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N92ESN: Installation, Start-up, Operating and Service and Maintenance Instructions

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

344443-2 Rev D

A210135

Fig. 72 – Wiring Diagram

Содержание N92ESN

Страница 1: ... 54 WINTERIZATION 61 SEQUENCE OF OPERATION 61 PARTS REPLACEMENT INFORMATION GUIDE 66 MODEL NOMENCLATURE 66 A200326 Most states in the USA and jurisdictions in Canada have laws that require the use of Carbon Monoxide CO alarms with fuel burning products Examples of fuel burning products are furnaces boilers space heaters generators water heaters stoves ranges clothes dryers fireplaces incinerators ...

Страница 2: ...e exterior of the building 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 size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally ven...

Страница 3: ...ing could result in dangerous operation personal injury death or property damage Improper installation adjustment alteration service maintenance or use can cause carbon monoxide poisoning explosion fire electrical shock or other conditions which may cause personal injury or property damage Consult a qualified service agency local gas supplier or your distributor or branch for information or assist...

Страница 4: ...able soap solution made specifically for the detection of leaks to check all connections as specified in the Gas Piping section 6 Always install furnace to operate within the furnace s intended temperature rise range with a duct system which has an external static pressure within the allowable range as specified in the Start Up Adjustments and Safety Check section See furnace rating plate 7 When a...

Страница 5: ...d resulting failure damage or repairs may impact warranty coverage For accessory installation details refer to the applicable instruction literature NOTE Remove all shipping materials loose parts bag and literature before operating the furnace See Table 2 Table 2 Loose Parts Bag NOTE The 40K size is the only furnace that receives the outlet restrictor in the loose parts bag See Table 13 Maximum Eq...

Страница 6: ...s 4 5 6 and 9 In the state of Massachusetts This product must be installed by a licensed plumber or gas fitter When flexible connectors are used the maximum length shall not exceed 36 in 914 mm When lever type gas shutoffs are used they shall be T handle type The use of copper tubing for gas piping is not approved by the state of Massachusetts Electrical Connections US Current edition of National ...

Страница 7: ...Y DAMAGE HAZARD Improper use or installation of this furnace may result in premature furnace component failure Unless otherwise prohibited this gas furnace may be used for heating buildings under construction provided that The furnace is permanently installed with all electrical wiring piping venting and ducting installed according to these installation instructions A return air duct is provided s...

Страница 8: ...d Air Supply for Appliances The requirements for combustion and ventilation air depend upon whether or not the furnace is located in a space having a volume of at least 50 cubic feet per 1 000 BTUh input rating for all gas appliances installed in the space Spaces having less than 50 cubic feet per 1 000 BTUh 4 8 cubic meters per kW require the Outdoor Combustion Air Method Spaces having at least 5...

Страница 9: ... gas appliances in the space per Fig 6 and Table 3 b Not less than the sum of the areas of all vent connectors in the space The opening shall commence within 12 in 300 mm of the ceiling Appliances in the space shall have clearances of at least 1 in 25 mm from the sides and back and 6 in 150 mm from the front The opening shall directly communicate with the outdoors or shall communicate through a ve...

Страница 10: ... In spaces that use the Indoor Combustion Air Method infiltration should be adequate to provide air for combustion permanent ventilation and dilution of flue gases However in buildings with unusually tight construction additional air MUST be provided using the methods described in the Outdoor Combustion Air Method section 4 Unusually tight construction is defined as Construction with a Walls and c...

Страница 11: ...d loosen clamp on vent elbow inlet Remove relief tube from port on collector box Remove the screw that secures the condensate trap to the collector box and remove trap Remove relief tube from relief port on condensate trap Remove front pressure switch tube and discard A new tube is shipped in the Loose Parts bag Remove middle and right plug from collector box DO NOT DISCARD 5 6 Unconverted Factory...

