Removingthe Bottom Panel

Remove the two screws that secure the bottom cap to the furnace. Pivot the bottom cap down to release the bottom panel. Once the bottom panel has been removed, reinstall the bottom cap, See figure 9.

Removing the Bottom Panel

Screw

Bottom Cap

Bottom

FIGURE 9

Leveling an Upflow Unit

When the side return air inlets are used in an upflow ap- plication, it may be necessary to install leveling bolts on the bottom of the furnace. Use field-supplied corrosion-resist- ant 5/16 inch machine bolts (4) and nuts (8), See figure 10.

NOTE - The maximum length of the bolt is 1-1/2 inches.

1 - Lie the furnace on its back and drill a 5/16 inch diame- ter hole in each corner of the furnace'sbottom. See fig- ure 10 for the correct location of the holes, Drill through the bottom panel and the bottom flange of the cabinet,

2 - Install one bolt and two nuts into each hole. Screw the first nut onto a bolt and then insert the bolt into a hole, A

fiat washer may be added between the nut and the bot- tom of the unit,

3 - Screw another nut onto the bolt on the inside of the fur-

nace base. A flat washer may be added between the nut and the bottom of the unit,

4 - Adjust the outside nut to the appropriate height and tighten the inside nut to secure the arrangement,

Leveling	Bolt Installation
	3/8	Inches (mm)
	3/8
	(10) _r
Furnace Front3/8	_'1[	1-3/4
		(44)

1-3/4			Leveling Bolt
(44)			Leveling Bolt
		Furnace	Locations
		Furnace
		Bottom
Leveling	Bolt		3/8
Leveling	Bolt		(10)
Locati_			(10)
Locati_

3/81-3/4

(10)(44)

I-3/4 (44)

FIGURE 10

Horizontal Applications

The G50UH(X) furnace can be installed in horizontal ap- plications,

Allow for clearances to combustible materials as indicated on the unit nameplate, Minimum clearances for closet or al- cove installations are shown in figure 11,

Horizontal Application

Installation Clearances

Top

Left End				Right	End
	Bottom
Vent Connector	Type C			Type		B1
Type	Type C			Type		B1
Type
Top		0			0
*Front	3 in.	(76	ram)	3 in.	(76	ram)
Back		0			0
Ends	2 in.	(51 ram)		2 in.	(51	ram)
Vent	6 in.	(152	ram)	1 in.	(25	ram)
Floor		o:_			o:_

*Front clearance in alcove installation must be 24 in. (610 ram). Maintain a minimum of 24 in. (610 ram) for front service access. _:For installations on a combustible floor, do not install the furnace directly on carpeting, tile or other combustible materials other than wood flooring.

FIGURE 11

Page 10

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.