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Customer-supplied Remote Starter Wiring
Table 15. Standard customer-supplied remote field wiring requirements
Power Supply Wiring to Starter Panel
Starter by Others 3-phase Power Wiring
Starter to Motor Power Wiring
Remote Starter to Chiller Motor Junction Box
Starter to Control Panel 120 Vac Control Wiring
120 Vac Power Supply (from Starter to Control
Panel)
Power from Control Panel 1Q1
Interlock Relay Signal
Start Contactor Signal
Oil Pump Interlock
Run Contactor Signal
Transition Complete
Low Voltage Circuits Less than 30 Vac
Standard Circuits
Current Transformers (refer to table in
Transformer and Potential Transformer Wire
Sizing," p.
58) (Required)
Potential Transformers (Required)
Solid State Stater Fault
Notes:
1.
All wiring to be in accordance with National Electrical Code (NEC) and any local codes.
2.
Starter by Others Specification available from your local Trane sales office.
(a)
Wires, lugs, and fuses/breakers are sized based on National Electric Code (NEC) [NFPA 70] and UL 1995.
(b)
Must be separated from 120 Vac and higher wiring.
(c)
Solid State Starter Fault input is used with low- and medium-voltage, customer-supplied solid state starters only.
Current Transformer and
Potential Transformer Wire
Sizing
For customer-supplied starter-to-chiller unit control panel
starter module 1A23; these wires must be separated from
120 Vac or higher wiring.
58
Starter Panel Terminals
See Starter by Others Schematic
Starters
T1 through T6 Terminals
Starter Panel Terminals
See Starter by Others Schematic
5X1-1, 5X1-2, 5X1-20 (Ground)
5X1-3
5X1-4
5X1-5
5X1-7, 5X1-8
5X1-10
5X1-14
Starter Panel Terminals
"Current
5CT4-white, black
5CT5-white, black
(b)
5CT6-white, black
5T17-236,237
5T18-238,239
5T19-240,241
5X1-11
(c)
5X1-12
Motor
T1 through T6 Terminals
Max Terminal Wire
Unit Control Panel
Size (AWG)
Terminations
1X1-1, 1X1-12, 1X1-30
(Ground)
1X1-3, 1A23-J6-3
1A23-J10-1
1A23-J8-1
1A7-J2-4, 1A7-J2-2
1A23-J6-12
1A23-J12-2
Unit Control Panel
Terminations
1A23-J7-1,2
Note: Phasing must be
1A23-J7-3,4
1A23-J7-5,6
1A23-J5-1,2
Note: Phasing must be
1A23-J5-3,4
1A23-J5-5,6
1A24-J2-1
1A24-J2-2
Table 16. Maximum recommended wire length for
secondary current transformer (CT) leads in
dual CT system
Wire AWG
(a)
8
10
12
14
16
17
18
20
Notes:
1.
Wire length is for copper conductors only.
2.
Wire length is total one-way distance that the CT can be from the starter
module.
(a)
Wires, lugs, and fuses/breakers are sized based on National Electric Code
(NEC) [NFPA 70] and UL 1995.
Minimum Circuit
(a)
Ampacity
8
40
14
20
14
20
14
20
14
20
14
20
14
20
maintained.
maintained.
Maximum Wire Length
Secondary CT Leads
Feet
Meters
1362.8
415.5
856.9
261.2
538.9
164.3
338.9
103.3
213.1
65.0
169.1
51.5
134.1
40.9
84.3
25.7
CVHE-SVX005C-EN
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