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101

ST-A1194-61-01

JUMPER

HEAT PUMP

ONLY

FIGURE 55

WIRING DIAGRAM FOR A LEGACY 1-STAGE THERMOSTAT WITH AUTOSTAGING.

ST-A1194-61-01

ica

tin

g F

urn

ace

INTEGRATED FURNACE CONTROL

THERMOSTAT WIRING DIAGRAMS

B. SYSTEMS WITH LEGACY THERMOSTATS

B1. WIRING OF A 1-STAGE LEGACY THERMO-

STAT WITH AUTOSTAGING SELECTED
(SEE FIGURE 55).

B2. WIRING OF A 2-STAGE LEGACY THERMO-

STAT (SEE FIGURE 56)

NOTE:

For 1 stage

cooling a jumper
between Y1 and Y2
is required!

Summary of Contents for *96V series

Page 1: ...SERIES 96MDV SERIES U L and or C S A recognized fuel gas and CO carbon monoxide detectors are rec ommended in all applications and their installation should be in accordance with the manufacturer s re...

Page 2: ...orizontal Direct Vent Termination 61 Option 5 Variants of Alternate Horizontal Direct Vent Termination 61 Optional Termination Angles for Alt Horizontal and Variant of Alt Horizontal Direct Vent Termi...

Page 3: ...ect for the installation If not return the unit without open ing the carton If the model number is correct open the carton and verify that the furnace rating label specifies the same furnace model num...

Page 4: ...f warm air heating and air con ditioning systems In Canada CSA 22 2 Canadian Electrical Code In Canada CSA B149 1 Canadian Natural Gas and Propane Installation Code CALIFORNIA RESIDENTS ONLY IMPORTANT...

Page 5: ...record height above anticipated snow level or in Canada intake and exhaust vents conform with CSA B149 1 Canadian Natural Gas and Propane Installation Code ______ Correct relationship exhaust to inta...

Page 6: ...INSTRUC TIONS WARNING COMBUSTION AND VENTILATION AIR MUST BE PRO VIDED TO THE FURNACE AS REQUIRED BY THE NA TIONAL FUEL GAS CODE U S AND CSA B149 1 CANADA AND THE COMBUSTION AND VENTILATION AIR SECTIO...

Page 7: ...MBUSTION RETURN AIR TEMPERATURE MAINTAINED BE TWEEN 55 F 13 C AND 80 F 27 C AND CLEAN FURNACE DUCT WORK AND COMPO NENTS UPON SUBSTANTIAL COMPLETION OF THE CONSTRUCTION PROCESS AND VERIFY THAT THE FURN...

Page 8: ...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 size no less than...

Page 9: ...within the furnace cabinet no freeze protection is required When the trap is mounted outside or partially outside the cabinet it must be pro tected from freezing Regardless of the location of the drai...

Page 10: ...F L O W NOTE HORIZONTAL LEFT ORIENTATION DEPICTED IN ILLUSTRATION HORIZONTAL RIGHT ORIENTATION IS SIMILAR IN INSTALLATION ST A1194 05 X0 FIGURE 4 OPTION B 2 3 PIPE OPTION A 2 PIPE 8 6 ST A1194 40 X0 C...

Page 11: ...NLET CONDENSATE DRAIN UPFLOW ELECTRICAL CONNECTION LINE VOLTAGE ELECTRICAL CONNECTION LOW VOLTAGE 22 96 23 80 8 00 11 00 17 44 29 05 26 17 32 88 23 00 14 00 28 06 1 12 29 62 62 19 83 OPTIONAL LINE VOL...

Page 12: ...ALLING AND MOVING CONDENSATE PLUMBING THE HOSES SHOULD BE FREE OF KINKS FOR PROPER WATER FLOW WHEN DRAIN HOSE OR CONDENSATE TRAP HOSE ROUTING CHANGES ARE NECESSARY BE SURE TO PLUG OR CAP ANY UNUSED HO...

