Lennox International Inc. 090V36C Bedienungsanleitung

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Richtige Gebrauchsanleitung

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Die Gebrauchsanleitung Lennox International Inc. 090V36C sollte vor allem folgendes enthalten:
- Informationen über technische Daten des Geräts Lennox International Inc. 090V36C
- Den Namen des Produzenten und das Produktionsjahr des Geräts Lennox International Inc. 090V36C
- Grundsätze der Bedienung, Regulierung und Wartung des Geräts Lennox International Inc. 090V36C
- Sicherheitszeichen und Zertifikate, die die Übereinstimmung mit entsprechenden Normen bestätigen

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Der Grund dafür ist die fehlende Zeit und die Sicherheit, was die bestimmten Funktionen der gekauften Geräte angeht. Leider ist das Anschließen und Starten von Lennox International Inc. 090V36C zu wenig. Eine Anleitung beinhaltet eine Reihe von Hinweisen bezüglich bestimmter Funktionen, Sicherheitsgrundsätze, Wartungsarten (sogar das, welche Mittel man benutzen sollte), eventueller Fehler von Lennox International Inc. 090V36C und Lösungsarten für Probleme, die während der Nutzung auftreten könnten. Immerhin kann man in der Gebrauchsanleitung die Kontaktnummer zum Service Lennox International Inc. finden, wenn die vorgeschlagenen Lösungen nicht wirksam sind. Aktuell erfreuen sich Anleitungen in Form von interessanten Animationen oder Videoanleitungen an Popularität, die den Nutzer besser ansprechen als eine Broschüre. Diese Art von Anleitung gibt garantiert, dass der Nutzer sich das ganze Video anschaut, ohne die spezifizierten und komplizierten technischen Beschreibungen von Lennox International Inc. 090V36C zu überspringen, wie es bei der Papierform passiert.

Warum sollte man Gebrauchsanleitungen lesen?

In der Gebrauchsanleitung finden wir vor allem die Antwort über den Bau sowie die Möglichkeiten des Geräts Lennox International Inc. 090V36C, über die Nutzung bestimmter Accessoires und eine Reihe von Informationen, die erlauben, jegliche Funktionen und Bequemlichkeiten zu nutzen.

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Inhaltsverzeichnis der Gebrauchsanleitungen

  • Seite 1

    Page 1 02/1 1 *2P0211* 50661 1−01 *P506611-01*  201 1 Lennox Industries Inc. Dallas, T exas, USA AIR FLOW DOWNFLOW W ARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, person- al injury or loss of life. Installation and service must be performed by a licensed professional installer (or equiv[...]

  • Seite 2

    Page 2 Unit Dimensions − inches (mm) AIR EXHAUST AIR OUTLET COMBUSTION AIR INT AKE FLOW 2 − 1/16 (52) 090V48C A B C D SLP98DF Model No. in. mm in. mm in. mm in. mm 070V36B 17 − 1/2 446 16 − 3/8 416 16 406 7 − 5/8 194 090V36C 21 533 19 − 7/8 505 19 − 1/2 495 9 − 3/8 238 090V60C 1 10V60C GAS PIPING INLET (Either Side) ELECTRICAL INLET[...]

  • Seite 3

    Page 3 Part s Arrangement FIGURE 1 BURNER BOX ASSEMBL Y GAS V AL VE ACCESS P ANEL COMBUSTION AIR INDUCER BLOWER ACCESS P ANEL BLOWER ASSEMBL Y (V ariable S peed Blower Motor Is Hidden) BAG ASSEMBL Y CONTROL BOX (includes variable capacity integrated control, transformer , circuit breaker and door switch) PRIMARY LIMIT[...]

  • Seite 4

    Page 4 SLP98DFV Gas Furnace The S LP98DFV category IV g as furnace is equipped with a variable−capacity , variable−s peed integrated control. This control ensures compatibility with the Lennox icom- fort T ouch  thermostat and Harmony III  zone contr ol system, as well as a thermost at whi ch provides humidity control. The furnace is equi[...]

