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Model 107 Temperature Chamber Operation and Service Manual

1. earlier in this chapter There are 7 Digital Outputs which can be selected as being On or Off in each step Digital Output 1 is named TEMP in the profile menu and can be used to turn the entire chamber on or off as long as the TEMP Switch is in the EVENT 1 position Digital Outputs 2 through 7 are named DIGIT OUT2 through 7 Not all choices are shown in this example Choose Step1 Type __ Autostart gt Ramp Time E Soak v Choose to wait __ gt Step does not wait Step waits for Choose DIGIT 0UT2 __ gt Off On Enter Ramp Time 00 00 01 H M S A Y Adjusts Digit lt gt Save Changes Enter Ch1 SP 85 0 C A Y Adjusts Value lt 4 Back Next Choose the end state Choose End State e All profiles end with an End step which is Control Off A preprogrammed into the new profile See End All Off Step earlier in this chapter gt Idle Save your settings e Press lt to exit the Profiles Page e After exiting the Profiles Page choose A to save profile data Save profile data or restore values v Restore A Save Page 4 6 TestEquity 107 Temperature Chamber Chapter 4 Temperature Controller Programming Hints e The next to last step establishes a condition to end on For example you may want to end the program by holding at 23 C so this step would be to go to 23 C e The final step of every profile is End You cannot delete an End step or change it t
2. TestEquity does not recommend that these security levels be changed for most applications However there will be times when entry into these menus is necessary For example you may need to gain access to Setup Page in order to change from C to F display or to change the time or date You must call TestEquity at 877 512 3457 or 805 480 0638 to obtain the password TestEquity 107 Temperature Chamber Page 4 1 C hapter 4 Temperature Controller Temperature Controller Keys and Displays Lower Display Displays information about the setup operation and programming of the controller Cursor Indicates selected parameter or present value in memory Moves via the four navigation keys Profile Indicator Light Lit when a ramping profile runs When blinking the profile is on hold When not lit the controller operates as a static set point controller Profile Key Enters the profile menu to start hold resume or terminate a profile Upper Display Displays actual chamber temperature during operation Displays error information if errors occur Main Page_ SP a An O 85 00 Digital 0ut___ E 100 Power a Output Indicator Lights 1A Heat 1B Cool Alarm Output Indicator Lights Alarm2 is used for an internal process and turns on at 35 C Communications Indicator Light Lit pulsates when Left and Right Keys Move right to select the choice to the righ
3. displays compared to what is measured at some point other than the controller s sensor is with the Calibration Offset parameter See page 6 2 of the Series F4 User s Manual for details Avoiding Moisture Any time the ambient air is subjected to temperatures below the dewpoint moisture will condense out of the air The effect is ice or frost during low temperature operation When the chamber is heated above 0 C the ice or frost will turn into water To avoid moisture condensation make sure the port plugs are inserted at all times Also avoid opening the chamber door while the chamber is operating at temperatures below room ambient When a low temperature test is completed warm the chamber to at least room ambient before opening the chamber door and before removing your test sample 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 Fixtures should be designed for easy removal to permit maintenance and cleaning of the chamber The chamber liner should never be drilled or screwed into This will compromise the integrity of the liner and permit moisture migration due to condensation into the insulation which will eventually impact performance and lead to premature rusting of the outer cabinet Fixtures should be constructed o
4. 256 steps can be stored in non volatile memory The 256 steps are grouped by profile So one profile could have 256 steps or 39 profiles could have 6 steps and one could have 22 or 32 profiles could have eight steps each The maximum number of steps is 256 and the maximum number of profiles is 40 Step Types Use the six available step types Autostart Ramp Time Ramp Rate Soak Jump and End to create simple or complex profiles involving all inputs and outputs The Series F4 prompts you to define each step s properties Autostart Step The use of an Autostart step in a profile is optional Autostart pauses a profile until the specified date or day and time of a 24 hour clock Define the Autostart by choosing e Day of the week or Date e Time To invoke an Autostart step in a profile you must activate the profile via the Profile Key and select the Autostart step Ramp Time Step Ramp Time changes the set point to a new value in a chosen period of time Define the Ramp Time step by choosing Wait for an event or process value Event outputs 1 through 7 to turn ON or OFF For controlling the power to remote devices Time in hours minutes and seconds Temperature Set Point PID set One of five sets of PID tuning parameters Normally just leave at PID Set 1 Guaranteed Soak Ramp Rate Step Ramp Rate changes the set point to a new value in a chosen rate of time Define the Ramp Rate step by choosing e Wait fo
5. 9 General Parts 8 9 Series F4 Temperature Controller Setup Parameters 8 10 Series F4 Set Lockout Parameters iii idas 8 10 Series E4 System Parametros 8 11 Series F4 Operations Parameters 2 0 ccsccccccccacceveesecectecesgestecoscesecducescecsedescsddiecedassa code cdvesuceidecstevidedeccecesteedeces 8 12 SD Limit Controller Setup Parameters 8 13 Chapter 9 Warranty da A otha aaa ieee el Chapter 10 DAWN 10 1 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 NEMA 5 15P 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 CAUTION The minimum clearance you should allow for proper ventilation must be at least 12 from the rear of the chamber Z
6. ESI EQUITY Model 107 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 2008 2009 TestEquity LLC Rev 1 03 12 1 09 Table of Contents Chapter 1 Safety Instructions ooocossssss 1 1 Introduction 1 1 Installation Safety Notices 1 1 Operation Safety Notices 1 1 Ch pter 2 Instalan Alain denia nia Rail Unpacking 2 1 Preparation For Use 2 1 Installation Location 2 1 Condensate Drain 2 2 Reversible Chamber Door 2 2 Chapter 3 Opa o Introduction 3 1 Summary of Chamber Operation 3 1 Front Panel Switches 3 1 POWER With E A EA AS A ios 3 1 TEMP Switch 0N Moderato 3 1 TEMP Switch EVENT I Modera a eee Rae ele iaa 3 1 Loading the Chamber 3 2 Performance Considerations 0 cccccccceesssceceessececssecececuececeessececsseeceesueeeceessececsseeceesseecsessececsiseecseseeeeseaaess 3 3 INN 3 3 Internal Vest Fixtunes tee es ida ne la dle el acto aa le cote 3 3 Chapter 4 Temperature Controller oooooooooossss Il Introduction 4 1 Security F attt S aa 4 1 Temperature Controller Keys and Displays 4 2 Main Page 4 3 Static Set Pomt Controla otto a sorna cba as 4 3 Profile Programming 4 4 EDI PE Ii AORE E AEE EEIE IA E 4 4 Howto Programa New Profile sieners naa re
7. How to Edit a Profile Go to the Profiles Page Main Page Move the cursor down the Main Page to Go to Profiles Go to Profiles then press the gt key Go to Setup Go to Factory Choose Edit Profile Main gt Profile e Press the Y key to choose on Edit Profile Then press the gt gt key Create Profile gt Edit Profile Delete Profile Select the desired stored profile to edit Edit Profile __ e Press the Aor Y to scroll through the list of Profile stored profiles gt Profile2 e Press gt to select the desired profile Profile3 Choose how to edit the step Choose to e Press the Aor Y to scroll through the list of step Insert Step edit choices gt Edit Step e Press gt to select your choice Delete Step Done To edit a step Edit Step e Press the Aor Y to scroll through the list of steps gt Step 1 Ramp Time you want to edit Step 2 Soak e Press to scroll through the step parameters and Step 3 Ramp Time make any desired changes To insert a step Insert Before Choose Edit Profile see step 4 above Step 1 Ramp Time e Press the Aor Y to scroll through the number of the step that the new step will precede e Press gt to enter the new step and follow the step parameter prompts gt Step 2 Soak Step 3 Ramp Time To delete a step e Choose Delete Step see step 4 above e Press the Aor Y to scroll through the number of the step you want to delete e Press gt to delete the st
8. Limit 1 Hysteresis 2 E lErr Input Error Latching nLAT aL RE UdS Upper Display Look Lihi Ih Laser Lower Display Look LI Lo L Ilo EJE Lockout 2 P TestEquity 107 Temperature Chamber Page 8 13 Chapter 9 Warranty Chapter 9 Warranty TestEquity LLC Limited Warranty TestEquity LLC TestEquity warrants Environmental Chambers Equipment manufactured by TestEquity and supplied under this contract 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 1s 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 at the Purchaser s site subject to TestEquity s prior approval During the SECOND and
9. Temperature Controller Alarm 1 function is NOT used in the chamber s safety system and is NOT connected The independent Series SD Limit Controller functions as the main protection device CAUTION The Series F4 Temperature Controller Alarm 2 is configured to lock the refrigeration control system in full cooling mode at temperatures below 35 C Alarm 2 is named FACTORYSET This alarm setting must NOT be changed under any circumstances CAUTION The Series F4 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 Setup examples in the Series F4 User s Manual are NOT applicable to this chamber If there is any doubt please call TestEquity before proceeding The correct values are documented in the Series F4 Temperature Controller Setup Parameters section of this manual CAUTION The Autotune PID function is not appropriate for use in this chamber Using this function will result in tuning values that will not work correctly Setup Page The Setup Page provides access to menus for configuring the controller hardware TestEquity has configured the security to require a password fo
