Kohler KG180 - Page 88

88 TP-6694 2/25
50-150 kW Models
See Figure 35 and Figure 36.
Natural Gas Connections
• Disconnect lead 65 from lead N5.
• Disconnect leads 70G, 73B, and N8 from fuel solenoid valve FV2 (LPG vapor).
• Connect leads 70E, 73A, and 73B to fuel solenoid valve FV1 (NG).
LPG Vapor Connections
• Disconnect leads 70E, 73A, and 73B from fuel solenoid valve FV1 (NG).
• Connect leads 70G, 73B, and N8 to fuel solenoid valve FV2 (LPG vapor).
• Connect lead 65 to lead N5 (ground).
LPG Liquid Withdrawal Connections
• Connect leads 70G, 73B, and N8 to fuel solenoid valve FV2 (LPG vapor).
• Connect lead 65 to lead N5 (ground).
Dual Fuel Automatic Changeover Connections
Dual-fuel automatic changeover systems change fuels automatically. No changes in the fuel connections are required to change
from NG to LPG or vice-versa. See Figure 36 for connections.
Harness
Natural Gas
LPG Vapor
LPG Liquid
Auto Changeover
70E
P8 FV1
not used
not used
P8 FV1
73A
P8 FV1
not used
P8 FV1
N5
P8 FV1
not used
not used
P8 FV1
N9
not used
65
65
LFP2
65
not used
N9
N9
not used
63
LFP1-NC low fuel pressure sensor (if used)
N3
LFP1-COM low fuel pressure sensor (if used)
70G
not used
P7 FV1 (LPG)
P7 FV1 (LPG)
P7 FV4
73B
not used
P7 FV1
P7 FV1 (LPG)
P7 FV4
N8
not used
P7 FV1
not used
P7 FV4
70F
P6 FV2 (optional)
not used
P6 FV2 (optional)
N6
P6 FV2 (optional)
not used
P6 FV2 (optional)
N7
P6 FV2 (optional)
not used
P6 FV2 (optional)
70LP
N/A
N/A
P6 FV2 (optional)
N/A
73B2
N/A
N/A
P6 FV2 (optional)
N/A
Figure 35 Gaseous Fuel Electrical Connections, Typical 50-150 kW Models with PSI or GM Engine