Cold Weather Kit; Reconfiguring The Fuel System - Generac Power Systems 20kW Owner's Manual

CONTROL PANEL
N1
N2
23
GENERATOR
194
CONNECTION
BOX 183
178
Battery
Charger
Input
120 Volt +
Neutral
Grd
Ground Level
STUB-UP AREA
Concrete Slab
See Install Dwg for

COLD WEATHER KIT

For cold climates, optional cold weather kit (part
number 0F6148) is recommended. The kit includes:
• Battery Warmer
• 4" Junction Box with hardware
• 6 qt. pack 5W-30 synthetic oil (engine)

RECONFIGURING THE FUEL SYSTEM

All models are configured for natural gas or LP
vapor from the factory.
To reconfigure the fuel system from NG to LP , follow
these steps:
1. Turn the main gas supply off.
2. Remove the carburetor fuel hose from the outlet
port (Port 1) of the demand regulator (Figure
6.2).
3. Remove the brass hose fitting from the outlet port
(Port 1) of the demand regulator.
4. Remove pipe plug from Port 2.
5. Install brass hose fitting into Port 2.
6. Install pipe plug into Port 1.
7. Connect carburetor gas hose to brass fitting.
8. Tighten all clamps and plugs.
9. Make sure fuel supply is of the proper pressure
and type for configuration.
09/05 A Rev. GenSpec013
Standby Generator Sets
Figure 1 — Interconnections
TO
ALTERNATOR
NEUTRAL
CIRCUIT
BREAKER
GROUND
FRAME RAIL
Dimensions
NOTE:
Specifications
Transfer Switch
4- # 14 GA
WIRES TO
GENERATOR
CONNECTION
BOX
10. Reverse the procedure to convert back to natural
gas.
11. The Dip switch inside the control panel must be
in the LP or NG position when switching to differ-
ent fuels.
Figure 6.2 — Reconfigure the Fuel System
Port 1
PLUG
NG FUEL SYSTEM
Port 1 is for NG only and Port 2 is for LP vapor
only. No provision for dual fuel has been made.

Serious injury or damage may occur if not con-
figured properly. Please consult an Authorized
Dealer with any questions.
6-2
Utility In
Gen
N1
N2
23
194 Load
186
Out
178
TO GENERATOR
CONNECTION BOX
To Generator Control Panel
CIRCUIT BREAKER SIZE
KW VOLTS / AMPS LUG SIZE
20 240 1 Ø 100 #4 to 1/0
20 208 3 Ø 80 #4 to 1/0
FUEL HOSE
FUEL HOSE
BRASS HOSE
BRASS HOSE
FITTING
FITTING
OUT
OUT
PORT 1
PORT 2
HOUSING
HOUSING
PORTS
PORTS
LP FUEL SYSTEM
NOTE:
DANGER
NEUTRAL
Port 2
PLUG