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441 01 2101 05

Specifications are subject to change without notice.

Table 5 – Air Delivery

−

CFM (With Filter)*

FURNACE

SIZE

RETURN-AIR

INLET

SPEED

EXTERNAL STATIC PRESSURE (IN. W.C.)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0451412

Bottom or

Side(s)

High

Med-High

Medium

Med-Low

Low

1465
1295
1150
1030

860

1400
1260
1120
1010

835

1325
1210
1085

980
810

1250
1155
1040

945
780

1175
1090

985
895
745

1085
1015

920
835
700

980
930
835
765
635

860
830
740
685
555

725
700
620
570
445

560
545
510
345
260

0701412

Bottom or

Side(s)

High

Med-High

Medium

Med-Low

Low

1440
1180
1015

885
695

1400
1165
1020

885
700

1355
1150
1010

880
700

1300
1125

990
865
690

1240
1085

965
845
670

1170
1030

925
815
640

1090

970
875
770
600

1000

890
800
700
540

890
785
700
605
460

745
645
560
475
345

0901714

Bottom or

Side(s)

High

Med-High

Med-Low

Low

1650
1515
1385
1205

1600
1485
1360
1180

1535
1440
1320
1160

1465
1380
1260
1120

1385
1300
1195
1065

1285
1220
1120
1005

1175
1115
1025

925

1055

990
915
810

895
830
710
630

645
600
565
510

1102422

Bottom Only

High

Med-High

Medium

Med-Low

Low

2530
2225
1895
1565
1320

2460
2190
1885
1555
1295

2380
2135
1865
1535
1265

2285
2075
1820
1505
1235

2200
1995
1770
1465
1205

2085
1910
1700
1410
1160

1970
1805
1610
1350
1105

1835
1695
1520
1265
1035

1695
1565
1410
1175

950

1545
1430
1290
1050

870

Bottom Sides or

1 Side & Bottom

High

Med-High

2205

2175

2415
2120

2330
2065

2235
1975

2125
1900

1995
1790

1860
1685

1735
1580

1605
1460

1Side Only

High

Med-High

Medium

Med-Low

Low

2485
2155
1830
1520
1275

2430
2135
1830
1505
1260

2360
2100
1810
1490
1240

2270
2040
1780
1470
1210

2175
1970
1730
1430
1180

2070
1885
1665
1385
1135

1950
1790
1595
1330
1090

1825
1680
1505
1250
1025

1685
1560
1395
1165

930

1535
1420
1275
1055

840

*A filter is required for each return

−

air inlet. Airflow performance included 3/4

−

in. (19 mm) washable filter media such as contained in factory

−

authorized accessory filter

rack. To determine airflow performance without this filter, assume an additional 0.1 In. W.C. available external static pressure.

−−

Indicates unstable operating conditions.

NOTE

: For horizontal applications, the top

−

most flange may

be bent past 90

to allow the evaporator coil to hang on the

flange temporarily while the remaining attachment and

sealing of the coil are performed.

Downflow Furnaces

Connect supply

−

air duct to supply

−

air outlet on furnace. Bend

flange inward past 90

with wide duct pliers. (See Figure 14)

The supply

−

air duct must be connected to ONLY the furnace

supply outlet or air conditioning coil casing (when used).

When installed on combustible material, supply

−

air duct must

be connected to ONLY the accessory combustible floor

subbase or a factory approved air conditioning coil casing.

DO NOT cut main furnace casing to attach supply side air

duct, humidifier, or other accessories. All accessories MUST

be connected to duct external to furnace casing.

Return Air Connections

FIRE HAZARD

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.

WARNING

Downflow Furnaces

The return

−

air duct must be connected to return

−

air opening

(bottom inlet) as shown in Figure 1. DO NOT cut into casing

sides (left or right). Side opening is permitted for only upflow

and most horizontal furnaces. Bypass humidifier connections

should be made at ductwork or coil casing sides exterior to

furnace. (See Figure 19)

Upflow and Horizontal Furnaces

The return

−

air duct must be connected to bottom, sides (left

or right), or a combination of bottom and side(s) of main

furnace casing as shown in Figure 1. Bypass humidifier may

be attached into unused return air side of the furnace casing.

