Troubleshooting

Checklist

Problem

Heating

Cooling

Cause

Correction

 

X

X

Main power off

Check fuses

No response to any

X

X

Defective control transformer

Replace

X

X

Broken or loose connection

Repair

thermostat setting

X

X

Defective thermostat

Replace

 

 

X

X

Transformer

Reset Transformer

Unit short cycles

X

X

Thermostat or sensor improperly located

Relocate

 

X

X

Defective compressor overload

Replace (if external)

 

X

X

Defective compressor contactor

Replace

Blower runs, but compressor does not

X

X

Supply Voltage too low

Correct

 

X

X

Defective compressor capacitor

Replace

 

X

X

Defective windings

Replace

 

X

X

Limit switches open

Check cause/Replace or repair

 

X

X

Dirty filter

Replace/clean

 

X

X

Blower RPM too low

Correct

 

X

X

Loss of conditioned air due to leaks in

Repair leaks

 

ductwork

 

 

 

 

 

 

 

 

 

 

 

X

Introduction of excessively hot return-air

Correct

 

X

 

Introduction of excessively cold return-air

Correct

 

X

X

Low on refrigerant charge

Locate leak, repair and recharge by

 

weight (not by superheat)

Insufficient capacity

 

 

 

 

 

 

 

X

X

Restricted thermal expansion valve

Replace

 

 

X

X

Defective reversing valve

See WSHP-IOM-# for touch test chart

 

X

X

Thermostat improperly located

Relocate

 

X

X

Unit undersized

Recalculate heat gains/losses

 

X

X

Inadequate water flow

Increase GPM

 

X

X

Scaling in heat exchanger

Clean or replace

 

 

X

Water too hot

Decrease temperature

 

X

 

Water too cold

Increase temperature

 

 

X

Inadequate GPM

Increase water flow to unit

 

 

X

Water too hot

Decrease temperature

High pressure switch open

X

 

Inadequate air flow

Check, clean blower and coil

X

 

Dirty filter

Clean/replace

 

 

 

X

X

Overcharged with refrigerant

Decrease charge

 

X

X

Defective pressure switch

Check or replace

 

 

X

Trash in heat exchanger

Backflush

 

 

X

Low water flow

Increase GPM

High head pressure

X

X

Overcharge of refrigerant

Decrease charge

X

X

Non-condensable in system

Evacuate and recharge by weight

 

X

X

Water too hot

Decrease temperature

 

X

 

Dirty filter

Clean / replace

 

X

 

Inadequate air flow

Check, clean blower and coil

 

X

X

Undercharged

Locate leak, repair and recharge

Low suction pressure

X

X

Restricted thermal expansion valve

Repair / replace

 

X

Inadequate air flow

Check, clean blower and coil

 

 

X

Dirty filter

Clean/replace

 

X

 

Inadequate GPM

Increase GPM

28

WSHP-SVN08B-EN

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Page 28
Image 28
Trane GETB manual Troubleshooting Checklist, Unit short cycles
Page 27 Page 29

GETB specifications

The Trane GETB, known for its exceptional efficiency and reliability, stands as a leader in the commercial HVAC industry. Designed to meet the demands of varying environments, the GETB system is particularly beneficial for buildings requiring constant heating and cooling performance.

One of the standout features of the GETB is its use of the Trane Tracer SC+ building management system. This intelligent control platform allows facility managers to efficiently monitor and manage HVAC settings remotely, optimizing comfort and energy consumption. The integration of smart technology significantly reduces operational costs by promoting energy-saving strategies tailored to specific building requirements.

A notable technology incorporated in the Trane GETB system is the use of advanced variable-speed compressors. These compressors adjust their output based on the needs of the building, providing precise temperature control and minimizing energy wastage. With this technology, the GETB can achieve high efficiencies across various load conditions, which is particularly advantageous during periods of fluctuating occupancy.

Another important characteristic of the GETB is its robust design tailored for durability and longevity. Constructed with high-quality materials and components, the system is engineered to withstand the rigors of continuous operation in industrial environments. This resilience ensures minimal disruptions and maintenance needs, allowing for a seamless integration into any facility.

Additionally, the GETB offers extensive options for zoning and temperature control. With its zoning capabilities, different areas of a building can be maintained at separate temperature settings, enhancing comfort for occupants while contributing to energy conservation. The ability to customize the system to suit specific building layouts makes the GETB a versatile choice for a variety of applications.

Furthermore, the GETB is designed with environmental sustainability in mind. By using refrigerants with lower global warming potential, Trane has focused on reducing the ecological footprint of its products. This commitment to sustainability does not only comply with regulatory standards but also supports building owners looking to achieve green certifications.

In summary, the Trane GETB combines advanced technologies, robust design, and energy-efficient features to provide a dependable HVAC solution for commercial spaces. With its smart controls, variable-speed compressors, and emphasis on sustainability, it represents an ideal choice for those seeking reliable heating and cooling in a dynamic and eco-conscious manner.
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