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Trane DX1B040A9241A manual

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Table of contents for the manual

  • Page 1

    *UX1B040A9241A *UX1B060A9241A *UX1B060A9361A *UX1B080A9241A *UX1B080A9421A 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 this unit. Please return to serv[...]

  • Page 2

    © 2008 Trane All Rights Reserved 18-CD19D6-32 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 locat[...]

  • Page 3

    18-CD19D6-32 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 5 Venting Material 1 [...]

  • Page 4

    4 18-CD19D6-32 Installer’ s Guide LOCA TION AND CLEARANCES The location of the furnace is normally selected by the architect, the builder, or the installer. However, before the furnace 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 pra[...]

  • Page 5

    18-CD19D6-32 5 Installer’ s Guide From Dwg. 21C341884 Rev. 6 *UX-C OUT LINE DRA WING (ALL DIMENSIONS ARE IN INCHES)[...]

  • Page 6

    6 18-CD19D6-32 Installer’ s Guide *DX-C DOWNFLOW / HORIZONT AL OUT LINE DRA WING (ALL DIMENSIONS ARE IN INCHES) From Dwg. 21C341885 Rev. 6[...]

  • Page 7

    18-CD19D6-32 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[...]

  • Page 8

    8 18-CD19D6-32 Installer’ s Guide The furnace may be placed horizontally in a crawl space on a pad or other noncombustible material which will raise the unit for sufficient protection from moisture. The furnace must be supported at both ends and the middle when installed horizontally. The furnace must also be elevated a minimum of 6 inches to all[...]

  • Page 9

    18-CD19D6-32 9 Installer’ s Guide 1. All air from inside the building as in Figure 8: The confined space shall be provided with two perma- nent openings communicating directly with an addi- tional room(s) of sufficient volume so that the com- bined volume of all spaces meets the criteria for an unconfined space. The total input of all gas utiliza[...]

  • Page 10

    10 18-CD19D6-32 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, [...]

  • Page 11

    18-CD19D6-32 11 Installer’ s Guide FILTER REMOVE FILTER FROM UPFLOW FURNACE WHEN RETURN DUCT IS ATTACHED TO FURNACE TOP SIDE (HORIZONTAL LEFT OR RIGHT APPLICATIONS) AS SHOWN. Close coupled (less than 36") return (filter directly beneath bottom side return) not recommended due to noise considerations. If used, securely attach 1/2" mesh m[...]

  • Page 12

    12 18-CD19D6-32 Installer’ s Guide VIEW ENGA GEMENT HOLE DET AIL (T ypical both sides and blo wer deck) Blower Dec k Engagement Hole NOTE: The narrow 14.5" width furnace cabinet prevents use of the filter rack for right side return. Pre-drill clearance holes and then attach filter clips with the screws provided. The filter clip with the leaf[...]

  • Page 13

    18-CD19D6-32 13 Installer’ s Guide Filter Rack Assembly Furnace Blower Deck Filter Rack Retaining Screw/Pin Engagement Hole For Return Filter Rack Installation With Side Furnace Cabinet Side BLOWER DECK i BOTTOM ENGAGEMENT Bottom P anel Filter Rack Furnace Cabinet Side Filter Rack Retaining Screw/Pin Engagement Hole For Bottom Return Filter Rack [...]

  • Page 14

    14 18-CD19D6-32 Installer’ s Guide REAR SIDE CUT -OUT AL TERNA TE FIL TER CLIPS LOCA TION Airflow Airflow d Two high velocity type air filters are required for each down- flow furnace. Downflow furnace filters must be located outside the furnace cabinet. Typical installations are shown in Figures 23 and 24. Tables 7 and 8 (page 13) provide inform[...]

  • Page 15

    18-CD19D6-32 15 Installer’ s Guide GENERAL VENTING The following steps shall be followed with each appli- ance remaining connected to the common venting sys- tem placed in operation, while the other appliances re- maining connected to the common venting system are not in operation. 1. Seal any unused openings in the common venting system. 2. Visu[...]

