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Ingersoll-Rand Nirvana 5.5, Руководство по устранению неисправностей

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14

Danger

Please utilise extreme caution when performing work within the compressor. Wear 

appropriate PPE 

(Personal Protective Equipment)

, follow 

lock out-tag out

procedures, and 

ensure all safety procedures

.

“

SECURE DISABLE” FAULT – GENERAL INFORMATION

What is the “Secure Disable “mode?

The secure disable mode is a mode that is selected to protect the workers from any unattended restart of the 
compressor.

When the secure disable mode is selected (phase II and III machines), the end-user must start/stop the 
compressor as described down below :

•To enable & start the compressor : first 8.09 turned to “Enable” (pull E-stop) then 8.02 turned to 
“Active” (switch toggle switch to “start”)
•To stop & disable the compressor : first 8.02 turned to “Inactive” (switch toggle switch to “stop”

)

then 

8.09 turned to “Disable” (push E-stop)

The drive trips on “Secure Disable” any time one of this two procedures is no followed : 8.09 turned to 
“Enable” while 8.02 is already “active” / 8.09 turned to “Disable” while 8.02 is still “active”

How to reset a “Secure Disable” Fault

The “Secure Disable fault can not be reset automatically by the drive. Has to be done manually, with the 
following procedure :

- switch toggle switch to stop
- push and pull the E-stop once

In practice, what can lead the drive to trip on “secure disable”?

Three situations that are to be considered in accordance with the design of the product :

•E-stop is hit while the compressor is running 

Î

drive trips once the E-stop is pushed. The VSD will show a 

“Secure Disable” alarm.

•Power outage that lasts more than 200ms 

Î

trips once the power comes back if the toggle switch is still on 

the “start” position. The VSD will show a “Secure Disable” alarm.

•The “secure disable fault” is triggered right after a resetable fault, when the drive tries to reset the fault. The 
VSD will show a “Secure Disable” alarm.

Other situations that are to be considered as a malfunction/problem:

•Defective E-stop 

Î

the state of the output signal coming from the E-stop changes “by itself”, without 

touching the red button (mechanical problem within the E-stop)

•Wiring issues or loose connections within the drive (harness connected to the drive) or with the E-stop (8.09 
turns to 0 any time the SDI1 input is no longer connected to the +24V supply)

•Vibrations related issue (relays in the drive opens due to vibrations) – Contact Ingersoll Rand.

Appendix 1

Содержание Nirvana 5.5

Страница 1: ...hin the compressor Wear appropriate PPE Personal Protective Equipment follow lock out tag out procedures and ensure all safety procedures Nirvana 5 5 11kW 7 5 15 HP Variable Speed Drive Technicians Di...

Страница 2: ...Proprietary Matter herein to the authorised recipient hereof the recipient shall treat the Proprietary Matter as secret and confidential shall not disclose or give such Proprietary Matter to third par...

Страница 3: ...General Run and Monitor Information 04 Secure disable 07 User 1 08 OI AC Over current 10 Motor I2 t 11 Blank CDC 12 Other fault codes 13 Appendix 1 sec disable information 14 Appendix 2 User 1 informa...

Страница 4: ...o them that may cause fatal electrical shocks The drive contains capacitors which remain charged at a fatal voltage for a period of time even after the power supply has been removed Do not perform ope...

Страница 5: ...ompare with your meter the output Current imbalance must not exceed 5 for each phase Motor speed displayed unstable lower than speed reference asked Motor noise or other abnormal noises Motor vibratio...

Страница 6: ...Disconnect motor leads from the VSD Connect one cable of the Insulation Tester on the main ground Connect the other cable of the megohmmeter Insulator Tester to each motor leads one at a time make su...

Страница 7: ...em may occur only when compressor is running Yes Yes Disconnect ESA1 ESA2 so that the E Stop is no longer connected to the pins 13 14 Make contact between these two connectors 8 09 Enable when ESA1 ES...

Страница 8: ...tinuously Open drive Loose connections inputs 10 and 13 Yes Problem fixed No Reconnect User 1 fault can be reset and unit restarts Yes Yes Disconnect 10 and 13 and check continuity Continuity OK No No...

Страница 9: ...g Prior to troubleshoot the unit let it cool down for 15 minutes Problem likely to be due to Cooling issue Dusty pre filter Blocked coolant cooler Blower not rotating circuit breaker fuses fan relays...

Страница 10: ...power supply cables Everything OK Yes OI AC OVER CURRENT peak current that exceeds the hardware limit of the drive Repair or replace cables Check NDE bearing airend OK No Replace NDE bearing or airen...

