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440 01 4542 00

Specifications subject to change without notice.

A190279

Fig. 33 -- Field--Supplied External Electrical Box on Furnace

Casing

J--Box Installation

FIRE OR ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal

injury, death, or property damage.
High voltage field connections must be located in J--Box

with furnace, or in field supplied external disconnect

mounted to furnace.
If field--supplied manual disconnect switch is to be mounted

on furnace casing side, select a location where a drill or

fastener cannot damage electrical or gas components.

WARNING

The J--Box must be used when field line voltage electrical
connections are made to the furnace wiring harness inside the

furnace casing. The J--Box cover is not required if a field--supplied
external electrical box is attached to the outside of the furnace

casing. The field ground wire and furnace main ground wire are
grounded when the J--Box bracket is attached to the furnace and

the field ground wire and factory ground wire are secured to the

bracket grounding screw. If the J--Box cover is not used, the field
and factory spliced connections must be located inside the external

electrical box. Do not leave splice connections unprotected inside
the furnace.
The J--Box cover, mounting bracket and screws are shipped in the

loose parts bag included with the furnace. See Fig. 34 for J--Box
mounting locations.
The J--Box mounting bracket and green ground screw is used as a
grounding point for all line voltage wiring options. The J--Box

cover may be omitted when electrical connections are made inside

an external electrical box mounted external to the casing.

External Electrical Box on Furnace Casing

NOTE

: Check to ensure that external electrical box does not

interfere with duct work, gas piping or the indoor coil drain. See
Fig. 30 for alternate electric entry through top panel.

1. Select and remove 7/8--in. (22 mm) knock--out on the

desired side of the casing. Remove the knock--out from the
casing.

NOTE

: If electrical entry through the furnace top panel is used, a

7/8--in. (22 mm) hole must be drilled through the top panel.

2. Drill two (2) 1/8--in. (3 mm) pilot holes through the dimples

in the furnace casing near the 7/8--in. knock--out.

A12226

Fig. 34 -- Installing J--Box (When Used)

A190278

Fig. 35 -- External Electrical Box

NOTE

: If electrical entry through the furnace top panel is used,

mark the screw hole locations using the mounting holes in the
external electrical box as a template.

Содержание A Series

Страница 1: ...g Portions of the text and tables are reprinted from current edition of NFPA 54 ANSI Z223 1 with permission of National Fire Protection Association Quincy MA 02269 and American Gas Association Washing...

Страница 2: ...rade 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...

Страница 3: ...6 8 3 4 222 122 5 55 6 0601412 14 3 16 361 12 1 2 319 12 9 16 322 7 1 8 181 122 0 55 3 0601714 17 1 2 445 15 7 8 403 16 406 8 3 4 222 132 0 59 9 0801716 17 1 2 445 15 7 8 403 16 406 8 3 4 222 142 0 64...

Страница 4: ...e on tags and on labels attached to or shipped with furnace and other safety precautions that may apply These instructions cover minimum requirements and conform to existing national standards and saf...

Страница 5: ...n be converted in the field for use with propane gas when a factory supplied conversion kit is used Refer to the furnace rating plate for conversion kit information These furnaces are not approved for...

Страница 6: ...400 N Capitol N W Washington DC 20001 FIRE INJURY OR DEATH HAZARD Failure to follow this warning could result in personal injury death and or property damage When the furnace is installed in a residen...

Страница 7: ...th minimum fire protection clearances shown in Table 1 or on the furnace clearance to combustible construction label PERSONAL INJURY AND OR PROPERTY DAMAGE HAZARD Improper use or installation of this...

Страница 8: ...cate with the outdoor to provide sufficient air for combustion The combustion air pipe cannot be terminated in attics or crawlspaces that use ventilation fans designed to operate during the heating se...

Страница 9: ...000 divided by 3 000 33 3 Sq In for each Single Duct or Opening 80 000 30 000 110 000 divided by 2 000 55 0 Sq In for each two Horizontal Ducts Table 4 Minimum Space Volumes for 100 Combustion Ventila...

Страница 10: ...equired volume for the space Table 4 Minimum Space Volumes were determined by using the following equations from the current edition of the National Fuel Gas Code ANSI Z223 1 NFPA 54 9 3 2 2 1 For oth...

Страница 11: ...ate Drain section for information how to install the condensate drain A11307 Fig 8 Upflow Trap Configuration Appearance may vary Condensate Trap Downflow Orientation When the furnace is installed in t...

