OptiChill
™ FreeCool
Active Cabinet Exhaust
Chillers
6
Technical Manual : 7197700 v1.2.0 02_2013
Contents
About Airedale Products & Customer Services ...................................................................... 2
Warranty ..................................................................................................................................... 3
Health and Safety ....................................................................................................................... 4
Environmental Considerations ................................................................................................. 5
Freeze Protection ................................................................................................................... 5
Specifiers Guide ......................................................................................................................... 7
Unit identification .................................................................................................................... 7
Introduction ............................................................................................................................. 7
Range Overview ......................................................................................................................... 8
Range Layout ........................................................................................................................... 10
2 Row Free Cooling Regular Quiet ....................................................................................... 10
2 Row Free Cooling Extra Quiet ........................................................................................... 17
3 Row Free Cooling Regular Quiet ....................................................................................... 23
3 Row Free Cooling Coil Extra Quiet .................................................................................... 30
General Description ................................................................................................................. 35
Standard Features ................................................................................................................ 35
Controls ....................................................................................................... 38
General description .............................................................................................................. 38
Temperature control ............................................................................................................. 39
Monitoring ............................................................................................................................. 40
Alarm handling ..................................................................................................................... 40
Design Features & Information ............................................................................................... 45
Pipework Design .................................................................................................................. 45
Refrigeration Schematic ....................................................................................................... 45
Economiser .......................................................................................................................... 46
Pumps options ...................................................................................................................... 47
Electronic expansion valves (EEV) ....................................................................................... 48
Star/delta starting of 3 phase compressors .......................................................................... 49
Glycol ................................................................................................................................... 50
Minimum system water volume ............................................................................................ 51
Performance Data .................................................................................................................... 52
Operating limits .................................................................................................................... 52
Typical part load characteristics ........................................................................................... 52
ESEER Calculations ............................................................................................................. 52
Glycol Data ........................................................................................................................... 53
Mechanical Data
– Regular Quiet ......................................................................................... 54
Mechanical Data - Extra Quiet .............................................................................................. 64
Electrical Data Regular Quiet ............................................................................................... 74
Electrical Data Extra Quiet ................................................................................................... 81
Waterside Pressure Drop (kPa) (Unit) 16 Fan 2 Row Coil .................................................... 88
Waterside Pressure Drop (Unit) (kPa) 18 Fan 2 Row Coil .................................................... 89
Waterside Pressure Drop (Unit) (kPa) 20 Fan 2 Row Coil .................................................... 90
Waterside Pressure Drop (Unit) (kPa) 22 Fan 2 Row Coil .................................................... 91
Waterside Pressure Drop (Unit) (kPa) 16 Fan 3 Row Coil .................................................... 92
Waterside Pressure Drop (Unit) (kPa) 18 Fan 3 Row Coil .................................................... 93
Waterside Pressure Drop (Unit) (kPa) 20 Fan 3 Row Coil .................................................... 94
Waterside Pressure Drop (Unit) (kPa) 22 Fan 3 Row Coil .................................................... 95
Evaporator Pressure Drops .................................................................................................. 96
Water Strainer Pressure Drops ............................................................................................ 97
Pump packages (optional extras) ......................................................................................... 98
Sound Data ........................................................................................................................ 101
Installation Data ..................................................................................................................... 106
Dimensional Data ............................................................................................................... 106
Weights, Point Loadings & Centre of Gravity (C of G) - No Pumps .................................... 109
Unit Lifting .......................................................................................................................... 111
Positioning .......................................................................................................................... 112
Anti vibration mounting (optional) ....................................................................................... 113
Water system ..................................................................................................................... 114
Standard recommended installation ................................................................................... 114
Grooved & Clamped Type Connection ............................................................................... 115
Interconnecting Wiring ........................................................................................................ 118
Storage Recommendations ................................................................................................ 119
Pre Start following storage ................................................................................................. 119
