Table of Contents
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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.
© 2010 Trane
All Rights Reserved
Upflow / Horizontal and Downflow / Horizontal,
Gas-Fired, Direct Vent, 2-Stage Condensing
Furnaces with Variable Speed Inducer
*UH2B060A9V3VA
*UH2B080A9V3VA
*UH2B080A9V4VA
*UH2C100A9V4VA
*__First letter may be "A" or "T"
Please return to service information pack upon completion of work.
*UH2
UPFLOW
UPFLOW/HORIZONTAL
*UH2C100A9V5VA
*UH2D120A9V5VA
*DH2B060A9V3VA
*DH2B080A9V3VA
*DH2
Figure 1
Available in French Canadian (FC)
A341624P11
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Table of Contents
Related Manuals for Trane *UH2B060A9V3VA
Summary of Contents for Trane *UH2B060A9V3VA
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Page 1: Table Of Contents
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. Please return to service information pack upon completion of work. *DH2 *UH2 DOWNFLOW UPFLOW UPFLOW/HORIZONTAL DOWNFLOW/HORIZONTAL Figure 1 © 2010 Trane All Rights Reserved A341624P11... -
Page 2: Installer's Guide
Installer’s Guide SAFETY SECTION WARNING WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow safety warnings exactly, could result in a fire or explosion causing property damage, Failure to follow the steps outlined below for each personal injury or loss of life. appliance connected to the venting system being placed into operation could result in carbon monoxide poisoning or death. - Page 3 Installer’s Guide Careful consideration must be taken in the installation The following warning complies with State of California law, Proposition 65. process to avoid personal injury, property damage or equip- WARNING ment damage. These instructions do not cover all variations in systems or provide for every possible contingency.
- Page 4 Installer’s Guide Contents 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 Furnace. Safety Section Refer to the Furnace rating plate. 2.
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Page 5: General Installation Instructions
Installer’s Guide GENERAL INSTALLATION INSTRUCTIONS 4. Are there at least 3 inches of clearance between the Furnace combustion air openings in the front panel and The manufacturer assumes no responsibility for equipment any closed panel or door provided? installed in violation of any code or regulation. 5. - Page 6 Installer’s Guide 18-CD26D1-10...
- Page 7 Installer’s Guide 18-CD26D1-10...
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Page 8: Figure 4
Installer’s Guide Table 1 Required floor opening: (DOWNFLOW) INSTALLATION INSTRUCTIONS FLOOR OPENING PLENUM OPENING CABINET RETURN WARNING WIDTH DUCT WIDTH "A" "B" "C" "D" FIRE HAZARD. DO NOT INSTALL THE FURNACE DIRECTLY 17-1/2" 16-1/4" 16-5/8" 20-1/8" 15-5/8" 19-3/8" ON CARPETING, TILE OR OTHER COMBUSTIBLE MATE- 21"... -
Page 9: Air For Combustion And Ventilation
Installer’s Guide The horizontal Furnace may also be suspended from the Table 3 joists using all-thread rods with a substantial metal support MINIMUM AREA IN SQUARE FEET frame that supports the entire length of the furnace. The FOR UNCONFINED SPACE INSTALLATIONS rods need to be of sufficient length to allow for proper clear- FURNACE WITH 8 FT. -
Page 10: Duct Connections
Installer’s Guide * Furnaces installed near chemical storage areas. Exposure to the following substances in the combus- tion air supply will also require OUTDOOR AIR for combustion: * Permanent wave solutions * Chlorinated waxes and cleaners * Chlorine based swimming pool chemicals * Water softening chemicals * Deicing salts or chemicals * Carbon Tetrachloride... -
Page 11: Return Air Filters
Installer’s Guide Where there is no complete return duct system, the Slide the bottom return air panel out of the cabinet. return connection must be run full size from the Fur- Rotate the front channel to its original position and nace to a location outside the utility room, basement, reinstall the two 5/16”... - Page 12 Installer’s Guide The furnace and the bottom filter rack installation can be OPTIONAL FILTER RACK INSTALLATION FOR BOTTOM seen in Figure 14. RETURN The following checklist should be used when installing a return filter on an upflow furnace: a. Remove the filter. b.
- Page 13 Installer’s Guide Filter Rack SIDE CUTOUT Retaining Furnace Screw/Pin Filter Cabinet Rack Side RETAINING (Both Sides) Engagement Hole Filter Rack Installation With Bottom Return SPRINGS Bottom Panel BOTTOM FILTER BOTTOM ENGAGEMENT PANEL RACK INSTALLED Figure 18 RAILS Furnace Figure 21 Engagement Hole Blower Filter Rack...
