ICP *9MPT050F12 Installation Instruction Download Page 36

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440 01 2021 01

furnace will automatically shift to the high Heat mode for the re-

maining duration of the heating cycle.

For

2--stage

thermostat installations, the R, W1 and W2 wires

from the thermostat connect to the R, W1 and W2 connections on

the furnace control. Set TT Dip switch (SW1--3) to ON position.

During operation, the furnace will shift from Low Heat to high Heat

as requested by the thermostat.

Set thermostat heat anticipator in accordance with the

Technical

Support Manual

Heat anticipator setting will need to be measured if 24VAC humidi-

fier is installed. Measure currentin series from R to W1 at the ther-

mostat. Be sure 24VAC humidifier is wired up to control. Allow

furnace to operate for 2 minutes before recording the AC amper-

age reading. Set anticipator on thermostat to recorded value.

Thermostat location has an important effect on the operation of the

furnace. Follow instructions included with thermostat for correct

mounting and wiring.

Low voltage connections to furnace must be made on terminal

board to furnace control. (See

Figure 39

)

If cooling is used, the

Y and G

from the thermostat must be con-

nected to the control board

Y and G

to energize cooling blower

speed.

Optional Equipment

All wiring from furnace to optional equipment

MUST

conform to lo-

cal codes or, in the absence of local codes with the latest edition of

The National Electric Code, ANSI NFPA 70 and/or The Canadian

Electric Code CSA C22.1. Install wiring in accordance with

manufacturer’s instructions. The wiring

MUST

have a minimum

temperature rating of 105

C. codes or, in the absence of local

codes, the applicable national codes. Install wiring in accordance

with manufacturer’s instructions.

Humidifier/Electronic Air Cleaner

The furnace is wired for humidifier and/or electronic air cleaner

connection.

REDUCED FURNACE LIFE HAZARD
Failure to follow caution may result in reduced

furnace life.
Do NOT exceed 115V/1.0 amp. maximum current

load for both the EAC terminal and the HUM

terminal combined.

CAUTION

HUMIDIFIER -- The HUM (115) is energized when the pressure
switch closes on a call for heat. The HUM is energized when
the inducer is energized.

ELECTRONIC AIR CLEANER -- EAC is energized when there
is a blower speed call, except is NOT energized when blower
operates in the hard--wired continuous fan mode.

Furnace Control

The furnace control is preset at the factory with a fixed blower

delay of 30 seconds in the heating mode. The blower

OFF

timing is

preset at 140 seconds. If desired, the fan

OFF

delay can be reset to

obtain the longest delay times while still maintaining comfort lev-

els. See “Furnace Wiring Diagram”.

Dehumidification -- Variable Speed ONLY (*9MPV)

The furnace control is wired for 24 VAC normally--open (N/O) de-

humidistat connection. Connect dehumidistat to the

terminal

and the

male quick connect

Dehum

terminal on the furnace

control (See

Figure 39

and

“Furnace Wiring Diagram”.

) A 20% re-

duction of cooling airflow will occur when the

Dehum

dehumidistat

terminal is energized by being connected to

during a call for cool-

ing from the thermostat.

Low Voltage

Terminal Board

Figure 38

Electrical Connections

NOTE: Junction Box can be mounted to either the left or right side.

25--24--78a

NOTE: 115 VAC/60Hz/single--phase

Operating voltage range*: 127 VAC max, 104 VAC min.

* Permissible limits of voltage at which unit will operate satisfactorily

Connection

Box

Ground

115V. 60 Hz.

Single Stage

Thermostat

Low Voltage

Terminal Board

Two Stage

Thermostat

Furnace Control Fuse

The 24V circuit contains a 5--amp, automotive--type fuse located

on furnace control board. (See

Figure 39

) Any electrical shorts of

24V wiring during installation, service, or maintenance may cause

fuse to blow. If fuse replacement is required, use only a fuse of

identical size (5 amp.)

Summary of Contents for *9MPT050F12

Page 1: ... gas and electrical components Only trained and qualified personnel should install repair or service heating equipment Untrained service personnel can perform basic maintenance functions such as cleaning and replacing air filters All other operations must be performed by trained service personnel When working on heating equipment observe precautions in the literature on tags and on labels attached...

