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W415-1007 / A / 07.18.12

NOTE

This furnace is approved for installation in attics, alcoves, utility rooms, closets and crawl spaces. If this

furnace is to be installed in a utility room, be sure that it is located in such a way as to allow access for

servicing or the removal of other appliances installed in the room (hot water heater, for example). It is not

permissible to use a rear return on this appliance. use only side and bottom returns.

Figure 1, Table b provides the certified clearances to combustibles and dimensional information. Also see

the appliance rating plate affixed to the furnace for specific model number, serial number and clearance to

combustibles information.

IMPORTANT

ThIS FuRNACE REquIRES A mINImum oF 24” oF FRoNT ClEARANCE FoR SERVICE

puRpoSES. FoR ThIS puRpoSE, SERVICE ClEARANCE TAkES pRECEDENCE oVER

ClEARANCE To CombuSTIblES.

THIS FURNACE IS CERTIFIED FOR INSTALLATION ON COMBUSTIBLE FLOORS. THIS

SHALL BE INTERPRETED AS A WOOD FLOOR ONLY.

THE FURNACE MUST NOT BE INSTALLED DIRECTLY ON CARPETING, OR OTHER

COMBUSTIBLE MATERIAL ExCEPT WOOD.

INSTALLATION ON COMBUSTIBLE MATERIAL CAN RESULT IN FIRE, CAUSING PROPERTY

DAMAGE, PERSONAL INJURY OR DEATH.

THE AREA AROUND THE FURNACE MUST BE KEPT CLEAR AND FREE OF ALL

COMBUSTIBLE MATERIALS INCLUDING GASOLINE AND OTHER FLAMMABLE vAPORS

AND LIqUIDS.

THE HOMEOWNER SHOULD BE CAUTIONED THAT THE FURNACE AREA MUST NOT BE

USED AS A CLOSET OR FOR ANY OTHER STORAGE PURPOSE.

WARNINg

4.4 aIR ConDITIonInG

5.0 CoMbUsTIble CleaRanCes

This furnace may be used as part of an air conditioning system. The furnace wiring and control system is “air

conditioning ready.” There are the following factors to consider:
The air conditioning evaporator coil must be downstream of the heat exchanger. The cooled air passing

over the warmer heat exchanger tubes can cause condensation inside the tubes, resulting in corrosion and

premature failure.
A parallel duct system can be installed to direct the air from the furnace through the evaporator coil only. use

dampers or other means to bypass the heat exchanger. If (summer/winter) dampers are used, they should be

interlocked to prevent system operation unless the dampers are in the full open or full closed position.

Содержание C95 SERIES

Страница 1: ...oline or other ﬂammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Leave the building immediately Immediately call your gas supplier from a neighbour s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call th...

Страница 2: ...8 8 1 4 case 4 furnace located in a confined space outdoor air ducted horizontally 18 9 0 VENTING GUIDELINES 19 9 1 VENT TERMINATION 20 9 2 IN CANADA 21 9 3 IN united states 21 9 4 furnace venting installations 22 9 4 1 non direct vent installation using indoor combustion air one pipe system 22 9 4 2 direct vent installation using outdoor combustion air two pipe system 22 9 4 3 combustion air 22 1...

Страница 3: ...d NOTE Changes other than editorial are denoted by a vertical line in the margin 13 0 CONVERSIONS 37 13 1 CONVERSION STEPS 37 13 2 checking the inlet gas pressure 37 13 3 setting the manifold gas pressure 38 13 4 checking furnace input 39 14 0 electrical specifications 40 14 1 electrical wiring and connections 40 14 2 furnace connection 41 15 0 low voltage wiring 42 15 1 thermostat location 42 16 ...

Страница 4: ...e installing WARNING If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life THIS PRODUCT MUST BE INSTALLED BY A LICENSED PLUMBER OR GAS FITTER WHEN INSTALLED WITHIN THE COMMONWEALTH OF MASSACHUSETTS FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids or other combustible ...

