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

1. Protection, Communication & Diagnose
Paolo Molteni - Milano MCE 2014
Global leader local expert

2. Kriwan subsidiary
Kriwan Italia srl
Via del Maglio, 5
23868 Valmadrera (LC)
kriwan.italia@kriwan.com

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. 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. 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. Protection
Discharge gas sensor input

7. Protection
Recognition short circuit / open circuit

8. Protection
Run recognition – converter compliant

9. Protection
HD
Oil pump monitoring „L“

10. Protection
Phase monitoring „Y“
 Phase direction
 Phase loss
 Phase imbalance

11. Protection
Lubrication monitoring „L“
 Oil level
 Oil flow
 Oil filter

12. Protection
 Phase
 Oil
Selective Reset
 Individual reaction
 Dependent on fault
 Overload
 Dynamic trip
 Discharge gas

13. Communication
INT69® Diagnose
DiagnosePort
 Compressor conditions
are stored
 Diagnostic output

14. Communication
On Site Diagnose
INT69® Diagnose
Diagnose-
Software
DP – USB Gateway
 On Site Diagnose
 View on single compressor
 Snapshot
INTelligence Direct

15. Local Diagnosis

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. Communication
Internet INTelligence
DP-Modbus GatewayINT69® Diagnose
Diagnose-
Software
Modbus-LAN
Gateway
Modbus RTU
DP– Modbus - LAN
 All compressors
 Worldwide access
 Permanent

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. 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. 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. Diagnose
Available Data

22. Diagnose
Available Data

23. Diagnose
Available Data

24. Diagnose
Available Data

25. Diagnose
Available Data

26. Maintenance Documentation
Maintenance intervals and activities wit notes and records

27. Diagnose
Data
 Alle data at one page
 Available as pdf

28. Diagnose
Cooling in an industrial application

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. 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. Communication - Overview
Customer Controller
INTelligence direct /
Internet INTelligence
MODBUS
DP-Modbus GatewayINT69® Diagnose
On site diagnosis
Diagnose-
Software
Controll
System
Modbus-LAN
Gateway

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.