Airedale OptiChill FreeCool 500kW - 1365kW - Manual (Page 70)

OptiChill Freecool
Active Cabinet Exhaust
Chillers
70
Chillers
Technical Manual : 7197700 v1.2.0. 02_2013
Mechanical Data - Extra Quiet Continued
33 34
Notes Units OFC092X20-87HS6 OFC097X20-88HL5
2 Row Free Cool 3 Row Free Cool 2 Row Free Cool 3 Row Free Cool
Cooling Duty - AC Fans 1 kW 913.8 906.4 969.7 961.6
Nom Input -Cooling Only kW 331.6 335.4 354.6 358.9
EER 2 2.76 2.7 2.73 2.68
ESEER 7 2.84 2.79 3.01 2.96
SEER 7 2.81 2.77 2.96 2.91
Nominal Output - Free Cooling 5 kW 644.5 715.2 653.9 727.1
Ambient when Free Cooling = 100% Nominal DX 6 °C -2 -0.2 -2.8 -0.9
Cooling Duty - EC Fans 1 kW 908.3 900.4 963.6 954.9
Nom Input -Cooling Only kW 318.1 322 341.5 345.9
EER 2 2.86 2.8 2.82 2.76
ESEER 7 3.18 3.12 3.37 3.31
SEER 7 3.13 3.07 3.3 3.24
Nominal Output - Free Cooling 5 kW 630.8 697.9 639.8 709.2
Ambient when Free Cooling = 100% Nominal DX 6 °C -2.3 -0.5 -3.1 -1.2
Cooling Duty - High Airflow EC Fans 1 kW 906.4 898.2 961.5 952.5
Nom Input -Cooling Only kW 318.9 322.9 342.5 347
EER 2 2.84 2.78 2.81 2.75
ESEER 7 3.16 3.1 3.35 3.29
SEER 7 3.11 3.06 3.28 3.22
Nominal Output - Free Cooling 5 kW 626.4 692 635.2 703
Ambient when Free Cooling = 100% Nominal DX 6 °C -2.4 -0.6 -3.2 -1.3
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 13780 13870 13850 13935
Operating Weight 3 kg 15780 16010 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 91.9 91.9 73.3 73.3
Total Min. Water Flow l/s 22.8 22.8 18.1 18.1
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 N/A N/A N/A N/A
Maximum Airflow - EC Fans m³/s 69.1 65.7 69.1 65.7
Maximum Airflow - AC Fans m³/s 67.7 63.4 67.7 63.4
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 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 205 + 198 205 + 198 205 + 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 1992 2140 1992 2140
Minimum System Water Volume 4 l 5013 5152 5026 5164
Max System Operating Pressure Bar 10 10 10 10
Flow Rate 20% Ethylene Glycol l/s 49.2 48.8 52.2 51.8
Pressure Drop 20% Ethylene Glycol kPa 122.4 96.6 177.9 148.6
(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.