10. all applications will result in condensate flowing through the drain 5 Connect to a 120 VAC 60 Hz power source with a minimum 15 Amp breaker 6 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 The chamber will produce a moderate amount of heat during normal operation Locate the chamber in an area with adequate ventilation to prevent excessive heat build up The chamber must be on a solid and level surface that is rated to hold at least 100 pounds A WARNING The power cord is equipped with a NEMA 5 15P 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 Z CAUTION The minimum clearance you should allow for proper ventilation must be at least 12 from the rear of the chamber CAUTION This chamber is designed for operation in a conditioned laboratory environment Operation above 30 C 85 F or below 16 C 60 F ambient room temperature is NOT recommended TestEquity 107 Temperature Chamber Page 2 1 Chapter 2 Installation Condensate Drain The condensate drain connection is located on the rear of the chamber This provides a way to remove condensate that may accumulate on the evaporator cooling coil during temperature cycling or when the refrige
11. condenser through the filter drier then solenoid valve to the capillary tube The capillary tube feeds the finned evaporator coil which is located in the air plenum where heat is absorbed to provide cooling within the chamber The reduction of pressure on the liquid refrigerant causes it to boil or vaporize absorbing heat which provides a cooling effect The refrigerant vapor travels through the suction line accumulator to the compressor suction inlet The compressor takes the low pressure vapor and compresses it increasing both the pressure and the temperature The hot high pressure vapor exits the compressor discharge valve and into the condenser As the high pressure vapor passes through the condenser it is cooled by a fan which blows ambient air across the finned condenser surface The vapor condenses into a liquid and the cycle is repeated The temperature controller s cool output cycles the liquid line solenoid valve SV1 ON OFF to control the chamber temperature When SV1 is ON liquid refrigerant flows through the capillary tube to the evaporator providing full capacity cooling When SV1 is OFF liquid refrigerant flow is stopped causing cooling to stop while the compressor remains ON In this mode the hot gas regulator HGR1 keeps the suction pressure above 5 PSIG During a high temperature cool down or when SV1 is cycled OFF it is possible for excessive hot gas to return to the compressor The suction line cooling thermostatic ex
12. control sensor which is located in the intake airflow within the air plenum Control tolerance is a measure of how much the temperature varies after stabilization at the control sensor It is a measure of the relative variations NOT the absolute accuracy of the readout The control tolerance specification for this chamber is 0 5 C or a total of 1 C For example the temperature set point may be 10 0 C The actual temperature varies between 9 9 C and 10 6 C This corresponds to 0 6 C and 0 1 C or a total of 0 7 C of RELATIVE variations These specifications are for an empty chamber The addition of a test sample may effect the control variations In some instances the test sample will reduce these variations TestEquity 107 Temperature Chamber Page 6 1 Chapter 5 Frequently Asked Questions Uniformity Also known as Gradients This is a measure of variations in temperature at different locations throughout the chamber interior at the same time after stabilization The uniformity specification for this chamber is 1 0 C or a total of 2 C when measured at least 2 away from the chamber interior walls These specifications are for an empty chamber The addition of a test sample may affect the temperature uniformity For example an energized test sample will produce a higher temperature near the sample Controller Accuracy This is the ability of the temperature controller to accurately display a temperature meas
13. deleted or changed to another step type Define the End by choosing Hold Control Off All Off or Idle end state NOTE TestEquity recommends having the end step type to be Hold or Idle TestEquity does NOT recommend using an end step type of Control Off or All Off This does not turn off the chamber fan The chamber temperature can reach 55 C just from heat generated by the fan and interior light or even higher if your test sample is energized Wait For step option The use of Wait For in a profile is optional Ramp Time Ramp Rate and Soak steps can be programmed to wait for a particular chamber temperature or event input condition The wait conditions must be satisfied before the time clock and the step activity proceeds Digital inputs must first be configured in the System Menu as Wait For Events with the condition to be met also specified Then to wait for this digital input you must specify On meaning the condition as configured in the Setup Page or Off meaning the opposite of that condition The digital inputs have been configured to Off by TestEquity so this option will not show unless reconfigured Guaranteed Soak step option The use of Guaranteed Soak in a profile is optional The Guaranteed Soak step requires the chamber temperature to be at the set point temperature within the Guaranteed Soak Band value before the time clock and the step activity proceeds The Guaranteed Soak Band is configured by TestEquity for 3 0 C
14. may be able to clean the condenser less frequently if the chamber is in a very clean environment Page 8 2 TestEquity 107 Temperature Chamber Chapter 8 Maintenance How to inspect the electrical refrigeration compartment WARNING Wear safety goggles when inspecting the electrical refrigeration compartment to protect against a refrigerant line which could break Unplug the power cord Remove the top cover Inspect for signs of refrigeration tubing abrasion Inspect for oil around refrigeration valves fittings and joints This may be a sign of leaks Inspect for loose hardware and tighten as required Check for loose wires and burned insulation near terminals ADA BW Ne PS Inspect for signs of insect or rodent infestation Yes it does happen TestEquity 107 Temperature Chamber Page 8 3 Chapter 8 Maintenance How to verify the chamber performance These tests verify the performance of the heating refrigeration 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 Also the Limit Controller high limit must be set to over 85 C 88 C would be fine and the low limit set to below 42 C If the chamber fails any of these tests it shoul
15. severe burns or frostbite Protective gloves are recommended 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 refrigeration system fails You are responsible for providing thermal protection devices to your test sample CAUTION To prevent damage to your test sample and the chamber s compressor do not exceed the live load rating of the chamber Page 1 2 TestEquity 107 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 Remove the outer box 4 Carefully lift the chamber off the pallet This should be done with at least two people Preparation For Use 1 Inspect the chamber for signs of shipping damage 2 Read this entire manual 3 Select a suitable location to install the chamber 4 Hand tighten one of the supplied barbed fittings to the drain connection on the rear of the chamber Put a container under the condensate drain Alternatively attach the supplied hose to the barbed fitting and run the hose to a remote container drain or condensate pump NOTE Not
16. this manual ZA CAUTION The Series F4 Temperature Controller Alarm 1 function is NOT used in the chamber s safety system and is NOT connected The independent Series SD Limit Controller functions as the main protection device CAUTION The Series F4 Temperature Controller Alarm 2 is configured to lock the refrigeration control system in full cooling mode at temperatures below 35 C Alarm 2 is named FACTORYSET This alarm setting must NOT be changed under any circumstances CAUTION Always verify that the Series SD Limit Controller settings for high and low limits are set to temperatures that are appropriate for your test sample WARNING Do NOT put items in the chamber that could burn or explode at high temperatures This chamber uses open wire heating elements which generate surface temperatures over 1000 F This is NOT an explosion proof chamber WARNING Do NOT put items in the chamber that can emit corrosive vapors or substances WARNING This chamber is NOT a curing oven There are NO provisions for venting fumes A 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 WARNING This chamber operates at extreme temperatures Avoid contact with air objects and surfaces that are hot or cold to prevent
17. to listen for abnormal noise or vibration You should become familiar with normal operating noises Being able to recognize changes from normal operating noises can be a valuable way to identify problems and prevent further damage Examples of noises to be aware of include e Circulator motor noise with compressor off e Compressor start up and running noise e Condenser fan noise e Valve cycling noise How to inspect the door seal The door and chamber opening have silicone gaskets to minimize thermal losses and moisture migration e Inspect the gaskets for dirt and tears e Repair minor tears with a high quality RTV silicone such as GE RTV167 e Check the integrity of the door seal by closing the door on a sheet of paper With the door closed slowly pull the paper You should feel the resistance Repeat this all around the door at several places e Ifthe seal is not tight on the latch side adjust the latch bracket The latch bracket is mounted to the chamber and has slotted holes to permit adjustment e Ifthe seal is not tight on the hinge side adjust the door hinge The hinges have a slotted hole on the door side to permit adjustment How to clean the condenser 1 Unplug the chamber from the power source 2 Remove the condenser grille from the front of the chamber 3 Clean the condenser fins with a vacuum cleaner NOTE You may need to clean the condenser more frequently if the chamber is in a dusty environment You
