Trane UD2B060ACV32A Series Installer's Manual

Variable speed, 2-stage communicating or 24v upflow/horizontal and downflow/horizontal, gas-fired furnaces, “fan assisted combustion system”

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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.

*UD2-ACV

Upflow / Horizontal 1

Left

1 Horizontal Conversion for these furnaces may be left or right side rotation.

2 Horizontal Conversion for these furnaces may be left or right side rotation (Important: See venting applications, page 8).

Installer's Guide

Variable Speed, 2-Stage Communicating or 24V

Upflow / Horizontal and Downflow / Horizontal,

Gas-Fired Furnaces, "Fan Assisted

Combustion System"

*UD2B060ACV32A

*UD2B080ACV32A

*UD2C080ACV42A

*UD2B100ACV32A

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 (latest version)

Right

1 8- CD32 D1 - 3

*UD2C100ACV52A

*UD2D120ACV52A

*UD2D140ACV52A

*DD2-ACV

Downflow / Horizontal 2

*DD2B060ACV32A

*DD2B080ACV32A

*DD2C100ACV52A

*DD2D120ACV52A

A341789P11

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Summary of Contents for Trane UD2B060ACV32A Series

Page 1 1 8- CD32 D1 - 3 1 8- CD32 D1 - 3 Installer’s Guide Variable Speed, 2-Stage Communicating or 24V Upflow / Horizontal and Downflow / Horizontal, Gas-Fired Furnaces, “Fan Assisted Combustion System” *UD2B060ACV32A *UD2C100ACV52A *DD2B060ACV32A *UD2B080ACV32A *UD2D120ACV52A *DD2B080ACV32A *UD2C080ACV42A *UD2D140ACV52A *DD2C100ACV52A *UD2B100ACV32A...
Page 3 Installer’s Guide Contents WARNING EXPLOSION HAZARD Safety Section NEVER USE AN OPEN FLAME TO DETECT GAS LEAKS. EXPLOSIVE CONDITIONS MAY OCCUR. Installation Instructions USE A LEAK TEST SOLUTION OR OTHER AP- General Installation Instructions PROVED METHODS FOR LEAK TESTING. FAIL- Location and Clearances URE TO FOLLOW THIS WARNING COULD RESULT Outline Drawing...
Page 4 Installer’s Guide Codes and local utility requirements governing the instal- 9. The furnace may be used for temporary heating of lation of gas fired equipment, wiring, plumbing, and flue buildings or structures under construction only when connections must be adhered to. In the absence of local the following conditions have been met: codes, the installation must conform with latest edition of the National Fuel Gas Code ANSI Z223.1 •...
Page 5 Installer’s Guide 18-CD32D1-3...
Page 6 Installer’s Guide 18-CD32D1-3...
Page 7 Installer’s Guide TABLE 1 UPFLOW INSTALLATION Standoffs and screws (See Figure 1) are included with the FLOOR OPENING PLENUM OPENING CABINET RETURN cased coils for attachment to the furnace. There are clear- WIDTH DUCT WIDTH "A" "B" "C" "D" ance alignment holes near the bottom of the coil wrapper. 17-1/2"...
Page 8 Installer’s Guide Downflow-Horizontal Furnace Vent Applications Horizontal NOT APPROVED APPROVED Airflow Airflow APPROVED APPROVED Airflow Airflow Vertical APPROVED APPROVED NOT APPROVED Airflow Airflow Airflow 18-CD32D1-3...
Page 9 Installer’s Guide IMPORTANT: Limited Warranty is conditional upon proper furnace and UNCONFINED vent system application and installation. Downflow fur- naces installed in the vertical or horizontal position may 50 CU. FT. OR MORE be vented through top or right side of the furnace cabinet PER 1000 BTU/HR.
Page 10 Installer’s Guide TABLE 2 TABLE 3 MINIMUM AREA IN SQUARE FEET MINIMUM FREE AREA IN SQUARE INCHES FOR UNCONFINED SPACE INSTALLATIONS EACH OPENING (FURNACE ONLY) Furnace Air From Outside FURNACE WITH 8 FT. CEILING Maximum From Vertical Horizontal MAXIMUM BTUH MINIMUM AREA IN SQUARE BTUH/INPUT Inside...
Page 11 Installer’s Guide RETURN AIR DUCT CONNECTION 7. If flanges are not required, and a filter frame is in- stalled, cut between locating notches (See Figure 13). NOTE: 8. Upflow Furnaces: filter clips are factory supplied for On upflow 5 ton airflow models, if the airflow requirement exceeds 1800 CFM, these models will require return air bottom or side return.
