GE 040374 - Communication Lead Connections; Generator AC Electrical System

Not for
Reproduction
26
Communication Connections
Connect the applicable communication leads to the
automatic transfer switch as shown in the table below.
* Metric system rounded for simplicity
Pin
Number
Description Wire Type Connect To Notes
1 Normally Open
18 AWG [1 mm²] twisted pair conductors no longer than
61 m, 300V, 90°C copper wire
For Optional Alarm
2 Common
18 AWG [1 mm²] twisted pair conductors no longer than
61 m, 300V, 90°C copper wire
For Optional Alarm
3 Normally Closed
18 AWG [1 mm²] twisted pair conductors no longer than
61 m, 300V, 90°C copper wire
For Optional Alarm
4 Transfer Switch Communication
18 AWG [1 mm²] twisted pair conductors no longer than
61 m, 300V, 90°C copper wire
4 (T/R) on transfer switch board Must Connect
5
Transfer Switch Communication
Ground
18 AWG [1 mm²] twisted pair conductors no longer than
61 m, 300V, 90°C copper wire
5 (GND) Ground on transfer
switch board
Must Connect
6 +LED
18 AWG [1 mm²] twisted pair conductors no longer than
61 m, 300V, 90°C copper wire
Red wire on fault indicator plate
For Optional Fault
Indication
7 Ground
18 AWG [1 mm²] twisted pair conductors no longer than
61 m, 300V, 90°C copper wire
Black wire on fault indicator plate
For Optional Fault
Indication Ground
8 Not Used N/A N/A N/A
25 Utility 14 AWG [2.5 mm²] minimum 300v wire Transfer Switch Utility Must Connect
26 Utility 14 AWG [2.5 mm²] minimum 300v wire Transfer Switch Utility Must Connect
Generator AC Connection System
A single-phase, three-wire AC connection system is used in
the home generator. The stator assembly consists of a pair
of stationary windings with two leads brought out of each
winding. The junction of leads 22 and 33 forms the neutral
lead, as shown schematically and as a wiring diagram. A
complete schematic and wiring diagram can be found later
in this manual.
NOTICE Neutral is not bonded to ground at generator.
NOTICE Generator must be used with only an UL approved
transfer switch that is compatible with the generator.
240V
120V
120V
Power Winding
11
44
Neutral
Circuit
Breaker
33
22
Circuit
Breaker
3322 11 044
N
L1
L2