18. to the DigitalOut prompt 2 Press the key once You will see Choose Event Output prompt in the lower display 3 Press the Aor Y key to position the Cursor next to the EventOutput prompt which you want to change You will be able to select from EventOutputl through EventOutput7 4 Press the key once to select the desired EventOutput Then press the Aor Y key to select On or Off 5 Press the key once to return to the Choose Event Output prompt 6 Press the lt key once to return back to the Main Page Digital Output Connections See page 12 9 of the Series F4 User s Manual for details on how to connect to the controller s Digital Outputs Page 4 14 TestEquity 107 Temperature Chamber Chapter 5 Limit Controller Chapter 5 Limit Controller Introduction The SD Limit Controller is a protection device It turns the chamber OFF if the workspace temperature exceeds either a high temperature or low temperature limit You can set these limits to correspond to the maximum and minimum temperature that your test sample can safely withstand This provides protection against someone setting the Temperature Controller to a temperature that is unsafe for the test sample It also provides protection in the unlikely event of a chamber system component failure The Limit Controller has its own temperature sensor thermocouple and functions completely independent of the Temperature Controller Z CAUTION The Series SD
19. 0 Set Point 1 e The temperature set point during a profile is Modbus register 4122 Set Point 1 Current Profile Status e The decimal points are implied For example 1005 is actually 100 5 and 230 is 23 0 e The Digital Output 1 turns the chamber ON OFF with the TEMP Switch in the Event 1 position is Modbus register is 2000 GPIB optional The optional GPIB interface model TE 1052 consists of an external converter box that connects to the chamber s RS 232C interface GPIB programming resources and LabVIEW drivers can be downloaded from http chamber testequity com gpib html Ethernet optional The optional Ethernet interface model TE 1055 consists of an external converter box that connects to the chamber s RS 232C interface TestEquity 107 Temperature Chamber Page 4 13 Chapter 4 Temperature Controller Digital Event Outputs The Temperature Controller has digital outputs which can be configured as Event Outputs to turn remote devices on and off There are six Event Outputs which are available for customer use Output number is used to turn the chamber On Off when the TEMP Switch is in the EVENT 1 position When entering or editing a profile Event 1 is named TEMP Output number 8 is configured to control the refrigeration compressor and is not available for customer use The Event Outputs are accessed from the Main Page To control the Event Outputs 1 Press the Aor Y key to position the Cursor next
20. 5 of reading whichever is greater Therefore total system accuracy over the chamber s operating range can be as much as 2 55 C although the typical accuracy is often better than 1 0 C Page 7 2 TestEquity 107 Temperature Chamber Chapter 8 Maintenance Chapter 8 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 Inspect the door seal e Clean the condenser e Inspect the electrical refrigeration compartment e Verify the chamber performance Every 12 Months e Verify the calibration TestEquity 107 Temperature Chamber Page 8 1 Chapter 8 Maintenance 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 Ifyou clean the interior with something other than water you may want to operate the chamber at high temperature approximately 85 C after cleaning This helps to bake out any residue Remove the port plugs to permit the residual vapors to escape e Clean the silicone door gaskets with a damp cloth or mild detergent 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 How
21. A CAUTION This chamber is designed for operation in a conditioned laboratory environment Operation above 30 C 85 F or below 16 C 60 F ambient room temperature is NOT recommended Operation Safety Notices CAUTION The Series F4 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 F4SH CKA6 01 as described on page A 7 of the Series F4 User s Manual are applicable The Retransmit function is available as an option CAUTION The Series F4 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 Setup examples in the Series F4 User s Manual are NOT applicable to this chamber 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 107 Temperature Chamber Page 1 1 Chapter 1 Safety CAUTION NEVER select Full Defaults in the Series F4 Controller s Factory Test Menu This will erase all the correct values which are documented in the Series F4 Temperature Controller Setup Parameters section of
22. B and a Refrigerant leak all DigitalOut 8 are ON Compressor is running b Plugged capillary tube If temperature controller light 1B and a Solid State Relay SSR2 is defective DigitalOut 8 are ON Compressor is not b Relay C2 is defective running c Compressor is defective If temperature controller light 1B is ON a DigitalOut 8 parameters have been DigitalOut 8 is OFF Compressor is not changed Re enter values as shipped running from TestEquity Cools too slowly If temperature controller lights 1B and a Chamber interior is overloaded or does not cool DigitalOut 8 are ON Compressor is running b ek sample is energized giving off e eat down to 40 C c Port plug is not in port d Refrigerant leak e Capillary tube is plugged f F4 Alarm 2 is adjusted too high Temperature If tuning PID control parameters in a Re enter values as shipped from varies more temperature controller were changed TestEquity than 0 5 C or If tuning PID control parameters in a Control parameters may need to be en Se temperature controller are as shipped from changed for your unique test conditions 1 C total TestEquity If tuning PID control parameters in a Control parameters may need to be temperature controller are as shipped from changed for your unique test conditions TestEquity and only occurs in cool mode b Solenoid valve SV1 may be defective Compressor If controller DigitalOut 8 parameters were a Re enter values as shipped from tur
23. E Step Description Establishes a recommended initialization step Goes to 23 C as quickly as possible Chamber is turned ON via Event 1 Goes to 50 C at a controlled rate of 1 C per minute Chamber is turned ON via Event 1 Will hold for 1 hour Chamber remains ON via Event 1 Goes to 0 C at a controlled rate of 1 C per minute Chamber is turned ON via Event 1 Will hold for 1 hour Test sample remains ON via Event 1 Jumps back to step 2 Repeats this 3 times for a total of 4 cycles After all cycles are completed goes to 23 C at a controlled rate of 1 C per minute Chamber is turned ON via Event 1 Chamber is turned OFF via Event 1 End of program Controller returns to a 23 C manual set point Chamber remains OFF via Event 1 1 2 3 4 5 6 7 8 9 Notes 0 Guaranteed Soak Band is set at the factory for 3 0 C Can be changed in the System Menu gt Means no entry or selection is required Just scroll through this prompt to the next prompt Means prompt does not show for this step type Page 4 11 TestEquity 107 Temperature Chamber Chapter 4 Temperature Controller Operations Page The Operations Page provides access to menus for control tuning PID and controller alarms TestEquity has configured the security to require a password for access to all parameters in the Operations Page You must call TestEquity at 877 512 3457 or 805 480 0638 to obtain the password CAUTION The Series F4
24. Equity does NOT recommend using CO2 or LN2 in this chamber to achieve colder or faster cooling due to reliability and safety considerations so it is NOT an available option Modifying the chamber to add CO2 or LN2 will permanently damage the chamber and void the warranty Why is there water ice snow in the chamber Any time the ambient air is subjected to temperatures below the dewpoint moisture will condense out of the air The effect is ice or frost during low temperature operation When the chamber is heated above 0 C the ice or frost will turn into water To avoid moisture condensation make sure the port plugs are inserted at all times Also avoid opening the chamber door while the chamber is operating at temperatures below room ambient When a low temperature test is completed warm the chamber to at least room ambient before opening the chamber door and before removing your test sample A condensate drain is provided to remove condensate from the chamber My test specification requires convection heat only Can I turn the circulator motor off NO This will damage the heating and refrigeration systems and void the warranty You need a gravity convection oven for that kind of test How accurate is the chamber That s a loaded question There is no chamber accuracy specification as such The answer requires an understanding of several performance parameters Control Tolerance The Temperature Controller uses a thermocouple
25. ION Remember to set DigitalOut 1 Event Output1 to On in static set point mode when the chamber is to be operational In this mode the Modbus register for Digital Output 1 is 2000 CAUTION Remember to set TEMP to On in the profile event prompt all programmed steps when the chamber is to be operational TestEquity 107 Temperature Chamber Page 3 1 Chapter 3 Operation Loading the Chamber WARNING Do NOT put items in the chamber that could burn or explode at high temperatures This chamber uses open wire heating elements that generate surface temperatures over 1000 F This is NOT an explosion proof chamber WARNING Do NOT put items in the chamber that can emit corrosive vapors or substances WARNING This chamber is NOT a curing oven There are NO provisions for venting fumes 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 WARNING This chamber operates at extreme temperatures Avoid contact with air objects and surfaces that are hot or cold to prevent severe burns or frostbite Protective gloves are recommended 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 liv