(See Figure 18 and Figure 20) Not all horizontal furnaces are

approved for side return air connections. (See Figure 20)

GAS PIPING

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 chamber.

Never test

for gas leaks with an open flame. Use a

commercially

available soap solution made

specifically for the detection of

leaks to check all

connections. A fire or explosion may result causing

property damage, personal injury or loss of life.

WARNING

FIRE OR EXPLOSION HAZARD

Failure to follow this warning could result in personal

injury, death, and/or property damage.
Use proper length of pipe to avoid stress on gas

control manifold and a gas leak.

WARNING

Содержание F8MTL

Страница 1: ...alert to the potential for personal injury TABLE OF CONTENTS SAFETY CONSIDERATIONS 3 INTRODUCTION 4 CODES AND STANDARDS 4 STEP 1 SAFETY 4 STEP 2 GENERAL INSTALLATION 4 STEP 3 COMBUSTION AND VENTILATION AIR 5 STEP 4 DUCT SYSTEMS 5 STEP 5 ACOUSTICAL LINING AND FIBROUS GLASS DUCT 5 STEP 6 GAS PIPING AND GAS PIPE PRESSURE TESTING 5 STEP 7 ELECTRICAL CONNECTIONS 5 STEP 8 VENTING 5 ELECTROSTATIC DISCHAR...

Страница 2: ...ctangle d For airflow requirements above 1800 CFM see Air Delivery table in Product Data literature for specific use of single side inlets The use of both side inlets a combination of 1 side and the bottom or the bottom only will ensure adequate return air openings for airflow requirements above 1800 CFM Table 1 Dimensions FURNACE SIZE A B C D VENT SHIP CABINET WIDTH IN mm OUTLET WIDTH IN mm TOP A...

Страница 3: ...ght suggestions which will result in enhanced installation reliability or operation product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation 1 Use only with type of gas approved for this furnace Refer to the furnace rating plate 2 Install this furnace only in a location and position as specified in the Location section of...

Страница 4: ...uch as when used with a night setback thermostat Return air temperature must not exceed 80 F 27 C db Failure to follow these return air temperature limits may affect reliability of heat exchangers motors and controls SeeFigure 3 For accessory installation details refer to the applicable instruction literature NOTE Remove all shipping brackets and materials before operating the furnace Figure 2 Cle...

Страница 5: ...ungrounded objects etc 4 If you touch ungrounded objects and recharge your body with static electricity firmly touch a clean unpainted metal surface of the furnace again before touching control or wires 5 Use this procedure for installed and uninstalled ungrounded furnaces 6 Before removing a new control from its container discharge your body s electrostatic charge to ground to protect the control...

Страница 6: ...ents salts air fresheners and other household products Do not install furnace in a corrosive or contaminated atmosphere Make sure all combustion and circulating air requirements are met in addition to all local codes and ordinances WARNING If air is exposed to the following substances it should not be used for combustion air and outdoor air may be required for combustion Permanent wave solutions C...

Страница 7: ...ipped with means to prevent operation of either unit unless the damper is in the full heat or full cool position AIR FOR COMBUSTION AND VENTILATION Provisions for adequate combustion ventilation and dilution air must be provided in accordance with U S installations Section 9 3 of the NFPA 54 A ANSI Z223 1 2012 Air for Combustion and Ventilation and applicable provisions of the local building codes...

Страница 8: ...gure 7 Air for Combustion Ventilation and Dilution for Outdoors 1 SQ IN PER 4000 BTUH DUCTS TO OUTDOORS 1 SQ IN PER 4000 BTUH C IRCULA TING AIR DUCTS VENT THROUGH ROOF D B A C E 1 SQ IN PER 4000 BTUH DUCT TO OUTDOORS CIRCULATING AIR DUCTS 1 SQ IN PER 2000 BTUH 1 SQ IN PER 2000 BTUH DUCTS TO OUTDOORS 12 MAX 12 MAX 12 MAX 12 MAX 12 MAX OUTDOORS 1 SQ IN PER 4000 BTUH F G CLEARANCE IN FRONT OF COMB US...

