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Page 35

TABLE 12

Field Wiring Connections for Non-Communicating Thermostat Applications (Continued)

Thermostat

DIP Switch Settings and On-Board Links (figure 47)

Wiring Connections

DIP Switch 1

W915

(Y1 to Y2)

Two-Stage

Cooling

W914

(DS to R)

cation or

Harmony

III

W951

(O to R)

Heat Pumps

2 Heat / 2 Cool

OFF

Cut

Intact

T'STAT

CONTROL

TERM. STRIP

OUTDOOR

UNIT

2 Heat / 2 Cool

with t'stat with

tion mode

OFF

Cut

Intact

T'STAT

CONTROL

TERM. STRIP

OUTDOOR

UNIT

2 Heat / 1 Cool

OFF

Intact

T'STAT

CONTROL

TERM. STRIP

OUTDOOR

UNIT

* “R” required on some units.

Содержание SLP98UHV SERIES

Страница 1: ...e 7500 thermostat may be used as well as other non communicating thermostats In all cases setup is critical to ensure proper system operation Field wiring for both communicating and non communicating...

Страница 2: ...Either Side 16 406 14 3 4 375 2 OPTIONAL SIDE RETURN AIR FILTER KIT Either Side 5 8 16 1 3 1 4 83 23 3 4 603 25 635 D 1 1 2 38 Front Panel COMBUSTION AIR INTAKE 2 51 Either Side 1 7 8 48 CONDENSATE TR...

Страница 3: ...cludes variable capacity integrated control transformer circuit breaker and door switch VARIABLE SPEED BLOWER MOTOR BAG ASSEMBLIES shipping location COLD END HEADER BOX PRESSURE SWITCHES VARIABLE SPEE...

Страница 4: ...ll LP applications Safety Information WARNING Improper installation adjustment alteration service or maintenance can cause property damage personal injury or loss of life Installation and service must...

Страница 5: ...n to 55 F 13 C dry bulb for cases where a night setback thermostat is used Return air temperature must not exceed 85 F 29 C dry bulb In Canada all electrical wiring and grounding for the unit must be...

Страница 6: ...space keep insulation away from the furnace When the furnace is installed in an unconditioned space consider provisions required to prevent freezing of condensate drain system Please consult the manuf...

Страница 7: ...r Filter 1 1 2 FIGURE 6 SLP98UHV applications which include side return air and a condensate trap installed on the same side of the cabinet trap can be installed remotely within 5 feet require either...

Страница 8: ...e rigid leg The 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 See figure 9 The bolt and washer mu...

Страница 9: ...plications The SLP98UHV furnace can be installed in horizontal applications with either right or left hand air discharge Refer to figure 11 for clearances in horizontal applications Horizontal Applica...

Страница 10: ...KE PIPE EXHAUST PIPE FIGURE 13 Return Air Horizontal Applications Return air must be brought in through the end of a fur nace installed in the horizontal position The furnace is equipped with a remova...

Страница 11: ...eal If a filter is installed size the return air duct to fit the filter frame Pipe Fittings Specifications All pipe fittings primer and solvent cement must conform with American National Standard Inst...

Страница 12: ...exhaust accelerator 2Concentric kits 71M80 and 44W92 include 1 1 2 outdoor accelerator when used with 045 and 070 input models 3 Flush mount kits 51W11 and 51W12 includes 1 1 2 in outdoor exhaust acc...

Страница 13: ...P98UHV furnace may be installed only in direct vent applications The SLP98UHV is designed for combustion air intake through an inlet in the unit s top cap Intake air piping is independent of exhaust p...

Страница 14: ...there are no sags or low spots 12 ma x of straight pip e Exhaust Pipe 12 Min Horizontal Gas Furnace FIGURE 16 NOTE The exhaust collar on all models is sized to ac commodate 2 Schedule 40 vent pipe In...