Страница 5: ... leaks to check all connections as specified in Section 12 of this manual Gas Supply and Piping 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 listed on the furnace rating plate and as specified in Sections 3 6 and 18 of this manual Furnace Sizing Ductwork and Airflow 7 Whe...

Страница 6: ...ation of fiberglass particles is associated with respiratory disease including cancer Natural gas and propane are normally odorized by the fuel supplier In some cases the odorant may not be perceivable Installation of UL and ULC recognized fuel gas detectors installed in accordance with their manufacturer s instructions is recommended as an additional margin of safety The exhaust gases from this f...

Страница 7: ...67 21 5 7 51 7 7 51 7 8 2 7 21 9 17 TABLE A FURNACE DIMENSIONS inches TOP LEFT SIDE RIGHT SIDE 0 Top NOTES S Service clearance 24 inches or more C Combustible floor but not carpet or non ceramic tile All models approved for closet installation INPUT OUTPUT Width Depth Height Supply Air Return Air K Btu hr K Btu hr A B C F x G D x E 45 43 17 29 32 7 8 16 x 19 14 x 22 60 57 17 29 32 7 8 16 x 19 14 x...

Страница 8: ...etc Many of the older furnaces were equipped with large belt drive blower systems operating at low RPM s If replacing an existing furnace be sure that the existing ductwork can handle the amount of airflow necessary for a reasonable temperature rise Most older gas furnaces operated with a system temperature rise of 70 100 F This furnace is designed to be operated with a system temperature rise T o...

Страница 9: ...he rear of the furnace be elevated 1 4 higher than the front to facilitate proper condensate drainage 6 If the furnace is being installed so that the return air will enter through the bottom the perimeter of the furnace must be properly supported 7 When installed in the horizontal position the furnace may be supported from the bottom or suspended Figure 3 8 In upflow right venting configuration fu...

Страница 10: ... the furnace be elevated 1 4 higher than the front to facilitate proper condensate drainage If the furnace and air conditioner is located above a finished space install a drain pan underneath the unit 4 3 installation in upflow downflow or horizontal positions Airplane Glue and similar adhesives and cements Ammonia as commonly found in permanent wave solutions used in hair dressing salons Anti sta...

Страница 11: ...ECTLY ON CARPETING OR OTHER COMBUSTIBLE MATERIAL EXCEPT WOOD INSTALLATION ON COMBUSTIBLE MATERIAL CAN RESULT IN FIRE CAUSING PROPERTY DAMAGE PERSONAL INJURY OR DEATH THE AREA AROUND THE FURNACE MUST BE KEPT CLEAR AND FREE OF ALL COMBUSTIBLE MATERIALS INCLUDING GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS THE HOMEOWNER SHOULD BE CAUTIONED THAT THE FURNACE AREA MUST NOT BE USED AS A CLOSET OR FOR...

Страница 12: ... TO BE ROUTED THROUGH JOIST SPACES THAT ARE USED FOR RETURN AIR PURPOSES DO NOT USE JOIST SPACES FOR RETURN AIR PURPOSES IF THE JOIST SPACE ALREADY CONTAINS PLUMBING STACKS CHIMNEY COMPONENTS ETC UNLESS THE PORTION USED FOR RETURN AIR PURPOSES CAN BE COMPLETELY ISOLATED FROM PORTIONS WITH OTHER USAGES NEVER ALLOW THE PRODUCTS OF COMBUSTION FROM THE FLUE TO ENTER THE RETURN AIR OR SUPPLY AIR DUCTWO...

Страница 13: ...ity for air filter removal 5 If an air conditioning evaporator coil is required position it on the supply air side of the furnace Ensure that no air can bypass the evaporator coil 6 Connect the supply air plenum to the supply air outlet FLEXIBLE DUCT CONNECTORS are an effective device to prevent the telegraphing of mechanical noise from the furnace to other parts of the home via the ductwork If us...

