International comfort products N9MSE Series, Installation Instructions Manual

Page 1: ...ety alert symbol When you see this symbol on the unit and in instructions or manuals be alert to the potential for personal injury TABLE OF CONTENTS SAFETY CONSIDERATIONS 3 INTRODUCTION 4 CODES AND STANDARDS 4 ELECTROSTATIC DISCHARGE PRECAUTIONS PROCEDURE 5 DIMENSIONS 6 LOCATION 7 LOCATION RELATIVE TO COOLING EQUIPMENT 9 AIR FOR COMBUSTION AND VENTILATION 9 CONDENSATE TRAP 12 INSTALLATION 19 UPFLO...

Page 2: ... 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 of local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless u...

Page 3: ...thing and work gloves Have a fire extinguisher available Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit CAUTION CUT HAZARD Failure to follow this caution may result in personal injury Sheet metal parts may have sharp edges or burrs Use care and wear appropriate protective clothing safety glasses and gloves when handling parts ...

Page 4: ...mes with manufacturer approved accessory The conversion kit is required for use with both natural and propane gas The furnace must also be installed on a factory supplied accessory combustible floor base or evaporator coil casing This furnace is designed for minimum continuous return air temperature of 60 F 15 C db or intermittent operation down to 55 F 15 C db such as when used with a night setba...

Page 5: ...ersonnel and hand tools which are held during the procedure These precautions will help to avoid exposing the control to electrostatic discharge by putting the furnace the control and the person at the same electrostatic potential 1 Disconnect all power to the furnace Multiple disconnects may be required DO NOT TOUCH THE CONTROL OR ANY WIRE CONNECTED TO THE CONTROL PRIOR TO DISCHARGING YOUR BODY S...

Page 6: ... 55 0401712 17 1 2 445 15 7 8 403 16 406 8 3 4 222 134 61 0601410 14 3 16 361 12 1 2 319 12 9 16 322 7 1 8 181 127 57 0601714 17 1 2 445 15 7 8 403 16 406 8 3 4 222 144 65 0801716 17 1 2 445 15 7 8 403 16 406 8 3 4 222 154 69 0802120 21 533 19 3 8 492 19 1 2 495 10 1 2 267 162 73 1002114 21 533 19 3 8 492 19 1 2 495 10 1 2 267 169 76 1002120 21 533 19 3 8 492 19 1 2 495 10 1 2 267 169 76 1202420 2...

Page 7: ...hipped in the main blower compartment See Table 2 for loose parts bag contents This furnace must be installed so the electrical components are protected from water not be installed directly on any combustible material other than wood flooring refer to SAFETY CONSIDERATIONS be located close to the chimney or vent and attached to an air distribution system Refer to Air Ducts section be provided ampl...

Page 8: ...d in a residential garage the burners and ignition sources must be located at least 18 in 457 mm above the floor The furnace must be located or protected to avoid damage by vehicles When the furnace is installed in a public garage airplane hangar or other building having a hazardous atmosphere the furnace must be installed in accordance with the NFPA 54 ANSI Z223 1 2012 or CAN CSA B149 1 2010 See ...

Page 9: ...n and dilution air must be provided in accordance with U S Installations Section 9 3 of the NFPA 54 ANSI Z223 1 2012 Air for Combustion and Ventilation and applicable provisions of the local building codes Canadian Installations Part 8 of CAN CSA B149 1 2010 Venting Systems and Air Supply for Appliances and all authorities having jurisdiction CAUTION FURNACE CORROSION HAZARD Failure to follow this...

Page 10: ...greater than 0 10 ACH Infiltration rates greater than 0 60 ACH shall not be used The minimum required volume of the space varies with the number of ACH and shall be determined per Table 4 or Equations 1 and 2 Determine the minimum required volume for each appliance in the space and add the volumes together to get the total minimum required volume for the space Table 4 Minimum Space Volumes were de...

Page 11: ...tdoor openings shall be sized as follows a Calculate the Ratio of all Indoor Space volume divided by required volume for Indoor Combustion Air Method b Outdoor opening size reduction Factor is one minus the Ratio in a above c Minimum size of Outdoor openings shall be the size required in Outdoor Combustion Air Method above multiplied by reduction Factor in b above The minimum dimension of air open...

Page 12: ...flow Orientation When the furnace is installed in the upflow position it is not necessary to relocate the condensate trap or associated tubing Refer to Figure 8 for upflow condensate trap information Refer to Condensate Drain section for information how to install the condensate drain Condensate Trap Downflow Orientation When the furnace is installed in the downflow position the condensate trap wi...

