Airedale OptiChill FreeCool 500kW - 1365kW - Manual (Page 61)

Chillers OptiChill Freecool
Chillers
61
Technical Manual : 7197700 v1.2.0 02_2013
Mechanical Data – Regular Quiet Continued
15 16
Notes Units OFC108R20-99HL6 OFC078R22-66MS1
2 Row Free Cool 3 Row Free Cool 2 Row Free Cool 3 Row Free Cool
Cooling Duty - AC Fans 1 kW 1110.7 1103 777.7 774.4
Nom Input -Cooling Only kW 399.1 403.3 267.8 269.9
EER 2 2.78 2.73 2.9 2.87
ESEER 7 3.01 2.96 2.94 2.9
SEER 7 2.97 2.93 2.92 2.88
Nominal Output - Free Cooling 5 kW 764.6 866.9 744.5 829.5
Ambient when Free Cooling = 100% Nominal DX 6 °C -2.4 -0.3 2.5 3.8
Cooling Duty - EC Fans 1 kW 1117.3 1113 765.2 762.3
Nom Input -Cooling Only kW 394.2 398.9 251.7 254.5
EER 2 2.83 2.79 3.04 3
ESEER 7 3.31 3.26 3.41 3.36
SEER 7 3.24 3.19 3.35 3.3
Nominal Output - Free Cooling 5 kW 798 911.7 765 854.5
Ambient when Free Cooling = 100% Nominal DX 6 °C -1.8 0.4 3 4.3
Cooling Duty - High Airflow EC Fans 1 kW 1116.3 1111.8 765.6 762.7
Nom Input -Cooling Only kW 394.3 399 252.2 254.9
EER 2 2.83 2.79 3.04 2.99
ESEER 7 3.3 3.24 3.38 3.33
SEER 7 3.23 3.18 3.32 3.27
Nominal Output - Free Cooling 5 kW 825.3 947 786 879.5
Ambient when Free Cooling = 100% Nominal DX 6 °C -1.2 0.9 3.3 4.6
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 12850
Machine Weight kg 13910 13985 13900 14000
Operating Weight 3 kg 15890 16115 15660 15920
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 72.8 72.8
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 43.6 43.6
Maximum Airflow - High Airflow EC Fans m³/s 106.1 101.5 116.7 111.6
Maximum Airflow - EC Fans m³/s 99 94.5 108.9 104
Maximum Airflow - AC Fans m³/s 90.7 86.1 99.7 94.8
Condenser Fan & Motor Sickle Bladed Axial Fan
Quantity 20 20 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 208 + 209 208 + 209 191 + 192 191 + 192
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 1977 2125 1756 1919
Minimum System Water Volume 4 l 5416 5553 4055 4212
Max System Operating Pressure Bar 10 10 10 10
Flow Rate 20% Ethylene Glycol l/s 59.8 59.4 41.9 41.7
Pressure Drop 20% Ethylene Glycol kPa 177.6 141.5 106.6 85.8
(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,