mce 2014 minicorso 03: diagnosi energetica e guasti dei compressori
DESCRIPTION
Lezione tenuta da Ing. Paolo Molteni (KRIWAN, docente CSG) alla Mostra Convegno Expocomfort 2014 presso la Fiera di Milano il 19/03/2014TRANSCRIPT
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Protection, Communication & Diagnose
Paolo Molteni - Milano MCE 2014
Global leader local expert
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Protection
Basic Functionality Fixed tripping temperature Fixed reset temperature Fixed reset delay N/O output relay contact To be installed in terminal box
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Protection
Basic function – Protection with PTC Sensors
trip
R [kΩ]
100
10
4,50
1
0,1 ≈
R = f (T)
∂ NAT
∂ NAT -20°C
T
[°C]
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Protection
Dynamic switch-off (dR/dt)
trip
R [kΩ]
100
10
4,50
1
0,1 ≈
R = f (T)
∂ -20 K NAT
∂ NAT -20°C
T
[°C]
dR / dt
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Protection
Discharge gas sensor input
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Protection
Recognition short circuit / open circuit
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Protection
Run recognition – converter compliant
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Protection
HD
Oil pump monitoring „L“
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Protection
Phase monitoring „Y“ Phase direction Phase loss Phase imbalance
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Protection
Lubrication monitoring „L“ Oil level Oil flow Oil filter
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Protection
Phase
Oil
Selective Reset Individual reaction Dependent on fault Overload Dynamic trip Discharge gas
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Communication
INT69® Diagnose
DiagnosePort Compressor conditions
are stored Diagnostic output
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Communication
On Site Diagnose
INT69® Diagnose
Diagnose- Software
DP – USB Gateway On Site Diagnose View on single compressor Snapshot
INTelligence Direct
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Local Diagnosis
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Communication
Modbus RTU
DP-Modbus Gateway INT69® Diagnose
DiagnosePort - Modbus All compressors Part of complete system Permanent DP-Modbus Gateway inside therminal box, near to compressor or inside switching cabinet Control System
Customer Controller
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Communication
Internet INTelligence
DP-Modbus Gateway INT69® Diagnose
Diagnose- Software
Modbus-LAN Gateway
Modbus RTU
DP– Modbus - LAN All compressors Worldwide access Permanent
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Available Cables
Diagnose
Temporary
Lying housing 02 S 370
Standing housing 02 S 366
Long-Term
DP-Modbus Gateway in therminal box
30cm
Lying housing FK02098066
Standing housing FK02098062
DP-Modbus Gateway near to compressor
1m
Lying housing FK02098067
Standing housing FK02098063
DP-Modbus Gateway in switching cabinet
10m
Lying housing FK02098070
Standing housing FK02098069
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Recommended devices ex Modbus-LAN Gateway
wLAN or dLAN Powerline:
Devolo dLAN 200 AV pro DINrail Wlan:
FRITZ!WLAN Repeater 300E Installation instructions and
advices at manufacturer sites
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Communication - Overview
Control System
INTelligence direct / Internet INTelligence
Modbus RTU
DP-Modbus Gateway INT69® Diagnose
On site diagnosis
Diagnose- Software
Customer Controller
Modbus-LAN Gateway
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Diagnose
Available Data
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Diagnose
Available Data
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Diagnose
Available Data
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Diagnose
Available Data
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Diagnose
Available Data
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Maintenance Documentation
Maintenance intervals and activities wit notes and records
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Diagnose
Data Alle data at one page Available as pdf
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Diagnose Cooling in an industrial application
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Diagnose Cooling in an industrial application
Coolant R134a Independent Circuits Direct Evaporation Inside
the Filter 2x Bitzer 6J-222Y-40P
Conversion: 2x INT69 Diagnose 2x DP-Modbus Gateway 1x Modbus-LAN Gateway
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Meat processing
4.000 pigs / day, Storage: 2.500t Coolant R404a 3x Medium temperature
refrigeration 2x blast freezing 2x deep freezing 3x air conditioning Protection: 10x INT69 Diagnose Communication: 10x DP-Modbus 1x Modbus-LAN
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Communication - Overview
Customer Controller
INTelligence direct / Internet INTelligence
MODBUS
DP-Modbus Gateway INT69® Diagnose
On site diagnosis
Diagnose- Software
Controll System
Modbus-LAN Gateway
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StarterKit Diagnose
The KRIWAN StarterKit contains all of the components needed to connect your refrigeration system to the computer on your desk – either locally, or worldwide via the Internet.
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