Страница 9: ...04002 2 For fan assisted appliances such as this furnace Volume Fan 15ft3 ACH I fan 1000 Btu hr A04003 If Iother combined input of all other than fan assisted appliances in Btuh hr Ifan combined input of all fan assisted appliances in Btuh hr ACH air changes per hour ACH shall not exceed 0 60 The following requirements apply to the Standard Method and to the Known Air Infiltration Rate Method 1 Ad...

Страница 10: ...s may be used See Figure 10 Install field supplied 5 16 x 1 1 2 in 8 x 38 mm max corrosion resistant machine bolts washers and nuts NOTE Bottom closure must be used when leveling legs are used It may be necessary to remove and reinstall bottom closure panel to install leveling legs To remove bottom closure panel see item 1 in Bottom Return Air Inlet section in Step 1 above To install leveling legs...

Страница 11: ...urnace on its back or hang furnace with control compartment facing downward Safety control operation will be adversely affected Never connect return air ducts to the back of the furnace WARNING Suspended Furnace Support The furnace may be supported under each end with threaded rod angle iron or metal plumber s strap as shown See Figure 15 and Figure 16 Secure angle iron to bottom of furnace as sho...

Страница 12: ...11 16 322 21 5 8 549 13 5 16 338 22 1 4 565 Downflow Applications on Noncombustible Flooring subbase not required 12 9 16 319 19 483 13 3 16 335 19 5 8 498 Downflow Applications on Combustible Flooring subbase required 11 13 16 284 19 483 13 7 16 341 20 5 8 600 Downflow Applications on Combustible Flooring with Coil END4X ENW4X or Coil Casing NAEA subbase not required 12 5 16 319 19 483 13 5 16 33...

Страница 13: ...RON OR UNI STRUT MAY BE USED 2 HEX NUTS 2 WASHERS 2 LOCK WASHERS REQ PER ROD 8 203mm MIN FOR DOOR REMOVAL OUTER DOOR ASSEMBLY A10130 Figure 16 Horizontal Suspension with Straps METHOD 2 USE 4 8 x 3 4 19 mm SHEET METAL SCREWS FOR EACH STRAP THE STRAPS SHOULD BE VERTICAL AGAINST THE FURNACE SIDES AND NOT PULL AWAY FROM THE FURNACE SIDES METHOD 1 FOLD ALL STRAPS UNDER FURNACE AND SECURE WTH 4 8 x 3 4...

Страница 14: ...rn air shall also be handled by duct s sealed to the furnace casing and terminating outside the space containing the furnace Secure ductwork with proper fasteners for type of ductwork used Seal supply and return duct connections to furnace with code approved tape or duct sealer NOTE Flexible connections should be used between ductwork and furnace to prevent transmission of vibration Ductwork passi...

Страница 15: ...flange may be bent past 90 to allow the evaporator coil to hang on the flange temporarily while the remaining attachment and sealing of the coil are performed Downflow Furnaces Connect supply air duct to supply air outlet on furnace Bend flange inward past 90 with wide duct pliers See Figure 14 The supply air duct must be connected to ONLY the furnace supply outlet or air conditioning coil casing ...

Страница 16: ... remain capped until gas supply line is permanently installed to protect the valve from moisture and debris Also install a sediment trap in the gas supply piping at the inlet to the gas valve WARNING Figure 18 Upflow Return Air Configurations and Restrictions 5 TONS AND GREATER 2000 CFM AND GREATER AT 6 ESP HI COOLING SPEED Figure 19 Downflow Return Air Configurations and Restrictions 5 TONS AND G...

