Lennox HPXA16 series Installation Instructions Manual

'1_ 2006 Lennox Industries Jnc,
Dallas, Texas, USA
INSTALLATION
INSTRUCTIONS
HPXA16 Series Units
HEAT PUMP
UNITS
_Technical
504,954M
LLJJ Publications
08/06 Litho U.S.A.
Supersedes 03/06
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
_, WARNING
CAUTION
A IMPORTANT
_, IMPORTANT
HPXA16 Outdoor Unit .......................... 1
Shipping & Packing List ........................ 2
General Information ........................... 2
Unit Dimensions ............................... 2
Parts Arrangement ............................ 3
Setting the Unit ............................... 3
Electrical ..................................... 4
Refrigerant Piping ............................. 6
Refrigerant Metering Device .................... 8
Flushing Existing Line Set & Indoor Coil .......... 8
Manifold Gauge Set ........................... 10
Service Valves ................................ 10
Leak Testing .................................. 11
Evacuation ................................... 12
Start-Up ...................................... 12
Refrigerant Charging .......................... 12
System Operation ............................. 15
Defrost System ............................... 16
Maintenance .................................. 21
Optional Accessories .......................... 21
Check Points ................................. 22
Homeowner Information:
Maintenance .................................. 23
Thermostat Operation .......................... 24
Lennox HPXA16 outdoor units use HFC-410A refrigerant.
This unit must be installed with a matching indoor coil and
line set as outlined in the Lennox Engineering Handbook.
Elite ® Series HPXA16 outdoor units are designed for use
in check expansion valve (CTXV) systems only and must
not be used with other refrigerant flow control devices,
See Lennox Engineering Handbook list of indoor expan-
sion valve kits (ordered separately).
08/06
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504,954M
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