26. 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 1ts discovery within the warranty period TestEquity reserves the right to satisfy the labor portion of this limited warranty either through its own service personnel or an authorized agent In order to provide expeditious service TestEquity reserves the right to satisfy its limited warranty obligation by sending replacement parts to be installed by the Purchaser if they can be installed easily without special tools or training TestEquity reserves the right to satisfy this limited warranty by requiring the Purchaser to return the Equipment to TestEquity when such return is feasible The following parts are excluded from this limited warranty and are sold as is or are considered expendable interior light bulb viewing window paint and cosmetic surface finishes and treatments and port plugs This limited warranty shall extend in full to Equipment installed within continental United States and Canada For all other locations Purchaser is responsible for all labor costs for repairs or parts installation and for all shipping costs associated with providing replacement parts This limited warranty does not cover 1 Defects or damages arising as the result of shipment by common carriers or private transportation unless TestE
27. User s Manual is a general manual and is written by the manufacturer Watlow for a wide variety of applications and configurations It is provided for a reference only Not all features or functions are applicable Only the capabilities of a model SD3L HJAA AARG as described on page 49 of the Series SD User s Manual are applicable CAUTION The Series SD Limit Controller has been properly configured by TestEquity to match the chamber s system requirements Improper modifications to these setup values can result in unreliable and unsafe operation Do not attempt to modify the setup values unless you thoroughly understand what you are doing Setup examples in the Series SD User s Manual are NOT applicable to this chamber If there is any doubt please call TestEquity before proceeding The correct values are documented in the Series SD Limit Controller Setup Parameters section of this manual CAUTION NEVER select Default Parameters in the Factory Page This will erase all the correct values which are documented in the Series SD Limit Controller Setup Parameters section of this manual CAUTION Always verify that the Limit Controller settings for high and low limits are set to temperatures that are appropriate for your test sample TestEquity 107 Temperature Chamber Page 5 1 Chapter 4 Temperature Controller Limit Controller Keys and Displays Active Output Indicator Lights Lit when the
28. a od 4 6 Programme Hin tsi hse cae EENS E E EE E ISE EN T NA 4 7 A O 4 7 How to Startia Protiley tata tale cd colo Eta lo e a ook dto do ld Saal ake te 4 7 How to Hold Resume a Running Profile ec eeccesecesececceeceseececseecaeeeceeeneeseeseeeeenseenseeeseceaeeaeenseeeeeseeenes 4 8 How to Terminate a Running Holding Profile cc eecceecesecesecesecseecaeeeseeeneeseeeeceeeeneceseeeseceaeceaeenseeneeeaeeenes 4 8 How to Del teor Re Namea Profiles ett het down Alea bale detailer avant coer bolts 4 8 How to Edita Profile tu ect act e het Atal dl A ole Shae do os aten 4 9 Profile Example linia add da hale dr Neel ORG olin a Reeth Dee eB 4 10 Profile Example Zi E E alee ed dinos decada de re al a o do hoe ad e dl deel dees 4 11 Operations Page 4 12 Setup Page 4 12 Factory Page 4 13 Table of Contents Computer Interface 4 13 RS 23 NN 4 13 Common Modbus Register dedicada 4 13 GPIB optional een ee delete 4 13 Ed ies 4 13 Digital Event Outputs 4 14 Digital Output Connection desta 4 14 Chapter 5 Limit Controller sicsvcciccccseccsecceesvedesesvecssenseyseenesoveceoseenecosesossesenssencnsvsvenssencessdesnsventsssys OTL Introduction 5 1 Limit Controller Keys and Displays cccccesccesccessceseeeecesecesecaecaeecseecaeeeaeceaeeeeeseeeeeeseenseceaecaecnaeenseeeeeaeeenes 5 2 How to Set the High and Low Temperature Safety Limits 00 cccceccceseesseeseeseeeseeeeceeeeeeceeeceseeeeeneenseenseeenes 5 2 Reset
29. agree within the specified limits then no calibration adjustments are necessary If calibration of the temperature controller is necessary refer to page 9 1 of the Series F4 User s Manual and follow the instructions for Thermocouple Input Procedure TestEquity 107 Temperature Chamber Page 8 5 Chapter 8 Maintenance Theory of Operation Overview The chamber is heated by a nichrome heater Cooling is accomplished by a single stage refrigeration system The air is circulated by a propeller fan The heater evaporator and fan are located within an air plenum which is on the back wall of the chamber interior Refer to the electrical and refrigeration drawings to identify the items referenced below Heating System The chamber is heated by an open element nichrome heater HT1 The heater is located in the air plenum The temperature controller provides a time proportioned output to a solid state relay SSR1 This turns the heater on off as required to maintain the temperature set point A fusible heat limiter HL provides failsafe protection against a catastrophic failure by opening the heater circuit at 192 C Refrigeration System Cooling is accomplished by a single stage refrigeration system The refrigeration system provides cooling to the chamber interior through a finned evaporator coil which is located in the air plenum The system uses refrigerant R 410A High pressure liquid refrigerant is fed from the
30. and this can be changed in the System Menu TestEquity 107 Temperature Chamber Page 4 5 Chapter 4 Temperature Controller How to Program a New Profile Go to the Profiles Page Move the cursor down the Main Page to Go to Profiles then press the gt key Create a new Profile The cursor will be on Create Profile Press the gt gt key Main Page gt Go to Profiles Go to Setup Go to Factory lt m p gt Main gt Profile 2 gt Create Profile Edit Profile Delete Profile lt Name the profile You can name your profiles for easy reference if desired Names can have up to 10 characters You can also use one of the default profile names ex Profile1 and skip this step To name a profile e Press gt to enter the name space and the first position e Press the Aor Y to scroll through the alphabet and stop at the letter or number desired e Press gt to move to the next position e Continue until the name is complete or until you move through the name space into the next screen e Press to save the name of the profile Choose to Name No gt Yes Enter Profile Name _ PROFILE1 A Y Adjusts Char lt gt Save Changes Choose the step type There are five step types each of which must be defined through different parameters See Step Types earlier in this chapter Define each step type e The Series F4 prompts you to define the parameters of each step type See Step Types
31. d You must call TestEquity at 877 512 3457 or 805 480 0638 to obtain the password CAUTION NEVER select Full Defaults in the Factory Test Menu This will erase all the correct values which are documented in the Series F4 Temperature Controller Setup Parameters section of this manual Computer Interface CAUTION Every setting in the F4 Controller can be accessed via the computer interface Improper modifications to configuration settings can result in erratic performance and unreliable operation Setup examples in the Series F4 User s Manual are NOT applicable to this chamber The correct values are documented in the Series F4 Temperature Controller Setup Parameters section of this manual RS 232C The F4 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 the Modbus RTU protocol Each controller function has a register number which can be read or written to when applicable These registers are listed Chapter Seven of the Series F4 User s Manual RS 232C Modbus programming resources and LabVIEW drivers can be downloaded from http chamber testequity com rs232 html Common Modbus Registers e The actual chamber temperature reading is Modbus register 100 Input 1 Value e The static temperature set point is Modbus register 30
32. d be removed from service to prevent further damage until the cause of the problem is determined and resolved 1 The chamber interior should be empty and at ambient temperature approximately 23 C 2 Plug the chamber into a 120 VAC outlet Turn the POWER Switch ON and the TEMP Switch OFF 3 Set the Temperature Controller Set Point to 85 0 C and turn the TEMP Switch ON The Temperature Controller s 1A light should be ON continuously and the Controller s 1B light should be OFF 5 The chamber should heat up to about 82 C and begin controlling 1A light cycles ON OFF within approximately 8 minutes 6 The chamber temperature should slowly increase and stabilize to 85 C It should NOT overshoot beyond 85 C by more than 0 5 C and the compressor should NOT need to turn ON in order to maintain 85 C 7 After stabilization the chamber should vary no more than 0 2 C or a total of 0 4 C 8 Let the chamber stay at 85 C for 30 minutes 9 After 30 minutes at 85 C set the Temperature Controller Set Point to 23 0 C 10 The compressor should turn ON The chamber should cool down to about 26 C and begin controlling 1B light cycles ON OFF within approximately 13 minutes 11 The chamber temperature should slowly decrease and stabilize to 23 C It should NOT undershoot beyond 23 C by more than 1 0 C and the compressor should NOT need to turn OFF in order to maintain 23 C 12 After stabilization the chamb
33. e before placing the chamber back into service This will ensure that nothing has been damaged and that a leak has not developed Can Should I put a filter in front of the condenser air inlet No TestEquity does not recommend this Just follow the maintenance procedures and clean the condenser fins periodically How often should I charge the refrigeration system This chamber uses a closed loop refrigeration system Just like your refrigerator at home it does not need periodic charging If the charge is low this means that there is a leak Leaks should be repaired before recharging What kind of Freon does the chamber use The word Freon is a DuPont registered trade name for their CFC based refrigerants and is incorrectly used as a generic term for refrigerants TestEquity chambers do not use CFC based refrigerants The system uses R 410A which is also known as DuPont Suva 410A Page 6 2 TestEquity 107 Temperature Chamber Chapter 7 Specifications Chapter 7 Specifications Model 107 Chamber Specifications Temperature Range 42 C to 130 C Control Tolerance 0 5 C 0 2 C Typical Measured at the control sensor after stabilization Uniformity 1 0 C 0 5 C Typical Variations throughout the chamber after stabilization Live Load Capacity 23 C 0 C 30 C 40 C Watts 200 W 155 W 100 W 35 W Heat Up Transition Time 8 5 C minute empty chamber typical Cool Down Transition Time empty c