Page 13: ...BULKHEAD COUPLING HOSE DOUBLE ELBOW TUBE C HOSE CLAMP INTAKE AIR DIFFUSER 8 X 1 2 SCREW X4 8 X 1 2 SCREW X10 5 8 DRAIN HOSE B CONDENSATE TRAP BRACKET DOWN FLOW 2 PVC VANE 1 4 HOLE PLUG 1 2 DRAIN HOSE...

Page 14: ...LOW WITH VERTICAL VENT Pg 15 16 UPFLOW WITH LEFT SIDE VENT Pg 17 18 DOWNFLOW WITH RIGHT VENT NON ZERO CLEARANCE Pg 19 22 DOWNFLOW ZERO CLEARANCE Pg 23 27 HORIZONTAL RIGHT WITH RIGHT VENT Pg 28 30 HORI...

Page 15: ...STALL IN JACKET WITH THE BARBED FITTING POINTED INTO THE VESTIBULE INSTALL 2 OPTION DRAIN RIGHT DETERMINE RIGHT OR LEFT DRAIN OPTION LOCATE 7 8 HOLE IN JACKET SIDE REMOVE PLUG DISCARD DRILL 2 1 8 HOLE...

Page 16: ...__ UNIT HAS FORWARD PITCH __ HEAT TAPE INSTALLED IF REQUIRED __ VERIFY ALL HOSES ARE SECURE AND FULLY SEATED __ CONFIRM THAT ALL HOSES ARE FREE OF KINKS __ CONFIRM ALL HOSES AND OTHER DRAIN PARTS HAVE...

Page 17: ...TE 2b INSTALL 2 PIPE GROMMET AS SHOWN 2c INSTALL INTAKE COUPLING AS SHOWN 2b 2c 2a 2 5 8 1a 1b 1c 1 1a REMOVE FLUE TRANSITION TRANSITION COUPLING AND ELBOW NOTE REMOVE INDUCER COUPLING W ELBOW FOR EAS...

Page 18: ...P OVER END 1 OF HOSE DOUBLE ELBOW 5b4 INSTALL TUBE C WITH HOSE CLAMP AS SHOWN TO HOSE A PRE ASSEMBLED 5b5 ATTACH HOSE DOUBLE ELBOW TO BULKHEAD COUPLING POSITION WIRE HOSE CLAMP __ VERIFY ALL HOSES ARE...

Page 19: ...RUCTIONS ARE INTENTIONALLY GENERIC SOME PARTS MAY BE DIFFERENT IN YOUR FURNACE FLAT HEAD SCREWDRIVER 1 4 BLACK VENT TUBE TRAP BRACKET DOWN FLOW 1 1a TRANSITION COUPLING DISCARD FLUE TRANSITION DISCARD...

Page 20: ...CKET WITH 2 SCREWS AS SHOWN 4c INSTALL 559 DRAIN PLUG IN THE CONDENSATE TRAP 4 3d 3c 3a 3b 3a RELOCATE 403 DRAIN PLUG IN THE COLLECTOR BOX 3b INSTALL 2 PIPE GROMMET 3c INTAKE COUPLING IN JACKET AS SHO...

Page 21: ...STEP 1 FROM INDUCER COUPLING TO THE FLUE TAP IN THE CONDENSATE TRAP 6e INSTALL HOSE E FROM COLLECTOR BOX TO TOP OF CONDENSATE TRAP 20 10 APPROXIMATELY 10 20 TILT ON INDUCER COUPLING GROUND ROTATE INDU...

Page 22: ...T ALL HOSES ARE FREE OF KINKS __ CONFIRM ALL HOSES AND OTHER DRAIN PARTS HAVE A SLOPE IN DIRECTION OF WATER FLOW __ BOTH WORM DRIVES ON THE HOSE CLAMPS OF THE IDB COUPLING MUST BE LOCATED ON THE TOP O...

Page 23: ...4 SHOWN WITH FURNACE IN AS SHIPPED CONDITION NOTE THESE CONVERSION INSTRUCTIONS ARE INTENTIONALLY GENERIC SOME PARTS MAY BE DIFFERENT IN YOUR FURNACE 5 16 HEX HEAD DRIVER TRANSITION COUPLING RETAIN FL...