Страница 14: ...entified as such on the material The first 3ft 900mm of venting must be readily available for visual inspection Specified primers and glues of the certified vent system must be from a single system manufacture and not intermixed with other system manufacture s vent system parts The components of the certified vent system must not be interchanged with other vent systems or unlisted pipe and or fitt...

Страница 15: ...ndry rooms Furnaces in hobby or craft rooms Furnaces installed near chemical storage areas Exposure to the following substances in the combustion air supply but not limited to the following will also require OUTDOOR AIR for combustion Aerosols particularly CFC based or propelled aerosols Air fresheners Airplane Glue and similar adhesives and cements Ammonia as commonly found in permanent wave solu...

Страница 16: ...8 1 2 case 2 furnace located in a confined space A confined space any space smaller than the minimums discussed in Case 1 must have two air openings one within 12 of the ceiling and the other within 12 of the floor The air openings must be sized based on whether the combustion and ventilation air is being taken from indoors or outdoors the method outdoor air if used is introduced and taking into a...

Страница 17: ...those of the furnace IMPORTANT If an exhaust fan fireplace clothes dryer or any similar device is present in the indoorareafrom which the combustionand ventilationair will be drawn negative pressure could be a problem if natural infiltration from the outdoors does not match the rate at which air is exhausted TABLE 2 VERTICAL AIR SUPPLY CASE 3 Input Free Area Round Pipe Size K Btu hr Ea Opening 45 ...

Страница 18: ... obtain sufficient combustion and ventilation air the duct could be an equivalent rectangular duct 8 x 7 for example Based on 50 free area for the inlet grills the actual grill size would have to be 14 x 8 or its equivalent A transition may be used to reduce to the smaller duct size if necessary IMPORTANT The outdoor grills must be installed in a location where the will not be obstructed in any ma...

Страница 19: ...used as long as there is no heat tape applied to the vent pipe For horizontal runs where water may collect wrap the vent pipe with self regulating 3 or 5 watt heat tape The heat tape must be CSA UL or ULC listed and installed per the manufacturer s instructions This includes travel through unconditioned attic space DO NOT COMMON VENT WITH ANY OTHER APPLIANCE If venting vertically do not vent up a ...

Страница 20: ...ws Avoid locating the terminal in locations where dripping condensate may cause problems such as sidewalks patios above planters near windows where exhaust gases may cause fogging etc Avoid locating the termination too close to shrubs and other vegetation The condensate may stunt or kill them Equivalents Short Sweep 7 feet Long Sweep 5 feet 45 Elbow 3 feet TABLE 4 direct and non direct VENT LENGTH...

Страница 21: ...tally of the center line of the regulator Within 6 feet of any service regulator vent outlet Less than 12 above grade level or anticipated snow level Within 12 of any door window or non mechanical air supply inlet to any building Within 12 of the combustion air inlet of any other appliance Underneath a veranda porch or deck unless a the veranda porch or deck is fully open on a minimum of two sides...

Страница 22: ...pecial kit or modifications are required for direct vent installations Dedicated combustion air and vent piping eliminates the need to use already heated air for combustion purposes The probability of corrosive contaminants being present in the combustion air is greatly reduced The direct vent configuration is unaffected by any other appliances exhaust fans or other devices that tend to create neg...

Страница 23: ...circulation of the exhaust Figure 9 VERTICAL No termination fitting is required if venting vertically through a roof The end of the exhaust pipe must be 12 higher than the entrance of the combustion air intake terminal Figure 11 The exhaust pipe extending through the roof must extend a minimum of 18 above any obstruction within an 18 horizontal distance Insulate all venting that extends 24 or more...

Страница 24: ... requires dedicated combustion air and exhaust venting If more than two furnaces are being installed in close proximity each additional combustion air intake and exhaust termination set shall not terminate less than 12 in 300 mm apart Note Canadian installations of 120000 Btu hr require 3 ft 900 mm Recirculation of flue gases may occur causing the intake pipe to freeze shut during cold weather ope...