34. e load rating of the chamber or if the chamber s refrigeration system fails CAUTION To prevent damage to your test sample and the chamber s compressor do not exceed the live load rating of the chamber Live Load Rating Temp 23 C 0 C 30 C 40 C Watts 200 W 155 W 100 W 35 W Page 3 2 TestEquity 107 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 The air plenum is located on the back wall of the chamber where air is sucked in from the bottom and exits from the top You should not place the test sample directly on the chamber floor It should be placed on the shelf 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 Verify that the temperature gradients are within acceptable limits by measuring the chamber temperature at strategic points using a multipoint thermocouple meter or datalogger You may find that the temperature throughout the chamber is even but always different from what the temperature controller indicates The correct way to adjust what the temperature controller
35. ep Delete Step Step 1 Ramp Time gt Step 2 Soak Step 3 Ramp Time Save your settings e Press successively to exit the Profiles Page e After exiting the Profiles Page choose A to save the new profile values or Y to restore the old values Save profile data or restore values v Restore A Save An End Step cannot be deleted TestEquity 107 Temperature Chamber Inserting or deleting a step will renumber all steps that follow A Jump Step that jumps to an End Step cannot be deleted Inserting a new ramp step usually requires inserting an associated soak step Deleting a ramp step usually requires deleting the associated soak step Page 4 9 Chapter 4 Temperature Controller Profile Example 1 4 cycles End with return gt 30 minute soak time to 23 C manual set point NOTE The TEMP Switch must be in the ON position gt 40 C to 85 C no ramps as quickly as possible not EVENT 1 Step Step Date Choose Digit Out Number Type Day Time Waitfor TEMP2 3 4 5 Ramp Time gt Ramp Time Soak Ramp Time Soak Jump End Time H M S 00 00 01 00 00 01 00 30 00 00 00 01 00 30 00 Chi Rate SP 23 0 40 0 85 0 PID Guar Jump to End Set Soak Profile Step Repeats Type Idle Step Description Establishes a recommended initialization step Goes to 23 C as quickly as possible Goes to 40 C as quickly as possible Will hold for 30 min
36. er of this Equipment and is not transferable TestEquity 107 Temperature Chamber Page 9 1 Chapter 10 Drawings Chapter 10 Drawings TestEquity 107 Temperature Chamber Page 10 1 Electrical Subpanel Component Location Bussman MDL 3 10A
37. er should vary no more than 0 5 C or a total of 1 0 C 13 Set the Temperature Controller Set Point to 40 0 C 14 The F4 Alarm 2 light looks like a bell with the number 2 should turn on when the chamber reaches 35 0 C This is an internal chamber system function not a fault 15 The chamber should cool down from 23 0 C to 40 C within approximately 30 minutes 16 The 1B light will ultimately remain OFF and the 1A light should eventually cycle ON OFF while maintaining 40 C It should NOT undershoot beyond 40 C by more than 1 0 C and the compressor should NOT need to turn OFF in order to maintain 40 C 17 After stabilization the chamber should vary no more than 0 2 C or a total of 0 4 C 18 Set the Temperature Controller Set Point to 23 C The chamber should begin to heat up The compressor should turn off in 30 seconds 19 This concludes the chamber performance verification tests 20 Let the chamber heat up to 23 C before turning the TEMP Switch OFF Page 8 4 TestEquity 107 Temperature Chamber Chapter 8 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 chambe
38. f 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 107 Temperature Chamber Page 3 3 Chapter 4 Temperature Controller Chapter 4 Temperature Controller Introduction The Series F4 Temperature Controller can function as either a single set point controller static mode or as a programmable profile controller A four line LCD display facilitates setup and programming and presents informative messages about status error and alarm conditions Digital outputs profiles and alarms can be named for easy reference An Information Key gives you quick information about the pages menus parameters and values as well as error and alarm conditions if they occur The user interface is organized into five pages of menus CAUTION The Series F4 Temperature Controller has been properly configured by TestEquity to match the chamber s system requirements and t
39. file menus have Full Access TestEquity has configured all other menus to Password and have protected them with a password TestEquity does not recommend that these security levels be changed for most applications However there will be times when Full Access is necessary For example you may need to gain access to Setup Page in order to change from C to F display or to change the time or date You must call TestEquity at 877 512 3457 or 805 480 0638 to obtain the password Set Lockout Menu Main Page Go to Factory Set Lockout Set Point Full Access Oper Autotune PID Password Oper Edit PID Password Oper Alarm SP Password Profile Full Access Setup Password Factory Password Page 8 10 TestEquity 107 Temperature Chamber Chapter 8 Maintenance Series F4 System Parameters System Menu Main Page Go to Setup System Choose GSB1 Source Guaranteed Soak Band 1 PID Units ForC Show F or C Ch1 Autotune SP Input 1 Fail Open Loop Chl Power Out Time Power Out Action Imputl 3 0 C 5 4 if F US C Yes 90 0 Off 10 Sec Continue Analog Input Menu Main Page Go to Setup Analog Input 1 Comp Off Power 25 Choose Sensor Thermocouple Alarm Output Menu Comp Off Delay 30 sec T T Main Page Go to Setup Comp On Delay 10 sec ype Choose Decimal 0 0 Alarm Output 1 2 Pee SP Low Limit 44 0 C 47 2 if F Communications Menu SP High Limit 180 070 266 038 Eee ares ee a
40. hamber typical End Temp Start Temp to gt 23 C 0 C 10 C 20 C 30 C 35 C 40 C 423 C e 7 min 11 min 15 min 19 min 23 min 30 min 85 C 13 min 20 min 24 min 28 min 32 min 36 min 45 min Note Transition times are measured after a 30 minute soak at the start temperature To calculate rate of change for a particular condition take the difference between the Start Temp and End Temp and divide by the Transition Time Cool Down Example empty From 85 C to 20 C 105 C 28 min 3 75 C min Power Requirements Input Voltage 120 VAC nominal 110 to 126 VAC Single Phase 60 Hz Current Draw 10 A maximum Recommended Service 15 A Heat of Rejection 3 000 BTUH maximum rated chamber load at maximum cooling rate from high temperature soak Workspace Dimensions 12 W x 9 H x 11 25 D 0 7 cubic feet Outside Dimensions 16 5 W x 26 H x 23 D nominal Door latch adds 2 to width Circulator motor housing adds 2 to depth in rear Min Installed Clearance 12 from the rear Access Ports 3 Port on left and right side two total Supplied with foam plugs Weight 124 pounds Sound Level 52 dBA in cooling mode A weighted measured 36 from the front surface 63 from the floor 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 resu
41. ies Page 4 2 TestEquity 107 Temperature Chamber Chapter 4 Temperature Controller Main Page The Main Page displays manual operating parameters running program parameters and error messages It also provides access to the Operations Profiles Setup and Factory pages The following is a list of Main Page parameters and the description of their functions Main Page Current File Displayed if running a profile the name of the profile Current Step Displayed if running a profile the current step of the profile gt SP1 Static manual temperature set point entry If running a profile the current set point Step Type Displayed if running a profile the type of step Target SP1 Displayed if running a profile the target temperature during a ramp step WaitFor Status Displayed if running a profile the status during a WaitFor step Jump Count Displayed if running a profile the number of jumps completed Time Remaining Displayed if running a profile the remaining time of the current step DigitalOut Status of the event outputs 1 to 8 An 8 indicates when cooling system is ON Power The of throttle of the heat positive number or cool negative number output Date Real time clock date Time Real time clock time TESTEQUITY 107 Identifies the chamber model number Go to Operations Access to Operations Page Go to Profiles Access to Profiles Page Go to Setup Access to Setup Page Not displayed if running a profile Go t
42. in Pags Coto Setup Calibration Offset 0 Name TERA ommunications Filter Time 1 0 sec Error Latch Self Clear Type Process Baud Rate 9600 Source Input 1 Address 1 Digital Input Menu pi ee Main Page Go to Setup Alarm Hysteresis 1 7 C 3 0 if F Custom Main Page Menu Digital Input 1 4 Sides Both Main Page Go to Setup System Logic Open on Alarm Custom Main Page Naime DIGTEIN 4 Show Message Yes on Main Page Function Off Pl Current File Alarm Output 2 P2 Current Step Choose to Name Yes P3 Set Point 1 Name FACTORYSET P4 Step Type Alarm Type Process P5 Target SP1 Alarm Source Input 1 P6 Wait For Status Latching Alarm Self Clears P7 Jump Count Silencing No P8 Time Remaining Alarm Hysteresis 1 7 C 3 0 if F P3 Digital Outs Alarm Sides Low P10 Power Alarm Logic Close on Alarm Pll Time Show Message No P12 Date P13 Custom Message 1 P14 None P15 None P16 None Control Output Menu Main Page Go to Setup Control Output 1A 1B Control Output 1A Function Heat Process Type Fixed Time Cycle Time 3 0 sec Hi Power Limit 100 Low Power Limit 0 Control Output 1B Function Cool Process Type Fixed Time Cycle Time 10 0 sec Hi Power Limit 100 Low Power Limit 0 Digital Output Menu Main Page Go to Setup Digital Output 1 8 Digital Output 1 Name Yes Name Digital Output TEMP Function Event Output Digital Output 2 through 7 Name No Function Event Output Digital Output 8 Name No Function Compre