Страница 17: ...sachusetts Refer to Table 6 for recommended gas pipe sizing Risers must be used to connect to furnace and to meter Support all gas piping with appropriate straps hangers etc Use a minimum of 1 hanger every 6 ft 1 8 M Joint compound pipe dope should be applied sparingly and only to male threads of joints Pipe dope must be resistant to the action of propane gas FIRE OR EXPLOSION HAZARD Failure to fo...

Страница 18: ...de purge lines and check for leakage at furnace prior to operating furnace If pressure exceeds 0 5 psig 14 In W C gas supply pipe must be disconnected from furnace and capped before and during supply pipe pressure test If test pressure is equal to or less than 0 5 psig 14 In W C turn off electric shutoff switch located on furnace gas control valve and accessible manual equipment shutoff valve befo...

Страница 19: ...R CKT BKR AMPS MINIMUM WIRE GAUGE MAX MIN 0451412 115 60 1 127 104 7 1 9 67 38 11 5 15 14 0701412 115 60 1 127 104 7 3 9 90 37 11 2 15 14 0901714 115 60 1 127 104 8 2 10 84 34 10 3 15 14 1102122 115 60 1 127 104 13 7 17 60 32 9 7 20 12 Permissible limits of the voltage range at which the unit operates satisfactorily Unit ampacity 125 of largest operating component s full load amps plus 100 of all ...

Страница 20: ...ox to furnace casing with screws removed in Step 4 11 Secure field ground wire to J Box green ground screw 12 Complete electrical box wiring and installation Connect line voltage leads as shown in Figure 23 Use best practices NEC in U S for wire bushings strain relief etc 13 Reinstall cover to J Box Do not pinch wires between cover and bracket POWER CORD INSTALLATION IN FURNACE J BOX NOTE Power co...

Страница 21: ...out notice Figure 26 Two Stage Furnace with Single Speed Air Conditioner Figure 27 Two Stage Furnace with Two Stage Air Conditioner Figure 28 Two Stage Furnace with Single Stage Heat Pump Dual Fuel Figure 29 Two Stage Furnace with Two Stage Heat Pump Dual Fuel ...

Страница 22: ...wer motor operation See Figure 33 2 Humidifier HUM 24VAC and HUM a HUM 24VAC Connect an accessory 24 VAC 0 5 amp maximum humidifier if used to the in male quick connect HUM 24VAC 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 PRS closes See Figure 33 and Figure 55 b HUM connect an acces...

Страница 23: ...ECTOR TRANSFORMER 24VAC CONNECTIONS P2 HOT SURFACE IGNITOR HSI INDUCER MOTOR CONNECTOR 115 VAC L1 LINE VOLTAGE CONNECTION EAC TERMINAL 115 VAC 1 0 AMP MAX SPARE2 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 SELECTION TERMINALS HUM XFMR HUMIDIFIER TERMINAL 115 VAC HUM ...

Страница 24: ...the venting system These furnaces are approved for common venting and multi story venting with other fan assisted or draft hood equipped appliances in accordance with the NFCG local building codes and furnace and vent manufacturers instructions The following information and warning must be considered in addition to the requirements defined in the NFGC CARBON MONOXIDE POISONING HAZARD Failure to fo...

Страница 25: ...25 441 01 2101 05 Specifications are subject to change without notice Figure 34 Chimney Inspection Chart A10133 ...

Страница 26: ...ble size in the tables the chimney should be rebuilt or relined to conform to the requirements of the equipment being installed and the authority having jurisdiction A chimney without a clay tile liner which is otherwise in good condition shall be rebuilt to conform to ANSI NFPA 211 or be lined with a UL listed metal liner or UL listed Type B vent Relining with a listed metal liner or Type B vent ...

Страница 27: ...w vent gas temperatures causing condensation and corrosion in the furnace and or venting system Derating is permitted only for altitudes above 2000 ft 3 Adjust the air temperature rise to the midpoint of the rise range or slightly above Low air temperature rise can cause low vent gas temperature and potential for condensation problems 4 Set the thermostat heat anticipator or cycle rate to reduce s...