  • Seite 5

    Page 5 Installed in Combination with a Cooling Coil When this furnace is used wi th cooling units, it shall be installed in parallel with, or on the upstream side of, cooling units to avoid condensation in the heating compartment. With a p arallel flow a r rangement, a d amper (or other m eans to control the flow o f air) must a dequately prevent c[...]

  • Seite 6

    Page 6 General W ARNING Product contains fiberglass wool. Disturbing the insulation in this product during inst allation, maintenance, or repair will expose you to fiberglass wool. Breathing this may cause lung cancer . (Fiberglass wool is known t o the St ate of Cal- ifornia to cause cancer .) Fiberglass wool may also cause respiratory , skin, and[...]

  • Seite 7

    Page 7 NOTE − The 1/2 hp blower motor used in some SLP98DFV unit is equipped with three flexible legs and one rigid leg. Th e rigid leg is equipped with a shipping bolt and a flat white plastic washer (rather than the rubber mounting grommet used with a flexible mounting leg). The bolt and washer mus t be removed before the furnace is placed into[...]

  • Seite 8

    Page 8 T ABLE 1 NON−COMBUSTIBLE FLOOR OPENING SIZE Cabinet Wid th Front to Rear Side to Side in . mm in. mm B Cabinet (17.5") 19 − 3/4 502 16 − 5/8 422 C Cabinet (21") 19 − 3/4 502 20−1/8 51 1 NOTE − Floor opening dimensions listed are 1/4 inch (6 mm) larger than the unit opening. See dimension drawing on page 2. FIGURE 8 SUPP[...]

  • Seite 9

    Page 9 FIGURE 10 COOLING COIL PLENUM PROPERL Y SIZED FLOOR OPENING SLP98DF UNIT Return Air Opening −− Downflow Unit s Return air may be brought in only through the top opening of a furnace installed in the downflow position. The follow- ing steps should be t aken when installing plenum: 1 − Bottom edge of plenum should be flanged with a hemme[...]

  • Seite 10

    Page 10 Pipe & Fittings Specifications All p ipe, fittings, primer a nd s olvent c ement m us t conform with A mer ican National S tandard Institute a nd the Ameri- can Soci ety f or T e sting and Ma terials (ANS I/ASTM ) s tan - dards. The solvent shall be free−flowing and contain no lumps, u ndissolved p articles or any foreign m atter that[...]

  • Seite 11

    Page 11 T ABLE 5 OUTDOOR TERMINA TION KITS USAGE SLP98DF UNIT VENT PIPE DIA. (in.) ST ANDARD CONCENTRIC Outdoor Exhaust Accelerator (Dia. X Length) Outdoor Exhaust Acceler ator (Dia. X Length) 2" Wall Plate Kit 3" W all Plate Kit 2" Wall Ring Kit Flush- Mount Kit 1−1/2" Concentric Kit 2" Concentric Kit 3" Concentric [...]

  • Seite 12

    Page 12 V enting Practices FIGURE 13 * See table 4 for allowable pipe. Piping Suspension Guidelines NOTE − Isolate piping at the point where it exits the out side wall or roof in order to prevent transmission of vibration to the structure. SCHEDULE 40 PVC −− Support every 5 feet. all other pipe* −− Support every 3 feet. W all inside outsi[...]

  • Seite 13

    Page 13 NOTE − The exhaust collar on all models is sized to ac - commodate 2" Schedule 40 vent pipe. Contact the Ap - plication Dep artment for more information concerning sizing o f v ent system s w hich inclu de multiple pipe s izes. NOTE − All horiz ontal runs of exhaust pipe must slope back toward unit. A minimum of 1/ 4" (6mm) dr[...]

  • Seite 14

    Page 14 T ABLE 7 Maximum Allowable Intake or Exhaust V ent Length in Feet *Siz e intake and exhaus t pipe length separately . Values in table are for Intake OR Ex haust, not com bined total. Both Intake an d Exhaus t must be same pipe size. St andard T ermination at Elevation 0 − 4500’ Number Of 90° Elbows Used 2" Pipe 2−1/2" Pipe [...]

