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Related Manuals for Thermo Electron 818
Summary of Contents for Thermo Electron 818
- Page 1 Installation/Service Manual Microprocessor Controlled Low Temperature Illuminated Incubator Model 818 (3751/3752) Thermo Electron Corporation Millcreek Road, Box 649 MArietta, Ohio 45750 Phone: 740-373-4763 Toll Free: 800-848-3080 FAX: 740-373-4189 Manual P/N 3177880 Rev F Dated 3 June 2005...
- Page 2 THE MATERIAL IN THIS MANUAL IS FOR INFORMATION PURPOSES ONLY. THE CONTENTS AND THE PRODUCT IT DESCRIBES ARE SUBJECT TO CHANGE WITHOUT NOTICE. THERMO ELECTRON CORPORATION MAKES NO REPRESENTATIONS OR WARRANTIES WITH RESPECT TO THIS MANUAL. IN NO EVENT SHALL THERMO BE LIABLE FOR ANY DAMAGES, DIRECT OR INCIDENTAL, ARISING OUT OF OR RELATED TO THE USE OF THIS MANUAL.
- Page 3 REVISION STATUS INDEX DATE AMENDED PAGES NOTES Initial release 6/99 8/99 Update part list for new kit #'s 9/01 18-20 Removed dual fans, updated parts list 8/01 Updated performance data chart 12/04 13, 18-20 Update for base model FFU2064DW1 6/05 36100115 (34001734) manual #, manufacture location...
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Page 4: Table Of Contents
Contents Introduction .......................... 1 Unpacking and Damage ....................... 1 General Information ......................2 Performance Data ........................ 2 Explanation of Controls ......................4 Instrumentation Port ......................6 Installation ..........................6 Operation ..........................7 Servicing ..........................13 Troubleshooting ......................... 13 Maintenance ........................17 Wiring Diagrams ......................... -
Page 6: Introduction
INTRODUCTION UNPACKING AND DAMAGE Your satisfaction and safety are important to Save all packing material until unit is put into Thermo and a complete understanding of this unit service. This merchandise was carefully packed is necessary to attain these objectives. and thoroughly inspected before leaving our factory. -
Page 7: General Information
The circulating fan provides even air distribution throughout the chamber and assures temperature PERFORMANCE DATA uniformity. The program mode of the 818 illuminated incubator Heat-Up Time: From -10°C to 50°C; 120 minutes allows the user to program into memory 2 sets of (Compressor "ON");... - Page 8 SAMPLE SCHEDULE SHEET...
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Page 9: Explanation Of Controls
The incubator leaves the factory with a default 5) TEMPERATURE DISPLAY - This four-digit schedule as follows: display indicates the incubator chamber temperature. Also, while programming, it will display the value prompted by the time display. Min1 Min2 Set1 20.0 Set2 20.0 6) HEATER ON LAMP - This lamp is illuminated... - Page 10 A schedule sheet (page 21) is provided so the user 2) ALARM RELAY - This Alarm Relay output is can predetermine the weeks program. It is strongly provided to the user for the purpose of remotely recommended to use this schedule sheet before monitoring the incubator in case of a high or low any programming is started.
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Page 11: Instrumentation Port
INSTALLATION 4) RECORDER OUTPUT - This is a DC millivolt output which represents the temperature of the Location incubator. The recommended main use of this is To assure proper ventilation, allow a minimum of with a chart recorder having an input impedance 4"... -
Page 12: Operation
WARNING WARNING FOR PERSONAL SAFETY, THIS APPARATUS MUST SAFETY PRECAUTIONS BE PROPERLY GROUNDED. 1. DO NOT PLACE ANY EXPLOSIVE,COMBUSTIBLE, OR FLAMMABLE MATERIALS IN THE CHAMBER. 2. DO NOT PLACE SEALED CONTAINERS IN THE The power cord of this instrument is equipped with CHAMBER. - Page 13 The displays will be similar to those Using either the keys, the below. These are for the day selection. user can select the correct hour of the day. After the correct hour has been selected, ENTER must be pressed and the displays will change to those illustrated in Step B.
- Page 14 If PROG is displayed and you wish to change The program mode of the 818 Illuminated Incubator allows the user to program in two to CONT, press the key and the displays sets of time, setpoint temperature, and light will change to the following: conditions for each day of the week.
- Page 15 Use the keys to select if you want the internal door lamps to be ON or OFF at your first hour and minute selection. After your selection is displayed, press the ENTER key and the displays will change to the following: At this point, the whole sequence starts over except that it is for Monday instead of Sunday.
- Page 16 The CALIBRATE key should be used ONLY Using the keys, select a to match a stable incubator's actual numerical password of your choice. temperature to the calibrated thermometer. Press the ENTER key. The LOCKED lamp will light and the displays will Place a calibrated thermometer (or the probe return to their normal operation.
- Page 17 If the door is not closed and the control senses The displays will change to the following: a temperature of 39°C or less after 2 minutes, the low alarm temperature will go off along with the compressor. This is not a real alarm This is the value for the alarm band, the failure.
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Page 18: Servicing
TROUBLESHOOTING Adjusting the Intake and Exhaust Ports The exhaust port is the top port on the door. Open Problems encountered with any constant it slightly by turning it counterclockwise to permit temperature chamber will most frequently be exhausting of chamber air. The intake port is the related to temperature control. - Page 19 WARNING Does not reach a high set point temperature: HAZARDOUS HIGH VOLTAGE CONDITIONS EXIST INSIDE CONTROL PANEL. TURN "OFF" LINE • No air circulation in chamber; inoperative fan SWITCH ON FRONT PANEL AND UNPLUG LINE (see Remedy 1) CORD. • Low line voltage, less than 110V (see Remedy 9) Remove all screws that fasten the cover.
- Page 20 There is another device known as an -Measure the voltage at U1-Pin 2 with respect Optoisolator which serves as the high/low to TP2. It should be no less than 4 volts DC. voltage isolator between the triac and the microprocessor. -Measure the DC voltage across R4, since the incubator is not requesting heat, there When the incubator starts experiencing...
- Page 21 -Measure the DC voltage across R4, since Before coming to the conclusion that the probe the incubator is requesting heat, there should is bad when one of these displays appear, be current flowing through this resistor, check the connection of the probe to the circuit making the voltage drop equal to 3 volts ±0.5 board.
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Page 22: Maintenance
Excessive line voltage variation: MAINTENANCE Incubator will operate satisfactorily over full temperature range (-10°C to 50°C) when line The design of the incubator is such that periodic voltages vary from nominal voltage by -5% or maintenance is kept to a minimum. No lubrication +10%. -
Page 23: Wiring Diagrams
WIRING DIAGRAM, 818 INCUBATOR 120V... - Page 24 WIRING DIAGRAM, 818 INCUBATOR, 230V...
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Page 25: Parts Replacement List
PARTS REPLACEMENT LIST DESCRIPTION PART NUMBER ASS'Y , PCB, DISPLAY , 818 3176816 ASS'Y , PCB, 818 CPU 3176825 ASS'Y , PCB, 818 PWR SUP 3176818 ASS'Y , PCB, 818 INTERFACE 3176817 DISPLAY/KEYBOARD, NEWCO2 3176756 ASS'Y , RTD TEMP. PROBE, 100... - Page 26 SCHEDULE SHEET...
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Page 28: Warranty
At Thermo's option, all non-conforming parts must be returned to Thermo Electron Corporation postage paid and replacement parts are shipped FOB destination. THIS WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES, WHETHER WRITTEN, ORAL OR IMPLIED.
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