Lennox XC25-024-230-01 Manuals

1 2013 Lennox Industries Inc. Corp. 1253-L11 July 24, 2013 XC25 INSTALLATION AND SERVICE PROCEDURE Service Literature Dave Lennox Signature® Collection XC25 Series Units IMPORTANT XC25 units have refrigerant piping requirements that are unique to this unit. Size and install the refrigerant piping per table 2 (page 14) to ensure proper unit operation. This unit is an integral component of a system that requires an iComfort Wi-Fi® thermostat and iComfort™-enabled air handler or furnace. XC25 iComfort Wi-Fi® iComfort™-enabled air handler or furnace IMPORTANT: Before applying any power (main, solar or low voltage) to the outdoor unit, confirm the iComfort Wi-Fi® thermostat has software Version 2.1 or higher installed. (Reference the iComfort Wi-Fi® thermostat manual.) WARNING Improper installation, adjustment, alteration, service or maintenance can cause personal injury, loss of life, or damage to property. Installation and service must be performed by a licensed professional installer (or equivalent) or a service agency. WARNING Electrical Hazard High Voltage Wait 5 Minutes Electrical components may hold charge. Do not remove this panel or service this area for 5 minutes after the power has been removed. TABLE OF CONTENTS I. OVERVIEW Model Number Identification 2 . . . . . . . . . . . . . . . . . . . . Typical Serial Number Identification 2 . . . . . . . . . . . . . . Specifications 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electrical Data 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unit Dimensions 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Typical Unit Parts Arrangement 5 . . . . . . . . . . . . . . . . . Operating Service Valves 7 . . . . . . . . . . . . . . . . . . . . . . . General 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . II. INSTALLATION Unit Placement 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removing and Installing Panels 12 . . . . . . . . . . . . . . . . . New or Replacement Line Set 13 . . . . . . . . . . . . . . . . . . Brazing Connections 16 . . . . . . . . . . . . . . . . . . . . . . . . . . . Flushing the System 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . Leak Testing the System 21 . . . . . . . . . . . . . . . . . . . . . . . Evacuating the System 21 . . . . . . . . . . . . . . . . . . . . . . . . . Electrical 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Servicing Unit Delivered Void of Charge 29 . . . . . . . . . . Unit Start-Up 29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . III. SYSTEM OPERATION AND SERVICE 7-Segment Alert and System Status Codes 30 . . . . . . . Outdoor Control Push-Button Operation 35 . . . . . . . . . . Configuring Unit 39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reconfiguring Outdoor Control using iComfort Wi-Fi® Thermostat 40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . System Overview 40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maintenance 41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SunSource® Home Energy System 41 . . . . . . . . . . . . . . Unit Wiring Diagrams 42 . . . . . . . . . . . . . . . . . . . . . . . . . . Factory Wiring Diagrams 45 . . . . . . . . . . . . . . . . . . . . . . . Unit Sequence of Operations 47 . . . . . . . . . . . . . . . . . . . Component Testing 50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . System Refrigerant 69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . IMPORTANT The Clean Air Act of 1990 bans the intentional venting of refrigerant (CFCs, HCFCs AND HFCs) as of July 1, 1992. Approved methods of recovery, recycling or reclaiming must be followed. Fines and/or incarceration may be levied for noncompliance.