  • Seite 15

    Page 15 T ABLE 7 Maximum Allowable Intake or Exhaust V ent Length in Feet *Siz e intake and exhaus t pipe length separately . Values in table are for Intake OR Ex haust, not com bined total. Both Intake an d Exhaus t must be same pipe size. Concentric T ermination at Elevation 0 − 4500’ Number Of 90° Elbows Used 2" Pipe 2−1/2" Pipe[...]

  • Seite 16

    Page 16 FIGURE 16 TYPICAL EXHAUST PIPE CONNECTIONS AND CONDENSA TE TRAP INST ALLA TION TRANSITION 2” 2” 2” 3” Use only the factory − supplied trap. Trap can be installed on either side of cabinet within 5 ft. of the furnace. TRAP TOP VIEW Exhaust Air Intake DO NOT transition from smaller to larger pipe size in horizontal runs of exhaust p[...]

  • Seite 17

    Page 17 FIGURE 18 VENT TERMINA TION CLEARANCES FOR DIRECT VENT INST ALLA TIONS IN THE USA AND CANADA K D E L B C F G A B J A M I H INSIDE CORNER DET AIL VENT TERMINAL AIR SUPPL Y INLET AREA WHERE TERMINAL IS NOT PERMITTED Fixed Closed Operable B Fixed Closed Operable B B A = B = C = D = E = F = G = H = I = J = K = L = M = US Installations 1 Canadia[...]

  • Seite 18

    Page 18 Det ails o f Int ake a nd Ex haust Piping T erminations f or Direct V ent Installations NOTE − In Direc t V ent i ns tallations, combustion a ir is tak- en from outdoors and flue ga ses are discharged to out - doors. NOTE − Flue gas may be slightly acidic and may adversely affect some building materials. If any vent termination is used [...]

  • Seite 19

    Page 19 C A E D B A B D D B C A C 12" 1 1 2 2 2" (51mm) V ent Pipe 3" (76mm) V ent Pipe A − Clearance above grade or average snow accumulation B −Horizontal separation between intake and exhaust C −Minimum from end of exhaust to inlet of intake D −Exhaust pipe length E −W all support distance from top of each pipe (intake/e[...]

  • Seite 20

    Page 20 FIGURE 22 FIELD−SUPPLIED W ALL TERMINA TION OR (15F74) W ALL RING TERMINA TION KIT With INT AKE ELBOW See venting table 7 for maximum venting lengths with this arrangement. * Use wall support every 24" (610 mm). Use two wall supports if extension is greater than 24" (610 mm) but less than 48" (1219 mm). NOTE − One wall su[...]

  • Seite 21

    Page 21 12" (305mm) Min. above grade or average snow accumulation. FIGURE 24 DIRECT VENT CONCENTRIC W ALL TERMINA TION 71M80, 69M29 or 60L46 (US) 44W92 or 44W93 (Canada) INT AKE AIR EXHAUST AIR INT AKE AIR INT AKE AIR EXHAUST AIR OUTSIDE WALL GRADE CLAMP (Not Furnished) FIELD−PROVIDED REDUCER MA Y BE RE- QUIRED TO ADAPT LARGER VENT PIPE SIZE[...]

  • Seite 22

    Page 22 FIGURE 30 12” (305 mm) Minimum Above Grade or Average Snow Accumulation 1/2” (13 mm) FOAM INSULA TION (Field − Furnished) 5” (127 mm) 5 − 1/2” (140 mm) EXHAUST AIR INT AKE AIR GRADE 12” (305 mm) INT AKE AIR EXHAUST AIR GRADE 12” (305 mm) max. for 2” (51 mm) dia. exhaust 20” (508 mm) max. for 3” (76 mm) dia. exhaust WAL[...]

  • Seite 23

    Page 23 Condensate Piping This unit is designed for either right- or lef t-side exit of con- densate piping. Refer to figure 3 2 for condensate trap loca- tions. NOTE − If necessary the condensate trap may be inst alled up to 5 feet away from the furnace. Piping from furnace must slope down a minimum of 1/4" per ft. toward trap. NOTE − Vin[...]