Page 13: ... only some models may vary in appearance Downflow Trap Configuration A11587LB Install the two plugs previously removed on the open ports of the collector box Connect relief tube to port on collector box Rotate elbow to desired position and tighten clamp to 15 lb in Slide tube in stand offs to adjust length Connect the new pressure switch tube from Loose Parts bag to port on front pressure switch R...

Page 14: ...s below the side of the casing in the horizontal position A minimum of 2 in 51 mm of clearance is required between the casing side and the furnace platform for the trap to extend out of the casing in the horizontal position Allow at least 1 4 in per foot 20mm per meter of slope down and away from the furnace in horizontal sections of drain line To Relocate the Condensate Trap Remove the knockout i...

Page 15: ... Representative drawing only some models may vary in appearance Install plug on open port of collector box Figure 11 Unconverted Factory Configuration as viewed in the Horizontal Left Orientation A11574LA If alternate vent position is required 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 re...

Page 16: ...to prevent freezing of the condensate and possible property damage Special precautions MUST be made if installing furnace in an area which may drop below freezing This can cause improper operation or damage to the equipment If the furnace environment has the potential of freezing the drain trap and drain line must be protected A self regulating shielded and waterproof heat tape rated at 3 to 6 wat...

Page 17: ...the rubber drain elbow by cutting the elbow along the vertical line located about 1 3 8 in 35 mm away from the formed grommet See Figure 13 DO NOT DISCARD THE FORMED GROMMET OR THE RUBBER ELBOW Both of these pieces will be used Assemble and route the drain line to the opposite side of the furnace as detailed below 5 Remove the knock out from the left side of the casing See Figure 13 for suggested ...

Page 18: ...tall the drain trap grommet in the casing if required for direct vent applications If necessary remove the trap install the grommet and re install the trap 5 Remove the pre formed rubber drain elbow and two spring clamps from the loose parts bag 6 Connect the full or modified elbow and or grommet to the outlet of the condensate trap with one spring clamp Avoid misalignment of the drain pipe which ...

Page 19: ...size that the heat exchanger can be viewed for possible openings using light assistance or a probe can be inserted for sampling the air stream The cover attachment shall prevent leaks Connect supply air duct to flanges on furnace supply air outlet Bend flange upward to 90 with wide duct pliers See Figure 22 The supply air duct must be connected to ONLY the furnace supply outlet air duct flanges or...

Page 20: ...NFLOW INSTALLATION NOTE The furnace must be pitched as shown in Figure 18 for proper condensate drainage Supply Air Connections NOTE For downflow applications this furnace is approved for use on combustible flooring when any one of the following two accessories are used see specification sheets for list of approved accessories Special Base NAHA01101SB Cased Coil Assembly EAM4X END4X ENW4X 1 Determ...

Page 21: ...AZARD A failure to follow this warning could cause personal injury death and or property damage Never connect return air ducts to the back of the furnace Follow instructions below The return air duct must be connected to return air opening bottom inlet as shown in Figure 27 DO NOT cut into casing sides left or right Bypass humidifier connections should be made at ductwork or coil casing sides exte...

Page 22: ...8 600 Downflow Applications on Combustible Flooring with Coil Assembly or coil box subbase not required 15 1 2 394 19 483 16 1 2 419 20 508 21 533 Upflow Applications on Combustible or Noncombustible Flooring subbase not required 19 1 2 495 21 5 8 549 20 1 8 511 22 1 4 565 Downflow Applications on Noncombustible Flooring subbase not required 19 3 8 492 19 483 20 508 19 5 8 498 Downflow application...

Page 23: ... minor property damage Local codes may require a drain pan under entire furnace and condensate trap when a condensing furnace is used in an attic application or over a finished ceiling The furnace can be installed horizontally in an attic or crawlspace on either the left hand LH or right hand RH side The furnace can be hung from floor joists rafters or trusses or installed on a non combustible pla...

Page 24: ...all prevent leaks Connect supply air duct to flanges on furnace supply air outlet Bend flange upward to 90 with wide duct pliers See Figure 22 The supply air duct must be connected to ONLY the furnace supply outlet air duct flanges or air conditioning coil casing when used DO NOT cut main furnace casing side to attach supply air duct humidifier or other accessories All supply side accessories MUST...

