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TestEquity TEC1 Thermoelectric Temperature

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1. Cool Down Time Start Tempto gt 55 C 37C 23 C 15 C 10 C A wee 7 min 16 min 26 min Ultimate 423 ee meee 7 min Ultimate Heat Up Time Start Tempto gt 23 C 37C 55C 60 C 423 C 3 5 min 10 min Ultimate 15 C 2 0 min 5 min 11 min Ultimate Note Heat and cool transition times are measured in an empty chamber after a 30 minute soak at the start temperature as indicated on the temperature controller Transition times do not include the effect of proportional band when approaching the temperature set point Live Load Rating 37 C 23 C 15 C 10 C 90 Watts 50 Watts 35 Watts 20 Watts Power Requirements Input Voltage 88 to 132V AC 176 to 264V AC 50 60 Hz internal switch for voltage range NOTE Model TEC1 001 is rated for 115 V nominal input only Current Draw 6A at 115 VAC 3 5A at 230 VAC Workspace Dimensions 16 Wx8 Hx 13 D 0 96 cubic feet Outside Dimensions 24 7 W x 12 H x 20 4 D nominal Min Installed Clearance 4 from the rear Cable Notch 1 x 3 Cable Notch on left and right side two total Weight 52 pounds Sound Level Less than 50 dBA A weighted measured 36 from the front surface in a free standing environment NOTE Performance is typical and based on operation at 23 C 73 F ambient and nominal input voltage This product is designed for use in a normal conditioned laboratory Operation at higher ambient temperatures will result in decreased cooling performance Operatio
2. EZ Zone PM User s Manual Only the capabilities of a model PM6RICC 2AAAAAA as described on page 112 of the EZ Zone PM User s Manual are applicable Page 4 4 TestEquity TEC1 Thermoelectric Temperature Chamber Chapter 4 Temperature Controller Operations Page The Operations Page provides access to menus for control tuning PID and controller alarms Operations page access from Home Page Press both the Up and Down Q keys for three seconds will appear in the upper display and will appear in the lower display N CAUTION The EZ Zone Temperature Controller Alarm function is NOT used in the chamber and is NOT connected N CAUTION The EZ Zone Temperature Controller PID values have been properly configured by TestEquity to match the chamber s system requirements and to perform optimally over a wide range of operating conditions Improper modifications to these values can result in erratic performance and unreliable operation Do not attempt to modify the PID values unless you thoroughly understand what you are doing If there is any doubt please call TestEquity before proceeding The correct values are documented in the EZ Zone Temperature Controller Setup Parameters section of this manual Setup Page The Setup Page provides access to menus for configuring the controller hardware Setup Page access from Home Page Press both the Up and Down Q keys for six seconds will appear in the upper display and will
3. Reattach the right side panel ensuring that no wires are pinched Plug the chamber into the power source Turn the POWER switch ON On the Temperature Controller enter the Setup Menu Global Menu Change the AC Line Frequency AC FL prompt to either 50 or 60 Hz as appropriate See EZ Zone Temperature Controller Setup Parameters in Chapter 7 for instructions on how to navigate to this menu E Page 2 2 TestEquity TEC1 Thermoelectric Temperature Chamber Chapter 3 Operation Chapter 3 Operation Introduction The Front Panel Switches control power to the Temperature Controller and all chamber functions The Temperature Controller controls the temperature of the chamber The chamber automatically heats or cools as required based on the deviation from temperature set point and according to the PID tuning values Summary of Chamber Operation Turn the POWER Switch ON Enter the desired temperature set point on the Temperature Controller Load your test sample in the chamber and close the door Turn the TEMP Switch ON When you are completed with your test turn the TEMP Switch OFF to ensure the longest possible life for the fans while reducing power consumption and audible noise You may also turn the POWER Switch OFF ER pps tes Front Panel Switches POWER Switch The POWER Switch controls power to the entire chamber TEMP Switch The TEMP Switch enables all chamber functions When the POWER Switch is ON and t
4. OF USE IN SERVICE OR REPAIR OR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THE EQUIPMENT EXCEPT AS STATED IN THIS PARAGRAPH This limited warranty cannot be modified in any way except in writing by both TestEquity and Purchaser Invalidation of any one or more of the provisions of this limited warranty shall in no way affect any of the other provisions hereof which remain in full force and effect This limited warranty shall be extended only to the first Purchaser of this Equipment and is not transferable TestEquity TEC1 Thermoelectric Temperature Chamber Page 8 1 Chapter 10 Drawings Chapter 9 Drawing TestEquity TEC1 Thermoelectric Temperature Chamber Page 9 1
5. appear in the lower display N CAUTION The EZ Zone Temperature Controller setup values have been properly configured by TestEquity to match the chamber s system requirements and to perform optimally over a wide range of operating conditions Improper modifications to these values can result in erratic performance and unreliable operation Do not attempt to modify the setup values unless you thoroughly understand what you are doing If there is any doubt please call TestEquity before proceeding The correct values are documented in the EZ Zone Temperature Controller Setup Parameters section of this manual Factory Page The Factory Page provides access to menus for controller diagnostics and calibration Factory Page access from Home Page Press both the Advance O and Infinity keys for six seconds N CAUTION NEVER select Factory Default in the Diagnostic Menu Factory Defaults are NOT the TestEquity configuration parameters for this chamber If you select Factory Defaults you must reconfigure all System and Operation Parameters as documented in the TestEquity manual NOT the EZ Zone PM User s Manual TestEquity TEC1 Thermoelectric Temperature Chamber Page 4 5 Chapter 4 Temperature Controller Computer Interface N CAUTION Every setting in the EZ Zone Controller can be accessed via the computer interface Improper modifications to configuration settings can result in erratic performance and unreliable ope
