Trane Rooftop Units
Trane is known for producing highly reliable, durable commercial rooftop units with advanced controls and exceptional performance in demanding conditions.
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Technical Specifications
Capacity & Efficiency
Airflow & Pressure
Dimensions
Power Requirements
Common Issues & Solutions
Economizer damper failure
Symptoms:
Improper ventilation, stuck dampers, higher than normal energy bills
Solution:
Inspect actuator, linkage, and damper assembly. Clean and lubricate moving parts, recalibrate or replace actuator, repair or replace damaged components.
Condenser fan motor failure
Symptoms:
Reduced cooling capacity, compressor overheating, high head pressure
Solution:
Test motor windings, replace motor and capacitor as needed, check fan blade balance and condition.
Control board communication errors
Symptoms:
Error codes, intermittent operation, unresponsive controls
Solution:
Check for loose connections, verify proper voltage, reset controller, update firmware if applicable, replace board if damaged.
Cost Information
| Service | Average Cost | Cost Factors |
|---|---|---|
| Belt replacement | $150-$300 | Labor rates, accessibility, belt type, additional adjustments required |
| Blower motor repair/replacement | $500-$1,200 | Motor size, type (ECM vs PSC), labor rates, accessibility |
| New unit installation | $7,000-$25,000 | Unit size/capacity, efficiency rating, building modifications, crane requirements, removal of old equipment |
| Preventive maintenance contract | $800-$2,000 annually | Unit size, number of units, service frequency, included repairs |
Frequently Asked Questions
What makes Trane rooftop units different from other brands?
Trane RTUs are known for their durability, advanced Trane controls, high-efficiency compressors, and rigorous testing standards. They're designed to withstand harsh conditions and typically feature more robust components and cabinet construction.
How energy efficient are Trane commercial rooftop units?
Most Trane RTUs exceed minimum energy requirements with SEER ratings from 14 to 21+ depending on the model. Their high-efficiency models incorporate multi-stage compressors, variable speed fans, and advanced economizer controls to maximize efficiency.
What are common error codes on Trane RTUs?
Common Trane RTU error codes include: 1=Low pressure, 2=High pressure, 3=Supply fan failure, 4=Dirty filter, 5=Freezestat, 41=Low flame signal, 89=Communication failure. Always refer to the specific model's service manual for accurate code definitions.
How do I reset a Trane rooftop unit?
To reset a Trane RTU, locate the disconnect switch and turn it to the 'Off' position. Wait 1-2 minutes for the system to fully power down, then turn the switch back to the 'On' position. For persistent issues, consult a qualified technician rather than repeatedly resetting the unit.
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