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Criterion Series Benchtop User’s Manual

34

6.2 Checks

Overheat Protector Trip Test

Before every test, test-trip the overheat protector.

1. Press the POWER key to activate control power.

The current temperature (humidity) will appear on the display.

2. Press either the CONST.OPER./STOP key or the

PRGM OPER./STOP

key.

The cabinet will start up.

3. Set the overheat protector about 5°C lower than cabinet temperature.

If the overheat protector is working properly, a buzzer will sound and the

Alarm screen will be appear on the display when temperature inside the

cabinet reaches the overheat protector setting.

If the buzzer doesn’t sound, something is wrong with the equipment.

Contact the place of purchase or ESPEC.

4. To silence the buzzer, press either the

or

keys.

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Содержание BTL-433

Страница 1: ...CRITERION CHAMBER SERIES BENCH TOP INSTRUCTION MANUAL...

Страница 2: ...ture Humidity Control 12 2 2 2 Watlow Instrumentation 13 3 Names and Functions of Parts 15 3 1 Chamber 15 3 1 1 Front 15 3 1 2 Left Side 16 3 1 3 Right Side 17 Table 3 3 Right Side Parts 17 3 1 4 Test...

Страница 3: ...g the Operation 32 Chapter 6 Checks and Maintenance 33 6 1 Check and Maintenance Lists 33 6 2 Checks 34 Overheat Protector Trip Test 34 6 3 Maintenance 35 Condenser Cleaning 35 Humidifier Cleaning 36...

Страница 4: ...pment is handled incorrectly DANGER This mark means dangerous consequences may arise with the possibility of death or serious injury to the user if the equipment is handled incorrectly CAUTION This ma...

Страница 5: ...e parts have been included with your chamber Accessory Part Use Quantity Power Cord To provide power to the chamber from an outlet Details of plug type are in the installation section 4 of the manual...

Страница 6: ...s 2 Trinitro benzene trinitrotoluene picric acid and other explosive nitrocompounds 3 Peracetic acid methyl ethyl ketone peroxides benzoyl peroxide and other organic peroxides B Inflammable Substances...

Страница 7: ...ible substances that are in a gaseous state at a temperature of 15 C 60 F and at a pressure of 1 atmosphere CAUTION DO NOT introduce corrosive substances into the equipment Humidifying water or specim...

Страница 8: ...t approximately 15 C higher than target temperature Set below specimen s maximum allowed temperature Max 160 C N A Absolute low limit Set a minimum 5 C lower than target temperature Set above specimen...

Страница 9: ...rget temperature is 40 C and the maximum allowed temperature of the specimens is 60 C Safety devices are set as follows Table 1 2 Setting Example for Overheat Protector and High Limit Temperature Alar...

Страница 10: ...at the chamber is equipped with multiple safety devices abnormal temperatures cannot escape detection even if one of the devices is not working properly 80 60 75 70 Chamber Temperature C Time Abnormal...

Страница 11: ...e door off its hinges The door cannot be opened from the inside so there is the danger of someone becoming trapped inside You will need a Phillips head screwdriver to detach the door Procedure 1 Open...

Страница 12: ...he life of the refrigeration system CAUTION HOT AIR BLAST WHEN OPEN Use caution when opening the door during and shortly after operation at high temperature or high humidity Hot wet air is blown from...

Страница 13: ...overed by the Kyoto Protocol See chart below for global warming potential of refrigerants used by ESPEC See chamber serial tag for refrigerant and quantity used in this chamber Substance GWP R 23 12 0...

Страница 14: ...d other specifications under various environmental conditions They are used to evaluate the effects that temperature and humidity can have of equipment and parts across the entire product life cycle f...

Страница 15: ...umidity inside the chamber to reproduce the desired conditions This is done by continuously controlling the capacity of a cooler dehumidifier of high heat load and a heater and humidifying heater of l...

Страница 16: ...Test Conditions in Constant Mode Program Mode The program mode changes chamber temperature and humidity according to a user set program This program is created before testing starts It contains multip...

Страница 17: ...Criterion Series Benchtop User s Manual 14...

