Chillers
OPTICHILL
™
3
Technical Manual : 6530166 V1.6.0 02_2013
CONTENT S
Contents
HEALTH AND SAFETY
4
ENVIRONMENTAL CONSIDERATIONS
5
Freeze Protection ................................................................................................................... 5
Environmental Policy.............................................................................................................. 5
GENERAL DESCRIPTION
6
Unit identification .................................................................................................................... 6
Introduction ............................................................................................................................ 6
Features ................................................................................................................................. 7
Standard Features ................................................................................................................. 8
Optional extras ..................................................................................................................... 11
DESIGN FEATURES & INFORMATION
16
Pipework design ................................................................................................................... 16
Refrigeration schematic ....................................................................................................... 16
Economiser .......................................................................................................................... 17
Pumps options ..................................................................................................................... 18
Electronic expansion valves (EEV) ...................................................................................... 19
Star/delta starting of 3 phase compressors .......................................................................... 20
Minimum system water volume calculations ........................................................................ 21
CONTROLS
22
General description .............................................................................................................. 22
Temperature control ............................................................................................................. 23
Monitoring ............................................................................................................................ 24
Alarm handling ..................................................................................................................... 24
PERFORMANCE DATA
27
Operating limits .................................................................................................................... 27
Typical part load characteristics ........................................................................................... 27
ESEER calculations ............................................................................................................. 27
Capacity data - high efficiency ............................................................................................. 28
Capacity data - high efficiency plus ...................................................................................... 30
Glycol data ........................................................................................................................... 32
Waterside pressure drop (kPa) ............................................................................................ 33
Pump packages (optional extras) ......................................................................................... 34
SOUND DATA
37
Measurement of sound data ................................................................................................ 37
Global chiller sound level values - high efficiency ................................................................ 38
Global chiller sound level values - high efficiency plus ........................................................ 39
GENERAL SPECIFICATION
40
Mechanical data - high efficiency ......................................................................................... 40
Mechanical data - high efficiency plus.................................................................................. 44
Electrical data - high efficiency ............................................................................................. 48
Electrical data - high efficiency plus ..................................................................................... 52
INSTALLATION DATA
60
Weights, point loadings & centre of gravity (C of G) - no pumps .......................................... 60
Weights - with optional pumps (guidance) ........................................................................... 62
Unit Lifting ............................................................................................................................ 63
Positioning ........................................................................................................................... 64
Anti vibration mounting (optional) ......................................................................................... 65
Water system ....................................................................................................................... 66
Standard recommended installation ..................................................................................... 66
Electrical .............................................................................................................................. 68
Interconnecting wiring .......................................................................................................... 69
