Nuvair MCH60 Operation Manual
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Nuvair MCH60 Operation Manual

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Operation Manual
MCH60

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Summary of Contents for Nuvair MCH60

  • Page 1 Operation Manual MCH60...
  • Page 2 MCH60 Notes: Nuvair Page 1 www.Nuvair.com...
  • Page 3 MCH60 Notes: Nuvair Page 2 www.Nuvair.com...
  • Page 4 Units pictured may also be equipped with different options than those on your product. In this case, the basic operational and maintenance guidelines will still apply. If you have problems or questions after reading the manual, stop and call Nuvair at +1.805.815.4044 for information.

  • Page 5: Table Of Contents

    Lead Compressor vs. Lag Compressor ........................15 Compressor Unavailable ............................15 Global Alarms ................................ 15 Run Hours Screen ..............................18 Nuvair Page ................................19 System Components ..............................19 Compressor Specifications ............................20 Unpacking and Installation ........................... 20 Electrical Connection ............................21 Checks for the Start of Each Working Day ........................
  • Page 6 Customer Service ..............................34 17.2 Scheduled Maintenance ............................34 17.3 Using the compressor under heavy duty conditions .................... 34 17.4 Nuvair Customer Care Contact ..........................34 18.0 Spare Parts List ................................35 19.0 Service Log ................................36 20.0 Appendix ................................... 37 20.1...

  • Page 7: Introduction

    MCH60 Introduction This manual will assist you in the proper set-up, operation, and maintenance of the Nuvair MCH60 compressor packages. Be sure to read the entire manual. Throughout this manual we will use certain words to call your attention to conditions, practices or techniques that may directly affect your safety. Pay particular attention to information introduced by the following signal words: Indicates an imminently hazardous situation which, if not avoided, will result in serious injury or death.

  • Page 8: Foreword

    +1.805.486.0900 Email: info@Nuvair.com Responsibility Nuvair considers itself exonerated from any responsibility or obligation regarding injury or damage caused by: Failure to observe the instructions contained in this manual that concern the running, use and • maintenance of the compressor. Violent actions or incorrect maneuvers during use or maintenance of the compressor.

  • Page 9: Purpose Of The Machine

    Maintenance and repairs must only be carried out using original spare parts and qualified technicians. Nuvair cannot be held liable for any damages caused by failure to observe this rule. The compressor is guaranteed as per the contractual agreements made at the time of sale. Failure to observe the regulations and instructions for use contained in this manual shall render the warranty null and void.

  • Page 10: Where The Compressor May Be Used

    It is forbidden to use the compressor under conditions or for purposes other than those • indicated in this manual and Nuvair cannot be held liable for breakdowns, problems or accidents caused by failure to observe this rule. Check that the fittings provide a proper seal by wetting them with soapy water: Stop the •...

  • Page 11: Running And Testing The Compressor

    Safety Warnings Nuvair has taken extreme care in providing you with the information you will need to operate this system. However, it is up to you to carefully read this manual and make the appropriate decisions about system safety.

  • Page 12: Safety And Operation Precautions

    MCH60 Do not use any form of mineral oil or synthetic lubricant not rated for the compressor in this system. Use only the recommended Compressor Lubricant. Never mix the Compressor Lubricant with other lubricants. The use of improper lubricants can lead to fire or explosions, which may cause serious personal injury or death.

  • Page 13: Compressor Layout

    23. Check hoses for weak or worn conditions before each use and make certain that all connections are secure. The user of any compressor or nitrox system manufactured by Nuvair is hereby warned that failure to follow the preceding Safety and Operation Precautions can result in injuries or equipment damage. However, Nuvair does not state as fact or does not mean to imply that the preceding list of Safety and Operation Precautions is all-inclusive, and further that the observance of this list will prevent all injuries or equipment damage.
  • Page 14 MCH60 Condensate Collection Container Attached to Auto Drains. (Drain Daily) HP Filter Replacements NUV65677 Drying Filter (×3) NUV65437 Breathing Air Filter (×1) Auto Drains and Manual Drains (×3) High Pressure Connection Nuvair Page 13 www.Nuvair.com...

  • Page 15: Start Guide & Use Of The Dashboard

    MCH60 Start Guide & Use of the Dashboard The Nuvair MCH60 is equipped with an HMI (human machine interface) touchscreen system controller called the Dashboard. The Dashboard allows users to monitor compressor activity, identify alarm events. Please refer to the Quick Start Guide (section 4.1) for an overview of Dashboard operations.

