Protection, Communication & Diagnose
Paolo Molteni - Milano MCE 2014
Global leader local expert
Kriwan subsidiary
Kriwan Italia srl
Via del Maglio, 5
23868 Valmadrera (LC)
kriwan.italia@kriwan.com
Protection
Basic Functionality
 Fixed tripping temperature
 Fixed reset temperature
 Fixed reset delay
 N/O output rel...
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 KNAT
∂ 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 ...
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 com...
Local Diagnosis
Communication
Modbus RTU
DP-Modbus GatewayINT69® Diagnose
DiagnosePort - Modbus
 All compressors
 Part of complete syste...
Communication
Internet INTelligence
DP-Modbus GatewayINT69® Diagnose
Diagnose-
Software
Modbus-LAN
Gateway
Modbus RTU
DP– ...
Available Cables
Diagnose
Temporary
Lying housing
02 S 370
Standing housing
02 S 366
Long-Term
DP-Modbus Gateway
in thermi...
Recommended devices ex Modbus-LAN Gateway
wLAN or dLAN
 Powerline:
Devolo dLAN 200 AV pro DINrail
 Wlan:
FRITZ!WLAN Repe...
Communication - Overview
Control System
INTelligence direct /
Internet INTelligence
Modbus RTU
DP-Modbus GatewayINT69® Dia...
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 Filte...
Meat processing
 4.000 pigs / day,
 Storage: 2.500t
 Coolant R404a
 3x Medium temperature
refrigeration
 2x blast fre...
Communication - Overview
Customer Controller
INTelligence direct /
Internet INTelligence
MODBUS
DP-Modbus GatewayINT69® Di...
StarterKit Diagnose
The KRIWAN StarterKit
contains all of the components
needed to connect your
refrigeration system to th...
MCE 2014 Minicorso 03: Diagnosi energetica e guasti dei compressori
MCE 2014 Minicorso 03: Diagnosi energetica e guasti dei compressori
MCE 2014 Minicorso 03: Diagnosi energetica e guasti dei compressori
MCE 2014 Minicorso 03: Diagnosi energetica e guasti dei compressori
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MCE 2014 Minicorso 03: Diagnosi energetica e guasti dei compressori

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Lezione tenuta da Ing. Paolo Molteni (KRIWAN, docente CSG) alla Mostra Convegno Expocomfort 2014 presso la Fiera di Milano il 19/03/2014

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MCE 2014 Minicorso 03: Diagnosi energetica e guasti dei compressori

  1. 1. Protection, Communication & Diagnose Paolo Molteni - Milano MCE 2014 Global leader local expert
  2. 2. Kriwan subsidiary Kriwan Italia srl Via del Maglio, 5 23868 Valmadrera (LC) kriwan.italia@kriwan.com
  3. 3. Protection Basic Functionality  Fixed tripping temperature  Fixed reset temperature  Fixed reset delay  N/O output relay contact  To be installed in terminal box
  4. 4. 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]
  5. 5. Protection Dynamic switch-off (dR/dt) trip R [kΩ] 100 10 4,50 1 0,1 ≈ R = f (T) ∂ -20 KNAT ∂ NAT-20°C T [°C] dR / dt
  6. 6. Protection Discharge gas sensor input
  7. 7. Protection Recognition short circuit / open circuit
  8. 8. Protection Run recognition – converter compliant
  9. 9. Protection HD Oil pump monitoring „L“
  10. 10. Protection Phase monitoring „Y“  Phase direction  Phase loss  Phase imbalance
  11. 11. Protection Lubrication monitoring „L“  Oil level  Oil flow  Oil filter
  12. 12. Protection  Phase  Oil Selective Reset  Individual reaction  Dependent on fault  Overload  Dynamic trip  Discharge gas
  13. 13. Communication INT69® Diagnose DiagnosePort  Compressor conditions are stored  Diagnostic output
  14. 14. Communication On Site Diagnose INT69® Diagnose Diagnose- Software DP – USB Gateway  On Site Diagnose  View on single compressor  Snapshot INTelligence Direct
  15. 15. Local Diagnosis
  16. 16. Communication Modbus RTU DP-Modbus GatewayINT69® 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
  17. 17. Communication Internet INTelligence DP-Modbus GatewayINT69® Diagnose Diagnose- Software Modbus-LAN Gateway Modbus RTU DP– Modbus - LAN  All compressors  Worldwide access  Permanent
  18. 18. 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
  19. 19. 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
  20. 20. Communication - Overview Control System INTelligence direct / Internet INTelligence Modbus RTU DP-Modbus GatewayINT69® Diagnose On site diagnosis Diagnose- Software Customer Controller Modbus-LAN Gateway
  21. 21. Diagnose Available Data
  22. 22. Diagnose Available Data
  23. 23. Diagnose Available Data
  24. 24. Diagnose Available Data
  25. 25. Diagnose Available Data
  26. 26. Maintenance Documentation Maintenance intervals and activities wit notes and records
  27. 27. Diagnose Data  Alle data at one page  Available as pdf
  28. 28. Diagnose Cooling in an industrial application
  29. 29. 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
  30. 30. 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
  31. 31. Communication - Overview Customer Controller INTelligence direct / Internet INTelligence MODBUS DP-Modbus GatewayINT69® Diagnose On site diagnosis Diagnose- Software Controll System Modbus-LAN Gateway
  32. 32. 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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