Lennox EL296UHE - Manual

Lennox EL296UHE

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Table of Contents:

  • Page 2 – FRONT VIEW; Optional External Side Return Air Filter Kit is not for use
  • Page 3 – FIGURE 1; DIRECT VENT INSTALLATION; FIGURE 2; INSTALLATION; Shipping and Packing List; Package 1 of 1 contains; Safety Information; CAUTION; DANGER; Building Codes
  • Page 4 – Heating Unit Installed Upstream of Cooling Coil; Gas Unit; NOTE; Use of Furnace as Construction Heater
  • Page 5 – General; WARNING
  • Page 6 – In Canada, refer to the CSA B149 installation codes.; Unconfined Space; must be; Air from Inside; EQUIPMENT IN CONFINED SPACE - ALL AIR FROM INSIDE
  • Page 7 – Air from Outside; per .59kW) per total input rating of all equip­; FIGURE 5; FIGURE 6; * See table 6 for maximum vent lengths; * See table 6 for maximum vent lengths; FIGURE 8
  • Page 8 – FIGURE 9; EQUIPMENT IN CONFINED SPACE -; Shipping Bolt Removal; The bolt and washer must be re­; Af­; RIGID LEG; Installation - Setting Equipment; Upflow Applications; The unit must be level from side to side. The unit
  • Page 9 – SETTING EQUIPMENT; UPFLOW APPLICATION; SIDE VIEW
  • Page 10 – Installation Clearances; Back; Return Air Guidelines; Refer to Product Specifications for additional information.; Side Return Air; Return
  • Page 11 – SIDE RETURN; Screw; Removing the Bottom Panel; Horizontal Applications; Front
  • Page 12 – Left End; Top; Suspended Installation of Horizontal Unit
  • Page 13 – Filters; IMPORTANT; TABLE 1; Furnace; Duct System; Supply Air Plenum; Pipe & Fittings Specifications
  • Page 14 – TABLE 2; PRIMER & SOLVENT CEMENT; Canadian Applications Only; Joint Cementing Procedure; Check the inside of vent pipe thoroughly for
  • Page 15 – Venting Practices; Piping Suspension Guidelines; Wall Thickness Guidelines; Removal of the Furnace from Common Vent
  • Page 16 – Vent Piping Guidelines; Horizontal Installation Offset Requirements; Exhaust Pipe; TABLE 3; MODEL
  • Page 17 – Piping Size Process
  • Page 18 – STANDARD
  • Page 19 – See concentric terminations next page.
  • Page 22 – APPLICATIONS
  • Page 23 – UPFLOW NON−DIRECT; TYPICAL AIR INTAKE PIPE CONNECTIONS; HORIZONTAL NON−DIRECT VENT APPLICATIONS
  • Page 24 – EQUIPMENT IN CONFINED SPACE; General Guidelines for Vent Terminations
  • Page 26 – INSIDE CORNER
  • Page 28 – DIRECT VENT ROOF TERMINATION KIT; Exiting Exhaust and Intake Vent; EXHAUST PIPE TERMINATION SIZE REDUCTION
  • Page 29 – Vent Pipe; Alternate Terminations
  • Page 33 – - Exhaust piping must terminate straight out or up as; NON-DIRECT VENT ROOF TERMINATION KIT; NON-DIRECT VENT FIELD SUPPLIED WALL TERMINATION OR; - If exhaust piping must be run up a side wall to position; NON-DIRECT VENT FIELD SUPPLIED WALL TERMINATION
  • Page 34 – EL296UHE NON-DIRECT VENT APPLICATION; Condensate Piping; CONDENSATE TRAP AND PLUG LOCATIONS; In horizontal applications it is recommended to
  • Page 35 – Field Provided Drain Components; Do; (Unit shown in upflow position with remote trap); To Drain; CONDENSATE TRAP LOCATIONS; Condensate Trap With Optional Overflow Switch
  • Page 36 – EL296UHE with Evaporator Coil Using a Separate Drain; EL296UHE with Evaporator Coil Using a Common Drain; (Unit shown in horizontal left−hand discharge position)
  • Page 38 – Gas Piping; - Gas piping may be routed into the unit through either; Leak Check; FIRE OR EXPLOSION HAZARD
  • Page 40 – GAS PIPE CAPACITY - FT; Electrical; Precautions and Procedures; INTERIOR MAKE-UP BOX INSTALLATION; BOX; remove and relocate
  • Page 41 – - When the thermostat is set to “FAN ON,” the indoor; Generator Use - Voltage Requirements; The furnace integrated control requires both polarity; On-Board Link W914 Dehum
  • Page 42 – TYPICAL EL296UHE WIRING DIAGRAM
  • Page 43 – Integrated Control; /4” QUICK CONNECT TERMINALS; FLAME SENSE SIGNAL
  • Page 44 – Integrated Control DIP Switch Settings; Select “OFF
  • Page 45 – ON
  • Page 46 – OFF; OFF; OFF
  • Page 47 – * Connect W1 to W1 ONLY if using defrost tempering kit 67M41
  • Page 49 – GAS VALVE SHOWN IN ON POSITION
  • Page 50 – Gas Pressure Adjustment
  • Page 51 – Proper Combustion; For Nat; Low Fire; High Altitude Information; All Sizes
  • Page 52 – CARBON MONOXIDE POISONING HAZARD!
  • Page 54 – Repair Parts List
  • Page 55 – Service
  • Page 56 – Line Voltage; UNIT SET UP; Flter
  • Page 57 – Combustion CO; UNIT OPERATION
  • Page 58 – Requirements for Commonwealth of Massachusetts
Loading the manual

