Airedale OptiChill FreeCool 500kW - 1365kW - Manual (Page 72)

OptiChill Freecool
Active Cabinet Exhaust
Chillers
72
Chillers
Technical Manual : 7197700 v1.2.0. 02_2013
Mechanical Data - Extra Quiet Continued
37 38
Notes Units OFC082X22-76ML2 OFC091X22-87HS4
2 Row Free Cool 3 Row Free Cool 2 Row Free Cool 3 Row Free Cool
Cooling Duty - AC Fans 1 kW 817.1 811.9 899.6 893.6
Nom Input -Cooling Only kW 284.7 287.5 326.6 330
EER 2 2.87 2.82 2.76 2.71
ESEER 7 2.91 2.87 2.91 2.86
SEER 7 2.89 2.85 2.88 2.83
Nominal Output - Free Cooling 5 kW 680.5 752 698.3 774.6
Ambient when Free Cooling = 100% Nominal DX 6 °C 0.6 2 -0.5 1.2
Cooling Duty - EC Fans 1 kW 813.2 807.6 895.1 888.7
Nom Input -Cooling Only kW 268.8 271.6 311.1 314.6
EER 2 3.03 2.97 2.88 2.83
ESEER 7 3.36 3.31 3.32 3.27
SEER 7 3.31 3.25 3.25 3.2
Nominal Output - Free Cooling 5 kW 667.1 735.2 684 756.6
Ambient when Free Cooling = 100% Nominal DX 6 °C 0.4 1.8 -0.7 0.9
Cooling Duty - High Airflow EC Fans 1 kW 811.9 806.1 893.6 887
Nom Input -Cooling Only kW 269.4 272.2 311.9 315.4
EER 2 3.01 2.96 2.87 2.81
ESEER 7 3.33 3.28 3.3 3.24
SEER 7 3.28 3.23 3.23 3.18
Nominal Output - Free Cooling 5 kW 662.7 729.4 679.3 750.3
Ambient when Free Cooling = 100% Nominal DX 6 °C 0.3 1.7 -0.8 0.8
Capacity Steps % 20, 30, 40, 55, 65, 80, 90, 100
Dimensions (H x W x L) mm 2600 x 2200 x 12850 2600 x 2200 x 12850
Machine Weight kg 13935 14020 14100 14185
Operating Weight 3 kg 15685 15930 15880 16125
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 58.1 58.1 79.2 79.2
Total Min. Water Flow l/s 14.4 14.4 19.7 19.7
Condenser - Type Rifled Copper Tube / Aluminium Fin
Face Area Total m² 43.6 43.6 43.6 43.6
Maximum Airflow - High Airflow EC Fans m³/s N/A N/A N/A N/A
Maximum Airflow - EC Fans m³/s 76 72.3 76 72.3
Maximum Airflow - AC Fans m³/s 74.4 69.8 74.4 69.8
Condenser Fan & Motor Sickle Bladed Axial Fan
Quantity 22 22 22 22
Diameter mm 800 800 800 800
Maximum Speed - High Airflow EC Fans RPM N/A N/A N/A N/A
Maximum Speed - EC Fans RPM 700 700 700 700
Maximum Speed - AC Fans RPM 700 700 700 700
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 193 + 194 193 + 194 205 + 197 205 + 197
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 1744 1907 1778 1940
Minimum System Water Volume 4 l 4072 4226 4791 4945
Max System Operating Pressure Bar 10 10 10 10
Flow Rate 20% Ethylene Glycol l/s 44 43.7 48.4 48.1
Pressure Drop 20% Ethylene Glycol kPa 156.5 132.9 137.4 110
(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.