43. limit setting is exceeded Only light 1 is applicable for this configuration Right Display Indicates the Low Limit Set Point during normal operation or the parameter whose value appears in the right display Left Display Indicates the High Limit Set Point during normal operation or the value of the parameter in the right display in other pages Advance Key Reset Key Up Down Keys Advances the right Returns to the Home Page In the Home Page adjusts the display through or Resets the limit limit set point In other pages parameter prompts changes the left display to a higher or lower value Figure 4 1 Limit Controller Keys and Displays How to Set the High and Low Temperature Safety Limits 1 Press the Advance key once to get the prompt in the right display This is the Low Limit Set Point prompt Press the Aor Y key to enter the desired Low Limit Set Point in the left display Make sure it is lower than your actual chamber temperature set point and at least well below room temperature to prevent nuisance tripping Press the Advance key once to get the _ H_1 prompt in the left display This is the High Limit Set Point prompt Press the Aor Y key to enter the desired High Limit Set Point in the left display Make sure it is higher than your actual chamber temperature set point to prevent nuisance tripping Press the Reset Key to return to the Home Page The left display will show the High Limit Set Point
44. llary Tube 0 031 x 9 ft JB TC 31 5 100320 1 ea Condensing Unit Copeland M4FL 0033 IAA 017 1 100308 1 ea Evaporator Coil CUSTOM CUSTOM 7 100502 1 ea Expansion Valve Suction Cooling Danfoss 068U2027 8 TEV1 100314 1 ea Filter Drier Danfoss 023Z5048 2 100524 1 ea Hot Gas Regulator Sporlan ADRI 1 4 0 55 12 HGR1 100497 1 Ea Solenoid Valve Sporlan E3S8123 1 4 x 1 4 ODM 3 SV2 3 100310 2 ea Solenoid Valve Sporlan XWG 13 SV1 100343 1 ea Solenoid Valve Coil Sporlan MKC 1 120 50 60 4 SV2 3 100011 2 ea Solenoid Valve Coil Sporlan OMKC 1 120 50 60 14 SV1 100344 1 ea General Parts Description Mfr Mfr Part No Ref Part Qty UOM Door Latch Chamber Workspace Southco A7 10 301 20 300216 1 ea Gasket Door Side CUSTOM 300252 300252 1 ea Seal Fan Motor Shaft CUSTOM 300286 300286 1 ea Port Plug Silicone Foam 3 CUSTOM 300374 300374 2 ea Fan Alum 5 4 Blade PM Motor SRHF 250 04P27 300699 1 ea Shelf CUSTOM TE 1072 TE 1072 1 ea TestEquity 107 Temperature Chamber Page 8 9 Chapter 8 Maintenance Series F4 Temperature Controller Setup Parameters CAUTION The Series F4 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 F4SH CKA6 01 as described on page A 7 of the Series F4 User s Manual are applicable The Re
45. lt in decreased cooling performance Low end limit derates to 38 C when operating above 27 C 80 F ambient Operation above 30 C 85 F or below 16 C 60 F ambient is not recommended TestEquity 107 Temperature Chamber Page 7 1 Chapter 7 Specifications F4 Temperature Controller Specifications Specifications as configured for the TestEquity 107 Chamber Accuracy amp Sensor Conformity 1 55 C Stability 0 1 C C rise in ambient Digital Inputs Four Contact closure or de voltage 10 kQ impedance Retransmit Outputs Optional Two User selectable ranges 0 to 10 VDC 0 to 5 VDC 1 to 5 VDC 0 to 20 mA 4 to 20 mA Alarm Outputs Two Electromechanical relay Form C 2 A 20 VDC or 240 VAC max Digital Outputs 6 available for customer use Open collector output OFF 42 VDC 10 uA max ON 0 2 VDC 50 mA sink max Internal supply 5 VDC 80 mA Communications EIA 232 and EIA 485 serial communications with Modbus RTU protocol Safety amp Agency Approvals UL c UL 916 listed File E185611 CE to EN61010 NEMA 4X and IP65 CE EMC to EN50082 2 CE EMC to EN55011 Displays Process 5 seven segment red LED Interface Display 4 line high definition green LCD selectable C or F Data Retention Retention upon power failure via nonvolatile memory seven years for battery backed RAM Note Total system accuracy in the chamber includes thermocouple wire accuracy Thermocouple wire accuracy is 1 C or 0 7
46. ns on and off changed TestEquity If controller DigitalOut 8 parameters are as a Control parameters may need to be too frequently shipped from TestEquity TestEquity 107 Temperature Chamber changed for your unique test conditions Page 8 7 Chapter 8 Maintenance Refrigeration System Charging Instructions WARNING Repair of the refrigeration system must be performed only by a properly trained mechanic Do NOT substitute any component Do NOT substitute refrigerants Improper repairs will void the warranty These instructions are intended as guidelines for repairing TestEquity chambers Details such as how to attach a gauge manifold are not covered These are NOT do it yourself instructions R 410A Charge The proper charging procedure is as follows Repair any leaks before recharging Replace the filter drier Evacuate the system to 100 microns DO NOT GUESS You must use a micron gauge 3 Use a charging scale to weigh in 7 0 ounces of R 410A DO NOT GUESS You must use an accurate charging scale 4 Verify the cooling performance as outlined in How to verify the chamber performance Page 8 8 TestEquity 107 Temperature Chamber Chapter 8 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
47. o Factory Access to Factory Page Not displayed if running a profile Static Set Point Control The Temperature Controller is in Static Mode when it is not controlling a Profile When in a Static Mode the Profile Indicator Light is off see Fig 4 1 The Upper Display shows the actual chamber workspace temperature The Static Set Point SP 1 prompt is accessed from the Main Page To enter a Static Set Point Press the Aor Y key to position the Cursor next to the SP1 prompt You may already be at this prompt Press the key once You will see Static Set Point in the lower display with the current set point indicated below Press the Aor Y key to change the temperature set point value Press the gt key once to enter the new temperature set point You are now back to the Main Page Main Page Static Set Pointi _ gt SP1 85 0 C 85 0 C Digitalout_ A A Power1 50 Y v Adjusts Value lt Back gt Next TestEquity 107 Temperature Chamber Page 4 3 Chapter 4 Temperature Controller Profile Programming The Series F4 Temperature Controller can be programmed to store up to 256 steps into as many as 10 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 As many as 40 different profiles and a total of
48. o another type but you can insert new steps before it e TestEquity recommends having the end step type to be Hold or Idle e NEVER use an end step type of All Off or Control Off This does not turn off the chamber fan The chamber temperature can reach 55 C just from heat generated by the fan or even higher if your test sample is energized e When the TEMP Switch is in the EVENT 1 position you can enable and disable all chamber functions through Event 1 Event 1 is named TEMP in the profile menu All steps except the next to last step should have the TEMP event On It should be Off in the next to last step and the end step should be Idle Profile Key The Profile key e Initiates the profile mode Initiates the Hold profile state Initiates the Resume profile command Initiates the Terminate profile command The Profile Key functions only from the Main Page How to Start a Profile To initiate the profile mode press the Profile key and answer the questions that follow Press the Profile key to enter the Profile Control Start a Profile menu e The Profile Indicator will begin blinking vV No A Yes e Press the A key for Yes Select the desired stored profile Start Profile e Press the Aor Y to scroll through the list of Profile stored profiles gt Profile2 A e Press gt to select the desired profile Profile3 Vv Select the desired step to start on Start _ TY e Press the Aor Y to scroll through the list of step
49. o perform optimally over a wide range of operating conditions Improper modifications to these setup values can result in erratic performance and unreliable operation Setup examples in the Series F4 User s Manual are NOT applicable to this chamber 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 CAUTION NEVER select Full Defaults in the Series F4 Controller s Factory Test Menu This will erase all the correct values which are documented in the Series F4 Temperature Controller Setup Parameters section of this manual Z CAUTION The Series F4 Temperature Controller Alarm 1 function is NOT used in the chamber s safety system and is NOT connected The independent Series SD Limit Controller functions as the main protection device CAUTION The Series F4 Temperature Controller Alarm 2 is configured to lock the refrigeration control system in full cooling mode at temperatures below 35 C Alarm 2 is named FACTORYSET This alarm setting must NOT be changed under any circumstances Security Features The Series F4 Controller has several levels of security to prevent unauthorized users from changing critical configuration parameters Only the Set Point and Profile menus have Full Access TestEquity has configured all other menus to Password and have protected them with a password
50. pansion valve TEV 1 senses the suction line temperature and injects liquid refrigerant to cool the hot gas within safe limits At chamber temperatures below 35 C the temperature controller s Alarm 2 disables the suction cooling expansion valve and hot gas bypass valve through SV2 while locking SV1 ON regardless of the controller s cool output status Page 8 6 TestEquity 107 Temperature Chamber Chapter 8 Maintenance Troubleshooting SYMPTOM CONDITION POSSIBLE CAUSES Chamber does If POWER switch is ON and TEMP switch a Event 1 needs to be turned ON or put not function is in EVENT 1 position TEMP switch in ON position If POWER and TEMP switches are ON a Chamber temperature has exceeded the SD Limit Controller 1 light is ON Alarm limits Does not heat If controller light 1A is ON circulator fanis a Heat Limiter HL is open ON b Heater HT1 is open up atali c Solid State Relay SSR1 is defective d Temperature controller is defective Heats up too If temperature controller light 1A is ON a Chamber interior is overloaded slow DigitalOut 8 is OFF Compressor is not b Port plug is not in port running c Verify that input line voltage measures no less than 110 VAC Heat is on all If temperature controller light 1A is OFF a Solid State Relay SSR1 is defective the time b Temperature controller is defective Does not cool at If temperature controller light 1
