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Lennox EL180UHE SERIES, Руководство по установке

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Page 25

Integrated Control

RED LED 

Flash Code

Diagnostic Codes / Status of Furnace

Off

No power to control or board fault detected

On

Board fault detected,

Heartbeat

1

Control powered - displayed during all modes of operation if no errors are detected

1

Reverse Line Voltage Polarity

2

Improper Earth Ground

3

Burner failed to light, or lost flame during heat demand

4

Low Flame Signal - check flame sensor

5

Watchguard - burner failed to light, exceeded maximum number of retries or 

recycles.

6

Not Used

7

Primary or Secondary Limit Open or Watchguard Mode - Limit Switch Open longer 

than 3 minutes

8

Rollout Switch Open

9

Pressure Switch failed to close or opened during heat demand

10

Watchguard - Pressure Switch opened 5 times during one heat demand

11

Pressure Switch stuck closed prior to activation of combustion air inducer

12

Flame Sensed without gas valve energized

13

Low Line Voltage

Note - 1

Notes

Note

A ”Heartbeat” is indicated by a ”Slow Flash” - 1 sec on 1 sec off, repeating

Note

Last 10 error codes are stored in memory including when power is shut off to the 

unit. - To recall, pressand release button, most recent will be displayed first, LED 

off for 3 sec, then next error code is displayed, etc. To clear error codes, depress 

and hold button longer than 5 seconds.

INTEGRATED CONTROL

(Automatic Hot Surface Ignition System)

BLOWER OFF DELAY

RED LED RECALL BUTTON

Figure 30 

TABLE 7

1/4” QUICK CONNECT TERMINALS

120HUM

Humidifier 120VAC

LINE

120VAC

XFMR

Transformer 120VAC

CIRC

Indoor blower 120VAC

EAC

Indoor air qualityaccessory 

120VAC

NEUTRAL

Common 120VAC

HUM24

Humidifier 24VAC

3/16” QUICK CONNECT TERMINALS

COOL

Cooling tap 24VAC

HEAT

Heating tap 24VAC

FAN

Continuous blower 24 VAC

PARK (no power)

Park terminal for speed taps

FLAME / FS

Flame Sense

24 COM

Common 24VAC

Содержание EL180UHE SERIES

Страница 1: ...t service agency or the gas supplier CAUTION As with any mechanical equipment contact with sharp sheet metal edges can result in personal injury Take care while handling this equipment and wear gloves...

Страница 2: ...49 14 356 9 16 14 3 76 Right 7 178 Left 2 FLUE OUTLET Either Side 3 OPTIONAL EXTERNAL SIDE RETURN AIR FILTER KIT Either Side 16 406 14 3 4 375 3 OPTIONAL EXTERNAL SIDE RETURN AIR FILTER KIT Either Si...

Страница 3: ...h local building codes In the absence of lo cal codes units must be installed according to the current National Fuel Gas Code ANSI Z223 1 The National Fuel Gas Code is available from the follow ing ad...

Страница 4: ...heater during any phase of construc tion Very low return air temperatures harmful vapors and operation of the unit with clogged or misplaced filters will damage the unit EL180UHE units may be used for...

Страница 5: ...rial is not the complete and official position of the ANSI on the referenced subject which is represented only by the standard in its entirety CAUTION Do not install the furnace in a corrosive or cont...

Страница 6: ...the two spac es Each opening must have a minimum free area of 1 square inch 645 mm2 per 1 000 Btu 29 kW per hour of total input rating of all gas fired equipment in the confined space Each opening mu...

Страница 7: ...hour of the total input rating of all equipment in the enclosure If the equipment room is located against an outside wall and the air openings ing shall have a free area of at least one square inch 6...

Страница 8: ...le mounting leg The bolt and washer must be removed before the furnace is placed into operation After the bolt and washer have been re moved the rigid leg will not touch the blower housing RIGID LEG r...

Страница 9: ...turn Air with transition and filter Figure 8 Figure 9 Optional Return Air Base Upflow Applications Only For use with A B C and D cabinets NOTE Optional Side Return Air Filter Kits are not for use with...