Page 2: ... of Return Air F or C Temp Rise Hi Fire Supply Return F or C Lo Fire Supply Return F or C Filter Type and Size Fan Time ON Setting Fan Time OFF Setting Manual Gas Shut Off Upstream of Furnace Drip Leg YES NO Condensate Drain Connected YES NO Condensate Drain Trapped YES NO Transition Pressure switch hose relocated for U D H Application YES NO Blower Speed Checked YES NO All Electrical Connections ...

Page 3: ...ry heating of buildings or structures under construction This furnace is NOT approved for installation in mo bile homes trailers or recreation vehicles Seal around supply and return air ducts Install correct filter type and size Unit MUST be installed so electrical components are pro tected from direct contact with water Safety Rules Your unit is built to provide many years of safe and dependable ...

Page 4: ...sition box Squeeze the hose together near the end and quickly reconnect the 3 4 OD rubber hose to the stub on the condensate trap Secure with the hose clamp When you return home your furnace will be ready to start as it is not necessary to drain the antifreeze from the furnace 2 Installation CARBON MONOXIDE POISONING HAZARD Failure to properly vent this furnace or other appliances could result in ...

Page 5: ...ial garage installations require Burners and ignition sources installed at least 18 above the floor Located or physically protected from possible damage by a vehicle 10 Local codes may require a drain pan under the entire fur nace and condensate trap when the furnace is installed in attic application This furnace may be used for construction heat provided that all the following conditions are met ...

Page 6: ...ingle Pipe furnace the vent pipe attaches to the furnace through the furnace side panels Note Repositioning of the combustion blower is required for the vent pipe connection to the furnace through the right side panel See Vent and Combustion Air Piping section for further details Horizontal Furnace Installation Inlet Pipe not used on Single Pipe model Typical Horizontal Installation Figure 3 Vent ...

Page 7: ...ottom return or side return Return air through back of furnace is NOT allowed 7 440 01 2021 01 MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS FOR ALL UNITS REAR 0 FRONT combustionairopeningsin furnace and in structure 3 Required For Service 24 ALL SIDES Of SUPPLY PLENUM 1 SIDES 0 VENT 0 TOP OF FURNACE 1 30 clearance recommended for furnace removal Horizontal position Line contact is permissible only ...

Page 8: ...liances MUST be considered when determining free area of open ings 2 Connect ducts or openings directly to outside 3 When screens are used to cover openings they MUST be no less than 1 4 mesh 4 The minimum dimension of rectangular air ducts MUST NOT be less than 3 5 When sizing grille or louver use the free area of opening If free area is NOT stamped or marked on grill or louver as sume a 20 free ...

Page 9: ... Horizontal Ducts sq in 2 000 BTUH Single Opening sq in 3 000 BTUH Two Vertical Ducts or Openings sq in 4 000 BTUH Rd Duct sq in 4 000 BTUH 50 000 25 sq in 16 7 sq in 12 5 sq in 4 75 000 37 5 sq in 25 sq in 18 75 sq in 5 100 000 50 sq in 33 3 sq in 25 sq in 6 125 000 62 50 sq in 41 7 sq in 31 25 sq in 7 EXAMPLE Determining Free Area Furnace 100 000 Furnace 100 000 Water Heater 30 000 Water Heater ...

Page 10: ...ndense excessively in the heat exchanger Excessive condensation will shorten the life of the heat exchanger and possibly void your warranty Venting and Combustion Air Check The following information is supplied to allow the installer to make adjustments to the setup of existing appliances IF REQUIRED based on good trade practices local codes and good judgement of the installer Manufacturer does NO...

Page 11: ...door pools Furnaces installed in laundry rooms Furnaces installed in hobby or craft rooms Furnaces installed near chemical storage areas Permanent wave solutions for hair Chlorinated waxes and cleaners Chlorine based swimming pool chemicals Water softening chemicals De icing salts or chemicals Carbon tetrachloride Halogen type refrigerants Cleaning solvents such as perchloroethylene Printing inks ...

Page 12: ...ssure switch Combustion Air and Vent Piping Insulation Guidelines NOTE Use closed cell neoprene insulation orequivalent IfFiber glass or equivalent insulation is used it must have a vapor barrier Use R values of 7 up to 10 R 11 if exposure exceeds 10 If Fiber glass insulation is used exterior to the structure the pipe MUST be boxed in and sealed against moisture 1 When the vent or combustion air p...