Page 24: ...RICAL WIRING SECTION FOR INSTRUCTIONS 5c SEE ELECTRICAL WIRING SECTION FOR INSTRUCTIONS 5c DRILL 2 1 8 HOLES IN BLOWER SHELF 5d 6 5a ROTATE UNIT 180 5b REMOVE KNOCKOUTS WITH HAMMER AND FLAT HEAD SCREW...

Page 25: ...TED 10c SLIDE PIPE COLLAR ASSEMBLIES FROM STEP 7 OVER THE 2 PIPES AND DRILL 8 PVC GLUE JOINT SLIDE INTAKE PIPE THROUGH THE LEFT SIDE KNOCKOUT ON COVER PLATE CLEAN AND PVC GLUE TO INTAKE COUPLING AS SH...

Page 26: ...2 SCREWS 11c CUT 1 4 VENT TUBE TO FIT APPROX 10 1 2 11a ROTATE INDUCER COUPLING 10 NOTE TIGHTEN ELBOW COUPLING CLAMPS TO FLUE PIPE WITH 5 16 NUT DRIVER NOT SHOWN NOTE USE SOAPY WATER TO FACILITATE EAS...

Page 27: ...AIN PARTS HAVE A SLOPE IN DIRECTION OF WATER FLOW __ BOTH WORM DRIVES ON THE HOSE CLAMPS OF THE IDB COUPLING MUST BE LOCATED ON THE TOP OF THE COUPLING SEE LOCATION DETAIL IN THE GENERAL CONVERSION IN...

Page 28: ...4 VINYL CAP YELLOW ON COLLECTOR BOX VENT TAP 2a 2b 2c MOVE MOVE MOVE 1 1a REMOVE TRAP AND HOSES NOTE TO REMOVE TRAP REMOVE 2 SCREWS AND PULL STRAIGHT OUT 1b INSTALL INTAKE COUPLING IN TOP PLATE AS SH...

Page 29: ...ENSATE DRAIN PLUG AND CONDENSATE TRAP GASKET AS SHOWN 4d INSTALL CONDENSATE TRAP MAKE SURE THE CHANNEL AT THE LOCATION SHOWN IN THE IMPORTANT SECTION ENGAGES THE EDGE OF THE JACKET AT THE LOCATION SPE...

Page 30: ...VE A SLOPE IN DIRECTION OF WATER FLOW __ BOTH WORM DRIVES ON THE HOSE CLAMPS OF THE FLUE TRANSITION MUST BE LOCATED ON THE TOP OF THE COUPLING SEE LOCATION DETAIL IN THE GENERAL CONVERSION INSTRUCTION...

Page 31: ...TS MAY BE DIFFERENT IN YOUR FURNACE 1a REMOVE FLUE TRANSITION TRANSITION COUPLING AND ELBOW NOTE REMOVE INDUCER COUPLING W ELBOW FOR EASIER 1b REMOVE CONDENSATE TRAP AND HOSES NOTE TO REMOVE TRAP REMO...

Page 32: ...W ON COLLECTOR BOX VENT TAP 3b 3a 5 5a REMOVE METAL BRACKET AND THE 403 DRAIN PLUG DISCARD 5b REMOVE HOSE A DISCARD 5c INSTALL 559 CONDENSATE DRAIN PLUG AND CONDENSATE TRAP GASKET AS SHOWN 5d INSTALL...

Page 33: ...OUPLINGS ARE TIGHTENED Checklist 6 HOSE E 6c HOSE F 6d ROTATE UNIT 90 6a ROTATE UNIT 90 6b CUT 1 4 VENT HOSE TO FIT APPROX 5 1 2 AND INSTALL AS SHOWN 6c CUT HOSE E AT LINE 1 INSTALL NOTE MAKE SURE CUT...

Page 34: ...Field Conversions 34...

Page 35: ...Field Conversions 35...

Page 36: ...36 Field Conversions...

Page 37: ...37 Field Conversions...

Page 38: ...Field Conversions 38...

