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mycom J Series Operation Manual

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2202B0JE-DA-J-N_2012.01.
Revision No. 17J0002: 2012/01/31
Screw Compressor
J-Series Operation Manual
170JS-V/170JM-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 operation manual in a safe, designated place for future reference whenever the need
arises.
Specifications of this product are subject to change without prior notice.
3–14–15 Botan Koto-ku, Tokyo 135-8482, Japan

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  • Page 1 2202B0JE-DA-J-N_2012.01. Revision No. 17J0002: 2012/01/31 Screw Compressor J-Series Operation Manual 170JS-V/170JM-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 operation manual in a safe, designated place for future reference whenever the need arises.
  • Page 3 2202B0JE-DA-J-N_2012.01. Preface Preface Thank you for purchasing the J-series/screw compressor (hereinafter indicated 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. Before installing or using this product, make sure you read this manual.
  • Page 4 2202B0JE-DA-J-N_2012.01. Warranty and Disclaimer Warranty and Disclaimer Warranty Clauses If malfunctions or damages occur under proper usage (conditions) following documents such as operation manual or drawings of this product, or, if MAYEKAWA judges that malfunctions or damages are related to design or manufacture of the product, and if the malfunctions or damages are within the warranty period, we will repair or replace the product without any charges.
  • Page 5 2202B0JE-DA-J-N_2012.01. Important Information 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".
  • Page 6 2202B0JE-DA-J-N_2012.01. Important Information About This Manual  This product may be modified without prior notice. Therefore, the appearance of actual machine may differ from the descriptions in this manual. If you have any questions contact your sales offices or service centers. ...
  • Page 7 2202B0JE-DA-J-N_2012.01. Important Information Inquiry (January 2012) If you need further information or have any questions, please contact your local sales offices or service center. 1) Sales Offices in Japan Te lepho ne an d D es cript ion Loca tion fa csimile No.
  • Page 8 2202B0JE-DA-J-N_2012.01. Important Information Telephone and Description Location facsimile No. MAYEKAWA U.S.A. INC. 2615 W CASINO ROAD, UNIT-3D, TEL: (1) 425-645-9400 (SEATTLE OFFICE) EVERETT, WA 98204, U.S.A. FAX: (1) 425-353-3344 MAYEKAWA U.S.A. INC. 4700 SW MACADAM AVENUE, TEL: (1) 971-230-1795 (PORTLAND OFFICE) SUITE 201 PORTLAND, OREGON 97239, U.S.A.
  • Page 9 2202B0JE-DA-J-N_2012.01. Important Information Telephone and Description Location facsimile No. MAYEKAWA INDIA PVT. LTD. CS-9 SECOND FLOOR, RASHMI PALACE, (AGRA OFFICE) SULTAN GANJ KI PULIA, KAMLA NAGAR, AGRA, U.P. 282005, INDIA P.T.MAYEKAWA INDONESIA GRAHA PRATAMA BUILDING, 9TH FLOOR JL. TEL: (62) 21-8370-9484 M.T.
  • Page 10 MEMBER CO., LTD 60A HOANG VAN THU, WARD 9, FAX: (84) 8-3997-5287 (MAYEKAWA VIETNAM) PHU NHUAN DIST., HO CHI MINH CITY, VIETNAM MYCOM KOREA CO., LTD. JUYEON BUILDING 2F, SEOGYE-DONG 209, TEL: (82) 2-796-1766 HEAD OFFICE YONGSAN-KU, SEOUL, 140-710, FAX: (82) 2-798-7715 REP.OF KOREA...
  • Page 11 SALES & SERVICE, C.A. EDF.TECHOMAT METROPOLITANO, PISO 1, FAX: (58) 243-269-3952 (MARACAY OFFICE) OFICINA 3, MARACAY, EDO.ARAGUA, VENEZUELA MYCOM VENEZUELA SALES & Av. MUNICIPAL DE PTO. LA CRUZ, EDIF. TEL: (58) 261-765-1059 SERVICE, C.A. (BARCELONA LOCAL NRO.57, PLANTA ALTA, MUNICIPIO OFFICE)
  • Page 12 2202B0JE-DA-J-N_2012.01. Revision Description Revision Description 170J-Series Operation Document First edition Operation 2202B0JE-DA-J-N 2009/10/01 manual name issue date Manual Revision Issuance Contents of revisions (modified clause, page, and Created/approved by: Date details) 17J0001 2010.03.15 Corrected editing error of Vi Position Sensor. Kobayashi 17J0002 2012.01.31...

