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Page 41

(Unit shown in upflow position with remote trap)

*5’ max.

To Drain

PVCPipeOnly

FieldProvidedVent

Min. 1” AboveCondensate

DrainConnection

1” Min.

Trap Can Be Installed a

Maximum 5’ From Furnace

2” Max.

CONDENSATE TRAP LOCATIONS

*Piping from furnace must slope down a

minimum 1/4” per ft. toward trap

FIGURE 43

Furnace With Evaporator

Coil Using A Separate Drain

Condensate

DrainConnection

Field Provided Vent

(1” min. 2” max. above

condensate connection)

Evaporator drain

line required

(Trap at coil is optional)

FIGURE 44

HorizontalFurnace4” Min. to 5” Max.above

condensatedrain connection)

FurnaceCondensate

DrainConnection

From Evaporator Coil

Optional

Condensate Trap With Optional Overflow Switch

FIGURE 45

Содержание 5625717

Страница 1: ...for proper sizing Units are factory equipped for use with natural gas Kits are available for conversion to LPG operation EL296UHE model units are equipped with the SureLight two stage integrated contr...

Страница 2: ...ust be field provided 1 Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations Isolated combustion system rating for non weatherized furnaces SPECIFI...

Страница 3: ...Rack Kit Horizontal end 87L96 87L97 87L98 Size of filter in 18 x 25 x 1 20 x 25 x 1 25 x 25 x 1 Side Return Single 44J22 44J22 44J22 Ten Pack 66K63 66K63 66K63 Size of filter in 16 x 25 x 1 16 x 25 x...

Страница 4: ...315 1305 250 1190 200 965 105 920 100 0 10 1360 325 1270 255 1180 205 915 115 865 100 0 20 1310 335 1250 265 1130 215 880 120 815 110 0 30 1275 340 1205 275 1100 225 835 125 775 115 0 40 1250 355 117...

Страница 5: ...375 1100 285 0 80 1930 790 1635 575 1445 460 1300 395 1050 305 1890 790 1610 575 1425 460 1285 390 1055 295 EL296UH135XE60D PERFORMANCE Less Filter External Static Pressure in w g Air Volume Watts at...

Страница 6: ...at Exchanger Combustion Air Inducer Pressure Switch Assembly Primary Limit Constant Torque Indoor Blower Motor Two Stage Integrated Control Outer Access Panel Inner Access Panel Bag Assemblies shippin...

Страница 7: ...simply replace entire control Can cause injury or death Unsafe operation will result if repair is attempted 4 Integrated Control A92 Units are equipped with the SureLight two stage inte grated contro...

Страница 8: ...he DIP switch to ON for use with a single stage thermostat While in the single stage thermostat mode the burners will always fire on first stage heat The combustion air in ducer will operate on low sp...

Страница 9: ...OOL SIGNAL Y2 THERMOSTAT 2ND STAGE COOL SIGNAL O THERMOSTAT SIGNAL TO HEAT PUMP REVERSING VALVE L NOT USED DH NOT USED HUM UNPOWERED NORMALLY OPEN DRY CONTACTS LI 120 VAC INPUT TO CONTROL ACC 120 VAC...

Страница 10: ...1 2 3 4 5 6 ON SureLight W1W2 G Y2 Y1 C C DH L O DS R W1 W2 G Y2 Y1 C C R L DH 7 PROTECTIVE PLASTIC FILM ON DIP SWITCHES MAY BE REMOVED FOR EASE IN SETTING OF DIP SW CUT ON BOARD LINK SOLDER TRACE COM...

Страница 11: ...m May require installation of larger VA transformer to be installed in furnace air handler Clears after fault recovered E117 Poor ground detected Warning only Provide proper grounding for unit Check f...

Страница 12: ...riction Resumes normal operation after fault is cleared E225 High pressure switch failed open Check pressure inches w c of high pressure switch closing on heat call Measure operating pressure inches w...

Страница 13: ...rating pressure inches w c Inspect vent and combustion air inducer for correct operation and restriction Clears when heat call finishes successfully E273 Soft lockout Exceeded maximum number of recycl...

Страница 14: ...onds The blower off delay affects comfort and is adjustable to satisfy individual applications Adjust the blower off de lay to achieve a supply air temperature between 90 and 110 F at the exact moment...

