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ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
IMPORTANT — This Document is customer property and is to remain with this unit.
*UD1-H
Upflow/ Horizontal*
*Horizontal Conversion for these furnaces may be left or right side rotation.
Installer's Guide
High Efficiency Single Stage Upflow/ Horizontal
and Downflow/ Horizontal Gas-Fired Furnaces,
"Fan Assisted Combustion System"
*UD1A040A9H21B
*UD1A040G9H21A
*UD1B060A9H31B
*UD1B060G9H31A
*UD1B080A9H31B
*UD1B080G9H31A
*UD1C080A9H41B
*UD1C080G9H41A
*__First letter may be "A" or "T"
Please return to service information pack upon completion of work.
For VENT SIZING INFORMATION see:
USA —
National Fuel Gas Code ................ ANSI Z223.1/NFPA 54 (latest version)
CANADA —
Natural Gas Installation Code ..............CAN/CGA-B149.1 (latest version)
Propane Installation Code ....................CAN/CGA-B149.2 (latest version)
USA/CANADA ALTERNATE —
Category I Venting Guide ......................................Pub. No. 18-CH23D1-2
*UD1B100A9H31B
*UD1B100G9H31A
*UD1C100A9H51B
*UD1C100G9H51A
*UD1D120A9H51B
*UD1D120G9H51A
*UD1D140A9H51B
*UD1D140G9H51A
*DD1-H
Downflow/ Horizontal*
18-CD21D1-12
*DD1B060A9H31B
*DD1B080A9H31B
*DD1C100A9H51B
*DD1D120A9H51B
A341789P07
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Table of Contents
Related Manuals for Trane AUD1A040A9H21B
Summary of Contents for Trane AUD1A040A9H21B
- Page 1 18-CD21D1-12 Installer’s Guide High Efficiency Single Stage Upflow/ Horizontal and Downflow/ Horizontal Gas-Fired Furnaces, “Fan Assisted Combustion System” *UD1A040A9H21B *UD1B100A9H31B *DD1B060A9H31B *UD1A040G9H21A *UD1B100G9H31A *DD1B080A9H31B *UD1B060A9H31B *UD1C100A9H51B *DD1C100A9H51B *UD1B060G9H31A *UD1C100G9H51A *DD1D120A9H51B *UD1B080A9H31B *UD1D120A9H51B *UD1B080G9H31A *UD1D120G9H51A *UD1C080A9H41B *UD1D140A9H51B *UD1C080G9H41A *UD1D140G9H51A *__First letter may be “A” or “T” ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES IMPORTANT —...
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Page 2: Safety Section
Massachusetts. d. The furnace input rate and temperature rise must be verified to be within nameplate mark- ing. e. 100% of the furnace combustion air requirement must come from outside the structure. 18-CD21D1-12 © 2013 Trane All Rights Reserved... -
Page 3: Table Of Contents
Installer’s Guide Contents Safety signal words are used to designate a degree or level of seriousness associated with a particular hazard. The signal words for safety markings are Installation Instructions WARNING, and CAUTION. a. WARNING indicates a potentially hazardous situa- General Installation Instructions tion which, if not avoided, could result in death or Location and Clearances... -
Page 4: General Installation Instructions
Installer’s Guide GENERAL INSTALLATION INSTRUCTIONS LOCATION AND CLEARANCES The location of the furnace is normally selected by the The manufacturer assumes no responsibility for equip- architect, the builder, or the installer. However, before ment installed in violation of any code or regulation. the furnace is moved into place, be sure to consider the It is recommended that Manual J of the Air Condition- following requirements:... - Page 5 Installer’s Guide 18-CD21D1-12...
- Page 6 Installer’s Guide 18-CD21D1-12...
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Page 7: Upflow Installation
Installer’s Guide UPFLOW INSTALLATION REQUIRED FLOOR OPENING: (DOWNFLOW) Standoffs and screws (See Figure 1 on page 6) are in- SEE FIGURE 3 AND TABLE 1 cluded with the cased coils for attachment to the fur- nace. There are clearance alignment holes near the bottom of the coil wrapper and drill screws are used to A (width) engage the furnace top flange. -
Page 8: Air For Combustion And Ventilation
Installer’s Guide forward most screw on the side of the furnace may be used to connect the strapping (See Figure 6). Line con- tact is only permissible between lines formed by the UNCONFINED intersection of the top and two sides of the furnace cas- 50 CU. - Page 9 Installer’s Guide 1. All air from inside the building as in Figure 9: The TABLE 3 confined space shall be provided with two perma- MINIMUM FREE AREA IN SQUARE INCHES nent openings communicating directly with an EACH OPENING (FURNACE ONLY) additional room(s) of sufficient volume so that the Furnace Air From Outside...