Страница 12: ...ondensate Freeze Protection kit is required The kit includes a condensate trap with heat pad and replaces the factory installed condensate trap Refer to the Accessory section of the Specification Sheet for current kit number A self regulating shielded and waterproof heat tape rated at 3 to 6 watt per foot 10 to 20 watt per meter at 115 volt 40 F 4 C may be used to provide freeze protection of the ...

Страница 13: ...e constructed from field supplied 1 2 in CPVC or 3 4 in PVC pipe in compliance with local building codes A factory supplied 1 2 in CPVC to 3 4 in PVC adapter is supplied in the loose parts bag for use as required 7 Install the adapter or connect the 1 2 in CPVC pipe by sliding a spring clamp over the open end of the grommet on the outside the furnace casing 8 Open the spring clamp and insert the l...

Страница 14: ...VC pipe into the outlet stub on the drain tube 17 Connect additional condensate piping to a code approved drain or to a condensate pump approved for use with acidic furnace condensate and compatible with mineral and vegetable oils such as canola oil Allow at least 1 4 in per foot 20 mm per meter of slope down and away from the furnace in horizontal sections of drain line TIP FROM CONTRACTORS When ...

Страница 15: ...rnace casing side to attach supply air duct humidifier or other accessories All supply side accessories MUST be connected to duct external to furnace main casing Return Air Connections The return air duct can only be connected to bottom of the furnace sides left or right or a combination of bottom and side s of main furnace casing Bypass humidifier may be attached into unused return air side of th...

Страница 16: ...Construct hole in floor per Table 5 and Fig 25 3 Construct plenum to dimensions specified in Table 5 and Fig 25 4 Install special base coil assembly or coil box as shown in Fig 25 NOTE It is recommended that the perforated supply air duct flanges be completely removed from furnace when installing the furnace on a factory supplied cased coil or coil box To remove the supply air duct flange use wide...

Страница 17: ...e furnaces are shipped with bottom closure panel installed in bottom return air opening This panel MUST be in place when side return air inlet s are used without a bottom return air inlet Not all horizontal furnaces are approved for side return air connections See Fig 23 Where required by code seal bottom closure to furnace with tape mastic or other durable sealing method WARNING FIRE HAZARD A fai...

Страница 18: ...cal efficiency and system airflow performance occurring with filter pressure drops under 0 1 in W C 25 Pa Provide duct transitions as required to smoothly transition airflow from the return duct system to the filter or IAQ device to the furnace when the dimensions of the ductwork or furnace return air opening do not match the required filter or IAQ device dimensions See the instructions supplied w...

Страница 19: ...4 800 378 0 05 13 0 08 21 0 13 32 0 29 72 0 20 49 1000 472 0 06 16 0 11 28 0 17 43 0 27 67 1200 566 0 07 18 0 14 36 0 22 56 1400 661 0 08 21 0 18 45 0 28 70 1600 755 0 09 23 0 21 54 1800 850 0 10 25 0 26 64 20 x 25 Filter Factory Accy Washable Representative After Market Filter Media Fiberglass Pleated CFM L s 1 in 2 5 cm 1 in 2 5 cm 2 in 5 cm 1 in 2 5 cm 2 in 5 cm 800 378 0 04 11 0 06 16 0 09 24 ...

Страница 20: ...4 x 25 x 3 4 356 x 635 x 19 Washable 17 1 2 445 16 x 25 x 3 4 406 x 635 x 19 16 x 25 x 3 4 406 x 635 x 19 Washable 21 533 16 x 25 x 3 4 406 x 635 x 19 20 x 25 x 3 4 508 x 635 x 19 Washable 24 1 2 622 16 x 25 x 3 4 406 x 635 x 19 24 x 25 x 3 4 610 x 635 x 19 Washable FILTER CABINET HEIGHT IN MM FILTER SIZE IN MM Filters with a side return air may have a different filter size Measure the filter to o...