Страница 12: ...begin the trap conversion S Refer to Condensate Drain section for information how to install the condensate drain Condensate Trap Horizontal Orientation When the furnace is installed in the horizonta...

Страница 13: ...Allowed The field supplied accessory horizontal drain trap grommet is ONLY REQUIRED FOR DIRECT VENT APPLICATIONS It it NOT required for applications using single pipe or ventilated combustion air vent...

Страница 14: ...nsate trap is inside the furnace casing The condensate drain must be routed from the trap through the furnace casing The condensate drain can be routed through the left or right side of the casing The...

Страница 15: ...temporarily rest on the blower shelf upflow or burner box downflow NOTE When the inducer housing has been removed to ease installation in upflow applications this step is not needed 7 After inserting...

Страница 16: ...N coil is used with a 060 14 furnace the N coil must either be raised using a transition piece at least 3 in 76 mm high or if a transition piece is not used the refrigerant lines of the N coil must po...

Страница 17: ...el installed in bottom return air opening This panel MUST be in place when only side return air is used Where required by code seal bottom closure to furnace with tape mastic or other durable sealing...

Страница 18: ...ation will be adversely affected Never connect return air ducts to the back of the furnace WARNING MINOR PROPERTY HAZARD Failure to follow this caution may result in minor property damage Local codes...

Страница 19: ...4 1 2 622 Upflow Applications on Combustible or Noncombustible Flooring Subbase not required 23 584 21 1 8 537 23 5 8 600 22 1 4 565 Downflow Applications on Noncombustible Flooring Subbase not requir...

Страница 20: ...ct system to the filter or IAQ device to the furnace when the dimensions of the ductwork or furnace return air opening do not match the required filter or IAQ device dimensions See the instructions su...

Страница 21: ...TTOM RETURN 14 3 16 360 16 x 25 x 3 4 406 x 635 x 19 14 x 25 x 3 4 356 x 635 x 19 Washable 17 1 2 445 16 x 25 x 3 4 406 x 635 x 19 16 x 25 x 3 4 406 x 635 x 19 Washable 21 533 16 x 25 x 3 4 406 x 635...

Страница 22: ...Fig 26 Working Platform for Attic Installation 2 IN 51 mm COMBUSTION AIR PIPE SEE VENTING SECTION Install 12 x 22 204 x 559 mm sheet metal in front of and above the burner compartment area The sheet...

Страница 23: ...ll out shield AIR DUCTS Many states provinces and localities are considering or have implemented standards and or restrictions on duct sizing practices ductwork leakage and or ductwork thermal airflow...

Страница 24: ...90 1235 1175 1120 1060 1005 945 890 Red 3 Alt Cooling Do not use for heating 1200 1120 1060 995 940 875 810 750 685 625 1002120 Gray 5 6 Cooling Do not use for heating 2060 2010 1955 1905 1850 1800 17...

Страница 25: ...9 Gas Entry 1 1 2 inch for Gas 7 8 inch for 115 VAC Electric A170125 Fig 30 Alternate Gas and Electric Entry NOTE Top plate may be field drilled for alternate gas and 115 VAC electric entry Refer to T...

Страница 26: ...age Remove the knockout install the grommet in the knockout then insert the gas pipe The grommet is included in the loose parts bag See Fig 29 ELECTRICAL CONNECTIONS ELECTRICAL SHOCK FIRE OR EXPLOSION...

Страница 27: ...EAC humidifier etc full load amps Time delay type is recommended Length shown is as measured one way along wire path between furnace and service panel for maximum 2 percent voltage drop ELECTRICAL SH...

Страница 28: ...ctions must be located inside the external electrical box Do not leave splice connections unprotected inside the furnace The J Box cover mounting bracket and screws are shipped in the loose parts bag...

Страница 29: ...er leads as shown in Fig 32 7 Attach furnace J Box cover to mounting bracket with screws supplied in loose parts bag Do not pinch wires be tween cover and bracket See Fig 34 BX Cable Installation in F...

Страница 30: ...40 01 4542 00 Specifications subject to change without notice A190022 Fig 36 Example of Single Stage Furnace Control A11157 Fig 37 Field supplied Isolation Relay for Humidifiers with Internal Power Su...

Страница 31: ...lation NOTE When using polypropylene venting systems all venting materials used including the vent terminations must be from the same manufacturer Special Venting Requirements for Installations in Can...