Страница 15: ...070 090 110 135 1 66 44 N A N A 115 68 N A N A 137 118 93 89 2 61 39 110 63 132 113 88 84 3 56 34 105 58 127 108 83 79 4 51 29 100 53 122 103 78 74 5 46 24 95 48 117 96 73 69 6 41 19 90 43 112 93 68 6...

Страница 16: ...2 2 Exhaust Intake Exhaust Intake 2 2 2 2 2 or FIGURE 18 TRANSITION SIDE VIEW 2 2 2 2 or TYPICAL EXHAUST AND INTAKE PIPE CONNECTIONS IN HORIZONTAL AIR APPLICATIONS RIGHT HAND DISCHARGE SHOWN 3 2 45 M...

Страница 17: ...randa 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...

Страница 18: ...aust outlet not be located within 6 feet 1 8m of an outdoor AC unit because the condensate can damage the painted coating NOTE See table 6 for maximum allowed exhaust pipe length without insulation in...

Страница 19: ...emperature table provided in the current edition of the ASHRAE Fundamentals Handbook 2 Poly Propylene vent pipe PP by Duravent and Centrotherm NOTE Concentric terminations are the equivalent of 5 and...

Страница 20: ...ation 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 22 4 Exhaust piping must terminate st...

Страница 21: ...AL STRAP Clamp and sheet metal strap must be field installed to support the weight of the termination kit FLASHING Not Furnished CLAMP FIELD PROVIDED REDUCER MAY BE REQUIRED TO ADAPT LARGER VENT PIPE...

Страница 22: ...12 305 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 FI...

Страница 23: ...er box Use Teflon tape or appropriate pipe dope NOTE Cold end header box drain plugs are factory installed Check the unused plug for tightness to prevent leakage 3 Install the cap over the clean out o...

Страница 24: ...condensate trap and line Heating cable kit is available from Lennox in various lengths 6 ft 1 8m kit no 26K68 and 24 ft 7 3m kit no 26K69 Unit shown in upflow position with remote trap 5 max T o Drain...

Страница 25: ...densate drain outlet must be vented to relieve pressure in order for the furnace pressure switch to operate properly Furnace with Evaporator Coil Using a Common Drain 1 min to 2 Max above condensatedr...

Страница 26: ...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 27: ...feet 2 44 to 3 05m using suitable hangers or straps Install a drip leg in vertical pipe runs to serve as a trap for sediment or condensate 5 A 1 8 N P T plugged tap or pressure post is located on the...

Страница 28: ...ON PIPE ONLY TO BE ROUTED INSIDE OF CABINET FIGURE 41 GROUND JOINT UNION DRIP LEG MANUAL MAIN SHUT OFF VALVE GROUND JOINT UNION DRIP LEG MANUAL MAIN SHUT OFF VALVE GROUND JOINT UNION DRIP LEG MANUAL M...

Страница 29: ...he main burner has operated for 5 minutes test for leaks of flue gases at the draft hood relief opening Use the flame of a match or candle 6 After determining that each appliance connected to the comm...

Страница 30: ...le 12 shows DIP switch and on board link settings for non communicating thermostat applications Typical wiring schematic is shown in figure 46 1 The power supply wiring must meet Class I restrictions...

Страница 31: ...rate capacity mode using a two stage thermostat The SL P98UHV will automatically adjust firing rate based upon thermostat cycle times The icomfort Wi Fi thermostat must be used in commu nicating appli...

Страница 32: ...TAT icomfort ENABLED OUTDOOR AIR CONDITIONING OR HEAT PUMP UNIT OPTIONAL OUTDOOR AIR SENSOR OPTIONAL DISCHARGE AIR SENSOR CLIP Y1 TO Y2 FOR TWO STAGE OPERATION Indoor Unit Controller Outdoor Unit icom...

Страница 33: ...DY IN THE SYSTEM FOR OTHER FUNCTIONS BUILT INTO ALL icomfort OUTDOOR UNITS icomfort ENABLED SLP98UHV FURNACE HEPA BYPASS FILTER X2680 HEPA INTERLOCK KIT PASS INDOOR BLOWER MOTOR COMMON WIRE THROUGH CU...