Страница 21: ...SHRAE or consult The Air Systems Design Guidelines reference tables available from your local distributor The duct system should be sized to handle the required system design CFM at the design external static pressure The furnace airflow rates are provided in Table 21 Air Delivery CFM With Filter When a furnace is installed so that the supply ducts carry air circulated by the furnace to areas outs...

Страница 22: ... is included in the loose parts bag Piping should be pressure and leak tested in accordance with the current addition of the NFGC in the United States local and national plumbing and gas codes before the furnace has been connected WARNING FIRE OR EXPLOSION HAZARD Failure to follow this warning could result in personal injury death and or property damage Never purge a gas line into a combustion cha...

Страница 23: ...ssure test After all connections have been made purge lines and check for leakage at furnace prior to operating furnace Gas Pipe Grommet For direct vent 2 pipe applications the knockout for the gas pipe must be sealed to prevent air leakage Remove the knockout install the grommet in the knockout then insert the gas pipe The grommet is included in the loose parts bag See Fig 29 ELECTRICAL CONNECTIO...

Страница 24: ...UXILIARY J BOX 24 V TERMINAL BLOCK THREE WIRE HEATING ONLY FIVE WIRE NOTE 1 NOTE 2 FIELD SUPPLIED DISCONNECT CONDENSING UNIT TWO WIRE FURNACE C O N T R O L R G COM W C R G Y GND GND FIELD 24 V WIRING FIELD 115 208 230 460 V WIRING FACTORY 24 V WIRING FACTORY 115 V WIRING 208 230 OR 460 V THREE PHASE 208 230 V SINGLE PHASE BLOWER DOOR SWITCH WHT BLK WHT BLK NOTES Connect Y terminal in furnace as sh...

Страница 25: ...rical box as a template For a side mounted external electrical box complete the following 1 Align the J Box bracket with the knock out inside the furnace casing 2 Install the threaded end of a strain relief bushing through the J Box bracket and the furnace casing Strain relief bushing should be installed so that the bushing can be tightened around the wiring harness inside the furnace casing 3 Ali...

Страница 26: ... amp fuse located on the control Any direct shorts during installation service or maintenance could cause this fuse to blow If fuse replacement is required use ONLY a 3 amp fuse of identical size See Fig 36 Accessories See Fig 37 and Fig 36 1 Electronic Air Cleaner EAC Connect an accessory Electronic Air Cleaner if used using 1 4 in female quick connect terminals to the two male 1 4 in quick conne...

Страница 27: ...systems using single wall straight and flex and required fittings elbows reducers increasers connectors adapters only NOTE THESE INSTRUCTIONS DO NOT CONTAIN DETAILED INSTALLATION INSTRUCTIONS FOR POLYPROPYLENE VENTING SYSTEMS Refer to the polypropylene venting system manufacturer s installation instructions for the polypropylene venting system installation NOTE When using polypropylene venting sys...

Страница 28: ...tème d évacuation IPEX 636 Ne pas combiner l apprêt et le ciment d un manufacturier avec un système d évacuation d un manufacturier différent Bien suivre les indications du manufacturier lors de l utilisation de l apprêt et du ciment et ne pas utiliser ceux ci si la date d expiration est atteinte L opération sécuritaire tel que définit par ULC S636 du système de ventilation est basé sur les instru...

Страница 29: ...olvents Primers Cements PVC Pressure Pipe Schedule 40 D1785 UL 1738 DWV Schedule 40 D1785 D2665 D2466 Cellular Core Schedule 40 F891 or F656 D2564 SDR 26 N A D2241 D2665 SDR 21 N A D2241 IPEX Schedule 40 ULC S636 ULC S636 ULC S636 ULC S636 Royal Pipe Schedule 40 ULC S636 ULC S636 ULC S636 ULC S636 ABS ABS Schedule 40 D1527 D2468 Clear Cleaner For ABS D2235 DWV IPS Sizes Schedule 40 D2661 D2661 Cel...

