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With F4 Controller and EZ-Zone Limit

1. Series F4 Controller Setup Parameters ZA CAUTION The Series F4 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 A 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 F4DH KKKK 01 as described on page A 7 of the Series F4 User s Manual are applicable Cascade Control as described on page 3 6 of the Series F4 User s Manual is not applicable in this configuration The Retransmit function is available as an option ZA CAUTION The Series F4 alarms are not used The independent EZ Zone Limit Controller functions as the main system and product 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 reconfigur
2. N CAUTION The Series F4 alarms are not used The independent EZ Zone Limit Controller functions as the main protection device CAUTION The Series F4 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 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 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 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 Controller setup values
3. Custom Main Page Main Page Go to Setup Custom Main Page P1 Input 2 P2 Current File P3 Current Step P4 Set Point 1 P5 Set Point 2 P6 Step Type P7 Target SP1 P8 Target SP2 P9 Wait For Status P10 Jump Count P11 Time Remaining P12 Power 1 P13 Power 2 P14 Time P15 Date P16 Custom Message 1 Process Display Menu Main Page Go to Setup Process Display Choose Input 1 only Static Message Menu Main Page Go to Setup Static Message Message 1 TESTEQUITY 200H Page 8 14 TestEquity 200H Series Temperature Humidity Chamber Chapter 8 Maintenance Series F4 Operations Parameters PID Set Channel 1 Main Page Go to Operations Edit PID PID Set Channel 1 PID Set 1 5 Proportional Band A 5 0 C 9 0 if F PID Set Channel 2 Main Page Go to Operations Edit PID PID Set Channel 2 PID Set 6 10 Proportional Band A 20 0 Reset A 0 20 min Reset A 0 05 min Rate A 0 05 min Rate A 0 20 min Dead Band A 0 0 C Dead Band A 0 0 Hysteresis 0 0 Hysteresis 0 0 Proportional Band B 5 0 C 9 0 if F Proportional Band B 20 0 Reset B 0 20 min Reset B 0 05 min Rate B 0 05 min Rate B 0 20 min Dead Band B 0 0 Dead Band B 0 0 Hysteresis 0 0 Hysteresis 0 0 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 Profile menus have Full Access The
4. 20 C If the chamber fails any of these tests it should be removed from service to prevent further damage until the cause of the problem is determined and resolved The chamber interior should be empty and at ambient temperature approximately 23 C Turn ONLY the Power Switch ON The Humidity Switch must be OFF 3 Set the F4 Controller SP1 to 85 C Set the F4 Controller SP2 to OFF Then turn the Conditioning Switch ON 4 The chamber should heat up to about 80 C and begin controlling F4 1A light cycles ON OFF within approximately 12 minutes 5 The chamber temperature should slowly increase and stabilize to 85 C It should NOT overshoot beyond 85 C by more than a few tenths of a degree and the compressor should NOT need to turn ON in order to maintain 85 C 6 After stabilization the chamber temperature should vary no more than 0 3 C or a total of 0 6 C 7 Let the chamber stay at 85 C for two hours 8 After two hours at 85 C set the F4 Controller SP1 to 20 C The compressor should turn ON within a few seconds 10 The chamber should cool down to 15C within approximately 50 minutes 11 The chamber temperature should slowly decrease and stabilize to 20 C It should NOT undershoot beyond 20 C by more than 1 0 C and the compressor should NOT need to turn OFF in order to maintain 20 C 12 After stabilization the chamber temperature should vary no more than 0 5 C or a total of 1 C
5. Autotune PID menu is hidden because this function should never be used as it will result in erratic performance 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 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 or access to the Factory page to perform a calibration 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 Menu Lock Set Point Full Access Oper Autotune PID Hidden Oper Edit PID Password Oper Alarm SP Hidden Profile Full Access Setup Password Factory Password TestEquity 200H Series Temperature Humidity Chamber Page 8 15 Chapter 8 Maintenance EZ Zone Limit Controller Setup Parameters ZA CAUTION The EZ Zone Limit Controller has been properly configured by TestEquity to match the chamber s system requirements 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 Setup
6. 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 resumed 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 1 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 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 even higher if your test sample is energized See Protecting an Energized Test Sample in Chapter 5 for important information regarding energized test samples How to Delete or Re Name a Profile 1 Go to the Profiles Page Move the cursor down the Main Page to Go to Profiles then press the key Main Page gt Go to Profiles Go to Setup Go to Factory lt H gt 2 Choose Delete or Re Name e Press Aor Y to scroll
7. in the upper display and in the lower display alternating with the actual chamber temperature in the upper display and in the lower 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 or EZ Key to resume normal operation Page 5 2 TestEquity 200H Series Temperature Humidity Chamber Chapter 6 Frequently Asked Questions Chapter 6 Frequently Asked Questions I need to send the chamber outside North America Will it work with their power Outside North America most countries have 50 Hz Nominal voltages in are typically 220 V to 240 V You CANNOT simply step the voltage down to 120 V because the compressor have a 50 Hz rating of 100 V nominal 95 V min to 110 V max 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 additional shelves should be used to evenly distribute the load You can det
8. 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 Input 2 The actual chamber workspace humidity RH 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 SP2 Static manual humidity 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 Target SP2 Displayed if running a profile the target humidity during a ramp step WaitFor Status Displayed if running a profile the status during a WairFor 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 Power The of throttle of the heat number or cool number output Power2 The of throttle of the humidity number or dehumidify number output Date Real time clock date Time Real time clock time TESTEQUITY 200H Identifies the chamber series 200H Series 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
