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2202B0JE-DA-J-N_2012.01. 

Important Information 

Screw Compressor J-series 

 

 

iii

 

Important Information 

Intended Use of the Product 

This product is a universal screw compressor intended for refrigeration, cold storage, and air conditioning. Do 
not use the product for any other purposes that are not intended for or which depart from the specifications. 
For specifications of this product, refer to "2.2 Compressor Specifications". 

When performing maintenance use qualified refrigeration personnel. 

Important Information for Safe Use of the Product 

Although MAYEKAWA has paid a lot of attention to safety measures for this product, all hazards including 
potential hazards caused by human errors, or due to environmental conditions can not be anticipated. 

There are guidelines that must be observed for operating this product. However, the warnings in this manual 
and safety labels on the product are not all inclusive. When operating this product, pay extreme caution on 
personnel safety as well as on items described in this manual. 

Important rules for safety work with the product that apply to all workers including managers and supervisors 
are listed below. 

Before using this product, carefully read and fully understand the contents written in this manual and pay 
attention to safety. 

 

Operation, maintenance, and inspection of this product should be performed by qualified personnel 
educated about the fundamentals of the product and trained about hazards involved and measures to 
avoid danger. 

 

Do not allow any person other than those educated on the fundamental expertise of the product and 
trained about hazards involved and measures to avoid dangers to approach the product while it is 
operating or during maintenance. 

 

Observe all related federal/national and local codes and regulations. 

 

To prevent accidents, do not carry out any operation or maintenance other than those described in this 
manual, or use the product for any unapproved purpose. 

 

Replace the parts with the 

 genuine parts. 

 

Not only workers but also managers should actively participate safety and health activities in the 
workplace to prevent accidents. 

Observe the following precautions when performing maintenance work on electrical control. 

 

Electrical maintenance of the product must be performed by certified/qualified personnel and only those 
educated about the electrical control of the product. 

 

Before servicing or inspecting the electrical equipments or devices, turn "OFF" the motor main power 
and control power, and perform lockout/tagout to prevent the power from being turned on during work. 

Even when the motor main power and control power are turned "OFF", the product may be turned on if the 
power is supplied from outside the refrigeration system, cold storage, and air conditioning unit. Make sure the 
power supply on the power source side is shut off, and perform lockout/tagout to prevent the product from 
being turned on during work. 

 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for 170JL-V

Page 1: ...V 170JL V 220JS V 220JM V 220JL V 280JS V 280JM V 280JL V CAUTION Before operating maintaining or inspecting this product read the manual thoroughly and fully understand the contents Keep the operatio...

Page 2: ......

Page 3: ...ted as this product This operation manual hereinafter indicated as this manual describes safety information operational and maintenance procedures in detail for safe and effective use of this product...

Page 4: ...ster or other accidental forces such as fire thunderbolt windstorm intense rainfall flood tidal wave earthquake land subsidence e t c Malfunction or damage caused by misusage described below Malfuncti...

Page 5: ...qualified personnel educated about the fundamentals of the product and trained about hazards involved and measures to avoid danger Do not allow any person other than those educated on the fundamental...

Page 6: ...ual and how to read the manual Warranty and Disclaimer Describes clauses and coverage of warranty Exemption of warranty clauses is described as disclaimer Important Information Describes important inf...

Page 7: ...Hakata ku Fukuoka shi Fukuoka pref 810 0802 TEL 81 92 262 0016 FAX 81 92 262 0115 2 Factories in Japan Description Location Telephone and facsimile No Moriya Factory 2000 Tatsuzawa Moriya shi Ibaraki...

Page 8: ...830 0392 FAX 34 91 830 0397 MAYEKAWA EUROPE S A SUCCURSALE FRANCAISE 9 RUE MICHAEL FARADAY 78180 MONTIGNY LE BRETONNEUX FARNCE TEL 33 1 30 58 26 00 FAX 33 1 30 58 19 37 MAYEKAWA MFG CO LTD MOSCOW LIA...

Page 9: ...SHIN JANN ROAD CHIEN CHEN DIST KAOHSIUNG TAIWAN 80672 REP OF CHINA TEL 886 7 812 7709 FAX 886 7 812 9019 MAYEKAWA TAIWAN CO LTD TAIPEI BRANCH 8F NO 421 SUNG SHAN ROAD TAIPEI TAIWAN 11083 REP OF CHINA...

Page 10: ...A CHILE S A C el CONCEPCION OFFICE ANIBAL PINTO No 215 OFICINA 403 CONCEPCION CHILE TEL 56 41 223547 FAX 56 41 212443 MAYEKAWA CHILE S A C el PUERTO MONTT OFFICE BERNARDINO 1057 MODULO 6 PARQUE INDUST...

Page 11: ...FAX 58 243 269 3952 MYCOM VENEZUELA SALES SERVICE C A BARCELONA OFFICE Av MUNICIPAL DE PTO LA CRUZ EDIF LOCAL NRO 57 PLANTA ALTA MUNICIPIO SOTILLO PUERTO LA CRUZ VENEZUELA TEL 58 261 765 1059 MYCOM V...

Page 12: ...ies Operation Manual Document No 2202B0JE DA J N First edition issue date 2009 10 01 Revision No Issuance Date Contents of revisions modified clause page and details Created approved by 17J0001 2010 0...

Page 13: ...1 4 1 Emergency Stop Button 1 9 1 4 2 Breakers of Motor Main Power and Control Power Use of Lockout Tagout Devices 1 9 1 4 3 Compressor Protection Devices 1 10 1 5 Example of Material Safety Data Shee...

Page 14: ...to Installation 3 9 4 Compressor and Package Operation 4 1 Adjustment before Test Operation 4 1 4 1 1 Adjustment of Unloader Slide Valve and Variable Vi Valve 4 1 4 2 Refrigerant Oil Lubricant 4 2 4...

Page 15: ...s for Removal 5 41 5 4 8 2 Precautions for Installation 5 41 5 4 9 Vi Cylinder 5 43 5 4 9 1 Precautions for Removal 5 45 5 4 9 2 Precautions for Installation 5 45 5 4 10 Balance Piston Cover 5 46 5 4...

Page 16: ...Inspection for Runout Male Rotor Shaft 5 74 5 4 22 Inspection for Runout of Seal Cover Mount Face Bearing Cover 5 75 6 Troubleshooting 6 1 Troubleshooting 6 1 7 Related Documents 7 1 Development View...

Page 17: ...1 1 2 Do s on Maintenance When performing work with at least two or more persons thoroughly confirm the work procedure and clearly understand each others work before commencement Always turn OFF and l...

Page 18: ...neckties or jewelry that can get entangled in the moving or rotating parts A helmet is recommended to protect your head and hair Do not have anything in your pocket to prevent objects from falling in...

Page 19: ...any safety device by short circuiting or bypassing without any permission Do not leave the compressor unsafe and unattended by removing the safety cover or some other safety measures Do not touch cle...

Page 20: ...ates a potential hazardous situation which if not avoided could result in serious injury or death Indicates a potential hazardous situation which if not avoided may result in minor or moderate injury...

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