Airedale OptiChill FreeCool 500kW - 1365kW - Manual (Page 62)

OptiChill Freecool
Active Cabinet Exhaust
Chillers
62
Chillers
Technical Manual : 7197700 v1.2.0. 02_2013
Mechanical Data – Regular Quiet Continued
17 18
Notes Units OFC084R22-76MS2 OFC093R22-87HS4
2 Row Free Cool 3 Row Free Cool 2 Row Free Cool 3 Row Free Cool
Cooling Duty - AC Fans 1 kW 833 829.2 923.1 918.8
Nom Input -Cooling Only kW 285.1 287.4 324.7 327.5
EER 2 2.92 2.88 2.84 2.81
ESEER 7 2.92 2.88 2.93 2.89
SEER 7 2.91 2.86 2.9 2.86
Nominal Output - Free Cooling 5 kW 762 852.3 787.8 886.1
Ambient when Free Cooling = 100% Nominal DX 6 °C 1.9 3.3 0.9 2.6
Cooling Duty - EC Fans 1 kW 823 819.9 917 913.9
Nom Input -Cooling Only kW 271 274 313.6 317.2
EER 2 3.04 2.99 2.92 2.88
ESEER 7 3.36 3.31 3.33 3.28
SEER 7 3.3 3.25 3.27 3.22
Nominal Output - Free Cooling 5 kW 785.3 881.7 815.3 921.8
Ambient when Free Cooling = 100% Nominal DX 6 °C 2.4 3.8 1.5 3.1
Cooling Duty - High Airflow EC Fans 1 kW 823.3 820.1 917 913.8
Nom Input -Cooling Only kW 271.4 274.4 313.9 317.4
EER 2 3.03 2.99 2.92 2.88
ESEER 7 3.33 3.28 3.31 3.26
SEER 7 3.28 3.23 3.25 3.2
Nominal Output - Free Cooling 5 kW 807.8 909 840.2 952.7
Ambient when Free Cooling = 100% Nominal DX 6 °C 2.8 4.2 1.9 3.5
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 72.8 72.8 79.2 79.2
Total Min. Water Flow l/s 18.1 18.1 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 116.7 111.6 116.7 111.6
Maximum Airflow - EC Fans m³/s 108.9 104 108.9 104
Maximum Airflow - AC Fans m³/s 99.7 94.8 99.7 94.8
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 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 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 4060 4214 4791 4945
Max System Operating Pressure Bar 10 10 10 10
Flow Rate 20% Ethylene Glycol l/s 44.8 44.6 49.7 49.4
Pressure Drop 20% Ethylene Glycol kPa 123.7 100.1 144 115.7
(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,