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Page 14: Dh2B080A9V4Va *Dh2C100A9V4Va *Dh2D120A9V5Va
Installer’s Guide ALTERNATE UPFLOW FILTER INSTALLING THE FILTER CLIP / BRACKET INSTALLATION - KIT09224 The filter may need to be cut to fit the unit depending on the location of the return air filter. 1. Determine the location to be used. The furnace cabinet has dimples for location of the alternate furnace clips A score line and the words “CUT HERE”... -
Page 15: General Venting
Installer’s Guide GENERAL VENTING FURNACE EXHAUST MUST BE VENTED TO THE OUTDOORS. THESE FURNACES ARE INDUCED DRAFT WARNING VENTED AND MUST NOT BE CONNECTED TO ANY VENT SERVING ANOTHER APPLIANCE. PLEASE NOTE CARBON MONOXIDE POISONING HAZARD THAT THESE FURNACES USE POSITIVE-PRESSURE VENT SYSTEMS. - Page 16 Installer’s Guide For DIRECT VENT APPLICATION: The Furnaces must Vent be vented to the exterior of the house and combustion air MUST come through the inlet air pipe FROM OUTSIDE AIR. NOTE: BAYVENT200* accessories can be used for inlet and outlet terminals when the pipes do not exit the structure Inlet together.
- Page 17 Installer’s Guide VENT FITTING MATERIAL – PLASTIC NOTE: Follow venting instructions carefully when using PVC Gas and liquid tight single wall vent fittings, designed for cement. resistance to corrosive flue condensate, MUST be used throughout. IMPORTANT: All joints must be water tight. Flue condensate is somewhat acidic, and leaks can cause equipment Listed in Table 9, page 18, are designations for different damage.
- Page 18 Installer’s Guide Table 9 PVC VENT FITTING MATERIAL These fittings are available from your Gas Furnace Distributors. PLASTIC PIPE DESIGNATIONS ASTM STANDARD PIPE TYPE ALLOWABLE TEMPERATURE MARKING F891 CELLULAR CORE *158 ASTM F891 D2665 DWV PIPE **158 ASTM D2665 D1785 SCH 40, 80, 120 **158 ASTM D1785...
- Page 19 Installer’s Guide Table 10 VENT LENGTH TABLE MAXIMUM TOTAL EQUIVALENT LENGTH IN FEET ALTITUDE FOR VENT AND INLET AIR (SEE NOTES) 0-7,000 Feet 2 INCH PIPE 2.5 INCH PIPE 3 INCH PIPE *UH/DH2B060A9V3VA *UH/DH2B080A9V3VA *UH/DH2B080A9V4VA *UH/DH2C100A9V4VA Not Allowed *UH2C100A9V5VA *UH/DH2D120A9V5VA Not Allowed Not Allowed 7,000-9,500 Feet...
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Page 20: Horizontal Venting
Installer’s Guide HORIZONTAL VENTING (Upflow/ Horizontal) CAUTION When the vent pipe is exposed to temperatures below freezing, e.g., 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 insulation will not be required. - Page 21 Installer’s Guide CAUTION The vent for this appliance shall not terminate ANCHORS (4 req.) (1) Over public walways; or (2) Near sofit vents or crawl space vents or other areas VENT where condensate or vapor could create a nuisance or PLATE VENT hazard or cause property damage;...
- Page 22 TERMINATION remain with the appliance or equipment at the completion of installation. The venting system installation instructions can be obtained from the manufacturer by writing to the following address: Trane 12” MINIMUM ABOVE NORMALLY EXPECTED 6200 Troup Highway SNOW ACCUMULATION 1”...
- Page 23 Installer’s Guide SUPPORT HORIZONTAL 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. Figure 36 VENT 12 INCHES MIN. CLEARANCE MUST BE MAINTAINED ABOVE HIGHEST ANTICIPATED SNOW LEVEL.
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Page 24: Venting Through The Roof
Installer’s Guide VENTING THROUGH THE ROOF When penetrating roof with a 2" PVC vent pipe, a 2" electrical conduit flashing may be used for a weather tight seal. Lubricate flexible seal on flashing before PVC pipe is pushed through the seal. (Field Supplied) NOTE: No vent cap as shown in Figure 37 is the preferred method for vertical vent termination in extremely cold climates. - Page 25 Installer’s Guide INSIDE CORNER DETAIL X AIR SUPPLY INLET VENT TERMINAL AREA WHERE TERMINAL IS NOT PERMITTED Figure 42. HORIZONTAL VENT CLEARANCES Table 13 Non-Direct Vent Terminal Clearances Canadian Installations US Installations Clearance above grade, veranda, porch, deck, or 12 inches (30 cm) 12 inches (30 cm) balcony 6 inches (15 cm) for appliances =/<...