Страница 25: ...W415 1007 A 07 18 12 25 FIGURE 14A direct vent terminal clearances ...

Страница 26: ...W415 1007 A 07 18 12 26 FIGURE 14b non direct vent terminal clearances ...

Страница 27: ...r combustion devices be completely isolated from the room unless indirect vent Ensure that the combustion door gasket is in good condition Orientation ROTATE EXHAUSTER SEE FIGURES 16 19 FOR RECOMMENDED MOUNTING FURNACE Flue Down Left Y Down Right Y Up Left Y Up Right Y Up Vertical N Horz Left Vertical Y Horz Left Vertical N Horz Right Vertical Y Horz Right Right N This furnace can be installed in ...

Страница 28: ...d refer to Exhauster Rotation Instructions section if necessary 2 Remove the 3 plastic vent cap if required and cover vent hole not in use Install rubber grommet in parts bag for 2 vent pipe Connect vent pipe field supplied If using 1 or 3 vent make transition as close as possible to the unit and on a vertical section 3 Remove the plastic air inlet cap and connect the 2 PVC air intake connector wi...

Страница 29: ...ion then the combustion compartment and can pull combustion air from the burners and cause incomplete combustion and erratic furnace operation WARNING FIGURE 16 upflow vent and draining option left vent INSTALLATION top vent INSTALLATION note Trap can be installed on the left or right side of the unit Only left side install pictured IMPORTANT PRIME CONDENSATE TRAP WITH WATER AND CUT DRAIN HOSES TO...

Страница 30: ...ATER AND CUT DRAIN HOSES TO PROPER LENGTH CUT PRESSURE SWITCH TUBING TO PROPER LENGTH FIGURE 17 horizontal left vent and draining option left vent INSTALLATION top vent INSTALLATION FIGURE 16 upflow vent and draining option CONTINUED IMPORTANT PRIME CONDENSATE TRAP WITH WATER AND CUT DRAIN HOSES TO PROPER LENGTH CUT PRESSURE SWITCH TUBING TO PROPER LENGTH ...

Страница 31: ... AND CUT DRAIN HOSES TO PROPER LENGTH CUT PRESSURE SWITCH TUBING TO PROPER LENGTH FIGURE 19 downflow vent and draining option left vent installation right vent installation note Upflow Vent Right condensate trap must be installed on left side IMPORTANT PRIME CONDENSATE TRAP WITH WATER AND CUT DRAIN HOSES TO PROPER LENGTH CUT PRESSURE SWITCH TUBING TO PROPER LENGTH ...

Страница 32: ...not run the condensate line through areas where freezing might occur Freezing of condensate can result in erratic furnace operation and in property damage CAUTION IMPORTANT The condensate drain trap assembly should be full of water primed before starting the furnace To fill the condensate drain trap assembly temporarily remove the vent drain hose from the exhauster assembly elbow drain fitting and...

Страница 33: ...ng with CPVC use the hose Slide the appropriate hose over the condensate trap outlet and cut it flush with the end of the outlet The remaining rubber should be flush with the end of the outlet on the con den state trap The remaining hose is sufficient length to accommodate all furnace orientations FIGURE 22 FIGURE 23 3 A PVC coupling or adapter will fit snug over the rubber hose A CPVC coupling or...

Страница 34: ...condensate neutralizers Some local codes may require the use of a condensate neutralizer If the furnace condensate is to be routed to a septic system it may be advisable to use a condensate neutralizer When condensate neutralizers are used it is advisable to install it with an overflow bypass tube 4 If extra security is desired it is recommended to secure a strip of strapping around the drain Util...

