Lennox International Inc Gas Packaged Units, 15GCSX installation instructions Table of Contents

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E 2010 Lennox Industries Inc.

Dallas, Texas, USA

RETAIN THESE INSTRUCTIONS

FOR FUTURE REFERENCE

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), service agency or the gas supplier.

INSTALLATION

INSTRUCTIONS

15GCSX SERIES UNITS

 

 

 

 

 

 

GAS PACKAGED UNITS (2−5 TONS)

 

 

 

 

 

506701−01

 

Litho U.S.A.

(38152A086)

 

 

 

 

 

 

06/11

 

 

 

 

 

Supersedes 03/11

 

 

 

 

 

Table of Contents

Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Parts Arrangement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Shipping & Packing List . . . . . . . . . . . . . . . . . . . . . . . . . 3

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Location Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Rigging & Setting Unit . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Installing Vent Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Existing Common Vent Systems . . . . . . . . . . . . . . . . . . 6

Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Supply & Return Connections . . . . . . . . . . . . . . . . . . . . 7

Compressors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Gas Supply and Piping . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Blower Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Cooling Start−Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Heating Start−Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Unit Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Condenser Fan Clearances . . . . . . . . . . . . . . . . . . . . . 19

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Planned Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Repair Parts & Accessories . . . . . . . . . . . . . . . . . . . . . 22

WARNING

FIRE OR EXPLOSION HAZARD.

Failure to follow safety warnings ex- actly could result in serious injury, death, or property damage.

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other ap- pliance.

Installation and service must be performed by a qualified installer, service agency or the gas supplier.

WHAT TO DO IF YOU SMELL GAS:

DDo not try to light any appliance.

DDo not touch any electrical switch; do not use any phone in your building.

DLeave the building immediately.

DImmediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

DIf you cannot reach your gas supplier, call the fire department.

06/11

506701−01

*2P0611*

*P506701-01*

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Contents Retain These Instructions For Future Reference Table of ContentsLbs 15GCSX Unit Dimensions − inches mmParts Arrangement Safety Information GeneralShipping & Packing List Location Selection Accessory Lift Kit Rigging & Setting UnitService Clearances − Inches Millimeters ClearancesVent Hood Installation Vent Hood InstallationExisting Common Vent Systems Page Filters Condensate DrainTypical Condensate Drain Unit Filter Size Supply & Return Duct ConnectionsRemoving Supply and Return Air Opening CoversCompressors Gas Piping and Electrical Conduit AccessGas Supply and Piping Gas Heat Application DataPressure Test Gas Piping Drip Leg InstallationIsolate Gas Valve To Pressure Test Gas piping recommendationsHeat Anticipator Setting 208/230 Line Voltage WiringElectrical Thermostat15GCSX Series Gas Packaged Units Typical Wiring Diagram Blower Control A54 Blower Control A54Cool Cooling Start−Up Normal Operating Pressures Heating Start−UpHoneywell VR8205 Series Gas Valve Post Start−up Check List Gas Checking and Adjusting Gas InputHigh Altitude Information Heating Sequence of OperationUnit Controls Blower Delay − HeatingBlower Control A54 Ignition Control A3Rollout Switch Pressure SwitchIgnition Control Ignition Control LED CodesCondenser Fan Clearances Comfort Alert Code Auto−Reset FunctionSystem Operation Monitor Lsom System Operation Monitor A132System Operation Monitor LED Troubleshooting Codes Planned Service MaintenanceRepair Parts & Accessories
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Gas Packaged Units, 15GCSX specifications

Lennox International Inc. is a leading name in the HVAC industry, renowned for its innovative and energy-efficient products. Among its featured offerings are the 15GCSX Gas Packaged Units, specifically designed to provide reliable heating and cooling performance for residential and light commercial applications.

The 15GCSX models stand out with their impressive efficiency ratings, achieving up to 14 SEER (Seasonal Energy Efficiency Ratio) for cooling and 81% AFUE (Annual Fuel Utilization Efficiency) for heating. This ensures that users can enjoy a comfortable indoor environment while also managing energy costs, making them an environmentally friendly choice.

One of the key features of the 15GCSX is its compact design, allowing for easy installation in tight spaces. This is particularly beneficial for urban settings where space can be at a premium. The unit’s all-in-one design integrates both heating and cooling capabilities, eliminating the need for separate systems and simplifying maintenance.

The 15GCSX Gas Packaged Units utilize advanced technologies to optimize performance. Equipped with Lennox’s proprietary iComfort technology, these units can connect to smart thermostats, allowing users to monitor and adjust settings remotely. This innovation enhances energy savings and provides users with full control over their indoor climate, contributing to enhanced comfort levels.

In terms of durability, the 15GCSX models feature a robust construction, complete with weather-resistant cabinet materials designed to withstand the elements. The unit’s stainless steel heat exchanger is built for longevity and efficiency, further enhancing the overall reliability of the system.

Noise reduction is another critical consideration in the design of the 15GCSX units. They come equipped with a specially designed, quiet-running fan and compressor that help to minimize operational sound levels, ensuring a peaceful indoor environment during use.

In conclusion, the Lennox 15GCSX Gas Packaged Units represent a high-quality solution for efficient heating and cooling needs. With their combination of advanced technology, energy efficiency, compact design, and durability, these units are an excellent choice for homeowners and businesses seeking reliable climate control. The integration of smart features and silent operation further solidifies their position as a preferred option in the HVAC market.
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