Page 39: ...CONVERSION INSTRUCTIONS ARE INTENTIONALLY GENERIC SOME PARTS MAY BE DIFFERENT IN YOUR FURNACE 2 INTAKE COUPLING NOTE STEPS 1 4 SHOWN WITH FURNACE IN AS SHIPPED CONDITION NOTE THESE CONVERSION INSTRUCT...

Page 40: ...AFTER THE UNIT IS ROTATED 4a REMOVE METAL BRACKET AND 403 DRAIN PLUG DISCARD 4b REMOVE HOSE A DISCARD 4c INSTALL 559 CONDENSATE DRAIN PLUG 4d CONDENSATE TRAP GASKET AS SHOWN 4e INSTALL CONDENSATE TRA...

Page 41: ...ARTS HAVE A SLOPE IN DIRECTION OF WATER FLOW __ BOTH WORM DRIVES ON THE HOSE CLAMPS OF THE FLUE TRANSITION MUST BE LOCATED ON THE TOP OF THE COUPLING SEE LOCATION DETAIL IN THE GENERAL CONVERSION INST...

Page 42: ...space 6 If a filter is installed near the furnace be sure to have adequate space for installation and removal of the unit filter 7 NOTE Where the maximum airflow is 1800 CFM or more BOTH sides or the...

Page 43: ...areas Avoid return air from utility rooms kitchens laundry rooms and bathrooms Ducting DUCTING WARNING UPFLOW FURNACE THE SOLID METAL BASE PLATE SHIPPED WITH THE FURNACE MUST BE IN STALLED IN THE FUR...

Page 44: ...llation and removal of the unit filter NOTE DO NOT take return air from furnace rooms garages or cold areas Avoid return air from utility rooms kitchens laundry rooms and bathrooms FIGURE 10 CUT OUT U...

Page 45: ...Water softening chemicals De icing salts or chemicals Carbon tetrachloride Halogen type refrigerants Printing inks paint removers varnishes etc Cleaning solvents such as perchloroethyl ene Hydrochlori...

Page 46: ...ture plastic pipe from another gas or fuel burning appliance unless the re quired minimum clearances to combustibles are main tained between the plastic pipe and other pipes For Canada PVC CPVC and po...

Page 47: ...isture 2 After checking pipe and socket for proper fit wipe socket and pipe with cleaner primer Apply a liberal coat of primer to inside surface of socket and outside of pipe Read instructions include...

Page 48: ...ent maximum vent lengths specified by the manufacturer for each furnace Listed table maximums have been qualified by the manufacturer Dependant on individual installation specifics installations beyon...

Page 49: ...is the recommended maximum number of long sweep elbows for either 2 or 3 inch pipe Combinations of long sweep 90s standard 90s or 45s may be used but the manufacturer recommends the use of long sweep...

Page 50: ...Lengths section Table 4 Application of these products is limited to the terminations listed in Ta bles 5 and 6 below These manufacturers have provisions for B vent liners and chimney liners which can...

Page 51: ...nd Figure 32 Direct Vent the vent location should also be governed by the following guidelines 1 Avoid terminating under any kind of patio or deck How ever if necessary vent piping may be installed un...

Page 52: ...e outdoors A USING INDOOR AIR FOR COMBUSTION IMPORTANT Air should not be taken from a heated space with a fireplace exhaust fan or other device that may pro duce negative pressure If combustion air is...

Page 53: ...METHOD 2 One permanent opening located within 12 inches of the top NON DIRECT VENT cont GENERAL VENTING REQUIREMENTS AND GUIDELINES FIGURE 13 NON DIRECT VENT AIR FROM HEATED SPACE ST A1194 19 FIG C 9...

Page 54: ...quipment located in the enclosure and NON DIRECT VENT cont GENERAL VENTING REQUIREMENTS AND GUIDELINES FIGURE 14 NON DIRECT VENT AIR FROM ATTIC OR CRAWL SPACE OPTIONAL INLET AIR 1 SQ IN 6 5 SQ CM PER...

Page 55: ...NON DIRECT VENT FURNACES WALL PENETRATIONS 8 MIN 12 MAX 20 31cm ST A1194 19 FIG F WARNING DO NOT USE VENT TERMINATIONS WHICH ARE NOT SPECIFIED IN THESE INSTRUCTIONS USING VENT TERMINATIONS OTHER THAN...