9. upper display gt Up Down Keys O rw When in a menu scrolls through available options for any given prompt In other menus can change set points and modify the upper display to a higher or lower value EZ Key RESET Key Advance Key Resets the limit after a Returns to the Home Page or Advances through the trip condition has cleared Resets the limit after a trip parameter prompts condition has cleared Figure 5 1 Limit Controller Keys and Displays How to Set the High and Low Temperature Safety Limits 1 Press the O key once to get the prompt in the lower display This is the Low Limit Set Point prompt 2 Press the Aor Y key to enter the desired Low Limit Set Point in the upper display Make sure it is lower than your actual chamber temperature set point and at least below room temperature to prevent nuisance tripping 3 Press the O key once again to get the prompt in the lower display This is the High Limit Set Point prompt 4 Press the Aor Y key to enter the desired High Limit Set Point in the upper display Make sure it is higher than your actual chamber temperature set point to prevent nuisance tripping 5 Press the RESET Key to return to the Home Page The upper display will show the actual chamber temperature while the lower display will show as long as the limits are not exceeded Resetting an Out of Limit Condition If the limit is exceeded the Limit Controller will flash high limit or low limit
10. 13 Set the F4 Controller SP1 to 23 C The chamber should begin to heat up The compressor should turn off within approximately 5 minutes 14 This concludes the chamber performance verification tests 15 Let the chamber heat up to 23 C before turning the Conditioning Switch OFF Page 8 4 TestEquity 200H Series Temperature Humidity Chamber Chapter 8 Maintenance How to Verify the Performance Controlled humidity mode These tests verify the performance of the heating single stage refrigeration mode humidification electrical controls F4 Controller and air circulation systems The chamber should meet all published performance specifications for controlled humidity conditions if all of these tests are successfully passed These tests assume that the F4 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 If the chamber fails any of these tests it should 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 There must be distilled or demineralized water in the water tank on top of the chamber Alternatively the chamber must be connected to a source of filtered and regulated water 2 Set the F4 Controller SP1 to 85 0 C and SP2 to 85 0 RH Turn the
11. 200H Series Temperature Humidity Chamber Chapter 8 Maintenance How to Inspect the Refrigeration Machinery Compartment WARNING Wear safety goggles when inspecting the machinery compartment to protect against a refrigerant line which could break Unplug the chamber from the power source Remove the left side when facing the front panel The refrigeration machinery compartment can also be viewed from the back of the chamber Inspect for signs of water leaks 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 RAN A DE Inspect for signs of insect or rodent infestation Yes it does happen TestEquity 200H Series Temperature Humidity Chamber Page 8 3 Chapter 8 Maintenance How to Verify the Performance Non controlled humidity mode These tests verify the performance of the heating cascade refrigeration mode electrical controls F4 Controller and air circulation systems The chamber should meet all published performance specifications for non controlled humidity conditions if all of these tests are successfully passed These tests assume that the F4 Controller s setup and tuning values have not been changed from the values as shipped from TestEquity Also the EZ Zone Limit Controller high limit must be set to over 85 C 88 C would be fine and the low limit set to
12. Access Ports 4 Port on left side Supplied with a foam port plug Sound Level 62 dBA A weighted measured 36 from the front Weight 201H 520 lbs 205H 750 lbs 210H 850 lbs NOTE Performance is typical and based on operation at 23 C 73 F ambient and nominal input voltage Designed for use in a normal conditioned laboratory Operation at higher ambient temperatures may result in decreased cooling performance Additional ports and shelves will also affect performance Operation above 30 C 85 F or below 16 C 60 F ambient is not recommended TestEquity 200H Series Temperature Humidity Chamber Page 7 1 Chapter 7 Specifications F4 Controller Specifications Specifications as configured for the TestEquity 200H Series Chamber Accuracy amp Sensor Conformity Ambient Temperature Stability Digital Inputs Retransmit Outputs Optional Alarm Outputs Digital Outputs Communications Safety amp Agency Approvals Displays Data Retention Page 7 2 26 0 05 C C rise in ambient Four Contact closure or de voltage 10 kQ impedance Two User selectable ranges 0 to 10 VDC 0 to 5 VDC 1 to 5 VDC 0 to 20 mA 4 to 20 mA Two Electromechanical relay Form C 2 A 20 VDC or 240 VAC max 7 available for customer use Open collector output OFF 42 VDC Y 10 uA max ON 0 2 VDC 50 mA sink max Internal supply 5 VDC 80 mA EIA 232 and EIA 485 serial communications with Modbus RTU protoco
13. Conditioning Switch and the Humidity Switch ON 3 The Humidity Switch Light should be ON continuously 4 The chamber should heat up to about 80 C and begin controlling within 13 minutes 5 The chamber temperature should slowly increase and stabilize to 85 C It should NOT overshoot beyond 85 C by more than 1 0 C 6 The chamber humidity should begin to increase within approximately 5 10 minutes after the test begins Then the humidity should increase to 75 RH and the begin controlling Humidity Switch Light cycles ON OFF 7 After stabilization the chamber temperature should be 85 0 C 0 5 C The humidity should be 85 0 RH 3 8 Next change SP1 to 50 0 C Leave SP2 at 85 0 RH 9 The compressor should turn ON The temperature and humidity will begin to drop 10 The chamber should cool down to about 55 C and begin controlling within a short time 11 The chamber temperature should decrease and stabilize to 50 C It should NOT undershoot 50 C by more than 2 C and the compressor should NOT need to turn OFF in order to maintain 50 C After stabilization the chamber temperature should be 50 0 C 0 5 C or a total of 1 C It may take approximately 45 minutes for the humidity to stabilize at 85 0 3 0 RH 12 Next change SP2 to 50 0 RH Leave SP1 at 50 0 C 13 The Humidity light will be OFF The chamber humidity should go down to about 60 RH fairly quickly It may take approximately 15 additional minutes to
