Transcript Phasefale Presscon Pressnet system.pps

Presscon Network &
Pressnet Software
Refrigeration HVAC
control & monitor system
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What is Presscon Network?
A Modular, networked refrigeration and air
conditioning control system. Which is:
 Reliable, Powerful & Expandable
 Ideal for Supermarkets
 Cost effective
 Fully supported with Pressnet software
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• First released 1992- continual development since ....
•Used in Australia by Woolworths, Coles, Bi-Lo, Franklins,
IGA & many independents supermarket operators
•Used by majority of refrigeration companies in Australia.
•Used by Tesco, Carrefour & others in China & Indonesia
•Over 1000 sites
•Fully supported by
Phasefale: -design -training
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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
• Internet and telephone connection
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Alarm
Normal
Pressnet
Graphing
• UNIQUE- 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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Pressnet- Card list
Graphic setup is a
simple drag & drop
arrangement.
Controller, card
list is icons are
Channel
Select site
automaticallycolour
foundcoded.
on
Detailed
Select remote cards
connection to information
site.
is
[local cards is used
displayed on hover
to save setup
Select
controller
Edit channel
to local
PC]
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Case Controldecentralized option
• Solenoid, Electronic Suction
& Expansion control options
• 2 complete systems per
board :control/defrost/alarm
• Case monitor can supervise
& program 99 case controls
• 4 way expansion board for
solenoids, heaters, fans,
lights, antisweat etc.
• Up to 8 ouptuts per control
•11 inputs per case control
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Multi Controller
• Powerful controller with
multiple control types
• Main Types: Rack Control
• Temp/Alarm/Defrost (Syscon)
• DDC for HVAC
• New 99 Channel lighting
control “LTC”
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Multi- Rack Controller
•4 Suction & 4 discharge groups
•8 compressors per rack
•8 fans per condenser
•Analog suction & discharge
•Gas Leak detection (6x)
•Power Monitoring (4x)
•Humidity/ Anti Sweat
control (2x)
•most functions of single
rack controller
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System Controller
(centralized option)
• 20 system channels
each with up to 10
temperature sensors
• 8 Auxiliary channels
for system faults etc.
• 4 lines x 20 character backlit LCD
• off cycle, electric or no defrost
• for control, alarm, display & defrost termination
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Air Conditioning Control
•Share common databus & communications
• controls 8 major plant- each has:
• 4x heat and 4x cooling stage
•Time & event based scheduling
•Humidity control of plant
•Economizer function & other energy saving features
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Power Monitor
• In conjunction with Pressnet Software allows
detailed analysis of power consumption
• High Precision Class 1 3 phase
• Scales to any power level with CT
• Graphing & Datalogging allows
peak & consumption figures
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Power Monitor- Analyses
Use Pressnet software to;
download data
to Excel and analyze power
consumption. Pressnet can calculate
Average, Minimum , Maximum etc
power over a nominated time
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period.
Pressure
Transducers
• All stainless steel,
electrically robust
& mechanically tough
• LP version for 0-100psi
• HP version 0-500 psi
• 12V supply 15mA
• Voltage output 1-6V
• Absolute version for ammonia
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Temperature
Sensors
• 0.2°Celsius precision
• Fully water & immersion proof
• most reliable sensors in the industry
• High temperature version for discharge
lines (“H” type)
• 6 meter lead, H=1.5m silicone
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Refrigerant Leak Monitor
• Detects all common HCFC refrigerants
• Up to 6 channels – monitor cabinets and plant room.
• On multi rack controller
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Sensor
Input
Cards
• 32 Channels
input cards
• First 8 channels used
for pressure transducers & all input types
• 32 channel for temperature & switch inputs
- more cost effective & compact
• both have 10 bit precision pluggable connectors
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Relay Output Cards
• 8 SPDT Relays each 5 A 240VAC
• 2 0-10V Analogue outputs
• LED status indicators
• Over-ride switch for each output
• Ultra reliable & immune from electrical interference
• 12V supply
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