Страница 30: ...Air Systems In a ventilated combustion air option the vent terminates and discharges the flue products directly to the outdoors similar to a direct vent system See Fig 47 for references to clearances required by National code authorities All air for combustion is piped directly to the furnace from a space that is well ventilated with outdoor air such as an attic or crawl space and the space is wel...

Страница 31: ...mplish the sound attenuation function A13305 Fig 39 Combustion Air and Vent Pipe Termination for Direct Vent 2 Pipe System A05091 Fig 40 Vent Pipe Termination for Non Direct Vent and Ventilated Combustion Air System in 222mm for 3 in 76mm 12 in 305mm min separation between bottom of combustion air and bottom of vent Typ in 172mm for 2 in 51mm Abandoned masonry used as raceway per code 12 in 305 mm...

Страница 32: ...ffected by sustained prevailing winds over 30 mph wind eddy such as inside building corners or by recirculation of flue gases airborne leaves or light snow 5 Termination or termination kit should be positioned where it will not be damaged by or subjected to foreign objects such as stones balls etc 6 Termination or termination kit should be positioned where vent vapors are not objectionable Direct ...

Страница 33: ... distances when vent termination is located more than 6 ft 2 M away from an inside corner refer to the appropriate Direct Vent or Non Direct Vent Clearance Table Clearance description when termination is at least 3 ft 1 M away and not more than 6 ft 2 M away from an inside corner Clearance above grade veranda porch deck balcony or anticipated snow level 12 in 305 mm Clearance to a permanently clos...

Страница 34: ...35 000 BTUh There are no additional restrictions on unobstructed distances greater than 8 ft 2 4 M All single two pipe and concentric vents may be used providing all other Code and manufacturer s requirements in these instructions are adhered to Refer to the appropriate Vent Termination section above for locating the vent termination If the unobstructed distance from the foundation to the property...

Страница 35: ...echanical air supply inlet 6 ft 1 8 M 3ft 9 M above if within 10 ft 3 M horizontally L Clearance under a veranda porch deck or balcony 12 in 305 mm Permitted only if veranda porch deck or balcony is fully open on a minimum of two sides beneath the floor See Note 4 Manufacturer s Recommendation See Notes 3 8 M Clearance to each side of the centerline extended above or below vent terminal of the fur...

Страница 36: ...ommendation See Note 8 K Clearance to a mechanical air supply inlet 6 ft 1 8 M 3ft 9 M above if within 10 ft 3 M horizontally L Clearance under a veranda porch deck or balcony 12 in 305 mm Permitted only if veranda porch deck or balcony is fully open on a minimum of two sides beneath the floor See Note 4 Manufacturer s Recommendation See Notes 3 8 M Clearance to each side of the centerline extende...

Страница 37: ... vent length Include deductions from the Maximum Equivalent Vent Length MEVL contained in the Venting Tables for elbows and flexible vent pipe Factory accessory concentric vent terminations or pipe lengths and elbows used for standard vent terminations do not require a deduction from the Maximum Equivalent Vent Length See vent termination figures associated with Table 13 NOTICE OPTIONAL CONFIGURAT...

Страница 38: ...3 and note the Maximum Equivalent Vent Length MEVL shown for that application for that specific furnace input size Compare the Total Equivalent Vent Length TEVL to the MEVL 8 If the Total Equivalent Vent Length is shorter than the Maximum Equivalent Vent Length for the diameter of pipe chosen then that diameter of pipe selected may be used 9 If the Total Vent Length is longer than the Maximum Equi...

Страница 39: ...or installations requiring 4 in 102 mm diameter pipe 9 A running Tee in the Combustion Air Pipe adds 0 ft to the TEVL of the vent length Single Stage 92 Ft Unit Size 40 000 1 60 000 2 80 000 100 000 3 120 000 3 Altitude feet Pipe Dia in 1 2 2 1 2 2 3 1 2 2 3 4 2 2 3 4 2 3 4 0 2000 20 85 185 20 100 175 200 15 55 130 175 200 20 80 175 200 10 75 185 2001 3000 15 80 175 95 165 185 10 49 125 165 185 15...

