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E2018 Lennox Industries Inc.
Dallas, Texas, USA
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
General
This XC16 outdoor air conditioner 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
XC16 Product Specifications bulletin (EHB) for approved
indoor component match-ups.
These instructions are intended as a general guide and do
not supersede local codes in any way. Consult authorities
having jurisdiction before installation.
NOTICE !
For more in-depth information, consult the Installa
tion and Service Procedures manual, available as
Corp. 0625-L5 on LennoxPROs.com or through the
Technical Support department at 800-453-6669.
STEP 1 -- SETTING THE UNIT -- Clearances
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See NOTES
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See
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NOTES
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NOTICE: Specific applications may require adjustment of the listed installation clearances to provide protection for
the unit from physical damage or to avoid conditions which limit operating efficiency. (Example: Clearances may
have to be increased to prevent snow or ice from falling on the top of the unit. Additional clearances may also be
required to prevent air recirculation when the unit is installed under a deck or in another tight space.)
INSTALLATION
INSTRUCTIONS
Elite
AIR CONDITIONER
507161-01
7/2018
Improper installation, adjustment, alteration, ser
vice or maintenance can cause property damage,
personal injury or loss of life.
Installation and service must be performed by a li
censed professional installer (or equivalent) or ser
vice agency.
Before attempting to perform any service or mainte
nance, turn the electrical power to unit OFF at dis
connect switch.
As with any mechanical equipment, contact with sharp
sheet metal edges can result in personal injury. Take
care while handling this equipment and wear gloves and
protective clothing.
NOTES:
Service clearance of 30 in. must be maintained on one of the sides
adjacent to the control box.
Clearance to one of the other three sides must be 36 in.
Clearance to one of the remaining two sides may be 12 in. and the
See
final side may be 6 in.
NOTES
A clearance of 24 in. must be maintained between two units.
48 in. clearance required on top of unit.
Control
Box
FIGURE 1
Page 1
Series XC16 Units
®
WARNING
CAUTION
CAUTION
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Related Manuals for Elite XC16-024-230
Summary of Contents for Elite XC16-024-230
- Page 1 INSTALLATION INSTRUCTIONS E2018 Lennox Industries Inc. Dallas, Texas, USA Elite Series XC16 Units ® AIR CONDITIONER 507161-01 7/2018 WARNING Improper installation, adjustment, alteration, ser RETAIN THESE INSTRUCTIONS vice or maintenance can cause property damage, FOR FUTURE REFERENCE personal injury or loss of life.
-
Page 2: Unit Dimensions - Inches (Mm)
4-1/2” (121) (108) TOP VIEW SIDE VIEW UNIT SUPPORT FEET XC16-024 TO -060 BASE WITH ELONGATED LEGS Model Number XC16-024-230 45 (1143) XC16-036-230 31 (787) 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) - Page 3 STEP 1 -- SETTING THE UNIT (Continued) ELEVATED SLAB MOUNTING USING FEET EXTENDERS -- Unit Placement Use additional 2” SCH 40 male NOTICE ! threaded adapters which can be threaded into the female Roof Damage! threaded adapters to make additional adjustments to the This system contains both refrigerant and oil.
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Page 4: Step 2 - Refrigerant Piping
IMPORTANT ! STEP 2 – REFRIGERANT PIPING – Flushing Existing Line Set & Indoor Coil If this unit is being matched with an approved line set or in lush the existing line set per the following instruc door unit coil that was previously charged with mineral oil, tions. - Page 5 STEP 2 -- REFRIGERANT PIPING -- Removing Existing Indoor Metering Device TYPICAL EXISTING FIXED ORIFICE TYPICAL EXISTING EXPANSION VALVE REMOVAL REMOVAL PROCEDURE PROCEDURE (UNCASED COIL SHOWN) (UNCASED COIL SHOWN) STUB END TWO-PIECE PATCH PLATE LIQUID LINE DISTRIBUTOR TUBES (UNCASED COIL ONLY) ORIFICE EXPANSION LIQUID LINE ORIFICE HOUSING...