Page 12 Installer’s Guide 11. 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 horizontal applications. RETURN AIR FILTERS TYPICAL UPFLOW RETURN AIR FILTER INSTALLATIONS Filters are factory supplied for these furnaces.
Page 13 Installer’s Guide Filter Furnace Rack Cabinet Furnace Engagement Hole BLOWER Blower Side Filter Rack Installation With DECK Deck Side Return Filter Rack Retaining Furnace Screw/Pin Cabinet Side Engagement Hole Filter Rack Installation With Filter Filter Rack Bottom Return Rack Retaining Assembly Screw/Pin Cabinet Width Left Side Bottom...
Page 14 Installer’s Guide RETURN AIR FILTERS FOR UPFLOW FURNACE INSTALLING THE FILTER The filter may need to be cut to fit the unit depending on IN HORIZONTAL CONFIGURATION When the Upflow Furnace is installed in the horizontal con- the location of the return air filter. figuration, the return air filters must be installed exterior A score line and the words “CUT HERE”...
Page 15 Installer’s Guide TABLE 5 VENT PIPING These furnaces have been classified as Fan-Assisted CABINET FILTER FILTER BRACKET Combustion System, Category I furnaces under the “lat- WIDTH SIZE LOCATION * est edition” provisions of ANSI Z21.47 and CAN/CGA 2.3 17-1/2" 2 - 16X20X1 14-3/8"...
Page 16 Installer’s Guide TABLE 8 NOTE: The following section does not apply if BAYVENT800B GAS VENT TERMINATION (Masonry Chimney Vent Kit) is used. All instructions with ROOF PITCH MINIMUM HEIGHT the kit must be followed. FLAT TO 7/12 1.0 FEET * TABLE 7 OVER 7/12 TO 8/12 1.5 FEET...
Page 17 Installer’s Guide ELECTRICAL CONNECTIONS Make wiring connections to the unit as indicated on follow- ing field wiring diagrams. As with all gas appliances using CAUTION electrical power, this furnace shall be connected into a per- Protect from Property Damage manently live electric circuit. It is recommended that it be Do NOT connect the furnace line voltage to a GFCI provided with a separate “circuit protection device”...
Page 18 Installer’s Guide Communicating Indoor Unit with Communicating Comfort Control and 24VAC Single Stage Cooling 24VAC Mode Indoor Unit with 24VAC Comfort Control and 24VAC Single Stage Cooling NOTE: To locate the BK to R jumper on the IFC board, see page 21. 18-CD32D1-3...
Page 19 Installer’s Guide 24VAC Mode Indoor Unit with 24VAC Comfort Control and 24VAC 2-Stage or 2-Step Cooling NOTE: To locate the BK to R jumper on the IFC board, see page 21. 24VAC Mode Indoor Unit with 24VAC Comfort Control and 24VAC Single Stage Heat Pump NOTE: To locate the BK to R jumper on the IFC board, see page 21.
Page 20 Installer’s Guide 24VAC Mode Indoor Unit with 24VAC Comfort Control and 24VAC 2-Stage or 2-Step Heat Pump NOTE: To locate the BK to R jumper on the IFC board, see page 21. Wiring Notes: 18-CD32D1-3...
Page 21 Installer’s Guide BK Jumper The factory installed jumper be- tween “R” and “BK” on the circuit board must be cut if an optional Humidistat is installed. HUMIDISTAT HOOKUP - 24 V Mode ONLY If an optional humidistat for humidity control in cooling is used, the factory installed “BK Jumper”...
Page 22 Installer’s Guide GAS PIPING WARNING WARNING FIRE OR EXPLOSION HAZARD Failure to follow the safety warnings exactly could result FIRE - EXPLOSION HAZARD in serious injury, death or property damage. DO NOT RUN FLEXIBLE GAS LINE THROUGH THE FUR- NACE CABINET WALL. FAILURE TO FOLLOW THIS WARN- Never test for gas leaks with an open flame.
Page 23 Installer’s Guide 6. Multiply the final figure by the heating value of the gas CAUTION obtained from the utility company and compare to the nameplate rating. This must not exceed the nameplate Tighten all pressure test screws loosened when adjusting rating.
Page 24 Installer’s Guide Table 11 lists the main burner orifices shipped with the fur- Installations above 4,000 feet may require a pressure switch change. If required, use the BAYHALT*** Kit (High nace. If a change of orifices is required to correct the input Altitude Accessory Kit) listed in PRODUCT DATA.