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Page 10: Duct Connections
Installer’s Guide DUCT CONNECTIONS All return air duct systems should provide for installa- Air duct systems should be installed in accordance tion of return air filters. with standards for air conditioning systems, National PREPARATION FOR UPFLOW BOTTOM AND SIDE Fire Protection Association Pamphlet No. 90. They RETURN AIR FILTER INSTALLATION should be sized in accordance with ACCA Manual D All return air duct systems should provide for installa-... -
Page 11: Return Air Filters
Installer’s Guide REMOVE FILTER FROM UPFLOW FURNACE WHEN RETURN DUCT IS CUT OUT ATTACHED TO FURNACE TOP SIDE (HORIZONTAL LEFT OR RIGHT AP- SIDE LOCATING PLICATIONS) AS SHOWN. FILTER NOTCHES FILTER PROVIDED FOR SIDE RETURN CUTOUT FRONT of Furnace SEE OUTLINE DRAWING Close coupled (less than 36") return (filter directly beneath bottom side return) not recommended due to... -
Page 12: Cd21D1
Installer’s Guide TABLE 4 ALTERNATE FILTER RACK INSTALLATION FOR SIDE RETURN AIR ON UPFLOW FURNACES (LEFT OR RIGHT) - UPFLOW FURNACE RETURN AIR FILTERS BAYRACK960 CABINET CABINET CABINET QTY* The following checklist should be used when installing WIDTH BOTTOM FILTER SIDE FILTER a right or left side return filter on an upflow furnace: 14-1/2"... -
Page 13: Typical Downflow Furnace Return Air Filter Installations
Installer’s Guide Filter Furnace Rack Cabinet Side Filter Rack Retaining Screw/Pin Engagement Hole Filter Rack Installation With Bottom Return Filter Rack Retaining Furnace RETURN AIR FILTERS FOR UPFLOW FURNACE IN Screw/Pin Filter Cabinet HORIZONTAL CONFIGURATION Rack Side When the Upflow Furnace is installed in the horizontal configuration, the return air filters must be installed exterior to the furnace cabinet. -
Page 14: General Venting Instructions
Installer’s Guide GENERAL VENTING INSTRUCTIONS TABLE 5 CABINET FILTER FILTER BRACKET WARNING WIDTH SIZE LOCATION * CARBON MONOXIDE POISONING HAZARD 14-1/2" 2 - 14X20X1 12-7/8" Failure to follow the steps outlined below for each 17-1/2" 2 - 16X20X1 14-3/8" appliance connected to the venting system being 21"... -
Page 15: Venting Into A Masonry Chimney
Installer’s Guide VENT PIPING TABLE 7 These furnaces have been classified as Fan-Assisted MASONRY CHIMNEY VENTING Combustion System, Category I furnaces under the Tile Lined Chimney Chimney Lining “latest edition” provisions of ANSI Z21.47 and CAN/ Type Furnace Flexible CGA 2.3 standards. Category I furnaces operate with a Internal External “B”... -
Page 16: Electrical Connections
Installer’s Guide TABLE 8 ELECTRICAL CONNECTIONS WARNING GAS VENT TERMINATION ROOF PITCH MINIMUM HEIGHT The cabinet must have an uninterrupted or unbroken ground according to National Electrical Code, ANSI/ FLAT TO 7/12 1.0 FEET * OVER 7/12 TO 8/12 1.5 FEET NFPA 70 –... -
Page 17: Field Wiring Diagrams
Installer’s Guide FIELD WIRING DIAGRAM FOR 1 STAGE FURNACE 1 STAGE HEATING USING A 1 STAGE HEATING THERMOSTAT NO COOLING FURNACE NOTE 7 TWIN TO 115 V 1 PH., NOTE 6 60 HZ., POWER SUPPLY PER LOCAL CODES HUM SEE NOTE 5 From Dwg. - Page 18 Installer’s Guide TWINNING These furnaces may be twinned. Twinning requires that two furnaces with the same configuration, capac- ity, and airflow must be used. They shall have common returns with equal pressure drops or ducts with equiv- alent lengths and sizes. See Field Wiring Diagrams be- low for proper hookup.
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Page 19: Gas Piping
Installer’s Guide GAS PIPING WARNING WARNING FIRE OR EXPLOSION HAZARD Failure to follow the safety warnings exactly could re- FIRE - EXPLOSION HAZARD sult in serious injury, death or property damage. Never DO NOT RUN FLEXIBLE GAS LINE THROUGH THE test for gas leaks with an open flame. -
Page 20: Start Up And Adjustment
Installer’s Guide As the induced draft blower comes up to speed, the 5. Use the following factors if necessary: pressure switch contacts will close and the ignitor For 1 Cu. Ft. Dial Gas Flow CFH = warm up period will begin. The ignitor will heat for Chart Flow Reading ÷... -
Page 21: High Altitude Derate
Installer’s Guide HIGH ALTITUDE DERATE 9. Using a leak detection solution or soap suds, check Input ratings (BTUH) of these furnaces are based on for leaks at the pressure outlet boss and pressure sea level operation and should not be changed at eleva- tap test screw. -
Page 22: Lighting Instructions
Installer’s Guide TABLE 13 TABLE 14 GAS FLOW IN CUBIC FEET PER HOUR Orifice ALTITUDE ABOVE SEA LEVEL 2 CUBIC FOOT DIAL Twist Drill Size If and Orifice Required At Other Elevations SEC. FLOW SEC. FLOW SEC. FLOW SEC. FLOW Installed At Sea 2000 3000 4000 5000 6000 7000 8000 9000 10000... -
Page 23: Control And Safety Switch Adjustment
Installer’s Guide CONTROL AND SAFETY SWITCH INSTRUCTIONS TO THE OWNERS In the event that electrical, fuel, or mechanical ADJUSTMENT failures occur, the owner should immediately LIMIT SWITCH CHECK OUT turn the gas supply off at the manual gas valve, The limit switch is a safety device designed to close the located in the burner compartment (See Figure gas valve should the furnace become overheated. - Page 24 Gas valve circuit error 8 Flashes --- Low flame sense signal 9 Flashes --- Check Ignitor Circuit and Line "N" to 24VAC "Common" voltage (< 2 volts) [possible grounding problem] Trane 6200 Troup Highway File Number 18-CD21D1-12 Tyler, TX 75707...
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