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INTEGRATED FURNACE CONTROL

THERMOSTAT WIRING DIAGRAMS-HEAT PUMP

A2. SPECIAL CONFIGURATION – WIRING OF

NON COMMUNICATING HEAT-PUMPS WITH
COMMUNICATING FURNACE AND THER-
MOSTAT (SEE FIGURE 57).

NON-COMMUNICATING

OUTDOOR UNIT

NON-COMMUNICATING

OUTDOOR UNIT

125 FEET MAX. @ 18 GA.

FIGURE 57

WIRING DIAGRAM FOR NON-COMMUNICATING HEAT-PUMP WITH COMMUNICATING FURNACE AND THERMOSTAT

ST-A1194-87-00

Содержание 96MDV Series

Страница 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...

Страница 2: ...rizontal 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 Termin...

Страница 3: ...ing the carton If the model number is correct open the carton and verify that the furnace rating label specifies the same furnace model number that is specified on the carton label If the model number...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 34: ...Field Conversions 34...

Страница 35: ...Field Conversions 35...

Страница 36: ...36 Field Conversions...

Страница 37: ...37 Field Conversions...

Страница 38: ...Field Conversions 38...

Страница 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...

Страница 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...

Страница 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...

Страница 42: ...pace 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 b...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 62: ...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 BETWEEN REC...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 67: ...it but the furnace will con tinue to run and heat will be provided If the installer uses this approach he must make sure that there is a mechanism for handling the possibility of water overflow onto...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 89: ...9 in the OFF position If Switch 9 is in the ON position low airflow is 50 of full airflow FIGURE 50 DIPSWITCH MAP ST A1210 03 The ECM motor used in this two stage furnace is designed to deliver const...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 100: ...roved configuration is to install dedicated wires directly from the furnace to the thermostat and a separate set of dedicated wires directly from the furnace to the condenser Additional EcoNet devices...

Страница 101: ...SINGLE STAGE THERMOSTAT WITH AUTOSTAGING ST A1194 61 03 Communicating Furnace INTEGRATED FURNACE CONTROL THERMOSTAT WIRING DIAGRAMS CONDENSING UNIT B SYSTEMS WITH LEGACY THERMOSTATS B1 WIRING OF A SI...

Страница 102: ...er Terminals are quick connect style 20 FUSE P100 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 furn...

Страница 103: ...WIRING OF NON COMMUNICATING HEAT PUMPS WITH COMMUNICATING FURNACE AND THER MOSTAT SEE FIGURE 57 NON COMMUNICATING OUTDOOR UNIT NON COMMUNICATING OUTDOOR UNIT O O 125 FEET MAX 18 GA 125 FEET MAX 18 GA...

Страница 104: ...CY SINGLE STAGE THERMOSTAT WITH AUTOSTAGING ST A1194 92 00 Communicating Furnace INTEGRATED FURNACE CONTROL THERMOSTAT WIRING DIAGRAMS HEAT PUMP B SYSTEMS WITH LEGACY THERMOSTATS B1 WIRING OF A SINGLE...

Страница 105: ...Terminals are quick connect style 20 FUSE P100 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...

Страница 106: ...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...

Страница 107: ...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...

Страница 108: ...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...

Страница 109: ...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...

Страница 110: ...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...

Страница 111: ...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...

Страница 112: ...d4 NO VALID 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 a...

Страница 113: ...t 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 or even seco...

Страница 114: ...second post 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...

Страница 115: ...115 TABLE 20 continued R96V FAULT CODES WITH DESCRIPTIONS AND SOLUTIONS Diagnostics...

Страница 116: ...nting Check 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 pressu...

Страница 117: ...cer 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 not be energi...

Страница 118: ...2 Connection 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 Che...

Страница 119: ...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 and exposed...

Страница 120: ...120 Diagnostics TABLE 20 continued R96V FAULT CODES WITH DESCRIPTIONS AND SOLUTIONS...

Страница 121: ...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 cycling the hea...

Страница 122: ...at 75 of capacity 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 co...

Страница 123: ...ate the motor again If the motor continues to fail it may be perma nently damaged and may need to be replaced B Is the motor overheating If so it may report an overheat condition to the furnace contro...

Страница 124: ...D s Note 12 is low 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...

Страница 125: ...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...

Страница 126: ...126 FIGURE 65 2 STAGE ECM FURNACE WIRING DIAGRAM Troubleshooting...

Страница 127: ...127...

Страница 128: ...128 CM 1015...

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