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Page 26: Downward Venting
Installer’s Guide Table 14 Direct Vent Terminal Clearances Canadian Installations US Installations Clearance above grade, veranda, porch, 12 inches (30 cm) 12 inches (30 cm) deck, or balcony 6 inches (15 cm) for appliances =/< 10,000 Btuh (3 kw), 6 inches (15 cm) for appliances =/< 10,000 Btuh (3 kw), Clearance to window or door that may be 12 inches (30 cm) for appliances >... -
Page 27: Condensate Drain Instructions
Installer’s Guide CONDENSATE DRAIN INSTRUCTIONS The inducer housing has a secondary drain opening at its Knock outs are provided on the left and right hand side of both furnace cabinets for drain connections IN VERTICAL 9 o’clock position. Remove the plug and use the plug to cover the hole at the 6 o’clock position. - Page 28 Installer’s Guide ALL HORIZONTAL APPLICATIONS ARE LEFT SIDE DRAIN ONLY HEADER OPEN/ VENTED DRAIN If upflow furnace is installed over a finished ceiling, overflow from the primary drain vent stack must flow into an auxillary UPFLOW FURNACE ON LEFT SIDE drain pan to prevent damage to the finished ceiling below.
- Page 29 Installer’s Guide HORIZONTAL APPLICATIONS VERTICAL APPLICATIONS Upflow furnace - The connection tubing for left and right Upflow and Downflow furnaces - All horizontal applica- side drainage is shipped in the blower compartment. Install tions are left side only. It is always recommended that the the connection tubing from the trap to the side of the unit and auxiliary drain pan be installed under a horizontally in- trim all excess tubing to avoid kinks.
- Page 30 Installer’s Guide the secondary recuperative cell. Remove the larger drain line (from the secondary cell) and trim to fit between the second- ary cell and the new trap location. On upflow units, plug the hole in the blower deck where the tube went through. Remove the hose from the induced blower and reposition into the other drain tap of the inducer, which is located 90°...
- Page 31 Installer’s Guide AUTOMATIC GAS VALVE AUTOMATIC GAS VALVE MAIN MANUAL WITH MANUAL SHUT-OFF WITH MANUAL SHUT-OFF SHUT-OFF VALVE MAIN MANUAL SHUT-OFF VALVE GROUND UNION GROUND JOINT UNION JOINT DRIP DRIP Figure 54. UPFLOW MAY BE LEFT OR RIGHT HAND GAS PIPING AUTOMATIC GAS VALVE AUTOMATIC...
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Page 32: Gas Piping
Installer’s Guide Gas Piping All gas fittings must be checked for leaks using a soapy solution before lighting the furnace. DO NOT CHECK WITH AN WARNING OPEN FLAME! HAZARD OF EXPLOSION! NEVER USE AN OPEN FLAME TO DETECT GAS LEAKS. Table 16 EXPLOSIVE CONDITIONS MAY OCCUR. - Page 33 Installer’s Guide 5. Adjust 1st stage gas heat by removing the low (LO) 2nd Stage (HI) Manifold adjustment regulator cover screw. Pressure Adjustment a. To increase outlet pressure, turn the regulator adjust screw clockwise. b. To decrease outlet pressure, turn the regulator adjust screw counterclockwise.
- Page 34 Installer’s Guide WARNING HAZARD OF EXPLOSION REPLACE AND/ OR TIGHTEN ALL PLUGS REMOVED OR LOOS- ENED WHEN ADJUST- ING GAS PRESSURE. LEAK CHECK THE FITTINGS BEFORE PLACING THE FURNACE INTO REGULAR SER- VICE. FAILURE TO FOLLOW THIS WARNING COULD RESULT IN FIRE, EXPLO- SION, PROPERTY DAMAGE, OR DEATH.