Страница 32: ...supports attached to the structure A factory accessory vent termination kit may be used for direct vent terminations Termination kits are available for 2 in or 3 in pipe See Table 12 for available op...

Страница 33: ...WV venting systems CAREFULLY FOLLOW THE INSTRUCTIONS PROVIDED WITH THE EXTERNAL VENT TRAP KIT FOR LAYING OUT THE VENTING SYSTEM AND THE DRAIN SYSTEM The instructions included with this furnace DO NOT...

Страница 34: ...Table 12 Vent Termination Kit for Direct Vent 2 pipe Systems Vent and Combustion Air Pipe Diameters Approved Two Pipe Termination Fittings Allowable Concentric Vent Kit 1 1 2 in 38 mm 2 in 51 mm 2 1 2...

Страница 35: ...eld supplied brackets or supports fastened to the structure NOTICE When determining appropriate location for termination consider the following guidelines 1 Comply with all clearance requirements stat...

Страница 36: ...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 t...

Страница 37: ...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 Se...

Страница 38: ...305 mm Vertical clearance to a soffitt located above the vent termination within a horizontal distance of 2 ft 61 cm from the centerline of the vent termination 6 ft 2 M Clearance to a ventilation ex...

Страница 39: ...tance to the property line of the adjacent lot no type of vent termination is permitted for appliances with inputs greater than 35 000 btuh There are no additional restrictions on unobstructed distanc...

Страница 40: ...on air inlet pipe a moisture trap may be added to the inlet pipe to help prevent moisture from entering the furnace from the combustion air inlet pipe See Fig 50 When sizing venting systems the equiva...

Страница 41: ...nnections The tee may also be connected to the intake air pipe on the side of the casing See Fig 50 In any configuration it will be necessary to add the equivalent length of the tee 15 feet 5 M to the...

Страница 42: ...t Length MEVL shown for that application for that specific furnace input size Compare the Total Equivalent Vent Length TEVL to the MEVL 8 If the Total Equivalent Vent Length is shorter than the Maximu...

Страница 43: ...let Restrictor disk P N 337683 401 1 25 in 32 mm Dia shipped in the loose parts bag or available through Replacement Components required under 10 ft 3 M TEVL in all orientations Required for installat...

Страница 44: ...warm hu mid spaces 6 Install the insulation per the insulation manufacturer s in stallation instructions NOTE Pipe length ft M specified for maximum pipe lengths located in unconditioned spaces canno...

Страница 45: ...er unused knockout may be used for combustion air connection UPFLOW VERTICAL VENT A11310A Fig 53 Upflow Configurations Appearance may vary See Notes for Venting Options 1 2 3 4 5 6 7 5 Rotate vent elb...

Страница 46: ...Vent Kit See Product Data for Current Kit Number HORIZONTAL RIGHT LEFT VENT CONFIGURATION A11336 ALTERNATE COMBUSTION AIR CONNECTIONS HORIZONTAL RIGHT RIGHT VENT CONFIGURATION A11335 Fig 56 Horizontal...

Страница 47: ...nter Design Temp C Unit Size 40 000 BTUH 60 000 BTUH Uninsulated 3 8 in Insulation 1 2 in Insulation Uninsulated 3 8 in Insulation 1 2 in Insulation Pipe Dia mm 38 51 64 38 51 64 38 51 64 38 51 64 76...

Страница 48: ...ter by the absence of an internal pipe stopping ring The vent pipe can pass through the vent pipe adapter it cannot pass through the inlet pipe adapter 2 Align the screw holes in the plastic vent pipe...

Страница 49: ...18 Complete the vent and combustion air pipe installation by connecting the concentric vent or by installing the required termination elbows as shown in Figs 39 40 and 49 For Ventilated Combustion Ai...

Страница 50: ...ewall for vent and when used combustion air pipes Sidewall holes for two pipe vent terminations should be side by side allowing space between the pipes for the elbows to fit on the pipes Holes in the...

Страница 51: ...its are ULC S636 listed CANADA 1 Installation in Canada must conform to the requirements of CAN CSA B149 code 2 Vent systems must be composed of pipe fittings cements and primers from the same supplie...

Страница 52: ...s Maximum Equivalent Vent Length MEVL 95 ft 29 M For 2 pipe from Table 13 Is TEVL less than MEVL YES Therefore 2 pipe MAY be used Example 2 A direct vent 60 000 BTUH furnace installed at 2100 ft 640M...