Страница 15: ...roubleshooting the Motor Troubleshooting the motor is an easy process Follow steps below 1 Shut off power to unit 2 Remove input plugs P48 and P49 from motor See figure 8 for troubleshooting procedure...

Страница 16: ...ed tap used for continuous fan 1 2 3 4 or 5 on input plug P49 If 24 volts is not present problem may be up stream of plug P49 Proceed to test 4 Multi Meter set to VAC 12 0 12 0 24 Multi Meter set to V...

Страница 17: ...ximately the same resistance within an ohm 3 Check to see if the blower wheel spins freely Motor Test FIGURE 11 TABLE 8 Scale Measurement range inwords ohms 2 M two megohm two million ohms 0 2 000 000...

Страница 18: ...Rollout Switches S47 Flame rollout switch is a high temperature limit located on top of the burner box one on each side See figure 14 The limit is a N C SPST manual reset limit When S47 senses rollou...

Страница 19: ...Page 19 HEATING COMPONENTS Intake Air Top Cap Sensor Rollout Switch Rollout Switch Burner Assembly Ignitor Manifold And Gas Orifices Two Stage Gas Valve Burner Box Cover FIGURE 14...

Страница 20: ...g Reading should be between 39 and 70 ohms If the reading is correct then the problem is with the wiring between the jack plug and the control If reading is not correct the issue is the ignitor Test 3...

Страница 21: ...equipped with a dual combus tion air pressure switch first and second stage located on the CEHB The switch is connected to the cold end header box by means of flexible silicone hoses It monitors nega...

Страница 22: ...nt Cement D3188 CANADA PIPE FITTING SOLVENT CEMENT MARKING PVC CPVC Pipe and Fittings ULCS636 PVC CPVC Solvent Cement ABS to PVC or CPVC Transition Cement POLYPROPYLENE VENTING SYSTEM PolyPro by Durav...

Страница 23: ...ccelerator required when used with 045 070 and 090 input models 1 1 2 in pipe must transition to 2 in pipe when used with the flushmount kit 4 Termination kits 30G28 44W92 44W93 and 81J20 are certifie...

Страница 24: ...ol lowing test while each appliance is operating and the oth er appliances which are not operating remain connected to the common venting system If the venting system has been installed improperly you...

Страница 25: ...ction minimum maximum vent lengths termination clearances etc apply and must be followed Follow the instructions provided with PoyPro by DuraVent and Inno Flue by Centrotherm venting system for assemb...

Страница 26: ...15 ft or 5 ft plus 2 elbows or 10 ft plus 1 elbow Any approved termination may be added to the minimum length list ed Two 45 degree elbows are equivalent to one 90 degree elbow Piping Size Process 1 2...

Страница 27: ...98 98 94 6 56 41 19 90 90 68 33 113 112 93 93 89 7 51 36 14 85 85 63 28 108 107 88 88 84 8 46 31 n a 80 80 58 23 103 102 83 83 79 9 41 26 75 75 53 18 98 97 78 78 74 10 36 21 70 70 48 13 93 92 73 73 69...

Страница 28: ...53 38 22 85 85 69 34 101 101 94 94 85 6 48 33 17 80 80 64 29 96 96 89 89 80 7 43 28 12 75 75 59 24 91 91 84 84 75 8 38 23 n a 70 70 54 19 86 86 79 79 70 9 33 18 65 65 49 14 81 81 74 74 65 10 28 13 60...

Страница 29: ...8 113 112 93 93 89 3 10 n a 61 46 24 4 90 90 68 33 108 107 88 88 84 4 n a 56 41 19 n a 85 85 63 28 103 102 83 83 79 5 51 36 14 80 80 58 23 98 97 78 78 74 6 46 31 9 75 75 53 18 93 92 73 73 69 7 41 26 4...

Страница 30: ...r pipe in horizontal runs of exhaust pipe Exhaust 6 Min FIGURE 21 SIDE VIEW 2 2 2 or TYPICAL EXHAUST AND INTAKE PIPE CONNECTIONS IN HORIZONTAL DIRECT OR NON DIRECT VENT APPLICATIONS RIGHT HAND DISCHAR...

Страница 31: ...NNECTIONS HORIZONTAL NON DIRECT VENT APPLICATIONS Horizontal Right Hand Air Discharge Application Shown INTAKE DEBRIS SCREEN Provided OR NOTE Debris screen may be positioned straight out preferred or...

