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Chart Test Chambers

CHART INDUSTRIES, INC.

ISIS CHAMBER USER’S MANUAL

Rev. A

Содержание 11744195

Страница 1: ...Chart Test Chambers CHART INDUSTRIES INC ISIS CHAMBER USER S MANUAL Rev A...

Страница 2: ...N 55306 USA Design Modification DO NOT use this product in any manner not consistent with the instructions outlined in this manual NEVER alter the design or perform service that is not consistent with...

Страница 3: ...ilure prone components and assemblies in the shortest possible time The unique characteristics of Chart Inc Environmental Chamber systems are of key importance in achieving this effectiveness The staf...

Страница 4: ...this symbol needs extra attention NOTE Text in this format is extra information helpful to the situation CAUTION Text in this format is information to help avoid personal injury and or property damage...

Страница 5: ...RUMENTS 5 TEMPERATURE SAFETY CONTROLLER 6 SYSTEM INSTALLATION 7 LOCATION 7 ELECTRICAL POWER HOOK UP 7 LIQUID NITROGEN PLUMBING 8 EXHAUST GAS PLUMBING 8 OPERATION 10 OPERATOR CONTROL SWITCHES 10 WATLOW...

Страница 6: ...ntents List of Tables TABLE 1 CHAMBER PERFORMANCE SPECIFICATIONS 4 TABLE 2 SYSTEM DETAILS 4 TABLE 3 DIMENSIONS AND UTILITIES 4 TABLE 4 LIQUID NITROGEN COOLING VALVE PARTS 16 TABLE 5 REPLACEMENT THERMO...

Страница 7: ...peration Servicing of this equipment and its associated utility service must be done only by properly trained personnel Liquid nitrogen and high voltages can all cause severe injury or death if not pr...

Страница 8: ...fety system A separate thermocouple is provided for the limit control and located inside the air plenum If this device has reached an alarm condition the system must be reset by pressing the Chamber R...

Страница 9: ...ortional solid state control of resistive heating elements in air conditioning plenum Programmable Control and Data Logging Controller Watlow Series 96 temperature controller Communications A serial c...

Страница 10: ...ing environment around the chamber to ensure safe operating conditions The liquid nitrogen control is done by a solenoid valve The solenoid valve is chosen for its compact size and high reliability Th...

Страница 11: ...Controller A temperature Hi Lo limit control protects the chamber against thermal runaway due to a primary controller fault or control device failure The input to the Hi Lo limit control is a type T...

Страница 12: ...k of the control console for the entrance of the power wires The power specs are given in the Specs section of this manual It is extremely important to run a properly sized ground wire It is often ben...

Страница 13: ...he nitrogen pipe system This relief valve should be rated at a pressure less than 175 psig or the lowest pressure rated component in the system This relief valve is not included with the system and sh...

Страница 14: ...the room containing the chamber as well as the ventilation system number of air changes must be done to determine this If it is determined that the room is ventilated well enough to not plumb the exh...

Страница 15: ...e requirements are listed in the Specifications section 2 With all function switches in OFF position connect power to the chamber 3 Be sure chamber enclosure door is closed securely 4 Turn the Control...

Страница 16: ...chamber from thermal run away and extreme temperature conditions 5 SERIAL COMM communications connection This connector is provided on the back of the control box for future serial communications wit...

Страница 17: ...ure Set Points The temperature set point for the chamber is displayed on the bottom display of the Watlow controller The set point is simply entered by using the up and down arrow buttons on the front...

Страница 18: ...l is a shielded type T thermocouple The thermocouple is mounted in the air flow plenum and is not directly visible The temperature safety controller has two independent set points One set point is a h...

Страница 19: ...t the LN2 supply is on and that there is sufficient LN2 to perform your test The pressure of the LN2 should also be verified and maintained at less than 175 psig Maintenance Tasks to be Performed on a...

Страница 20: ...m and tighten if necessary Maintenance Tasks to be Performed Every Three Months 1 Measure and record the resistance of the heater Changes in these measurements over time can help predict any future he...

Страница 21: ...rugged and shielded sensor designed to withstand the entire temperature range of the chamber The shielding helps ensure reliable input signals to the temperature controller Chart sells this wire by t...

Страница 22: ...lation thereof will be the responsibility of the customer Accessories and components not manufactured by Chart Industries Inc shall be warranted to the extent of the original manufacturer s warranty C...