Table Of Contents - Lennox XC25 Series Manual

Table of Contents

General1
Setting The Unit1
Packing List1
Installation Instructions1
Outside Unit Placement2
Slab Mounting At Ground Level2
Elevated Slab Mounting Using Feet Extenders2
Stabilizing Unit On Uneven Surfaces2
Unit Dimensions - Inches (Mm)3
Base With Elongated Legs3
Refrigerant Piping - New Or Existing Line Set And Indoor Coil4
Adding Refrigerant For Long Line Sets5
Using Hfc-410A Weigh In Method5
Standard Refrigerant Line Set — Up To 50 Linear Feet5
Xc25 Line Set Guidelines Between — 51 ­ 150 Linear Length5
Removing Existing Indoor Metering Device6
Flushing Line Set6
Brazing Procedures7
Piping Panel Removal / Preparing Line Set7
Cap And Core Removal7
Wrap Service Valves8
Flow Nitrogen8
Braze Line Set8
Preparation For Next Step8
Equalizer Line Installation9
Sensing Bulb Installation9
Step 3 -- Installing Indoor Expansion Valve9
Connect Gauge Set10
Test For Leaks10
Step 4 -- Leak Test And Evacuation10
Evacuation11
Evacuate The System11
Circuit Sizing And Wire Routing12
Install Thermostat12
Size Circuit And Install Disconnect Switch12
Master Control Jumper And Terminals13
Route Control Wires14
Route High Voltage And Ground Wires14
Outdoor Control14
Charging15
Alarms15
Outdoor Control Seven-Segment Display And Push Button15
System Component Configuration15