  • Seite 24

    Page 24 FIGURE 34 Adapter 1/2 inch slip X 1/2 inch mpt (Not Furnished) Drain T rap Assembly (Furnished) V ent Drain T rap Clean Out 5 Feet Maximum Coupling 1/2 inch slip X slip (Not Furnished) 90 ° Elbow 1/2 inch PVC (Not Furnished) 1/2 inch PVC Pipe (Not Furnished) 1/2 inch PVC Pipe (Not Furnished) 1 (25) Minimum Above T op of Condensate Drain Co[...]

  • Seite 25

    Page 25 CAUTION A sep arate drain line must be run to the drain from the condensate trap to ensure proper drainage and pressure switch operation. DO NOT connect the con- densate trap drain into the drain line from the evapo- rator coil. FIGURE 35 SL98DFV with Evaporator Coil Drain Condensate trap and evaporator coil must drain separately as shown. [...]

  • Seite 26

    Page 26 GROUND JOINT UNION AUTOMA TIC GAS V AL VE (with manual shut−off valve) FIELD PROVIDED AND INST ALLED GROUND JOINT UNION Left Side Piping (St andard) Right Side Piping (Alternate) AUTOMA TIC GAS V AL VE (with manual shut−off valve) DRIP LEG DRIP LEG MANUAL MAIN SHUT−OFF VA LV E (1/8 in. NPT plugged tap shown) MANUAL MAIN SHUT−OFF VA [...]

  • Seite 27

    Page 27 1 − Seal any unused openings in the common venting sys- tem. 2 − Ins pect the venting system f or p roper si z e and h or izontal pitch. Determine that there is no blockage, restriction, leakage, corros ion, or other defic iencies whic h could cause an unsafe condition. 3 − Close all building doors and windows and all doors be- tween [...]

  • Seite 28

    Page 28 1 − The power supply wiring must meet Class I restric- tions. Protected by either a fuse or circuit breaker , se- lect circuit protection and wire size according to unit nameplate. NOTE − Unit nameplate states maximum current draw . See table for maximum over−current protection. T ABLE 1 1 SLP98DF Model Maximum Over−Current Protecti[...]

  • Seite 29

    Page 29 1 − When the thermostat is set to F AN ON," the indoor blower will run continuously at a percent a g e of the sec- ond−stage cooling speed when there is no cooling or heating demand. The percentage is set using DIP switches 6 and 7. 2 − When the SLP98DFV is running in the heating mode, the integrated control will automatically[...]

  • Seite 30

    Page 30 FIGURE 41 icomfort T ouch  Thermostat with SLP98DFV and Non−Communicating Outdoor Unit icomfort  − ENABLED SLP98DFV FURNACE icomfort T ouch  THERMOST A T NON−COMMUNICA TING OUTDOOR AIR CONDITIONING UNIT − 1 OR 2 ST AGE icomfort T ouch  Thermostat icomfort  −Enabled SLP98DFV Indoor Furnace Non−Communicating Outdoor[...]

  • Seite 31

    Page 31 FIGURE 42 Optional Accessories for use with any icomfort T ouch  System NOTE: 24V UV LIGHT APPLICA TIONS Furnace transformer will not have ad- equate va to power 24v UV light ap- plications. An additional transformer for UV light applications is required. icomfort T ouch  THERMOST A T DISCHARGE AIR SENSOR NOTE: icomfort  THERMOST A[...]

  • Seite 32

    Page 32 T ABLE 14 Field Wiring Connections for Non−Communicating Thermost at Applications Thermost at DIP Switch Settings and On−Board Links (figure 44) Wiring Connections DIP Switch 1 W915 (Y1 to Y2) T wo−Stage Cooling W914 (DS to R) Dehumidifi- cation or Harmony III  W951 (O to R) Heat Pumps 1Heat / 1 Cool NOT E − Use DIP switch 3 to s[...]

  • Seite 33

    Page 33 T ABLE 14 Field Wiring for Non−Communicating Applications (Continued) Thermost at DIP Switch Settings and On−Board Links (figure 44) Wiring Connections DIP Switch 1 W915 (Y1 to Y2) T wo−Stage Cooling W914 (DS to R) Dehumidifi- cation or Harmony III  W951 (O to R) Heat Pumps 2 Heat / 2 Cool OFF Cut Intact Intact S1 T’STAT CONTROL [...]