Page 25: ...622 16 x 25 x 3 4 406 x 635 x 19 24 x 25 x 3 4 610 x 635 x 19 Washable Recommended to maintain air filter face velocity See Product Data for part number Refer to the instructions supplied with the Filter Rack or accessory air filter for additional assembly and installation options Filter and Return Duct Sizing Pressure drop must be taken into account when sizing filters filter racks IAQ devices an...

Page 26: ...hable 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 03 9 0 05 12 0 07 18 0 17 43 0 11 28 1000 472 0 04 11 0 06 16 0 09 24 0 22 55 0 15 37 1200 566 0 05 13 0 08 20 0 12 31 0 27 68 0 18 47 1400 661 0 06 15 0 10 24 0 15 38 0 23 58 1600 755 0 06 16 0 11 29 0 18 45 0 28 69 1800 850 0 07 18 0 13 34 0 21 53 2000 944 0...

Page 27: ...s HORIZONTAL TOP RETURN NOT PERMITTED FOR ANY MODEL SIDE RETURN AIR NOT PERMITTED FOR 2000 CFM AND ABOVE OF AIR FLOW L10F034 External Filter Cabinet Configurations Figure 30 Accessory Bottom Filter Rack L10F031 B A 28 7 16 722 2 22 5 16 566 4 2 3 16 55 5 A Table 9 Dimensional Drawing in mm KIT NO FURNACE WIDTH A B NAHB00501FF 14 3 16 360 4 11 3 8 289 14 1 4 362 NAHB00601FF 17 1 2 444 5 14 5 8 371 ...

Page 28: ...ibration Ductwork passing through unconditioned space should be insulated to enhance system performance When air conditioning is used a vapor barrier is recommended Maintain a 1 in 25 mm clearance from combustible materials to supply air ductwork for a distance of 36 in 914 mm horizontally from the furnace See NFPA 90B or local code for further requirements Return Duct Sizing Refer to the Filter S...

Page 29: ... has previously served another gas ap pliance Black iron pipe shall be installed at the furnace gas control valve and extend a minimum of 2 in 51 mm outside the furnace CAUTION FURNACE DAMAGE HAZARD Failure to follow this caution may result in furnace dam age Connect gas pipe to furnace using a backup wrench to avoid damaging gas controls and burner misalignment Table 10 Maximum Capacity of Pipe N...

Page 30: ...ngerous operation serious injury death or property damage Improper servicing could result in dangerous operation serious injury death or property damage Before servicing disconnect all electrical power to furnace When servicing controls label all wires prior to disconnecting Reconnect wires correctly Verify proper operation after servicing WARNING WARNING ELECTRICAL SHOCK HAZARD Failure to follow ...

Page 31: ... be located within sight of the furnace Figure 35 Heating and Cooling Application Single Stage Wiring Diagram A11387 115 V FIELD SUPPLIED DISCONNECT AUXILIARY 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...

Page 32: ... Connect field ground wire and factory ground wire to green ground screw on J Box mounting bracket as shown in Figure 37 7 Connect field power and neutral leads to furnace power leads as shown in Figure 35 8 Attach furnace J Box cover to mounting bracket with screws supplied in loose parts bag Do not pinch wires between cover and bracket 9 Complete external disconnect wiring and installation Conne...

Page 33: ... terminal and C screw terminal on the control board thermostat strip The HUM 24VAC terminal is energized when there is a call for heat W and the pressure switch LPS closes See Figure 40 b HUM Connect an accessory 115VAC EAC and HUM are 1 amp maximum combined humidifier if used to the inch male quick connect HUM terminal and NEUTRAL inch quick connect The HUM terminal is energized when the inducer ...

Page 34: ... Motor ÏÏÏ ÏÏÏ ÏÏÏ ÏÏÏ HEAT OFF DELAY COMPONENT TEST TERMINAL P1 LOW VOLTAGE MAIN HARNESS CONNECTOR TRANSFORMER 24 VAC CONNECTIONS P2 HOT SURFACE IGNITOR HSI INDUCER MOTOR IND CONNECTOR 115 VAC L1 LINE VOLTAGE CONNECTION SPARE1 COM BLUE 115 VAC L2 NEUTRAL CONNECTIONS 24 V THERMOSTAT TERMINALS HUMIDIFIER TERMINAL 24 VAC 0 5 AMP MAX 3 AMP FUSE LED OPERATION DIAGNOSTIC LIGHT 24VAC RED BLOWER SPEED SE...

