Instruction manual

1.11 Technical Details.
Table 5. Burner Settings - Natural Gas (G20)
Heater
Model
Heat Input kW
Gas
Flowrate
(m³/hr)
Injector
Pressure
(mbar)
Injector
Size
(mm)
*Size
(h x l x w)
*Weight
(Kg)
Fan
Rating
(A)
Fan
Type
Gross Nett
VSXO20UT
20.0 18.0 1.9 9.2 7 x 1.7 445x4120x826 104 1.0 2507
VSXO25UT
25.0 22.5 2.4 10.0 7 x 1.9 445x4120x826 104 1.0 2507
VSXO30UT
32.0 28.8 3.1 11.5 7 x 2.1 445x5955x826 142 1.0 2507
VSXO35UT
36.0 32.4 3.5 11.5 7 x 2.3 445x5955x826 142 1.0 2507
VSXO40UT
40.0 36.0 3.8 11.0 7 x 2.7 445x5955x826 142 0.5 2560
VSXO45UT
44.0 39.6 4.2 11.6 7 x 2.9 445x7760x826 182 0.5 2560
VSXO50UT
48.0 43.2 4.6 12.8 7 x 2.5L 445x7760x826 182 0.5 2560
Note* For Optima heaters fitted with decorative end mouldings, Length increases by a further 1056mm, weight increases by 6Kg
VSO15UT
15.0 13.5 1.4 10.2 7 x 1.3 298x4049x826 97 0.5 2501
VSO20UT
20.0 18.0 1.9 11.0 7 x 1.5 298x4049x826 97 0.5 2501
VSO25UT
25.0 22.5 2.4 9.2 7 x 1.8 298x4049x826 97 0.5 2501
VSO30UT
32.0 28.8 3.1 10.8 7 x 2.0 298x5884x826 135 1.0 2507
VSO35UT
36.0 32.4 3.5 9.0 7 x 2.3 298x5884x826 135 1.0 2507
VSO40UT
40.0 36.0 3.8 8.0 7 x 2.7 298x5884x826 135 0.5 2560
VSO45UT
44.0 39.6 4.2 8.9 7 x 2.9 298x7689x826 175 0.5 2560
VSO50UT
48.0 43.2 4.6 9.1 7 x 2.5L 298x7689x826 175 0.5 2560
Heater
Model
Heat Input kW
Gas
Flowrate
(m³/hr)
Injector
Pressure
(mbar)
Injector
Size
(mm)
*Size
(h x l x w)
*Weight
(Kg)
Gross Nett
VSO15UH
15.0 13.5 1.4 10.2 7 x 1.3 298x4049x826 97
VSO20UH
20.0 18.0 1.9 11.0 7 x 1.5 298x4049x826 97
VSO25UH
25.0 22.5 2.4 9.2 7 x 1.8 298x4049x826 97
VSO30UH
32.0 28.8 3.1 10.8 7 x 2.0 298x5884x826 135
VSO35UH
36.0 32.4 3.5 9.0 7 x 2.3 298x5884x826 135
VSO40UH
40.0 36.0 3.8 8.0 7 x 2.7 298x5884x826 135
VSO45UH
44.0 39.6 4.2 8.9 7 x 2.9 298x7689x826 175
VSO50UH
48.0 43.2 4.6 9.1 7 x 2.5L 298x7689x826 175
No of Injectors
1
Gas Connection
½ in BSP Internal thread
Flue Nominal Bore mm (in)
125 (5)
Unitary Fan Motor Details
230 volt 1 phase 50Hz