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Lennox XC25

Lennox XC25 – Load Shedding

Posted on July 30, 2022 by Jack

Utility Load Shedding Mode ACTIVATED (Utility Cycled Unit OFF) – The normally closed set of contacts in the utility load shedding control receiver OPEN. This…

Lennox XC25

Lennox XC25 – Electrical

Posted on July 30, 2022 by Jack

In the U.S.A., wiring must conform with current local codes and the current National Electric Code (NEC). In Canada, wiring must conform with current local…

Lennox XC25

Lennox XC25 – Evacuating the System

Posted on July 28, 2022 by Jack
Lennox XC25

Lennox XC25 – LEAK TEST LINE SET AND INDOOR COIL

Posted on July 27, 2022 by Jack

NOTE – NORMALLY, THE HIGH PRESSURE HOSE IS CONNECTED TO THE LIQUID LINE PORT. HOWEVER, CONNECTING IT TO THE VAPOR PORT BETTER PROTECTS THE MANIFOLD…

Lennox XC25

Lennox XC25 – INSTALLING ISOLATION GROMMETS

Posted on July 27, 2022 by Jack

Locate the isolation grommets (provided). Slide grommets onto vapor and liquid lines. Insert grommets into piping panel to isolate refrigerant lines from sheet metal edges.…

Lennox XC25

Lennox XC25 – EQUALIZER LINE INSTALLATION

Posted on July 25, 2022 by Jack

REMOVE AND DISCARD EITHER THE FLARE SEAL CAP OR FLARE NUT WITH COPPER FLARE SEAL BONNET FROM THE EQUALIZER LINE PORT ON THE VAPOR LINE…

Lennox XC25

Lennox XC25 – SENSING BULB INSTALLATION

Posted on July 25, 2022 by Jack

A. ATTACH THE VAPOR LINE SENSING BULB IN THE PROPER ORIENTATION AS ILLUSTRATED TO THE RIGHT USING THE CLAMP AND SCREWS PROVIDED. NOTE – CONFIRM…

Lennox XC25

Lennox XC25 – TYPICAL NEW CHECK EXPANSION VALVE INSTALLATION PROCEDURE

Posted on July 20, 2022 by Jack

THIS OUTDOOR UNIT IS DESIGNED FOR USE IN SYSTEMS  THAT USE  A CHECK EXPANSION  VALVE METERING DEVICE.  SEE LENNOX XC25 PRODUCT SPECIFICATION FOR APPROVED EXPANSION…

Lennox XC25

Lennox XC25 – FLUSHING LINE SET

Posted on July 20, 2022 by Jack

THE LINE SET AND INDOOR UNIT COIL MUST BE FLUSHED WITH AT LEAST THE SAME AMOUNT OF CLEAN REFRIGERANT THAT PRE­VIOUSLY CHARGED THE SYSTEM. CHECK…

Lennox XC25

Lennox XC25 – CONNECT GAUGES AND EQUIPMENT FOR FLUSHING PROCEDURE

Posted on July 20, 2022 by Jack

A. INVERTED HCFC-22 CYLINDER WITH CLEAN REFRIGERANT TO THE VAPOR SERVICE VALVE. B. HCFC-22 GAUGE SET (LOW SIDE) TO THE LIQUID LINE VALVE. C. HCFC-22…

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