Page 35: ...s ULC S636 pour l application des composantes Royal Pipe IPEX PVC qui sont certifiées à ce standard Au Canada l apprêt et le ciment doivent être du même fabricant que le système d évacuation L apprêt GVS 65 Purple et le ciment solvant GVS 65 doivent être utilisé avec les Royal Pipe Système IPEX 636 apprêt PVC CPVC Purple pour évacuation des gaz de combustion et système IPEX 636 1 t ciment PVC pour...

Page 36: ...ystems must be composed of pipe fittings cements and primers listed to ULC S636 M G DuraVent PolyPro polyproplylene venting systems are ULC S636 listed NOTE When using polypropylene venting systems all venting materials used including the vent terminations must be from the same manufacturer Venting Systems WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow the instructions outlined below f...

Page 37: ...0 for references to clearances required by National code authorities A combustion air pipe to the outdoors is not required for a single pipe vent system A 12 in 304 mm long pipe with a 2 in 50 mm Nominal Dimension ND tight radius 90 degree elbow is required to be attached to the combustion air pipe adapter on the furnace See Figure 56 This short inlet air pipe helps to ensure stable combustion as ...

Page 38: ...CPVC Fittings Schedule 40 F441 CPVC Pipe Schedule 40 F442 CPVC Pipe SDR F493 For CPVC Solvent Cement For CPVC F628 ABS Pipe Cellular Core DWV at Schedule 40 IPS sizes F656 For PVC Primer For PVC F891 PVC Pipe Cellular Core Schedule 40 DWV Figure 41 Vent Coupling and Adapter with Gaskets Attach gaskets to vent pipe and combustion air adapters A13074 Vent Coupling and Adapter Figure 42 Vent Pipe Flu...

Page 39: ...structions outlined below for each appliance being placed into operation could result in carbon monoxide poisoning or death For all venting configurations for this appliance and other gas appliances placed into operation for the structure provisions for adequate combustion ventilation and dilution air must be provided in accordance with U S A Installations Section 9 3 NFPA 54 ANSI Z223 1 1 2012 Ai...

Page 40: ...tchewan Figure 44 Tee at Termination Outlet A13078A OPTIONAL TERMINATION BRACKET FOR 2 PIPE TERMINATIONS 12 IN 305 MM ABOVE ANTICIPATED SNOW LEVEL 12 IN 305 MM MIN SEPARATION BETWEEN BOTTOM OF COMBUSTION AIR AND BOTTOM OF VENT Figure 45 Sample Inlet Air Pipe Connection for Polypropylene Venting Systems EXAMPLE FOR UPFLOW INSTALLATIONS MAY BE APPLIED TO OTHER CONFIGURATIONS A12220 Figure 46 Vent Te...

Page 41: ... grade whichever is greater Typ At least 36 in 914mm At least 36 in 914mm Side wall termination of less than 12 in 305mm above highest snow level Maintain 12 in 305mm min Clear ance above highest anticipated snow level or grade whichever is greater Typ Concentric Vent and Combustion Air Side Termination Roof Termination Preferred Note A denotes 0 To 2 in 51mm Between the first 2 vents Third vent a...

Page 42: ... tee or the External vent Trap Kit to help prevent contaminants from entering the furnace See Figure 50 The External Vent Trap Kit accessory may be used as a trap for the combustion air inlet pipe if a large amount of moisture must be removed The drain line may be connected to the same drain as the furnace condensate and the evaporator coil condensate line ONLY if the inlet air trap drain and the ...

Page 43: ...easured length and the equivalent length of all the fittings and terminations TEVL recalculate Total Equivalent Vent Length using the next smaller diameter If the Maximum Vent Length is still longer than the longer TEVL of the vent pipe or combustion air pipe then that diameter of pipe selected may be used When installing vent systems with pipe lengths of 10 ft 3 0 M or less use the smallest allow...

Page 44: ... blade screwdriver and tap on the knockout on opposite sides where the knockout meets the casing Fold the knockout down with duct pliers and work the knockout back and forth until it is removed Trim any excess metal from the knockout with tin snips The vent elbow can be rotated to the required location on the casing if necessary See Figure 51 to rotate the vent elbow 1 Loosen the clamp on the inle...

Page 45: ...els may vary in appearance Requires Accessory Internal Vent Kit See Specification Sheets for current kit number DOWNFLOW VERTICAL VENT CONFIGURATION See NOTES following figures Figure 54 Horizontal Left Configurations HORIZONTAL LEFT VERTICAL VENT CONFIGURATION Representative drawing only some models may vary in appearance HORIZONTAL LEFT LEFT VENT CONFIGURATION Representative drawing only some mo...

