Trane Starters Engineering Bulletin page 21

Figure 12. Unit-mounted, wye-delta starter
Standard features
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CTV-PRB004-EN
2
Unit or floor mounted
Control-power transformer
Padlock tab for additional locking of the starter door
Line-side connection terminal block/main lug only
UL and CUL certified
Environmental specification
Designed, developed, and tested in accordance with UL 508
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 percent to 95 percent
Non-operating ambient temperature range -40°F to 158°F (-40°C to 70°C)
Voltage utilization range ±10 percent
Low-Voltage Starter Types
1. Top-entry power only
1
2. 4 kVA control-power
transformer
3. Circuit breaker (optional)
4. Transition resistors
2
3
4
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