

 

 

The fusion burner has no bypass screw.

Содержание Dominator Plus G3151

Страница 1: ...ions should be left with the Engineer in Charge for reference during servicing Further to this The Users Instructions should be handed over to the User having had a demonstration of the operation and...

Страница 2: ...on systems Gas water and electrical supply external to unit Light bulbs Re installing vacuum in kettle jackets Replacement of grill burner ceramics when damage has been clearly caused by misuse Where...

Страница 3: ...VENTILATION Adequate ventilation must be provided to supply sufficient fresh air for combustion and allow easy removal of combustion products which may be harmful to health Recommendations for Ventil...

Страница 4: ...rnor BSP is provided on Natural gas units This should be adjusted to achieve an operating pressure at control manifold of 15mbar For muti burner systems approximately half of the burners should be on...

Страница 5: ...ner heads fit loosely upon aluminium bases of lift off construction 2 1 1 Fryplate Accessory If fryplate Figure 2 is supplied refer to user instructions for details Important note this should be opera...

Страница 6: ...d select 210 C setting Allow oven to heat up and check temperature is 210 C 10 C If reading is outwith specified range the thermostat may be faulty In this case unit should be serviced see thermostat...

Страница 7: ...gure 7 a Remove control panel b Unscrew and remove existing low position screw from open top tap c Insert replacement screw into open top tap and secure Repeat for all taps d Refit control panel 3 1 3...

Страница 8: ...venturi that sit loosely upon injector holder The hob is retained by ballstud fixings at each corner Lift hob clear to access burner support brackets 3 2 3 To Remove Hob Remove fixings that secure fr...

Страница 9: ...ove Thermocouple Remove facia panel as detailed in Section 3 2 1 Remove hob fitments See Sections 3 2 2 or 3 2 3 as required Remove RH side panel Undo thermocouple nut at thermostat rear Open over doo...

Страница 10: ...otects the breather hole When checking for gas leaks around governor be aware that unburned gas may be vented occasionally to release pressure on diaphragm This should not be confused with a gas leak...

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