Страница 32: ...from outdoors and the flue gases are discharged to the out doors The EL296UHE is then classified as a direct vent Category IV gas furnace In both Non Direct Vent and Direct Vent applications the vent...

Страница 33: ...12 10 19 16 18 15 n a n a 2 1 2 in 1 n a 7 n a 13 n a 12 n a n a n a 3 in 1 1 2 2 8 8 7 7 13 13 1Refer to 99 Minimum Design Temperature table provided in the current edition of the ASHRAE Fundamentals...

Страница 34: ...public property Clearance under veranda porch deck or balcony 12 Equal to or greater than soffit depth 3 feet 9m 12 3 feet 9m within a height 15 feet 4 5m above the meter regulator assembly 3 feet 9m...

Страница 35: ...anda porch deck or balcony 12 7 feet 2 1m 3 feet 9m within a height 15 feet 4 5m above the meter regulator assembly 3 feet 9m 6 inches 152mm for appliances 10 000 pliances 10 000 Btuh 3kw and 50 000 p...

Страница 36: ...tion requirement of intake and exhaust pipe DOES NOT apply 3 On roof terminations the intake piping should terminate straight down using two 90 elbows See figure 30 4 Exhaust piping must terminate str...

Страница 37: ...OVIDED REDUCER MAY BE REQUIRED TO ADAPT DIFFERENT VENT PIPE SIZE TO TERMINATION INTAKE Accelerator not required for 3 concentric 12 305mm FIGURE 34 12 305mm Min above grade or average snow ac cumulati...

Страница 38: ...2 305 mm Min 16 405 mm Max 6 152 mm Max 6 152 mm Min 24 610 mm Max 9 227 mm Min 12 305 mm Min 20 508 mm Max 6 152 mm Max Intake Elbow WALL SUPPORT B A D E B D E A ALTERNATE TERMINATIONS TEE FORTY FIVE...

Страница 39: ...ance between exhaust pipe terminations on multiple furnaces must meet local codes Crawl Space and Extended Horizontal Venting Lennox provides kit 51W18 USA and kit 15Z70 Cana da to install 2 or 3 PVC...

Страница 40: ...44 and 46 show the furnace and evaporator coil using a separate drain If necessary the condensate line from the furnace and evaporator coil can drain together See figures 45 47 and 48 Upflow furnace f...

Страница 41: ...st slope down a minimum 1 4 per ft toward trap FIGURE 43 Furnace With Evaporator Coil Using A Separate Drain Condensate DrainConnection Field Provided Vent 1 min 2 max above condensate connection Evap...

Страница 42: ...in connection Condensate DrainConnection Evaporator drain line required Trap at coil is optional FIGURE 47 IMPORTANT When combining the furnace and evaporator coil drains together the A C condensate d...

Страница 43: ...ction In Unit Condensate Drain Connection In Unit Vent To Drain Condensate Drain Connection In Unit Optional Condensate Drain Connection OptionalDrainPipingFromTrap DrainTrapAssembly Furnished DrainTr...

Страница 44: ...rimed with sufficient water to ensure proper condensate drain operation WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury o...

Страница 45: ...ngly recommended It is available through Lennox under part number 31B2001 See Corp 8411 L10 for further details Do not use matches candles flame or any other source of ignition to check for gas leaks...

Страница 46: ...160 200 400 070 55 110 136 272 090 41 82 102 204 110 33 66 82 164 135 27 54 68 136 Natural 1000 btu cu ft LP 2500 btu cu ft G Proper Combustion Furnace should operate minimum 15 minutes with correct...

Страница 47: ...6 3 3 1 5 3 2 1 5 3 1 1 7 3 5 4 5 13 0 LP Propane 4 5 10 0 4 2 9 4 4 0 9 1 3 9 8 9 4 5 10 0 11 0 13 0 NOTE A natural to L P propane gas changeover kit is necessary to convert this unit Refer to the ch...

Страница 48: ...es a poor or partial ground Compare the readings to the table below If the readings exceed the maximum shown in table 26 make repairs before operating the furnace 2 In addition measure the AC voltage...

Страница 49: ...ature _ _____ Temperature Rise ________ SUPPLY AIR Temperatures RETURN AIR FIGURE 54 C External Static Pressure 1 1 Tap locations shown in figure 55 2 Punch a 1 4 diameter hole in supply and return ai...

Страница 50: ...summer resulting in an increase in the number of service calls Before using any filter with this system check the specifications provided by the filter manufacturer against the data given in the appro...