14. Day Time Wait for H M S SP SP Chi Ch2 Ch Ch2 Profile Step Repeats Type Ch1 Ch2 1 Ramp Time gt 00 00 01 0 0 95 1 6 No No 2 Soak gt 00 30 00 95 6 Yes No 3 Ramp Time gt 00 00 01 85 0 95 1 6 No No 4 Soak gt 00 30 00 95 1 6 Yes No 5 Jump gt Name 1 3 6 Ramp Time gt 00 00 01 23 0 95 1 6 Yes No 7 Ramp Time gt 00 00 01 23 0 95 1 6 No No 8 End Idle 23 0 50 NOTE Setting the humidity for 50 RH ensures that and residual condensation does not cause the humidity to reach and unacceptable high level The Humidity Switch disables the humidifier but it does not disable the dehumidification system Step Description Goes to 0 C as quickly as possible Will hold for 30 minutes Time will not start until chamber reaches 3 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 1 Repeats this 3 times for a total of 4 cycles Goes to 23 C as quickly as possible Time will not start until chamber reaches 26 C within the 3 Guaranteed Soak Band Turns the chamber off End of program Controller returns to a 23 C manual set point IDU un 50 C to 0 C 2 C minute ramp uncontrolled humidity 1 hour soak times 100 cycles total end with a 23 C set point HUMIDITY SWITCH MUST BE OFF Step Step Dat
15. ESI EQUITY 200H Series Temperature Humidity Chambers Operation and Service Manual TestEquity LLC 6100 Condor Drive Moorpark CA 93021 Support 877 512 3457 Toll Free 805 480 0638 Corporate 800 732 3457 805 498 9933 http www testequity com Copyright 2012 TestEquity LLC Rev 0 1 9 19 2012 Table of Contents Chapter 1 Safety Instructions Introduction Installation Safety Notices Operation Safety Notices Chapter 2 Installation Uncrating Preparation For Use Installation Location Input Power Humidity Water System Water Recirculation System Water Requirements Water Recirculation System Filter Cartridge Replacement Plumbed Water Installation 2 4 Chapter 3 Operation Introduction Summary of Chamber Operation Front Panel Switches and Lights Power Switch 3 1 3 1 3 2 3 2 Conditioning Switch 3 2 Humidity Switch 3 2 Loading the Chamber Performance Considerations 3 3 3 3 Port Plug 3 4 Avoiding Moisture non humidity mode 3 4 Internal Test Fixtures 3 4 Humidity Operation Humidity Range 3 5 Humidity Considerations 3 5 Chapter 4 F4 Temperature Humidity Controller Introduction Security Features 4 1 4 1 4 1 F4 Controller Keys and Displays Main Page 4 2 4 3 Static Set Point Control Manual Operation 4 4 Profile Programming Step Types 4 5 4 5 How to Program a New
16. Press the Aor Y to scroll through the number of gt Step 2 Soak the step that the new step will precede Step 3 Ramp Time Press to enter the new step and follow the step parameter prompts 7 To delete a step Delete Step __ e Choose Delete Step see step 4 above Step 1 Ramp Time e Press the Aor Y to scroll through the number of gt Step 2 Soak the step you want to delete Step 3 Ramp Time e Press to delete the step 8 Save your settings Save profile data e Press successively to exit the Profiles Page or restore values After exiting the Profiles Page choose A to save v Restore A Save the new profile values or Y to restore the old values NOTE e Inserting or deleting a step will renumber all steps that follow e A Jump Step that jumps to an End Step cannot be deleted e An End Step cannot be deleted e Inserting a new ramp step usually requires inserting an associated soak step e Deleting a ramp step usually requires deleting the associated soak step Page 4 10 TestEquity 200H Series Temperature Humidity Chamber Chapter 4 F4 Temperature Humidity Controller Temperature Profile Examples The following are examples of two typical temperature only profiles uncontrolled humidity 0 C to 85 C uncontrolled humidity no ramps 30 minute soak time 4 cycles Ends with 23 C set point HUMIDITY SWITCH MUST BE OFF Step Step Date Chi Ch2 PID Set Guar Soak Jump to End Idle SP Number Type
17. Profile 4 7 Programming Hints 4 8 Profile Key 4 8 How to Start a Profile 4 8 How to Hold Resume a Running Profile 4 9 How to Terminate a Running Holding Profile 4 9 How to Delete or Re Name a Profile 4 9 How to Edit a Profile Temperature Profile Examples Humidity Profile Examples Operations Page Setup Page Factory Page Computer Interface RS 232C Common Modbus Registers GPIB optional Ethernet optional 4 10 4 11 4 12 4 13 4 13 4 14 4 14 4 14 4 14 4 14 4 14 Table of Contents Chapter 5 Limit Controller 5 1 Introduction 5 1 Limit Controller Keys and Displays 5 2 How to Set the High and Low Temperature Safety Limits 5 2 Resetting an Out of Limit Condition 5 2 Chapter 6 Frequently Asked Questions 6 1 Chapter 7 Specifications TI Model 200H Series Chamber Specifications 7 1 F4 Controller Specifications 7 2 Chapter 8 Maintenance SS Preventive Maintenance Intervals 8 1 Daily or As Needed 8 1 Every 6 Months 8 1 Every 12 Months 8 1 Maintenance Procedures 8 2 How to Clean the Chamber Interior and Exterior 8 2 How to Listen for Abnormal Noise or Vibration 8 2 How to Inspect the Door Seal 8 2 How to Inspect the Refrigeration Machinery Compartment 8 3 How to Verify the Performance Non controlled humidity mode 8 4 How to Verif
18. a low water condition Another self resetting thermostat provides additional protection Refrigeration System Cooling and dehumidification is accomplished by a single stage refrigeration system The compressor will turn on automatically if cooling or dehumidification is required A time delay relay will turn the compressor off is there is no demand for cooling or dehumidification after a five minute delay Cooling is accomplished through the Cap Tube A and the finned evaporator coil inside the chamber The F4 Controller cycles the evaporator solenoid valve on off to control the chamber temperature Dehumidification is accomplished through a bare tube dehumidify coil inside the chamber The F4 Controller cycles the dehumidify solenoid valve on off to control the amount of dehumidification Cap Tube B injects liquid refrigerant into the suction line to cool the suction return gas within safe limits Cap Tube C acts as a capacity control device to improve humidity control when cooling or dehumidification is required Pressure Switch HPCO protects the compressor in the event of high pressure due to excessive ambient temperature a dirty condenser or failure of the condenser fan motor This switch is self resetting TestEquity 200H Series Temperature Humidity Chamber Page 8 9 Chapter 8 Maintenance Troubleshooting Temperature Troubleshooting SYMPTOM CONDITION CAUSES Does not heat up at all If F4 Controller l
