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Category: Thermo King Troubleshooting

Thermo King Troubleshooting

Thermo King – Diagnosing Refrigeration System using Temperatures and Pressures

Posted on July 28, 2021 by Jack

Test Procedure 1. Attach suction and discharge pressure gauges. 2. Operate the unit in high speed cool. 3. Note the ambient (outside air) and box…

Thermo King Troubleshooting

Thermo King Truck – Pressure Points and System Components (R-404A) Refrigeration Cycle

Posted on July 27, 2021 by Jack

1. Expansion Valve 2. 3 Way Valve 3. Compressor Pressure Regulating Valve (CPR) 4. Compressor Valve Plates and Reed Valves 5. By-pass Check Valve

Thermo King Troubleshooting

Thermo King Truck – Pressure Points and System Components (R-22) Refrigeration Cycle

Posted on July 27, 2021 by Jack

1. Expansion Valve 2. Quench Valve 3. 3 Way Valve 4. By-pass Check Valve 5. Compressor Pressure Regulating Valve (CPR) 6. Compressor Valve Plates and…

Thermo King Troubleshooting

Thermo King Trailer – Pressure Points and System Components (R-22) Refrigeration Cycle

Posted on July 27, 2021 by Jack

1. Bypass Check Valve 2. Hot Gas Solenoid (SV-3) 3. Hot Gas Solenoid (SV-4) 4. Quench Valve 5. Expansion Valve 6. Compressor Valve Plates and…

Thermo King Troubleshooting

TriPac – Protection Devices

Posted on July 25, 2021 by Jack

High System Pressure Cutout Switch The High System Pressure Cutout Switch is a normally closed system pressure sensitive switch. On models manufactured prior to 9/06,…

Thermo King Troubleshooting

Thermo King – Modulation Function

Posted on July 13, 2021 by Jack

The modulation system functions to control the box temperature of fresh perishables without excess heating or cooling. It improves the humidity and temperature conditions desirable…

Thermo King Troubleshooting

Thermo King – Recovery from a Non-Operating Unit

Posted on July 13, 2021 by Jack

When a unit is inoperable or the compressor will not function, the refrigerant must be removed as a vapor. It can be removed from almost…

Thermo King Troubleshooting

Thermo King – Recovery from a Operating Unit

Posted on July 13, 2021 by Jack

If a unit is operable and the compressor functions, the refrigerant should be removed as a liquid. This is the fastest and most efficient method.…

Thermo King Troubleshooting

Thermo King – Suction Line Filter

Posted on July 13, 2021 by Jack

The suction line filter is designed for use when major system contamination has occurred as defined in TK 40229, “Clean-up of Refrigeration Systems with Thermo…

Thermo King Troubleshooting

Thermo King – System Evacuation and Clean-up

Posted on July 13, 2021 by Jack

Refrigeration systems that have had service performed with the system open to the atmosphere must be evacuated and dehydrated to remove air and moisture that…

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