  • Seite 34

    Page 34 T ABLE 14 Field Wiring for Non−Communicating Applications (Continued) Thermost at DIP Switch Settings and On−Board Links (figure 44) Wiring Connections DIP Switch W915 (Y1 to Y2) T wo−Stage Cooling W914 (DS to R) Dehumidifi- cation or Harmony III  W951 (O to R) Heat Pumps Dual Fuel Single−S tage Heat Pump ComfortSense ® 7000 L77[...]

  • Seite 35

    Page 35 FIGURE 43 TYPICAL SLP98DFV WIRING DIAGRAM[...]

  • Seite 36

    Page 36 Integrated Control INTEGRA TED CONTROL THERMOST A T CONNECTIONS (TB1) 1/4" QUICK CONNECT TERMINALS FIGURE 44 RS−BUS LINK (TB82, future use) I+ = DA T A HIGH CONNECTION I − = DA T A LOW CONNECTION RS−BUS OUTDOOR (TB83) R = 24V AC I + = DA T A HIGH CONNECTION I − = DA T A LOW CONNECTION C = 24V AXC COMMON RS−BUS INDOOR (TB84) R[...]

  • Seite 37

    Page 37 T ABLE 15 Non−Communicating Thermostat Selection Switch Settings Operation Thermost at Switch 1 Switch 2 Switch 3 V ariable Capacity Heat (35% to 100%) T wo−S tage Off On Off Three−S tage Heat (35%, 70%, 100%) Single−S tage On Off 2nd stage delay OFF = 7 minutes ON = 12 minutes 3rd stage delay 10 minutes fixed T wo−S tage Heat (W1[...]

  • Seite 38

    Page 38 Switches 8 and 9 −− Cooling Mode Blower Speed −− The unit i s shipped from the factory with the DIP switches posi- tioned for high speed (4) indoor blower motor operation during the cooling mode. The table below provides the cooling mode blower speeds that will result from dif ferent switch settings. Refer to tables beginning on pag[...]

  • Seite 39

    Page 39 Switches 1 4 th r ough 19 −− Heating Mode Blower S peed −− These switches are factory set at the OFF position which provides 100 % of normal speed during HIGH HEA T de- mand, 70% of normal speed during MID−RANGE HEA T deman d and 35% of normal speed during LOW HEA T de- mand. Switches 14, 15 and 16 are used to adjust the LOW HEA T[...]

  • Seite 40

    Page 40 BLOWER DA T A SLP98DF070V36B BLOWER PERFORMANCE (less lter) HEA TING BLOWER PERFORMANCE Heating Adjust CFM Selections Heating Input Range and Blower V olume - CFM 35% 40% 50% 60% 70% 80% 90% 100% Increase (+15%) Heat CFM 495 543 639 735 830 926 1022 111 8 Increase (+7.5%) Heat CFM 473 516 604 691 778 866 953 1041 Default Heat CFM 450 489[...]

  • Seite 41

    Page 41 BLOWER DA T A SLP98DF090V48C BLOWER PERFORMANCE (less lter) HEA TING BLOWER PERFORMANCE Heating Adjust CFM Selections Heating Input Range and Blower V olume - CFM 35% 40% 50% 60% 70% 80% 90% 100% Increase (+15%) Heat CFM 723 790 925 1060 1 195 1329 1464 1599 Increase (+7.5%) Heat CFM 690 752 878 1004 1 129 1255 1381 1507 Default Heat CFM[...]

  • Seite 42

    Page 42 BLOWER DA T A SLP98DF1 10V60C BLOWER PERFORMANCE (less lter) HEA TING BLOWER PERFORMANCE Heating Adjust CFM Selections Heating Input Range and Blower V olume - CFM 35% 40% 50% 60% 70% 80% 90% 100% Increase (+15%) Heat CFM 8 11 906 1096 1286 1475 1665 1855 2045 Increase (+7.5%) Heat CFM 744 835 1017 1 199 1380 1562 1744 1926 Default Heat [...]