Страница 40: ... A11310A UPFLOW VERTICAL VENT Fig 53 Upflow Configurations Appearance may vary See Notes for Venting Options A11311A DOWNFLOW LEFT CONFIGURATION WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death To route the vent pipe and combustion air pipe through the furnace the manufacturer supplied kit must be used Failure to properly seal the blo...

Страница 41: ...LEFT RIGHT VENT CONFIGURATION Fig 55 Horizontal Left Appearance may vary See Notes for Venting Options A11337 HORIZONTAL RIGHT VERTICAL VENT CONFIGURATION A11336 HORIZONTAL RIGHT LEFT VENT CONFIGURATION 1 2 3 4 5 6 7 5 Rotate vent elbow to required position Any other unused knockout may be used for combustion air connection Requires Accessory Internal Vent Kit See Product Data for current kit numb...

Страница 42: ...0 30 25 20 40 15 10 5 15 15 10 5 20 15 15 10 20 20 15 10 Winter Design Temp F Unit Size 80 000 BTUH Uninsulated 3 8 in Insulation 1 2 in Insulation Pipe Dia in 1 2 2 3 4 1 2 2 3 4 1 2 2 3 4 20 15 40 40 35 30 15 50 90 75 65 15 50 70 70 70 0 15 20 15 10 5 15 50 45 35 30 15 50 50 40 35 20 15 10 5 15 35 30 20 15 15 40 30 25 15 40 10 5 15 25 20 15 5 15 30 25 20 10 Winter Design Temp F Unit Size 100 000...

Страница 43: ... adapter 2 Align the screw holes in the plastic vent pipe adapter with the dimples in the casing Winter Design Temp C Unit Size 80 000 BTUH Uninsulated 3 8 in Insulation 1 2 in Insulation Pipe Dia mm 38 51 64 76 102 38 51 64 76 102 38 51 64 76 102 7 4 6 12 2 12 2 10 7 9 1 4 6 15 2 27 4 22 9 19 8 4 6 15 2 21 3 21 3 21 3 18 4 6 6 1 4 6 3 0 1 5 4 6 15 2 13 7 10 7 9 1 4 6 15 2 15 2 12 2 10 7 29 4 6 3 ...

Страница 44: ...etal hanging strap or commercially available hangars or straps designed to support plastic pipe Table 16 Hanger Spacing 17 Slope the vent and combustion air piping downward towards furnace A minimum slope of at least 1 4 in 6 mm per linear ft 1 in 25 mm per 4 ft 1 2 M with no sags between hangers is required See Caution Box below 18 Complete the vent and combustion air pipe installation by connect...

Страница 45: ...installing it through hole Disassemble loose pipe fittings Clean and cement using same procedures as used for system piping DO NOT CEMENT POLYPROPYLENE FITTINGS Two Pipe and Single Pipe Terminations Single and two pipe vent must be installed as shown in Fig 39 and Fig 40 Maintain the required separation distance between vents or pairs of vents as shown in Fig 39 and Fig 40 and all clearance shown ...

Страница 46: ...ith the slots on inside outlet of the inducer assembly 3 Snap the outlet restrictor in place 4 Re install the vent elbow 5 Torque vent elbow clamp 15 lb in Venting System Length Calculations The Total Equivalent Vent Length TEVL for EACH combustion air or vent pipe equals the length of the venting system plus the equivalent length of elbows used in the venting system from Table 14 Standard vent te...

Страница 47: ...t 4 6 M Example from polypropylene vent manufacturer s instructions Verify from vent manufacturer s instructions Add equiv length of 45º long radius elbows use the highest number of elbows for either the vent or inlet pipe 0 x 0 ft 0 M Add equiv length of factory concentric vent term 9 x 3 3 ft 0 9 M 30 ft 9 M Add correction for flexible vent pipe if any 2 x 20 ft 6 1 M 40 ft 12 2 M VERIFY FROM VE...