Страница 28: ... figures A03210 Figure 38 Downflow Application Vent Elbow Up SEE NOTES 1 2 4 5 7 8 9 on the page following these figures A03211 Figure 39 Downflow Application Vent Elbow Left then Up SEE NOTES 1 2 4 5 6 7 8 9 10 on the page following these figures A03207 Figure 40 Downflow Application Vent Elbow Up then Right SEE NOTES 1 2 3 4 5 7 8 9 on the page following these figures A03212 ...

Страница 29: ...Left Application Vent Elbow Right SEE NOTES 1 2 4 5 7 8 9 on the page following these figures A03216 Figure 46 Horizontal Right Application Vent Elbow Left then Up SEE NOTES 1 2 4 5 7 8 9 on the page following these figures A03219 Figure 47 Horizontal Right Application Vent Elbow Left SEE NOTES 1 2 4 5 7 8 9 A02068 Venting Notes for Figure 35 Figure 47 1 For common vent vent connector sizing and v...

Страница 30: ...ired re install screws The factory supplied vent elbow does NOT count as part of the number of vent connector elbows The vent connector can exit the furnace through one of 5 locations on the casing 1 Attach the single wall vent connector to the furnace vent elbow and fasten the vent connector to the vent elbow with at least two field supplied corrosion resistant sheet metal screws located 180 apar...

Страница 31: ...ses and High Heat operation when R to W W1 and W2 close SW2 2 Heat OFF delay OFF Control heat OFF delay time Used in conjunction with SW1 3 See Table 14 SW3 3 Heat OFF delay ON Control heat OFF delay time Used in conjunction with SW1 2 See Table 14 Table 11 Two Stage Furnace Blower OFF Delay Setup Switch DESIRED HEATING MODE BLOWER OFF DELAY SEC SETUP SWITCH SW1 2 SETUP SWITCH SW1 3 90 OFF OFF 120...

Страница 32: ... For installations above 2000 ft 610 M multiply the input on the rating plate by the derate multiplier in Table 11 for the correct input rate 2 Determine the correct orifice and manifold pressure adjustment All models in all positions except Low NOx models in downflow and horizontal positions use Table 15 22 000 BTUH per burner Low NOx models in downflow or horizontal positions MUST use Table 16 2...

Страница 33: ...revolution and note reading The 2 or 5 cubic feet dial provides a more accurate measurement of gas flow Figure 49 Orifice Hole BURNER ORIFICE A93059 d Refer to Table 12 for cubic ft of gas per hr e Multiply gas rate cu ft hr by heating value Btuh cu ft to obtain input If clocked rate does not match required input from Step 1 increase manifold pressure to increase input or decrease manifold pressur...

Страница 34: ... and remove thermostat jumpers e To change motor speed selection for low heat remove blower motor lead from control LO HEAT terminal See Figure 33 Select desired blower motor speed lead from one of the other terminals and relocate it to the LO HEAT terminal See Table 13 for lead color identification Reconnect original lead to SPARE terminal f Repeat steps a through e FURNACE OVERHEATING HAZARD Fai...

Страница 35: ...d from one of the other terminals and relocate it to the HI HEAT terminal DO NOT use the low heat tap that was already set See Table 13 for lead color identification Reconnect original lead to SPARE terminal e Repeat steps a thru d f When correct high heat input rate and temperature rise is achieved turn gas valve ON OFF switch to OFF g Remove Blower Access Door h Remove manometer or similar devic...

Страница 36: ...ace and set room thermostat above room temperature d After normal start up allow furnace to operate for 2 minutes then block vent elbow in furnace 80 of vent area with a piece of flat sheet metal e Furnace should cycle off within 2 minutes If gas does not shut off within 2 minutes determine reason draft safeguard switch did not function properly and correct condition f Remove blockage from furnace...

Страница 37: ...37 441 01 2101 05 Specifications are subject to change without notice Table 15 Orifice Size and Manifold Pressures in w c for Gas Input Rate A10184 ...