6. devices do not exceed the live load rating of the chamber Live Load Rating Temp 37 C 23 C 15 C 10 C Watts 90 W 50 W 35 W 20 W Page 3 2 TestEquity TEC1 Thermoelectric Temperature Chamber Chapter 3 Operation Performance Considerations The performance of all chambers is significantly affected by the characteristics of your test sample Factors include size weight material shape and power dissipation if energized The test sample should be placed in the chamber in a manner that allows for air circulation Multiple test samples should be distributed throughout the chamber to ensure even airflow and minimize temperature gradients Verify that the temperature gradients are within acceptable limits by measuring the chamber temperature at strategic points using a multipoint thermocouple meter or data logger You may find that the temperature is different from what the temperature controller indicates at a particular temperature The correct way to adjust what the temperature controller displays compared to what is measured at some point other than the controller s sensor is with the Calibration Offset parameter See page 56 of the EZ Zone PM User s Manual for details Internal Test Fixtures Some applications require internal fixtures to support test samples and provide a convenient method of connecting wires and sensors Fixtures must be designed to minimize their impact on chamber functionality and performance Fix
7. for repair freight prepaid On site labor warranty does not apply to Model TECI During the SECOND and THIRD YEAR of the warranty period Purchaser will be responsible for the installation and cost of installation of replacement or repaired parts Purchaser shall notify TestEquity in writing of any alleged defect within 10 days after its discovery within the warranty period This limited warranty does not cover 1 Defects or damages arising as the result of shipment by common carriers or private transportation unless TestEquity undertakes shipment and transportation of the Equipment to Purchaser s site or contractually assumes the risk of damage to the Equipment in shipment 2 Defects or damages arising out of or as the result of mishandling modification or improper start up installation or maintenance of the Equipment including start up installation or maintenance not in accordance with TestEquity s written procedures 3 Defects or damages resulting from or arising out of abuse misuse neglect intentional damage accident fire flood earthquake or any other act of God This warranty as to Equipment is LIMITED to repair or replacement of parts or Equipment in the determination of TestEquity LLC THE FORGOING LIMITED WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES INCLUDING THE IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY TestEquity LLC DISCLAIMS ANY LIABILITY FOR ANY DAMAGES RESULTING FROM DELAY OR LOSS
8. 2 0 C Setup Menu Communications Menu Communications 1 Parameter Prompt Value Address Standard Bus Ad s 1 Temperature Units C_F C Setup Menu Communications Menu Communications 2 Parameter Prompt Value Address Modbus Ad M 1 Baud Rate Modbus bAUd 9600 Parity Modbus PAr none Temperature Units C_F C Modbus Word Order M hl Low High TestEquity TEC1 Thermoelectric Temperature Chamber Page 7 9 Chapter 7 Maintenance EZ Zone Custom Menu Parameters Factory Page access from Home Page Press both the Advance O and Infinity keys for six seconds Factory Page Custom Menu Parameter Prompt Value Custom 1 AC Pu Active Process Value Custom 2 AC SP Active Set Point Custom 3 h Pr Heat Power Custom 4 C Pr Cool Power Custom 5 AUt Autotune Custom 6 idle Idle Set Point Custom 7 P Str Profile Start Custom 8 P ACr Profile Action Request Custom 9 to 20 nonE none EZ Zone Operations Page Parameters Operations page access from Home Page Press both the Up and Down Q keys for three seconds will appear in the upper display and will appear in the lower display Operations Page Analog Input 1 Parameter Prompt Value Process Value Ain current temperature Error Status LEr current status Calibration Offset 1 CA 0 0 C offset as required to meet accuracy spec Operations Page Loop Menu Parameter Prompt Value Control Mode C M Auto Autotune Set Point A tSP 90 0 96 Autotune Request AUt no Closed Loop Set
9. 30A DC Crouzet 84 134 870 SSR1 2 3 4 222300 4 ea Switch SPST Rocker Carlingswitch LRA211 RA B 125N SW1 2 200023 2 ea Temperature Controller Watlow PM6RICC 2AAAAABR TCR1 222304 1 ea Temperature Sensor RTD CUSTOM 222306 RTD 222306 1 ea Thermoelectric Module with fans CUSTOM 222307 TE1 2 3 222307 3 ea General Replaceable Parts Description Mfr Mfr Part No Ref Part Qty UOM Cable Slot Gasket CUSTOM CUSTOM 382352 2 ea Door Handle Southco P2 51 382354 1 ea Magnetic Catch Sugatsune MC JM50 382350 1 ea Magnetic Catch Striker Sugatsune MC JM49 382351 1 ea Static Dissipative Sheet CUSTOM 382355 382355 1 ea TEC1 001 only Page 7 6 TestEquity TEC1 Thermoelectric Temperature Chamber Chapter 7 Maintenance EZ Zone Temperature Controller Setup Parameters N CAUTION The EZ Zone PM User s Manual is a general manual and is written by the manufacturer Watlow for a wide variety of applications and configurations Not all features or functions are applicable Only the capabilities of a model PM6RICC 2AAAAAA as described on page 112 of the EZ Zone PM User s Manual are applicable The Retransmit function is available as an option N CAUTION The EZ Zone Temperature Controller has been properly configured by TestEquity to match the chamber s system requirements and to perform optimally over a wide range of operating condit