Page 13: ...arances spe cified in followingsteps andas shownin Figure 7 Figure 8 Figure 20 through Figure 27 For Concentric Termination Kit clearances see Figure 30 Figure 31 Figure 32 Figure 33 and Figure 34 in Section 10 in this manual 2 This furnace is Dual Certified and can be installed as a single pipe appliance all combustion from inside the struc ture orasa directventappliancewhere allcombustion airis ...

Page 14: ... 30 cm for appliances 50 000 Btuh 15 kW K Clearance to a mechanical air supply inlet 6 1 83 m 3 91 cm above if within 10 3m horizontally L Clearance under a veranda porch deck or balcony 12 30 cm 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 30 cm 12 30 cm N Clear...

Page 15: ...pply inlet 6 1 83 m 3 91 cm above if within 10 3m horizontally L Clearance under a veranda porch deck or balcony 12 30 cm 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 N Clearance from a plumbing vent stack 3 91 cm 3 91 cm O Clearance above a paved sidewalk or paved ...

Page 16: ...the conden sate drain cannot be maintained See Figure 18 for proper routing and installation of the overflow DO NOT trap the drain line in any other location than at the con densate drain trap supplied with the furnace If possible DO NOT route the drain line where it may freeze The drain line must terminate at an inside drain to prevent freezing of the condensate and possible property damage 1 A c...

Page 17: ... 8 ID grommet in loose parts bag Install the 1 2 CPVC street elbow on discharge of Trap Install the black PVC tube connector 3 4 PVC x 1 2 CPVC from loose parts bag as shown in the illustration above Cut the black Drain Tube 5 8 ID in loose parts bag to length to fit between Trap and tube connector through grommet Clamp both ends of the Drain Tube using clamps provided Glue the CPVC street elbow t...

Page 18: ... Vent Pipe grommet in side of casing Cut an appropriate length of 2 PVC pipe long enough to exit the cabinet and connect the vent drain to either A 2 PVC coupling fastened onto the Drain Tee 9MPT or V models Install Tee trap into bottom of tee Install the 1 2 CPVC street elbow on discharge of Trap Install the black PVC drain connector 3 4 PVC x 1 2 CPVC from loose parts bag as shown in the illustr...

Page 19: ...the lower discharge portofthe ventdrain to the Trap Secure allconnections with clamps Install the vent pipe grommet into the casing Cut an appropriate length of 2 PVC pipe long enough to exit the cabinet and connect the vent drain to either A 2 PVC coupling fastened onto the Drain Tee Install Tee Trap into bottom section of Tee Remove plug fromthe sideofthefurnace casingwhere DrainTube will exit I...

Page 20: ... of the Trap and mount the Trap externally to the left side of the unit using the 2 screws provided Cutthe 5 8 IDcorrugated hose as shown above and fasten the 90 bend end to the Trap and fasten the straight end to the transition drain Secure both connections with clamps Reconnect the 1 2 ID drain hose from the vent drain to the Trap and secure with a clamp In some cases additional length will be r...

Page 21: ...partment and secure with screws Move the caps to the top of the Trap and mount the Trap externally to the right side of the unit using the 2 screws provided Connect the corrugated Drain Tube from the transition box to the Trap as shown Ifan extension is required use the black PVCtube connector and the black 5 8 ID Drain Tube in the loose parts bag Cut tube to length Secure all connections with cla...

Page 22: ...Cut the corrugated tube as shown in the illustration above Con nect the corrugated hose from the transition to the Trap Secure connections with clamps Remove the black 1 2 ID Drain Tube from the Drain Tee Install a yellow cap and clamp over the open drain port of the Drain Tee Connect the black 1 2 ID Drain Tube from the Vent Drain to the Trap Secure connections with clamps Connect the 3 16 ID rel...

Page 23: ...rews provided in the location shown Cut the corrugated tube as shown in the illustration above Con nect the corrugated hose from the transition to the Trap Secure connections with clamps Connect the black 1 2 ID Drain Tube from the Vent Drain to the Trap If an extension is required use the black 1 2 OD flexible tub ing connector and the black 1 2 ID Drain Tube in the loose parts bag Cut tube to le...

Page 24: ... screws provided in the location shown Cut the corrugated tube as shown in the illustration above Con nect the corrugated hose from the transition to the Trap Secure connections with clamps Connect the black 1 2 ID Drain Tube from the Vent Drain to the Trap If an extension is required use the black 1 2 OD barbed coupling and the black 1 2 ID Drain Tube in the loose parts bag Cut tube to length Sec...

