Lennox EL296UH070XV36B - Installation Manual

Table of Contents:

• Page 2 – SUPPLY AIR; FRONT VIEW; Flue Condensate Trap Assembly; Model
• Page 3 – DIRECT VENT INSTALLATION; Check equipment for shipping damage. If you find any; CAUTION; As with any mechanical equipment, contact with sharp; DANGER; There are circumstances in which odorant used with LP/
• Page 4 – Furnace must be adjusted to obtain a temperature
• Page 5 – Insufficient combustion air can cause headaches,
• Page 6 – Do not install the furnace in a corrosive or contaminated; Unconfined Space; EQUIPMENT IN CONFINED SPACE - ALL AIR FROM INSIDE; Figure 4
• Page 7 – Air from Outside; tion, the confined space shall be provided with two perma; EQUIPMENT IN CONFINED SPACE - ALL AIR FROM OUTSIDE; Figure 5; EQUIPMENT IN CONFINED SPACE; Figure 6; EQUIPMENT IN CONFINED SPACE; Figure 7; tion, the confined space must have two permanent open
• Page 8 – of the total input rating of all equipment in the enclosure.; Figure 8; EQUIPMENT IN CONFINED SPACE -; NOTE-Each air duct opening shall have a free area of at least one; Figure 9; flexible legs and one rigid leg. The rigid leg is equipped; RIGID LEG; Installation - Setting Equipment; furnace. Doing so will adversely affect the operation of; WARNING; Upflow Applications; in the upflow position. Refer to Figure 12 for clearances.
• Page 9 – SETTING EQUIPMENT; UPFLOW APPLICATION; SIDE VIEW
• Page 10 – personal injury or death. Combustion and flue products; Installation Clearances; Return Air Guidelines; side of the furnace installed in an upflow application. If the; Side Return Air; Return
• Page 11 – Removing the Bottom Panel; Screw; Removing the Bottom Pane; Remove the two screws that secure the bottom cap to the; Horizontal Applications; Front
• Page 12 – Top; Suspended Installation of Horizontal Unit; floor joists, as shown in Figure 18, or install the furnace; HORIZONTAL SUSPENSION KIT; Bracket; Platform Installation of Horizontal Unit; finished space, install an an auxiliary drain pan
• Page 13 – RAISED; Filters; IMPORTANT; frequently during the winter and the indoor coil to freeze; TABLE 1; This furnace is not certified for operation in heat; Supply Air Plenum; NOTE - Return air must not be drawn from a room
• Page 14 – Solvent cements for plastic pipe are flammable liquids; PVC fittings in the unit.
• Page 15 – Joint Cementing Procedure; Fumes from PVC glue may ignite during system check.
• Page 16 – Venting Practices; * See Piping and Fittings Specifications table; Piping Suspension Guidelines; NOTE - Isolate piping at the point where it exits the outside wall or; Wall; Wall Thickness Guidelines
• Page 17 – Vent Piping Guidlines; In Non-Direct Vent installations, combustion air is; Horizontal Installation Offset Requirements; Exhaust Pipe; TABLE 4; 5 ft. or 5 ft plus 2 elbows or; Two 45 degree elbows are the equivalent to one 90 degree elbow.
• Page 18 – Piping Size Process; Do not use screens or perforated metal in exhaust or
• Page 19 – TABLE 5; Maximum Allowable Intake or Exhaust Vent Length in Feet; Standard Termination at Elevation 0 - 4500 ft; Elbows; See concentric terminations next page.
