Lennox XP14 Elite Series Installation Instructions Manual

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,1_ 2008 Lennox industries Inc.
Dallas, Texas, USA
INSTALLATION
INSTRUCTIONS
XP14 Elite ® Series Units
HEAT PUMP
UNITS
_]_Technical
.ELL1 Publications
505,244M Litho U.S.A.
04108
Supersedes 11/07
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
WARNING
CAUTION
A IMPORTANT
A IMPORTANT
XP14 Outdoor Unit ............................ 1
Shipping and Packing List ...................... 1
Unit Dimensions and Parts Arrangement ......... 2
General Information ........................... 3
Setting the Unit ............................... 3
Removing Panels ............................. 5
Electrical ..................................... 6
Refrigerant Piping ............................. 8
Flushing Existing Line Set and Indoor Coil ........ 10
Refrigerant Metering Device .................... 12
Manifold Gauge Set ........................... 13
Service Valves ................................ 13
Leak Testing .................................. 14
Evacuation ................................... 14
Start-Up ...................................... 15
Refrigerant Charge ............................ 15
Check Indoor Airflow before Charging ............ 15
Setup for Checking and Adding Charge .......... 16
Pre-Charge Maintenance Checks ................ 16
Weigh in Charge .............................. 17
Subcooling Charge ............................ 17
Defrost System ............................... 19
Maintenance .................................. 24
User Information .............................. 24
Start-up and Performance Checklist .............. 26
The XP14 outdoor unit uses HFC-410A HFC refrigerant.
This unit must be installed with a matching indoor blower
coil and line set as outlined in the Lennox Engineering
Handbook, Elite® Series XP14 outdoor units are designed
for use in check thermal expansion valve (CTXV) systems
only and are not to be used with other refrigerant flow
control devices. An expansion valve approved for use with
HFC-410A must be ordered separately and installed prior
to operating the unit,
1 - Assembled XP14 outdoor unit
Check the unit components for shipping damage. If you
find any damage, immediately contact the last carrier,
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