Lennox International Inc G50UH-60D-135, G50UH-48C-110, G50UH-36C-110, G50UH-36B-090 YEs

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SURELIGHT ® CONTROL

CONTINUOUS FAN SEQUENCE OF OPERATION

I

LED: SLOW FLASH RATE REMAINS

!

I

UNCHANGED THROUGHOUT SEQUENCE.

I

MANUAL FAN SELECTION MADE AT THERMOSTAT.

CONTROL (G) ENERGIZES INDOOR BLOWER AT

FAN SPEED. EAC TERM. IS ENERGIZED.

 

 

/

HUM TERM. ENERGIZES

 

THERMOSTAT

CALLS FOR HEAT (W).

I--l't

 

WITH COMB. AIR INDUCER.

 

 

YEs /

I

NO

 

THERMOSTAT CALLS FOR COOLING.

 

 

 

 

_YES

 

AFTER

NORMAL DELAY.

 

 

 

 

 

I INDOOR BLOWER SWITCHES TO COOL SPEED.

 

 

I

AND HUM TERMINAL ARE DE-ENERGIZED.

 

 

THERMOSTAT

OPENS. COMBUSTION AIR INDUCER I

THERMOSTAT

OPENS.

 

 

 

 

1

 

 

 

I

 

 

 

I

 

AFTER DELAY HEAT SPEED DE-ENERGIZED.

J INDOOR BLOWER SELECTED TIME OFF DELAY BEGINS. I

 

(bower

rema

ns energ zed dur ng cont nuous fan mode).

t

INDOOR BLOWER

SWITCHES

TO FAN

"4

SPEED, EAC TERM,

REMAINS ENERGIZED,

J

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Contents G50UHX Series Supply AIR Gasket FlueTransition FlueBoxGasket HeatExchanger FlueCollectorBoxPackage 1 of 1 contains Wheninstalled,thisfurnacemustbeelectricallygrounded Canada,referto the standardCSAB149installation codes AcautionWiTER/ Room Air from InsideMm at unit front. The unit must be level Equipment in Confined Space ALL AIR from Outside27-5/8 Side View Front ViewRemoving the Bottom Panel Leveling Bolt Installation Inches mmRemovingthe Bottom Panel Leveling an Upflow UnitHorizontal Application Unit Installed on Platform Combustion Air Inducer Filter SizeSupply Air Plenum HoleThelatesteditionof NationalFuelGasCodeNFPA54 Venting Using a Masonry ChimneyOutletopeningSeefigure15 Vent ConnectionSingle appliance Common Venting Using Tile-Lined Interior Masonry ChimneCombined Vent Connector Minimum Vent capacityMaximum Horizontal Inches mm MIN MAX Serving a Single Category I Appliance Type B Double-WallVents with Type B Double-Wall Connectors Serving Two or More Category I AppliancesVent Removal of the Furnace from Common VentPropaneInstallationCodesinCanada Gas Pipe Capacity ft3/hr m3/hrLeak Check Precautions and ProceduresInterior MAKE-UP BOX Installation Electrostatic Discharge ESDPowER @1HsuN,T INTERIORMAKE-UP BOX InstallationTypical G50UHX Field Wiring Diagram Zk for Correct Number of SecondaryG5OUHX SotFor Your Safety Read Before Lighting ManifoldHoneywell VR8205 Gas Valve with ON/OFF Switch RevolutionPrimary and Secondary Limits Checkunitforproperdraft FlueAnd ChimneyG50UHX Burner & Heat Exchanger Removal Ak Caution Diagnostic Normal Heating Mode Abnormal Heating Mode Surelight Control=-l YESlNormalcooling Mode Abnormalcooling Mode YESlYEs BlowerMotorAmps FurnaceBtuInput

G50UH-60D-155, G50UH-36B-090, G50UH-36A-070, G50UH-24A-045, G50UH-60D-135 specifications

Lennox International Inc is renowned for its high-quality heating, ventilation, and air conditioning (HVAC) solutions. Among its versatile product lineup are the G50UH series of gas furnaces, which exemplify efficiency and performance. These models, specifically the G50UH-24A-070, G50UH-24A-045, G50UH-36B-090, G50UH-36A-070, and G50UH-48C-135, offer a range of features tailored to meet varying residential heating demands.

One of the key features of the G50UH series is its energy efficiency. Many models in this lineup boast an impressive Annual Fuel Utilization Efficiency (AFUE) rating, which indicates their ability to convert fuel into usable heat efficiently. These high AFUE ratings can lead to significant savings on energy bills, making these furnaces a cost-effective choice for homeowners.

The G50UH series incorporates advanced technology, including multi-speed blowers that enhance comfort levels. This feature allows for better airflow control and can help maintain consistent temperatures throughout the home. The controlled airflow reduces temperature swings and ensures that every room benefits from the heating provided by the furnace.

Safety is paramount in Lennox designs, and the G50UH series is no exception. Each unit is equipped with safety features designed to protect both the furnace and the home. Dual certification ensures that the products meet stringent safety standards. Moreover, features like a self-diagnostic control board streamline maintenance, allowing homeowners to easily identify potential issues.

Another important characteristic of the G50UH series is its compact design, which is beneficial for homes with limited space. The units are designed to fit comfortably in various installation environments, from basements to utility rooms.

Durability is another hallmark of the G50UH furnaces. Constructed with quality materials, these units are designed for long-term reliability. This ensures that homeowners can enjoy the comfort of their heating systems without frequent repairs.

Lastly, Lennox provides extensive support and warranties, giving homeowners peace of mind associated with their purchase. With options tailored to meet diverse home heating needs, the Lennox G50UH series stands out in the HVAC market, combining efficiency, safety, and reliability in one impressive package.
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