Страница 34: ...set second stage heat ON delay OFF 7 minutes ON 12 minutes ON Intact Intact Intact S1 T STAT CONTROL TERM STRIP OUTDOOR UNIT 1 Heat 2 Cool NOTE Use DIP switch 3 to set second stage heat ON delay OFF 7...

Страница 35: ...itch 1 W915 Y1 to Y2 Two Stage Cooling W914 DS to R cation or Harmony III W951 O to R Heat Pumps 2 Heat 2 Cool OFF Cut Intact Intact S1 T STAT CONTROL TERM STRIP OUTDOOR UNIT 2 Heat 2 Cool with t stat...

Страница 36: ...2 stage gas heat control DIP Switch 1 OFF Intact Intact Cut L7742U T STAT CONTROL TERM STRIP HEAT PUMP 67M41 Y H L Y2 D B L Y2 T T outdoor sensor Dual Fuel Two Stage Heat Pump ComfortSense 7000 L7742U...

Страница 37: ...Page 37 TYPICAL SLP98UHV WIRING DIAGRAM FIGURE 46...

Страница 38: ...IDIFICATION SIGNAL W2 HEAT DEMAND FROM 2ND STAGE T STAT W1 HEAT DEMAND FROM 1ST STAGE T STAT R CLASS 2 VOLTAGE TO THERMOSTAT G MANUAL FAN FROM T STAT C THERMOSTAT SIGNAL GROUND CONNECTED TO TRANSFORME...

Страница 39: ...he unit is varied to maximize comfort Conventional two stage mode is the factory default set ting See table 13 Switch 3 Second Stage Heat On Delay If a single stage thermostat is used the integrated c...

Страница 40: ...mping Blower speed ramping may be used to enhance dehu midification performance The switches are factory set at option A which has the greatest effect on blower motor performance Table 18 provides the...

Страница 41: ...ill operate in second stage cooling only Diagnostic LED Figure 47 The seven segment diagnostic LED displays operating status target airflow error codes and other information The table beginning on Pag...

Страница 42: ...1038 1123 1209 Default Heat CFM 621 660 737 814 891 968 1045 1122 Decrease 7 5 Heat CFM 581 616 687 757 828 899 970 1041 Decrease 15 Heat CFM 540 572 637 701 766 830 895 959 COOLING BLOWER PERFORMANCE...

Страница 43: ...85 1241 1397 1553 Default Heat CFM 497 571 718 865 1012 1159 1306 1453 Decrease 7 5 Heat CFM 439 507 644 781 917 1054 1191 1328 Decrease 15 Heat CFM 380 443 570 697 823 950 1076 1203 COOLING BLOWER PE...

Страница 44: ...69 1426 1582 1738 1895 Default Heat CFM 808 881 1026 1172 1317 1463 1608 1754 Decrease 7 5 Heat CFM 748 817 956 1095 1235 1374 1513 1652 Decrease 15 Heat CFM 687 753 886 1019 1152 1284 1417 1550 COOLI...

Страница 45: ...on a call for de humidification Dehumidification call 2 On On On Demand 0 VAC High 70 PRECISION MODE operates independent of a Y1 demand Normal Operation 1 On On On Acceptable 24 VAC High 100 Dehumidi...

Страница 46: ...High 70 Thermostat will keep outdoor unit energized after cooling temperature setpoint has been reached in order to maintain room humidity setpoint ROOM THERMOSTAT CALLS FOR FIRST AND SECOND STAGE CO...

Страница 47: ...er to stop At this point the trap should be primed with sufficient water to ensure proper condensate drain operation BEFORE PLACING THE UNIT INTO OPERATION smell all around the furnace area for gas Be...

Страница 48: ...Pressure Measurement A threaded plug on the inlet side of the gas valve provides access to the supply pressure tap Remove the thread ed plug install a field provided barbed fitting and connect a mano...