Страница 48: ...r altitude The gas input rate on rating plate is for installations at altitudes up to 2000 ft 609 6M CAUTION UNIT OPERATION HAZARD Failure to follow this caution may result in intermittent unit operation or performance satisfaction Condensate trap must be PRIMED or proper draining may not occur The condensate trap has two internal chambers which can ONLY be primed by pouring water into the inducer...

Страница 49: ...nd at the electric switch on the gas valve 2 Loosen set screw on inlet tower pressure tap no more than one full turn with a 3 32 in hex wrench or remove the 1 8 in NPT plug from the inlet pressure tap on the gas valve 3 Connect a manometer to the inlet pressure tap on gas valve 4 Turn on furnace power supply 5 Turn gas supply manual shutoff valve to ON position 6 Turn furnace gas valve switch to O...

Страница 50: ...to obtain input rate NOTICE DO NOT set manifold pressure less than 2 8 in w c 697 Pa or more than 3 8 in w c 947 Pa for natural gas If required manifold pressure is outside this range change main burner orifices to obtain manifold pressure in this range ON OFF Switch Regulator Seal Cap Regulator Adjustment Regulator Seal Cap under Cap 1 2 NPT Outlet 1 8 NPT Manifold Pressure Tap 1 8 NPT Inlet Pres...

Страница 51: ...44 3 6 950 44 3 1 44 3 2 44 3 3 44 3 4 750 42 3 3 42 3 4 42 3 5 42 3 6 4001 775 43 3 7 43 3 8 42 3 3 42 3 4 1220 800 43 3 5 43 3 6 43 3 7 43 3 8 825 44 3 8 43 3 4 43 3 5 43 3 6 850 44 3 5 44 3 7 44 3 8 43 3 4 5000 875 44 3 3 44 3 5 44 3 6 44 3 7 1524 900 44 3 2 44 3 3 44 3 4 44 3 5 925 44 3 0 44 3 1 44 3 2 44 3 3 725 42 3 2 42 3 3 42 3 4 42 3 5 5001 750 43 3 7 43 3 8 42 3 2 42 3 3 1525 775 43 3 4 ...

Страница 52: ...avoid component damage Refer to the Air Delivery Tables to determine which airflows and settings are allowed for proper heating airflow DO NOT use the highlighted settings for Heating airflow The highlighted settings are to be used for Cooling and Continuous Fan ONLY PINS 1 AND 2 2 AND 3 3 AND 4 4 AND 5 Time in sec 90 120 150 180 Table 21 Air Delivery CFM With Filter FURNACE SIZE SPEED TAPS Functi...

Страница 53: ...and W wires at wall See Fig 64 3 Record amp draw across terminals when furnace is in low heat and after blower starts 4 Set heat anticipator on thermostat per thermostat instructions and install on subbase or wall 5 Install blower access door Electronic thermostat Set cycle rate for 3 cycles per hr A96316 Fig 64 Amp Draw Check with Ammeter 0802120 Gray 5 6 Cooling Do not use for heating 2020 1965 ...

Страница 54: ...er manufacturer s instructions 8 Review Owner s Manual with owner 9 Attach entire literature packet to furnace SERVICE AND MAINTENANCE PROCEDURES Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters All other operations must be performed by trained service personnel A qualified service person should inspect the furnace once a year General These ins...

Страница 55: ...components to run for a short time except the gas valve and humidifier terminal HUM are not energized The EAC 1 terminal is energized when the blower is energized This feature helps diagnose a system problem in case of a component failure The component test feature will not operate if any thermostat signal is present at the control and not until all time delays are completed To Begin Component Sel...

