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
Protection, Communication & Diagnose
Paolo Molteni - Milano MCE 2014
Global leader local expert
Protection
Basic Functionality Fixed tripping temperature Fixed reset temperature Fixed reset delay N/O output relay contact To be installed in terminal box
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]
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
Protection
Discharge gas sensor input
Protection
Recognition short circuit / open circuit
Protection
Run recognition – converter compliant
Protection
HD
Oil pump monitoring „L“
Protection
Phase monitoring „Y“ Phase direction Phase loss Phase imbalance
Protection
Lubrication monitoring „L“ Oil level Oil flow Oil filter
Protection
Phase
Oil
Selective Reset Individual reaction Dependent on fault Overload Dynamic trip Discharge gas
Communication
INT69® Diagnose
DiagnosePort Compressor conditions
are stored Diagnostic output
Communication
On Site Diagnose
INT69® Diagnose
Diagnose- Software
DP – USB Gateway On Site Diagnose View on single compressor Snapshot
INTelligence Direct
Local Diagnosis
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
Communication
Internet INTelligence
DP-Modbus Gateway INT69® Diagnose
Diagnose- Software
Modbus-LAN Gateway
Modbus RTU
DP– Modbus - LAN All compressors Worldwide access Permanent
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
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
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
Diagnose
Available Data
Diagnose
Available Data
Diagnose
Available Data
Diagnose
Available Data
Diagnose
Available Data
Maintenance Documentation
Maintenance intervals and activities wit notes and records
Diagnose
Data Alle data at one page Available as pdf
Diagnose Cooling in an industrial application
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
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
Communication - Overview
Customer Controller
INTelligence direct / Internet INTelligence
MODBUS
DP-Modbus Gateway INT69® Diagnose
On site diagnosis
Diagnose- Software
Controll System
Modbus-LAN Gateway
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.
