Carrier 50YFV Installation, Operation And Maintenance Instructions

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Carrier 50YFV Installation, Operation And Maintenance Instructions Manual pdf 41 page image

41R e s i d e n t i a l D i g i t a l P a c k a g e d U n i t s G T- P B S e r i e s - 6 0 H z P u r o n ®R e v : 4 A p r i l , 1 4Unit Start-Up Procedureѥ WARNING! ѥWARNING! When the disconnect switch is closed, highvoltage is present in some areas of the electrical panel.Exercise caution when working with energized equipment.Unit Operating ConditionsIf performance during any mode appears abnormal, refer tothe DXM2 section or troubleshooting section of this manual.NOTE: To obtain maximum performance, the air coil shouldbe cleaned before start-up. A 10% solution of dishwasherdetergent and water is recommended.Table 13: Water Temperature Change ThroughHeat Exchanger9 - 1220 - 264 - 810 - 17Model GPM Pressure Drop (psi)30°F* 50°F 70°F 90°F024Rev B2.53.03.84.56.00.81.21.82.73.90.30.61.11.62.80.20.50.91.22.20.20.50.81.22.00303.03.84.56.07.51.72.32.73.85.10.91.21.62.43.50.81.11.42.23.10.81.11.42.12.9036Rev B4.06.06.88.09.00.61.82.33.24.00.11.01.52.22.90.10.71.11.82.40.10.71.11.72.30423.85.37.57.910.51.72.74.54.87.41.01.83.13.45.40.91.62.83.14.90.91.52.62.94.70484.56.06.89.012.01.42.02.54.06.51.11.72.13.45.50.91.41.83.04.90.81.31.72.74.5060Rev B6.07.59.012.015.01.22.13.15.48.10.91.72.54.67.00.81.52.34.26.40.81.42.23.96.1* Based on 15% methanol antifreeze solutionTable 12: Coax Water Pressure DropAntifreeze Type Antifreeze%Cooling Heating WPDCorr. Fct.EWT 30°FEWT 90°F EWT 30°FTotal Cap Sens Cap Power Htg Cap PowerWater 0 1.000 1.000 1.000 1.000 1.000 1.000Propylene Glycol5 0.995 0.995 1.003 0.989 0.997 1.07015 0.986 0.986 1.009 0.968 0.990 1.21025 0.978 0.978 1.014 0.947 0.983 1.360Methanol5 0.997 0.997 1.002 0.989 0.997 1.07015 0.990 0.990 1.007 0.968 0.990 1.16025 0.982 0.982 1.012 0.949 0.984 1.220Ethanol5 0.998 0.998 1.002 0.981 0.994 1.14015 0.994 0.994 1.005 0.944 0.983 1.30025 0.986 0.986 1.009 0.917 0.974 1.360Ethylene Glycol5 0.998 0.998 1.002 0.993 0.998 1.04015 0.994 0.994 1.004 0.980 0.994 1.12025 0.988 0.988 1.008 0.966 0.990 1.200Table 14: Antifreeze Correction