Daikin Enfinity Installation And Maintenance Manual

Daikin Enfinity Installation And Maintenance Manual Manual pdf 23 page image

unit installationIM 1059-12 LARGE VERTICAL WSHP 23 www.DaikinApplied.comAdditional information for initial start-upstandard range units LVCUnits are designed to start-up in an ambient of 50°F (10°C),with entering air at 50°F (10°C), with entering water at 70°F(21°C), with both air and water flow rates used in the ISO13256-1 rating test, for initial start-up in winter.Note: This is not a normal or continuous operating condition.It is assumed that such a start-up is for the purposeof bringing the building space up to occupancytemperature.Extended range LVW unitsExtended range heat pump units are designed to start-up in an ambient of 50°F (10°C), with entering air at 40°F(10°C), with entering water at 25°F (-4°C), with both airand water at flow rates used in the ISO 13256-1 ratingtest, for initial start-up in winter.Note: This is not a normal or continuous operating condition.It is assumed that such a start-up is for the purposeof bringing the building space up to occupancytemperature.Antifreeze correction factorsTable 6: Ethylene glycol10% 20% 30% 40% 50%Cooling Capacity 0.9950 0.9920 0.9870 0.9830 0.9790Heating Capacity 0.9910 0.9820 0.9770 0.9690 0.9610Pressure Drop 1.0700 1.1300 1.1800 1.2600 1.2800Table 7: Propylene glycol10% 20% 30% 40% 50%Cooling Capacity 0.9900 0.9800 0.9700 0.9600 0.9500Heating Capacity 0.9870 0.9750 0.9620 0.9420 0.9300Pressure Drop 1.0700 1.1500 1.2500 1.3700 1.4200Table 8: Methanol10% 20% 30% 40% 50%Cooling Capacity 0.9980 0.9720 – – –Heating Capacity 0.9950 0.9700 – – –Pressure Drop 1.0230 1.0570 – – –Table 9: Ethanol10% 20% 30% 40% 50%Cooling Capacity 0.9910 0.9510 – – –Heating Capacity 0.9950 0.9600 – – –Pressure Drop 1.0350 0.9600 – – –