Trane Starters Engineering Bulletin page 36

Medium-Voltage Starter Types (2,300–6,600 Volts)
5. The 2M contacts close to bypass the reactor and connect the compressor motor directly to the
Figure 27. Simplified primary reactor wiring diagram
F
F
Standard features
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Environmental specification
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Dimensions
Typical dimensions for remote-mounted primary reactor starters are shown in
Unit-mounted primary reactor starter dimensions are shown in
submittal drawings for as-built dimensions.
36
line.
LINE
VOLTAGE
1M
1M
1M
CPT
START-
STOP
PR
TRANSITION
Control-power transformer
Primary and secondary current transformers (CTs)
Potential transformers (PTs)
Grounding provisions
Bolted line-power connections
Bolted load-side connections for remote starters
Standard motor protection
Designed, developed, and tested in accordance with UL 347
NEMA 1 enclosure as standard
Operation from sea level to 6,000 ft (1,829 m)
Operating ambient temperature range 32°F to 104°F (0°C to 40°C)
• Relative humidity, non-condensing 5% to 95%
Non-operating ambient temperature range -40°F to 158°F (-40°C to 70°C)
Voltage utilization range ±10%
PRIMARY REACTOR
80% 65%
50%
OL 2M
2M
OL
2M
OL
PR
1M
2M
MOTOR
Figure 28, p.
Figure 29, p. 37. Always consult the
CTV-PRB004-EN
37.