Lennox Elite XP16 Series Installation Instructions Manual
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Also See for Elite XP16 Series:
- Brochure & specs (4 pages) ,
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- Unit information (51 pages)
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E2013 Lennox Industries Inc.
Dallas, Texas, USA
THIS MANUAL MUST BE LEFT WITH THE
HOMEOWNER FOR FUTURE REFERENCE
The State of California has determined that this product
may contain or produce a chemical or chemicals, in very
low doses, which may cause serious illness or death. It
may also cause cancer, birth defects, or reproductive
harm.
General
This XP16 outdoor heat pump 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
XP16 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.
STEP 1 -- SETTING THE UNIT -- Clearances
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6/2013
*2P62013*
Downloaded from
ManualsNet.com
WARNING
See NOTES
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INSTALLATION
INSTRUCTIONS
Elite
Series XP16 Units
®
HEAT PUMP
506640-01
6/2013
Supersedes 7/2012
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.
Before attempting to perform any service or mainte
nance, turn the electrical power to unit OFF at discon
nect switch.
For more in-depth information, consult the Installa
tion and Service Procedures manual, available as
Corp. 0626-L5 on DaveNet or through the Technical
Support department at 800-453-6669.
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
final side may be 6 in..
A clearance of 24 in. must be maintained
between two units.
48 in. clearance required on top of unit.
FIGURE 1
Page 1
WARNING
CAUTION
NOTICE !
506640-01
*P506640-01*
Litho U.S.A.
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Table of Contents
Related Manuals for Lennox Elite XP16 Series
Summary of Contents for Lennox Elite XP16 Series
- Page 1 This XP16 outdoor heat pump is designed for use with nect switch. HFC-410A refrigerant only. This unit must be installed with an approved indoor air handler or coil. See the Lennox NOTICE ! XP16 Product Specifications bulletin (EHB) for approved indoor component match ups.
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Page 2: Unit Dimensions - Inches (Mm)
UNIT DIMENSIONS - INCHES (MM) DISCHARGE AIR LIQUID LINE CONNECTION ELECTRICAL INLETS VAPOR LINE CONNECTION 2 (51) 4-3/4 4-1/4 (121) (108) SIDE VIEW SIDE VIEW 1 (25) UNIT SUPPORT FEET UNIT SUPPORT FEET 8-1/2 9-1/2 (216) (241) 8-3/4 8-1/4 (222) (210) 5-1/2 13-1/2... -
Page 3: Slab Mounting
CAUTION ELEVATED SLAB MOUNTING USING FEET EXTENDERS As with any mechanical equipment, contact with sharp sheet metal edges can result in personal injury. Take Use additional 2” SCH 40 male care while handling this equipment. 2” (50.8MM) SCH 40 threaded adapters which can FEMALE THREADED be threaded into the female IMPORTANT ! - Page 4 Take care to empty all existing traps. Polyol es IMPORTANT ! ter (POE) oils are used in Lennox units charged with HFC-410A refrigerant. Residual mineral oil can act Some scroll compressors have an internal vacuum as an insulator, preventing proper heat transfer.
- 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 CHECK DISTRIBUTOR TUBES (UNCASED COIL ONLY) ORIFICE EXPANSION LIQUID LINE ORIFICE HOUSING...
- Page 6 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 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.
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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 check/expansion valve metering device. See the XP16 Product Specifications bulletin (EHB) for approved check/expansion valve kit match-ups and application information. The check/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 Connect the high pressure hose of an HFC-410A manifold gauge set to the vapor valve service port. NOTE —... - Page 10 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...
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Page 11: Install Thermostat
STEP 5 -- ELECTRICAL -- Circuit Sizing and Wire Routing In the U.S.A., wiring must conform with current local codes IMPORTANT ! and the current National Electric Code (NEC). In Canada, wiring must conform with current local codes and the current If unit is equipped with a crankcase heater, it should Canadian Electrical Code (CEC). -
Page 12: Low Voltage Connections
Install low voltage wiring from outdoor to indoor unit and from thermostat to indoor unit as illustrated. See figures 13 and 14 for typical field connections when connecting unit to either a CBX32MV or CBX40UHV in non-communicating mode. For connections to other Lennox air handlers or furnaces, see the ComfortSense®... - Page 13 Typical Field Wiring — Heat Pump Application with CBX32MV COMFORTSENSET HEAT PUMP UNIT 7000 CBX32MV or CBX40UHV (TWO-STAGE) CBX40UHV X2658 OUTDOOR SENSOR IS REQUIRED FOR OUTDOOR TEMPERATURE DISPLAY, DEW POINT CONTROL, HEAT PUMP AND DUAL FUEL BALANCE POINTS. CONNECTED ON UNIT WITH LSOM. RESISTOR KIT (CAT # 47W97) IS REQUIRED WHEN CONNECTING THE COMFORTSENSE 7000 WITH THE LSOM 2.
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Page 14: Unit Components
This section addresses: Charging Unit components (sensors, temperature switch, pres The XP16 unit is factory-charged with enough HFC-410A sure switches and demand defrost control) refrigerant to accommodate a 15-foot length of refrigerant Second-stage operation piping. Charge should be checked and adjusted using the tables provided on the charging procedure sticker on the UNIT COMPONENTS unit access panel. - Page 15 HS-PS High-Pressure Switch will count one strike. Service Light Output 24VAC service light output. 24VAC typically used to supply power to the Lennox System Operation 24 Volt output Monitor (LSOM). Not used in this system. Page 15 XP16 SERIES Downloaded from ManualsNet.com...
- Page 16 NOTE - The demand defrost control accurately measures Defrost System the performance of the system as frost accumulates on the outdoor coil. This typically will translate into longer running This section addresses: time between defrost cycles as more frost accumulates on the outdoor coil before the demand defrost control initiates Emergency Heat defrost cycles.
- Page 17 DEMAND DEFROST CONTROL (A108) DIAGNOSTIC LEDS The state (Off, On, Flashing) of two LEDs on the demand defrost control (DS1 [Red] and DS2 [Green]) indicate diagnostics conditions that are described in table 3. TABLE 3 DEMAND DEFROST CONTROL (A108) DIAGNOSTIC LEDS DS1 and DS2 System Status, Fault and Lockout Codes Condition/Code Possible Cause(s)
- Page 18 Field Operation Checklist for Two-Stage Modulation Compressors Expected results during Y2 Unit Readings Y1 - First‐Stage Y2 - Second‐Stage demand (Toggle switch On) COMPRESSOR Voltage Same Amperage Higher OUTDOOR UNIT FAN MOTOR Amperage Same or Higher TEMPERATURE Ambient Same Outdoor Coil Discharge Air Higher Compressor Discharge Line Higher...
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Page 19: Start Up Checks
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 20 Verify room thermostat settings are correct. A.. Ask your Lennox dealer to show you where your indoor Verify that all electrical disconnect switches are ON. unit's filter is located. It will be either at the indoor unit Check for any blown fuses or tripped circuit breakers.