System Connectors - GE 20 kW Home Installation And Start-Up Manual

system connectors

Low Voltage connections to signal fault contacts, transfer switch communication and auxiliary 12VDC power are made via a
field connection terminal block in control board area. Compare this illustration with your generator to familiarize yourself with
the location of these connections.
a
- two Pin terminal Block — Used to connect utility
240 VAC from fuse block in ATS to the control board.
Connect only one wire per terminal.
B
- fault contacts — Use NO, COM and NC to hook up a
siren, light, etc. to alert you in case of a fault. Contacts
reverse state (NO goes to NC and vice versa) upon a
fault condition.
c
– transfer switch communication (txrx and txrx
GnD) — Connect to transfer switch control board for
communication interface using 18AWG twisted pair
wire.
• For power output connection (Line 1, Line 2, Neutral, and Ground), refer to the following table:
Power output connections
minimum 300V, 75°c
• Reference NEC 2011 table 310.15 (B) (16) • Use National Electric Code for correction factors and wire size calculations.
• For utility circuit connection (Utility A and Utility B) use #14 AWG minimum 300 volt wire.
• For transfer switch communication use #18 AWG twisted pair conductors, no greater than 200 ft in length, 300 volt wire.
• When connecting to the terminal block, fasten only one wire to each connector screw.
• Torque terminal block screws to 4.4 in-lb (0.49 Newton meter).
• Torque circuit breaker connections to 45 in-lb (5 Newton meter).
A
]
]
NEUTRAL
GROUND
]
]
LINE 1
LINE 2
e
15 kW
6AWG Copper 4AWG Copper
4AWG Aluminum 3AWG Aluminum
G
f
D
– +LeD and GnD connection — Not required for wireless
monitor included with unit. Available for optional
hardwired remote system status panel accessory,
#6154.
e
- eight Pin terminal Block — Used to connect signal
wires to the control board. Connect only one wire per
terminal.
f
- Power connection (Line 1 and Line 2) — Power
connection to transfer switch.
G
- neutral and Ground connection — Connect to transfer
switch neutral and ground
17 kW 20 kW
4AWG Copper
2AWG Aluminum
UTILITY A
UTILITY B
]
]
NO
COMM B
NC
] ]
TxRx
c
TxRx GND
]
]
+LED
D
GND
N/C
25