10. 4 6 RIA RE 4 6 GPIB optional eis RC 22 22 RR iin Dielen ists e elei ote a tote diit 4 6 Ethernet optional te ode Pee tete I ia 4 6 GPIB and Ethernet Programming esessesseseeseeeeee nennen retener enne tnne tnnt tenete entree tren trennen eene enne 4 7 Chapter 5 Frequently Asked Questi0Ns ooooomssss D L Chapter 6 Specifications e Yd L Model TEC1 Chamber Specifications 6 1 Table of Contents Chapter 7 Maintenance usage Preventive Maintenance Schedule 7 1 Daly or AS Ned ertt eme eR E REN E EHI Ene ee este peor ett ie legame RENS 7 1 Every 6 Months 2 s0 E 7 1 Ey ry 12 ETE 7 1 How to clean the chamber interior and exterior oooooccnnocococnconanconcnononnnnnn cono nononn noo nennen enne en nnne en nennen 7 1 How to verify the chamber performante ensi iiien iri rE E E E T EA e 7 2 How to verify the calibration iere eter ee net ie iii 7 3 Theory of Operation 7 4 Thermoelectric Cooling and Heating iii ici eee reu partes 7 4 Temperature Control innen teer e ee Henne estesa tete etie ter pres 7 4 Troubleshooting 7 5 Recommended Spare Parts 7 6 Major Electrical Parts 7 6 General Replaceable Parts 7 6 EZ Zone Temperature Controller Setup Parameters 7 7 EZ Zone Setup Menu Parameters enira He a a des eiie iei ene ee nde 7 8 EZ Zone Custom Menu Parameters eese e eee eee eene einn tenerae ea neto en
11. Point C SP 23 0 C Idle Set Point id S 23 0 C Heat Proportional Band h Pb 7 0 Cool Proportional Band C Pb 4 0 Time Integral ti 180 Time Derivative td 30 Dead Band db 0 0 Open Loop Set Point 0 SP 0 0 Page 7 10 TestEquity TEC1 Thermoelectric Temperature Chamber Chapter 8 Warrant Chapter 8 Warranty TestEquity LLC Limited Warranty for Model TEC1 TestEquity LLC TestEquity warrants the Model TECI to be free from defects in materials and workmanship under normal use and proper maintenance TestEquity will repair or replace any defective part for a period of THREE YEARS from the date of invoice TestEquity reserves the right to require any defective part be returned freight prepaid to TestEquity s factory or to inspect any defective part at the Purchaser s site TestEquity shall have sole discretion to determine whether any part is defective and whether any defective part will be repaired or replaced This limited warranty shall extend to any standard chamber accessory and component part which is normally sold by TestEquity Non standard accessories and component parts specified by the Purchaser shall be warranted only to the extent of the original manufacturer s warranty if any exists If the repair or replacement is performed in the FIRST YEAR from the date of invoice TestEquity will also pay for the labor associated with the repair subject to TestEquity s prior approval The chamber must be sent back to TestEquity
12. TESTEQUITY Model TEC1 Thermoelectric Temperature Chamber Operation and Service Manual TestEquity LLC 6100 Condor Drive Moorpark CA 93021 Support 877 512 3457 Toll Free 805 480 0636 Corporate 800 732 3457 805 498 9933 http www testequity com Copyright 2010 TestEquity LLC Rev 1 2 11 01 2010 Table of Contents Chapter 1 Safety Instructi ns senken een LAL Introduction 1 1 Installation Safety Notices 1 1 Operation Safety Notices 1 1 Chapter 2 TInscallatiOn aut ee Unpacking 2 1 Preparation For Use 2 1 Installation Location 2 1 Condensate Drain 2 2 Input Voltage Configuration 2 2 Chapter 3 Operation a sank SOR GNI DUE nto pe taeda aient Introduction 3 1 Summary of Chamber Operation 3 1 Front Panel Switches 3 1 POWER Wide kata I Ms 3 1 TEMP Wicho 3 1 Convenience Outlet 3 1 Loading the Chamber 3 2 Performance Considerations sserrep sesos tr ian oae E EA EE E ESE IE EE ET Ei tS 3 3 Internal Test BIX UFeSs err terr abe E eripere era ee rieiS 3 3 Chapter 4 Temperature Controller oooocooooss Il Introduction 4 1 Temperature Controller Keys and Displays 4 2 Home Page 4 3 Home P ge Par meters sn elle rar et e eene eof edidit die eet EH 4 3 Temperature Set Point Control co 1S T re t e e tet esee o teet iege 4 3 Profile Programming 4 4 Operations Page 4 5 Setup Page 4 5 Factory Page 4 5 Computer Interface
13. The WF command writes the num value in floating point format to two consecutive registers starting with the low word register To enter a temperature setpoint WF 2160 50 writes 50 0 C to registers 2160 and 2161 WF 2160 15 5 writes 15 5 C to registers 2160 and 2161 Floating Point Read The RF query reads a 32 bit floating point value from two sequential register in low word upper word order The RF does not require the number of register to read since it is fixed at two registers To read the actual chamber temperature RF 360 reads registers 360 and 361 The is an optional symbol for smart programs like ICS s GPIBKybd program These programs can recognize the command as a query and automatically read the response Setting Modbus Device Timeouts The time that the 4899A 8099 waits to receive a response from the Modbus device is programmable by the D command This is an internal 4899A 8099 timeout and not the same as the GPIB bus timeout If the 4899A 8099 does not receive a response within the timeout period it assumes that the Modbus device is not responding and sets the timeout error Timeout errors can be determined by reading the 4899 A 8099 s Modbus Error Register with the E query If the error code is 101 Modbus timeout then the timeout period should be lengthened The command to change the timeout period is D 300 sets timeout period to 300 ms SAV 0 saves current values and configuration do this if you wan
14. a Pone serene nepote reno 7 10 EZ Zone Operations Page Parameters eet da e UR Ee eei eR abheben 7 10 Chapter Warranty ores I DR OD PEERS OR PARERE P coun NERO Qao muni x Chapter 9 Drawith me d Chapter 1 Safety Chapter 1 Safety Instructions Introduction Follow all CAUTION notices to prevent damage to the chamber or your test sample Failure to follow all CAUTION notices may void your warranty CAUTION may also indicate a potentially hazardous situation which if not avoided may result in minor or moderate personal injury WARNING indicates a potentially hazardous situation which if not avoided could result in death or serious injury The safety alert symbol A precedes a general CAUTION or WARNING statement The electrical hazard symbol A precedes an electric shock hazard CAUTION or WARNING statement Installation Safety Notices A WARNING The power cord is equipped with a grounded polarized plug To prevent a shock hazard DO NOT defeat the ground or polarization feature This device MUST be plugged into a properly grounded and polarized outlet N CAUTION This chamber is designed for operation in a conditioned laboratory environment Operation above 27 C 80 F will have a significant impact on low temperature operation N CAUTION For optimum performance there should be a minimum of 4 inch clearance between the fans on the back of t