Page 1

02/13

*2P0213*

507067-01

*P507067-01*

E

2013 Lennox Industries Inc.

Dallas, Texas, USA

AIR FLOW

UPFLOW

AIR FLOW

AIR FLOW

HORIZONTAL RIGHT

HORIZONTAL LEFT

INSTALLATION
INSTRUCTIONS
EL296UHE

ELITE

®

SERIES GAS FURNACE

UPFLOW / HORIZONTAL AIR DISCHARGE

507067-01
02/2013
Supersedes 01/2012

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

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

EL296UHE Gas Furnace

3

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

Shipping and Packing List

3

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

Safety Information

3

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

Use of Furnace as a Construction Heater

4

. . . . . . . . . . .

General

5

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

Combustion, Dilution, Ventilation Air

5

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

Setting Equipment

8

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

Filters

13

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

Duct System

13

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

Pipe and Fittings Specifications

13

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

Joint Cementing Procedure

15

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

Venting Practices

15

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

Gas Piping

38

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

Electrical

40

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

Integrated Control

43

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

Unit Start Up

49

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

Gas Pressure Measurement

50

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

Proper Combustion

51

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

High Altitude

51

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

Other Unit Adjustments

53

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

Sequence of Operation

53

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

Repair Parts List

54

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

Service

55

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

Start-Up and Performance Checklist

56

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

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Summary

Page 2 - FRONT VIEW; Optional External Side Return Air Filter Kit is not for use

Page 2 EL296UHE Unit Dimensions - inches (mm) 1−1/2 (38) 9/16 (14) AIR FLOW mm in. 6−9/16 (167) Left 9 (229) Right 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 EXHAUST AIR OUTLET ELECTRICAL INLET (Ei...

Page 3 - FIGURE 1; DIRECT VENT INSTALLATION; FIGURE 2; INSTALLATION; Shipping and Packing List; Package 1 of 1 contains; Safety Information; CAUTION; DANGER; Building Codes

Page 3 EL296UHE Gas Furnace The EL296UHE Category IV gas furnace is shipped readyfor installation in the upflow or horizontal position. The fur­nace is shipped with the bottom panel in place. The bot­tom panel must be removed if the unit is to be installed inhorizontal or upflow applications with bo...

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

Page 4 In order to ensure proper unit operation in non-direct ventapplications, combustion and ventilation air supply must beprovided according to the current National Fuel Gas Codeor CSA‐B149 standard. Installation Locations This furnace is CSA International certified for installationclearances to ...

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