Page 56: ...ewall vent kit RXGY G02 can be used for both direct vent and non direct vent installations NON DIRECT VENT cont GENERAL VENTING REQUIREMENTS AND GUIDELINES ST A1194 19 FIG F 12 31cm ABOVE GRADE OR AVG...

Page 57: ...opening 6 inches 15cm for appliances 10 000 Btuh 3kw 12 inches 30cm for appliances 10 000 Btuh 3kw and 100 000 Btuh 30kw 36 inches 9m for appliances 100 000 Btuh 30kw 12 30cm 3 ft 9m 10 ft 3 05 m pref...

Page 58: ...ND GUIDELINES WARNING ALL FURNACE INSTALLATIONS MUST COMPLY WITH THE NATIONAL FUEL GAS CODE OR IN CANADA CSA B149 1 NATURAL GAS AND PROPANE INSTALLATION CODE AND LOCAL CODES TO PROVIDE ADEQUATE COMBUS...

Page 59: ...standard direct vent vertical termination 3 8cm minimum only if no snow accumulation is anticipated Venting Terminations more than 24 above roof penetration re quire additional support 12 31cm U S CA...

Page 60: ...OUPLING IN VERTICLE POSITION USING PVC SOLVENT 6 THE COMBUSTION AIR TERMINATION MUST BE IN THE SAME PRESSURE ZONE AS THE EXHAUST TERMINATION 7 NO SCREENS MAY BE USED TO COVER COMBUSTION AIR OR EXHAUST...

Page 61: ...BE USED TO COVER COMBUSTION AIR OR EXHAUST 8 NO T S CAN BE INSTALLED AT THE TERMINATION 9 PIPING EXTERNAL TO THE STRUCTURE MUST BE INSULATED AS REQUIRED FOR LOCAL CLIMATE 10 WALL PENETRATION AND VENT...

Page 62: ...ATION ELBOWS MUST BE AT THE SAME ANGLE AND FACE THE SAME DIRECTION LEFT OR RIGHT 2 A WIND VANE MUST BE INSTALLED IN THE COM BUSTION AIR INLET PIPE AS SHOWN IN THE DIA GRAM 3 NUMBER AND DISTANCE BETWEE...

Page 63: ...rtical horizontal intake air vent runs and may be installed through roofs or sidewalls One 5 inch diameter hole RXGY E03 RXGY E03A or 3 5 8 inch diameter hole RXGY E02 RXGY E02A is required for the in...

Page 64: ...or maximum distances vertical and horizontal between pipes do not apply to the sidewall termination kit NOTE Multiventing NO COMMON VENTING IS PER MITTED WITH THIS KIT NOTE With this option a trap on...

Page 65: ...0 000 Btuh 30kw 12 30cm 3 ft 9m 10 ft 3 05 m preferred 7 feet 2 1m 3 feet 9m within a height 15 feet 4 5m above the meter regulator assembly 3 feet 9m 6 inches 15cm for appliances 10 000Btuh 3kw 12 in...

Page 66: ...ical termination MINIMUM 12 31cm IN U S ABOVE AVERAGE SNOW ACCUMULATION MAXIMUM OF 24 61cm ABOVE ROOF 6 1 8m MINIMUM 10 3m RECOMMENDED A A SEE SEE MINIMUM 12 31cm ABOVE GRADE IN U S 12 31cm U S CANADA...

Page 67: ...d drain will cause the condensate water to overflow the vent and spill water on the floor below it but the furnace will con tinue to run and heat will be provided If the installer uses this approach h...

Page 68: ...RAIN ROUTING THE INSTALLER HAS THE OPTION TO ROUTE THE DRAIN TO THE RIGHT OR LEFT SIDE OF THE FURNACE AS NEEDED A I R F L O W HEIGHT OPTION B HEIGHT OPTION A HEIGHT OF LOWER CONDENSATE DRAIN SENSOR CO...

