Related Manuals for Hach 205
Summary of Contents for Hach 205
- Page 1 HACH LOW TEMPERATURE INCUBATORS MODEL: 205/207 INSTALLATION AND OPERATIONAL MANUAL...
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Page 2: Table Of Contents
TABLE OF CONTENTS SECTION 1.0 RECEIVING AND INSPECTION SECTION 2.0 INSTALLATION SECTION 3.0 CONTROL OVERVIEW SECTION 4.0 OPERATION SECTION 5.0 MAINTENANCE SECTION 6.0 TROUBLESHOOTING SECTION 7.0 PARTS LIST UNIT SPECIFICATIONS SCHEMATICS REV 02/08 4861543 These units are Biochemical Oxygen Demand incubators for professional, industrial or educational use where the preparation or testing of materials is done at approximately atmospheric pressure and no flammable, volatile or combustible materials are being heated. -
Page 3: Receiving And Inspection
Section RECEIVING AND INSPECTION Your satisfaction and safety require a complete understanding of this unit. Read the instructions thoroughly and be sure all operators are given adequate training before attempting to put the unit in service. NOTE: This equipment must be used only for its intended application; any alterations or modifications will VOID your warranty. -
Page 4: Installation
Section INSTALLATION Local city, county or other ordinances may govern the use of this equipment. If you have any questions about local requirements, please contact the appropriate local agency. Installation may be performed by the end user. Under normal circumstances this unit is intended for use indoors, at room temperatures between 5°... - Page 5 Leveling: The unit must sit level and solidly. Turn the leveling feet counterclockwise to raise level. If the unit must be moved, turn the leveling screws in all the way to prevent bending of the feet. Cleaning: The incubator interior was cleaned at the factory, but not sterilized.
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Page 6: Control Overview
Section CONTROL PANEL OVERVIEW ( SEE FIGURE 1 ) Power Switch: The main power I/O (on/off) switch controls all power to the unit and must be in the I/ON position before any systems are operational. Main Temperature Control: The Main Temperature Control consists of the digital display and UP and DOWN arrow pads for inputting set point temperatures and calibration. -
Page 7: Operation
Section OPERATION Check power supply against unit serial plate. They must match. Plug service cord into the grounded electrical outlet. The power switch must be in the I/On position before the unit will operate (this includes both chambers on the 207). Turn the High Limit thermostat to its maximum position (clockwise). - Page 8 Set High Limit Thermostat: As mentioned in step 4.4, the High Limit Thermostat should be initially set to its maximum position, to allow the unit to stabilize. Once the incubator is stabile at the desired set point, turn the High Limit Thermostat counterclockwise until the HIGH LIMIT light turns on. Next, turn the Thermostat clockwise just until the light turns off.
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Page 9: Maintenance
Section MAINTENANCE ATTENTION: Your refrigerator is equipped with a special Thermostat Control Device (PTC). If the unit is turned off or unplugged, YOU MUST ALLOW THREE (3) MINUTES BEFORE RESTARTING OR REPLUGGING THE UNIT. The unit will not start if you attempt it in less than three (3) minutes. Note: Prior to performing maintenance and or service on this incubator, disconnect the unit from the power supply. - Page 10 freezing compartment whenever the layer of ice/frost on the wall of the freezing compartment reaches a quarter inch thick. For defrosting, remove everything from the freezing compartment and put drip tray in place. To start defrosting, set the cold control knob at the “OFF” position.
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Page 11: Troubleshooting
Section TROUBLESHOOTING FOR PERSONAL SAFETY, ALWAYS DISCONNECT THE POWER BEFORE SERVICING. Always make a visual inspection of the incubator and control console when troubleshooting to find loose or disconnected wires which may be the source of the trouble. TEMPERATURE Temperature too high 1/ controller set too high-see section 4.4 2/ controller failed on –... - Page 12 1/ sensor is plugged in backwards – reverse sensor wires to controller 2/ if ambient temperature is lower than range of unit – compare set points and ambient temperature to rated specifications in section 7, Unit Specifications. Unit will not heat over a temperature that is below set point 1/ confirm that fan is moving and that amperage and...
- Page 13 sensor – check connectors for continuity and mechanical soundness while watching display for erratic behavior; check sensor and wiring for mechanical damage. 9/ bad connections or faulty relay – check connectors for mechanical soundness and look for corrosion around terminals or signs of arcing or other visible deterioration.
- Page 14 3/ confirm proper sensor location and operation. 4/ look for leaks in the chamber or around the door gasket. 5/ assure there is ample room around the unit as described in Installation section 2.2 6/ adjust calibration on controller, see section 4.5 7/ compare ambient specifications to Unit specifications in section 7.
- Page 15 2/ If leaking outside: dry out and see if leak repeats and find source of leak. Sources may include: fittings that need tightening, condensation due to missing insulation or drip tray needs to be emptied. OTHER Controller on at all times - "locked-up"...
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Page 16: Parts List
Section PARTS LIST Description 115V 220V Circuit Breaker 1100505 1100505 Circulating Fan, Incubator X1000071 X1000071 Convenience Outlet 100020 X1000779 Cooling Fan, Compressor 210002 210002 Element Limit Control 1750506 1750506 EMI Filter 2800502 Heating Element Coil 2350503 120071 High Limit Thermostat 10000J 10000J I/O (On/Off) Power Switch... -
Page 17: Unit Specifications
UNIT SPECIFICATIONS Weight Shipping 190 lbs. 61 lbs. 300 lbs. 121 lbs. Dimensions Exterior WxDxH Interior WxDxH 18.5x19x38 16.5x14.5x22.5 18.5x19x70 16x15.5x29.5 each Capacity B.O.D. Bottles 59 per chamber Temperature Range Uniformity -10 to 45°C +.5 @ 20°C -10 to 45°C +.5 @ 20°C... - Page 18 Wire Diagram 115 Volts...
- Page 19 Wire Diagram 220 Volts...
- Page 20 SHELDON MANUFACTURING, INC. LIMITED WARRANTY (Parts only, exclusive of labor) Sheldon Manufacturing, Inc., (“Manufacturer”) warrants for the original user of this product that all parts, not including finished goods products, it manufactures or resells will be free from defects in material and workmanship for a period of one year from the date of delivery of this product to the original user (the “Warranty Period”).
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