Lennox EL296UH045XV36B Installation Instructions Manual
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Lennox EL296UH045XV36B Installation Instructions Manual

Lennox EL296UH045XV36B Installation Instructions Manual

El296uhv series elite seriies gas furnace up/flow horizontal air discharge
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© 2017 Lennox Industries Inc.
Dallas, Texas USA
HORIZONTAL LEFT
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 - inches (mm) .....................................2
Shipping and Packing List ..............................................3
Safety Information ..........................................................3
Use of Furnace as Construction Heater .........................4
General ...........................................................................5
Shipping Bolt Removal ...................................................8
Installation - Setting Equipment ......................................8
Filters ............................................................................13
Duct System .................................................................13
Pipe & Fittings Specifications .......................................13
Joint Cementing Procedure ..........................................15
Venting Practices ..........................................................16
Gas Piping ....................................................................36
Electrical .......................................................................39
AIR FLOW
UPFLOW
HORIZONTAL RIGHT
INSTALLATION
INSTRUCTIONS
EL296UHV
ELITE
SERIIES GAS FURNACE
®
UP/FLOW HORIZONTAL AIR DISCHARGE
507264-03
06/2017
Superseds 03/2017
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 man-
uals, be alert to the potential for personal injury or death.
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional HVAC installer or
equivalent, service agency, or the gas supplier.
A thermostat is not included and must be ordered
separately.
The Lennox icomforti
communicating applications.
In
non-communicating
ComfortSense® 7500 thermostat may be used, as well
as other non-communicating thermostats.
In all cases, setup is critical to ensure proper system
operation.
which begin on Page 41.
Integrated Control .........................................................48
Blower Data ..................................................................51
On-Board Links.............................................................55
Unit Start Up .................................................................57
Gas Pressure Adjustment .............................................58
Proper Cumbustion.......................................................59
High Altitude .................................................................59
Repair Parts..................................................................60
Other Unit Adjustments.................................................61
Heating Sequence of Operation ...................................61
Service..........................................................................63
Program Unit Capacity/Size Mode ...............................65
Page 1
WARNING
NOTICE
thermostat must be used in
®
applications,
the
Lennox

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  • Page 1: Table Of Contents

    INSTALLATION INSTRUCTIONS EL296UHV © 2017 Lennox Industries Inc. Dallas, Texas USA ELITE SERIIES GAS FURNACE ® UP/FLOW HORIZONTAL AIR DISCHARGE 507264-03 06/2017 Superseds 03/2017 THIS MANUAL MUST BE LEFT WITH THE HOMEOWNER FOR FUTURE REFERENCE This is a safety alert symbol and should never be ignored.

  • Page 2: Unit Dimensions - Inches (Mm)

    (19) (597) Bottom Return Bottom Return Air Opening Air Opening FRONT VIEW SIDE VIEW Model EL296UH045XV36B 17−1/2 in 446 mm 16−3/8 in 416 mm 16 in 406 mm 7−5/8 in 194 mm EL296UH070XV36B EL296UH090XV36C EL296UH090XV48C EL296UH090XV60C 21 in 533 mm 19−7/8 in 505 mm...

  • Page 3: Shipping And Packing List

    EL296UHV Gas Furnace Shipping and Packing List The EL296UHV Category IV gas furnace is shipped ready Package 1 of 1 contains for installation in the upflow or horizontal position. The fur- 1 - Assembled EL296UHV unit nace is shipped with the bottom panel in place. The bot- 1 - Bag assembly containing the following: tom panel must be removed if the unit is to be installed in horizontal or upflow applications with bottom return air.

  • Page 4: Use Of Furnace As Construction Heater

    (or other means to The following statement only applies to the US. Lennox control the flow of air) must adequately prevent chilled ai does not recommend the use of EL296UHV units as a from entering the furnace.

