mce 2014 minicorso 03: diagnosi energetica e guasti dei compressori

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 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.