15. appears in the upper Communications Activity Light Flashes when display another device is communicating with the controller EZ Key Infinity Key Advance Key Up and Down Keys O Y This key can be programmed Pressto back up one Advances through In the Home Page adjusts the to do various tasks such as level or press and parameter prompts temperature set point In other starting a profile or toggling to hold for two seconds pages changes the parameter a preset set point Ships from to return to the Home value or changes a parameter TestEquity as being disabled Page selection Temperature Controller Keys and Displays To navigate through the menus e Home Page from anywhere Press the Infinity Key for two seconds to return to the home page e Profiling Page from Home Page Press the Advance Key for three seconds e Operations page from Home Page Press both the Up and Down Q keys for three seconds e Setup Page from Home Page Press both the Up and Down Q keys for six seconds e Factory Page from Home Page Press both the Advance and Infinity keys for six seconds Page 4 2 TestEquity TEC1 Thermoelectric Temperature Chamber Chapter 4 Temperature Controller Home Page Use the Advance Key to step through the Home Page parameters The parameter prompt will appear in the lower display and the parameter value will appear in the upper display You can use the Up amp and Down Q keys to c
16. ays compared to what is measured at some point other than the controller s sensor is with the Calibration Offset parameter See page 28 and 29 of the EZ Zone PM User s Manual for details Total chamber accuracy including the effects of controller accuracy sensor accuracy and gradients is 2 0 C This is the indication on temperature controller compared to measurement in the center of the chamber in the range of 15 C to 55 C after 30 minute stabilization at set point Actual measurements may typically be the following Controller Standard Error 55 0 C 53 5 C 1 5 C 37 0 C 36 0 C 1 0 C 23 0 C 23 1 C 0 1 C 15 0 C 15 5 C 0 5 C These would be considered as being within the specification limit of 2 0 C TestEquity typically enters a Calibration Offset value of 0 5 C to 1 5 C in order to achieve the results above If calibration of the temperature controller is necessary refer to page 56 of the EZ Zone PM User s Manual and follow the instructions for RTD Input TestEquity TEC1 Thermoelectric Temperature Chamber Page 7 3 Chapter 7 Maintenance Theory of Operation Thermoelectric Cooling and Heating Air to air exchangers utilize the Peltier effect whereby the heat is transferred via the flow of current through thermoelectric modules One part absorbs the heat and as a consequence reduces the temperature cold side and the other part dissipates the heat to ambient hot side Fans are us
17. e Ac Pu and Bc SP only show up in the Custom Menu configuration Page They are the parameters that normally show when the chamber is powered ON Temperature Set Point Control You can change the temperature set point by using the Up and Down Q when a profile is not running and you are in the Home Page The new set point is entered within three seconds after a new value is set TestEquity TEC1 Thermoelectric Temperature Chamber Page 4 3 Chapter 4 Temperature Controller Profile Programming The EZ Zone Temperature Controller can be programmed to store up to 40 total steps into as many as 4 profiles You do not need a computer to enter a profile it can be easily done through the controller s front panel keys A Profile is a set of instructions programmed as a sequence of steps The controller handles the profile steps automatically in sequence Refer to Chapter 7 of the EZ Zone PM User s Manual for detailed instructions on using the Profile function To enter the Profiling Page from Home Page Press the Advance Key for three seconds until appears in the lower display NOTES TestEquity recommends having the End step type to be Hold or User TestEquity does NOT recommend using an end step type of Off This does not turn off the chamber fans and the temperature will be uncontrolled Input events and output events are not included in the controller supplied with the TECI chamber Ignore any mention of them in the
18. ed to move air over heat sinks attached to both the hot and cold sides of the thermoelectric modules If the polarity is reversed the hot and cold sides are also reversed There are no moving mechanical parts except fans so thermoelectric air to air exchangers are extremely reliable with an almost unlimited life span and require no maintenance except possible fan replacement A thermoelectric air to air exchanger does not contain any polluting substances such as CFC or other gases has a more compact and simple structure than a conventional refrigeration system Temperature Control Refer to the electrical schematic to identify the items referenced below Three thermoelectric modules TEI 2 3 provide cooling and heating The air is circulated by a fan which is mounted to each thermoelectric module A DC power supply PS1 provides 12 VDC to power the fans and thermoelectric modules A temperature controller TCR1 measures the air temperature using at RTD temperature sensor RTD and cycles an array of solid state relays on off as required to modulate DC power to the thermoelectric modules The solid state relays are arranged in an H bridge configuration to provide switching with polarity reversal for cooling and heating When cooling is required TCR1 output 2 cool turns on This energizes SSR1 and SSR2 This applies power to TEI 2 3 with on the red wires and on the black wires When heating is required TCR1 output 1 heat tu