Страница 35: ...s 12 2 gas piping In Canada the gas piping should be installed in accordance with CAN CSA B149 1 and 2 and in accordance with any local codes In the United States the gas piping should be installed in accordance with NFGC NFPA 54 ANSI Z223 1 and any local codes If local codes allow the use of a flexible gas appliance connector always use a new listed connector Do not use a connector which has prev...

Страница 36: ...rating at maximum conditions IMPORTANT Do not exceed 13 w c inlet pressure with either fuel The gas valve has two adjustable internal regulators for controlling burner manifold pressure Burner manifold high fire and low fire pressures are listed on the furnace rating plate 12 4 LEAK TESTING All new gas piping installations should be pressure tested as specified by CAN CSA B149 1 2 or NFPA 54 ANSI ...

Страница 37: ... 6000 7000 52 61 7000 8000 53 62 8000 9000 54 63 9000 10000 55 65 Gas input ratings are certified for elevations to 2000 ft For elevations above 2000 ft reduce ratings 2 for each 1000 ft above sea level Refer to Conversion NG to LP Kit W370 0018 for complete instruction TABLE 6a HIGH ALTITUDE SPECIFICATIONS U S A Input K Btu hr ALTITUDE FT ORIFICE size DMS NATURAL LP GAS 45 0 2000 50 57 2000 3000 ...

Страница 38: ...er to the furnace 7 Using a leak detection solution or soap suds check for leaks at pressure boss screw Bubbles forming indicate a leak SHUT OFF GAS AND FIX ALL LEAKS IMMEDIATELY 8 Turn gas back on and test inlet pressure boss with leak detector 9 If working on a natural gas system contact the gas utility They may insist on any service regulator adjustments being made by their own staff If problem...

Страница 39: ...6 Since heating values for the gas vary geographically the actual furnace input and output will vary accordingly For example natural gas with a 900 Btu ft heating value will reduce the input to 90 of the rated input Natural gas with a 1100 Btu ft heating value will increase the input to approximately 110 of the rated input This is not usually a problem however adjustments to compensate for this ca...

Страница 40: ...LECTRICAL JUNCTION BOX DO NOT USE GAS PIPING AS A GROUND FAILING TO GROUND THE FURNACE PROPERLY CAN RESULT IN ELECTRIC SHOCK RESULTING IN PERSONAL INJURY OR DEATH WARNING 3A FUSE 24 VAC MOLEX THERMOSTAT TERMINALS STATUS LED 24 VAC MOTOR SIGNAL TERMINALS 120 VAC NEUTRAL CONNECTIONS 120 VAC MOLEX POWER HUMIDIFIER TERMINAL ELECTRONIC AIR CLEANER TERMINAL FAULT CODE BUTTON In Canada all electrical wor...

Страница 41: ...ire to be connected with L2 the Neutral and a GREEN wire to be connected to the ground see Fig 31 If the junction box must be moved from it s original location to the other side of the unit 1 Remove the appropriate plastic cap from the desired left or right side panel and place it on the panel not being serviced 2 Secure power line connection into junction box following above reference 3 Fasten th...

Страница 42: ...wires in excess of 25 feet use 16 AWG 50 feet use 14 AWG 15 1 thermostat location The thermostat should be located approximately 5 feet above the floor on an inside wall where there is good natu ral air circulation and where the thermostat will be exposed to average room temperatures Avoid locations where the thermostat will be exposed to cold drafts heat from nearby lamps or appliances exposure t...

Страница 43: ...al fractional horsepower PSC blower motor Connect the neutral wire to a neutral NEUTRAL connection terminal on the furnace control board and the hot LINE leg to the EAC terminal The EAC terminal is powered during any heating or cooling demand and the blower will operate until a new ECM motor can be obtained 16 3 emergency heat mode x13 blower motor 16 0 optional accessories field supplied installe...

