Lennox EL180UHE - Manual
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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
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 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 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 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...