Lennox EL180UHE - Manual

Lennox EL180UHE

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Table of Contents:

  • Page 2 – SUPPLY AIR; FRONT VIEW; Single side return air with transition, to accommodate
  • Page 3 – Shipping and Packing List; Package 1 of 1 contains; Safety Information; DANGER; WARNING; Certifications
  • Page 4 – or; COOL; Heating Unit Installed Upstream of Cooling Coil; Gas Unit; Use of Furnace as Construction Heater
  • Page 5 – The gas cock must be “T handle” type.; Unconfined Space
  • Page 6 – Confined Space; FIGURE 2; figures 3 and 4. When communicating with
  • Page 7 – FIGURE 3
  • Page 8 – Setting Equipment; The unit must be level.; FIGURE 6; Upflow Applications; Upflow Application Installation Clearances; FIGURE 7
  • Page 9 – Refer to Engineering Handbook for additional information.; FIGURE 8; Return Air; Transition; Single Side Return Air; SIDE VIEW; SIDE RETURN
  • Page 10 – Screw; Horizontal Applications; Air
  • Page 11 – CAUTION; Filters; IMPORTANT; A filter must be in place any time the unit is operating.; TABLE 1; Duct System; Do not operate the furnace in the heating mode; Supply Air Plenum
  • Page 12 – Return Air Plenum; Venting; Mounting Screws Location; Top Vent Discharge; - Use tin snips to cut preferred opening on the cabinet
  • Page 13 – Left Side Vent Discharge; UPFLOW POSITION; Right Side Vent Discharge; HORIZONTAL LEFT POSITION; Side Vent Discharge
  • Page 14 – HORIZONTAL RIGHT POSITION; Side Vent Discharge - no modifications necessary; Use these instructions as a guide. They do not su­; Venting Using a Masonry Chimney
  • Page 15 – VENT CONNECTION UPFLOW AND HORIZONTAL POSITION; Common Venting Using Metal-Lined Masonry Chimney; The chimney is currently serving at least one drafthood-
  • Page 16 – Connector Diameter
  • Page 20 – Gas Piping; Gas Supply; If emergency shutoff is necessary, shut off the main
  • Page 22 – Horizontal Application; Leak Check; Electrical; Precautions and Procedures
  • Page 23 – INTERIOR MAKE-UP BOX INSTALLATION; Unit nameplate states maximum current draw.; Accessory Terminals
  • Page 24 – EL180UHE Schematic Wiring Diagram
  • Page 25 – Integrated Control; RED LED; INTEGRATED CONTROL; TABLE 7
  • Page 27 – Gas Pressure Adjustment; NOTE; Proper Combustion; High Altitude
  • Page 28 – Other Unit Adjustments; After the furnace has been started, and supply and return
  • Page 29 – Service
  • Page 30 – Repair Parts List
  • Page 31 – Line Voltage; Filter; upflow furnace shown
  • Page 32 – Combustion CO; Temperatures
Loading the manual

Page 1

01/13

*2P0113*

507138-01

*P507138-01*

2013 Lennox Industries Inc.

Dallas, Texas, USA

UPFLOW

HORIZONTAL LEFT

HORIZONTAL RIGHT

AIR FLOW

AIR FLOW

AIR FLOW

INSTALLATION
INSTRUCTIONS
EL180UHE

ELITE

®

SERIES GAS FURNACE

UPFLOW / HORIZONTAL AIR DISCHARGE

507138-01
01/2013

THIS MANUAL MUST BE LEFT WITH THE

HOMEOWNER FOR FUTURE REFERENCE

This is a safety alert symbol and should never be ignored.
When you see this symbol on labels or in manuals, be alert
to the potential for personal injury or death.

WARNING

Improper installation, adjustment, alteration, service
or maintenance can cause property damage, person­
al injury or loss of life. Installation and service must
be performed by a licensed professional installer (or
equivalent), service agency or the gas supplier.

CAUTION

As with any mechanical equipment, personal injury
can result from contact with sharp sheet metal
edges. Be careful when you handle this equipment.

Table of Contents

Unit Dimensions

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

EL180UHE Gas Furnace

3

. . . . . . . . . . . . . . . . . . . . . . . . .

Shipping and Packing List

3

. . . . . . . . . . . . . . . . . . . . . . . .

Safety Information

3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Use of Furnace as a Construction Heater

4

. . . . . . . . . . .

General

4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Combustion, Dilution & Ventilation Air

5

. . . . . . . . . . . . . .

Setting Equipment

8

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Filters

11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Duct System

11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Venting

12

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Gas Piping

20

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical

22

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Integrated Control

25

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unit Start-Up

26

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Gas Pressure Adjustment

27

. . . . . . . . . . . . . . . . . . . . . . . .

High Altitude

27

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Proper Combustion

27

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Other Unit Adjustments

28

. . . . . . . . . . . . . . . . . . . . . . . . . .

Service

29

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Repair Parts List

30

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Start Up Check List

31

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Summary

Page 2 - SUPPLY AIR; FRONT VIEW; Single side return air with transition, to accommodate

Page 2 Unit Dimensions - inches (mm) AIR FLOW 23 (584) (19) 3/4 (19) 1 Bottom Return Air Opening GAS PIPING INLET (Either Side) Side ReturnAir Opening(Either Side) 1 Bottom Return Air Opening FLUE OUTLET (Top) ELECTRICAL INLET (Either Side) SUPPLY AIR OPENING FRONT VIEW SIDE VIEW TOP VIEW A B 9/16 (...

Page 3 - Shipping and Packing List; Package 1 of 1 contains; Safety Information; DANGER; WARNING; Certifications

Page 3 EL180UHE Gas Furnace The EL180UHE unit is shipped ready for installation in theupflow or horizontal right position (for horizontal left posi­tion the combustion air pressure switch must be moved)fueled by natural gas. A conversion kit (ordered separate­ly) is required for use in LP/Propane ga...

Page 4 - or; COOL; Heating Unit Installed Upstream of Cooling Coil; Gas Unit; Use of Furnace as Construction Heater

Page 4 Installed in Combination with a Cooling Coil When this furnace is used with cooling units, it shall beinstalled in parallel with, or on the upstream side of, coolingunits to avoid condensation in the heating compartment.See figure 1. With a parallel flow arrangement, a damper (orother means t...

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