19. does NOT filter the water before it feeds the chamber This is why the water reservoir MUST be pre filled with Distilled or Demineralized Water Humidity Chambers are designed for demineralized water consumption Demineralizer cartridges reduce the ion concentration of water to a level obtainable by single distillation The cartridge removes essentially all ionizable constituents with the exception of silica and free carbon dioxide This produces water which is ideal for humidity systems If the only water available in the facility is city water it needs to be filtered through a demineralizer cartridge before entering the chamber The longevity of the demineralizer cartridge depends on how hard your city water is One cartridge will typically last anywhere from a month to six months depending on how hard the water is and how often the chamber is being used The demineralizer cartridge will change color when it needs to be replaced DO NOT FILL THE WATER TANK WITH DOUBLE DISTILLED OR TRIPLE DISTILLED WATER OR ANY OTHER FORM OF ULTRA PURE WATER DO NOT FILL THE WATER TANK WITH UNFILTERED TAP WATER TestEquity 200H Series Temperature Humidity Chamber Page 2 3 Chapter 2 Installation Water Recirculation System Filter Cartridge Replacement The demineralizer filter cartridge must be replaced when it is used up The color of the cartridge changes gradually to yellow amber from the top to the bottom through continued use The cartridge should
20. is not applicable in this configuration The Retransmit function is available as an option The Series F4 alarms are not used The independent EZ Zone Limit Controller functions as the main system and product protection device The Series F4 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 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 Controller Setup Parameters section of this manual The EZ Zone 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 The correct values are documented in the EZ Zone Limit Controller Setup Parameters section of this manual Always verify that the Limit Controller s high and low lim
21. 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 e Wait for an event or process value e Event outputs 1 through 7 to turn ON or OFF For controlling the chamber functions or power to remote devices e Time in hours minutes and seconds e Temperature Set Point e PID set One of five sets of PID parameters for Chl and Ch2 Normally just leave Chl at PID Set 1 and Ch2 at PID Set 6 e Guaranteed Soak 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 chamber functions or power to remote devices e Time e PID set One of five sets of PID parameters for Chl and Ch2 Normally just leave Chl at PID Set 1 and Ch2 at PID Set 6 e Guaranteed Soak TestEquity 200H Series Temperature Humidity Chamber Page 4 5 Chapter 4 F4 Temperature Humidity Controller 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 th
22. through your choice Press to select your choice e The controller will prompt you to select the profile you want to delete or re name Main gt Profile__ Edit Profile Delete Profile Re Name Profile mu TestEquity 200H Series Temperature Humidity Chamber Page 4 9 Chapter 4 F4 Temperature Humidity Controller How to Edit a Profile Go to the Profiles Page Move the cursor down the Main Page to Go to Profiles then press the key Main Page gt Go to Profiles Go to Setup Go to Factory 2 Choose Edit Profile Main gt Profile _ e Press the W key to choose on Edit Profile Create Profile Then press the gt key Edit Profile Delete Profile 3 Select the desired stored profile to edit Edit Profile e Press the Aor Y to scroll through the list of Profilet stored profiles gt Profile2 e Press to select the desired profile Profile3 4 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 to select your choice Delete Step Done 5 To edit a step Edit Step a 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 6 To insert a step Insert Before e Choose Edit Profile see step 4 above Step 1 Ramp Time e
23. 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 200H Series Temperature Humidity Chamber Page 4 1 Chapter 4 F4 Temperature Humidity Controller F4 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 Upper Display Displays actual chamber temperature Output during operation Displays error Indicator Lights information if errors occur 1A Heat 1B Cool 2A Humidity Main Page Go to Profiles Go to Setup Go to Factory 2B Dehumidity Alarm Output Indicator Lights Lit during an alarm state function is not active in this model chamber Communications Indicator Light Lit pulsates when the controller sends or receives valid data Scroll Bar Appears when the Up or Down Keys can reveal more information in the Lower Display a static set point controller Profile Key Information Key Left and Right Keys Up and Down Keys Summons a menu that Provides information Move right to select the Move the cursor position in the allows you to start
24. were changed If tuning PID control parameters in F4 Controller are as shipped from TestEquity If tuning PID control parameters in F4 Controller are as shipped from TestEquity and only occurs in cool mode Re enter values as shipped from TestEquity Control parameters may need to be changed for your unique test conditions Evaporator solenoid valve may be defective this would cause wild variations in temperature Page 8 10 TestEquity 200H Series Temperature Humidity Chamber Chapter 8 Maintenance Humidity Troubleshooting SYMPTOM CONDITION CAUSES Humidity does not work 1 Humidity switch is ON 1 Humidity system was run without water Fill the water tank with distilled or demineralized water press the manual reset button on the humidifier thermostat See 2 Temperature is over 87 C or picture below under 7 C 2 Humidity system is disabled at these temperature conditions Humidity does not get as low 1 Humidity switch is ON 1 See chart for Achievable Range Temperature is between 10 C of Temperature Humidity as programmed prog and 85 C Conditions to verify that these conditions are within range Lowest levels of humidity may require the test to be started with a clean and dry chamber Humidity does not get as 1 Humidity switch is ON 1 See chart for Achievable Range high as programmed Temperature is between 10 C of Temperature Humidity 8 prog and 85 C Conditions
25. 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 Page 3 4 TestEquity 200H Series Temperature Humidity Chamber Chapter 3 Operation Humidity Operation Humidity Range This chamber is capable of controlling humidity from 10 RH to 95 RH Over the range of 10 C to 85 C limited by a 6 C dewpoint The maximum humidity derates linearly from 95 to 85 over 60 C The lowest possible humidity varies depending on the temperature and is limited to a 6 C dewpoint For example 44 C is the lowest temperature that can achieve 10 RH Achieving low humidity levels require you to start with a clean dry chamber Below is a chart that shows the achievable range of humidity as compared to temperature 100 90 80 70 60 50 40 30 20 10 0 Relative Humidity RH Achievable Range of Temperature Humidity Conditions Humidity Considerations To protect the chamber the F4 Controller will disable the humidity system below 7 C and above 87 C If the chamber is outside this temperature range chamber will operate as though the Humidity Set Point was OFF It takes approximately two minutes for the humidifier to fill to the correct level after the water supply is initially connected to an empty system If you attempt to run the humidity system before the humidifier is filled then the humidifier thermo