Page 25: ...hown Cut the corrugated tube as shown in the illustration above Con nect the corrugated hose from the transition to the Trap Secure connections with clamps Connect the black 1 2 ID Drain Tube from the Vent Drain to the Trap If an extension is required use the 1 2 OD barbed coupling and the black 1 2 ID Drain Tube in the loose parts bag Cut tube to length Secure connections with clamps Connect the ...

Page 26: ...s is complete Combustion Air Pipe Connection Direct Vent Install the air intake coupling and gasket to the furnace with the four 4 screws Note The airintake coupling and gasketcan be installed to the top panel to the alternate air intake locations on either the left or right side panels of the furnace For downflow installation the air intake coupling and gasket must be installed to the alternate a...

Page 27: ... the combustion air intake as far as possible from any air conditioner heat pump swimming pool swimming pool pumping chlorinator or filtration unit WARNING 1 Install all couplings nipples and elbows using properproce dures for Joining Pipe and Fittings and maintain spacing between vent and combustion air piping as indicated in Figure 20 through Figure 27 Figure 20 Sidewall Termination 12 or More A...

Page 28: ...d to prevent staining or deterioration The protective material should beattached andsealed ifnecessary tothe buildingbefore attaching the vent terminal Multi Vent Termination Clearances When two 2 or more furnaces are vented near each other each furnace must be individually vented Two 2 vent terminations may be installed as shown in Figure 23 Figure 24 Figure 25 Figure 26 Figure 27 and Figure 28 b...

Page 29: ...terminate over public walkways Avoid areas where condensate may cause problems such as above planters patios or adjacent to windows where steam may cause fogging 4 The vent termination shall be located at least 4 horizontally from any electric meter gas meter gas regulator and any relief equipment These distances apply ONLY to U S installations 5 The vent termination is to be located at least 3 ab...

Page 30: ...e 5 diameter hole through the structure for the NAHA001CV Kit or one 4 diameter hole for the NAHA002CV Kit 4 Dimension D may be lengthened to 60 max or shortened by cutting the pipes to 12 min Dimension A will change ac cording to D dimension See Figure 31 Model A B C D NAHA001CV 333 8 2 31 2 167 8 NAHA002CV 387 8 3 41 2 211 8 Dimension will change accordingly as dimension D is lengthened or short...

Page 31: ... field supplied roof boot flashing NOTE Do not allow insulation or other materials to accumulate inside the pipe assembly when installing through the structure s hole 7 Secure the assembly to the structure as shown in Figure 30 or Figure 34 using field supplied metal strapping or equiva lent material NOTE Ensure the termination height is above the roof sur face or anticipated snow level as shown i...

Page 32: ...dels install the gas pipe grommet to the furnace side panel with the gas pipe entry If needed remove the 2 hole plug and relocate to the open hole in the furnace side panel FIRE OR EXPLOSION HAZARD Failure to properly install metal gas connector could result in death personal injury and or property damage A flexible corrugated metal gas connector must be properly installed shall not extend through...

Page 33: ...ld Gas Pressure Adjustment Hi Lo Fire NOTE Make adjustment to manifold pressure with burners oper ating General Derating Rules 1 These furnaces may be used at full input rating when installed at altitudes up to 2 000 When installed above 2 000 the inputmustbe decreased 2 natural or 4 LP for each 1000 above sea level in the USA In Canada the input rating must be derated 5 natural or 10 LP for each ...

Page 34: ...NE GAS MANIFOLD PRESSURE w c MEAN ELEVATION FEET ABOVE SEA LEVEL HEATING VALUE at ALTITUDE 0 to 2000 2001 to 3000 3001 to 3999 4001 to 5000 5001 to 6000 6001 to 7000 7001 to 8000 at ALTITUDE BTU CU FT Hi Lo Hi Lo Hi Lo Hi Lo Hi Lo Hi Lo Hi Lo 2500 10 0 4 9 10 0 4 9 9 0 4 4 10 0 4 9 9 4 4 6 8 5 4 2 10 4 9 Orifice Size 54 54 54 55 55 55 56 NOTE Propane data is based on 1 53 specific gravity For fuel...