• Page 20 – TABLE 5 Continued; Both Intake and Exhaust must be same pipe size.; Concentric Termination at Elevation 0 - 4500 ft
• Page 21 – Attic or Crawl Space For Intake Air in Feet; total vent length calculation
• Page 22 – EXHAUST AND INTAKE; or; Exhaust; EXHAUST AND INTAKE; PIPE CONNECTIONS IN HORIZONTAL DIRECT OR
• Page 23 – outdoors and flue gases are discharged outdoors.; UPFLOW NON−DIRECT; TYPICAL AIR INTAKE PIPE CONNECTIONS; HORIZONTAL NON−DIRECT VENT APPLICATIONS; from indoors or ventilated attic or crawlspace and flue; to the flooring or a platform. Ensure that the intake
• Page 24 – General Guidelines for Vent Terminations; from indoors or ventilated attic or crawlspace and the flue
• Page 25 – PP; PP; PVC; PP; PVC; PP; PVC; PP
• Page 28 – DIRECT VENT ROOF TERMINATION KIT; Exiting Exhaust and Intake Vent; Inlet Air
• Page 29 – TABLE 8; EXHAUST PIPE TERMINATION SIZE REDUCTION; MODEL; - A multiple furnace installation may use a group; FLUSH-MOUNT SIDE WALL TERMINATION KIT; DIRECT VENT CONCENTRIC WALL TERMINATION; Front View; optional intake elbow; DIRECT VENT APPLICATION
• Page 31 – in TABLE 8.The specified pipe size ensures proper; NON-DIRECT VENT ROOF TERMINATION KIT; size must be done after the final elbow.; Crawl Space and Extended Horizontal Venting; da) to install 2” or 3” PVC exhaust piping through the floor; NON-DIRECT VENT APPLICATION; Venting In A Crawl Space; Basement Floor
• Page 32 – CONDENSATE TRAP AND PLUG LOCATIONS; NOTE - In upflow applications where side return; Field Provided Drain Components; Do not use copper tubing or existing copper condensate
• Page 33 – (Unit shown in upflow position with remote trap); To Drain; CONDENSATE TRAP LOCATIONS; PVC Pipe Only
• Page 34 – When combining the furnace and evaporator coil; Condensate Trap With Optional Overflow Switch; Evaporator drain; Furnace with Evaporator Coil Using a Common Drain; (Unit shown in horizontal left−hand discharge position)
• Page 36 – Gas Piping; If a flexible gas connector is required or allowed by the; be resistant to the actions of liquified petroleum gases.; Leak Check; an open flame to test for gas leaks. Check all connections
• Page 38 – TABLE 9
• Page 39 – Electrical; ELECTROSTATIC; Electrostatic discharge can affect; result in a fire, causing property damage, severe injury; INTERIOR MAKE-UP BOX INSTALLATION; BOX; Refer to Figure 60 for unit schematic and field wiring. See; Unit nameplate states maximum current draw.
• Page 40 – Thermostat Selection; Field wiring for both communicating and non-; Indoor Blower Speeds; Communicating; Generator Use - Voltage Requirements
• Page 42 – Optional Accessories for use with any Communicating System
• Page 44 – DIP Switch Settings and Field Wiring; DIP Switch Settings and On-Board Links; switch 2 to set
• Page 48 – EL296 Schematic Diagram
• Page 49 – EL296 Units With Blower Drive
• Page 50 – Integrated Control; /4” QUICK CONNECT TERMINALS
• Page 51 – Seconds
• Page 52 – Cooling Mode Blower Speed Ramping; OFF; Ramping Option B; Ramping Option C; Motor runs at 100% until demand is satisfied.; Motor runs at 100% until demand is satisfied.; OFF; Heating Mode Blower Speeds; that will result from different switch settings.; Continuous Blower Speed
• Page 53 – Blower Data; HEATING
• Page 54 – COOLING
• Page 57 – Carefully review all configuration information provided.; OPERATING SEQUENCE; NO CALL FOR DEHUMIDIFICATION
• Page 59 – BEFORE LIGHTING; GAS VALVE SHOWN IN ON POSITION; WHITE RODGERS GAS VALVE; When unit is initially started, steps 1 through; Turning Off Gas to Unit
• Page 60 – To obtain accurate reading, shut off all other gas; Supply Pressure Measurement; Pressure test adapter kit (10L34) is available from
• Page 61 – Proper Cumbustion; manifold pressure and gas flow rate before checking com; Mode; The maximum carbon monoxide reading should not exceed 100ppm.; High Altitude; In Canada, certification for installations at eleva; for the conversion procedure.; Orifice Kit
• Page 62 – Repair Parts
• Page 64 – HEATING OPERATION WITH TWO-STAGE THERMOSTAT; HEATING OPERATION WITH SINGLE STAGE THERMOSTAT
• Page 65 – Service; Annual Furnace Maintenance
• Page 66 – Winterizing and Condensate Trap Care; Turn off power to the furnace.; Cleaning The Burner Assembly; Turn off electrical and gas power supplies to furnace.
• Page 67 – Program Unit Capacity/Size Mode; FINISHED
• Page 68 – Requirements for Commonwealth of Massachusetts; back-up may be installed on the next adjacent floor level.; EXEMPTIONS: The following equipment is exempt
• Page 69 – ADDENDUM FOR ALL PROVINCES OF CANADA; NOTE −
• Page 71 – Line Voltage; UNIT SET UP; Flter
• Page 72 – UNIT OPERATION