Kohler Decision-Maker 3000 Operation

90 TP-6694 9/20
For KG80–KG125, KG80R–KG125R (Kohler Engines KG6208TSD and KG6208THD), use the following:
See Figure 37 and Figure 38.
Natural Gas Operation
 Disconnect the black fuel connector (J7).
 Disconnect 49 and N17.
 Connect the white fuel connector (J8).
 For UL applications, connect the optional UL fuel blocking valve (J30).
LPG Vapor Operation
 Disconnect the white fuel connector (J8).
 Connect the black fuel connector (J7).
 Connect 49 and N17.
 For UL applications, connect the optional UL fuel blocking valve (J30).
Auto Changeover Natural Gas/LPG Vapor Operation
 Connect the white fuel connector (P8 to J8)
 Connect the black fuel connectors together in series (P7 to J7, P7A to J7A).
 Connect 49 to 49B (QCON10).
 Connect 49B to LFP3, Normally Open terminal.
 Connect LP1 to LFP3, Common Terminal.
 Connect 49A to LFP2, Normally Closed terminal.
 Connect N17 to N17B (QCON9).
 Connect N17B and N17A to LFP2 Common terminal.
 Connect the UL fuel blocking valve (J30).
Harness
Natural Gas
LPG Vapor
Auto Changeover
White Connector (P8)
NG fuel valve (J8)
not used
NG fuel valve (J8)
N17
not used
49 (QCON 10)
N17B (QCON 9)
49
not used
N17 (QCON 9)
49B (QCON 10)
49a
not used
not used
LFP2-NC
Black Connector (P7)
not used
LPG fuel valve (J7)
LPG fuel valve (J7)
63
LFP1- NC, Optional alarm
LFP1-NC
N16
LFP1- COM, Optional alarm
LFP1-COM
White Connector (P30)
Optional blocking fuel valve for UL requirements
Required blocking fuel valve for UL
requirements
49B
not used, Auto Changeover Only
49 (QCON 10), LFP3 (NO)
LP1
not used, Auto Changeover Only
LFP3-COM
N17A
not used, Auto Changeover Only
LFP2-COM
N17B
not used, Auto Changeover Only
N17 (QCON 9), LFP2-COM
Figure 37 Gaseous Fuel Electrical Connections, KG80–KG1250/KG80R–KG125R

Kohler Decision-Maker 3000 Specifications

General

Brand	Kohler
Model	Decision-Maker 3000
Category	Controller
Language	English