19. er damage until the cause of the problem is determined and resolved Use the Up and Down arrow keys to enter the specified temperature in the lower display Read the actual chamber temperature on the upper display The chamber interior should be empty and at ambient temperature approximately 23 C Plug the chamber into an AC outlet which matches the input power configuration Turn the POWER Switch ON and the TEMP Switch OFF Set the Temperature Controller Set Point to 55 0 C and turn the TEMP Switch ON The Temperature Controller s 1 light should be ON continuously and the Controller s 2 light should be OFF The chamber should begin to heat up within approximately 20 seconds CU qe uu opor us 6 The Temperature Controller should begin controlling 1 light cycles ON OFF at approximately 47 C within approximately 6 minutes 7 The chamber temperature should slowly increase and stabilize to 55 0 C It should NOT overshoot beyond 56 5 C 8 Let the chamber stay at this condition for 30 minutes 9 After stabilization the display should vary no more than 0 1 C or a total of 0 2 C 10 Set the Temperature Controller Set Point to 10 0 C 11 The Temperature Controller s 2 light should be ON continuously and the Controller s 1 light should be OFF After about 30 seconds the chamber should begin to cool down 12 The chamber should cool down from 55 0 C to 15 0 C within approximately 26 minutes 13 The chamber should continue to c
20. ge 2 1 Chapter 2 Installation Condensate Drain Any time the ambient air is subjected to temperatures below the dew point moisture will condense out of the air Example 1 If the room temperature is 23 C 74 F and the humidity is 245 RH moisture will condense if the chamber is held at 10 C 51 F Example 2 If the room temperature is 23 C 74 F and the room humidity is gt 59 RH moisture will condense if the chamber is held at 15 C 58 F The condensate drain connection is located on the rear of the chamber The chamber drain water is not under pressure and is fed by gravity Therefore it must empty into a container The drain fitting accommodates a 3 8 inch ID hose Under most controlled laboratory or office conditions there will be no condensation and the Condensate Drain can be ignored Input Voltage Configuration Does not apply to model TEC1 001 which is only rated for 115V input This chamber can be configured for 115V 88 to 132V AC or 230 V 176 to 264V AC 50 60 Hz input The chamber ships pre configured for the correct input voltage based on the county it ships to To change the input voltage use the following procedure 1 Make sure the chamber is NOT plugged into the power source 2 Remove the 6 screws on the perimeter of the right side panel Locate the red voltage selection switch on the DC power supply on the side which normally faces up Select either 115 V or 230 V as applicable
21. hange the value of read write parameters just as you would in any other menu The chamber temperature read only is in the upper display and the temperature Set Point read write is in the lower display If a profile is running the chamber temperature is in the upper display and the Target Set Point read only is in the lower display Home Page Parameters The Home Page is a customized list of as many as 20 parameters that can be configured and changed in the Custom Menu Factory Page The home page has been configured by TestEquity to display only the following parameters Prompt Value Description AcPu Active Process Value Actual chamber temperature upper display AcSP Active Set Point Temperature Set Point lower display hPri Heat Power The percentage of heat throttle CPr 1 Cool Power The percentage of heat throttle AUE Autotune Autotune yes or no While Autotune is active the Home Page will display REEA EUn 1 When the Autotune is complete the message will clear automatically Idle Set Point Set a temperature Set Point that can be triggered by an event state such as pressing the EZ Key if configured in the Function Key Menu Digital Input Function parameter PSE I Profile Start Select a profile or step number that will be affected by Profile Action PAC Profile Action Request Select the action to apply to the profile 1 to 4 or step selected in Profile Start Not
22. he TEMP Switch is OFF only the Temperature Controller is operational When both the POWER and TEMP Switches are ON the chamber fans will turn on and the temperature conditioning system will function to maintain the temperature set point Convenience Outlet Applies to model TEC1 001 only The rear panel has a convenience outlet It is provided for the AC power adapter for the GPIB or Ethernet interface converter only The power is unswitched and is the same voltage as the outlet that the chamber is plugged into Thus the TEC1 001 is rated for 115 V input only TestEquity TEC1 Thermoelectric Temperature Chamber Page 3 1 Chapter 3 Operation Loading the Chamber N WARNING DoNOT put items in the chamber that can emit corrosive vapors or substances N WARNING This chamber is NOT a curing oven There are NO provisions for venting fumes N WARNING The chamber door must remain closed while the chamber is operating If you need to open the door while the chamber is operating wear safety goggles to prevent the high velocity airflow from blowing particles or objects into your eyes N CAUTION If your test sample is energized it may be capable of raising the workspace temperature beyond safe limits This could occur if your test sample exceeds the live load rating of the chamber or if the chamber s cooling system fails N CAUTION To prevent damage to your test sample and the chamber s thermoelectric
23. he chamber and a wall Operation of the chamber directly against a wall will result in 25 less cooling capacity Operation Safety Notices N CAUTION The EZ Zone PM User s Manual is a general manual and is written by the manufacturer Watlow for a wide variety of applications and configurations Not all features or functions are applicable Only the capabilities of a model PM6RICC 2AAAAAA as described on page 112 of the EZ Zone PM User s Manual are applicable N CAUTION The EZ Zone Temperature Controller has been properly configured by TestEquity to match the chamber s system requirements and to perform optimally over a wide range of operating conditions Improper modifications to these setup values can result in erratic performance and unreliable operation Do not attempt to modify the setup values unless you thoroughly understand what you are doing If there is any doubt please call TestEquity before proceeding TestEquity TEC1 Thermoelectric Temperature Chamber Page 1 1 Chapter 1 Safety N CAUTION NEVER select Factory Default in the Diagnostic Menu Factory Defaults are NOT the TestEquity configuration parameters for this chamber If you select Factory Defaults you must reconfigure all System and Operation Parameters as documented in the TestEquity manual NOT the EZ Zone PM User s Manual N CAUTION The EZ Zone Temperature Controller Alarm function is NOT used in the chamber and is NOT con