  • Seite 43

    Page 43 T ABLE 24 COOLING OPERA TING SEQUENCE SLP98DFV and Single−St age Outdoor Unit OPERA TING SEQUENCE SYSTEM DEMAND SYSTEM RESPONSE System Condition S tep Demand Relative Humidity Compressor Blower CFM (COOL) Comments 1st stage O G S tatus D* NO CALL FOR DEHUMIDIFICA TION Normal Operation 1 On On On Accept able 24 VA C High 100% Compressor an[...]

  • Seite 44

    Page 44 T ABLE 25 COOLING OPERA TING SEQUENCE SLP98DFV and T wo−Stage Out door Unit OPERA TING SEQUENCE SYSTEM DEMAND SYSTEM RESPONSE System Condition S tep Demand Relative Humidity Compressor Blower CFM (COOL) Comments 1st stage 2nd stage O G S tatus D* NO CALL FOR DEHUMIDIFICA TION Normal Operation − Y1 1 On On On Acceptable 24 VA C Low 70% C[...]

  • Seite 45

    Page 45 Unit S t art−Up FOR YOUR SAFETY READ BEFORE OPERA TING W ARNING Do not use this furnace if any part has been under- water . A flood−damaged fu rnace is extremely dan- gerous. Attempt s to use the furnace can result in fire or explosion. Immedi ately call a qualified ser- vice t echnician to i nspect the f urnace a n d t o replace all g [...]

  • Seite 46

    Page 46 9 − Replace the access panel. 10− Turn on all electrical power to to the unit. 1 1− Set the thermostat to desired setting. NOTE − When unit is initially started, steps 1 through 1 1 may need to be repeated to purge air from gas line. 12− I f the appliance will not operate, follow the instructions T urning Off Gas to Unit" [...]

  • Seite 47

    Page 47 Proper Combustion Furnace should operate minimum 15 minutes with correct manifold pressure and gas flow rate before checking com- bustion. T ake combustion sample beyond the flue outlet and comp are to the tables below . The maximum carbon monoxide reading should not exceed 50 ppm. T ABLE 28 High Fire SLP98DFV Unit CO 2 % For Nat CO 2 % For[...]

  • Seite 48

    Page 48 T emperature Rise Af te r the furnace has been started and supply and return air temperatures have been allowed to st abilize, check the temperature rise with the unit operating at 100 percent fir- ing rate. If necessary , adjust the blower speed to maintain the temperature rise within the range shown on the unit nameplate. Increase the blo[...]

  • Seite 49

    Page 49 closed contact s and pressure switches for normally open cont acts. The combustion air inducer is ener- gized at ignition speed, which is approximately the same as the inducer speed at 70 percent firing rate. 2 − Once the control receives a signal that the low−fire pressure switch has closed, the combustion air induc- er begins a 15−s[...]

  • Seite 50

    Page 50 Service W ARNING ELECTRICAL SHOCK, FIRE, OR EXPLOSION HAZARD. Failure t o follow safety warnings exactly could result in dangerous operation, serious injury , death or property damage. Improper servicing could result in dangerous opera- tion, serious injury , death, or property damage. Before servicing, disconnect all electrical power to fu[...]

  • Seite 51

    Page 51 19 − Thoroughly rinse and drain the heat exchanger . Soap solutions can be corrosive. T ake care to rinse entire assembly . 20 − Reinstall heat exchanger into cabinet making sure that the clamshells of the heat exchanger assembly are resting on the support located at the rear of the cabi- net. Remove the indoor blower to view this area [...]

  • Seite 52

    Page 52 Planned Service A service technician should check the following items dur- in g an annual inspection. Power to the unit must be shut off for the service technician’s safety . Burners − Must be inspected for rust, dirt, or s igns of water . V e nt pipe − Must be inspected for signs of water , cracked, damaged or sagging pipe, or discon[...]

  • Seite 53

    Page 53 Integrated Control Diagnostic Codes Press the diagnostic push button and hold it to cycle through a menu of options. Every five seconds a new menu item will be dis played. Release the button when the desired mode is displayed. When a solid "P" is displayed, the furnace capacity/ size is programmed. When the solid E" is dis[...]

  • Seite 54

    Page 54 Integrated Control Diagnostic Codes (continued) Code Diagnostic Codes/Status of Equipment Action Required to Clear and Recover E 223 Low pressure switch failed open − Refer to troubleshooting in installation instruction. Check inches of water column pressure during operation of low pressure switch on heat call, measure inches of water col[...]

