Trane Starters Engineering Bulletin page 24

Low-Voltage Starter Types
Figure 16. Unit-mounted, solid-state starter
Environmental specification
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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% to 95%
Non-operating ambient temperature range -40°F to 158°F (-40°C to 70°C)
Voltage utilization range ±10%
1. Top-entry line power
2. Intelligent technology (IT)
controller
3. Starter control board
4. Potential transformers
5. 4 kVA control-power
transformer
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CTV-PRB004-EN