Kohler 36VDC Handleiding voor installatie-instructies - Pagina 13
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1.6.1
Fuel Supply
Because of variable climates and geographical
considerations, contact the local fuel supplier for fuel
system planning and installation. Figure 1-3 lists the
recommended fuel ratings and other fuel supply
information for natural gas and LPG fuels.
Figure 1-3
Fuel type
Fuel supply inlet
Fuel supply pressure,
kPa (in. H
O)
2
Fuel flow rate, maximum, Btu/hr.
Nominal Fuel Rating, Btu/ft.
Natural gas
LPG
Figure 1-3
Fuel Supply
Verify that the output pressure from the primary gas
utility pressure regulator is as shown in Figure 1-3 and
that the utility gas meter flow rate is sufficient to supply
the generator set at rated load plus all other
gas-consuming appliances. For LPG tanks, verify that
the output pressure is as shown in Figure 1-3. See
Figure 1-5 for fuel consumption.
supplier for flow rate information or a gas meter
upgrade.
Model
6VSG
Nominal fuel rating: Natural gas:
LPG conversion factors:
Figure 1-5 Fuel Consumption
TP-6842 7/15
Natural
LPG
Gas
1/2 NPT
1.3-2.7
1.7-2.7
(5-11)
(7-11)
115,000
106,000
3
1000
2500
Contact the fuel
Fuel Type
Natural Gas
LPG
37 MJ/m
LPG
93 MJ/m
8.58 ft.
0.535 m
36.39 ft.
The dimension drawings in Figure 2-3 and 2-4 shows
the location of the fuel inlet connection. Use flexible
sections to prevent fuel line breakage caused by
vibration.
Protect all fuel lines from machinery or
equipment contact, adverse weather conditions, and
environmental damage.
1.6.2
Fuel Pipe Size
Ensure that the fuel pipe size and length meet the
specifications in Figure 1-4. Measure the pipe length
from the primary gas pressure regulator to the pipe
connection on the generator set fuel inlet. Add 2.4 m
(8 ft.) to the measured length for each 90 degree
elbow. Compare the total pipe length with the chart in
Figure 1-4 to find the required pipe size.
Contact local LPG or natural gas provider for LPG or
natural gas installation information.
Figure 1-4
Minimum Gas Pipe Size Recommendation, in. NPT
Pipe Length,
m (ft.)
(115,000 Btu/hr.)
8 (25)
15 (50)
30 (100)
46 (150)
61 (200)
Figure 1-4
Fuel Pipe Size Recommendations
Figure 1-5
Fuel Consumption,
% Load
100
75
50
25
100
75
50
25
3
3
(1000 Btu/ft.
)
3
3
(2500 Btu/ft.
)
3
= 1 lb.
3
= 1 kg
3
= 1 gal.
Natural Gas
LPG
(106,000 Btu/hr.)
3/4
1/2
1
3/4
1
3/4
1
3/4
1
1
3
m
/hr. (cfh)
3.3 (116)
2.7 (96)
2.1 (75)
1.8 (62)
1.2 (42)
1.0 (35)
0.9 (32)
0.7 (27)
Section 1 Installation
13