Airedale OptiChill FreeCool 500kW - 1365kW - Manual (Page 56)

OptiChill Freecool
Active Cabinet Exhaust
Chillers
56
Chillers
Technical Manual : 7197700 v1.2.0. 02_2013
Mechanical Data – Regular Quiet Continued
5 6
Notes Units OFC087R16-77ML2 OFC077R18-66HS1
2 Row Free Cool 3 Row Free Cool 2 Row Free Cool 3 Row Free Cool
Cooling Duty - AC Fans 1 kW 859.2 852.7 762.1 758
Nom Input -Cooling Only kW 302.7 305.8 264.2 266.6
EER 2 2.84 2.79 2.88 2.84
ESEER 7 2.93 2.89 2.85 2.81
SEER 7 2.91 2.86 2.84 2.79
Nominal Output - Free Cooling 5 kW 584.9 656.2 625.1 696.6
Ambient when Free Cooling = 100% Nominal DX 6 °C -2.6 -0.6 0.4 1.9
Cooling Duty - EC Fans 1 kW 863.7 860 755.9 752.9
Nom Input -Cooling Only kW 298.7 302.3 255.3 258.3
EER 2 2.89 2.84 2.96 2.92
ESEER 7 3.22 3.16 3.22 3.17
SEER 7 3.17 3.11 3.17 3.12
Nominal Output - Free Cooling 5 kW 608.8 687.7 645.6 722.3
Ambient when Free Cooling = 100% Nominal DX 6 °C -2 0 0.9 2.5
Cooling Duty - High Airflow EC Fans 1 kW 862.9 859 755.9 752.8
Nom Input -Cooling Only kW 298.7 302.3 255.5 258.5
EER 2 2.89 2.84 2.96 2.91
ESEER 7 3.21 3.15 3.2 3.15
SEER 7 3.15 3.1 3.15 3.1
Nominal Output - Free Cooling 5 kW 628.3 712 664.4 744.9
Ambient when Free Cooling = 100% Nominal DX 6 °C -1.5 0.5 1.3 2.9
Capacity Steps % 20, 30, 40, 55, 65, 80, 90, 100
Dimensions (H x W x L) mm 2600 x 2200 x 9850 2600 x 2200 x 10850
Machine Weight kg 11275 11325 12495 12570
Operating Weight 3 kg 12505 12675 14025 14230
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 72.8 72.8
Total Min. Water Flow l/s 14.4 14.4 18.1 18.1
Condenser - Type Rifled Copper Tube / Aluminium Fin
Face Area Total m² 31.7 31.7 35.6 35.6
Maximum Airflow - High Airflow EC Fans m³/s 84.9 81.2 95.5 91.3
Maximum Airflow - EC Fans m³/s 79.2 75.6 89.1 85.1
Maximum Airflow - AC Fans m³/s 72.5 68.9 81.6 77.5
Condenser Fan & Motor Sickle Bladed Axial Fan
Quantity 16 16 18 18
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 156 + 157 156 + 157 167 + 168 167 + 168
Water Connections
Type Grooved Terminations
Inlet / Outlet - Unit DN150 DN150 DN200 DN200
Water Drain / Bleed - Evap inch 0.5 0.5 0.5 0.5
Water System - Volume l 1228 1346 1532 1665
Minimum System Water Volume 4 l 3559 3669 3756 3882
Max System Operating Pressure Bar 10 10 10 10
Flow Rate 20% Ethylene Glycol l/s 46.2 45.9 41 40.8
Pressure Drop 20% Ethylene Glycol kPa 195.4 175.5 95.5 78.8
(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,