Trane-Supplied Starter Wiring - Trane CVHE Installation, Operation And Maintenance Manual

Electrical Requirements
WARNING
Live Electrical Components!
Failure to follow all electrical safety precautions when
exposed to live electrical components could result in
death or serious injury. During installation, testing,
servicing and troubleshooting of this product, it may be
necessary to work with live electrical components.
Have a qualified licensed electrician or other individual
who has been properly trained in handling live
electrical components perform these tasks.

Trane-Supplied Starter Wiring

Table 12. Standard field power wiring requirements
Power Supply Wiring
to Starter Panel
3-Phase Line Voltage
3-Phase Line Voltage: Circuit Breaker
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)
High Pressure Cutout to Starter
1Q1 Circuit Breaker to Starter
Oil Pump Interlock
Low Voltage Circuits
less than 30 Vac
Standard Circuits
Inter Processor Communications (IPC)
(c)
Remote Mounted
Notes:
1. All wiring to be in accordance with National Electrical Code and any local codes.
2. Oil pump motor: 1 PH, 3/4 hp, 11.7 full load amps at 115 Vac.
3. Auxiliary equipment must be powered from other sources as the chiller control panel power supplies are sized for the chiller loads only.
(a) Ground lug for a unit-mounted solid state starter or wye-delta starter is sized to accept 14 AWG solid to 8 AWG strand wire. If local codes require
different lug size, it must be field-supplied and -installed.
(b) Wires, lugs, and fuses/breakers are sized based on National Electric Code NEC [NFPA 70] and UL 1995.
(c) Must be separated from 120 Vac and higher wiring.
Note: CPTR, Control Power Transformer (Enhanced
Electrical Protection Package option): A unit-
mounted, factory-wired, separate enclosure
positioned next to the control panel is available
when separate source control power is required.
This permits the controls to remain powered while
the three-phase line voltage is disconnected.
Contact your local Trane representative for more
information.
44
Starter Panel
Terminals
(a)
2X3-L1, L2, L3, and GROUND
2Q1-L1, L2, L3, and GROUND
Starter
T1 through T6
Starter Panel
Terminals
2X1-1, 2X1-2
2X1-20 (Ground)
2X1-4
2X1-6
2X1-7, 2X1-8
Starter Panel
Terminals
2A1-J3-3-4, or
2X1-12 to 13 if present (do not
ground shield at starter)
Motor
T1 through T6
Max Terminal
Unit Control Panel Wire Size
Terminations (AWG
1X1-1, 1X1-12
1X1-18 (Ground)
1X1-4
1X1-3
1A7-J2-4, 1A7-J2-2
Unit Control Panel
Terminations
1A1-J5-1-2, 3-4
2 wire with ground
Shield ground at
Comm link
1X1-22 (GND) only.
Minimum Circuit
(b)
) Ampacity
8 40
14 20
14 20
14 20
CVHE-SVX02H-EN