  • Seite 55

    Page 55 Integrated Control Diagnostic Codes (continued) Code Diagnostic Codes/Status of Equipment Action Required to Clear and Recover E 295 Indoor blower motor temperature is too high. Indoor blower motor over temperature (motor tripped on internal protector), Check motor bear- ings, amperes. Replace if necessary . E 310 Discharge error sensor fai[...]

  • Seite 56

    Page 56 Configuring Unit Size Code Power−Up − Number displayed represent s by integrated control unit size code (furnace model and capacity). If three horizont al 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 ind[...]

  • Seite 57

    Page 57 T roubleshooting: Heating Sequence of Operation IGNITION AND CALL FOR LOW FIRE WITH TWO−ST AGE THERMOST A T Call For 2nd St age Heat Call For Heat Satisfied Limit Switch Closed? Limit Closes Within 3 Minutes? NO Soft Lockout: Error Code Flashes flashes YES Rollout Circuit Closed? Low Pressure Switch Open? Low Pressure Switch Closed Within[...]

  • Seite 58

    Page 58 T roubleshooting: Heating Sequence of Operation (Continued) CALL FOR HIGH FIRE WITH TWO−ST AGE THERMOST A T 1st Call for High Fire? W ait for Call for Heat Satisfied 2 S tage Thermostat 2nd S tage Recognition Delay (30 Seconds) YES High Pressure Switch Closes Within 10 Seconds? NO Error Code Flashes NO YES Wait 5 Minutes 3A 2 1 2 1 System[...]

  • Seite 59

    Page 59 T roubleshooting: Heating Sequence of Operation (Continued) CALL FOR HEA T SA TISFIED 1st S tage Heat 2nd S tage Heat 2nd S tage Call for Heat satisfied? NO 1st S tage Call for Heat satisfied? Gas valve De−Energized YES NO 1 4 3A 3B YES OR Combustion Air Inducer switched to 70% rate speed Adjust Indoor Blower to appropiate speed Combustio[...]

  • Seite 60

    Page 60 T roubleshooting: Heating Sequence of Operation (Continued) IGNITION AND CALL FOR HEA T WI TH SINGLE−ST AGE THERMOST A T Call For Heat Satisfied Limit Switch Closed? Limit Closes Within 3 Minutes? NO Soft Lockout: Error Code Flashes flashes YES Rollout Circuit Closed? Low Pressure Switch Open? Low Pressure Switch Closed Within 150 Seconds[...]

  • Seite 61

    Page 61 T roubleshooting: Cooling Sequence of Operation CALL FOR COOLING 1st S tage Cooling Request Received Energize 1st S tage Cooling Contactor (Compressor & Fan) 2nd S tage Cooling Request? YES 2nd S tage Cooling Request S till Active? De−Energize 1st S tage Cooling Contactor (Compressor & Fan) YES 1st S tage Cooling Request S till Ac[...]

  • Seite 62

    Page 62 T roubleshooting: Continuous Fan Sequence of Operation CONTINUOUS LOW SPEED INDOOR BLOWER SEQUENCE OF OPERA TION (S peed Determined by Dip Switch settings) De−Energize Ramping Profile NO Request for Heat Received? Request for Cooling Received? NO YES Call for Fan Removed? YES NO YES Go to Call for Cooling 6 1 4 5 1 Call for Continuous Blo[...]

  • Seite 63

    Page 63 Rep air Parts List The following repair parts are available through Lennox dealers. When ordering parts, include the complete furnace model number listed on the nameplate −− Example: SLP98DF070V36B. All service must be performed by a licensed profes- sional installer (or equivalent), service agency , or gas supplier . Cabinet Parts Oute[...]

  • Seite 64

    Page 64 Requirement s for Commonwealth of Massachusetts Modifications to NFP A−54, Chapter 10 Revise N FP A− 54 section 10.8.3 to add the following re- quirement s: Fo r all side wall, horizontally vented, gas−fueled equipment installed in every dwelling, building or structure used in whole or in p art for residential purposes, including thos[...]