Airedale OptiChill FreeCool 500kW - 1365kW - Manual (Page 63)

Chillers OptiChill Freecool
Chillers
63
Technical Manual : 7197700 v1.2.0 02_2013
Mechanical Data – Regular Quiet Continued
19 20
Notes Units OFC097R22-88MS4 OFC109R22-99HL5
2 Row Free Cool 3 Row Free Cool 2 Row Free Cool 3 Row Free Cool
Cooling Duty - AC Fans 1 kW 975.5 970.9 1121.7 1115.1
Nom Input -Cooling Only kW 351.8 355 397.8 401.6
EER 2 2.77 2.73 2.82 2.78
ESEER 7 2.94 2.9 3.02 2.97
SEER 7 2.91 2.87 2.98 2.94
Nominal Output - Free Cooling 5 kW 801.3 903.8 833.7 945.4
Ambient when Free Cooling = 100% Nominal DX 6 °C 0.4 2.1 -1.1 0.8
Cooling Duty - EC Fans 1 kW 969.5 966.3 1121.5 1117.3
Nom Input -Cooling Only kW 341.5 345.5 390.4 394.9
EER 2 2.84 2.8 2.87 2.83
ESEER 7 3.32 3.27 3.36 3.31
SEER 7 3.25 3.21 3.29 3.24
Nominal Output - Free Cooling 5 kW 830.5 942 868 991.2
Ambient when Free Cooling = 100% Nominal DX 6 °C 1 2.7 -0.5 1.5
Cooling Duty - High Airflow EC Fans 1 kW 969.7 966.3 1121 1116.7
Nom Input -Cooling Only kW 341.9 345.7 390.5 395.1
EER 2 2.84 2.79 2.87 2.83
ESEER 7 3.3 3.25 3.34 3.29
SEER 7 3.24 3.19 3.28 3.23
Nominal Output - Free Cooling 5 kW 856.7 974.8 897.2 1028.7
Ambient when Free Cooling = 100% Nominal DX 6 °C 1.4 3.1 0 2
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 14100 14190 14640 14735
Operating Weight 3 kg 15880 16130 16750 17005
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 73.3 73.3
Total Min. Water Flow l/s 19.7 19.7 18.1 18.1
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 205 + 207 205 + 207 217 + 218 217 + 218
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 1778 1940 2114 2276
Minimum System Water Volume 4 l 4812 4966 5556 5708
Max System Operating Pressure Bar 10 10 10 10
Flow Rate 20% Ethylene Glycol l/s 52.5 52.3 60.4 60
Pressure Drop 20% Ethylene Glycol kPa 159.2 128 238.2 197.7
(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.