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HP 11744195 - page 1
Chart Test Chambers CHART INDUSTRIES, INC. ISIS CHAMBER USER’S MANUAL Rev. A ...
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HP 11744195 - page 2
Chart Environmental Chambers Overview Overview ❏ Service The Chart Environmental Chambers have been designed for years of safe and dependable operation. In the event service is required, contact the nearest Chart authorized service center or contact Chart at: Chart Industries, Inc. 3505 County Road 42 West Burnsville, MN 55306 USA Phone: 1-888-87 ...
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HP 11744195 - page 3
Chart Environmental Chambers Overview • This manual is intended for use by Chart, Inc. Environmental Cham ber customers. It is important to read and understand the information in this m anual before installing or operating the chamber system. This will result in safer operation, longer equipm ent life, and more effective testing. Other component ...
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HP 11744195 - page 4
Chart Environmental Chambers Overview ❏ Symbols and statements throughout this text and their m eaning: Text following this symbol needs extra attention. NOTE: Text in this format is extra inform ation helpful to the situation. CAUTION: Text in this format is information to help avoid personal injury and/or property damage. WARNING! : Text in thi ...
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HP 11744195 - page 5
Chart Environmental Chambers Table of Contents Table of Contents OVERVIEW ..................................................................................................................... II ❏ S ERVICE .................................................................................................................. II ❏ M ANUFACTURER ...... ...
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HP 11744195 - page 6
Chart Environmental Chambers Table of Contents List of Tables T ABLE 1 - C HAMBER P ERFORMANCE S PECIFICATIONS ..........................................................4 T ABLE 2 - S YSTEM D ETAILS .................................................................................................4 T ABLE 3 - D IMENSIONS AND U TILITIES .............. ...
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HP 11744195 - page 7
Chart Environmental Chambers Description of Safety Features Safety Information Your Chart equipment is provided with several safety systems designed to help prevent accidental damage to product and equipment, and avoid injury to personnel. Always operate this equipment in accordance with the procedures set forth in the OPERATION section of this ...
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HP 11744195 - page 8
Chart Environmental Chambers Description of Safety Features Description of Safety Features On each unit, there are a number of features, which help to ensure safe operation. These features are: ❏ Temperature High/Low Limit Control: A user-programmable lim it control is provided as an independent measure of safety against thermal runaway (hot or c ...
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HP 11744195 - page 9
Chart Environmental Chambers Specifications and Utility Requirements Specifications and Utility Requirements Table 1 - Chamber Performance Specifications Performance Temperature Allowable Range -80 to +200 ° C Temperature change rate Up to 20 ° C/min Temperature Control +/- 2 ° C after stabilization Table 2 - System Details System Details Coolin ...
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HP 11744195 - page 10
Chart Environmental Chambers Features Features ❏ Temperature Control System: Heating is accomplished with resistive electric elements, while cooling is accom plished by blowing liquid nitrogen into the chamber. The liquid nitrogen is vaporized through nozzles and the cold vapor is circulated over the products in the chamber so that liquid nitroge ...
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HP 11744195 - page 11
Chart Environmental Chambers Features the air-flow plenum and is not directly visibl e. The following figure is a picture of the Watlow controller: Watlow Series 96 temperature controller. ❏ Temperature Safety Controller A temperature Hi/Lo limit control protects the cham ber against thermal runaway due to a primary controller fault or control de ...
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HP 11744195 - page 12
Chart Environmental Chambers System Installation System Installation ❏ Location The location of the chamber should be chosen with a few items in m ind: • The left side of the chamber has an access port, which allows passing power and data acquisition wires into the chamber and connecting to the device under test. • The top side of the chamber ...
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HP 11744195 - page 13
Chart Environmental Chambers System Installation suction into the blower in the back wall of the chamber and discharge from the top of the chamber. ❏ Liquid Nitrogen Plumbing Along with the electrical power, bring in the LN 2 service from the top or the back of the chamber for easy access around the chamber. The connection point is at the solenoi ...
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HP 11744195 - page 14
Chart Environmental Chambers System Installation It may be possible to run the chamber without the exhaust gas plum bed out of the building. An evaluation of the size of the room containing the chamber, as well as the ventilation system (number of air changes) m ust be done to determine this. If it is determined that the room is ventilated well eno ...
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HP 11744195 - page 15
Chart Environmental Chambers Operation Operation Check system functions and your understanding of the system by following these steps with an empty thermal enclosure before installing the product to be tested. 1. Verify that all utilities are on-line before operating equipment. Liquid nitrogen is required for proper cooling. (Empty or low LN 2 tank ...
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HP 11744195 - page 16
Chart Environmental Chambers Operation 2. Control Power (OFF, ON) This switch controls the 24vdc control power in the control system. If this switch is turned OFF, all control functions will be disabled. The temperature controllers are powered from a 115vac circuit, so they w ill remain powered up even if the control power switch is turned OFF, how ...
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HP 11744195 - page 17
Chart Environmental Chambers Operation N A TU R A L H E A T R ISE IN ISI S- 1 .4 0 5 10 15 20 25 30 0 50 100 150 200 250 300 350 400 450 500 Ti m e El a ps e d (m i n) N o l i ve he a t l oa d i n cha mb er Watlow Series 96 Controller Operation NOTE: For more complete instructions on the operation of the W atlow Series 96 controller, refer to t ...
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HP 11744195 - page 18
Chart Environmental Chambers Operation Heating/Cooling Indicators When the Watlow controller is applying a heat or cool signal, an LED is indicated on the front panel. The longer the particular LED is on, the more heating/cooling power is being applied. If the LED is continuously on, that indicates full heating/cooling power. If a heating signal is ...
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HP 11744195 - page 19
Chart Environmental Chambers System Maintenance System Maintenance Maintenance of this equipment should be done by a qualified technician. High voltage electrical systems, cryogenic plumbing, and m echanical systems all represent a potential for injury or death. The main power must be rem oved from the chamber, and the liquid nitrogen supply should ...
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HP 11744195 - page 20
Chart Environmental Chambers System Maintenance 5. The seals and gaskets on the doors floors and ports should be inspected for adequate sealing. Remove any foreign materials that m ay be embedded in the gasket. Wo rn or damaged gasket should be replaced. 6. Check all the fasteners on the system and tighten if necessary. ❏ Maintenance Tasks to be ...
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HP 11744195 - page 21
Chart Environmental Chambers Replacement Parts REPLACEMENT PARTS If any parts are required, please call 1-888-877-3093 for pricing and availability. The following information provides Chart Industries, Inc. part numbers to assist in finding the correct part. ❏ Liquid Nitrogen Solenoid Valve The following table lists various items that may need to ...
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HP 11744195 - page 22
Chart Environmental Chambers Warranty Warranty Chart Industries, Inc. warrants the equipment and materials m anufactured under this contract are in accordance with Chart Industries, Inc. specifications. If any part of said equipment or material m anufactured by Chart Industries, Inc., as determined by the seller, is defective in workmanship or mate ...
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