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Phasefale November 2007

Presscon NetworkPresscon Network

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A Modular, networked refrigeration and air conditioning control system. Which is:

Highly Efficient Control of systems Reliable & Powerful Flexible & Compact Cost effectiveopen Lonworks communications

What is Presscon Network?What is Presscon Network?

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• First released 1992• Used across China and Indonesia by Carrefour in

Asia•Used throughout Australia by major chains Woolworths, Coles, Bi-Lo, Franklins, Davids &

many independents supermarket operators, Over 950 sites

•Fully supported by Phasefale: -design -training

•On going development

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Pressnet Software *Pressnet Software *

•Pressnet; Windows based local and remote access software for Presscon

•Colorful animated bitmaps and store layouts•easy to use, Full control and data access

* Refer Separatepresentation for Pressnet features

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Pressnet Graphing

• Colour coded temperature trace shows system status• Graphs to incredible 1 minute precision• allows quick and easy

trouble-shooting of problems• multi trace graphs also available

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• Control of multiple Refrigeration racks - highly efficient precision control• Refrigerant Leak detection alarm system prevents major gas loss• Power Monitoring –analyze refrigeration & other electrical loads• Anti Sweat control - cycle anti- sweat heaters to save electrical power• after hours offset of refrigeration settings saves power

Multi- Rack ControllerMulti- Rack Controller

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RefrigerationRefrigerationSystem ControllerSystem Controller• 20 refrigeration systems capacity • efficient /system coordinated hot gas defrost cycle option.• also off cycle, electric defrost• after hours offset functions • precision temperature control save electrical power• alarm function for food loss prevention

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• Electronic Suction &Expansion control• 2 complete systems per board :control/defrost/alarm•Case monitor can supervise &program up to 99 casecontrols•expansion board for heaters/fans/light/antisweat• power supply 1 per 2 boards

Case ControlCase Control

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• controls 8 major plant• 4x heat and 4x cooling stage • Hot and cold water valve control• Time & event based scheduling• Timeclock Lighting control • dehumidification control of plant• Economizer ( external air) function• Setback settings for after hours power saving • Precision control means energy savings

DDC Air Conditioning Control

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Other System Other System ComponentsComponents

Relay Board ( 8 Dig. Output +2

analogue)

Temperature Sensors

Humidity

Sensors PressureTransducer

s

Input Card( 32

inputs) Power Supply

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Power MonitorPower Monitor

• Analyze power consumption of Refrigeration, AC, Lighting, whole store, etc.

• Graphing & Datalogging allows peak & consumption figures• Precision power monitor

•Works with Rack controller and Pressnet Software

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Presscon NetworkPresscon Network

thank youthank you