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Lennox XC25

Lennox XC25 – TYPICAL EXISTING PROCEDURE EXPANSION VALVE REMOVAL PROCEDURE (UNCASED COIL SHOWN)

Posted on July 20, 2022 by Jack

A. ON FULLY CASED COILS, REMOVE THE COIL ACCESS AND PLUMBING PANELS. B. REMOVE ANY SHIPPING CLAMPS HOLDING THE LIQUID LINE AND DIS­TRIBUTOR ASSEMBLY. C.…

Lennox XC25

Lennox XC25 – TYPICAL EXISTING FIXED ORIFICE REMOVAL PROCEDURE

Posted on April 20, 2022July 20, 2022 by Jack

A. ON FULLY CASED COILS, REMOVE THE COIL ACCESS AND PLUMBING PANELS. B. REMOVE ANY SHIPPING CLAMPS HOLDING THE LIQUID LINE AND DIS­TRIBUTOR ASSEMBLY. C.…

Lennox XC25

Lennox XC25 – To Access Service Port

Posted on April 19, 2022 by Jack

To Access Service Port: A service port cap protects the service port core from contamination and serves as the primary leak seal. 1. Remove service…

Lennox XC25

Lennox XC25 – Operating Ball Type Service Valve

Posted on April 19, 2022 by Jack

1. Remove stem cap with an appropriately sized wrench. 2. Use an appropriately sized wrenched to open. To open valve, rotate stem counterclockwise 90°. To…

Lennox XC25

Lennox XC25 – Operating Angle–Type Service Valve:

Posted on April 19, 2022 by Jack

1. Remove stem cap with an appropriately sized wrench. 2. Use a service wrench with a hex-head extension (3/16” for liquid line valve sizes and…

Lennox XC25

Lennox XC25 – Typical Plumbing Components

Posted on April 19, 2022 by Jack
Lennox XC25

Lennox XC25 – Control Panel Components

Posted on April 19, 2022 by Jack
Repair

THE PRINCIPLE OF REFRIGERATION

Posted on December 29, 2021 by Jack

Heat is absorbed from the inside of a refrigerated area through the evaporator coil. It is then delivered to the condenser where it is dissipated…

Repair

THE FOUR ESSENTIALS IN REFRIGERATION

Posted on December 29, 2021 by Jack

1. Liquid refrigerant tends to vaporize as pressure imposed upon it is reduced. (It is already known that water boils at a lower temperature at…

Repair

DISPLACING HEAT BY VAPORIZING REFRIGERANT

Posted on December 29, 2021 by Jack

Different liquids boil at different temperatures. Some need a great deal of heat to reach their boiling point to vaporize while others require very little.…

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