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07/

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1

506636−01

*2P0711*

*P506636-01*

Page 1

20

1

 Lennox Industries Inc.

Dallas, Texas, USA

RETAIN THESE INSTRUCTIONS

FOR FUTURE REFERENCE

These instructions are intended as a general guide and do
not supersede local codes in any way. Consult authorities
having jurisdiction before installation.

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.

IMPORTANT

The Clean Air Act of 1990 bans the intentional venting of
refrigerant (CFCs, HCFCs and HFCs) as of July 1, 1992.
Approved methods of recovery, recycling or reclaiming
must be followed. Fines and/or incarceration may be
levied for noncompliance.

 

IMPORTANT

This unit must be matched with an indoor coil as speci-
fied in 

Lennox XC14

 E

ngineering Handbook

. Coils pre-

viously charged with HCFC−22 must be flushed.

NOTICE TO INSTALLER

UNIT PLACEMENT

It is critical for proper unit operation to place outdoor unit on an
elevated surface as described in 

Unit Placement 

section on page 7.

BRAZING LINE SET TO SERVICE VALVES

It is imperative to follow the brazing technique illustrated starting on
page 12 to avoid damaging the service valve’s internal seals.

INSTALLATION
INSTRUCTIONS

Elite

®

 Series XC14

 

Units

AIR CONDITIONER

506636−01 
07/11
Supersedes 11/10

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

. . . . . 

Unit Placement

7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Removing and Installing Panels

9

. . . . . . . . . . . . . . . . . 

New or Replacement Line Set

10

. . . . . . . . . . . . . . . . . . . 

Brazing Connections

12

. . . . . . . . . . . . . . . . . . . . . . . . . . . 

Flushing Line Set and Indoor Coil

15

. . . . . . . . . . . . . . . . 

Installing Indoor Metering Device

16

. . . . . . . . . . . . . . . . 

Leak Test Line Set and Indoor Coil

17

. . . . . . . . . . . . . . . 

Evacuating Line Set and Indoor Coil

18

. . . . . . . . . . . . . 

Electrical

19

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Servicing Units Delivered Void of Charge

23

. . . . . . . . . 

Unit Start−Up

23

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

System Refrigerant

23

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 

System Operation

28

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Maintenance

29

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Start−Up and Performance Checklist

30

. . . . . . . . . . . . . 

General 

The XC14 Air Conditioners, which will also be referred to in
this instruction as the outdoor unit, uses HFC−410A
refrigerant. This outdoor unit must be installed with a
matching indoor unit and line set as outlined in the 

Lennox

XC14

 

Engineering Handbook

.

Shipping and Packing List

Check the unit for shipping damage and listed times below
are intact. If damaged, or if parts are missing, immediately
contact the last shipping carrier.

1  Assembled outdoor unit.

1  Refrigerant flow control (RFC) kit (Fixed Orifice)

Litho U.S.A.

Содержание XC13 Series

Страница 1: ...low the brazing technique illustrated starting on page 12 to avoid damaging the service valve s internal seals INSTALLATION INSTRUCTIONS Elite Series XC14 Units AIR CONDITIONER 506636 01 07 11 Superse...

Страница 2: ...ove XC14 024 230 35 889 30 1 2 775 35 889 13 7 8 352 7 3 4 197 3 1 4 83 27 1 8 689 3 5 8 92 4 1 2 114 20 5 8 524 XC14 030 230 39 991 XC14 036 230 39 991 XC14 042 230 31 787 XC14 041 230 39 991 XC14 04...

Страница 3: ...SUCTION LINE MUFFLER HIGH PRESSURE SWITCH S4 COMPRESSOR HARNESS GROUND LUG SINGLE POLE CONTACTOR 1POLE K1 1 DUAL RUN CAPACITOR C12 CONTROL PANEL PLUMBING AND SWITCHES COMPONENTS COMPRESSOR DISCHARGE...

Страница 4: ...loss during shipping and handling Using an Allen wrench rated at less than 50Rc risks rounding or breaking off the wrench or stripping the valve stem recess See the Lennox Service and Application Note...

Страница 5: ...2 1 12 TURN To Access Service Port A service port cap protects the service port core from contamination and serves as the primary leak seal 1 Remove service port cap with an appropriately sized wrench...

Страница 6: ...ssure ratio meets a certain value or when the suction pressure is as high as 20 psig Compressor suction pressures should never be allowed to go into a vacuum Prolonged operation at low suction pressur...

Страница 7: ...ss has a very high level of sound transmission For proper placement of unit in relation to a window see the provided illustration in figure 5 detail A PLACING UNIT ON SLAB When installing unit at grad...

Страница 8: ...wo 2 degrees or two inches per five feet 50 mm per 1 5 m away from building structure MOUNTING SLAB BUILDING STRUCTURE GROUND LEVEL Outside Unit Placement Slab Mounting at Ground Level SAME FASTENERS...

Страница 9: ...ERED PANEL REMOVAL Remove the louvered panels as follows 1 Remove two screws allowing the panel to swing open slightly 2 Hold the panel firmly throughout this procedure Rotate bottom corner of panel a...