Page 35: ...jury Turn OFF electrical power at fuse box or service panel before making any electrical connections and ensure a proper ground connection is made before connecting line voltage WARNING Power Supply Wiring The furnace MUST be electrically wired and grounded in accor dance with local codes or in the absence of local codes with the latest edition of The National Electric Code ANSI NFPA 70 and or The...

Page 36: ...EDUCED FURNACE LIFE HAZARD Failure to follow caution may result in reduced furnace life Do NOT exceed 115V 1 0 amp maximum current load for both the EAC terminal and the HUM terminal combined CAUTION HUMIDIFIER The HUM 115 is energized when the pressure switch closes on a call for heat The HUM is energized when the inducer is energized ELECTRONIC AIR CLEANER EAC is energized when there is a blower...

Page 37: ...use condensation and shorten the furnace life NOTE Dampers field supplied can be either automatic or manu al Manually operated dampers MUST be equipped with a means topreventfurnaceorairconditioningoperation unlessdamperisin the full heat or cool position CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in death or personal injury Cool air passing over heat exchanger ca...

Page 38: ... ONLY with same type and size Figure 41 Side Mounted Filter Rack 25 20 90 Filter Installation using Filter Rack When installing or removing a bottom mounted filter slide the two side filter clips to the back of the furnace BEFORE installing or re moving This will allow the filter to clear the front raised edge of the furnace Insert filter into side clips first and push filter back until it is full...

Page 39: ... Subbase for Combustible Floors MUST be used when a downflow furnace is set on a combustible floor even when the fur nace is installed on a coil box 1 Cutthe opening in theflooraccordingto Table 8 The holein the floor must be cut to the dimensions listed in Table 8 since the base is equipped with locating tabs that center the base over the opening The opening in the base is 11 4 shorter and 11 8 n...

Page 40: ... the downflow coil off the floor to allow easy installation of the condensate drain See Figure 48 Condensate Line Raised by Base Figure 48 25 20 52 9 Checks and Adjustments NOTE Verify the input rate of the furnace FIRE OR EXPLOSION HAZARD Failure to turn OFF gas at shut off before connecting manometer could result in death personal injury and or property damage Turn OFF gas at shut off before con...

Page 41: ...ous setting Main Burner Flame Check Allowthe furnace to run approximately 10 minutesthen inspectthe main burner and pilot flames See Figure 50 Check for the following Figure 50 Stable and blue flames Dust may cause orange tips or wisps ofyellow butflames MUSTNOThave solid yellow tips Flames extending directly from burner into heat ex changer Flames do NOT touch sides of heat exchanger If any probl...

Page 42: ...fan operation This is done by connecting the G terminal of the thermostat to the G terminal on the furnace control When the FAN switch is turned from auto to ON the fan will operate continu ously at LO HEAT speed EAC will be energized in this mode NOTE In heating the fan will turn off during furnace ignition and warm up then restart at heating speed 9MPTV Models Energizing the G terminal on the fu...

Page 43: ...ssary to change speeds refer to steps below 1 The 115 VAC power supply to the furnace must be turned OFF before making adjustments to the motor NOTE Allow at least 1 minute before restoring power to the furnace after making Blower Control changes 2 The heating cooling and continuous blower speeds can be adjustedbychangingthedipswitchsettingsthatarelocated onthetap selectinterfaceboard seeFigure 52...

Page 44: ...7 second warm up The gas valve is energized the main burners light at low heat rate and flame is sensed The ignitor is de energized and the inducer drops to low speed after the main burners ignite The FCB will delay Low Heat blower operation for the 45 second Low Heat Fan On Delay time timed from the opening of the gas valve If the W1 request is still present after 12 minutes timed from the openin...

Page 45: ...f fuse is open Heartbeat Normal operation or no previous Diagnostic Code ON SOLID Soft Lockout Furnace Control Error 1 hr delay If code repeats immediately following power reset then replace control 1 Flash Not used 2 Flashes Pressure switch es closed when should be open 3 Flashes Low pressure switch open when should be closed 4 Flashes Limit or flame roll out switch open less than 2 minutes 5 Fla...

Page 46: ...rge delay after the low pressure switch closes the ignitor begins a 17 second warm up The gas valve is energized the main burners light at low heat rate and flame is sensed The ignitor is de energized and the inducer drops to low speed after the main burners ignite The FCB will delay Low Heat blower operation for the 45 second Low Heat Fan On Delay time timed from the opening of the gas valve If t...