Page 25 Installer’s Guide START UP AND ADJUSTMENT Lighting instructions appear on each unit. Each installation must be checked out at the time of WARNING initial start up to insure proper operation of all components. Check out should include putting SAFETY WARNING the unit through one complete cycle as outlined DO NOT attempt to manually light the burner.
Page 26 Installer’s Guide SERVICE PROCEDURE TO ACCESS Remove Blower Door panel by a) turning the two door latches on the upflow furnace or b) removing the 5/16" USER INTERFACE FOR 2-STAGE FURNACE screws on the downflow furnace. This procedure should only be performed by trained Lower door panel and remove from service access service personnel.
Page 27 Installer’s Guide USER INTERFACE MENU - COMMUNICATING SYSTEM Power Up == WAIT == See next page for A/TCONT900 Variable Speed 24VAC setup options Standy Screen System Status Setup Options [ ] = Current Setting MODEL NUMBER CMFRT CNT MODE SERIAL NUMBER COMM [COMM] 24VAC * Unit specific COOLING CFM...
Page 28 Installer’s Guide USER INTERFACE MENU - 24V SYSTEM 24V Variable Speed System Status Setup Options [ ] = Current Setting CMFRT CNT MODE COMM [24VAC] 24VAC * Unit specific COOLING CFM COOLING CFM A/TUD2B060 3T [3T] 1.5T 2T 2.5T A/TUD2B080 3T [3T] 3.5T 2.5T A/TUD2C080 4T [4T] 2.5T 3T 3.5T...
Page 29 Installer’s Guide SEQUENCE OF OPERATION (24v Mode) Thermostat call for 1st stage heat (2 stage heating (Communicating Mode) thermostat): Comfort control call for 1st stage heat (A/TCONT900): R and W1 thermostats contacts close signaling the control The comfort control signals the control board (IFC) to run board (IFC) to run its self-check routine.
Page 30 Installer’s Guide At the same time, the 2nd stage draft inducer is energized blower is energized for 10 seconds in 1st stage heating and the 2nd stage pressure switch then closes. The 2nd airflow. The furnace will then transition to 2nd stage gas stage gas valve is then energized.
Page 31 Installer’s Guide • Turn 120 VAC power off. When the Green LED on The information to be displayed on the user interface the variable speed inducer drive goes out, turn during Unit Test mode is: 120 VAC power back on. •...
Page 32 Installer’s Guide WARNING WARNING ELECTRICAL HAZARD EXPLOSION HAZARD Propane gas is heavier than air and may collect in any low Disconnect power to the unit before removing the areas or confined spaces. In addition, odorant fade may Blower door. Allow a minimum of 10 seconds for IFC make the gas undetectable except with a warning device.
Page 33 Installer’s Guide CONDITIONS AFFECTING FURNACE OPERATION The following warning complies with State of California law, Proposition 65. WARNING 1. EXCESSIVE COMBUSTION PRESSURE (WIND IN EXCESS OF 40 M.P.H.) VENT OR FLUE BLOCKAGE This product contains fiberglass wool insulation! If pressure against induced draft blower outlet becomes excessive, the pressure switch will open and shut off Fiberglass dust and ceramic fibers are believed by the the gas valve until acceptable combustion pressure is...
Page 34 Installer’s Guide ALERT CODE RECOVERY Table 21 On power up, last 4 Alerts, if any, will be flashed on the Red Alert LED. The newest Alert detected will DESCRIPTION FUNCTION flash first and the oldest last. There will be a 2 second delay between Alert Code flashes.
Page 35 Installer’s Guide TABLE 22- FURNACE XC80 Furnace Fault Codes D802247P0 ALERT CODES Alert Notification Alert Alert Group Alert Description Code Fault LED COM LED User Interface Display Control Display Flame is off when flame should be RECYCLE detected. Furnace tries to relight Flame lost or Ignition itself.
Page 36 Installer’s Guide Literature Order Number 18-CD32D1-3 File Number 18-CD32D1-3 Supersedes 18-CD32D1-2 Trane Date 02/11 6200 Troup Highway Tyler, TX 75707 Since the manufacturer has a policy of continuous product and product data improvement, it reserves the For more information contact right to change design and specifications without notice.

This manual is also suitable for:

Ud2b080acv32a series Ud2c080acv42a series Ud2b100acv32a series Ud2c100acv52a series Ud2d120acv52a series Ud2d140acv52a series ... Show all