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Page 35: High Altitude Derate
Installer’s Guide HIGH ALTITUDE DERATE Table 21 Input ratings (BTUH) of these Furnaces are based on sea level operation and should not be changed at elevations up to Orifice 2,000 ft. ALTITUDE ABOVE SEA LEVEL Twist Drill Size If If the installation is 2,000 ft. or above, the Furnace input rate and Orifice Required At Other Elevations Installed (BTUH) shall be reduced 4% for each 1,000 ft. -
Page 36: Electrical Connections
Installer’s Guide Electrical Connections Make wiring connections to the unit as indicated on enclosed 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 protection device”... - Page 37 Installer’s Guide FIELD WIRING DIAGRAM FOR VARIABLE SPEED 2 STAGE FURNACE 2 STAGE HEATING USING A 2 STAGE HEATING THERMOSTAT NO COOLING 1. Be sure power agrees with equipment nameplates. 2. Low voltage (24 volt wiring) to be No. 18 A.W.G. min. 3.
- Page 38 Installer’s Guide FIELD WIRING DIAGRAM FOR VARIABLE SPEED 2 STAGE FURNACE 1 STAGE HEATING, 1 STAGE COOLING USING A 1 STAGE HEATING, 1 STAGE COOLING THERMOSTAT (OUTDOOR SECTION WITHOUT TRANSFORMER) W14 JUMPER SEE NOTE 9 OUTDOOR UNIT (NO TRANSFORMER) Y1/Ylo NOTE 7 FIELD ADDED JUMPER W1 TO W2.
- Page 39 Installer’s Guide FIELD WIRING DIAGRAM FOR VARIABLE SPEED 2 STAGE FURNACE 2 STAGE HEATING, 1 STAGE COOLING USING A 2 STAGE HEATING, 1 STAGE COOLING THERMOSTAT (OUTDOOR SECTION WITHOUT TRANSFORMER) NOTE 9 W14 JUMPER SEE NOTE 9 OUTDOOR UNIT (NO TRANSFORMER) Y1/Ylo NOTE 7 TO 115 V 1 PH.,...
- Page 40 Installer’s Guide FIELD WIRING DIAGRAM FOR VARIABLE SPEED 2 STAGE FURNACE 2 STAGE HEATING, 2 STAGE COOLING (OUTDOOR SECTION WITHOUT TRANSFORMER) OUTDOOR UNIT NO. 1 (NO TRANSFORMER) SEE NOTE 3 NOTE 7 OUTDOOR UNIT NO. 2 (NO TRANSFORMER) TO 115 V 1 PH., 60 HZ., POWER SUPPLY PER LOCAL CODES...
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Page 41: Control And Safety Switch Adjustments
Installer’s Guide Control and Safety Switch Adjustments Start-up and Adjustment Preliminary Inspections LIMIT SWITCH CHECK OUT The limit switch is a safety device designed to close the gas WARNING valve should the furnace become overheated. Since proper op- eration of this switch is important to the safety of the unit, it ELECTRIC SHOCK HAZARD must be checked out on initial start up by the installer. -
Page 42: Control And Safety Switch Adjustment
Installer’s Guide Table 22. FAN OFF -- DELAY OPTIONS NOTE TO INSTALLER Review warnings and the contents of USER’S INFORMA- NOMINAL SWITCH SETTINGS SELECTION TION MANUAL with the homeowner when installation is AIRFLOW complete and equipment is ready to be turned over to the homeowner for normal operation. - Page 43 Installer’s Guide INSTRUCTIONS TO THE OWNERS 4. GAS SUPPLY FAILURE WARNING If loss of flame occurs during a heating cycle, the system Integrated Control Module will recycle the ignition sequence, EXPLOSION HAZARD then if ignition is not achieved, the Integrated Control IN THE EVENT THAT ELECTRICAL, FUEL OR ME- Module will shut off the Gas Valve and lock out the system.
- Page 44 Installer’s Guide Table 23 IFC Error Flash Codes INTEGRATED FURNACE CONTROL LED FLASH CODES RED LED - LitePort DATA - 1 FLASH EVERY 20 SECONDS 2 Flashes --- RETRIES OR RECYCLES EXCEEDED 3 Flashes --- INDUCER OR PRESSURE SWITCH ERROR 4 Flashes --- OPEN LIMIT OR ROLLOUT SWITCH 5 Flashes ---...
- Page 45 Installer’s Guide Notes 18-CD26D1-10...
- Page 46 Literature Order Number 18-CD26D1-10 File Number 18-CD26D1-10 Supersedes 18-CD26D1-9 Trane Date 09/10 6200 Troup Highway Tyler, TX 75707 The manufacturer has a policy of continuous product and product data improvement; it reserves the right to change design and specifications without notice.