Страница 10: ...nnox L15 sweat non flare series line set or field fabricated refrigerant line sizes as listed in table 2 NOTE When installing refrigerant lines longer than 50 feet see the Lennox Refrigerant Piping De...

Страница 11: ...R RAFTER AT 8 FEET 2 43 METERS INTERVALS THEN STRAP THE LIQUID LINE TO THE VAPOR LINE FLOOR JOIST OR ROOF RAFTER REFRIGERANT LINE SET INSTALLING HORIZONTAL RUNS NOTE Similar installation practices sho...

Страница 12: ...razing alloys and flux contain materials which are hazardous to your health Avoid breathing vapors or fumes from brazing operations Perform operations only in well ventilated areas Wear gloves and pro...

Страница 13: ...FROM SERVICE VALVE Flow regulated nitrogen at 1 to 2 psig through the low side refrigeration gauge set into the liquid line service port valve and out of the suction vapor line service port valve CUT...

Страница 14: ...structions for the next step in preparing the unit WHEN BRAZING LINE SET TO SERVICE VALVES POINT FLAME AWAY FROM SERVICE VALVE PREPARATION FOR NEXT STEP 7 WARNING 1 FIRE PERSONAL INJURY OR PROPERTY DA...

Страница 15: ...on valve and the two Teflon rings H Use a field provided fitting to temporary reconnect the liquid line to the indoor unit s liquid line orifice housing LOW HIGH EXISTING INDOOR UNIT GAUGE MANIFOLD IN...

Страница 16: ...LINE ASSEMBLY WITH BRASS NUT DISTRIBUTOR ASSEMBLY A Remove the field provided fitting that temporary reconnected the liquid line to the indoor unit s distributor assembly B Install one of the provided...

Страница 17: ...nder of HFC 410A refrigerant to the center port of the manifold gauge set Open the valve on the HFC 410A cylinder vapor only B Open the high pressure side of the manifold to allow HFC 410A into the li...

Страница 18: ...d indoor unit until the absolute pressure does not rise above 500 microns 29 9 inches of mercury within a 20 minute period after shutting off the vacuum pump and closing the manifold gauge valves F Wh...

Страница 19: ...Refer to the unit nameplate for minimum circuit ampacity and maximum fuse or circuit breaker HACR per NEC Install power wiring and properly sized disconnect switch NOTE Units are approved for use onl...

Страница 20: ...s XC13 XC13 XC13 XC13 XC13 XC13 XC13 Figure 14 24VAC Control Wiring Diagrams Field Installed HIGH PRESSURE SWITCH S4 CRANKCASE THERMOSTAT S40 CRANKCASE HEATER HR1 DUAL RUN CAPACITOR C12 FAN MOTOR B4 C...

Страница 21: ...TECTION SWITCH S5 OR S173 HIGH PRESSURE SWITCH S4 CRANKCASE THERMOSTAT S40 CRANKCASE HEATER HR1 DUAL RUN CAPACITOR C12 FAN MOTOR B4 COMPRESSOR B1 CONTACTOR K1 GROUND LUG Figure 16 Typical Factory Wiri...

Страница 22: ...Page 22 506636 01 Figure 17 Typical Unit Wiring Diagram...

Страница 23: ...ly at the disconnect switch The voltage must be within the range listed on the unit s nameplate If not do not start the equipment until you have consulted with the power company and the voltage condit...

Страница 24: ...anifold gauge set connected to unit Thermometers to measure outdoor ambient temperature to measure liquid line temperature to measure suction line temperature TXV FIXED ORIFICE APPROACH OR SUBCOOLING...

Страница 25: ...14 13 12 11 10 70 19 19 18 18 17 17 16 15 15 14 13 12 11 10 57 58 59 60 61 62 63 64 65 66 67 68 69 70 Temp of air entering indoor coil F INDOOR COIL DRY BULB DRY BULB WET BULB B TDrop 19 A Dry bulb We...

Страница 26: ...igh in or remove refrigerant based upon line length SC Subcooling Values F 1 0 C 0 6 BLOCK OUTDOOR COIL sometimes necessary with lower temperatures Use cardboard or plastic sheet to restrict the airfl...

Страница 27: ...heat SH VAP _____ SAT ______ SH ______ 11 Record the wet bulb temperature air entering indoor coil WB _______ 12 Record outdoor ambient temperature 13 Compare results with table to the left If value i...

Страница 28: ...9 395 151 421 152 406 149 420 146 418 145 110 43 426 150 420 148 422 148 446 151 424 153 447 153 430 150 447 148 444 146 115 46 457 153 447 150 449 150 480 152 453 155 476 154 460 152 473 150 471 147...

Страница 29: ...coil Consult your installing contractor for proper intervals procedures for your geographic area or service contract INDOOR UNIT 1 Clean or change filters 2 Adjust blower speed for cooling Measure the...

Страница 30: ...ner manual for instructions on how to operate your thermostat Preservice Check If your system fails to operate check the following before calling for service Verify room thermostat settings are correc...

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