Page 69: ...N AIR AND TENDS TO COLLECT AT LOWER LEVELS MAKING IT MORE DIFFICULT TO SMELL AT NOSE LEVEL NATURAL GAS IS LIGHTER THAN AIR AND WILL RISE POSSIBLY ACCUMULATING IN HIGHER PORTIONS OF THE STRUCTURE IF A...

Page 70: ...n of the ground joint union In stall a manual shut off valve in the gas line outside of the furnace casing and upstream of the ground joint union The manual shut off valve should be readily acces sibl...

Page 71: ...L SHUT OF VALVE ST A1205 03 X0 UNION DRIP LEG MANUAL SHUT OF VALVE DOWNFLOW ST A1205 03 X0 FIGURE 36 continued GAS PIPING INSTALLATION GAS SUPPLY GAS PIPING Gas Supply CONTINUED ON NEXT PAGE 4 5 FEET...

Page 72: ...L SHUT OF VALVE DRIP LEG UNION DRIP LEG MANUAL SHUT OF VALVE ST A1205 04 X0 UNION DRIP LEG MANUAL SHUT OF VALVE UNION DRIP LEG MANUAL SHUT OF VALVE HORIZONTAL FIGURE 36 continued GAS PIPING INSTALLATI...

Page 73: ...LE 12 NATURAL GAS PIPE CAPACITYTABLE CU FT HR Capacity of gas pipe of different diameters and lengths in cu ft per hr with pressure drop of 0 3 in and specific gravity of 0 60 natural gas Nominal Leng...

Page 74: ...the furnace has been converted to LP gas LP CONVERSION FIGURE 38 TYPICAL LP KIT CONTENTS TABLE 13 LP GAS PIPE CAPACITYTABLE CU FT HR Maximum capacity of pipe in thousands of BTU per hour of undiluted...

Page 75: ...e See Tables 12 and 13 With LP gas have the LP supplier adjust the line pressure at the regulator Manifold Gas Pressure Measurement Natural gas manifold pressure should be 3 5 w c for high fire and 1...

Page 76: ...Association Inc Batterymarch Park Quincy MA 02269 CSA International 5060 Spectrum Way Mississauga Ontario Canada L4W 5N6 online www csa ca REVERSING THE ELECTRICAL CONNECTION JUNCTION BOX If the line...

Page 77: ...for compatibil ity concerns Generally all thermostats that are not of the current robbing current robbing thermostats require the addition of an isolation relay See Figure 41 types are compatible with...

Page 78: ...FM may be below the above threshold In these cases the electronic air cleaner output will NOT be energized NOTE Maximum current is 1 0 amps for the electronic air cleaner output HUMIDIFIER Humidifier...

Page 79: ...SORT FILTER RACK FIELD SUPPLIED FILTER ST A1194 10 X0 ST A1194 11 X0 RXGF CC ACCESSORT FILTER RACK FIELD SUPPLIED FILTER ST A1194 12 X0 FIGURE 42 FILTER LOCATIONS ACCESSORIES FIELD INSTALLED OPTION AC...

Page 80: ...3 5 w c column Orifice required at Sea Level 49 From Table E 1 1 d of National Fuel Gas Code Hand book current edition Orifice required at 5000 ft elevation 4 de rate per thousand ft 51 Orifice requir...

Page 81: ...81 TABLE 14 SUPPLEMENTAL ORIFICE SIZE CHART HIGH ALTITUDE NATURAL GAS AT HIGH ALTITUDES cont High Altitude...

Page 82: ...st be measured on site with manifold pressure adjustment to ensure that an actual 10 reduction in input rate is achieved Once this field adjustment has been made the label shown in Figure 43 must be a...

Page 83: ...ROLS Integrated Controls with Direct Spark Ignition 1 Each time the thermostat W Heating contacts close legacy or a communicating heat call is transmitted to the furnace control from a communicating t...

Page 84: ...Y CARD CONNECTOR S1 S2 S3 DIP SWITCH BANKS P4 CIRCULATION BLOWER COMMUNICATIONS CONNECTION HUMIDIFIER RELAY OUT DRY CONTACTS ELECTRONIC AIR CLEANER OUTPUT NEUTRAL FOR ELECTRONIC AIR CLEANER OUTPUT NEU...