24. in erratic performance and unreliable operation Do not attempt to modify the setup values unless you thoroughly understand what you are doing If there is any doubt please call TestEquity before proceeding N CAUTION NEVER select Factory Default in the Diagnostic Menu Factory Defaults are NOT the TestEquity configuration parameters for this chamber If you select Factory Defaults you must reconfigure all System and Operation Parameters as documented in the TestEquity manual NOT the EZ Zone PM User s Manual N CAUTION The EZ Zone Temperature Controller Alarm function is NOT used in the chamber and is NOT connected TestEquity TEC1 Thermoelectric Temperature Chamber Page 4 1 Chapter 4 Temperature Controller Temperature Controller Keys and Displays Temperature Units Indicators Indicates whether the temperature is displayed in Fahrenheit or Celsius Output Indicator Lights 1 Heat 2 Cool WATLOW EZ ZOINE Upper Display In the Home Page displays the chamber Percent Units temperature Otherwise Indicator displays the value of the Lights when the parameter in the lower controller is display displaying values as a percentage Zone Display Profile Activity Lights when a profile is running Flashes when a profile is paused Indicates the controller serial communications address Lower Display Indicates the temperature set point or the parameter whose value
25. ions Improper modifications to these setup values can result in erratic performance and unreliable operation Do not attempt to modify the setup values unless you thoroughly understand what you are doing If there is any doubt please call TestEquity before proceeding N CAUTION The EZ Zone Temperature Controller Alarm function is NOT used in the chamber and is NOT connected N CAUTION NEVER select Factory Default in the Diagnostic Menu Factory Defaults are NOT the TestEquity configuration parameters for this chamber If you select Factory Defaults you must reconfigure all System and Operation Parameters as documented in the TestEquity manual NOT the EZ Zone PM User s Manual TestEquity has configured the Temperature Controller with the parameters as documented on the following pages These parameters have been saved in User Save Set 1 and User Save Set 2 which is accessible from the Diagnostics Menu TestEquity TEC1 Thermoelectric Temperature Chamber Page 7 7 Chapter 7 Maintenance EZ Zone Setup Menu Parameters Setup Page access from Home Page Press both the Up and Down Q keys for six seconds will appear in the upper display and will appear in the lower display Setup Menu Analog Input MenuMnputl Parameter Prompt Value Sensor Type SEn r0 1H RTD 100 Q RTD Leads rt L 3 Filter Time FiL 0 5 Error Latching 1 ER oFF Decimal dEC 0 0 Setup Menu Loop Menu Parameter Prompt Value Heat Alg
26. k of the chamber Under what conditions do I need to be concerned about condensation Any time the ambient air is subjected to temperatures below the dew point moisture will condense out of the air For example if the room temperature is 23 C 74 F and the room humidity is gt 45 RH moisture will condense if the chamber is held at 10 C 51 F If the room temperature is 23 C 74 F and the room humidity is gt 59 RH moisture will condense if the chamber is held at 15 C 58 F The condensate drain is provided to remove condensate from the chamber Under most controlled laboratory or office conditions there will be no condensation My test specification requires convection heat only Can I turn the circulator motors off NO This will damage the thermoelectric devices and void the warranty You need a gravity convection oven for that kind of test TestEquity TEC1 Thermoelectric Temperature Chamber Page 5 1 Chapter 6 Specifications Chapter 6 Specifications Model TEC1 Chamber Specifications Temperature Range 10 C to 60 C Control Tolerance 0 1 C Measured at the control sensor after stabilization Uniformity 1 0 C Variations throughout the chamber after stabilization at least 2 inches from any inside surface System Accuracy 2 0 C Indication on temperature controller compared to measurement in the center of the chamber in the range of 15 C to 55 C after 30 minute stabilization at set point
27. n above 27 C 80 F will have a significant impact on low temperature operation TestEquity TEC1 Thermoelectric Temperature Chamber Page 6 1 Chapter 7 Maintenance Chapter 7 Maintenance Preventive Maintenance Schedule Daily or As Needed e Clean chamber interior and exterior e Listen for abnormal noise or vibration Every 6 Months e Verify the chamber performance Every 12 Months e Verify the calibration How to clean the chamber interior and exterior e Wipe or vacuum out all debris e Clean surfaces with a damp cloth mild detergent or stainless steel cleaner Avoid cleaners that are abrasive or leave a residue NEVER use steel wool e Clean the exterior painted surfaces with a damp cloth or mild detergent If you are using a detergent test a small inconspicuous area to make sure it does not damage the finish TestEquity TEC1 Thermoelectric Temperature Chamber Page 7 1 Chapter 7 Maintenance How to verify the chamber performance These tests verify the performance of the heating cooling electrical controls temperature controller and air circulation systems The chamber should meet all published performance specifications if all of these tests are successfully passed These tests assume that the Temperature Controller s setup and tuning values have not been changed from the values as shipped from TestEquity If the chamber fails any of these tests it should be removed from service to prevent furth
