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Thermo 4862 Operating And Maintenance Manual

120 volt cell roll unit
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Model 4862
120 Volt Cell Roll Unit
Operating and Maintenance Manual
Manual No: 7024862
Rev. 0

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Summary of Contents for Thermo 4862

  • Page 1 Model 4862 120 Volt Cell Roll Unit Operating and Maintenance Manual Manual No: 7024862 Rev. 0...
  • Page 2 Thermo be held liable for any damages, direct or incidental, aris- ing out of or related to the use of this manual. This product is manufactured by Wheaton Scientce Products, Inc. and distributed by Thermo Forma. MANUAL NUMBER 7024862 10/06/98...
  • Page 3 Model 4862 Cell Roller____________________________________________________________________________Safety General Safety Instructions Note: Even the safest equipment can cause injury if the user is careless. 1. KNOW YOUR INSTRUMENT- Read the operating manual carefully. Learn the equipment’s application and limitations. 2. GROUND ALL EQUIPMENT - If electrical, this instrument is equipped with a grounding type plug. The green/yellow con- ductor in the cord is the grounding wire and should never be connected to a live terminal.
  • Page 4 Model 4862 Cell Roller_________________________________________________________________________Service...

  • Page 5: Table Of Contents

    Model 4862 Cell Roller____________________________________________________________________Table of Contents Table of Contents Modular Roller Rotation Alarm 1.0 SPECIFICATIONS 11.0 SPECIFICATIONS 2.0 INTRODUCTION 12.0 INTRODUCTION 12.1 CIRCUIT OPERATION PRINCIPLE 3.0 GENERAL INFORMATION 3.1 SAFETY CONSIDERATIONS 13.0 TESTING 3.2 COMPONENT DESCRIPTIONS 13.1 TESTING UNIT WITH ROTATION ALARM IN FULL 3.3 INITIAL INSPECTION...

  • Page 6: Specifications

    Model 4862 Cell Roller_____________________________________________________________________Specifications SECTION 1.0 - SPECIFICATIONS OPERATING VOLTAGE: 110-120VAC 50/60 Hz POWER CONSUMPTION: 35 watts BOTTLE SPEED: 0.25 to 5.3 RPM INSTALLATION CATEGORY: Class II ENVIRONMENTAL: Operating temperature: 15°C to 40°C Humidity: 80% up to 31°C. 50% at 40°C.

  • Page 7: Introduction

    Model 4862 Cell Roller_______________________________________________________Introduction / General Information SECTION 2.0 - INTRODUCTION SECTION 3.0 - GENERAL INFORMATION The Wheaton Modular Roller Apparatus allows large-scale This section contains a general description of the Wheaton propagation of monolayer cell cultures in standard glass and Modular Roller Apparatus.

  • Page 8: Initial Inspection

    Model 4862 Cell Roller________________________________________________________________________Operation SECTION 4.0 - OPERATION (See Figure 1) Two options are available for Wheaton Modular Roller Apparatus. These include a rotation alarm system and a battery back-up system. The rotation alarm and battery back-up sys- tems are housed within the control unit of the apparatus.

  • Page 9: Maintenance

    Model 4862 Cell Roller________________________________________________________________________Maintenance SECTION 5.0 - MAINTENANCE (FOR QUALIFIED SERVICE PERSONNEL ONLY) DANGER! NEVER ATTEMPT TO PERFORM REPAIRS IF THIS INSTRUMENT IS PLUGGED IN! IN ORDERTO AVOID SERIOUS ELECTRIC SHOCK OR ELECTROCUTION, THIS INSTRUMENT MUST BEDISCONNECT- ED FROM THE SOURCE OF AC POWER BEFORE IT IS WORKED ON.

  • Page 10: Troubleshooting

    Model 4862 Cell Roller____________________________________________________________________Troubleshooting SECTION 6.0 - TROUBLESHOOTING Motor fails to maintain constant rotation speed; (FOR QUALIFIED SERVICE PERSONNEL ONLY) Cause: Motor control board defective. Remedy: Replace defective board. DANGER! NEVER ATTEMPT TO PERFORM REPAIRS IF THIS INSTRUMENT IS Cause: Drive motor defective.

  • Page 11: Motor Brush Replacement

    Model 4862 Cell Roller___________________________________________________________________Troubleshooting 6.2 MOTOR BRUSH REPLACEMENT (SEE FIG. C) 6.4 FUSE REPLACEMENT (SEE FIG. H) 1. Disconnect the cordset from the AC power source. 1. Unplug unit from the power source. 2. Locate power input connector/voltage selector module.

  • Page 12: Battery Backup

    Model 4862 Cell Roller___________________________________________Specifications for Battery Backup / Introduction SECTION 7.0 - SPECIFICATIONS FOR SECTION 8.0 - INTRODUCTION TO BATTERY BATTERY BACKUP BACKUP (SEE ALSO GENERAL SPECIFICATIONS FOR OVER- ALL UNIT) The Wheaton Battery Backup System is a factory installed option which provides 24 hours of auxiliary power automatical- ly to the roller apparatus should a primary power failure occur.