  • Page 5: General

    • Air filters must be replaced upon construction com- CAUTION pletion. EL296UHV unit should not be installed in areas normally • The input rate and temperature rise must be set per subject to freezing temperatures. the furnace rating plate. • One hundred percent (100%) outdoor air must be WARNING provided for combustion air requirements during...
  • Page 6 cient and safe operation. You must consider combustion When the furnace is installed so that supply ducts carry air needs and requirements for exhaust vents and gas air circulated by the furnace to areas outside the space piping. A portion of this information has been reprinted containing the furnace, the return air must be handled by with permission from the National Fuel Gas Code (ANSI.
  • Page 7 Air from Outside EQUIPMENT IN CONFINED SPACE (Inlet Air from Ventilated Crawlspace and Outlet Air to Outside) If air from outside is brought in for combustion and ventila- tion, the confined space shall be provided with two perma- nent openings. One opening shall be within 12” (305mm) Roof Terminated of the top of the enclosure and one within 12”...

  • Page 8: Shipping Bolt Removal

    The bolt and washer must be removed before the furnace EQUIPMENT IN CONFINED SPACE - ALL AIR FROM OUTSIDE is placed into operation. After the bolt and washer have (All Air Through Ventilated Attic) been removed, the rigid leg will not touch the blower hous- ing.
  • Page 9 SETTING EQUIPMENT Unit must be level side-to-side. Unit may be positioned from level to 1/2” toward the front to aid in draining. UPFLOW APPLICATION UNIT FRONT UNIT FRONT AIR FLOW 1/2” max. SIDE VIEW SIDE VIEW FRONT VIEW HORIZONTAL APPLICATION UNIT FRONT 1/2”...
  • Page 10 Return Air Guidelines WARNING Return air can be brought in through the bottom or either Improper installation of the furnace can result in side of the furnace installed in an upflow application. If the furnace is installed on a platform with bottom return, make personal injury or death.

  • Page 11: Bottom Panel

    Optional Return Air Base CONDENSATE (Upflow Applications Only) TRAP FURNACE FRONT 23 (584) 3−1/4 IF BASE Overall (83) IS USED (Maximum) Minimum WITHOUT 11 (279) IAQ CABINET, Maximum 22−7/16 INDOOR AIR A SINGLE Unit side return air 14 (356) QUALITY (570) RETURN AIR Opening...
  • Page 12 Figure 19. A horizontal sus- 6 - Continue with exhaust, condensate and intake pension kit (51W10) may be ordered from Lennox or use piping installation according to instructions. equivalent. NOTE - Heavy-gauge sheet metal straps may be used to suspend the unit from roof rafters or ceiling joists.

  • Page 13: Filters

    Pipe & Fittings Specifications specifications provided by the filter manufacturer against All pipe, fittings, primer and solvent cement must conform the data given in the appropriate Lennox Product with American National Standard Institute and the Ameri- Specifications bulletin. Additional information is provided...
  • Page 14 CAUTION IMPORTANT Solvent cements for plastic pipe are flammable liquids EL296UHV exhaust and intake connections are made and should be kept away from all sources of ignition. of PVC. Use PVC primer and solvent cement when Do not use excessive amounts of solvent cement when using PVC vent pipe.

  • Page 15: Joint Cementing Procedure

    TABLE 3 OUTDOOR TERMINATION USAGE* STANDARD CONCENTRIC Wall Ring Wall Kit 1-1.2 inch 2 inch 3 inch Flush Mount Kit Vent Pipe 2 inch 3 inch 2 inch Input Size Field 71M80 69M29 Dia. in. 51W11 22G44 44J40 Fabricated (US) (US) 60L46 (US) (US)

