Kohler KG180 - Page 91

TP-6694 2/25 91
For KG40, KG45, KG50, KG60 (KG6208 Engine), use the following:
See Figure 39 and Figure 40.
Natural Gas Operation
• Disconnect 78/N32 and 70G/70R from the fuel valve.
• Disconnect 49 and N17.
• Connect 77/N31 and 70H/70T to the fuel valve.
LPG Vapor Operation
• Disconnect 77/N31 and 70H/70T from the fuel valves.
• Connect 78/N32 and 70G/70R to the fuel valves.
• Connect 49 and N17.
Auto Changeover Natural Gas/LPG Vapor Operation
Automatic changeover dual fuel systems are factory connected. No changes to the electrical connections for a dual fuel system
are required in the field. The connections are shown in the next table and in the connection diagrams following the table for
reference.
Harness
Natural Gas
LPG Vapor
Auto Changeover
77/N31
QCON-14,
QCON-15
(NG fuel valve)
not used
QCON-15
(NG fuel valve)
70H/70T
QCON-12,
QCON-13
(NG fuel valve)
not used
QCON-12/
QCON-13
(NG fuel valve)
N17
not used
49, QCON-10
LFP2-COM
N31
QCON-14
(NG fuel valve)
not used
QCON-14
(NG fuel valve)
49
not used
N17, QCON-9 (LPG fuel valve)
77
QCON-15
(NG fuel valve)
not used
QCON-15
(NG fuel valve)
78/N32
not used
QCON- 19 (LPG fuel valve)
70G/70R
not used
QCON- 16/QCON- 17 (LPG fuel valve)
N32
not used
QCON- 17 (LPG fuel valve)
78/78B1
not used
QCON- 19 (LPG fuel valve)
70K
not used
not used
Reset Box
78B
not used
not used
Reset Box
49/49B
LFP3-NO
45C
LFP2-NC
N17/N17B
LFP2-COM
63
LFP1- NC (Optional alarm)
N16
LFP1- COM (Optional alarm)
Figure 39 Gaseous Fuel Electrical Connections, KG40–KG60