26. 0 Drawings Chapter 10 Drawings TestEquity 200H Series Temperature Humidity Chamber Page 10 1
27. 2 Installation Uncrating Inspect the shipping container for any signs of visible damage Notify the carrier and TestEquity immediately if there are signs of shipping damage The pallet is designed with ramps so the chamber can be rolled off without the need for a forklift or pallet jack Cut the two metal bands that hold the packaging to the pallet 1 2 Remove the top cover 3 4 Locate the retainer in the front of the pallet Remove the two screws then remove the Remove the plastic fasteners that hold the outer box together and remove the outer box retainer Carefully lift the chamber off the pallet onto the ramps This should be done with at least four people Preparation For Use IE A Inspect the chamber for signs of shipping damage Read this entire manual Select a suitable location to install the chamber Connect to the correct power source Fill the water tank with single distilled or demineralized water Perform following the procedures as described in the Preventive Maintenance section a Inspect the electrical compartment b Inspect the refrigeration machinery compartment e Verify the chamber performance TestEquity 200H Series Temperature Humidity Chamber Page 2 1 Chapter 2 Installation Installation Location The chamber will produce a significant amount of heat during normal operation Locate the chamber in a room with adequate ventilation to prevent excessive heat build up The ch
28. ION 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 DIRECTLY into a properly grounded and polarized receptacle Due to high current demand on start up use of an extension cord is NOT recommended CAUTION The minimum clearance you should allow for proper ventilation around the chamber must be at least 12 from the rear ZA 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 200H Series Temperature Humidity Chamber Page 1 1 Chapter 1 Safety Operation Safety Notices Al CAUTION AX CAUTION IN CAUTION CAUTION IN CAUTION AX CAUTION IN CAUTION IN CAUTION IN WARNING Page 1 2 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 F4DH KKKK 01 as described on page A 7 of the Series F4 User s Manual are applicable Cascade Control as described on page 3 6 of the Series F4 User s Manual
29. Menu Prompt Function Setting Alternate Setting i of Lockout Menu See NOTE 1 below SEn Sensor Type C Do Not Change L n Linearization Ej Do Not Change gEL Decimal 0 Alt 0 0 C_F Cor F O At P rL o Range Low 25 Do not make any lower r h Range High 180 Do not make any higher Fag Output 2 Function _ P 9 Do Not Change L da Limit Sides both Alt high High only or LoW Low only L h Y Limit Hysteresis ce Change not recommended ALY Alarm Type oFF Do Not Change PAr_I Upper Display ACP Alt none PAr e Lower Display LSE Alt Lh s High Set Point or LL S Low Set Point Ad 5 Zone Address 1 Not functional for this application NOTE 1 The Lockout Menu sets the security clearance level as follows i Operations Menu read only e Operations Menu set point read write 3 Operations Menu set point read or write same as level 2 4 Operations Menu full access read write required to access Calibration Offset below S Operations Menu and Setup Menu full access required to access Setup Menu and Calibration Offset below Operations Menu Prompt Function Setting Alternate Setting Low Set Point Appropriate Low Limit Set Point High Set Point Appropriate High Limit Set Point Calibration Offset Calibration Offset as required see NOTE 2 below NOTE 2 LoC parameter in Setup Menu must be set for 4 or 5 to access the Calibration Offset parameter Page 8 16 TestE
30. amber generates a heat load of up to 5 000 btuh during a continuous cool down from a high temperature The chamber must be on a solid and level surface Allow enough space around the chamber to permit serviceability and the removal of the service access panels which are located on each side and the rear There are two leveling legs on the front of the chamber The chamber must be tiled slightly to the rear to ensure proper water drainage ZA CAUTION The minimum clearance you should allow for proper ventilation around the chamber must be at least 12 from the rear 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 Input Power Model 201H 120 V nominal 110 to 126 VAC 60 Hz 1 PH Max Current 18 A Recommended Minimum Service 20 A dedicated line Supplied with NEMA 5 20P Plug Required receptacle shown here a Model 205H and 210H 120 V nominal 110 to 126 VAC 60 Hz 1 PH Max Current 25 A Recommended Minimum Service 30 A dedicated line Supplied with NEMA L5 30P Plug Required receptacle shown here Page 2 2 TestE quity 200H Series Temperature Humidity Chamber Chapter 2 Installation Humidity Water System A CAUTION The humidity system must be supplied with single distilled or demineralized water having a specific resistance of 50 000 to 100 000 Q cm 20 to 10 usiemens
31. are applicable CAUTION The EZ Zone 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 The correct values are documented in the EZ Zone Limit Controller Setup Parameters section of this manual CAUTION Always verify that the Limit Controller s high and low limits are set to temperatures that are appropriate for your test sample 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 TestEquity 200H Series Temperature Humidity Chamber Page 5 1 Chapter 5 Limit Controller Limit Controller Keys and Displays Temperature Units Indicator Indicates whether the temperature is Upper Display displayed in Fahrenheit or Celsius Indicates the actual chamber temperature or displays the value of the parameter in the lower display EZ ZONE Output Indicator Lit when the limit setting is exceeded Only light 2 is applicable for this configuration Lower Display Indicates SAFE during normal operation or FA Lin an out of limit condition or the parameter whose value appears in the
32. be replaced when the pellets have changed color down to a few inches from the bottom of the filter Replacement cartridges are available from TestEquity part number TE 0011 for a carton of 6 cartridges To replace the filter cartridge remove the protective end caps from the new cartridge Detach the two washers that are taped to the cartridge and place one washer on the top of the cartridge and then push the washer and cartridge into the upper fitting Make sure there is not already a washer in the fitting that is remaining from the previous cartridge While holding the cartridge in the top fitting place the second washer in the lower fitting and slide the bottom of the cartridge into place Tighten the adjusting nut on the lower fitting to firmly hold the cartridge in the bracket Only moderate tightening should be necessary to prevent leakage Plumbed Water Installation The chamber can be modified to be connected directly to a pressurized source of water If you want to connect the chamber directly to a city water line you must use a demineralizer filter You must regulate the water inlet pressure to no more than 30 PSI The water inlet needs to be connected to the chamber s water leveler The water leveler is a clear plastic assembly with a float valve on the rear left side of the chamber Remove the line that is currently connected from the water leveler the water tank located on the top of the chamber and connect your filtered and regulate