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Page 6: Cap And Core Removal
STEP 2 -- REFRIGERANT PIPING -- Brazing Procedures CAP AND CORE REMOVAL CUT AND DEBUR Cut ends of the refrigerant lines square (free from nicks or dents) Remove service cap and core from and debur the ends. The pipe must remain round. Do not crimp end both the suction / vapor and liquid line of the line. -
Page 7: Braze Line Set
STEP 2 -- REFRIGERANT PIPING -- Brazing Procedures (Continued) WRAP SERVICE VALVES To help protect service valve seals during brazing, wrap water-saturated cloths around service valve bodies and copper tube stubs. Use additional water-saturated cloths underneath the valve body to protect the base paint. FLOW NITROGEN Flow regulated nitrogen (at 1 to 2 psig) through the refrigeration gauge set into the valve stem port connection on the liquid service valve and out of the suction / vapor valve stem port. -
Page 8: Step 3 -- Installing Indoor Expansion Valve
STEP 3 -- INSTALLING INDOOR EXPANSION VALVE This outdoor unit is designed for use in systems that include an expansion valve metering device. See the XC16 Product Specifications bulletin (EHB) for approved expansion valve kit match-ups and application information. The expansion valve can be installed internal or external to the indoor coil. -
Page 9: Step 4 -- Leak Test And Evacuation
STEP 4 -- LEAK TEST AND EVACUATION HIGH MANIFOLD GAUGE SET OUTDOOR UNIT TO VAPOR SERVICE VALVE NOTE - Position canister to deliver liquid refrigerant. NITROGEN HFC-410A CONNECT GAUGE SET A. Connect the high-pressure hose of an HFC-410A manifold gauge set to the vapor valve service port. NOTE - Normally, the high-pressure hose is connected to the liquid line port. -
Page 10: Evacuate The System
STEP 4 -- LEAK TEST AND EVACUATION (Continued) EVACUATION HIGH CONNECT GAUGE SET NOTE - Remove cores from service valves (if not already done). Connect low side of manifold gauge set with 1/4 SAE in-line tee to vapor line service valve Connect high side of manifold gauge set to OUTDOOR MANIFOLD... -
Page 11: Size Circuit And Install Disconnect Switch
STEP 5 -- ELECTRICAL -- Circuit Sizing and Wire Routing In the U.S.A., wiring must conform with current local codes and the cur IMPORTANT ! rent National Electric Code (NEC). In Canada, wiring must conform with current local codes and the current Canadian Electrical Code (CEC). If unit is equipped with a crankcase heater, it should be en... - Page 12 FIGURE 15 Page 12...
- Page 13 Charging The XC16 unit is factory-charged with enough HFC-410A refrigerant to accommodate a 15-foot length of refrigerant piping. Charge should be checked and adjusted using the tables provided on the charging procedure sticker on the unit access panel. Detailed information is given in the XC16 Installation and Service Procedures manual, which is available on DaveNet. Field Operation Checklist for Two-Stage Modulation Compressors Expected results during Y2 Unit Readings...
- Page 14 Start-Up and Performance Checklist Customer Address Indoor Unit Model Serial Outdoor Unit Model Serial Notes: START UP CHECKS Refrigerant Type: Rated Load Amps: Actual Amps Rated Volts Actual Volts Condenser Fan Full Load Amps Actual Amps: COOLING MODE Suction Pressure: Liquid Pressure: Supply Air Temperature: Ambient Temperature:...
- Page 15 Routine Maintenance Homeowner Information In order to ensure peak performance, your system must be properly maintained. Clogged filters and blocked airflow CAUTION prevent your unit from operating at its most efficient level. NOTE - The filter and all access panels must be in place Before attempting to perform any service or mainte...
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