Diagnosi energetica e guasti dei compressori

1. Protection, Communication & Diagnose
Kriwan Italia - Paolo Molteni - Milano MCE 2016
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
k
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
k
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. DP – USB Gateway
 On Site Diagnose
 View on single compressor
 Snapshot
Communication
On Site Diagnose
INT69® Diagnose
INTelligence
Software
INTelligence Direct
INTspector APP
INTspector
App (Google store)

15. 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

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

17. Communication - Overview
Control System
INTelligence direct /
Internet INTelligence
Modbus RTU
DP-Modbus GatewayINT69® Diagnose
On site diagnosis
Diagnose-
Software
Customer
Controller
Modbus-LAN
Gateway
INTspector APP
INTspector
App (Google store)

18. Diagnose
Available Data

19. Diagnose
Available Data

20. Diagnose
Available Data

21. Diagnose
Available Data

22. Diagnose
Available Data

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

24. Christoph Leja/ 06.03.2015
Diagnose – Available data INTspector App
 Change language on the
menu
 Select USB gateway, data are
reading
 Functions in accordance to
the connected device

25. Christoph Leja/ 06.03.2015
Diagnose – Available data INTspector App
 Current status of the
modules
 Values
Sensor Type must be
selected
 Overview

26. Diagnose – Available data INTspector App
26

27. Diagnose – Available data INTspector App
27

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

29. Diagnose
Cooling in an industrial application

30. 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

31. 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

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.