  • Page 13: Operation

    Model 4862 Cell Roller_____________________________________________________________Battery Backup Operation SECTION 9.0 - BACKUP OPERATION 9.3 BATTERY CHARGING CYCLE Discharged batteries are charged using a three step charg- 1. The battery backup system utilizes two sealed lead acid ing cycle. batteries which must be maintained in a fully charged Bulk or Main Charge: The charger is in constant current state to ensure proper auxiliary operation.

  • Page 14: Circuit Description

    Model 4862 Cell Roller_________________________________________________________Battery Backup Troubleshooting 10.3 CIRCUIT CONDITIONS WHEN IN FLOAT MODE SECTION 10 - BACKUP TROUBLESHOOTING (FOR QUALIFIED SERVICE PERSONNEL ONLY) Charger enters float mode when batteries are fully charged. Battery voltage should level off to between 29.0 - 75.7VDC at 25°C.

  • Page 15: Rotation Alarm

    Model 4862 Cell Roller____________________________________________________Rotation System Alarms / Introduction SECTION 11 - SPECIFICATIONS OF SECTION 12 - INTRODUCTION TO ROTATION ALARM SYSTEM (SEE FIG. F) ROTATION ALARM SYSTEM 1. Rotation Failure Detection Method: The Wheaton Rotation Alarm System is a factory or retro- Magnetic Reed Switch fitable option to monitor a roller apparatus for operation.

  • Page 16: Testing Unit With Rotation Alarm In Full

    Model 4862 Cell Roller___________________________________Rotation Alarm System Testing / User Interface Connections SECTION 13 - TESTING OF SECTION 14 - USER INTERFACE ROTATION ALARM SYSTEM CONNECTIONS FOR ROTATION ALARM SYSTEM 13.1 Testing with unit in Rotation Alarm in full opera- tion...

  • Page 17: Rotation Alarm False Alarms

    Model 4862 Cell Roller_______________________________________________Rotation Alarm System Troubleshooting 15.3 Rotation alarm fails to operate, LED indicators SECTION 15 - TROUBLESHOOTING THE are on ROTATION ALARM SYSTEM a. Short in magnetic reed switch cable. Equipment required: Multimeter measuring ohms and Use steps in Section 15.1b to check continuity of reed volts, #1 Phillips screwdriver, small magnet.
  • Page 18 Model 4862 Cell Roller_______________________________________________________________________Parts List SECTION 16 - PARTS LIST 16.1 MODULAR ROLLER DECK ASSEMBLY (FIG. A) ITEM DESCRIPTION USE QTY. WHEATON NO. CABINET, BASE FRONT RAIL BASE 052709 REAR RAIL BASE 052710 ASS'Y SPEED CONTROL 052720 BRACKET MOTOR 055476 MOTOR, 28 RPM, 90VDC .312"...
  • Page 19 Model 4862 Cell Roller_______________________________________________________________________Parts List ITEM DESCRIPTION USE QTY. WHEATON NO. IEC POWER INLET MODULE 055302 CONN, 1/4" PUSHON 050312 LED BUSHING 052719 SCREW, #4-40 X 1/4" LG PPHM 052207 BRACKET BATTERY BACKUP 052684 FUSE DRAWER 115V 055303 VOLTAGE SELECTOR MODULE 05304 FUSE, 1 1/4 X 1/4 3AG .750 AT 250V...
  • Page 21 Model 4862 Cell Roller_____________________________________________________________________________Figures 16.2 MODULAR ROLLER DECK ASSEMBLY (FIG. B) ITEM DESCRIPTION WHEATON NO. BASE ASSEMBLY DECK, SUB ASSEMBLY 052699 MOTOR GUARD 055446 END COVER 052733 PULLEY, TOOTHED 052714 BELT, DRIVE 225L025 052719 SCREW, #6-32 x 3/8" LG. PPHM 052240 WASHER, STAR #6 INT.
  • Page 25 Model 4862 Cell Roller__________________________________________________________________________Figures 16-8...
  • Page 26 Model 4862 Cell Roller__________________________________________________________________________Figures 16-9...
  • Page 28 Model 4862 Cell Roller__________________________________________________________________________Figures 16-11...
  • Page 29 Model 4862 Cell Roller__________________________________________________________________________Figures FIGURE 1 - CONTROLS AND THEIR FUNCTIONS 1. ON/OFF Power Switch: Press the upper part of the switch (1) to turn ON the modular roller apparatus. Press the lower part of the switch (0) to turn OFF the modular roller apparatus.
  • Page 31 Model 4862 Cell Roller__________________________________________________________________________Notice NOTICE CANADA This Class A digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations. Cet appareil numerique de Ia classe A respecte toutes les exigences du Reglement sur le material du Canada United States This device complies with Part 15 of the FCC Rules.

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