  • Page 16

    16 18-CD19D6-32 Installer’ s Guide PVC VENT FITTING MA TERIAL These fittings are available from your Gas Furnace Distributors. Straight Pipe Sections, Couplings, 45° Elbows, 60° El- bows, 90° Elbows, Vent or Sanitary Tee, or other neces- sary fittings may be 2", 2½", 3", or 4" diameter. The al- lowable materials are shown [...]

  • Page 17

    18-CD19D6-32 17 Installer’ s Guide Seal VENT PIPE with RTV sealant Seal INLET AIR PIPE with RTV sealant Front of Furnace VENT AND INLET AIR CONNECTIONS g Connection of the vent pipe to the vent collar should also be accomplished using RTV type sealant. This type sealant provides a connection which remains flexible and can be separated in the futu[...]

  • Page 18

    18 18-CD19D6-32 Installer’ s Guide DOWNFLOW/ HORIZONT AL VENTING T ABLE T ABLE 11 MAXIMUM VENT LENGTH: MODEL DIRECT VENT (2 PIPE SYSTEM) - MAXIMUM T OT AL EQUIV ALENT FEET FOR VENT AND INLET A IR PIPES (See Notes) NONDIRECT VEN T (1 PIPE SYSTEM) - MAXIMUM T OT AL EQUIV ALENT FEET FOR VENT PIPE ONL Y (See Notes) 2" PIPE & FITTINGS 2-1/2&q[...]

  • Page 19

    18-CD19D6-32 19 Installer’ s Guide T able 12 - See Figure 27 Direct V ent T erminal Clearances Canadian Installations US Installations A= Clearance above gr ade, veranda, 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) for appliances =/< 10,000 Btuh (3 kw), 12 inche[...]

  • Page 20

    20 18-CD19D6-32 Installer’ s Guide HORIZONT AL VENTING NOTE: Vent termination kit BA Y AIR30A VENT A or BA YVENT200B may be used instead of the horizontal and vertical termination options shown in the follow- ing figures. ▲ CAUTION ! When the vent pipe is exposed to temperatures below freezing, i.e., when it passes through unheated spaces, etc.[...]

  • Page 21

    18-CD19D6-32 21 Installer’ s Guide PITCH – Venting through the wall must maintain 1/4" per foot pitched upward to insure that condensate drains back to the furnace. FLUE GAS DEGRADA TION – The moisture content of the flue gas may have a detrimental effect on some building materials. This can be avoided by using the roof or chimney ventin[...]

  • Page 22

    22 18-CD19D6-32 Installer’ s Guide NOT E: VENT AND INLET MUST BE SUPPORTED A T A MAXIMUM OF 3' INTERV ALS 4 0" UPFLOW OR DOWNFLOW MODELS SEE VENTING TABLE OUTSIDE WALL NOTE: ANY FITTINGS PASSING THROUGH AN UNHEATED SPACE MUST BE INSULATED. FIRST SUPPORT SHOULD BE AS CLOSE TO FURNACE CONNECTION AS POSSIBLE. UPWARD PITCH -- 1/4" PER [...]

  • Page 23

    18-CD19D6-32 23 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[...]

  • Page 24

    24 18-CD19D6-32 Installer’ s Guide . GALVANIZED FIRESTOP SHOULD BE FABRICATED WITH 3-7/8" DIA. HOLE FOR SUPPORT FLANGE (12" x 12" PANEL OR 12" DIA MIN.) VENTING THROUGH CEILING CEILING SUPPORT FLANGE FLUE PIPE COUPLING SEAL BETWEEN FLANGE, PIPE, COUPLING AND METAL PANEL WITH HI TEMP RTV SILICONE SEALANT CLEARANCE ( 0" ACC[...]

  • Page 25

    18-CD19D6-32 25 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[...]

  • Page 26

    26 18-CD19D6-32 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 PROPERTY 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[...]

  • Page 27

    18-CD19D6-32 27 Installer’ s Guide HORIZONTAL APPLICATIONS Upflow and Downflow furnaces - All horizontal ap- plications are left side only. It is always recommended that the auxiliary drain pan be installed under a hori- zontally installed evaporator and/or 90% gas furnace. Connect the auxiliary drain pan to a separate drain line (no trap is need[...]