51. quity 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 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 Purchas
52. r access to the Setup Page However there will be times when entry into these menus is necessary For example you may need to gain access to Setup Page in order to change from C to F display or to change the time or date You must call TestEquity at 877 512 3457 or 805 480 0638 to obtain the password CAUTION The Series F4 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 Setup examples in the Series F4 User s Manual are NOT applicable to this chamber If there is any doubt please call TestEquity before proceeding The correct values are documented in the Series F4 Temperature Controller Setup Parameters section of this manual Page 4 12 TestEquity 107 Temperature Chamber Chapter 4 Temperature Controller Factory Page The Factory Page provides access to menus for controller diagnostics and calibration TestEquity has configured the security to require a password for access to the Setup Page However there will be times when entry into these menus is necessary For example you may need to gain access to Factory Page in order to perform a calibration or to change the security passwor
53. r an event or process value e Event outputs 1 through 7 to turn ON or OFF For controlling the power to remote devices e Rate in degrees per minute e Temperature Set Point PID set One of five sets of PID tuning parameters Normally just leave at PID Set 1 Guaranteed Soak Page 4 4 TestEquity 107 Temperature Chamber Chapter 4 Temperature Controller Soak Step Soak maintains the set point from the previous step for a chosen time in hours minutes and seconds Define the Soak step by choosing e Wait for an event or process value e Event outputs 1 through 7 to turn ON or OFF For controlling the power to remote devices e Time e PID set One of five sets of PID tuning parameters Normally just leave at PID Set 1 e Guaranteed Soak Jump Step Jump initiates another step or profile Define the Jump step by choosing e Profile to jump to e Step to jump to and e Number of Repeats NOTE If a power out condition occurs during a profile and more than 20 jump steps are stored in the F4 s Profile Program memory the controller will terminate the profile and turn off all outputs if Continue Hold or Terminate was selected as the Power Out action If Profile Reset or Go to Idle Set Point was selected the controller will take those actions A pop up message will warn of this when the 21st jump step is programmed End Step End terminates the profile in a chosen state All profiles must have an End step It cannot be
54. ration system runs to maintain moderate temperatures Any time the ambient air is subjected to temperatures below the dew point moisture will condense out of the air The effect is ice or frost during low temperature operation When the chamber is heated above 0 C or the cooling system turns off the ice or frost will turn into water The drain fitting accommodates a 1 4 inch male pipe thread Right angle and straight barbed adapters are provided so you can easily connect 3 8 inch I D flexible tubing to it The chamber drain water is not under pressure and is fed by gravity Therefore it must empty into a container or open floor drain Alternatively the chamber drain can empty into a condensate pump You can purchase a condensate pump from suppliers such as Grainger www grainger com Reversible Chamber Door The chamber door can be mounted to open from the left or right side The chamber cabinet has mounting holes on both sides for the hinges and door latch If you reverse the door see How to inspect the door seal in the Maintenance chapter of this manual to make sure the hinges and door latch are adjusted correctly Page 2 2 TestEquity 107 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 Temperature Controller automatically t
55. rs 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 common practice of measuring multiple points in the chamber and adjusting the temperature controller s calibration to correct for these errors is incorrect 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 6 2 of the Series F4 User s Manual for details Calibration verification should be performed with the Calibration Offset set to 0 0 zero Total system accuracy in the chamber includes the controller plus the thermocouple wire accuracy Total system accuracy over the chamber s operating range is typically 1 55 C 1 LSD or a theoretical total of 2 55 C The easiest way to verify the instrumentation accuracy is with an independent calibrated temperature sensor and display Place the sensor inside the chamber near the chamber s conditioner fan grille If the readings
56. s gt Step 1 Ramp Time Generally you would start on Step 1 but you can Step 2 Soak A also start on any other step Step 3 Ramp Time y e Press gt to select the desired start step and the profile will begin to run The Profile Indicator will stay lit Main Page EN Profile 2 Running Step 1 SP1 85 0 C Y While running a profile the Main Page on the lower display will keep you informed about the progress of the profile Use the Aor Y key to scroll through the list of running profile parameters You cannot manually change any operating condition while the profile is running TestEquity 107 Temperature Chamber Page 4 7 Chapter 4 Temperature Controller How to Hold Resume a Running Profile To Hold a running profile press the Profile key to enter the Profile Control menu e Then press Aor Y to make your choice for Hold e Press gt gt to select Hold The Main Page will appear with a profile status of Holding The Profile Indicator will be off Hold Profile Don t Hold gt Hold Terminate Main Page ee gt Profile 2 Holding Step 2 SP1 23 0 C V To Resume profile on hold press the Profile key to enter the Resume Profile menu e Then press Aor Y to make your choice for Resume e Press to select Resume Resume Profile Continue Holding gt Resume Terminate While a profile is on Hold the current set point can be adjusted at the SP1 prompt on the Main Page When a profile is res
57. ssor Comp On Power 2 Static Message Menu Main Page Go to Setup Static Message Message 1 TESTEQUITY 107 TestEquity 107 Temperature Chamber Page 8 11 Chapter 8 Maintenance Series F4 Operations Parameters PID Set Channel 1 Menu Main Page Go to Operations Edit PID PID Set Channel 1 PID Set 1 5 PID Set 1 5 Prop Band A 3 0 C 7 2 if F Reset A 0 10 min Rate A 0 00 min Dead Band A 0 C Hysteresis 0 Prop Band B 3 0 C 7 2 if F Reset B 0 10 min Rate B 0 00 min Dead Band B 0 C Hysteresis 0 Alarm Setpoints Menu Main Page Go to Operations Alarm Setpoints TEMP ALARM See Note 1 Alarml Low SP 44 0 C 47 2 if F Alarml High SP 130 0 C 266 0 if F FACTORYSET See Note 2 Alarm2 Low SP 35 0 C 31 0 if F Note 1 The Alarm output of the Temperature Controller is NOT connected to the chamber s safety system TestEquity does NOT recommend using the Temperature Controller s alarm function as the main protection device Note 2 The Alarm2 output of the Temperature Controller is used for an internal process and is not available for customer use Page 8 12 TestEquity 107 Temperature Chamber Chapter 8 Maintenance SD Limit Controller Setup Parameters For more detailed instructions see the Series SD User s Manual CAUTION The Series SD User s Manual is a general manual and is written by the manufacturer Wa
58. t of the cursor and proceed to the next screen Move left to exit Information Key Provides information in the Lower Display about the cursor selected parameter Another press toggles the display back to the parameter the controller sends or receives valid data Scroll Bar Appears when the Up or Down Keys can reveal more information in the Lower Display Up and Down Keys Move the cursor position in the Lower Display through the menus in the direction of the key arrow Increase or decrease a value or change a letter ina user nameable field such as events and profile names Temperature Controller Keys and Displays To navigate through the menus Use the A or Y key to move the cursor to line up with the item to be selected in a menu on l S ae oe ib the lower display Press the key to select the item Enter or change the value or make a choice with the A or Y key Press the key to enter the value or choice Repeat until you return to the original list The key again saves the value and proceeds to the next parameter in the series The key saves the value and backs out of the series and returns to the Main Page To edit a parameter proceed through the series using the key without changing values until you find the parameter you want to change After making the change with the with the A or Y key you may back using the key out or proceed using the gt key to the end of the ser
59. ting a Limit Condit ois eck A E a eh eR seats od TA 5 2 Chapter 6 Frequently Asked Questi0NsS omoooms O L A A 27 Model 107 Chamber Specifications 7 1 F4 Temperature Controller Specifications 7 2 Chapter Miaitenianie omiso Preventive Maintenance Schedule 8 1 Daily or As Ned al 8 1 Every O Mo io mmeusthvinds 8 1 VI O O 8 1 How to clean the chamber interior and exterior cccceccesccesecesecesecscecseeeseeeneesececeeeeeseenseceseceaeceaeeeeeneeeaeeenes 8 2 How to listen for abnormal noise Or Vibration ccecceseeeseescecseccecscecseeeseeeneeseeeeeeeesseeeseceaecaecaecsseceeeaeeenes 8 2 How to inspect the door A 8 2 How to clean the CONAENSET A E AE E E E 8 2 How to inspect the electrical refrigeration compartment cccecceessessceesceeeceeecesecesecseeseceseceaecaeenseeeeeeeeaes 8 3 How to verify the chamber performancce ccccesccsssessscesscesecesecsecseecseeeseeeaeeseeeeeeeeesseeeseceseceaeceaeenseceeeaeeenes 8 4 How to verify heces 8 5 Theory of Operation 8 6 OVIEDO e secu thors ad e E Saal stash th do Meteubest fy 8 6 cating System af diesel tsi Adlets ope tro do als Cros de lr lt 8 6 Refrigeration Systems 3 2 2 A tadaa deeds corn ten BS 8 6 Troubleshooting 8 7 Refrigeration System Charging Instructions 8 8 RATA Char eis Fics dtc ee cucds 8 Gas Neoanen ci a 8 8 Recommended Spare Parts 8 9 Major Electrical Parts 8 9 Major Refrigeration Parts 8