Страница 18: ...n Return to this chapter any time that you are unsure where a part is located 3 1 Chamber 3 1 1 Front Table 3 1 Chamber Front Parts Name Function Use 1 Instrumentation Panel User interface panel for c...

Страница 19: ...humidifier water on BTL and BTX models 2 Chamber Light Switch Controls interior chamber lamp 3 Overheat Protector Stops chamber operation before the temperature can damage the specimens 4 Option Panel...

Страница 20: ...Right Side Parts Name Function Use 1 Power Connection Connection point for power cord 2 Refrigeration Room Access For maintaining refrigeration system 3 Circuit Breaker Access Access to electrical ci...

Страница 21: ...eturn Air Re circulating air returns to the conditioning plenum here Do not block this grille 4 Chamber Lamp Light for the chamber workspace 5 Air circulator Air supplied to the product through this g...

Страница 22: ...o To Factory 1A 1B 2A 2B Active Output Indicator Lights Alarm Output Indicator Lights Communications Indicator Light Scroll Bar Upper Display Lower Display Cursor Profile Indicator Light Up and Down K...

Страница 23: ...Criterion Series Benchtop User s Manual 20...

Страница 24: ...ree of sharp temperature fluctuations 0 1 C min or 3 C 30 mins Performance specifications are only guaranteed within a temperature range of 18 27 C In a dust free room Which is not exceptionally wet o...

Страница 25: ...e rated voltage Within 10 while the chamber is running A power cable is provided of the proper wire gauge for the chamber and an appropriate plug is also provided The following table gives the plug ty...

Страница 26: ...electric shock Furthermore this will leave the equipment unprotected against power supply noise Procedure 1 Use power cable provided or fabricate your own cable using the power requirements on the sch...

Страница 27: ...out of the chamber Procedure Connect a hose fitting and hose to the threaded drain fitting The drain fitting size is 3 8 FPT The hose used for drainage must have a minimum internal diameter of 3 8 Not...

Страница 28: ...of the water level regulator 2 Take out the stopper sponge packing material found inside 3 Confirm that the float is in the upright position 2 Return and close the lids Fig 4 4 CAUTION The valve seat...

Страница 29: ...ying system does not matter but the purified water should be filtered 5 micron have a conductivity of 0 2 S cm to 10 S cm and a maximum of 2mg L of free chlorine If your chamber is equipped with an op...

Страница 30: ...will need to have power applied water supplied and the controller power on The chamber should be running when checking the water level Be sure to use a low humidity set point on the controller 20 C 5...

Страница 31: ...Criterion Series Benchtop User s Manual 28...

Страница 32: ...20 then the specimen should not be placed closer than 2 to the chamber side wall 2 If that same chamber has a depth of 11 then the specimen should not be placed any closer than 2 from to door or rear...

Страница 33: ...s The Watlow F4 Controller has RS 232 Modbus Protocol Comm Port Controller functions can be controlled and monitored via this interface See Watlow F4 Manual for details 5 3 Controller Operation Please...

Страница 34: ...lead to specimen damage Procedure Turn the dials until a suitable temperature is displayed OVERHEAT PROTECTOR Dial Fig 5 5 Overheat protector Absolute High Low Limit Temperature Humidity Alarms CAUTIO...

Страница 35: ...emperature in the chamber 5 6 Running a Ramp Soak Profile Profile Mode To initiate the profile mode press the Profile Key and answer the questions that follow While running a profile the Profile Statu...

Страница 36: ...the place of purchase or ESPEC Table 6 1 Check list Check item When to check Overheat protector trip test Before long test runs Before unmanned tests Steam Generator and Wick Pan Water Level Check Onc...

Страница 37: ...OP key or the PRGM OPER STOP key The cabinet will start up 3 Set the overheat protector about 5 C lower than cabinet temperature If the overheat protector is working properly a buzzer will sound and t...

Страница 38: ...the cabinet from its electrical outlet or turn off power supply to chamber 2 Remove the filter from under the chamber by sliding the filter to the front of the chamber 3 Clean the condenser filter of...

Страница 39: ...o ensure long lasting use clean the generator and heater of dirt once a month A good way to inhibit dirt from accumulating is to drain the humidifying tray after every test Procedure 1 Remove plenum f...