28. nected N WARNING DoNOT put items in the chamber that can emit corrosive vapors or substances N WARNING This chamber is NOT a curing oven There are NO provisions for venting fumes N WARNING The chamber door must remain closed while the chamber is operating If you need to open the door while the chamber is operating wear safety goggles to prevent the high velocity airflow from blowing particles or objects into your eyes N CAUTION If your test sample is energized it may be capable of raising the workspace temperature beyond safe limits This could occur if your test sample exceeds the live load rating of the chamber or if the chamber s cooling system fails You are responsible for providing thermal protection devices to your test sample CAUTION To prevent damage to your test sample and the thermoelectric devices do not exceed the live load rating of the chamber Live Load Rating Temp 37 C 23 C 15 C 10 C Watts 90 W 50 W 35 W 20 W Page 1 2 TestEquity TEC1 Thermoelectric Temperature Chamber Chapter 2 Installation Chapter 2 Installation Unpacking Inspect the shipping container for any signs of visible damage Notify the carrier and TestEquity immediately if there are signs of shipping damage 1 Cut the bands that hold the packaging together 2 Remove the top cover and top foam inserts 3 4 Carefully lift the chamber out of the box This should be done by two
29. ool down to 10 0 C and begin controlling 2 light cycles ON OFF 14 After stabilization the display should vary no more than 0 1 C or a total of 0 2 C 15 Set the Temperature Controller Set Point to 23 C The chamber should begin to heat up 16 The Temperature Controller s 1 light should be ON continuously and the Controller s 2 light should be OFF 17 This concludes the chamber performance verification tests Page 7 2 TestEquity TEC1 Thermoelectric Temperature Chamber Chapter 7 Maintenance How to verify the calibration CAUTION TestEquity does not recommend performing the controller calibration procedures unless you have verified that the controller is actually out of calibration TestEquity recommends verifying the calibration before attempting to actually perform a calibration The microprocessor based instrumentation used in TestEquity chambers seldom goes out of calibration If you try to calibrate the instrumentation before determining that calibration is necessary you may make it worse if done incorrectly Variations in temperature throughout the chamber interior are NOT a measurement of controller accuracy These variations called gradients are a function of the physical design of the chamber and its airflow the characteristics of the test sample and how it is oriented in the chamber You cannot calibrate to improve gradients The correct way to adjust what the temperature controller displ
30. or temperature controller were changed TestEquity If tuning PID control parameters in a Control parameters may need to undershoot temperature controller are as shipped from be changed for your unique test TestEquity conditions b Try to Autotune at the temperature where you are observing the overshoot or undershoot TestEquity TEC1 Thermoelectric Temperature Chamber Page 7 5 Chapter 7 Maintenance Recommended Spare Parts Replacement parts are available from TestEquity Parts are generally in stock and ready for immediate shipment Next day delivery is always available If you cannot risk being out of service for even one day then you should purchase critical spare parts in advance The following is a list of the kinds of parts that you may want to purchase in advance Critical Spare Parts DC Power Supply Solid State Relay Switch Temperature Controller Thermoelectric Module Temperature Sensor RTD Part 222305 222300 200032 222304 222307 222306 Major Electrical Parts Description Mfr Mfr Part No Ref Part Qty UOM AC Input Connector Tyco Corcom 6ESRM 3 222301 1 ea AC Outlet NEMA 1 15R Qualtek 738W CX2 01 222303 1 ea TEC1 001 only DC Power Supply 12 VDC 24A Mean Well S 320 12 PS1 222305 1 ea Fan for electrical enclosure ebm Papst 3412N FMI 222302 1 ea Power Cord for USA Qualtek 562 312003 01 222309 1 ea Solid State Relay
31. orithm h Ag Pid Cool Algorithm C Ag Pid Cool Output Curve C Cr off Tru Tune Enable t tUn no Autotune Aggressiveness t AGr Crit Peltier Delay P dL 0 2 User Failure Action UFa oFF Input Error Failure FAiL oFF Manual Power MAn 0 0 Open Loop Detect Enable L dE no Ramp Action rP oFF Low Set Point L SP 9 0 C High Set Point h SP 61 0 C Set Point Low Open Loop SP Lo 100 0 Set Point High Open Loop SP hi 100 0 Setup Menu Output Menu Output 1 Parameter Prompt Value Function Fn hEAt Function Instance Fi 1 Control o Ct Ftb Time Base o tb 0 1 Low Power Scale o Lo 0 0 High Power Scale o hi 100 0 Setup Menu Output Menu Output 2 Parameter Prompt Value Function Fn CooL Function Instance Fi 1 Control o Ct Ftb Time Base o tb 0 1 Low Power Scale o Lo 0 0 High Power Scale o hi 100 0 Page 7 8 TestEquity TEC1 Thermoelectric Temperature Chamber Chapter 7 Maintenance Setup Menu Alarm Menu 1 to 4 Parameter Prompt Value Type A ty oFF Source Sr A Ai Hysteresis A hy 1 0 Logic A Lg AL C Sides A Sd both Latching A LA nLAT Blocking A bL oFF Silencing A Si oFF Display A dSP on Delay A dl 0 Setup Menu Function Key Menu Parameter Prompt Value Level LEv high Digital Input Function Fn nonE Instance Fi 0 Setup Menu Global Menu Parameter Prompt Value Display Units CF C AC Line Frequency AC FL 60 Ramping Type rtYP ti Profile Type P tyP StPt Guaranteed Soak Enable gSE on Guaranteed Soak Deviation gSdl
32. people since the unit Remove the outer box weighs 52 pounds Do NOT handle the chamber by the thermoelectric modules which protrude from the rear Preparation For Use A WARNING The power cord is equipped with a grounded polarized plug To prevent a BuU dq shock hazard DO NOT defeat the ground or polarization feature This device MUST be plugged into a properly grounded and polarized outlet Inspect the chamber for signs of shipping damage Read this entire manual Select a suitable location to place the chamber for use Plug the power cord to a 115 VAC 60 Hz power source or 230 V 50 Hz if configured for export use See Input Voltage Configuration on the next page Perform following the procedure How to verify the chamber performance in the Maintenance chapter of this manual to make sure that no damage has occurred in shipment Installation Location N CAUTION This chamber is designed for operation in a conditioned laboratory environment Operation above 27 C 80 F ambient room temperature will have a significant impact on the ability to reach low temperature and is NOT recommended N CAUTION For optimum performance there should be a minimum of 4 inch clearance between the fans on the back of the chamber and a wall Operation of the chamber directly against a wall will completely block airflow to the fans resulting in 25 less cooling capacity TestEquity TEC1 Thermoelectric Temperature Chamber Pa