Page 85: ...0 amp at 115 VAC This output is energized any time the blower motor is above the airflow CFM values specified below Airflow below this value is not considered to be enough for a typical electronic ai...

Page 86: ...inuous humidifier operation during heating refer to Figure 46 and make sure to install the jumper between the thermostat ter minals labeled R and HUM STAT A sepa rate humidistat is not required for th...

Page 87: ...be disabled if the dipswitch S2 8 is in the OFF position If this switch is in the ON position dehumidification control will be active INTEGRATED FURNACE CONTROL Communicating Furnace FIGURE 46 WIRING...

Page 88: ...hes that must be penetrated to change the dipswitch position Use a pen or similar tool to penetrate the cover and change the position This is normal and penetration of the protective cover will not da...

Page 89: ...ACE CONTROL DIPSWITCHES Communicating Furnace Low airflow is 75 of full airflow with switch 9 in the OFF position If Switch 9 is in the ON position low airflow is 50 of full airflow FIGURE 50 DIPSWITC...

Page 90: ...rflow HP Blower HP Blower S1 4 S1 5 42 56 84 98 70 KBTU 112 KBTU OFF OFF 788 CFM 1313 CFM Factory Setting ON OFF 656 CFM 1050 CFM OFF ON 525 CFM 919 CFM ON ON 394 CFM 788 CFM Airflow dipswitches are t...

Page 91: ...adjust ment in legacy mode Each selection will use a dif ferent airflow demand for first stage gas heat The selections are set to approximate a specified tem perature rise as follows Note Temperature...

Page 92: ...con sidered normal some operational codes are displayed simultaneously with low level faults which do not inter rupt operation see paragraphs below for details Since usually only one fault can be disp...

Page 93: ...bed above A D 4 When both the high pressure switch and low pres sure switch are closed and both should be open as in during the pressure switch proving period In this case fault codes 44 and 55 will b...

Page 94: ...W 2 8 I GJ b30 0 1 B 8 3 b30 8 J II W 2 0 1 N43 8 B K IK W 2 0 1 B 8 3 W 2 8 O C 4 2 1 3 8 T F C4 7 b3 1 1 6 1 94 U JJ 430 N 19 R JU 430 C 41 Z 430 N 1 44 b30 C4 7 N 1 F W N 44 3 W 2 W 1 U G N 44 3 b3...

Page 95: ...w fault to the buffer the previous fault and level are replaced with the new fault and level The time stamp will also be updated This way the existing fault will be updated but a new fault will not be...

Page 96: ...nt displays one sec ond on and one second off three times after the fault clear command has been recognized The fault history can also be cleared through the HW1SHOTS write command message when Clear...

Page 97: ...istance and a valid thermistor value was sensed on the same power cycle a fault 82 is to be displayed on the seven segment displays If the resistance between the outdoor air terminals OAT is determine...

Page 98: ...labeled Aux 1 and Aux 2 The switch inputs are for communicating systems only One or both inputs can be configured at the communicating thermostat as either normally opened or normally closed contacts...

Page 99: ...ation 3 If the thermostat wiring will be located near or in paral lel with high voltage wiring cable TV Ethernet wiring or radio frequency equipment then shielded thermo stat wire can be used to reduc...

Page 100: ...tat and ap proved EcoNet communicating condenser The only ap proved configuration is to install dedicated wires directly from the furnace to the thermostat and a separate set of dedicated wires direct...

Page 101: ...194 61 01 Communicating Furnace INTEGRATED FURNACE CONTROL THERMOSTAT WIRING DIAGRAMS B SYSTEMS WITH LEGACY THERMOSTATS B1 WIRING OF A 1 STAGE LEGACY THERMO STAT WITH AUTOSTAGING SELECTED SEE FIGURE 5...

Page 102: ...100 P101 A fuse is provided to protect low voltage 24VAC cir cuits from shorts between 24VAC and Ground or Common A fault code 30 is displayed at the furnace control when the fuse has been opened On t...

