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2013 Lennox Industries Inc.
XP17
Service Literature
Corp. 1023-L3
Revised December 2013
INSTALLATION AND SERVICE
PROCEDURE
XP17 (HFC-410A) SERIES UNITS
NOTICE
A thermostat is not included and must be ordered
separately.
A Lennox iComfort-enabled thermostat must be
used in communicating applications.
In non-communicating applications, the Lennox
ComfortSense
®
7000 thermostat may be used, as well
as other non-communicating thermostats.
In all cases, setup is critical to ensure proper system
operation.
Field wiring examples for non-communicating
applications begin on page 61.
See the iComfort-enabled thermostat Quick Start
Guide for communicating and partial communicating
field wiring connections.
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.
Accessories
For update-to-date information, see any of the following
publications:
Lennox XP17 Product Specification Bulletin (EHB)
Lennox Product Catalog
Lennox Price Book
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 Gauge Set and Service Valves 6.........
II. SYSTEM OPERATION AND SERVICE
Jumpers, Loop and Terminals (101797-XX) 8.......
System Operations 10............................
System Status, Fault and Lockout LED Codes 14....
Component Field Configuration and
Troubleshooting 19...............................
Jumpers and Links (103369-01 and -02) 26.........
Jumpers and Links (103369-03) 27.................
Configuring Unit 28...............................
7-Segment Alert and System Status Codes 31.......
Reconfiguring Outdoor Control using iComfort
-enabled Thermostat 37...........................
Routine Maintenance 37..........................
SunSource
®
Home Energy System 38..............
Sound Cover (SR1) Disassembly and Assembly 38..
Start-Up and Performance Checklist 40.............
Unit Wiring Diagrams 41..........................
Factory Wiring Diagrams 45.......................
Load Shed Wiring 49.............................
Unit Sequence of Operations 52...................
III. INSTALLATION
Unit Placement 57...............................
Removing and Installing Panels 60.................
Electrical 61.....................................
Field Control Wiring 63...........................
New or Replacement Line Set 65..................
Flushing the System 70...........................
Brazing Connections 67...........................
Leak Testing the System 72.......................
Evacuating the System 72.........................
IV. SYSTEM CHARGE
Servicing Unit Delivered Void of Charge 76..........
Unit Start-Up 76.................................
System Refrigerant 76...........................
APPENDIX A - UNIT CHARGING STICKERS
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