Страница 51: ...he front cabinet flange at the blower deck Spread cabinet sides slightly to allow clearance for removal of heat exchanger 21 Remove screws along vestibule sides and bottom which secure vestibule panel...

Страница 52: ...witches 6 Disconnect combustion air intake pipe It may be necessary to cut the existing pipe to remove burner box assembly 7 Remove four screws which secure burner box assembly to vest panel Remove bu...

Страница 53: ...Page 53 VII Wiring and Sequence of Operation...

Страница 54: ...s energized on low fire first stage and ignition occurs At the same time the control module sends a signal to begin an indoor blower 30 second ON delay When the delay ends the indoor blower motor is e...

Страница 55: ...rgized on the low fire heating speed and the HUM contacts are energized The integrated control also initiates a second stage on delay factory set at 7 minutes adjustable to 12 minutes 5 If the heating...

Страница 56: ...utes ON DO NOT CUT ANY ON BOARD LINKS S1 T STAT FURNACE TERM STRIP OUTDOOR UNIT 1 Heat 2 Cool NOTE Use DIP switch 2 to set second stage heat ON delay OFF 7 minutes ON 12 minutes ON CUT ON BOARD LINK W...

Страница 57: ...MPR S1 T STAT FURNACE TERM STRIP OUTDOOR UNIT 2 Heat 2 Cool with t stat with humidity control OFF CUT ON BOARD LINK W915 2 STAGE COMPR CUT ON BOARD LINK W914 DEHUM OR HARMONY S1 T STAT FURNACE TERM ST...

Страница 58: ...K W951 HEAT PUMP T STAT FURNACE TERM STRIP HEAT PUMP 67M41 Y H L Y2 D B L Y2 T T outdoor sensor Dual Fuel Two Stage Heat Pump ComfortSense thermostat w bilities Capable of 2 stage gas heat control OFF...

Страница 59: ...14 DEHUM OR HARMONY T STAT FURNACE TERM STRIP HEAT PUMP 67M41 Y H L Y2 D B L Y2 T T outdoor sensor Dual Fuel Two Stage Heat Pump ComfortSense thermostat w bilities Capable of 2 stage gas heat midifica...

Страница 60: ...F ON FOR 3 SEC MINIMUM NO YES FIRST LOW STAGE PRESSURE SWITCH CONTACTS OPEN NO GAS VALVE OFF COMBUSTION AIR INDUCER OFF INDOOR BLOWER OFF CONTROL REMAINS UNTIL PRESSURE SWITCH IS DETECTED OPEN STATUS...

Страница 61: ...19 microamps GAS VALVE OFF COMBUSTION AIR INDUCER ON INDOOR BLOWER OFF STATUS LED HEARTBEAT HAS CONTROL FAILED TO SENSE FLAME FOR FIVE CONSECUTIVE TRIES DURING A SINGLE HEAT DEMAND YES THERMOSTAT CALL...

Страница 62: ...ED GAS VALVE OFF COMBUSTION AIR INDUCER OFF FOLLOWING POST PURGE INDOOR BLOWER OFF WITH DELAY STATUS LED PULSE YES SECOND STAGE HEAT DEMAND SECOND STAGE HEAT DEMAND REQUIRED NO SECOND STAGE PRESSURE S...

Страница 63: ...YES YES FIRST AND SECOND STAGE HEAT DEMAND SATISFIED SIMULTANEOUSLY STATUS LED HEARTBEAT YES GAS VALVE OFF COMBUSTION AIR INDUCER OFF AFTER 5 SECOND LOW SPEED POST PURGE PERIOD INDOOR BLOWER OFF DELA...

Страница 64: ...GROUND YES NO INDOOR BLOWER ENERGIZED ON FIRST STAGE COOL SPEED AFTER 2 SECOND DELAY FIRST STAGE DEMAND FOR COOL SATISFIED NO THERMOSTAT CALLS FOR SECOND STAGE COOL COMPRESSOR AND CONDENSER FAN DE ENE...

Страница 65: ...E HEAT DEMAND SATISFIED YES NO THERMOSTAT CALLS FOR SECOND STAGE HEAT YES INDOOR BLOWER SWITCHES TO HIGH HEAT SPEED AFTER 30 SECOND RECOGNITION PERIOD SECOND STAGE HEAT DEMAND SATISFIED YES YES INDOOR...

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