Page 103: ...pressure or counterclockwise to de crease pressure Then replace the regulator cap securely Any necessary major changes in the gas flow rate should be made by changing the size of the burner orifices T...

Page 104: ...sult the local gas utility to obtain the yearly average heating value and orifice size required to fire each individual burner at 14 000 BTU HR NOTE Refer to the High Altitude Section of this manual a...

Page 105: ...ing up the blower by removing restrictions in the duct system or by adding more supply or return air duct If the measured temperature rise is below the approved range the air flow is too much Use lowe...

Page 106: ...d through it to keep from overheating CAUTION DO NOT OPERATE THE SYSTEM FOR EXTENDED PE RIODS WITHOUT FILTERS A PORTION OF THE DUST ENTRAINED IN THE AIR MAY TEMPORARILY LODGE IN THE AIR DUCT RUNS AND...

Page 107: ...switches IMPORTANT It is recommended that at the beginning of the heating season the condensate neutralizer if used be replaced by a qualified installer service agency or the gas supplier IMPORTANT It...

Page 108: ...This code indicates that there is a both cooling and dehumidication demand present at the same time When de humidification is active the cooling airflow will be reduced in order to allow water to accu...

Page 109: ...MODEL DATA ON MEMORY CARD DESCRIPTION The memory card inserted into the slot at position P6 of the furnace control is corrupt and can not be used OR there is no memory card installed at all However a...

Page 110: ...te This fault will not be displayed to the homeowner on communicating systems unless it occurs at least three times within a single heat call It will not be displayed to the homeowner after the first...

Page 111: ...purge After both the post purge and blower off delay are complete the fault code 13 is removed and a new attempt at ignition is made Often the new ignition attempt will fail and operation will procee...

Page 112: ...112 Diagnostics TABLE 20 continued R96V FAULT CODES WITH DESCRIPTIONS AND SOLUTIONS...

Page 113: ...that all gaskets between the inducer and center panel heat exchanger are properly installed and sealed 3 Unstable flame pattern CAUSE 2 Loose or faulty wiring SOLUTION 1 Replace low pressure control s...

Page 114: ...l board inducer relay 5 Loose or faulty wiring 6 Disconnected blocked split or cut pressure switch hoses 45 EXPECTED OPERATION 1 DISPLAYED BEFORE HEAT IS ESTABLISHED The IBM Indoor Blower Motor will n...

Page 115: ...of P4 at the IFC or at the water sensors is not properly made 7 Replace hoses as necessary 8 Insure proper termination and determine if high altitude kit may be necessary see item 4 2 Check the speci...

Page 116: ...f operation should operate as normal CAUSE 1 A blocked condensate drain or the drain trap has become blocked and cannot allow condensate water to flow properly 2 Wiring to the sensors has been damaged...

Page 117: ...117 TABLE 20 continued R96V FAULT CODES WITH DESCRIPTIONS AND SOLUTIONS Diagnostics...

Page 118: ...ll 2 Voltage is detected unexpectedly on the gas valve con tacts welded relay and will not clear by cycling the inducer Fault code 93 is set and displayed This lockout condition cannot be reset by cyc...

Page 119: ...acity If the motor is operating at a good speed it is likely not the motor that is the problem If the motor is not operating verify that the control wiring between the motor and furnace control to P5...

Page 120: ...try to operate the motor again If the motor continues to fail it may be permanently damaged and may need to be re placed B Is the motor overheating If so it may report an overheat condition to the fu...

Page 121: ...ow flame sense furnace should still operate well Fault code 45 46 or 57 displayed at SSD s CHECK Fault codes at IFC SSD see FAULT CODES under troubleshooting in I O manual 24V Between IFC pins P2 5 P2...

Page 122: ...esent at gas valve for only 7 seconds during each ignition trial System will enter a 1 hour lockout after 4 attempts CHECK AIRFLOW ensure no restrictions such as dirty filter blower wheel dampers or c...

Page 123: ...123 FIGURE 62 2 STAGE ECM FURNACE WIRING DIAGRAM Troubleshooting...

Page 124: ...124 CM 1014...

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