Страница 49: ...Installed Gas Valve MANIFOLD PRESSURE MEASUREMENT Figure 49 Negative Port Positive Port Gas Valve Measuring Device Field Installed Operating Signal Delta P Measurement Black Tubing Red and Black Tubi...

Страница 50: ...070 4 7 7 2 5 7 8 2 090 110 135 High Altitude Information NOTE In Canada certification for installations at eleva tions over 4500 feet 1372 m is the jurisdiction of local authorities SLP98UHV units re...

Страница 51: ...e there is no blockage 2 Are pressure switches closed Obstructed exhaust pipe will cause unit to shut off at pressure switches Check termination for blockages 3 Reset manual flame rollout switches on...

Страница 52: ...the thermostat has a first stage heating demand 5 If second stage heat is required the thermostat second stage heat contacts close and send a signal to the integrated control The integrated control ei...

Страница 53: ...be primed with water Inspect the rubber hoses connected to the pressure switches for cracks or loose connections replace as necessary Remove the rubber hoses from the cold end header box and inspect...

Страница 54: ...onnect the 2 pin plug from the gas valve 3 Remove the burner box cover 4 Disconnect the gas supply line from the gas valve Remove gas valve manifold assembly 5 Mark and disconnect sensor wire from the...

Страница 55: ...ce agency or gas supplier Cabinet Parts Outer access panel Blower access panel Top cap Control Panel Parts Transformer Integrated control Door interlock switch Circuit breaker Blower Parts Blower whee...

Страница 56: ...horizontal bars will display Steps to follow if the damper control module is displaying the soft disable code Confirm proper wiring between all devices thermostat damper control module indoor and out...

Страница 57: ...water column pressure of high pressure switch on heat call measure inches of water column of operating pressure inspect vent and combustion air inducer for correct operation and restriction E226 High...

Страница 58: ...filter and ductwork To clear replace filter if needed or repair add ductwork E312 Restricted air flow in cooling or continuous fan mode is lower than cfm setting Restricted airflow Indoor blower is r...

Страница 59: ...symbol is displayed on the 7 segment LED Release button This mode allows the user to select a unit size code number that matches the furnace model size and capacity Solid P starts blinking on 7 Segmen...

Страница 60: ...rial Wait For Ignition Stabilization Delay Post Purge 20Seconds Soft Lockout Error Code Flashes YES NO NO YES Call For Heat Ends NO YES YES NO C A L L F O R 1 S T S T A G E H E A T 3A 2 1 1 OR Call Fo...

Страница 61: ...Closes Within 10 Seconds NO Error Code Flashes NO YES Wait 5 Minutes 3A 2 1 2 1 System will always light at 70 even if 2nd stage call for heat is in place If the high pressure switch does not close w...

Страница 62: ...Closes Within 10 Seconds NO Error Code Flashes NO YES Wait 5 Minutes 3A 2 1 2 1 System will always light at 70 even if 2nd stage call for heat is in place If the high pressure switch does not close w...

Страница 63: ...20 Seconds Soft Lockout Error Code Flashes YES NO NO YES Call For Heat Ends NO YES YES NO C A L L F O R H E A T 3B 1 4 Move to Mid Firing Rate and High Firing Rate after 2nd and 3rd Stage Delays base...

Страница 64: ...gize and Low Cooling mode High Cooling mode High Cooling mode Per Ramping Profile NO NO YES NO 5 1 2 1 2 2 2 1 Indoor Blower On After 2 second delay Energize Indoor Blower Per Ramping Profile Energize...

Страница 65: ...S NO YES Go to Call for Cooling 6 1 4 5 1 Call for Continuous Blower Indoor Blower On Maintain Indoor Blower at set speed Maintain Indoor Blower at set speed OR Maintain Indoor Blower at set speed Ind...

Страница 66: ...ng at a minimum height of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print si...

Страница 67: ...province of Saskatchewan Lennox approves the following termination for use in Sas katchewan Canada C 12 D B A 2 51MM Vent Pipe 3 76MM Vent Pipe 12 305 mm Min 12 305 mm Min 6 152 mm Min 24 610 mm Max 6...

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