Control Wiring - Generac Power Systems G007144 Installation Manuallines

Electrical Connections

Control Wiring

1 1
0 N1
1
1
2
2
N2
194
2
2
3
3
23
T1
3
3
4
T2
4
ID Description
A Control wire terminal block
B Sense wire terminal block
C1 Wire tie for sense wires
Table 6-2. Customer Wiring Connections
Terminal Numbering
Decal
ORANGE / YELLOW N1 - Fused 220-230-240 VAC, 6A — Sens-
TAG ing for mains power dropout and pickup
LIGHT BLUE / YEL-
N2 - Neutral for N1
LOW TAG
T1 - Fused 220-230-240 VAC, 6A for battery
charger.
ORANGE / DARK
NOTE: Circuit must be backed up to power the
BLUE TAG *
generator controller at all times and keep the
battery charged.
LIGHT BLUE / DARK
T2 - Neutral for T1
BLUE TAG *
WHITE ** 0 - DC (-) Common ground wire
BLACK 194 - DC (+) 12 VDC for transfer controls
BLUE 23 - DC (-) Transfer control signal wire
* Must be connected to keep battery charged and provide power to control panel whether unit is running or not.
** Required if generator set is paired with Generac Smart Power management transfer switch.
32
E1
E2
J
Figure 6-1. Electrical Wiring Connections
Table 6-1. Electrical Wiring Connection Points
ID Description
C2 Wire tie for control wires
D No service connections
E1 Power lug E1
Wire Numbers
B
A
D F
ID Description
E2 Neutral lug
F Ground stud
Protective earth (PE) ground
G
lug
Table 6-3. Control Wire Recommended Length and Size
(Copper conductors only)
Maximum Wire Length
0.3–35 m (1–115 ft)
35–56 m (115–185 ft)
56–89 m (185–295 ft)
89–140 m (295–460 ft)
Installation Guidelines For 50 Hz Air-Cooled Generator Sets
C2
C1
005967
G
ID Description
J Alternator winding junction
— —
—
—
Recommended Wire Size
No. 18 AWG
No. 16 AWG
No. 14 AWG
No. 12 AWG