  • Page 16: Venting Practices

    NOTE - Assembly should be completed within 20 Conduct the following test while each appliance is oper- ating and the other appliances (which are not operating) seconds after last application of cement. Hammer blows should not be used when inserting pipe. remain connected to the common venting system.
  • Page 17 Vent Piping Guidlines Figure 22 NOTE - Lennox has approved the use of DuraVent® and Centrotherm manufactured vent pipe and terminations TABLE 4 as an option to PVC. When using the PolyPro® by Du- raVent or InnoFlue®...
  • Page 18 IMPORTANT Piping Size Process Do not use screens or perforated metal in exhaust or intake terminations. Doing so will cause freeze-ups and may block the terminations. What is the furnace capacity? 045, 070, 090, 110 or 135? Which style termination being used? Standard or concentric? See table 3.
  • Page 19 TABLE 5 Maximum Allowable Intake or Exhaust Vent Length in Feet NOTE - Size intake and exhaust pipe length separately. Values in table are for Intake OR Exhaust, not combined total. Both Intake and Exhaust must be same pipe size Standard Termination at Elevation 0 - 4500 ft Number 2”...
  • Page 20 TABLE 5 Continued Maximum Allowable Intake or Exhaust Vent Length in Feet NOTE - Size intake and exhaust pipe length separately. Values in table are for Intake OR Exhaust, not combined total. Both Intake and Exhaust must be same pipe size. Concentric Termination at Elevation 0 - 4500 ft Number 2”...
  • Page 21 TABLE 6 Maximum Allowable Exhaust Vent Lengths With Furnace Installed in a Closet or Basement Using Ventilated Attic or Crawl Space For Intake Air in Feet NOTE - Size intake and exhaust pipe length separately. Values in table are for Intake OR Exhaust, not combined total. Both Intake and Exhaust must be same pipe size.
  • Page 22 TYPICAL EXHAUST AND INTAKE PIPE CONNECTIONS IN UPFLOW DIRECT OR NON-DIRECT VENT APPLICATIONS EXHAUST INTAKE EXHAUST INTAKE 2” 2” 2” 2” 3” 3” TRANSITION TRANSITION 2” 2” *2” *2” DO NOT transition from smaller to larger pipe in horizontal runs of exhaust pipe.
  • Page 23 Intake Piping TYPICAL AIR INTAKE PIPE CONNECTIONS The EL296UHV furnace may be installed in either direct HORIZONTAL NON−DIRECT VENT APPLICATIONS (Horizontal Right−Hand Air Discharge Application Shown) vent or non-direct vent applications. In non-direct vent applications, when intake air will be drawn into the furnace from the surrounding space, the indoor air quality must be considered and guidelines listed in Combustion, Dilution and Ventilation Air section must be followed.
  • Page 24 General Guidelines for Vent Terminations CAUTION In Non-Direct Vent applications, combustion air is taken If this unit is being installed in an application with from indoors or ventilated attic or crawlspace and the flue combustion air coming in from a space serviced by an gases are discharged to the outdoors.
  • Page 25 TABLE 7 Maximum Allowable Exhaust Vent Pipe Length (in ft.) Without Insulation In Unconditioned Space For Winter Design Temperatures Two - Stage High Efficiency Furnace Winter Design Unit Input Size Vent Pipe Temperatures1 °F Diameter (°C) 32 to 21 2 in (0 to -6) 2-1/2 in 3 in...
  • Page 26 ‡ Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor. Lennox recommends avoiding this location if possible. Figure 31...
  • Page 27 ‡ Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor. Lennox recommends avoiding this location if possible. Figure 32 Page 27...
  • Page 28 Details of Intake and Exhaust Piping Terminations for any direction. When exhaust and intake piping must be run up an outside wall, the exhaust piping Direct Vent Installations must be terminated with pipe sized per table 8.The intake piping may be equipped with a 90° elbow NOTE - In Direct Vent installations, combustion air is taken turndown.

