Troubleshooting

Checklist

WARNING

Hazardous Service Procedures!

The maintenance and trouble shooting procedures recommended in this section of the manual could result in exposure to electrical, mechanical or other potential safety hazards. Always refer to the safety warnings provided throughout this manual concerning these procedures. When possible, disconnect all electrical pow- er including remote disconnects before servicing. Follow proper lockout/tagout procedures to ensure the power can not be inadvertently energized. When necessary to work with live electrical components, have a qualified licensed electrician or other individual who has been trained in handling live electrical components per these tasks. Failure to follow all of the recommended safety warnings provided, could result in death or serious injury.

Problem

No response to any thermostat setting

Unit short cycles

Blower runs, but compressor does not

Insufficient capacity

High pressure switch open

Heating

Cooling

Cause

Correction

X

X

Main power off

Check fuses

X

X

Defective control transformer

Replace

X

X

Broken or loose connection

Repair

X

X

Defective thermostat

Replace

X

X

Transformer

Reset Transformer

X

X

Thermostat or sensor improperly located

Relocate

X

X

Defective compressor overload

Replace (if external)

X

X

Defective compressor contactor

Replace

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)

 

 

 

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

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

8 4

WSHP-SVX01D-EN

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Trane GEH, GEV manual Troubleshooting Checklist, Hazardous Service Procedures

GEV, GEH specifications

Trane has long been a leader in the HVAC industry, and their GEH and GEV series of heat pumps are a testament to their commitment to innovation and efficiency. These models are designed to provide substantial energy savings while maintaining exceptional performance, making them ideal choices for both residential and commercial applications.

The Trane GEH and GEV heat pumps feature advanced variable-speed technology, which allows them to adjust their output to match the current heating or cooling demand. This adaptability not only enhances comfort by maintaining a consistent indoor temperature but also leads to significant energy savings by reducing unnecessary energy consumption during partial-load conditions. By running more efficiently at lower speeds, these units reduce wear and tear on components, extending the lifespan of the system.

One of the defining characteristics of the GEH and GEV models is their high SEER (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor) ratings. These ratings demonstrate the units' ability to provide efficient heating and cooling throughout the year, contributing to lower energy bills. The use of R-410A refrigerant is another key feature, as it is both environmentally friendly and efficient, ensuring that these systems meet stringent regulatory standards while delivering reliable performance.

Installation flexibility is another highlight of the Trane GEH and GEV series. These units are designed to work seamlessly with existing HVAC systems, making retrofitting straightforward. Their compact design allows for easy placement, even in tight spaces, without compromising performance. Additionally, Trane's commitment to quality is evident in the construction of these heat pumps, as they are built to withstand harsh weather conditions and provide reliable service year after year.

Moreover, both the GEH and GEV models are equipped with integrated smart controls that simplify operation and maintenance. These controls allow homeowners and facility managers to monitor energy usage, adjusting settings remotely and scheduling maintenance checks to maximize efficiency. This technology not only enhances user experience but also promotes energy conservation through intelligent management.

In summary, Trane's GEH and GEV heat pumps stand out for their variable-speed technology, high efficiency ratings, installation flexibility, and smart controls. These features make them an ideal solution for those seeking a reliable, energy-efficient heating and cooling option, reflecting Trane's dedication to performance and sustainability.