Страница 11: ...I t motor current 4 01 exceeds value set in parameter 5 07 Should go through similar process if High voltage drive current 23 Amps Low voltage drive current 45amps Contact Ingersoll Rand Reset the fau...

Страница 12: ...essors does not work on a particular unit No No 24V inputs 5 8 10V 1 5 supplies OK AND led on top of the control board is green see note Does the CDC work Yes Troubleshooting over Yes Unscrew the smal...

Страница 13: ...5 05 DC Bus on CDC Megger stator if ok contact Ingersoll Rand See User1 situation page 9 check current drawn from stator if all checks are good replace drive Contact Ingersoll Rand bad setting or def...

Страница 14: ...reset automatically by the drive Has to be done manually with the following procedure switch toggle switch to stop push and pull the E stop once In practice what can lead the drive to trip on secure...

Страница 15: ...ec Disable we can consider that some explanations are more likely than others If there is a problem with the wiring the connections the E stop or a problem of vibration we can expect the drive to trip...

Страница 16: ...ight lead to such trip Defective sensors HATS switch and or thermal sensors in the motor sensor trips even though the temperatures are still below the limit Wiring issues or loose connections within t...

Страница 17: ...faults CDC CDC When plugged into the RJ45 this will allow the technician to have access to the drive internal values for troubleshooting The connection for the CDC is located under the compressor cano...

Страница 18: ...will lit on the Intellikey and will stop after about 10s confirming that the desired settings have been successfully down loaded into the compressor The Intellikey should now be removed 3 The Unigy co...

Страница 19: ...value is less than 97 47 TAS investigate further With power off see if blower will rotate freely by hand Program might not be in keyed properly test with new key Red indicator light is on and motor i...

Страница 20: ...sducer REF ONLY 7 03 POD REF ONLY 7 06 ANA DIGIT Input 8 01 Fan Control Running 8 02 Start Button 8 03 H A T S 8 04 Fixed Constant speed 8 09 E stop 8 31 Fan Output 10 20 10 Last Fault Codes 10 34 Res...

Страница 21: ...10 Last Fault Codes 10 34 Reset Fault Times 5 5 14 14 PID Low Limit 56 80 22 01 Drive Type 12 5HxLV34 12 5HxLV34 The readout on the CDC will show ENABLED when blower isrunning When not running the re...

Страница 22: ...e Transducer REF ONLY 7 03 POD REF ONLY 7 06 ANA DIGIT INPUT 8 01 Fan Control Running 8 02 Start Button 8 03 H A T S 8 04 Fixed Constant Speed 8 09 E stop 8 31 Fan Output 10 20 10 Last Fault Codes 10...

Страница 23: ...through the following screens Time of Day Screen Displays current time of day in 24 hour time Nirvana 5 5 11kW Indicator Display Menu Runtime Hour meter Screen Displays the current number of hours th...

Страница 24: ...er up Default screen Annual Maintenance Timer Displays the percentage of time remaining until service should be performed 8760 hours The hourglass icon will flash on and off when the compressor is run...

Страница 25: ...sure Transducer calibration is accomplished by first making sure there is NO pressure on the transducer then pressing and holding the and the button for approximately 5 seconds The display will begin...

Страница 26: ...work within the compressor Wear appropriate PPE Personal Protective Equipment follow lock out tag out procedures and ensure all safety procedures Alerts Maintenance Due Soon Collect Parts Maintenance...

Страница 27: ...extreme caution when performing work within the compressor Wear appropriate PPE Personal Protective Equipment follow lock out tag out procedures and ensure all safety procedures ELECT SCHEMATIC 4 WIRE...

Страница 28: ...treme caution when performing work within the compressor Wear appropriate PPE Personal Protective Equipment follow lock out tag out procedures and ensure all safety procedures ELECT SCHEMATIC 4 WIRE W...

Страница 29: ...Please utilise extreme caution when performing work within the compressor Wear appropriate PPE Personal Protective Equipment follow lock out tag out procedures and ensure all safety procedures Append...

Страница 30: ...mpressor Wear appropriate PPE Personal Protective Equipment follow lock out tag out procedures and ensure all safety procedures Site log form to be completed electronically form available on irpartner...

Страница 31: ...f phase II and Nirvana press the E stop remove compressor canopy and then insert the Intelli Key New text as follows Turn the On Off switch to the OFF position phase II and Nirvana press the E stop re...

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