  • Page 29: Front View

    TABLE 8 FIELD-PROVIDED EXHAUST PIPE TERMINATION SIZE REDUCTION QUIRED TO ADAPT LARGER VENT PIPE EL296UHV Termination SIZE TO TERMINATION. MODEL Pipe Size OUTSIDE INTAKE WALL *045 and 070 1-1/2” (38MM) EXHAUST EXHAUST *090 2” (51MM) 2” (51MM) 2” (51MM) 12” (305mm) Min. INTAKE INTAKE CLAMP...
  • Page 30 FIELD FABRICATED WALL TERMINATION NOTE − FIELD−PROVIDED REDUCER MAY BE 2” (51mm) 3” (76mm) REQUIRED TO ADAPT LARGER VENT PIPE SIZE Vent Pipe Vent Pipe TO TERMINATION A− Minimum clearance above grade or average 12” (305 mm) 12” (305 mm) snow accumulation B−...
  • Page 31 4 - Distance between exhaust pipe terminations on Basement Floor multiple furnaces must meet local codes. Crawl Space and Extended Horizontal Venting Lennox provides kit 51W18 (USA) and kit 15Z70 (Cana- KIT 51W18 da) to install 2” or 3” PVC exhaust piping through the floor (USA) joists and into the the crawl space.
  • Page 32 Condensate Piping CONDENSATE TRAP AND PLUG LOCATIONS This unit is designed for either right- or left-side exit of (Unit shown in upflow position) condensate piping in upflow applications. In horizontal Trap applications, the condensate trap must extend below the (same on unit.
  • Page 33 (Unit shown in upflow position with remote trap) and line. Heating cable kit is available from Lennox in var- ious lengths; 6 ft. (1.8m) - kit no. 26K68; 24 ft. (7.3m) - kit FieldProvidedVent no.
  • Page 34 IMPORTANT Furnace with Evaporator Coil Using a Common Drain When combining the furnace and evaporator coil drains together, the A/C condensate drain outlet must Evaporator drain be vented to relieve pressure in order for the furnace line required pressure switch to operate properly. (Trap at coil is optional) Condensate Trap With Optional Overflow Switch (1”...
  • Page 35 TRAP / DRAIN ASSEMBLY USING 1/2” PVC OR 3/4” PVC Optional Condensate Drain Connection Adapter 3/4 inch slip X 3/4 inch mpt (not furnished) 90° Street Elbow 3/4 inch PVC (not furnished) Adapter 3/4 inch slip X 3/4 inch mpt (not furnished) Condensate Drain Connection In Unit 1 (25 mm) Min.

  • Page 36: Gas Piping

    6 - In some localities, codes may require installation of Gas Piping a manual main shut-off valve and union (furnished Gas supply piping should not allow more than 0.5”W.C. by installer) external to the unit. Union must be of drop in pressure between gas meter and unit. Supply gas the ground joint type.
  • Page 37 Upflow Application Upflow Application Left Side Piping Right Side Piping 1/2” NPT (Standard) (Alternate) 1/2” NPT MANUAL MAIN SHUT-OFF VALVE MANUAL MAIN SHUT-OFF VALVE GROUND GROUND JOINT JOINT UNION UNION DRIP LEG FIELD PROVIDED AND INSTALLED DRIP LEG NOTE - BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET Figure 55 Horizontal Applications Possible Gas Piping Configurations...
  • Page 38 TABLE 9 Gas Pipe Capacity - ft3/hr (m3/hr) Nominal Internal Length of Pipe - feet (m) Iron Pipe Diameter Size Inches inches (3.048) (6.096) (9,144) (12,192) (15.240) (18.288) (21.336) (24.384) (27.432) (30,480) (mm) (mm) .622 (12.7) (17.799) (4.87) (3.34) (2.69) (2.29) (2.03) (1.84)

  • Page 39: Electrical

    The power supply wiring must meet Class I restrictions. Electrical Protected by either a fuse or circuit breaker, select circuit protection and wire size according to unit nameplate. WARNING CAUTION Electrostatic discharge can affect electronic components. Take care Failure to use properly sized wiring and circuit breaker during unit installation and service to may result in property damage.

  • Page 40: Field Wiring For Both Communicating And Non

    WiFi® thermostat in the in- For optimal performance in non-communicating applica- staller setup mode. The factory default is based upon 400 tions, Lennox recommends use of a ComfortSense® 7000 CFM a ton. high quality electronic digital thermostat or any other with...
  • Page 41 ® icomfort Wi-Fi Thermostat with Furnace and ® icomfort Wi-Fi Thermostat with Furnace and Non-Communicating Outdoor Unit ® icomfort -ENABLED Outdoor Unit ® icomfort Wi-Fi Thermostat ® icomfort Wi-Fi Thermostat ® icomfort -Enabled Indoor Furnace ® icomfort -Enabled Indoor Furnace Non-Communicating Outdoor Air Conditioner ®...
  • Page 42 THERMOSTAT SENSES HUMIDITY & CONTROLS HUM CONTACTS TO CYCLE HUMIDIFIER BASED 120V CONNECTIONS “HUM” CONTACT IS QUIRED. CLOSED ANYTIME HUMIDITY DEMAND IS PRESENT TIONS. BUILT INTO ALL icomfort by Lennox OUTDOOR UNITS). 24V HUMIDIFIER CONNECTIONS ® icomfort ENABLED FURNACE sor (Required for...
  • Page 43 DIP Switch Settings and On-Board Links DIP Switch 1 On Board Links Must Be Cut To Select Thermostat Thermostat Wiring Connections System Options Heating Stages 1 Heat / 1 Cool FURNACE OUTDOOR T'STAT TERM. STRIP UNIT NOTE - Use DIP switch 2 to set second-stage heat ON delay.