Страница 44: ...AMAGE PERSONAL INJURY OR LOSS OF LIFE BEFORE restarting the furnace check all plastic vents and wires for damage WARNING 17 0 startup procedures This furnace is equipped with a HSI Hot Surface Ignition device Each time that the room thermostat calls for heat the HSI lights the main burners directly See the lighting instructions on the furnace 17 1 to start the furnace 1 Remove the burner compartme...

Страница 45: ...tput and leaves the gas energized another 1 second for flame proving If flame is present at the end of trial for ignition time the control leaves the gas valve energized exhauster on and begins heat blower on delay 3 Blower on delay time begins when the gas valve is energized 4 Blower off delay is handled by the control board When the thermostat W call ends the control de energizes the gas valve a...

Страница 46: ...late 4 When the two thermometers have stabilized usually within 5 8 minutes compare the two readings Subtract the return air temperature from the supply air temperature The difference is the temperature rise also called T 5 Compare the measured T to the temperature rise range shown on the rating plate Unless stated differently on the rating plate the temperature rise should normally range between ...

Страница 47: ...plate 18 3 continuous fan operation When the thermostat continuous fan G switch is on without a call for heat or cooling the indoor fan is immediately energized The fan remains energized as long as the call for fan remains without a call for heat or cooling This feature allows continuous circulation of air between calls for heating or cooling If a call for heat W occurs during continuous fan the b...

Страница 48: ...filters can do an effective and excellent filtration of the air however some models may also cause a large pressure drop across the filter The contractor should assess the capabilities of the duct system to deliver sufficient air flow if this type of filter is considered Recommended Electronic air cleaners using electrostatic precipitation to remove dust are an excellent filtration device when use...

Страница 49: ...e ball bearing type motors Neither requires routine lubrication IMPORTANT The motor bearings were pre lubricated by the motor manufacturer Do notattempt to lubricate them Excess lubrication willvoid the warranty shorten the service life of the motors and will attract the buildup of dust and dirt ...

Страница 50: ...d During Trial For Ignition Main Valve Closes Failed Trials For Ignition Less Than Four During This Ignition Sequence Heat Circulating Air Fan On After Programmed Delay Flame Sense Lost Thermostat Call For Heat Ends Main Valve Closes Combustion Air Blower Off After Post Purge 5 Seconds Circulating Air Fan Off After Blower Off Delay Wait For Next Call For Heat Main Valve Closes Flame Sence Lost Mor...

Страница 51: ...ch open 2 Flashes Pressure switch open with exhauster on 3 Flashes Pressure switch closed with exhauster off 4 Flashes Lockout due to too many failed ignition attempts 1 hour lockout 5 Flashes L1 Neutral Polarity problem 6 Flashes Too many limit trips within one call for heat 7 Flashes Pressure switch cycle lockout 8 Flashes Lockout due to too many flame dropouts 9 Flashes Not used 10 Flashes Flam...

Страница 52: ...C LEFT ROLLOUT 24 VAC FLAME SENSOR 24 VAC RIGHT ROLLOUT 24 VAC IND 0 80 PRESSURE SWITCH 24 VAC FMC 0 15 PRESSURE SWITCH 24 VAC C1 G173 R STYLE GROMMET PSC MOTOR BLACK WHITE GREEN JUNCTION BOX 120 VAC W WHITE R RED Y YELLOW BU BLUE BK BLACK 24 VAC 120 VAC P1 P2 NEUTRALS HUM L1 XFMR EAC PARK PARK 45 W R Y BK BU 60 W Y BU BK R 80 W BK BU Y R 100 W BU BK Y R 120 W BK BU Y R HEAT HI COOL 201 1 5 5 7 7 ...

Страница 53: ...ish a replacement part without charge for the part only to replace any part that is found to be defective due to workmanship or materials under normal use and maintenance To make a warranty claim the defective part must be returned to a Continental heating and air conditioning products dealer distributor by a certified or licensed contractor Any part replaced pursuant to this warranty is warranted...