33. ration The correct values are documented in the EZ Zone Temperature Controller Setup Parameters section of this manual RS 232C The EZ Zone Temperature Controller has an RS 232C interface A DB 9 connector is located on the rear panel It is wired to accommodate a null modem cable To communicate with the controller from a PC you need to run software that uses 32 bit Modbus RTU protocol Each controller function has a register number which can be read or written to when applicable These registers are listed Chapters 6 through 9 of the EZ Zone PM Controller Communications Manual RS 232C Modbus programming resources can be downloaded from http www testequity com ez GPIB optional The optional GPIB interface model TE 1052 consists of an external converter box ICS Model 4899A that connects to the chamber s RS 232C interface Ethernet optional The optional Ethernet interface model TE 1055 consists of an external converter box ICS Model 8099 that connects to the chamber s RS 232C interface Page 4 6 TestEquity TEC1 Thermoelectric Temperature Chamber Chapter 4 Temperature Controller GPIB and Ethernet Programming Floating Point Variables EZ Zone PM Series controllers use two consecutive register to control a value or to read back a process variable The two registers hold an IEEE 754 32 bit floating point word The registers are read and written to in the low word upper word order Floating Point Write
34. rns on This energizes SSR3 and SSR3 This applies power to TEI 2 3 with on the red wires and on the black wires Page 7 4 TestEquity TEC1 Thermoelectric Temperature Chamber Chapter 7 Maintenance Troubleshooting SYMPTOM CONDITION POSSIBLE CAUSES Chamber does not If POWER switch is ON and TEMP a DC power supply is configured function switch is ON Controller is lit up Fans are for 230 V but chamber plugged not running and doesn t heat or cool into 115 V b Defective DC power supply c Shorted Thermoelectric Module d Shorted fan Does not heat up at all If controller light 1 is ON fans are a Defective output 1 on running Temperature Controller b Defective SSR3 or SSR4 Heats up too slow If controller light 1 is ON fans are a One Thermoelectric Modules is running open b One ofthe fans is not running defective c Chamber interior is overloaded Does not cool at all If temperature controller light 2 is ON a Defective output 2 on fans are running Temperature Controller b Defective SSR1 or SSR2 Cools too slowly or does If temperature controller light 2 is ON a Chamber interior is overloaded not cool down to 10 C fans are running b Test sample is energized giving off excessive heat c Chamber is pushed up against a wall d Room temperature is over 27 C Temperature has If tuning PID control parameters in a Re enter values as shipped from excessive overshoot
35. t to keep the new value The default time period of 100 milliseconds has proved to be satisfactory for most applications The recommendation is that your program should have a built in recovery routine to handle the possibility of a timeout error More details on GPIB and Ethernet Interface See the ICS Electronics Manual for more details on the GPIB or Ethernet interfaces TestEquity TEC1 Thermoelectric Temperature Chamber Page 4 7 Chapter 5 Frequently Asked Questions Chapter 5 Frequently Asked Questions Why does my chamber heat or cool slower than the published specifications Performance is significantly affected by the characteristics of your test sample Factors include size weight material shape and power dissipation if energized The test sample should be placed in the chamber in a manner that allows for air circulation Multiple test samples should be distributed throughout the chamber to ensure even airflow and minimize temperature gradients If necessary an additional shelf should be used to evenly distribute the load You can determine if the chamber is operating properly by following the procedure in How to verify the chamber performance How can I modify the chamber to cool faster or colder Unfortunately there is nothing you can do to improve upon the designed in performance Modifying the chamber will permanently damage the chamber and void the warranty Why is there water coming out of the tube in the bac
36. tures should be designed for easy removal to permit maintenance and cleaning of the chamber Fixtures should be constructed of stainless steel This also applies to all screws and fasteners All welds should be passivated To prevent rust and corrosion never use iron or mild steel even if it is painted or plated Aluminum may be used However since the specific heat of aluminum is double that of steel it represents a greater load and will have more impact on the chamber performance Make sure that all connectors wiring pc boards and auxiliary components can withstand the temperature extremes that they will be subjected to In some cases these components may not be able to last after repeated tests and should be considered expendable TestEquity TEC1 Thermoelectric Temperature Chamber Page 3 3 Chapter 4 Temperature Controller Chapter 4 Temperature Controller Introduction The EZ Zone Temperature Controller can function as either a single set point controller static mode or as a programmable profile controller The user interface is organized into five pages of menus See the next page for a description of the controller keys and displays and how to navigate the menus N CAUTION The EZ Zone Temperature Controller has been properly configured by TestEquity to match the chamber s system requirements and to perform optimally over a wide range of operating conditions Improper modifications to these setup values can result

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