33. ccurate 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 F4 Controller uses a thermocouple control sensor which is located in the discharge airflow 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 4 C and 10 5 C This corresponds to 0 4 C and 0 5 C or a total of 0 9 C of RELATIVE variations These specifications are for an empty chamber The addition of a test sample may affect the control variations In some instances the test sample will reduce these variations 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 3 away from the chamber interior walls after stabilization 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
34. cm Pure water above 1 0 M Q cm attacks metals in the humidity system and drastically reduces the life of the humidity system The use of unfiltered tap water or ultra pure water will damage the humidity system and chamber interior and will void the warranty Water Recirculation System The water recirculation system provides a source of water for the humidity system The chamber does not need to be connected to a water supply or drain Condensate waste water from the chamber collects into a condensate pump When the water level in the pump reaches a predetermined level the pump is activated Water is then pumped into a demineralizer cartridge and then returned back to the water tank The demineralizer cartridge does NOT filter the water before it feeds the chamber This is why the water reservoir MUST be pre filled with Distilled or Demineralized Water All water connections should be finger tight only do not use a wrench Water Requirements Fill the water tank with supermarket grade distilled water This is available in gallon containers at all supermarkets Make sure the container is labeled as Distilled Water Do not confuse containers that are labeled as Distilled Water with Drinking Water Spring Water or Filtered Water The label must say Distilled Water The built in water recirculation system has a demineralizer cartridge which filters the condensate water before it returns to the water tank It
35. d 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 TestEquity 200H Series Temperature Humidity Chamber Page 4 11 Chapter 4 F4 Temperature Humidity Controller Humidity Profile Examples The following are examples of two typical temperature humidity profiles 30 C and 65 RH 2 hour soak time 25 C and 60 RH 2 hour soak time 2 cycles Ends with 23 C and 50 RH set point HUMIDITY SWITCH MUST BE ON Step Step Date Chi Ch2 PID Set Guar Soak Jump to End Idle SP Number Type Day Time Wait for H M S SP SP Chi Ch Chi Ch2 Profile Step Repeats Type Ch1 Ch2 1 Ramp Time gt 00 00 01 30 0 65 1 6 No No 2 Soak gt 02 00 00 6 No Yes 3 Ramp Time gt 00 00 01 25 0 60 1 6 No No 4 Soak gt 00 30 00 1 6 No Yes 5 Jump gt Name 1 1 6 End Idle 23 0 50 Step Description Goes to 30 C 65 RH as quickly as possible Will hold for 2 hours Time will not elapse until humidity is between 60 and 70 RH 5 RH guaranteed soak band Goes to 25 C 60 RH as quickly as possible Will hold for 2 hours Time will not elapse until humidity is between 55 and 65 RH 5 RH guaranteed soak band Jumps back to step 1 Repeats 1 times for a total of 2 times End of program Controller returns to a 23 C and 50 RH manual
36. d water source to this line The water leveler will fill as required to maintain the proper water level in the humidifier The water drain will come from the internal condensate pump Remove the existing line from the top of the filter cartridge This line is the chamber drain which must empty into a gravity fed drain in your building Page 2 4 TestEquity 200H Series Temperature Humidity Chamber Chapter 3 Operation Chapter 3 Operation Introduction The Front Panel Switches control power to the chamber The Front Panel Lights provide indication of heat and cool functions The EZ Zone Limit Controller is a protection device It turns the chamber OFF if the workspace temperature exceeds either a high temperature or low temperature limit set point The F4 Controller controls the temperature and humidity of the chamber It can function as either a single set point controller or as a programmable profile controller The F4 Controller automatically turns the refrigeration system on or off based on the demand for cooling Summary of Chamber Operation Turn the Power Switch ON Enter the appropriate high and low temperature safety limits on the Limit Controller 3 Enter the desired temperature SP1 and humidity SP2 set points or program on the F4 Controller If you are doing a temperature only test set the humidity set point SP2 in the F4 Controller to OFF Load your test sample in the chamber 5 Ifyou are running a contr
37. 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 Purchaser of this Equipment and is not transferable TestEquity 200H Series Temperature Humidity Chamber Page 9 1 Chapter 1
38. e Chi Ch2 PID Set Guar Soak Jump to End Idle SP Number Type Day Time Wait for H M S SP SP Chi Ch2 Chi Ch2 Profile Step Repeats Type Ch1 Ch2 1 Ramp Time gt 00 00 01 23 0 95 1 6 No No 2 Ramp Time gt 00 13 30 50 0 95 1 6 No No 3 Soak gt 01 00 00 1 6 No No 4 Ramp Time gt 00 25 00 0 0 95 1 6 No No 5 Soak gt 01 00 00 1 6 No No 6 Ramp Time gt 00 25 00 50 0 95 1 6 No No 7 Jump gt Name 2 99 8 Ramp Time gt 00 13 30 23 0 95 1 6 No No 9 End Idle 23 0 50 NOTE Setting the humidity for 50 RH ensures that and residual condensation does not cause the humidity to reach and unacceptable high level The Humidity Switch disables the humidifier but it does not disable the dehumidification system Step Description 1 Establishes an initialization step Goes to 23 C as quickly as possible 2 Goes to 50 C at a controlled rate of 2 C per minute 50 23 27 2 13 5 or 00 13 30 3 Will hold for 1 hour 01 00 00 4 Goes to 0 C at a controlled rate of 2 C per minute 50 0 50 2 25 or 00 25 00 5 Will hold for 1 hour 6 Goes to 50 C at a controlled rate of 2 C per minute 7 Jumps back to step 3 Repeats this 99 times for a total of 100 cycles 8 After all cycles are completed establishes the condition to end on Goes to 23 C at a controlled rate of 2 C per minute 9 End of program Controller returns to a 23 C manual set point Test sample remains OFF via Event 4 Notes Guarantee
