Trane DX1B080A9H31B manual

*UX1B040A9H21B *UX1B060A9H31B *UX1B080A9H31B *UX1C100A9H41B *UX1D120A9H51B High Efficiency Single Stage Upflow/ Horizontal and Downflow/ Horizontal Gas-Fired, Direct Vent Condensing Furnaces ALL phases of this installation must comply with NA TIONAL, ST A TE AND LOCAL CODES IMPORT ANT — This Document is customer property and is to remain with thi[...]

© 2008 Trane All Rights Reserved 18-CD22D1-8 Installer’ s Guide SAFETY SECTION The following safety practices and precautions must be followed during the installation, servicing, and operation of this furnace. 1. Use only with the type of gas approved for this fur- nace. Refer to the furnace rating plate. 2. Install this furnace only in a locati[...]

18-CD22D1-8 3 Installer’ s Guide INST ALLA TION INSTRUCTIONS General Installation Instructions 3 Location and Clearances 4 Outline Drawings 5 Upflow Installation 7 Downflow Installation 7 Horizontal Installation 7 Air For Combustion and Ventilation 8 Duct Connections 1 0 Return Air Filters 1 1 General Venting Instructions 1 4 Venting Material 1 5[...]

4 18-CD22D1-8 Installer’ s Guide LOCA TION AND CLEARANCES The location of the furnace is normally selected by the ar- chitect, the builder, or the installer. However, before the fur- nace is moved into place, be sure to consider the following requirements: 1. Is the location selected as near the vent and as cen- tralized for heat distribution as [...]

18-CD22D1-8 5 Installer’ s Guide From Dwg. 21C341884 Rev. 1 *UX1-H OUT LINE DRA WING (ALL DIMENSIONS ARE IN INCHES)[...]

6 18-CD22D1-8 Installer’ s Guide From Dwg. 21C341885 Rev. 0 *DX1-H DOWNFLOW/ HORIZONT AL OUT LINE DRA WING (ALL DIMENSIONS ARE IN INCHES)[...]

18-CD22D1-8 7 Installer’ s Guide UPFLOW INST ALLA TION Standoffs and screws (See Figure 1) are included with the cased coils for attachment to the furnace. There are clearance alignment holes near the bottom of the coil wrapper. Drill screws are used to engage the furnace top flanges. The standoff is inserted into the cabinet alignment hole. The [...]

8 18-CD22D1-8 Installer’ s Guide The furnace must also be elevated a minimum of 6 inches to allow clearance for the condensate drain to exit the cabinet in the horizontal position. The horizontal furnace may also be suspended from the joists using 3/8" all-thread rods with pieces of angle iron underneath the furnace to form a hanging rack at[...]

18-CD22D1-8 9 Installer’ s Guide 6 MINIMUM AREA IN SQU ARE FEET FOR UNCONFINED SP ACE INST ALLA TIONS FURNA CE MAXIMUM BTUH INPUT RA TING WITH 8 FT . CE ILING MINIMUM AREA IN SQU ARE FEET OF UNCONFINED SP ACE 60,000 80,000 100,000 120,000 375 500 625 875 1. All air from inside the building as in Figure 8: The confined space shall be provided with[...]

10 18-CD22D1-8 Installer’ s Guide DUCT CONNECTIONS Air duct systems should be installed in accordance with standards for air conditioning systems, National Fire Protection Association Pamphlet No. 90. They should be sized in accordance with ACCA Manual D or which- ever is applicable. Central furnaces, when used in connection with cooling units, s[...]

18-CD22D1-8 11 Installer’ s Guide 9. The horizontal installation of the upflow furnace requires an external filter section. Do NOT use the bottom return filter within the furnace. Filter kits are available for horizon- tal applications. 10. Connect duct work to furnace. See Outline Drawing for supply and return duct size and location. Flex- ible [...]

12 18-CD22D1-8 Installer’ s Guide e RETURN AIR FILTERS FOR UPFLOW FURNACE IN HORIZONT AL CONFIGURA TION When the Upflow Furnace is installed in the horizontal configuration, the return air filters must be installed exterior to the furnace cabinet. Remote filter grilles may be used for homeowner convenience or the filters may be installed in the d[...]

18-CD22D1-8 13 Installer’ s Guide T ABLE 6 MINIMUM CLEARANCE FROM COMBUSTIBLE MA TERI ALS FOR UPFLO W/HORIZONT AL AND DOWNFLO W/ HORIZONT AL FURNA CES UNIT LOCA TION FURNA CE SURF ACE VER TICAL CLOSET HORIZONT AL CLOSET HORIZONT AL ALCO VE / A TTI C SIDES 0" 1" 0" BA CK 0" 3" 6" TO P 1 " 1 " 1 " FRONT [...]

14 18-CD22D1-8 Installer’ s Guide 3. Insofar as is practical, close all building doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spaces of the building. Turn on clothes dryers and any appliances not connected to the common venting system. Turn on any [...]

18-CD22D1-8 15 Installer’ s Guide NO TE: It is recommended that the first joints from the furnace be connected and sealed with high temperature RTV. This will enable the pipes to be removed later without cutting. Be sure to properly support these joints. BONDING OF PVC Commercially available solvent cement must be used to join the pipe and fittin[...]