60. tlow for a wide variety of applications and configurations It is provided for a reference only Not all features or functions are applicable Only the capabilities of a model SD3L HJAA AARG as described on page 49 of the Series SD User s Manual are applicable CAUTION The Series SD Limit Controller has been properly configured by TestEquity to match the chamber s system requirements Improper modifications to these setup values can result in unreliable and unsafe operation Do not attempt to modify the setup values unless you thoroughly understand what you are doing Setup examples in the Series SD User s Manual are NOT applicable to this chamber If there is any doubt please call TestEquity before proceeding The correct values are documented below CAUTION NEVER select Default Parameters in the Factory Page This will erase all the correct values which are documented below SD Limit Controller Setup Page SEn Sensor Type tc Ec Lin Linearization t e C F Temperature Units C C dEl Temperature Decimal Places ___ 0 g ISEn InfoSense Enable no no GPLo Set Point Low Limit 44 44 Ph Set Point High Limit 130 130 CAL Calibration Offset 0 ff Fer Enable Input Filter off GFF Gt Output1 Function lim SAN 16d Limit 1 Sides both both hys 1
61. transmit function is available as an option CAUTION The Series F4 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 Setup examples in the Series F4 User s Manual are NOT applicable to this chamber 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 CAUTION The alarm outputs of the Temperature Controller are NOT connected to the chamber s safety system TestEquity does NOT recommend using the Temperature Controller s alarm function as the main protection device CAUTION NEVER select Full Defaults in the Factory Test Menu Full Defaults are NOT the TestEquity configuration parameters for this chamber If you select Full Defaults you must reconfigure all System and Operation Parameters as documented in the TestEquity manual NOT the Series F4 User s Manual TestEquity has configured the Temperature Controller with the parameters as documented on the following pages Series F4 Set Lockout Parameters The Series F4 Controller has several levels of security to prevent unauthorized users from changing critical configuration parameters Only the Set Point and Pro
62. umed during a Ramp step the controller uses the Static Set Point from the Main Page to calculate the rate of change needed to get to the set point at the end of the step When a profile is resumed in a soak step the new set point value will be used as the soak value for the time remaining in the step How to Terminate a Running Holding Profile Press the Profile key while the profile is running to enter the Resume Control menu e Then press Aor Y to make your choice for Terminate e Press gt to select Terminate Hold Profile Don t Hold Hold gt Terminate If you manually terminate a running profile the profile ends with a set point of Off This does not turn off the chamber fan The chamber temperature can reach 55 C just from heat generated by the fan and interior light or even higher if your test sample is energized How to Delete or Re Name a Profile Go to the Profiles Page Move the cursor down the Main Page to Go to Profiles then press the gt key Choose Delete or Re Name e Press Aor Y to scroll through your choice e Press gt to select your choice The controller will prompt you to select the profile you want to delete or re name Main Page gt Go to Profiles Go to Setup Go to Factory lt H gt Main gt Profile Edit Profile gt Delete Profile Re Name Profile gt Page 4 8 TestEquity 107 Temperature Chamber Chapter 4 Temperature Controller
63. urement when compared to a standard The controller display accuracy is 1 55 C However the total measurement accuracy in the chamber includes the thermocouple sensor wire accuracy Thermocouple wire accuracy is 1 C or 0 75 of reading whichever is greater Therefore total system accuracy over the chamber s operating range can be as much as 2 55 C although the typical accuracy is often better than 1 0 C Can I operate or transport the chamber on its side No the chamber can only be operated or transported in the upright position Operating or transporting the chamber on its side will cause permanent damage to the refrigeration system and void the warranty I m not going to use the chamber for a while Is there anything I should do to prepare it for storage Perform ALL the steps in the Preventive Maintenance Schedule before placing the chamber into storage This will ensure that the chamber will be ready to operate when it is taken out of storage If the chamber has a problem and is still under warranty these problems should be resolved before being placed into storage since the warranty period starts from the date of shipment The chamber should be stored in a conditioned environment Do not store it outside or where it will be subjected to dirt or excessive moisture I haven t used the chamber for a while Is there anything I should do to prepare it for operation Perform ALL the steps in the Preventive Maintenance Schedul
64. urns the refrigeration system on or off as required based on the deviation from temperature set point Summary of Chamber Operation 1 Turn the POWER Switch ON 2 Enter the desired temperature set point on the Temperature Controller 3 Load your test sample in the chamber 4 Turn the TEMP Switch ON Alternatively turn the TEMP Switch to the EVENT 1 position and turn EVENT 1 on the F4 controller ON Front Panel Switches POWER Switch The POWER Switch controls power to the entire chamber The POWER Switch illuminates when it is ON TEMP Switch ON Mode The TEMP Switch enables all chamber functions When the TEMP Switch is OFF and the Power Switch is ON only the Temperature Controller and Limit Controller is operational When both the TEMP and POWER Switches are ON the chamber s temperature conditioning system will function to maintain the temperature set point The TEMP Switch illuminates when it is ON TEMP Switch EVENT 1 Mode When the TEMP Switch is in the EVENT 1 position you can enable and disable all chamber functions through Event 1 Digital Output 1 of the F4 Temperature Controller When the TEMP Switch is in the EVENT 1 position and Event 1 is Off all chamber functions are disabled If Event 1 is On all chamber functions are enabled as long as the Power and Temp switches are also On See page 4 14 for instructions on how to control the events in manual mode In profile mode Event 1 is named TEMP CAUT
65. utes Time will not start until chamber reaches 37 C within the 3 Guaranteed Soak Band Goes to 85 C as quickly as possible Will hold for 30 minutes Time will not start until chamber reaches 82 C within the 3 Guaranteed Soak Band Jumps back to step 2 Repeats this 3 times for a total of 4 cycles End of program Controller returns to a 23 C manual set point Test sample is remains OFF via Event 1 Notes Guaranteed Soak Band is set at the factory for 3 0 C Can be changed in the System Menu Means no entry or selection is required Just scroll through this prompt to the next prompt Means prompt does not show for this step type 23 0 TestEquity 107 Temperature Chamber Page 4 10 Chapter 4 Temperature Controller set point Turn chamber off at end of profile NOTE The TEMP Switch must be in the EVENT 1 50 C to 0 C 1 C minute ramp 1 hour soak time 100 cycles End with return to 23 C manual position to turn the chamber On Off in a profile Profile Example 2 Step Step Date Choose Digit Out Time Chi PID Guar Jump to End Idle Number Type Day Time Waitfor TEMP 2 3 4 5 H M S Rate Set Soak Profile Step Repeats Type SP Ramp Time gt On gt 00 00 01 No Ramp Rate On No Soak On 01 00 00 Ramp Rate On Soak On 01 00 00 Jump gt Ramp Rate On Soak 00 00 01 End Idle 23 0 VVVVV VV VVVVVV VV VVVVVV VV VVVVVV VV VVVVVVV VS VVVVVVVV S OANIADUNAHRWN H
66. while the right display will show the Low Limit Set Point Resetting a Limit Condition If either the High or Low Limit is exceeded the Limit Controller will flash either or respectively in the right display It will also shut down all chamber functions The Limit Controller cannot be reset until the temperature returns to within the limit set points Then you must press the Reset Key to resume normal operation Page 5 2 TestEquity 107 Temperature Chamber Chapter 6 Frequently Asked Questions Chapter 6 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 You should not place the test sample directly on the chamber floor It should be placed on the shelf 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 Test
67. 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 Electrical Parts Temperature Controller Relays Fuse Heat Limiter Circulator Motor Fan Switch Refrigeration Parts Solenoid Valve Capillary Tube Expansion Valve Condensing Unit Major Electrical Parts Description Mfr Mfr Part No Ref Part Qty UOM Arc Suppressor ITW Paktron 104M06QC100 ASI 2 3 200115 3 ea Circulator Motor CUSTOM 200280 FMI 200280 1 ea Contactor 1P 30A Hartland Controls HCC 1XT02AA C1 2 200237 2 ea Fuse 3 10A Bussman MDL 3 10 Fl 200130 1 ea Heater Air CUSTOM 200132 HT1 200132 1 ea Limit Controller Watlow SD3L HJAA AARG TCR2 200195 1 ea Line Cord 14 3 SJT Carol W1950 70 01 200135 1 ea Relay SPDT Omron G2R 1 T AC120 CRI 200160 1 ea Solid State Relay 10A 24VDC In Omron G3NE 210T US DC24 SSR1 200177 1 ea Solid State Relay 10A 5VDC In Omron G3NE 210T US DCS SSR2 3 200129 2 ea Switch SPST Rocker Carlingswitch LRA211 RA B 125N SW1 200023 2 ea Switch SPDT On Off On Rocker Carlingswitch RC911 RA B O N XLR1 SW2 200275 1 ea Temperature Controller Watlow F4SH CKAO0 01AE TCRI 200001 1 ea Major Refrigeration Parts Description Mfr Mfr Part No Ref Part Qty UOM Accumulator CUSTOM CUSTOM 9 100313 1 ea Capi

Model 107 Temperature Chamber Operation and Service Manual

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