  • Page 16: Lead Compressor Vs. Lag Compressor

    MCH60 Lead Compressor vs. Lag Compressor The Dashboard automatically designates “Lead Compressor” and “Lag Compressor.” The designation changes every seven (7) days so the operating hours of each compressor are balanced. Compressor Unavailable If for any reason a compressor must be disabled, press the green “Enabled”...
  • Page 17 MCH60 FirstStageTemp_HiAlm_B Compressor B alert. The compressor first stage temperature is high and requires evaluation. Alarm sounds. FirstStagePSI_HiAlm Compressor A alert. The compressor first stage pressure is high and requires evaluation. Alarm sounds. FirstStagePSI_HiAlm_B Compressor B alert. The compressor first stage pressure is high and requires evaluation. Alarm sounds.
  • Page 18 (ValveService1, ValveService2, FilterChangeRequired, or OilChangeRequired) activates. If required service is not performed within one week, Compressor A shuts down and will not restart without a reset code issued by Nuvair. MaintenanceSD_B Compressor B notification. The maintenance shutdown timer of 168 hours (7 calendar days) begins its countdown when a scheduled system maintenance alarm (ValveService1, ValveService2, FilterChangeRequired, or OilChangeRequired) activates.

  • Page 19: Run Hours Screen

    MCH60 ThirdStagePSI_HiAlm_B Compressor B alert. The compressor third stage pressure is high and requires evaluation. Alarm sounds. ThirdStagePSI_HiHiAlm Compressor A alert. The compressor third stage pressure is critically high. The system shuts down immediately and sounds an alarm. ThirdStagePSI_HiHiAlm_B Compressor B alert. The compressor third stage pressure is critically high. The system shuts down immediately and sounds an alarm.

  • Page 20: Nuvair Page

    Changes display to Alarms A screen. LARMS Changes display to Alarms B screen. UVAIR Changes display to Nuvair (technician only) screen. Nuvair Page This page is locked and only for qualified technical support to enable and disable alarms. System Components •...

  • Page 21: Compressor Specifications

    Unpack the system and remove from the pallet. Visually inspect the system to make sure there has • been no damage during shipping. If damaged, please call Nuvair to file a damage report. Please take photos and supply detailed information about the damage.

  • Page 22: Electrical Connection

    • The compressor is delivered with raw leads ready to be installed into a junction box. • In the event a plug is needed, Nuvair recommends that the licensed electrician doing the install determines the plug necessary. • Make sure your electrician follows approved and compliant standards for your location.

  • Page 23: Overpressure Safety Valves

    MCH60 Oil Pressure If no oil pressure or a high pressure reading occurs, switch off compressor and contact Nuvair. Oil Pressure 58 psi (4 bar) Cold 21.75 psi (1.5 bar) Routine Use Minimum Pressure 14.5 psi (1 bar) Stage This gauge indicates the pressure inside the first compression stage. If the pressure is not between 45 psi (3 bar) and 60 psi (4 bar), switch off the compressor and contact Nuvair.

  • Page 24: Maintenance

    It is thus advisable to read the information below and consult the manual every time an inconvenience arises. For further information please contact Nuvair: Phone: +1.805.815.4044 Email: info@Nuvair.com...

  • Page 25: General

    Water & HP Oil Separator   Checking and cleaning  Change * Nuvair recommends oil changes every 250 hours of runtime, or once per year, whichever is less. ** Change oil every 100 hours when compressor is used with nitrox. Nuvair Page 24 www.Nuvair.com...

  • Page 26: Troubleshooting

    100 hours of use or annually, whichever comes first. HP Compressor Lubricant: Only use lubricants rated for use with nitrox, such as Nuvair 455™ Synthetic Food Grade Lubricant or Nuvair 751™. Never mix compressor lubricants. Nuvair Compressors are shipped with Nuvair 455 Synthetic Food Grade Lubricant or Nuvair 751 in the compressor.

  • Page 27: Checking The Oil Level

    MCH60 Use only the specified Nuvair lubricants in this system. The use of incompatible lubricants presents a risk of fire and/or explosion and may result in system damage. This can lead to severe personal injury and death. Do not carry out these tasks if the compressor has only just shut down; wait for the compressor to cool.