16 18-CD22D1-8 Installer’ s Guide HORIZONT AL INST ALLA TION (Upflow/ Horizontal or Downflow/ Horizontal) NO TE: In horizontal venting when the factory supplied “off- set” (2X3 reducing coupling) is used for 3” vent pipe installation, make sure the marking “Top” is located on the top side of the pipe. The straight side must be on bottom[...]

18-CD22D1-8 17 Installer’ s Guide MAXIMUM VENT LENGTH: MODEL DIRECT VENT (2 PIPE SYSTEM) - MAXIMUM T O T AL EQUIV ALENT FEET FO R VENT AND INLET AIR PIPES (See Notes) NONDIRECT VENT (1 PIPE SYSTEM) - MAXIMUM T OT AL EQUIV ALENT FEET FOR VENT PIPE ONL Y (See Notes) 2" PIPE & FITTIN GS 2-1/2" PIPE & FITTINGS 3" PIPE & FIT[...]

18 18-CD22D1-8 Installer’ s Guide Direct V ent T erminal Clearances Canadian Installations US Installations A= Clearance abov e grade, v eranda, porch, deck , or balcony 12 inches (30 cm) 12 inches (30 cm) B= Clearance to window or door that may be opened 6 inches (15 cm) f or appliances =/< 10,000 Btuh ( 3 kw), 12 inches (30 cm) fo r applianc[...]

18-CD22D1-8 19 Installer’ s Guide Non-Direct V e nt T erminal Clearances Canadian Installations US Installations A= Clearance above gr ade, veranda, porch, deck, or balcon y 12 inches (30 cm) 12 inches (30 cm) B= Clearance to window or door that may be opened 6 inches (15 cm) for appliances =/< 10,000 Btuh (3 kw), 12 inches (30 cm) for applian[...]

20 18-CD22D1-8 Installer’ s Guide ▲ CAUTION ! When the vent pipe is exposed to temperatures below freezing, i.e., when it passes through unheated spaces, etc., the pipe must be insulated with 1/2 inch (22.7 mm) thick Armaflex-type insulation or equal. If the space is heated sufficiently to prevent freezing, then the insula- tion would not be re[...]

18-CD22D1-8 21 Installer’ s Guide ; SUPPORT HORIZONT AL PIPE EVERY 3' 0" WITH THE FIRST SUPPORT AS CLOSE TO THE FURNACE AS POSSIBLE. INDUCED DRAFT BLOWER, HOUSING, AND FURNACE MUST NOT SUPPORT THE WEIGHT OF THE FLUE PIPE. NOT E: VENT AND INLET MUST BE SUPPORTED A T A MAXIMUM OF 3' INTERV ALS 4 0" UPFLOW OR DOWNFLOW MODELS SEE [...]

22 18-CD22D1-8 Installer’ s Guide VENTING ROUTED THROUGH A MASONRY CHIMNEY VENT FITTING MA TERIAL – ST AINLESS STEEL Gas and liquid tight single wall metal vent fitting, de- signed for resistance to corrosive flue condensate such as Type 29-4C MUST be used throughout. These fittings and fitting accessories are to be supplied locally. DIRECTION [...]

18-CD22D1-8 23 Installer’ s Guide I MPORT ANT: The Commonwealth of Massachusetts requires compliance with regulation 248 CMR 4.00 and 5.00 for installation of through – the – wall vented gas appliances as follows: For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in [...]

24 18-CD22D1-8 Installer’ s Guide n SUPPORT THE SINGLE WA L STAINLESS STEEL GAS VENTING AND CENTER IT I N THE CHIMNEY OPENING WI T ANGLES AS SHOWN OR ANOTHER EQUIVALENT MANNER. NOTE: HORIZONTAL VENTING TO VERTICAL VENTING 6 IN. MIN. E E CAUTION STAINLESS STEEL VENT CAP TYPE 29-4C ST AINLESS STEEL VENTING - USED THROUGH CHIMNEY THA T VENTS ANOTHER[...]

18-CD22D1-8 25 Installer’ s Guide CONDENSA TE DRAIN INSTRUCTIONS ▲ ▲ CAUTION ! IT IS RECOMMENDED THA T A DRAIN P AN BE INST ALLED UNDER THE FURNACE T O PREVENT PROPER TY D AMA GE, PERSONAL INJUR Y OR DEA TH FROM LEAKING CONDEN- SA TE. VERTICAL A PPLICA TIONS Upflow furnace - The connection tubing for left and right side drainage is shipped in[...]

26 18-CD22D1-8 Installer’ s Guide The trap must be repositioned to the exterior of the cabinet. Remove the trap from its present location and reposition the trap outside of the unit, through the long circular hole, next to the secondary recuperative cell. Remove the larger drain line (from the secondary cell) and trim to fit between the secondary[...]