  • Page 44: Wiring Connections

    DIP Switch Settings and On-Board Links DIP Switch 1 On Board Links Must Be Cut To Select Thermostat Thermostat Wiring Connections System Options Heating Stages 2 Heat / 2 Cool FURNACE OUTDOOR T'STAT TERM. STRIP UNIT CUT ON-BOARD LINK W915 2 STAGE COMPR 2 Heat / 2 Cool...
  • Page 45 DIP Switch Settings and On-Board Links DIP Switch 1 Wiring Connections Thermostat On Board Links Must Be Cut To Select Thermostat Heating System Options Stages Dual Fuel FURNACE HEAT PUMP T'STAT TERM. STRIP Single Stage Heat Pump CUT ON-BOARD LINK ComfortSense W951 67M41*...
  • Page 46 DIP Switch Settings and On-Board Links DIP Switch 1 Wiring Connections Thermostat On Board Links Must Be Cut To Select Thermostat Heating System Options Stages Dual Fuel FURNACE HEAT PUMP T'STAT TERM. STRIP Single Stage Heat Pump CUT ON-BOARD LINK ComfortSense W951 67M41*...
  • Page 47 EL296UHV Schematic Wiring Diagram Figure 60 Page 47...

  • Page 48: Integrated Control

    Integrated Control HS/ CAI LINE 1 NEUTRAL 7 SEGMENT LED FLAME SENSE INDOOR BLOWER DIAGNOSTIC CONNECTOR PUSH BUTTON DIP SWITCHES 12 PIN LOW OUTDOOR AIR VOLTAGE SENSOR CONNECTOR TERMINALS DISCHARGE AIR W915 Y1 TO Y2 SENSOR 2 STAGE COMPR TERMINALS W951 R TO O HEAT PUMP TB83...

  • Page 49: Conventional Thermostat (Non-Communicating)

    TABLE 11 Integrated Control DIP Switch Settings - Blower Off Delay Switch Settings Conventional Thermostat (non-communicating) Blower Off Delay EL296UHV units are equipped with a two-stage, variable Switch 3 Switch 4 Seconds speed integrated control. This control manages ignition timing, heating mode fan off delays and indoor blower speeds based on selections made using the control dip 90 (factory) switches and jumpers.
  • Page 50 NOTE - The off portion of the selected ramp profile also Ramping Option D applies during heat pump operation in dual fuel applica- • Motor runs at 100% until demand is satisfied. tions. • Once demand is met, motor ramps down to stop. TABLE 14 Cooling Mode Blower Speed Ramping Ramping...

  • Page 51: Blower Data

    Blower Data EL296UH045XV36B BLOWER PERFORMANCE (less filter) BOTTOM RETURN AIR 0 through 0.8 in. w.g. (Heating) and 0 through 1.0 in. w.g. (Cooling) External Static Pressure Range HEATING Heating Speed DIP Switch First Stage Heating Speed - cfm Second Stage Heating Speed - cfm...
  • Page 52 Continuous Fan Only speed is selectable at 28%, 38%, 70% and 100% of the selected second stage cooling speed - minimum 380 cfm. Lennox iHarmony Zoning System Applications - Minimum blower speed is 250 cfm for EL296UH090XV60C and 380 cfm for EL296UH110XV48C.
  • Page 53 Continuous Fan Only speed is selectable at 28%, 38%, 70% and 100% of the selected second stage cooling speed - minimum 380 cfm. Lennox iHarmony Zoning System Applications - Minimum blower speed is 450 cfm. for EL296UH090XV60C and 380 cfm for EL296UH110XV48C ®...
  • Page 54 First stage COOL (two-stage air conditioning units only) is approximately 70% of the same second stage COOL speed position. Continuous Fan Only speed is selectable at 28%, 38%, 70% and 100% of the selected second stage cooling speed - minimum 450 cfm. Lennox iHarmony Zoning System Applications - Minimum blower speed is 450 cfm.