Страница 54: ...5 KIT LARGE FMC WITH GASKETS 100 120 W010 2602 ASSY MOTOR KIT 1 2 HP PSC 45 60 80 W010 2603 ASSY MOTOR KIT 3 4 HP PSC 100 120 W010 2604 ASSY MOTOR KIT 1 3 HP ECM X13 SS 45 W010 2605 ASSY MOTOR KIT 1 2 HP ECM X13 SS 60 W010 2606 ASSY MOTOR KIT 1 2 HP ECM X13 SS 80 W010 2607 ASSY MOTOR KIT 3 4 HP ECM X13 SS 100 W010 2608 ASSY MOTOR KIT 1 HP ECM X13 SS 120 W010 2609 EXHAUSTER SINGLE SPEED W010 2610 B...

Страница 55: ...ted underneath 13 Single Speed Exhauster 4 Single Stage Gas Valve 14 Pressure Switch Assembly 5 Air High Temperature Limit 15 Front Manifold Cover Pressure Tap 3 6 Vent Drain Assembly Coupling 16 PFC Choke Coil required on and 1 Hp units 7 Drain for Recovery Coil 3 with X13 motors 8 Condensate Trap 17 Door Switch and Junction Box 9 Single Stage Integrated Furnace Control IFC 18 Blower Motor 10 Tra...

Страница 56: ...W415 1007 A 07 18 12 56 23 0 service history 43 1 ...

Страница 57: ...W415 1007 A 07 18 12 57 44 1 24 0 notes ...

Страница 58: ...rial No serial number located on bottom of inside door Date Installed Contractor Contact Address Postal Code Zip Code Telephone No After Hours No If different from Installation Contractor Service Tech Telephone No After Hours No Fuel Supplier Gas Supplier Contact Telephone No After Hours No ...

Страница 59: ...energized the HSI output and leaves the gas energized another 1 second for fl ame proving If fl ame is present at the end of the trial for ignition time the control leaves the gas valve energized inducer on high speed and begins heat blower on delay 3 Blower off delay is handled by the control board When the thermostat W call ends the control de energizes the gas valve and starts the blower off de...

Страница 60: ...ce is designed to allow very small amounts of excess air in the combustion process Older furnaces had heat exchangers which were commonly 40 larger than necessary for complete combustion While this prevented the creation of carbon monoxide the heated excess air was expelled up the chimney where it could not benefi t the interior of the home Special safety controls now prevent the formation of carb...

Страница 61: ...diately above the blower assembly Over time it may become coated with dust To clean the recovery coil 1 Turn off electrical power to the furnace 2 Remove the blower access door 3 Remove the screws fastening the blower assembly to the blower division panel 4 Unplug harness from blower division junction box and remove thermostat wires 5 Pull the blower assembly out LABEL ALL WIRES PRIOR TO DISCONNEC...

Страница 62: ...should be free of scale or excessive corrosion BURNERS The burners should be inspected to ensure that they are free of deterioration BE CAREFUL WHEN WORKING ON THE BURNER ASSEMBLY THE HOT SURFACE IGNITER IS FRAGILE AND CAN BREAK EASILY CAUTION The fl ame sensor should be inspected and cleaned with fi ne steel wool or Scotch Brite scrubbing pad The wiring connection should be checked to ensure that...

Страница 63: ...ions on fi lters IF CLEANING RATHER THAN REPLACING THE FILTER UNLESS THE FILTER IS THOROUGHLY WASHED AND DRIED BE SURE THAT THE FILTER IS RE INSTALLED WITH THE AIRFLOW DIRECTION IDENTICAL TO ITS PREVIOUS USE REVERSING THE FILTER WILL CAUSE DUST TRAPPED WITHIN THE FILTER TO BREAK FREE AND RECIRCULATE WITHIN THE DUCT SYSTEM CAUTION 4 2 LUBRICATION The circulating air blower and exhauster motors have...

