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04/10 506510−01
*2P0410* *P506510-01*
Page 1
E2010 Lennox Industries Inc.
Dallas, Texas, USA
NOTICE
A thermostat is not included and must be ordered
separately.
The Lennox ComfortSense
®
7000 thermostat may be
used, as well as other thermostats.
In all cases, setup is critical to ensure proper system
operation.
Field wiring is illustrated in diagrams, which begin on
Page 19.
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.
General
This single−stage outdoor unit is designed for use with
HFC−410A refrigerant only. This unit must be installed
with an approved indoor air handler or coil. See the
Lennox XC17 Engineering Handbook for approved
indoor component matchups.
IMPORTANT
This model is designed for use in expansion valve
systems only. An indoor expansion valve approved for
use with HFC−410A refrigerant must be ordered
separately, and installed prior to operating the system.
INSTALLATION
INSTRUCTIONS
Dave Lennox Signature
®
Collection XC17 Units
AIR CONDITIONER
506510−01
04/10
Supersedes 506498−01
RETAIN THESE INSTRUCTIONS FOR FUTURE
REFERENCE
TABLE OF CONTENTS
General 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shipping and Packing List 1. . . . . . . . . . . . . . . . . . . . . .
Unit Dimensions 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model Number Identification 2. . . . . . . . . . . . . . . . . . . .
Unit Parts Arrangement 3. . . . . . . . . . . . . . . . . . . . . . . .
Operating Gauge Set and Service Valves 4. . . . . . . . .
Recovering Refrigerant from Existing System 6. . . . .
New Outdoor Unit Placement 7. . . . . . . . . . . . . . . . . . .
Removing and Installing Panels 10. . . . . . . . . . . . . . . . .
New or Replacement Line Set 11. . . . . . . . . . . . . . . . . . .
Flushing the System 14. . . . . . . . . . . . . . . . . . . . . . . . . . .
Leak Testing the System 16. . . . . . . . . . . . . . . . . . . . . . .
Evacuating the System 16. . . . . . . . . . . . . . . . . . . . . . . . .
Electrical 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main Control Jumpers and Terminals 22. . . . . . . . . . . . .
Field Control Wiring 24. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Servicing Unit Delivered Void of Charge 26. . . . . . . . . .
Unit Start−Up 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Refrigerant 26. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating and Temperature Pressures 30. . . . . . . . . . .
System Operations 31. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main Control LED Alert Codes 35. . . . . . . . . . . . . . . . . .
Maintenance (Dealer and Homeowner) 42. . . . . . . . . . .
Start−Up and Performance Checklist 48. . . . . . . . . . . . .
Shipping and Packing List
Check unit for shipping damage. Consult last carrier
immediately if damage is found.
1 Ċ Assembled outdoor unit.
1 Ċ Bag assembly which includes the following:
1 Ċ Bushing (for low voltage wiring)
2 Ċ Isolation grommets for liquid and suction lines
Litho U.S.A.