  • Page 28

    28 18-CD19D6-32 Installer’ s Guide NOTE: Use 1/2" or larger PVC or CPVC pipe and fittings as re- quired for drain connections (fittings, pipe and solvent cement not provided). NOTE: A corrosion resistant condensate pump must be used if a pump is required for a specific drain system. IMPORT ANT: The condensate drain should be installed with p[...]

  • Page 29

    18-CD19D6-32 29 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 dev[...]

  • Page 30

    TWIN TWIN R1 R1 TWINNING CONNECTION DIAGRAM FOR TWINNING 1 ST AGE FURNACES WITH SINGLE WIRE TWINNING FEA TURE 1 ST AGE HEA TING ONL Y THERMOST A T 1 ST A GE HEA T ONL Y THERMOST A T (WITH F AN SWITCH) FURNACE NO . 1 FURNACE NO. 2 BLOWER OPERA TION OF UNIT NO. 2 IS SYNCRONIZED WITH UNIT NO. 1 VIA SIGNALS FROM TWIN CONNECTION. SEE NOTE 4 SEE NOTE 3 I[...]

  • Page 31

    18-CD19D6-32 31 Installer’ s Guide The furnace must be isolated from the gas supply piping by closing its individual manual shut-off valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psig (3.5 kPa). NOTE: Maximum pressure to the gas valve for natural gas is 13.8" W.C. Minimum pressu[...]

  • Page 32

    32 18-CD19D6-32 Installer’ s Guide T ABLE 13 NA TURAL GAS ONL Y T ABLE OF CUBIC FEET PER HOUR OF GAS 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 4 6 3/4 278 190 152 130 115 105 96 1 520 350 285 245 215 195 180 1-1/4 1050 730 590 520 440 400 370 This table is based on pressure drop of 0.[...]

  • Page 33

    18-CD19D6-32 33 Installer’ s Guide NOTE: The manifold pressure must be referenced to the burner box. The burner box pressure tap equalizes the gas valve pressure regulator. Manifold pressure is checked by installing a tee (field supplied) in the tub- ing, between the tee coming from the burner box tube and the gas valve, in addition to the regula[...]

  • Page 34

    34 18-CD19D6-32 Installer’ s Guide HIGH ALTITUDE DERA TE Input ratings (BTUH) of these furnaces are based on sea level operation and should not be changed at eleva- tions up to 2,000 ft. If the installation is 2,000 ft. or above, the furnace input rate (BTUH) shall be reduced 4% for each 1,000 ft. above sea level. The furnace input rate shall be [...]

  • Page 35

    18-CD19D6-32 35 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[...]

  • Page 36

    36 18-CD19D6-32 Installer’ s Guide furnace reaches the maximum outlet temperature as shown on the rating plate, the burners must shut off. If they do not shut off after a reasonable time and over- heating is evident, a faulty limit switch is probable and the limit switch must be replaced. After checking the operation of the limit control, be sure[...]

  • Page 37

    18-CD19D6-32 37 Installer’ s Guide BURNER BOX TEMPERA TURE LIMIT DEVICE All models are equipped with a manual reset tempera- ture limit located on the burner box. In case of exces- sive temperature, the limit will open and cause the cir- cuit to open which shuts off all flow of gas. ABNORMAL CONDITIONS 1 . EXCESSIVE COMBUSTION PRESSURE (WIND IN E[...]

  • Page 38

    38 18-CD19D6-32 Installer’ s Guide[...]

  • Page 39

    18-CD19D6-32 39 Installer’ s Guide INTEGRATED FURNACE CONTROL ERR OR FLASH CODES Flashing Slo w --- Nor mal - No call f or Heat Flashing F ast --- Nor mal - Call f or Heat Continuous ON --- Replace IFC Continuous OFF --- Chec k P ower 2 Flashes --- System Lock out (Retr ies or Recycles e xceeded) 3 Flashes --- Draft Pressure Error - P ossible pro[...]

  • Page 40

    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-CD19D6-32 File Number 18-CD19D6-32 Supersedes 18-CD19D6-31 [...]