Lennox EL180DFE Series, Installation Instructions Manual

Page 1: ...stallation 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...

Page 2: ...4 705 19 1 4 489 6 5 8 168 Right 7 1 8 181 Left 5 3 8 137 Right 2 3 16 56 Left 33 838 19 7 16 494 9 16 14 B Supply Air Supply Air 9 16 14 9 16 14 3 1 8 79 9 16 14 9 16 14 19 7 16 494 EL180DF Model No...

Page 3: ...nces Adequate clearance must be made around the air open ings into the vestibule area In order to ensure proper unit operation combustion and ventilation air supply must be provided according to the c...

Page 4: ...maintained during construction D Air filters must be replaced upon construction comple tion D The input rate and temperature rise must be set per the furnace rating plate D One hundred percent 100 out...

Page 5: ...cient air causes incomplete combustion which can result in carbon monoxide CAUTION Insufficient combustion air can cause headaches nausea dizziness or asphyxiation It will also cause excess water in t...

Page 6: ...re 2 Air from Outside If air from outside is brought in for combustion and ventila tion the confined space must have two permanent open ings One opening shall be within 12 inches 305 mm of the top of...

Page 7: ...e square inch 645 mm2 per 4 000 Btu 1 17 kW per hour of the total input rating of all equip ment in the enclosure CHIMNEY OR GAS VENT WATER HEATER OUTLET AIR VENTILATION LOUVERS Each end of attic INLE...

Page 8: ...the furnace and the floor The base must be or dered separately See table 2 for opening size to cut in floor CAUTION The furnace and downflow combustible flooring base shall not be installed directly o...

Page 9: ...adversely affect the operation of the safety con trol devices which could result in personal injury or death Install the EL180DFE gas furnace as shipped in the downflow position only Do not install t...

Page 10: ...alled in a space serviced by an exhaust fan power exhaust fan or other device which may create a negative pressure in the space take care when sizing the inlet air opening The in let air opening must...

Page 11: ...y other gas fueled appliance i e water heater or carbon monoxide producing device i e wood fireplace is installed When return air is drawn from a room a negative pressure is created in the room If a g...

Page 12: ...n a lined masonry chimney is used to vent this furnace A chimney with one or more sides exposed to the outside of the structure is considered to be an exterior chimney An exterior masonry chimney that...

Page 13: ...servicing a solid fuel appliance If a fireplace chimney flue is used to vent this appliance the fireplace opening must be permanently sealed A type B or listed chimney lining system that passes throug...

Page 14: ...constructed of listed double wall type B vent material or material having equivalent insulation qualities 14 All venting pipe passing through floors walls and ceil ings must be installed with the list...

Page 15: ...22 339 5 22 65 30 130 39 219 49 330 10 29 59 40 121 51 206 64 315 15 35 53 48 112 61 195 76 301 20 0 0 97 0 202 0 349 0 540 2 10 75 14 149 18 250 20 377 5 21 71 29 143 38 242 47 367 10 28 64 38 133 50...

Page 16: ...1 21 50 33 89 47 142 64 220 2 22 53 35 96 49 153 66 235 3 24 55 36 102 51 163 68 248 20 1 21 54 33 99 46 157 62 246 2 22 57 34 105 48 167 64 259 3 23 60 35 110 50 176 66 271 30 1 20 62 31 113 45 181...

Page 17: ...properly step 3 return all doors widows exhaust fans fireplace damp ers and any other gas burning appliances to their pre vious mode of operation 7 If a venting problem is found during any of the prec...

Page 18: ...0 32 56 985 27 89 873 24 72 791 22 39 728 20 61 677 19 17 635 17 98 600 17 00 2 50 8 2 067 52 502 4020 113 83 2760 78 15 2220 62 86 1900 53 80 1680 47 57 1520 43 04 1400 39 64 1300 36 81 1220 34 55 11...

Page 19: ...the wires together Secure the excess wire to the existing harness to protect it from damage INTERIOR MAKE UP BOX INSTALLATION Right Side FIGURE 19 MAKE UP BOX Cut the two wire ties to extend power wi...

Page 20: ...ground leg of the circuit connected to ground or the C terminal Generator Use Voltage Requirements The following requirements must be kept in mind when specifying a generator for use with this equipme...

Page 21: ...Page 21 FIGURE 20 EL180DFE Schematic Wiring Diagram...

Page 22: ...lame Sensed without gas valve energized 13 Low Line Voltage Notes Note 1 A Heartbeat is indicated by a Slow Flash 1 sec on 1 sec off repeating Note Error codes are indicated by a Rapid Flash the LED f...

Page 23: ...er to the unit 4 This furnace is equipped with an ignition device which automatically lights the burners Do not try to light the burners by hand 5 Remove the access panel 6 Move switch on gas valve to...

Page 24: ...f installed NOTE To obtain accurate reading shut off all other gas appliances connected to meter Supply Pressure Measurement A threaded plug on the inlet side of the gas valve provides access to the s...

Page 25: ...o adjustment Flame Rollout Switches These manually reset switches are located on the burner box Pressure Switch The pressure switch is located in the heating compartment adjacent to the combustion air...

Page 26: ...wer access panel 3 Disconnect existing speed tap at integrated control speed terminal NOTE Termination of any unused motor leads must be insulated 4 Place unused blower speed tap on integrated control...

Page 27: ...ss and to make sure there is no blockage 2 Check unit for proper draft Electrical 1 Check all wiring for loose connections 2 Check for the correct voltage at the furnace furnace operating Correct volt...

Page 28: ...by a licensed profes sional installer or equivalent service agency or gas supplier Cabinet Parts Heating access panel Blower access panel Top cap Control Panel Parts Transformer Integrated control Do...

Page 29: ...sted Supply Line Pressure W C ________ 1 VENT EXHAUST PIPE Secure to Unit Elbows Secured to Pipe Vent Pipe Supported 2 Roof Flashing water tight 3 DUCT SYSTEM SUPPLY AIR DUCT Sealed Insulated if neces...

Page 30: ...___ 5 COOLING MODE INDOOR BLOWER AMPS______ 3 TEMPERATURE DROP Return Duct Temperature _________ Supply Duct Temperature _ _______ 4 5 6 7 DRAIN LINE Leak Free THERMOSTAT Adjusted and Programmed Opera...