18-CD22D1-8 27 Installer’ s Guide ELECTRICAL CONNECTIONS Make wiring connections to the unit as indicated on en- closed wiring diagram. As with all gas appliances using electrical power, this furnace shall be connected into a permanently live electric circuit. It is recommended that furnace be provided with a separate “circuit protec- tion devi[...]

28 18-CD22D1-8 Installer’ s Guide OUTDOOR UNIT (NO TRANSFORMER) SEE NOTE 6 F rom drawing B340388 Rv 2 SEE NOTE 8 FURNACE B/C B/C TO 115 V 1 PH., 60 HZ., POWER SUPPL Y PER LOCAL CODES HUM SEE NOTE 5 EAC SEE NOTE 5 FIELD WIRING DIA GRAM FOR 1 ST AGE FURNA CE 1 ST AGE HEA TING, 1 ST A GE COOLING USING A 1 ST AGE HEA TING, 1 ST A GE COOLING THERMOST [...]

18-CD22D1-8 29 Installer’ s Guide TWIN TWIN R1 R1 TWINNING CONNECTION DIAGRAM FOR TWINNING 1 ST AGE FURNA CES WITH SINGLE WIRE TWINNING FEA TURE 1 ST AGE HEA T / 1 ST AGE COOL THERMOST A T 1 ST AGE HEA TING / COOLING THERMOST A T FURNACE NO . 1 FURNACE NO . 2 BLOWER OPERA TION OF UNIT NO. 2 IS SYNCRONIZED WITH UNIT NO. 1 VIA SIGNALS FROM TWIN CON[...]

30 18-CD22D1-8 Installer’ s Guide UPFLOW – LEFT HAND GAS PIPING UPFLOW – RIGHT HAND GAS PIPING * AUTOMA TIC GAS V ALVE WITH MANUAL SHUTOFF MAIN MANUAL SHUTOFF V ALVE GROUND UNION JOINT DRIP LEG AUTOMA TIC GAS V ALVE WITH MANUAL SHUTOFF MAIN MANUAL SHUTOFF V ALVE GROUND UNION JOINT DRIP LEG THE DOWNFLOW (VERTICAL) MA Y BE INST ALLED LEFT OR RI[...]

18-CD22D1-8 31 Installer’ s Guide ▲ CAUTION ! Use a backup wrench on the gas valve when installing gas piping to prevent damage to the gas valve and manifold assembly. T ABLE 10 NA TURAL GAS ONL Y T ABLE OF CUBIC FEET PER HOUR OF G AS FOR V ARIOUS PIPE SIZES AND LENGTHS PIPE SIZE LENGTH OF PIPE 10 20 30 40 50 60 70 1/2 132 92 73 63 56 50 46 3/4[...]

32 18-CD22D1-8 Installer’ s Guide Input rate changes can be made by adjusting the mani- fold pressure (min 3.0 - max 3.7 in. W.C. - Natural Gas) or changing orifices (orifice change may not always be required). If the desired input rate can not be achieved with a change in manifold pressure, then the orifices must be changed. LP installations wil[...]

18-CD22D1-8 33 Installer’ s Guide ANSI Z223.1/ NFPA 54 or National Standard of Canada, Natural Gas and Propane Installation Code, CSA B149.1 . Installation of this furnace at altitudes above 2,000 ft. (610m) shall be made in accordance with the listed high Altitude Conversion Kit available with this furnace. IMPORT ANT: Re-install the propane ori[...]

34 18-CD22D1-8 Installer’ s Guide LIGHTING INSTRUCTIONS ▲ WARNING ! DO NO T attempt to manually light the burner. Failure to follow this warning could result in property damage, personal injury or death. Lighting instructions appear on each unit. Each instal- lation must be checked out at the time of initial start up to insure proper operation [...]

18-CD22D1-8 35 Installer’ s Guide AIRFLOW ADJUSTMENT Check inlet and outlet air temperatures to make sure they are within the ranges specified on the furnace rat- ing nameplate. If the airflow needs to be increased or decreased, see the wiring diagram for information on changing the speed of the blower motor. ▲ WARNING ! Disconnect power to the[...]

36 18-CD22D1-8 Installer’ s Guide 8. RESET A FTER BURNER BOX LIMIT SHUTDOWN If the furnace shuts down, one thing that can be checked is the burner box temperature limit switch. It is located on the bottom of the burner box. The vent and combustion air inlet terminations should be checked for blockage. If blockage exists, clear the problem and the[...]

18-CD22D1-8 37 Installer’ s Guide INTEGRATED FURNACE CONTR OL ERR OR FLASH CODES Flashing Slow --- Nor mal - No call f or Heat Flashing F ast --- Nor mal - Call f or Heat Continuous ON --- Replace IFC Continuous OFF --- Check P ow er 2 Flashes --- System Lock out (Retries or Recycles exceeded) 3 Flashes --- Draft Pressure Error - P ossible prob l[...]

Since the manufacturer has a policy of continuous product and product data improvement, it reserves the right to change design and specifications without notice. Trane 6200 Troup Highway Tyler, TX 75707 For more information contact your local dealer (distributor) Literature Order Number 18-CD22D1-8 File Number 18-CD22D1-8 Supersedes 18-CD22D1-7 Dat[...]