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2–12 975-0307-01-01
Type 4
Type 4 is a three-wire StartStop configuration that uses relay 3 to provide
the preheat signal for Generac’s Guardian Gas generators.
Figure 2-6
Type 4 Connection Diagram
XW AGS Harness Wires
Generator Wires
18
17
16
14
13
12
20
19
FUEL PRIME (PREHEAT)
12V GENERATOR BATTERY +
Relay 1
Relay 3
Relay 2
5A fuse
5A fuse
5A fuse
GENERATOR RUN SIGNAL
STOP/PREHEAT
START
GENERATOR BATTERY NEGATIVE (–)
For additional information, see
“Circuit Limitations” on page 2–5.
Table 2-7
Type 4 Relay and Timing Preset Configurations
Relay Function Preset Configuration Setting
Relay 1 mode
StartStop
Relay 3 mode
Preheat
Gen Run signal hold time
10 s
Preheat time
60 s
Preheat to crank delay
5 s
Crank time
15 s
Crank retry time
15 s
Gen Cool Down
30 s
Shutdown bypass time
0 s
Start tries
3