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©
2005 Lennox Industries Inc.
Corp. 0528−L10
XP13
Service Literature
Revised 05−2008
XP13 SERIES UNITS
The XP13 is a high efficiency residential split−system heat
pump unit, which features a scroll compressor and R−410A
refrigerant. XP13 units are available in sizes ranging from 1
1/2 through 5 tons. The series is designed for use with an
indoor unit with an expansion valve approved for R−410A.
This manual is divided into sections which discuss the ma-
jor components, refrigerant system, charging procedure,
maintenance and operation sequence.
Information contained in this manual is intended for use by
qualified service technicians only. All specifications are
subject to change.
IMPORTANT
Operating pressures of this R−410A unit are higher
than pressures in R−22 units. Always use service
equipment rated for R−410A.
WARNING
Warranty will be voided if covered equipment is re-
moved from original installation site. Warranty will
not cover damage or defect resulting from:
Flood, wind, lightning, or installation and opera-
tion in a corrosive atmosphere (chlorine, fluorine,
salt, recycled waste water, urine, fertilizers, or oth-
er damaging chemicals).
WARNING
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, person-
al injury or loss of life. Installation and service must
be performed by a qualified installer or service
agency.
WARNING
Electric shock hazard. Can cause injury
or death. Before attempting to perform
any service or maintenance, turn the
electrical power to unit OFF at discon-
nect switch(es). Unit may have multiple
power supplies.
TABLE OF CONTENTS
Specifications / Electrical
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I Unit Information
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II Unit Components
Page 3
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III Refrigerant System
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IV Charging
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V Service and Recovery
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VI Maintenance
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VII Brazing Procedure
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VIII Wiring Diagram
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