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Airflow expressed in standard cubic feet per minute (CFM). 2. Return air is through side opposite motor (left side). 3. Motor voltage at 115 V. 4. Airflow through across motor side (right side) may be slightly less than the data shown above. Unitary Products Group 278436-YTG-A-0407 HORIZONTAL SIDEWALL VENTING For applications where vertical venting is not possible, the only approved method of horizontal venting is the use of an auxiliary power vent. Approved power venters are Fields Controls Model SWG-4Y or Tjernlund Model GPAK-JT. Follow all application and installation details provided by the manufacturer of the power vent. This unit may be horizontally vented using 4” (10.2 cm) diameter pipe with a minimum length of 4.5 feet (1.37 m) and a maximum length of 34.5 feet (10.82 m) with up to 4 elbows. FILTER PERFORMANCE The airflow capacity data published in the “Blower Performance” table listed above represents blower performance WITHOUT filters. To determine the approximate blower performance of the system, apply the filter drop value for the filter being used or select an appropriate value from the “Filter Performance” table shown below. NOTE: The filter pressure drop values in the “Filter Performance” table shown below are typical values for the type of filter listed and should only be used as a guideline. Actual pressure drop ratings for each filter type vary between filter manufacturer. RECOMMENDED FILTER SIZES CFM Cabinet Size Side (in) Bottom (in) 1200 A 16 x 25 14 x 25 1200 B 16 x 25 16 x 25 1600 B 16 x 25 16 x 25 1600 C 16 x 25 20 x 25 2000 C (2) 16 x 25 20 x 25 2200 C (2) 16 x 25 20 x 25 2000 D (2) 16 x 25 22 x 25 NOTES: 1. Air velocity through throwaway type filters may not exceed 300 feet per minute. All velocities over this require the use of high velocity filters. 2. Air flows above 1800 CFM require either return from two sides or one side plus bottom. FILTER PERFORMANCE - PRESSURE DROP INCHES W.C. AND (KPA) Airflow Range Minimum Opening Size Filter Type Disposable Washable Fiber Pleated CFM in2 In W.C. In W.C. In W.C. 0 - 750 230 0.01 0.01 0.15 751 - 1000 330 0.05 0.05 0.20 1001 - 1250 330 0.10 0.10 0.20 1251 - 1500 330 0.10 0.10 0.25 1501 - 1750 380 0.15 0.14 0.30 1751 - 2000 380 0.19 0.18 0.30 2001 & Above 463 0.19 0.18 0.30 UNIT CLEARANCES TO COMBUSTIBLES (ALL DIMENSIONS IN INCHES, AND ALL SURFACES IDENTIFIED WITH THE UNIT IN AN UPFLOW CONFIGURATION) Application Top Front Rear Left Side Right Side Flue Floor/ Bottom Closet Alcove Attic Line Contact Upflow 1 6 0 0 3 6 Combustible Yes Yes Yes No Upflow B-Vent 1 3 0 0 0 1 Combustible Yes Yes Yes No Horizontal 1 6 0 0 3 6 Combustible No Yes Yes Yes1 Horizontal B-Vent 1 3 0 0 0 1 Combustible No Yes Yes Yes1 1. Line contact only permitted between lines formed by the intersection of the rear panel and side panel (top in horizontal postion) of the furance jacket and building joists, studs or framing. Unitary Products Group 278436-YTG-A-0407 For additional connection diagrams for all UPG equipment refer to “Low Voltage System Wiring” document available online at in the Product Catalog Section. AC1 Single Stage A/C w/Single Stage Furnace, 1 Stage Cooling Ready - (G,L)*8/9S, XYF80-U, XYF80-U*L, XYF90-UHM1Humidistat Thermostat Installer Setup Number 1 -System Type - must be set to 0 Selection of GAS/ELEC switchon thermostat not necessaryThermostat Installer Setup Number 15 -Compressor Protection - must be set to 5GFan GFan GFan WFirst Stage Heat WFirst Stage Heat WFirst Stage Heat RC24-Volt Hot (Cool XFMR) RC24-Volt Hot (Cool XFMR) RC24-Volt Hot (Cool XFMR) R24-Volt Hot (Heat XFMR) RH24-Volt Hot (Heat XFMR) RH24-Volt Hot (Heat XFMR) YFirst Stage Cool YFirst Stage Cool YFirst Stage Cool *DN11C00124C24-Volt Common C24-Volt Common Optional w/Batteries *BN11C01124*DP11C40124 PSCFURNACE CONTROL SINGLE STAGEAIR CONDITIONING*BN11C00124 *BP11C50124 *PP11C70224THERMOSTAT THERMOSTAT THERMOSTAT 24V HUMIDIFIER GFanWSingle Stage HeatR24-Volt HotC24-Volt Common C24-Volt CommonY/Y2Single/Second Stage Cool YSingle Stage Cool HP1 W/031-01975- Series Demand Control SINGLE STAGEHEAT PUMP*DN22U00124THERMOSTAT PSCFURNACE CONTROLN/A C24-Volt Common C24-Volt CommonY/Y2Single/Second Stage Cool YSingle Stage Heat/CoolR24-Volt Hot R24-Volt Hot WSingle Stage Heat W1/66First Stage Heat OutGFan WFirst Stage HeatOReversing Valve–Energized in CoolX/LMalfunction Light Single Stage H/P - E*RD, E*BD, ERHS, HPX13 - w/Single Stage Furnace, 1 Stage Cooling U *BP21H50124 *PP32H70124THERMOSTAT THERMOSTAT *BN21H00124*DP21H40124*DN21H00124N/A C24-Volt CommonR24-Volt HotEEmergency HeatOReversing Valve–Energized in CoolYFirst Stage Heat/CoolW1Second Stage HeatGFanStep 1 of Thermostat User Configuration Menumust be set to Heat Pump 1Step 9 of Thermostat User Menumust be set to Pump OFFLMalfunction Light Thermostat Chart Unitary Products Group APPLYING FILTER PRESSURE DROP TO DETERMINE SYSTEM AIRFLOW To determine the approximate airflow of the unit with a filter in place, follow t...

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