Manual de instrucciones de York LY8S

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036-21618-003 Rev. A (1205)
DESCRIPTION
These high efficiency, compact units employ induced com-
bustion, reliable hot surface ignition and high heat transfer
aluminized tubular heat exchangers. The units are factory
shipped for installation in upflow or horizontal applications.
These furnaces are designed for residential installation in a
basement, closet, alcove, attic, recreation room or garage
and are also ideal for commercial applications. All units are
factory assembled, wired and tested

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036-21618-003 Rev. A (1205) 4” Diameter B 20 (VENT CONNECTIONS) 3/4 POWER WIRING 7/8” HOLE 14-3/4 13-3/4 5-3/8 2-1/2 32-1/2 GAS INLET 40 1-1/4 x 2-1/2 ACCESS 2 WIRING 7/8” K.O. 14 16 23-1/2 2-1/4 8-3/4 1-1/8 A 28-1/2 RIGHT SIDE LEFT SIDE FRONT T’STAT WIRING 7/8” K.O. 5/8 1-3/8 20 5/8 26-3/4 1-1/4 D B C 24-3/4 4” Diameter BOTTOM IMAGE TOP IMAGE RETURN END SUPPLY END CABINET AND DUCT DIMENSIONS Cabinet Dimension Cabinet Models CFM Size ABCD (G,L)Y8S040A12UH11 1200 A 14 1/2 13 1/4 10 1/8 10 1/8 (G

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036-21618-003 Rev. A (1205) RATINGS & PHYSICAL / ELECTRICAL DATA - UPFLOW MODELS Nominal Input Output Cabinet Width AFUE Air Temp. Rise Airflow Models Total Unit Amps MBH MBH In. CFM % °F (G,L)Y8S040A12UH11 40 32 14-1/2 1200 9.0 80.0 25-55 (G,L)Y8S060A12UH11 60 48 14-1/2 1200 9.0 80.0 25-55 (G,L)Y8S080A12UH11 80 64 14-1/2 1200 9.0 80.0 35-65 (G,L)Y8S080B16UH11 80 64 17-1/2 1600 12.0 80.0 25-55 GY8S080C22UH11 80 64 21 2200 14.0 80.0 25-55 LY8S080C20UH11 (G,L)Y8S100B12UH11 100 80 17-1/2 1200 12.0

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036-21618-003 Rev. A (1205) BLOWER PERFORMANCE CFM - UPFLOW (WITHOUT FILTER) - BOTTOM RETURN Single Stage Bottom Airflow Data (SCFM) Models Speed Ext. Static Pressure (in. H2O) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 High 1610 1540 1460 1360 1290 1200 1110 1020 900 760 Medium High 1430 1390 1330 1250 1190 1110 1030 940 840 710 (G,L)Y8S040A12UH11 Medium Low 1200 1180 1140 1100 1050 1000 930 850 750 620 Low 980 980 960 920 890 840 790 720 620 530 High 1570 1490 1420 1340 1250 1180 1090 990

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036-21618-003 Rev. A (1205) BLOWER PERFORMANCE CFM - UPFLOW (WITHOUT FILTER) - LEFT SIDE RETURN Single Stage Left Side Airflow Data (SCFM) Models Speed Ext. Static Pressure (in. H2O) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 High 1810 1730 1660 1570 1480 1390 1300 1200 1090 930 Medium High 1390 1390 1350 1320 1270 1210 1150 1080 970 790 (G,L)Y8S040A12UH11 Medium Low 1120 1120 1120 1110 1080 1080 1020 930 830 690 Low 880 910 920 920 910 870 820 740 650 510 High 1770 1690 1630 1560 1490 1390 1

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036-21618-003 Rev. A (1205) NOTE: The filter pressure drop values in the “Filter Perfor- HORIZONTAL SIDEWALL VENTING mance” table shown below are typical values for the type of For applications where vertical venting is not possible, the filter listed and should only be used as a guideline. Actual only approved method of horizontal venting is the use of an pressure drop ratings for each filter type vary between filter auxiliary power vent. Approved power venters are Fields manufacturer. Contr

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036-21618-003 Rev. A (1205) For additional connection diagrams for all UPG equipment refer to “Low Voltage System Wiring” document available online at www.upgnet.com in the Product Catalog Section. Thermostat Chart Unitary Products Group 7 AC1 Single Stage A/C w/Single Stage Furnace, 1 Stage Cooling Ready - (G,L)*8/9S, XYF80-U, XYF80-U*L, XYF90-U THERMOSTAT THERMOSTAT THERMOSTAT PSC SINGLE STAGE *BN11C00124 *BP11C50124 *PP11C70224 FURNACE CONTROL AIR CONDITIONING *BN11C01124 *DP11C40124 *DN11C00

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APPLYING FILTER PRESSURE DROP TO ACCESSORIES DETERMINE SYSTEM AIRFLOW PROPANE (LP) CONVERSION KIT - To determine the approximate airflow of the unit with a filter in 1NP0347 - 040, 080,100 MBH place, follow the steps below: 1NP0348 - 060, 115, 130 MBH 1. Select the filter type. This accessory conversion kit may be used to convert natural gas (N) units for propane (LP) operation. Conversions must 2. Select the number of return air openings or calculate the be made by qualified distributor or dea