Страница 10: ...for clearances to combustible materials as indicated on the unit nameplate Minimum clearances for closet or alcove installations are shown in figure 11 This furnace may be installed in either an attic...

Страница 11: ...filter is being installed as part of this system to ensure better indoor air quality the filter must be properly sized Highefficiency filters have a higher static pressure drop than standardefficiency...

Страница 12: ...4 inch diameter flue transition is factory installed on the combustion air inducer outlet of all models Figure 15 shows the combustion air inducer as shipped from the fac tory Mounting Screws Location...

Страница 13: ...arbed fitting on the pressure switch assembly Remove pressure switch assembly 1 screw and cut wire tie to free pressure switch wires Re install pressure switch on the other side of orifice plate and r...

Страница 14: ...ing document Use self drilling sheet metal screws or a mechanical fas tener to firmly secure the vent pipe to the round collar of the flue transition If self drilling screws are used to attach the ven...

Страница 15: ...fan assisted furnace may be commonly vented into an existing lined masonry chimney if the following conditions are met The chimney is currently serving at least one drafthood equipped appliance The ve...

Страница 16: ...ing to approved engineering methods 5 Multiple appliance vents The flow area of the largest section of vertical vent or chimney shall not exceed 7 times the smallest listed appliance categorized vent...

Страница 17: ...equivalent insulation qualities 14 All venting pipe passing through floors walls and ceilings must be installed with the listed clearance to combustible materials and be fire stopped according to loca...

Страница 18: ...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 5...

Страница 19: ...23 47 36 86 51 136 67 206 3 24 50 37 92 52 146 69 220 15 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 2 57 34 105 48 167 64 25...

Страница 20: ...ection CAUTION If a flexible gas connector is required or allowed by the authority that has jurisdiction black iron pipe shall be installed at the gas valve and extend outside the furnace cabinet The...

Страница 21: ...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 1160 32 8...

Страница 22: ...e 27 Electrical WARNING ELECTROSTATIC DISCHARGE ESD Precautions and Procedures Electrostatic discharge can affect electronic components Take care during unit installation and service to protect the un...

Страница 23: ...operly grounded in accordance with national and local codes Accessory Terminals One line voltage EAC 1 4 spade terminal is provided on the furnace integrated control See figure 30 for integrated contr...

Страница 24: ...on or appro priate dual fuel thermostat instructions Indoor Blower Speeds 1 When the thermostat is set to FAN ON the indoor blower will run continuously on the fan speed when there is no cooling or he...

Страница 25: ...to activation of combustion air inducer 12 Flame Sensed without gas valve energized 13 Low Line Voltage Note 1 Notes Note A Heartbeat is indicated by a Slow Flash 1 sec on 1 sec off repeating Note Las...

Страница 26: ...l electrical power 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 upper access panel 6 Move...

Страница 27: ...ve temporary gas meter if 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...

Страница 28: ...ricifice Kit Natuarl Gas Orifice Kit 045 0 4500 ft 4501 7500 ft 7501 10 000 ft 7501 10 000 ft 0 7500 ft 7501 10 000 ft 0 7500 ft 070 No Change 80W52 80W51 73W37 11K49 73W81 73W81 110 80W52 80W51 090 8...

Страница 29: ...gas line pressure After one hour of continuous thermostat demand for heat the Watchguard will re set and remake thermostat demand to the furnace and automatically reset the integrat ed control to begi...

Страница 30: ...erating range Thermal Limits should be checked by restricting airflow and not disconnecting the indoor blower For additional details please see Service and Application Note H049 2 Verify that system t...

Страница 31: ...Page 31 EL180UHE BURNER ASSEMBLY REMOVAL Manifold And Gas Valve Retention Rings Cross Over Ignitor Sensor Rollout Switches Burner Detail Front View Figure 33...

Страница 32: ...service agency or gas supplier Cabinet Parts Upper access panel Blower panel Top cap Control Panel Parts Transformer Integrated control Door interlock switch Circuit breaker Blower Parts Blower wheel...

Страница 33: ...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...

Страница 34: ...___ 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...

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