Страница 56: ...nsure long life economy and high efficiency clean accumulated dirt and grease from blower wheel and motor annually The inducer and blower motors are pre lubricated and require no additional lubrication These motors can be identified by the absence of oil ports on each end of the motor The following items should be performed by a qualified service technician Clean blower motor and wheel as follows ...

Страница 57: ...otor mounting bolts to 40 10 lb in when reassembling 10 Torque blower wheel set screw to 160 20 lb in when reassembling 11 Verify that blower wheel is centered in blower housing and set screw contacts the flat portion of the motor shaft Loosen set screw on blower wheel and reposition if necessary 12 Spin the blower wheel by hand to verify that the wheel does not rub on the housing 13 Reinstall blo...

Страница 58: ...h the slots in the burner assembly and slide the burners forward until they are fully seated in the burner assembly 4 Align the orifices in the manifold assembly with the support rings on the end of the burner 5 Insert the orifices in the support rings of the burners NOTE If manifold does not fit flush against the burner do not force the manifold on the burner assembly The burners are not fully se...

Страница 59: ... and collector box is required Verify a condensate trap gasket is included in the service kit or obtain one from your local distributor 1 Disconnect power at external disconnect fuse or circuit breaker 2 Turn off gas at external shut off or gas meter 3 Remove control door and set aside 4 Turn electric switch on gas valve to OFF 5 Disconnect external drain from condensate drain elbow or drain exten...

Страница 60: ...control valve 5 Remove two screws attaching top filler plate and rotate upwards to gain access to screws attaching burner assembly to cell panel 6 Remove screws attaching burner assembly to cell panel See Fig 66 NOTE Burner cover manifold gas valve and burner assembly should be removed as one assembly 7 Clean heat exchanger openings with a vacuum and a soft brush See Fig 69 A11273 Fig 69 Cleaning ...

Страница 61: ... speed the collector box pressure switch contacts LPS close to begin a 15 sec prepurge period The inducer housing pressure switch contacts HPS are ignored until one minute after the gas valve closes b Igniter Warm Up At the end of the prepurge period the Hot Surface Igniter HSI is energized for a 17 sec igniter warm up period c Trial for Ignition Sequence When the igniter warm up period is complet...

Страница 62: ... at COOL speed When the thermostat is satisfied the blower motor BLWM will operate an additional 90 sec on COOL speed before reverting back to continuous blower speed When the R to G circuit is opened the blower motor BLWM will continue operating for an additional 5 sec if no other function requires blower motor BLWM operation 4 Heat pump See Fig 36 and Fig 38 for thermostat connections When insta...

Страница 63: ...s codes Component Test Sequence Gas valve and humidifier will not be turned on Inducer motor will start and remain on until the end of the blower test then off The following components are on for 10 15 seconds each individually hot surface igniter blower speeds FAN if present HEAT COOL Was there a previous status code Go to section below for the flashed status code Does the control respond to W Y1...

Страница 64: ... test Check for 115V between connector P2 HSI and NEUTRAL L2 on the control Was 115V present for the 15 second period Check connections and retry If current is near typical value 4 0 6 0μA DC nominal and burners will not stay on replace control Clean flame sensor with fine steel wool and recheck current Nominal current is 4 0 to 6 0μA DC Is current near typical value Replace electrode Will main bu...

Страница 65: ...rt up Operating and Service and Maintenance Instructions Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations 65 344443 2 Rev D A210135 Fig 72 Wiring Diagram ...

Страница 66: ...ndensate trap Condensate trap elbow Gaskets Inducer Inducer assembly Inducer motor capacitor when used Inducer motor module when used Pressure switch es TO OBTAIN INFORMATION ON PARTS Consult your installing dealer or a licensed Heating and Air Conditioning company of your choice INTERNATIONAL COMFORT PRODUCTS a division of Carrier Corporation LEWISBURG TN 37091 U S A Have available the model numb...

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Carrier N92ESN, Инструкции по установке, запуску, эксплуатации, обслуживанию и техническому обслуживанию

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