Table of Contents
Advertisement
©2016 Lennox Industries Inc.
Dallas, Texas, USA
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
General
This EL16XC1 outdoor air conditioner with all-aluminum
coil is designed for use with HFC-410A refrigerant only.
This unit must be installed with an approved indoor air han
dler or coil. See the Lennox EL16XC1 Product Specifica
tions 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.
IMPORTANT: Special procedures are required for clean
ing the aluminum coil in this unit. See page 15 in this in
struction for information.
NOTICE !
For more in-depth information, consult the Installa
tion and Service Procedures manual, available as
Corp. 1503-L7 on LennoxPROs.com or through the
Technical Support department at 800-453-6669.
STEP 1 -- SETTING THE UNIT -- Clearances
Í Í Í Í Í Í Í Í Í Í Í Í Í
Í Í Í Í Í Í Í Í Í Í Í Í Í
See NOTES
Í Í Í Í Í Í Í Í Í Í Í Í Í
Í Í Í Í Í Í Í Í Í Í Í Í Í
Í Í Í Í Í Í Í Í Í Í Í Í Í
Í Í Í Í Í Í Í Í Í Í Í Í Í
See
Í Í Í Í Í Í Í Í Í Í Í Í Í
NOTES
Í Í Í Í Í Í Í Í Í Í Í Í Í
Í Í Í Í Í Í Í Í Í Í Í Í Í
Í Í Í Í Í Í Í Í Í Í Í Í Í
See NOTES
Í Í Í Í Í Í Í Í Í Í Í Í Í
Í Í Í Í Í Í Í Í Í Í Í Í Í
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
507525-01
08/2016
Improper installation, adjustment, alteration, service or
maintenance can cause property damage, personal inju
ry or loss of life.
Installation and service must be performed by a licensed
professional installer (or equivalent) or service agency.
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 pro
tective 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.
See
NOTES
Clearance to one of the remaining two sides may be 12 in. and the
final side may be 6 in.
A clearance of 24 in. must be maintained between two units.
Control
Box
48 in. clearance required on top of unit.
FIGURE 1
Page 1
Series EL16XC1 Units
®
WARNING
CAUTION
Advertisement
Table of Contents
Related Manuals for Lennox EL16XC1-018-230
Summary of Contents for Lennox EL16XC1-018-230
-
Page 1: Installation Instructions
HFC-410A refrigerant only. professional installer (or equivalent) or service agency. This unit must be installed with an approved indoor air han dler or coil. See the Lennox EL16XC1 Product Specifica CAUTION tions bulletin (EHB) for approved indoor component match ups. -
Page 2: Unit Dimensions - Inches (Mm)
ELECTRICAL INLETS SUCTION LINE CONNECTION 4-3/4” 4-1/2” (121) (108) TOP VIEW SIDE VIEW EL16XC1 Dimensions - in. (mm) Model 31 (787) See EL16XC1-018 base section below. EL16XC1-018-230 (686) (711) 30-1/2 13-7/8 7-3/4 3-1/4 27-1/8 3-5/8 4-1/2 20-5/8 31 (787) EL16XC1-024-230... - Page 3 ELEVATED SLAB MOUNTING USING FEET STEP 1 -- SETTING THE UNIT (Continued) EXTENDERS -- Unit Placement Use additional 2” SCH 40 male 2” (50.8MM) SCH 40 NOTICE ! threaded adapters which can FEMALE THREADED be threaded into the female ADAPTER Roof Damage! threaded adapters to make additional adjustments to the...
-
Page 4: Step 2 -- Refrigerant Piping
Take care to empty all existing traps. Polyol es WARNING ter (POE) oils are used in Lennox units charged with HFC-410A refrigerant. Residual mineral oil can act as an insulator, preventing proper heat transfer. It Polyol ester (POE) oils used with HFC-410A can also clog the expansion device and reduce sys... - 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...
-
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
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 valve stem port. - Page 8 STEP 2 — REFRIGERANT PIPING — Installing Indoor Expansion Valve This outdoor unit is designed for use in systems that use a expansion valve metering device. See the EL16XC1 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 3 -- Leak Test And Evacuation
STEP 3 -- LEAK TEST AND EVACUATION HIGH MANIFOLD GAUGE SET OUTDOOR UNIT TO SUCTION 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 suction valve service port. -
Page 10: Evacuate The System
STEP 3 -- LEAK TEST AND EVACUATION (Continued) EVACUATION HIGH CONNECT GAUGE SET NOTE - Remove cores from service valves (if not already done). A - Connect low side of manifold gauge set with 1/4 SAE in-line tee to suction line service valve OUTDOOR MANIFOLD... -
Page 11: Install Thermostat
STEP 4 -- ELECTRICAL -- Circuit Sizing and Wire Routing In the U.S.A., wiring must conform with current local codes WARNING and the current National Electric Code (NEC). In Canada, wiring must conform with current local codes and the current Fire Hazard. - Page 12 STEP 4 -- ELECTRICAL (CONTINUED) -- Field Wiring Unit Low Voltage Wiring HIGH VOLTAGE FIELD WIRING FACTORY WIRING LOW VOLTAGE (24V) FIELD WIRING WIRE RUN LENGTH AWG# INSULATION TYPE WIRE NUTS LESS THAN 100' (30 METERS) TEMPERATURE RATING MORE THAN 100' (30 METERS) 35ºC MINIMUM.
-
Page 13: Step 5 -- Unit Start-Up
Using Manifold Gauge Set STEP 5 -- UNIT START-UP When checking the system charge, only use a manifold IMPORTANT gauge set that features low loss anti-blow back fittings. Manifold gauge set used with HFC-410A refrigerant sys If unit is equipped with a crankcase heater, it should be tems must be capable of handling the higher system oper... -
Page 14: To Access Service Port
If you are unsure about the located on the liquid line. The SPST, normally closed pres filter required for your system, call your Lennox dealer for sure switch opens when liquid line pressure rises above the assistance. - Page 15 (less than 50psi). If the coil cannot be Verify room thermostat settings are correct. ● cleaned using water alone, Lennox recommends Verify that all electrical disconnect switches are ON. ● use of a coil cleaner with a pH in the range of 5 to 9.
-
Page 16: Start Up Checks
EL16XC1 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:...