Страница 53: ...ndition before resetting switch DO NOT jumper this switch CAUTION Before operating furnace check flame rollout manual reset switch for continuity If necessary press button to reset switch EAC 1 115vac...

Страница 54: ...for certain gas heating values Refer to the instructions provided in the factory specified LP Propane conversion kit for instructions for setting gas manifold pressures for LP Propane applications NO...

Страница 55: ...jury death and or property damage Inlet pressure tap set screw must be tightened and 1 8 in NPT pipe plug must be installed to prevent gas leaks WARNING 14 Tighten set screw on inlet tower pressure ta...

Страница 56: ...from supply air temperature to determine temperature rise If the temperature rise is outside this range check the following 1 Gas input rate 2 Derate for altitude if applicable 3 Return and supply du...

Страница 57: ...the temperature limit control it can be es tablished that the limit is functioning properly and that the limit will operate if there is a restricted return air supply or motor failure If the limit co...

Страница 58: ...3 2 42 3 3 42 3 4 915 825 43 3 6 43 3 7 43 3 8 42 3 2 850 44 3 8 43 3 5 43 3 6 43 3 7 875 44 3 6 44 3 7 43 3 4 43 3 5 4000 900 44 3 4 44 3 5 44 3 7 44 3 8 1219 925 44 3 2 44 3 4 44 3 5 44 3 6 950 44 3...

Страница 59: ...4 2134 700 43 3 5 43 3 7 43 3 8 42 3 2 725 44 3 8 43 3 4 43 3 5 43 3 6 750 44 3 5 44 3 7 44 3 8 43 3 4 8000 775 44 3 3 44 3 4 44 3 5 44 3 7 2438 800 44 3 1 44 3 2 44 3 3 44 3 4 825 44 2 9 44 3 0 44 3...

Страница 60: ...60 440 01 4542 00 Specifications subject to change without notice A190035 Fig 65 Service Label Information...

Страница 61: ...ion Remove and recycle all components or materials i e oil refrigerant control board etc before unit final disposal CAUTION ELECTRICAL OPERATION HAZARD Failure to follow this caution may result in imp...

Страница 62: ...Component Self Test NOTE The furnace control component test allows all components to run for a short time except the gas valve and humidifier terminal HUM are not energized The EAC 1 terminal is ener...

Страница 63: ...spect the vent pipe vent system before each heating sea son for water leakage sagging pipes or broken fittings Have vent pipes vent system serviced by a qualified service agency 6 Inspect any accessor...

Страница 64: ...is positioned for proper rotation 9 Torque motor mounting bolts to 40 10 lb in when re assembling 10 Torque blower wheel set screw to 160 20 lb in when reassembling 11 Verify that blower wheel is cen...

Страница 65: ...40 to 70 ohms at room temperature and is stable over the life of the ignitor 19 Clean burner with a brush and a vacuum 20 Clean the flame sensor with fine steel wool 0000 grade Do not use sand paper o...

Страница 66: ...ely 7 Repeat steps 4 thru 6 with middle plug on upper corner of collector box 8 Remove the pressure switch tube from the collector box NOTE Do NOT blow into tube with tube connected to the pressure sw...

Страница 67: ...more than one disconnect switch Lock out and tag switch with a suitable warning label Verify proper operation after servicing Always reinstall access doors after completing service and maintenance WAR...

Страница 68: ...may occur CAUTION 1 Obtain propylene glycol RV swimming pool antifreeze or equivalent 2 Turn off gas and electrical supplies to your furnace 3 Remove furnace control door 4 Remove the top unused rubb...

Страница 69: ...d on Inducer motor will start and remain on until the end of the blower test then off The following components are on for 10 15 seconds each individually hot surface igniter blower speeds FAN if prese...

Страница 70: ...70 440 01 4542 00 Specifications subject to change without notice A190092 Fig 71 Troubleshooting Guide...

Страница 71: ...energized Simultaneously the electronic air cleaner terminal EAC 1 is energized and remains energized as long as the blower motor BLWM is energized f Blower Off Delay When the thermostat is satisfied...

Страница 72: ...72 440 01 4542 00 Specifications subject to change without notice 344443 2 Rev F A190038 Fig 72 Wiring Diagram...

Страница 73: ...r installing dealer or classified section of your local telephone directory under Heating Equipment or Air Conditioning Contractors and Systems headings for dealer listing by brand name or contact Int...

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