Lennox XP17-048-230-08

Page 1
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

Lennox XP17-048-230-08 Specifications

General

Type	Heat Pump
Model Number	XP17-048-230-08
Nominal Capacity (tons)	4
Cooling Capacity (BTU/h)	48000
Heating Capacity (BTU/h)	48000
HSPF Rating	9.50
Refrigerant	R-410A
Phase	1
SEER Rating	17.00
Voltage	230V

Summary

I. OVERVIEW

Model Number Identification

Explains how to identify the model number of the unit.

Specifications

Lists the technical specifications of the XP17 unit series.

II. SYSTEM OPERATION AND SERVICE

System Operations

Explains how the system functions, including delays and safety features.

System Status, Fault and Lockout LED Codes

Describes diagnostic codes indicated by LEDs on the control board.

Unit Wiring Diagrams

Illustrates various wiring configurations for the unit.

III. INSTALLATION

Unit Placement & Clearances

Guidelines for positioning the outdoor unit and required clearances.

Electrical Connections

Requirements for electrical connections, grounding, and wiring.

Refrigerant Line Set Requirements

Information on selecting and installing refrigerant line sets.

Flushing the System

Steps for flushing the system when converting refrigerant or replacing components.

IV. SYSTEM CHARGE

Unit Start-Up & System Refrigerant

Steps for initial unit start-up and refrigerant charging procedures.

Weigh In Charging Method

Method for calculating and adding the correct refrigerant charge.

Subcooling Charging Method

Method for verifying and adjusting refrigerant charge using subcooling.