Page 47: ...ower operates in the hard wired continuous fan mode Furnace Control Board Diagnostic Codes See Figure 53 OFF 24VAC or 115VAC is off fuse is open Heartbeat Normal operation or no previous Diagnostic Code ON SOLID Soft Lockout Furnace Control Error 1 hr delay If code repeats immediately following power reset then replace control 1 Flash Not used 2 Flashes Pressure switch es closed when should be ope...

Page 48: ...440 01 2021 01 48 ...

Page 49: ...T075F14C1 9MPT100J16C1 9MPT125L20C1 9MPV050F12C1 9MPV075F12C1 9MPV100J16C1 9MPV125L20C1 Denotes Brand C H T Save This Manual For Future Reference Four Position Furnace International Comfort Products LLC Lewisburg TN 37091 Fast Parts Division 866 380 3278 Ò Ò ...

Page 50: ...essures of WC 5 No Elbows 40 5 90 DWV Elbows 1 80 2 60 1 30 2 30 1 20 1 90 1 00 1 80 1 80 2 60 1 30 2 30 1 20 1 90 1 00 1 80 1 80 2 60 1 70 2 50 1 20 1 90 1 00 1 80 1 80 2 60 1 70 2 50 1 30 2 30 1 20 2 20 Furnace Controls Furnace Control Type Furnace Control On Timed secs Off Integrated 30 Hi 45 Lo 60 100 140 180 Limits Controls Rollout Switch F Limit Control Setting F 300 260 300 210 300 240 300 ...

Page 51: ... 1366 1601 0 4 631 921 1309 1530 0 5 609 891 1252 1460 0 6 569 845 1187 1380 0 7 529 799 1122 1300 0 8 490 730 1030 1190 0 9 680 950 1080 1 0 831 969 For 100 Models 4 Ton Units For 125 Models 5 Ton Units Speed Tap Low Med L Med H Hi 0 1 823 1109 1527 1850 0 2 795 1087 1482 1791 0 3 747 1056 1426 1720 0 4 677 1016 1382 1648 0 5 617 970 1317 1575 0 6 544 854 1245 1485 0 7 763 1154 1401 0 8 652 1043 ...

Page 52: ...nstallation instructions for details on optimum speed selection 8 Factory connected when LP Pressure Switch and BVSS Chimney Adapter Accessory Kit are not installed 9 Blower off delay gas heating selections are 60 100 140 and 180 seconds cooling or heat pump 90 seconds 10 Ignition lockout will occur after four consecutive unsuccessful trials for ignition Control will auto reset after three hours 1...

Page 53: ...01 2021 01 14 9MPT O N O F F YY WW 15 N LL BB 12 11 18 V W R S T U J L JJ Q P Y X F UU VV TT SS H RR QQ KK 5 4 3 9 10 M K 2 1 B A 7 K 16 16 6 HH 8 13 14 OO 20 MM PP 25 24 77a 3 FF FF GG GG EE 17 CC DD ZZ NN O ...

Page 54: ...on motor Bellyband Location on Motor Model 9MPT A in 050F12 2 09 075F14 1 81 100J16 1 81 125L20 1 65 Key Description Part 9MPT Key No Description Non Functional Part Number 050 F12 075 F14 100 J16 125 L20 A Panel Top 1012866 1012867 1012868 1 1 1 1 B Gasket Top Panel 1012603 1012604 1012605 1 1 1 1 F Partition Blower 1172008 1172005 1172006 1172007 1 1 1 1 H Housing Blower 1172885 1172969 1 1 1 1 ...

Page 55: ...be Drain Coll Box 5 8 ID 1172245 1 1 1 1 UU Tube Drain Tee 1 2 ID 1171989 1 1 1 1 VV Tube Relief 1172012 1 1 1 1 WW Drain Vent 1014003 1 1 1 1 ZZ Sightglass 1172768 1 1 1 1 YY Tee Drain 1171915 1 1 1 1 PART NOT ILLUSTRATED Door Screws 1014488 4 4 4 4 Door Screw Grommets 1171990 4 4 4 4 Coupling Air Intake 1002284 1 1 1 1 Gasket Air Intake 1012583 1 1 1 1 Clamp Hose 5 8 1012975 4 4 4 4 Clamp Hose 3...