Страница 38: ...38 441 01 2101 05 Specifications are subject to change without notice Table 15 Orifice Size and Manifold Pressures in w c for Gas Input Rate cont A10184A ...

Страница 39: ...39 441 01 2101 05 Specifications are subject to change without notice Table 16 Orifice Size and Manifold Pressures in w c for Gas Input Rate A10185 ...

Страница 40: ...omponents or materials i e oil refrigerant control board etc before unit final disposal CAUTION ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failure to follow this warning could result in personal injury or death Before installing modifying or servicing system main electrical disconnect switch must be in the OFF position and install a lockout tag There may be more than one disconnect switch Lock out ...

Страница 41: ...st as shown on the SERVICE label located on the of blower access door Step 2 Care and Maintenance For continuing high performance and to minimize possible furnace failure periodic maintenance must be performed on this furnace Consult your local dealer about proper frequency of maintenance and the availability of a maintenance contract FIRE OR EXPLOSION HAZARD Failure to follow this warning could r...

Страница 42: ...42 441 01 2101 05 Specifications are subject to change without notice Figure 51 Service Label ...

Страница 43: ...r door 3 For downflow or horizontal furnaces having vent pipes within the furnace that pass in front of the blower access door a Disconnect vent connector from furnace vent elbow b Disconnect and remove short piece of vent pipe from within furnace 4 Remove two 2 screws from blower access door and remove blower access door 5 All factory wires can be left connected but field thermostat connections m...

Страница 44: ...ombustion air incorrect size or damaged manifold orifice s improper gas or a restricted heat exchanger Action must be taken to correct the problem If it becomes necessary to clean the heat exchangers because of dust or corrosion proceed as follows 1 Turn OFF gas and electrical power to furnace 2 Remove outer access door 3 Disconnect vent connector from furnace vent elbow 4 For downflow or horizont...

Страница 45: ...st for gas leaks with an open flame Use a commercially available soap solution made specifically for the detection of leaks to check all connections WARNING Step 3 Sequence of Operation NOTE Furnace control must be grounded for proper operation or control will lockout Control is grounded through green wire connected to gas valve and burner bracket screw Using the schematic diagram in Figure 55 fol...

Страница 46: ...om Low to High Heat If the furnace control CPU switches from low heat to high heat the furnace control CPU will switch the inducer motor IDM speed from low to high The high heat pressure switch relay HPSR is de energized to close the NC contact When sufficient pressure is available the high heat pressure switch HPS closes and the high heat gas valve solenoid GV HI is energized The blower motor BLW...

Страница 47: ...lower motor BLWM will operate on continuous blower speed LO HEAT speed Terminal EAC 1 AMP is energized as long as the blower motor BLWM is energized During a call for heat the blower BLWM will stop during igniter warm up 17 seconds ignition 7 seconds and blower ON delay 45 seconds in low heat and 25 seconds in high heat allowing the furnace heat exchangers to heat up more quickly then restarts at ...

Страница 48: ...48 441 01 2101 05 Specifications are subject to change without notice Figure 55 Wiring Diagram 337797 201 Rev B ...

Страница 49: ...49 441 01 2101 05 Specifications are subject to change without notice Figure 56 Troubleshooting Guide Two Speed ...

Страница 50: ...50 441 01 2101 05 Specifications are subject to change without notice NOTE NUMBER IN UPPER LEFT HAND CORNER REPRESENTS FLASH CODE ...

Страница 51: ...lower Motor S Single stage T Two stage TYPE N Standard L Low Nox FEATURE 045 45 000 BTU hr 070 70 000 BTU hr 090 90 000 BTU hr 110 110 000 BTU hr HEAT INPUT 14 143 16 17 171 2 21 21 24 241 2 CABINET WIDTH 08 800 CFM 12 1200 CFM 14 1400 CFM 16 1600 CFM 20 2000 CFM 22 2200 CFM COOLING AIRFLOW SALES MAJOR REVISION DIGIT ENGINEERING MINOR REVISION DIGIT TO OBTAIN INFORMATION ON PARTS Consult your inst...

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