Страница 64: ...load on the system 4 Arrange the furniture and drapes so that the supply air registers and return air grills are unobstructed 5 If you have a perimeter duct system ideally the warm air should bathe the cold exterior walls Avoid the use of plastic defl ectors on the supply air registers which tend to short circuit the warm air straight into the return air grills These defl ectors are often the caus...

Страница 65: ...l for gas near the fl oor since propane and butane are both heavier than air If after this time you do not smell gas continue to the next step 9 Turn the manual gas valve switch to the ON position 10 Replace the burner access door ensuring that it is properly in place 11 Restore the electric power to the furnace 12 Adjust the thermostat to the desired setting If the thermostat also controls an air...

Страница 66: ...be aware that some insulating materials are combustible Do not allow building insulating materials to come into contact with the furnace 5 Any additions alterations or conversions required in order for the furnace to properly match the application requirements must be done by a qualifi ed installation contractor service agency or gas supplier using factory specifi ed or approved parts 6 Familiariz...

Страница 67: ...w moisture which could freeze to build up in the vent If you see moisture building up in the regulator vent contact your gas supplier OBSTRUCTION OF THE AIR VENT ON AN LP PROPANE CYLINDER OR TANK REGULATOR CAN CAUSE EXPLOSION OR FIRE RESULTING IN PROPERTY DAMAGE SEVERE PERSONAL INJURY OR DEATH YOUR GAS SUPPLIER SHOULD PERIODICALLY INSPECT AND CLEAN THE AIR VENT SCREEN TO PREVENT ANY OBSTRUCTION KE...

Страница 68: ...MED BY A QUALIFIED INSTALLER SERVICE AGENCY OR THE GAS SUPPLIER DEVICES ATTACHED TO EITHER THE VENT OR COMBUSTION AIR INTAKE FOR THE PURPOSES OF EXCEEDING THE LIMITATIONS DESCRIBED IN THE INSTALLATION MANUAL INCLUDING FIELD INSTALLED INDUCED BLOWER FANS HAVE NOT BEEN TESTED AND ARE NOT INCLUDED IN THE DESIGN CERTIFICATION OF THE FURNACE THE MANUFACTURER CANNOT AND WILL NOT SPECULATE ON THE EFFECTS...

Страница 69: ... in fi re or explosion A qualifi ed service agency should be contacted to inspect the furnace and to replace all gas controls control system parts electrical parts that have been wet or the furnace if deemed necessary LEGEND 1 Combustion Air Intake Fitting 11 Burner Assembly 2 Flame Roll Out Switch 2 12 Hot Surface Igniter HSI 3 Flame Sensor 13 Single Speed Exhauster 4 Single Stage Gas Valve 14 Pr...

Страница 70: ... UNSAFE PRACTICES CAUTION DANGER Understand and pay particular attention to the words DANGER WARNING and CAUTION and the following defi ned symbols are used throughout this manual to notify the reader of potential hazards of varying risk levels WARNING SHOULD OVERHEATING OCCUR OR THE GAS BURNERS FAIL TO SHUT OFF CLOSE THE MANUAL GAS VALVE FOR THE FURNACE BEFORE SHUTTING OFF THE ELECTRICAL POWER TO...

Страница 71: ...4 1 AIR FILTER 7 4 2 LUBRICATION 7 4 3 ROUTINE EXAMINATION 8 4 4 FURNACE APPEARANCE 8 4 5 CLEANING 8 4 6 SEQUENCE OF OPERATION ECM X13 AND PSC 10 4 7 VARIATIONS 10 5 0 HOMEOWNER S REFERENCE 11 IMPORTANT Read these instructions thoroughly before attempting to operate this furnace DO NOT DESTROY THIS MANUAL Please read carefully and keep in a safe place for future reference by a service technician ...

Страница 72: ... store or use gasoline or other fl ammable vapors and liquids in the vIcinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Leave the building immediately Immediately call your gas supplier from a neighbour s phone Follow the gas supplier s instructions If you cannot reach your g...

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