39. e 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 deleted or changed to another step type Define the End by choosing Hold Control Off All Off or Idle end state End Type Control Off or All Off This will turn off the heat cool and humidify dehumidify controller outputs However this does not turn off the chamber fan The chamber temperature can reach 30 C just from heat generated by the fan and even higher if your test sample is energized Also if there is any residual moisture from a prior humidity test or from condensation this moisture could result in over 95 RH even though the humidity system is off End Type Hold This keeps the controller in a permanent Profile Mode while maintaining the conditions from the last profile step If you want to run another profile or enter a manual set point you will have to first end the profile manually End Type Idle This returns the controller to a manual set point TestEquity recommends ending a profile with an Idle Set Point of 23 0 C and 50 RH or lower Wait For step option The
40. e If you clean the interior with something other than water you may want to operate the chamber at high temperature after cleaning This helps to bake out any residue Remove the port plug 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 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 and fan noises with compressor off e Compressor start up and running noises e Condenser fan noises e Relay and valve cycling noises when cool light is cycling How to Inspect the Door Seal The door has a silicone gasket to minimize thermal losses and moisture migration e Inspect the gasket 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 getting lighter as the paper goes past the inner gasket Repeat this all around the door at several places Page 8 2 TestEquity
41. e all System and Operation Parameters as documented in the TestEquity manual NOT the Series F4 User s Manual TestEquity has configured the F4 Controller with the parameters as documented on the following pages TestEquity 200H Series Temperature Humidity Chamber Page 8 13 Chapter 8 Maintenance Series F4 Setup Parameters System Main Page Go to Setup System GSB 1 Source Guar Soak Band 1 GSB 2 Source Guar Soak Band 2 Current Time Current Date PID Units F or C Show F or C Ch1 Autotune SP Ch2 Autotune SP Input 1 Fail Input 2 Fail Open Loop Chl Open Loop Ch2 Power Out Time Power Out Action Analog Input Input 1 3 0 C 5 4 if F Input 2 5 0 local time local date US C Yes Upper Display 90 90 0 0 Off Off 10 sec Continue Main Page Go to Setup Analog Input 1 Sensor Type Choose Decimal SP Low Limit RTD 100 Ohm DIN 0 0 20 0 C 4 0 if F SP High Limit 94 0 C 201 2 if F Calibration Offset 0 0 C Filter Time 1 0 sec Error Latch Self Clear Main Page Go to Setup Analog Input 2 Sensor Process Type 0 to 20mA Units rh Decimal 0 0 Scale Low 0 0 Scale High 100 0 Scaling Normal Scaling Ch2 Output Disable Yes Inl Temp Low Inl Temp High SP Low Limit SP High Limit Calibration Offset Filter Time Error Latch 7 0 C 44 6 if F 87 0 C 188 6 if F 0 0 98 0 0 0 1 0 sec Self Clear Ma
42. e system is drained water flow is reduced to a dribble close the Drain Valve by turning its handle 90 degrees clockwise Figure 8 1 Humidity Drain Valve shown in the closed or normal operating position Page 8 6 TestEquity 200H Series Temperature Humidity Chamber Chapter 8 Maintenance How to Verify the Temperature Calibration TestEquity recommends verifying the temperature calibration before attempting to actually perform a calibration The state of the art instrumentation used in TestEquity chambers is of the highest quality and 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 is NOT a measurement of 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 F4 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 The F4 Controller accuracy is specified 2 C although it is t
43. ent Process Procedure for Input 2 11 When completed put the sensor wires back on F4 Controller terminals 54 and 58 12 Note that these steps are not calibrating the humidity sensor only Input 2 of the F4 Controller Page 8 8 TestEquity 200H Series Temperature Humidity Chamber Chapter 8 Maintenance Theory of Operation Overview Refer to the electrical and refrigeration drawings to identify the referenced items described below Air Heating System The chamber is heated by an open element nichrome heater The heater is located in the air plenum The F4 Controller provides a time proportioned output to a solid state relay This turns the heater on off as required to maintain the temperature set point A self resetting thermal switch provides failsafe protection against a catastrophic failure by opening the heater circuit Humidity System Water is heated by an immersion type heater to generate vapor The heater is located in the humidifier tank The F4 Controller provides a time proportioned output to a solid state relay This turns the humidifier heater on off as required to maintain the humidity set point The Humidity Switch has a light which provides an indication when the humidifier heater is on Water level in the humidifier is maintained by float valve assembly which is located in the rear ofthe chamber The humidifier has a manual reset thermostat to provide failsafe protection against a heater burnout in the event of
44. ermine 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 Unfortunately there is little you can do to improve upon the designed in performance TestEquity does NOT recommend using CO2 or LN2 in this chamber to achieve faster cooling due to reliability and safety considerations so it is NOT an available option Modifying the chamber to add CO2 or LN2 will void the warranty Why is there water ice snow in the chamber 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 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 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 TestEquity 200H Series Temperature Humidity Chamber Page 6 1 Chapter 6 Frequently Asked Questions How a
45. ey Main gt Profile__ gt Create Profile Edit Profile Delete Profile lt 3 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 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 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 4 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 Choose Step1 Type Autostart gt Ramp Time p Soak v 5 Define each step type e The Series F4 prompts you to define the parameters of each step type See Step Types earlier in this chapter Not all menu choices are shown in this example Choose to wait _ gt Step does not wait Step waits for Enter Ramp Time 00 00 01 H M S A Y Adjusts Digit lt gt Save Changes Enter Chi SP _ 85 0 C A v Adjusts Value lt Back gt Next 6 Choose the end state All profiles end with an End step which