Страница 40: ...am generator of water Dry the test area run the chamber at low humidity Unplug chamber Drying the test area The chamber is run to dry the test area Turn humidity control OFF and run the cabinet at a m...

Страница 41: ...Criterion Series Benchtop User s Manual 38...

Страница 42: ...cabinets are equipped with a buzzer that sounds when detects trouble as well as self check features which display the trouble on the instrumentation panel display Displayed alarm codes and their cont...

Страница 43: ...undetected in cabinet self checks and cases of misoperation which are easily mistaken as trouble If the trouble cannot be remedied after taking the prescribed action contact the place of purchase or E...

Страница 44: ...ent temperature changes more than 5 C hr Stabilize ambient temperature and resume testing Temperature humidity is unstable High heat load equipment is being turned ON OFF Reduce the heat load Settings...

Страница 45: ...section 5 1 2 Specimens are generating heat Reduce the amount of heat generated by specimens Ambient temperature too low high Raise lower ambient temperature Temperature rises lowers too slowly Circu...

Страница 46: ...ing controller power off does not make the chamber safe to open the electrical box or breaker access area The only safe method of access is to first unplug the chamber from the power receptacle 2 Open...

Страница 47: ...chamber lamp bulb It will break if dropped or struck against hard objects Procedure 1 Unplug chamber from the power source 2 Remove the glass shield protecting the light bulb 3 Replace the bulb with...

Страница 48: ...Criterion Series Benchtop User s Manual 45 8 Appendix 8 1 Specifications...

Страница 49: ...Heating Average Rate Cooling Averge Rate 20 C 0 C BTL 433 500 W 500 W 1 3 h p 1 5 C min 1 5 C min 275 watts 190 watts 1 5 Air Circulation 4 0 cu ft chamber 200 cu ft min 1 6 Humidity Range 10 95 with...

Страница 50: ...ad Current Model 115 V 1 ph 60 Hz 3 wire grounding BTL 433 16 3 3 Refrigeration Cooling 3 3 2 Air Cooled Integral Noise level measured 1 meter from front and at mid point of door 3 4 Gravity Drain 3 8...

Страница 51: ...IEC 60068 3 5 except measured in supply air 2 per IEC 60068 3 6 1 5 Air Circulation 1 5 cu ft chamber 100 cu ft min 4 0 cu ft chamber 200 cu ft min 2 Dimensions 2 1 Exterior Model Dimensions W x D x...

Страница 52: ...TH AMERICA INC 5 10 99 Rev 1 01 EFD 0504A Model Heat Rejection to Ambient Noise Level BTZ 133 2000 BTU Hr 65 dBA BTZ 175 3000 BTU Hr 65 dBA BTZ 475 3000 BTU Hr 65 dBA Noise level measured 1 meter from...

Страница 53: ...rms on an object if its temperature is below the dew point determined by air temperature and humidity For example the dew point for an air temperature of 85 C and a humidity of 85 RH is 81 C Dry Bulb...

Страница 54: ...imens Power Supply Control Terminal A terminal to charge specimens which is interlocked with the chamber power circuit so that power to specimens is shut OFF in the event of chamber trouble Temperatur...

Страница 55: ...erence in temperature between the highest and lowest temperature within the working space after stabilization Test Chamber A contained ambient constructed so as to obtained a desired temperature and h...

Страница 56: ...Criterion Series Benchtop User s Manual 49...

Страница 57: ...ecorder chart or test data if available Upon receipt of this information the Customer Support Department will arrange for appropriate service Certain types of service during the warranty period will r...

Страница 58: ...t the highest rate permitted by law Buyer shall repay ESPEC all attorney s fees ESPEC incurs collecting late payments or unpaid accounts LIMITED WARRANTY A limited warranty is given by ESPEC to the or...

Страница 59: ...spect to the goods to be sold will pass to the Buyer at ESPEC s plant upon the delivery of the goods alongside the designated carrier and all shipping costs losses liabilities and damages and all insu...

Страница 60: ...oller Instruction Manual Original 1 00 July 9 2009 Edited and Published by Rev 1 01 July 20 2009 Rev 1 02 October 2 2009 Rev 1 03 December 8 2009 ESPEC North America 4141 Central Parkway Hudsonville M...

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