Page 46: ...rom the furnace vestibule could result in the circulation of carbon monoxide throughout the structure The vent pipe and combustion air pipe must be a continuous pipe while passing through the blower compartment Seals supplied in this kit must be installed per the instructions provided Follow all procedures outlined in these instructions WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow th...

Page 47: ...event condensate from accumulating in the pipes by sloping the combustion air piping and vent piping downward towards furnace a minimum of 1 4 in per linear ft with no sags between hangers 18 Complete the vent and combustion air pipe installation by connecting to the concentric vent or by installing the required termination elbows as shown in Figure 47 and Figure 48 Alberta Figure 44 and Figure 46...

Page 48: ...ons in kit Slide assembled kit with rain shield REMOVED through hole in wall or roof flashing NOTE Do not allow insulation or other materials to accumulate inside of pipe assembly when 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 p...

Page 49: ...shed lines in Figure 47 and Figure 48 rotate vent elbow 90 from position 4 Disassemble loose pipe fittings Clean and cement using same procedures as used for system piping DO NOT CEMENT POLYPROPYLENE FITTINGS Direct Vent Two Pipe System ONLY When two or more furnaces are vented near each other two vent terminations may be installed as shown in Figure 47 but next vent termination or pair of vent te...

Page 50: ...awl Space Vent Termination 3 76 mm 12 305 mm Pipe hangar VentilatedCombustion Air intake termination in crawl space Ventilated Combustion Air intake pipe CRAWL SPACE Figure 58 Attic Vent Termination ATTIC 12 305 mm min above higest level of insulation Vent through roof flashing Ventilated Combustion Air intake pipe L11F016 ...

Page 51: ...y 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 furnace to a dryer or water heater vent or other appliance s vent intake or exhaust 12 in 305 mm 12 in 305 mm N Furnace combustion air i...

Page 52: ...nce 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 furnace to a dryer or water heater vent or other appliance s direct vent intake or exhaust 12 in...

Page 53: ...150 45 7 202 61 6 224 68 3 100 000 NA 17 5 2 94 28 7 205 62 5 229 69 8 120 000 NA NA NA 83 25 3 217 66 1 140 0004 NA NA NA 69 21 0 146 44 5 See notes at end of Venting Tables See Table 16 for altitudes over 4500 ft 1370m Figure 61 Elbows Configurations LONG MEDIUM MITERED L11F082 Figure 62 Vent Terminal Configurations L11F083 CONCENTRIC A13110 STANDARD 2 IN 3 IN OR OPTIONAL 4 IN TERMINATION Table ...

Page 54: ...ludes FOR EACH PIPE 100 feet 30 M of vent pipe 95 feet 28 M of combustion air inlet pipe 3 90º long radius elbows and a polypropylene concentric vent kit Also includes 20 feet 6 1 M of flexible polypropylene vent pipe included within the 100 feet 30 M of vent pipe Assume that one meter of flexible 60mm or 80mm polypropylene pipe equals 1 8 meters of PVC ABS pipe VERIFY FROM VENT MANUFACTURER S INS...

Page 55: ...50 9 182 55 5 120 000 NA NA NA 62 18 9 175 53 3 140 0004 NA NA NA 32 9 8 63 19 2 8001 to 9000 2438 to 2743 40 000 10 3 0 121 36 9 130 39 6 NA NA 60 000 7 2 1 82 25 0 152 46 3 168 51 2 NA 80 000 NA 35 10 7 111 33 8 148 45 1 156 47 5 100 000 NA NA 67 20 4 157 47 9 170 51 8 120 000 NA NA NA 56 17 1 164 50 0 140 0004 NA NA NA 23 7 0 42 12 8 9001 to 10 000 2743 to 3048 40 000 5 1 5 110 33 5 115 35 1 NA...

Page 56: ...6 1 12 8 12 5 10 1 6 4 6 1 21 3 40 2 33 8 27 1 6 1 21 3 47 9 40 5 32 6 20 30 Ft 20 25 23 14 1 20 70 94 77 57 20 70 113 94 71 M 6 1 7 6 7 0 4 3 0 3 6 1 21 3 28 7 23 5 17 4 6 1 21 3 34 4 28 7 21 6 40 40 Ft 20 14 12 3 0 20 70 71 56 38 20 70 86 70 50 M 6 1 4 3 3 7 0 9 0 0 6 1 21 3 21 6 17 1 11 6 6 1 21 3 26 2 21 3 15 2 100 000 20 10 Ft N A 25 99 89 78 N A 25 110 233 265 N A 25 110 235 229 M N A 7 6 30...