  • Page 28: Changing The Lubricating Oil And Filter

    According to Coltri specifications, a new compressor using synthetic lubricants can operate up to 1000 hours between oil changes. At Nuvair, we prefer to have oil changed every 250 hours (or once per year, whichever interval is less) unless you are taking advantage of an oil analysis program that confirms the oil is still good.

  • Page 29: Tightening Torque Values

    MCH60 inside it. Replace the filter (c) with a new one. • Wet the gasket (g) of the filter with a little oil and firmly tighten the • filter manually. Close the drain valve (a). • Remove the top-up plug (b).

  • Page 30: Transmission Belts

    MCH60 • Replace the cartridge with a new one. • Replace the O-ring (d) with a new one. • Re-close the cover (a) and close the clips (c). Do not carry out these tasks if the compressor has just shut down and is hot; wait for the compressor to cool down.

  • Page 31: Changing Air Filtration Cartridges

    Insert the second belt and carry out the same procedure described for the first belt. • If belts (g) tension is not correct contact Nuvair for technical assistance. 13.0 Changing Air Filtration Cartridges The MCH60 compressor comes standard with three (3) drying filters (SKU NUV65677) and one (1) breathing air filter (SKU NUV65247).

  • Page 32: Temperature Effect On Filter Life

    MCH60 Be sure that all pressure has been relieved from the system prior to opening any filtration canister. Failure to vent pressure from the system prior to opening the canister can lead to serious personal injury or death. Difficulty turning the filter cap may indicate there still is pressure in the filter canister.

  • Page 33: Power Requirements

    MCH60 The condensate tank must be drained daily or every 6 working hours. You may run a hose from the condensate tank into a larger receiver and leave the ball valve in the open position. • Manually open auto drain valves each day...

  • Page 34: Stopping The Machine For A Brief Period

    MCH60 15.1 Stopping the Machine for a Brief Period If you do not intend to use the compressor for a brief period proceed with general cleaning. Once the compressor has cooled down you should wipe off dirt, dust and moisture on the compressor and the surrounding area.

  • Page 35: Dismantling The Compressor

    17.0 Maintenance Register 17.1 Customer Service Customers continue to receive assistance after the purchase of a compressor. To this end Nuvair has created a customer service network covering the entire country. 17.2 Scheduled Maintenance The scheduled maintenance program is designed to keep your compressor in perfect working order. Some simple tasks, described in this manual, can be carried out directly by the customer;...

  • Page 36: Spare Parts List

    MCH60 18.0 Spare Parts List Compressor System Components Type Part Number Compressor Lubricant, Food Grade (nitrox compatible) Nuvair 455 (1 gal) 9406 Compressor Lubricant, Industrial Grade Nuvair 751 (1 gal) 9403 Drying Filter Cartridge (×3) NUV65677 High Pressure Air Filter Elements...

  • Page 37: Service Log

    MCH60 19.0 Service Log Date Technician Name Service Performed Nuvair Page 36 www.Nuvair.com...

  • Page 38: Appendix

    MCH60 20.0 Appendix 20.1 Supply and Breathing Air Specifications All supply and breathing air must meet the following requirements of CGA G-7.1-1997. Supply air delivered to the Membrane System must be purified to meet Grade D or E quality, and periodic air quality testing to assure compliance is recommended.

  • Page 39: Nuvair Compressor System Warranty

    Nuvair has employed in the installation or use of any OEM component. This warranty is not transferable. Nuvair will, at its discretion and according to the terms as set forth within, replace or repair any materials which fail under normal use and service and do not exhibit any signs of improper maintenance, misuse, accident, alteration, weather damage, tampering, or use for any other than the intended purpose.
  • Page 40 Nuvair to contact the user regarding this product. The user must notify Nuvair of any change of address by the user or sale of the product. All changes or revisions to this manual must be recorded in this document to ensure that the manual is up to date.
  • Page 41 MCH60 Notes: Nuvair Page 40 www.Nuvair.com...

  • Page 42: Plc Wiring Schematics

    MCH60 22.0 PLC Wiring Schematics (PLC wiring schematics on the following pages) Nuvair Page 41 www.Nuvair.com...
  • Page 43 MCH60 Notes: Nuvair Page 42 www.Nuvair.com...
  • Page 44 MCH60 Nuvair Phone +1.805.815.4044 Fax +1.805.486.0900 1600 Beacon Place Oxnard, CA 93033 USA info@Nuvair.com www.Nuvair.com Rev. 04.2021 Nuvair Page 43 www.Nuvair.com...

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