Airedale OptiChill FreeCool 500kW - 1365kW - Manual (Page 60)

OptiChill Freecool
Active Cabinet Exhaust
Chillers
60
Chillers
Technical Manual : 7197700 v1.2.0. 02_2013
Mechanical Data – Regular Quiet Continued
13 14
Notes Units OFC092R20-87MS4 OFC099R20-88HS6
2 Row Free Cool 3 Row Free Cool 2 Row Free Cool 3 Row Free Cool
Cooling Duty - AC Fans 1 kW 922.4 917.3 997.9 991.9
Nom Input -Cooling Only kW 326.5 329.5 347.5 350.9
EER 2 2.83 2.79 2.87 2.83
ESEER 7 2.93 2.89 2.95 2.91
SEER 7 2.91 2.86 2.93 2.88
Nominal Output - Free Cooling 5 kW 725.9 816.8 742.9 838.9
Ambient when Free Cooling = 100% Nominal DX 6 °C -0.2 1.5 -1.1 0.8
Cooling Duty - EC Fans 1 kW 921.1 917.9 996.9 993.1
Nom Input -Cooling Only kW 319.2 323 340.5 344.5
EER 2 2.89 2.85 2.93 2.88
ESEER 7 3.29 3.23 3.28 3.23
SEER 7 3.23 3.18 3.23 3.18
Nominal Output - Free Cooling 5 kW 753.4 852.8 772.3 877.9
Ambient when Free Cooling = 100% Nominal DX 6 °C 0.3 2.1 -0.5 1.4
Cooling Duty - High Airflow EC Fans 1 kW 920.8 917.4 996.5 992.5
Nom Input -Cooling Only kW 319.3 323.1 340.6 344.7
EER 2 2.89 2.85 2.93 2.88
ESEER 7 3.27 3.22 3.27 3.22
SEER 7 3.21 3.16 3.21 3.16
Nominal Output - Free Cooling 5 kW 777 882.4 797.5 909.8
Ambient when Free Cooling = 100% Nominal DX 6 °C 0.8 2.5 0 1.9
Capacity Steps % 20, 30, 40, 55, 65, 80, 90, 100
Dimensions (H x W x L) mm 2600 x 2200 x 11850 2600 x 2200 x 11850
Machine Weight kg 13280 13365 13850 13935
Operating Weight 3 kg 14940 15165 15840 16075
Construction Material
Base: Plain Galvanised Steel, Panels: Galvanised Sheet Steel, Epoxy Baked
Powder Paint, Light Grey (RAL 7035)
Evaporator - Type Shell and Tube
Insulation Class O / UV Stable
Total Max. Water Flow l/s 79.2 79.2 91.9 91.9
Total Min. Water Flow l/s 19.7 19.7 22.8 22.8
Condenser - Type Rifled Copper Tube / Aluminium Fin
Face Area Total m² 39.6 39.6 39.6 39.6
Maximum Airflow - High Airflow EC Fans m³/s 106.1 101.5 106.1 101.5
Maximum Airflow - EC Fans m³/s 99 94.5 99 94.5
Maximum Airflow - AC Fans m³/s 90.7 86.1 90.7 86.1
Condenser Fan & Motor Sickle Bladed Axial Fan
Quantity 20 20 20 20
Diameter mm 800 800 800 800
Maximum Speed - High Airflow EC Fans RPM 1080 1080 1080 1080
Maximum Speed - EC Fans RPM 980 980 980 980
Maximum Speed - AC Fans RPM 900 900 900 900
Compressor - Type Semi-Hermetic Twin Screw Compressor
Quantity 2 2 2 2
Oil Charge Volume (Total) l 35 + 35 35 + 35 35 + 35 35 + 35
Oil Type BSE 170 Polyol Ester Oil
Refrigerant - Control Electronic Expansion Valve
Refrigerant Pre-charged R134a
Charge (Total) CCT1 + CCT2 kg 194 + 186 194 + 186 205 + 207 205 + 207
Water Connections
Type Grooved Terminations
Inlet / Outlet - Unit DN200 DN200 DN200 DN200
Water Drain / Bleed - Evap inch 0.5 0.5 0.5 0.5
Water System - Volume l 1657 1805 1992 2140
Minimum System Water Volume 4 l 4694 4833 5013 5152
Max System Operating Pressure Bar 10 10 10 10
Flow Rate 20% Ethylene Glycol l/s 49.6 49.4 53.7 53.4
Pressure Drop 20% Ethylene Glycol kPa 138.6 112.7 143.7 114
(1) Based on units performance at 15/10°C return/supply temperatures, 35°C ambient, 20% Ethylene Glycol.
(2) EER = DX Cooling Output / (Compressor Input Power + Fan Input Power)
(3) Based on standard unit without options, operating weight includes refrigerant charge and water volume.
For unit weights with waterside options fitted please refer to Airedale.
(4) For minimum system water volume calculation, refer to Design Features & Information - Minimum System Water Volume Calculations.
(5) Nominal Free Cooling Output at 15/10°C return/supply temperatures, 3°C ambient, 20% Ethylene Glycol.
(6) Ambient temperature that Maximum Nominal DX Duty can be achieved using Free Cooling only.
(7) ESEER / SEER based upon unit operating at 12 / 7 °C return / supply temperature, 35°C ambient,