Instruction/ maintenance manual of the product UD1B080A9H31B Trane
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*Horizontal Conversion for these furnaces may be left or right side rotation. *UD1A040A9H21B *UD1B060A9H31B *UD1B080A9H31B *UD1C080A9H41B High Efficiency Single Stage Upflow/ Horizontal and Downflow/ .
© 2008 Trane All Rights Reserved 18-CD21D1-5 Installer’ s Guide The following safety practices and precautions must be followed during the installation, servicing, and opera- tion of this furnace. 1. Use only with the type of gas approved for this fur- nace.
Installer’ s Guide 18-CD21D1-5 3 Installation Instructions 3 General Installation Instructions 4 Location and Clearances 4 Outline Drawing 5 Upflow Installation 7 Downflow Installation 7 Air For Com.
4 18-CD21D1-5 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.
Installer’ s Guide 18-CD21D1-5 5 From Dwg. 21C341699 Sh. 1 Rev. 4 *UD1-H OUT LINE DRA WING (ALL DIMENSIONS ARE IN INCHES).
6 18-CD21D1-5 Installer’ s Guide From Dwg. 21C341700 Sh. 1 Rev. 0 *DD1-HF OUT LINE DRA WING (ALL DIMENSIONS ARE IN INCHES).
Installer’ s Guide 18-CD21D1-5 7 UPFLOW INST ALLA TION Standoffs and screws (See Figure 1 on page 6) are in- cluded with the cased coils for attachment to the fur- nace. There are clearance alignment holes near the bot- tom of the coil wrapper and drill screws are used to en- gage the furnace top flange.
8 18-CD21D1-5 Installer’ s Guide If the furnace is suspended using perforated steel strap (plumber’s strap), it must be supported at all four cor- ners and in the middle at the front of the furnace. The forward most screw on the side of the furnace may be used to connect the strapping (See Figure 6).
Installer’ s Guide 18-CD21D1-5 9 1. All air from inside the building as in Figure 9: 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.
10 18-CD21D1-5 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.
Installer’ s Guide 18-CD21D1-5 11 When the upflow furnace is installed in the horizon- tal right or left application and a return duct is at- tached to the top side as shown in Figure 1 1, re- move the filter from the furnace and install in a re- mote location.
12 18-CD21D1-5 Installer’ s Guide UPFLO W FURNA CE RETURN AIR FIL TERS CABINET WIDTH QTY* CABINET BO TT OM FIL TER CABINET SIDE FIL TER 14-1/2" 1 14" X 25" X 1" 17-1/2" X 25.
Installer’ s Guide 18-CD21D1-5 13 Bottom P anel Filter Rack Furnace Cabinet Side Filter Rack Retaining Screw/Pin Engagement Hole For Bottom Return Filter Rack Installation With Filter Rack Furnace C.
14 18-CD21D1-5 Installer’ s Guide T ABLE 5 T ABLE 6 CABINET WIDTH RETURN DUCT WIDTH FIL TER A CCESS OPENING - DIMENSION "A" FIL TER A CCESS OPENING - DIMENSION "B" 14-1/2" 1.
Installer’ s Guide 18-CD21D1-5 15 NOTE: The following section does not apply if BA YVENT800B (Masonry Chimney Vent Kit) is used. All instructions with the kit must be followed.
16 18-CD21D1-5 Installer’ s Guide T ABLE 8 π π π π π (D*) 2 4 = X 7 8. Where long periods of airflow are desired for com- fort, use long fan cycles instead of continuous air- flow. 9. Apply other good venting practices as stated in the venting section of the National Fuel Gas Code ANSI Z223.
Installer’ s Guide 18-CD21D1-5 17 SEE NO TE 6 F rom Dwg. B341437 Rev . 1 FURNACE TWIN SEE NO TE 7 B/C B/C T O 115 V 1 PH., 60 HZ., POWER SUPPL Y PER LOCAL CODES HUM SEE NO TE 5 EAC SEE NO TE 5 FIELD WIRING DIAGRAM FOR 1 ST AGE FURNA CE 1 ST AGE HEA TING USING A 1 ST AGE HEA TING THERMOST A T NO COOLING From Dwg.
18 18-CD21D1-5 Installer’ s Guide TWINNING These furnaces may be twinned. Twinning requires that two furnaces with the same configuration, capacity, and airflow must be used. They shall have common returns with equal pressure drops or ducts with equivalent lengths and sizes.
Installer’ s Guide 18-CD21D1-5 19 ▲ WARNING ! FIRE OR EXPLOSION HAZARD Failure to follow the safety warnings exactly could re- sult in serious injury, death or property damage. Never test for gas leaks with an open flame. Use a commer- cially available soap solution made specifically for the detection of leaks to check all connections.
20 18-CD21D1-5 Installer’ s Guide When the thermostat is satisfied, R and W thermostat contacts open, the gas valve will close, the flames will extinguish, and the induced draft blower will be de-en- ergized.
Installer’ s Guide 18-CD21D1-5 21 ▲ CAUTION ! Replace and/ or tighten all plugs removed or loosened when adjusting gas pressure. Leak check the fittings before placing the furnace into regular service. Failure to follow this warning could result in fire, ex- plosion, or property damage.
22 18-CD21D1-5 Installer’ s Guide TABLE 13 Orifice T wist Drill Size I f Installed At Sea Level AL TITUDE ABO VE SEA LEVEL and Orifice Re quired At Other E lev ations 2000 3000 4000 5000 6000 7000 8.
Installer’ s Guide 18-CD21D1-5 23 INSTRUCTIONS TO THE OWNERS In the event that electrical, fuel, or mechanical failures occur, the owner should immediately turn the gas supply off at the manual gas valve, located in the burner compartment (See Figure 24).
24 18-CD21D1-5 Installer’ s Guide File Number 18-CD21D1-5 Supersedes 18-CD21D1-4 Date 05/08 INTEGRATED FURNACE CONTROL ERR OR FLASH CODES Flashing Slow --- Normal - No call f or Heat Flashing F ast .
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