  • Page 55: On-Board Links

    W914 (R to DS) on SureLight® control With Heat Pump - Cut W914 (R to DS) & W951 (R to O) on SureLight® control Dave Lennox ComfortSense® 7000 thermostat to use for this application - Y2081 4 heat / 2 cool *Dehumidification blower speed is 70% of COOL speed for all units .
  • Page 56 With Heat Pump - Cut W914 (R to DS) & W951 (R to O) on SureLight® control Dave Lennox ComfortSense® 7000 thermostat to use for this application - Y2081 4 heat / 2 cool *Normal operation first stage cooling blower speed is 70% COOL speed.

  • Page 57: Unit Start Up

    WARNING Unit Start Up FOR YOUR SAFETY READ BEFORE OPERATING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal WARNING injury or death. Do not use this furnace if any part has been underwater. Gas Valve Operation (Figure 62) A flood-damaged furnace is extremely dangerous.

  • Page 58: Gas Pressure Adjustment

    1 - When thermostat calls for heat, combustion air NOTE - Pressure test adapter kit (10L34) is available from inducer starts. Lennox to facilitate manifold pressure measurement. 2 - Combustion air pressure switch proves blower A manifold pressure post located on the gas valve pro- operation.

  • Page 59: Proper Cumbustion

    Proper Cumbustion High Altitude Furnace should operate minimum 15 minutes with correct NOTE - In Canada, certification for installations at eleva- manifold pressure and gas flow rate before checking com- tions over 4500 feet (1372 m) is the jurisdiction of local bustion.

  • Page 60: Combustion Air For Non-Direct Vent Applications

    If a EL296UHV furnace replaces a Category I furnace Repair Parts which was commonly vented with another gas appliance, The following repair parts are available through Lennox the size of the existing vent pipe for that gas appliance dealers. When ordering parts, include the complete fur- must be checked.

  • Page 61: Other Unit Adjustments

    Applications Using a Two-Stage Thermostat Other Unit Adjustments See Figure 63 for ignition control sequence NOTE - See troubleshooting flow charts if any safety A - Heating Sequence -- Integrated Control Thermostat switches are found to be open. Selection DIP Switch 1 OFF in “Two-Stage” Position Primary Limit.
  • Page 62 Applications Using A Single-Stage Thermostat 4 - After the 20-second warm-up period has ended, the gas valve is energized on low fire (first stage) See Figure 64 for ignition control sequence and ignition occurs. At the same time, the control B - Heating Sequence -- Integrated Control Thermostat module sends a signal to begin an indoor blower Selection DIP Switch 1 ON in “Single-Stage”...

  • Page 63: Service

    14 - Verify operation of CO detectors and replace At the beginning of each heating season, and to comply batteries as required. with the Lennox Limited Warranty, your system should Perform a general system test. Turn on the furnace to be checked as follows:...
  • Page 64 Winterizing and Condensate Trap Care 8 - Use the soft brush attachment on a vacuum cleaner to gently clean the face of the burners. Visually 1 - Turn off power to the furnace. inspect the inside of the burners and crossovers for 2 - Have a shallow pan ready to empty condensate any blockage caused by foreign matter.

  • Page 65: Program Unit Capacity/Size Mode

    Program Unit Capacity/Size Mode Power-Up - Number displayed represents by integrated control unit size code (furnace model − − and capacity). If three horizontal bars are displayed followed by continuous E203, furnace − control does not recognize unit size code. Configure per the following: Furnace control in IDLE mode No heating, cooling or indoor fan operation)

  • Page 66: Requirements For Commonwealth Of Massachusetts

    Requirements for Commonwealth of Massachusetts Modifications to NFPA-54, Chapter 10 4 - INSPECTION. The state or local gas inspector of the side wall, horizontally vented, gas-fueled Revise NFPA-54 section 10.8.3 to add the following equipment shall not approve the installation unless, requirements: upon inspection, the inspector observes carbon For all side wall, horizontally vented, gas-fueled equip-...
  • Page 67 ADDENDUM FOR THE PROVINCE OF SASKATCHEWAN See below for venting in the province of Saskatchewan. Lennox approves the following termination for use in Saskatchewan Canada. 12”...

This manual is also suitable for:

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