Customer-Supplied Remote Starter Wiring
Table 11. Standard customer-supplied remote field wiring requirements
Power Supply Wiring to Starter
Panel
Starter Panel Termi-
nals
Starter by others 3-phase power wiring See starter by others sche-
matic
Starter to Motor Power Wiring
Starters
Motor
Remote starter to chiller motor junc-
tion box
T1 through T6 terminals
T1 through T6 termi-
nals
Starter to Control Panel 120 Vac
Control Wiring
Starter Panel Termi-
nals
Unit Control Panel
Terminations
Max Terminal Wire
Size
Minimum Circuit
Ampacity
120 Vac Power Supply (from starter to
control panel)
See starter by others sche-
matic 5X1-1, 5X1-2, 5X1-
20 (ground)
1X1-1, 1X1-12, 1X1-
18 (ground)
8 ga. (10 mm
2
)
40
Power from control panel 1Q1
5X1-3
1X1-3, 1A23-J6-3
14 ga. (2.5 mm
2
)
20
Interlock relay signal
5X1-4
1A23-J10-1
14 ga. (2.5 mm
2
)
20
Start contactor signal
5X1-5
1A23-J8-1
14 ga. (2.5 mm
2
)
20
Oil pump interlock
5X1-7, 5X1-8
1A7-J2-4, 1A7-J2-2
14 ga. (2.5 mm
2
)
20
Run contactor signal
5X1-10
1A23-J6-12
14 ga. (2.5 mm
2
)
20
Transition complete
5X1-14
1A23-J12-2
14 ga. (2.5 mm
2
)
20
Low Voltage Circuits less than
30 Vac
Starter Panel Termi-
nals
Unit Control Panel
Terminations
Standard Circuits
Current Transformers* (see table next
page)
(Required)
5CT4- white, black
5CT5- white, black
5CT6- white, black
1A23-J7-1,2
1A23-J7-3,4,
1A23-J7-5,6,
Note: Phasing must be
maintained
Potential Transformers (Required)
5T17-236,237
5T18-238,239
5T19-240,241
1A23 –J5-1,2,
1A23 –J5-3,4,
1A23 –J5-5,6
Note: Phasing must be
maintained
Note:
All wiring to be in accordance with National Electrical Code and any local codes.
Note:
Starter by others specification available from your local Trane sales office.
2.
Refer to ship-with wiring schematics; some terminals may vary based on unit.
(a)
For AWG/MCM equivalents in mm
2
. Wires, lugs, and fuses/breakers are sized based on
National Electric Code NEC [NFPA 70] and UL 1995.
(b)
Refer to submittal and ship-with wiring schematics for voltage requirements.
(c)
Solid State Starter Fault input is used with low-and medium-voltage, customer-supplied solid state starters only.
(d)
Must be separated from 120 Vac and higher wiring.
RELEASED 10/Mar/2020 06:59:20 GMT