click left mouse button to advance, “back” to return phasefale november 2007 presscon network...
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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
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