WSH-XSC 65D-70D-75D-80D-85D-90D-100D-110D - Delta-Temp

CORRECTION FACTOR FOR ANTIFREEZE SOLUTIONSInternal exchanger (evaporator)% ethylene glycol by weight 5% 10% 15% 20% 25% 30% 35% 40%Freezing temperature °C -2.0 -3.9 -6.5 -8.9 -11.8 -15.6 -19.0 -23.4Safety temperature °C 3.0 1.0 -1.0 -4.0 -6.0 -10.0 -14.0 -19.0Cooling Capacity Factor Nr 0.995 0.990 0.985 0.981 0.977 0.974 0.971 0.968Compressor input Factor Nr 0.997 0.993 0.990 0.988 0.986 0.984 0.982 0.981Internal exchanger Glycol solution flow Factor Nr 1.003 1.010 1.020 1.033 1.050 1.072 1.095 1.124Pressure drop Factor Nr 1.029 1.060 1.090 1.118 1.149 1.182 1.211 1.243The correction factors shown refer to water and glycol ethylene mixes used to prevent the formation of frost on the exchangers in the watercircuit during inactivity in winter.External exchanger (condenser)% peso glicole etilenico 5% 10% 15% 20% 25% 30% 35% 40%Freezing temperature °C -2.0 -3.9 -6.5 -8.9 -11.8 -15.6 -19.0 -23.4Safety temperature * °C -0.3 -0.6 -0.9 -1.3 -1.8 -2.2 -2.7 -3.3Cooling Capacity Factor Nr 1.00 0.99 0.99 0.98 0.97 0.97 0.96 0.95Compressor input Factor Nr 1.01 1.01 1.02 1.02 1.03 1.04 1.05 1.06Internal exchanger Glycol solution flow Factor Nr 1.01 1.02 1.04 1.05 1.07 1.09 1.11 1.13Pressure drop Factor Nr 1.02 1.05 1.08 1.12 1.16 1.21 1.26 1.32The correction factors shown refer to water and glycol ethylene mixes used to prevent the formation of frost on the exchangers in the watercircuit during inactivity in winter.* MAX. REDUCTION EXTERNAL EXCHANGER INLET WATER TEMPERATUREFOULING CORRECTION FACTORINTERNAL EXCHANGEREXTERNAL EXCHANGERm² °C/W F1 FK1 F2 FK20.44 x 10^(-4) 1.00 1.00 1.00 1.000.88 x 10^(-4) 0.97 0.99 0.97 1.081.76 x 10^(-4) 0.94 0.98 0.92 1.05F1 = Cooling capacity correction factorsFK1 = Compressor power input correction factorF2 = Cooling capacity correction factorsFK2 = Compressors input power correction factorsEXCHANGER OPERATING LIMITSINTERNAL EXCHANGEREXTERNAL EXCHANGERDPr DPw DPr DPwkPa kPa kPa kPaCLIVET (C) 4500 1000 4500 1000PED (CE) 4500 1000 4500 1000DPr = Maximum operating pressure on refrigerant sideDPw = Maximum operating pressure on water sidefor different approvals contact our sales officeOVERLOAD AND CONTROL DEVICE CALIBRATIONAPRE CHIUDE VALOREHigh pressure switch kPa 4050 3300 -Low pressure switch kPa 450 600 -Low pressure switch (Brine) kPa 200 350 -Antifreeze protection °C 3 5.5 -High pressure safety valve kPa - - 4500Low pressure safety valve kPa - - 3000Max no. of compressor starts per hour Nr - - 10High compressor discharge temperature safetythermostat°C - - 120M03Y40D9-01 09/04/10 pag 43