  • Page 13: Table Of Contents

    2202B0JE-DA-J-N_2012.01. Table of Contents Table of Contents Safety Observation/Prevention ................1-1 1.1.1 Observance (Do's).................... 1-1 1.1.1.1 Do's on Operation..................1-1 1.1.1.2 Do's on Maintenance................... 1-1 1.1.1.3 Do's on Lockout/Tagout after Shutting off the Power ........1-1 1.1.1.4 Do's about Personal Protective Devices ............. 1-2 1.1.1.5 Strict Do's about Handling of Hazardous and Toxic Substances ....
  • Page 14 2202B0JE-DA-J-N_2012.01. Table of Contents 2.8.3.2 Fixed Vi Mode.................... 2-26 2.8.4 Vi Position Sensor ..................2-26 Solenoid Valve ...................2-27 Installation Precautions for Installation.................3-1 Installation Work ..................3-2 3.2.1 Unpacking......................3-2 3.2.2 Storage ......................3-2 3.2.3 Transfer ......................3-2 3.2.4 Preparation for Installation................3-3 3.2.5 Installation......................
  • Page 15 2202B0JE-DA-J-N_2012.01. Table of Contents 5.3.2 Replacement Interval for Refrigerant Oil ............5-17 Disassembly and Assembly of the Compressor........5-18 5.4.1 Preparation for Disassembly ................5-18 5.4.2 Common Work Items ..................5-20 5.4.3 Vi Position Sensor ..................5-22 5.4.3.1 Precautions for Removal ................5-23 5.4.3.2 Precautions for Installation ................
  • Page 16 2202B0JE-DA-J-N_2012.01. Table of Contents 5.4.16.4 Precautions for Installation ................ 5-65 5.4.17 Bearing Head....................5-66 5.4.17.1 Precautions for Removal ................5-66 5.4.17.2 Precautions for Installation ................ 5-67 5.4.18 Suction Adapter (except for 280J) ..............5-68 5.4.18.1 Precautions for Removal ................5-69 5.4.18.2 Precautions for Installation ................

  • Page 17: Safety

    2202B0JE-DA-J-N_2012.01. 1 Safety 1 Safety Observation/Prevention 1.1.1 Observance (Do's) 1.1.1.1 Do's on Operation  Always use the specified controller (CP4) designed for this product.  This controller protects the compressor utilizing sensor output values.  Make sure that all necessary safety devices are installed and the control values for machine protection are set correctly.

  • Page 18: Do's About Personal Protective Devices

    2202B0JE-DA-J-N_2012.01. 1 Safety  If there are any possibilities of danger during work (especially during cleaning, maintenance, inspection, or troubleshooting), turn "OFF" the main motor and control power, and perform lockout/tagout.  Before entering the package for troubleshooting, setup, cleaning, or maintenance/inspection, always apply lockout/tagout to the main motor and control power personally.

  • Page 19: Prohibition (Don'ts)

    2202B0JE-DA-J-N_2012.01. 1 Safety 1.1.2 Prohibition (Don'ts)  Do not remove or relocate any safety device, including electrical interfaces.  Do not disable 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.

  • Page 20: Warnings

    2202B0JE-DA-J-N_2012.01. 1 Safety Warnings To alert workers about possible dangers, the following two measures are always provided with the compressor.  Warnings described in this manual  Safety labels affixed on the compressor 1.2.1 Types and Meanings of Warnings This manual includes the following four types of warnings to be used for hazards during operation or maintenance of the compressor.

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