Page 56: ...No Elbows 40 5 90 DWV Elbows Blower Transition Box Lo Fire Std Pressures of WC 5 No Elbows 40 5 90 DWV Elbows 1 80 2 60 1 30 2 30 1 20 1 90 1 00 1 80 1 80 2 60 1 30 2 30 1 20 1 90 1 00 1 80 1 80 2 60 1 70 2 50 1 20 1 90 1 00 1 80 1 80 2 60 1 70 2 50 1 30 2 30 1 20 2 20 Limits Controls Rollout Switch F Limit Control Setting F 300 260 300 210 300 240 300 190 Furnace Control Type Furnace Control On T...

Page 57: ...6 1 1 1 15 4 9 5 Factory setting Approximate air temperature change from factory setting 0 20 static on high heat Lo Heat Air Temperature Adjustment F Switch Settings Furnace Model 3 4 5 50K 75K 100K 125K 0 0 0 0 0 0 0 0 0 1 4 2 1 8 0 1 0 4 2 1 8 0 1 1 10 5 5 14 1 0 0 13 7 8 17 1 0 1 5 4 3 3 1 1 0 8 6 7 6 1 1 1 16 9 11 6 Factory setting Approximate air temperature change from factory setting 0 20 ...

Page 58: ...s 9MPV050F12C COOLING CFM VS EXTERNAL STATIC PRESSURE 0 200 400 600 800 1000 1200 1400 0 0 2 0 4 0 6 0 8 1 ESP W C CFM 000 001 010 011 100 101 110 111 Figure 1 9MPV075F12C COOLING CFM VS EXTERNAL STATIC PRESSURE 0 200 400 600 800 1000 1200 1400 1600 0 0 2 0 4 0 6 0 8 1 ESP W C CFM 000 001 010 011 100 101 110 111 Figure 2 ...

Page 59: ...gs 9MPV100J20C COOLING CFM VS EXTERNAL STATIC PRESSURE 0 300 600 900 1200 1500 1800 2100 2400 0 0 2 0 4 0 6 0 8 1 ESP W C CFM 000 001 010 011 100 101 110 111 Figure 3 9MPV125L20C COOLING CFM VS EXTERNAL STATIC PRESSURE 0 400 800 1200 1600 2000 2400 0 0 2 0 4 0 6 0 8 1 ESP W C CFM 000 001 010 011 100 101 110 111 Figure 4 ...

Page 60: ...d BVSS Chimney Adapter Accessory Kit are not installed 9 Ignition lockout will occur after four consecutive unsuccessful trials for ignition Control will auto reset after three hours 10 Blower motor and inducer motor contains internal auto reset thermal overload switch 11 Flame sensor 0 7 µA D C minimum 2 0 4 0 µA nominal LOW V OLT AG E F AC T OR Y LOW V OLT AG E F IE LD LINE V OLT AG E F AC T OR ...

Page 61: ... 440 01 2021 01 16 9MPV 25 25 32 13 YY WW 15 FF N LL EE 16 Z BB 12 16 GG 17 DD 11 CC FF 18 V W R S T U J L JJ Q P Y X F UU VV TT SS H RR QQ KK 5 9 10 M K 2 1 B A 8 6 HH K 14 23 OO 20 MM PP NN ZZ 22 4 3 21 ...

Page 62: ... Board Tap Select Interface 1172839 1 1 1 1 23 Choke Power 1172838 1 1 See Table below for bellyband location on motor Bellyband Location on Motor Model 9MPV A in 050F12 13 8 075F12 27 8 100J20 27 8 125L20 27 8 Key Part 9MPV Key No Description Part Number 050 F12 075 F12 100 J20 125 L20 A Panel Top 1012866 1012867 1012868 1 1 1 1 B Gasket Top Panel 1012603 1012604 1012605 1 1 1 1 F Partition Blowe...

Page 63: ...987 1 1 1 1 TT Tube Drain Coll Box 5 8 ID 1172445 1 1 1 1 UU Tube Drain Tee 1 2 ID 1171989 1 1 1 1 VV Tube Relief 1172012 1 1 1 1 WW Drain Vent 1014003 1 1 1 1 YY Tee Drain 1171915 1 1 1 1 ZZ Sightglass 1172768 1 1 1 1 Key Part 9MPV Key No Description Part Number 050 F12 075 F12 100 J20 125 L20 PART NOT ILLUSTRATED Door Screws 1014488 4 4 4 4 Door Screw Grommets 1171990 4 4 4 4 Coupling Air Intake...

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