46. f Multiple test samples should be distributed throughout the chamber to ensure even airflow and minimize temperature gradients If necessary additional shelves 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 temperature meter or data logger You may find that the temperature throughout the chamber is even but always different from what the F4 Controller indicates The correct way to adjust what the F4 Controller displays compared to what is measured at some point other than the controller s sensor is with the Calibration Offset parameter NOT by recalibrating the controller TestEquity 200H Series Temperature Humidity Chamber Page 3 3 Chapter 2 Installation Port Plug A port plug is provided with a gray silicone surface on one side The port plug must be inserted with the gray silicone surface facing the inside of the chamber Port plugs should be considered expendable and be replaced when they no longer provide a good seal Avoiding Moisture non humidity mode 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 or water when maintaining over 0 C and cooling is required To avoid moisture condensation make sure the port plugs are inserted at all times A
47. f refrigerant Purchaser shall notify TestEquity in writing of any alleged defect within 10 days after its 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 port plugs refrigerant 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 TestEquity undertakes shipment and transportation of the Equipment to Purchaser s site or contractually assumes the risk of
48. filet stored profiles gt Profile2 i e Press to select the desired profile Profile3 v 3 Select the desired step to start on Start e Press the Aor Y to scroll through the list of steps Step 1 Ramp Time Generally you would start on Step 1 but you can Step 2 Soak also start on any other step Step 3 Ramp Time lt Press to select the desired start step and the profile will begin to run The Profile Indicator will stay lit Main Page gt 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 V key to scroll through the list of running profile parameters You cannot manually change any operating condition while the profile is running Page 4 8 TestEquity 200H Series Temperature Humidity Chamber Chapter 4 F4 Temperature Humidity Controller How to Hold Resume a Running Profile 1 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 to select Hold e 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 gt Profile 2 Holding Step 2 SP1 23 0 C y 2 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
49. 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 Controller Setup Parameters section of this manual TestEquity 200H Series Temperature Humidity Chamber Page 4 13 Chapter 4 F4 Temperature Humidity 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 password 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 ZA CAUTION Every setting in t
50. he F4 Controller can be accessed via the computer interface y 8 p Improper modifications to configuration settings can result in erratic performance and unreliable operation 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 can be downloaded from http www testequity com static 11 Common Modbus Registers Actual chamber temperature reading is register 100 Input 1 Value Actual chamber humidity reading is register 104 Input 2 Value Static temperature set point is register 300 Set Point 1 Static humidity set point is register 319 Set Point 2 Temperature set point during a profile is register 4122 Set Point 1 Current Profile Status Humidity set point during a profile is register 4123 Set Point 2 Current Profile Status Decimal points are implied For example 1005 is actually 100 5 and 230 is 23 0 GPIB optional The optional GPIB interface consists of an internal board which converts the F4 controller s serial interface to GPIB Chambers with a GPIB interface have a GPIB connector in place
51. higher temperature near the sample Controller Accuracy This is the ability of the F4 Controller to accurately display a temperature measurement when compared to a standard at the control sensor The controller display accuracy and sensor conformity is 2 0 C although the typical accuracy is often better than 1 0 C when verified at the control sensor Can I tilt the chamber to move it You should be able to tilt the chamber 45 degrees to move it After tilting it and moving it into place perform the steps as outlined in How to inspect the refrigeration machinery compartment and How to check the refrigerant charge before placing the chamber back into service to make sure that no damage has occurred 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 Pe
52. hold in the Lower Display choice to the right of the Lower Display through the resume or terminate a profile about the cursor cursor and proceed menus in the direction of the key selected parameter to the next screen arrow Increase or decrease a Another press toggles Move left to exit value or change a letter in a the display back to user nameable field such as the parameter profile names Figure 4 1 F4 Controller Keys and Displays To navigate through the menus 1 Use the A or Y key to move the cursor to line up with the item to be selected in a menu on 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 i E Repeat until you return to the original list The key again saves the value and proceeds to the next parameter in the series The lt 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 key to the end of the series Page 4 2 TestEquity 200H Series Temperature Humidity Chamber Chapter 4 F4 Temperature Humidity Controller Main Page The Main Page displays manual operating parameters running program parameters and error
53. ight 1A is ON circulator fan is ON Heater is defective Overtemperature thermostat has tripped Solid State Relay is defective Defective output 1A on F4 Controller Heats up too slow Does not meet published specifications Chamber interior is overloaded Circulator motor is not turning Verify that input voltage is within tolerance Heat is on all the time If F4 Controller light 1A is OFF Solid State Relay SSR1 is defective shorted Defective output 1A on F4 Controller Does not cool at all If F4 Controller light 1B is ON Compressor is running Evaporator solenoid valve may be defective in closed position Refrigeration leak plugged capillary tube Cap Tube A Cools too slowly or does not reach 20 C Powerl prompt indicates 90 continuously and compressor is running continuously Chamber interior is overloaded Test sample is energized giving off heat Circulator motor is not turning Port plug is not in port Door is not sealing completely Ice on evaporator Refrigeration leak Cools for a while and then compressor stops Powerl prompt indicates any value with minus value Ambient temperature may be too high over 90 F HPCO pressure switch trips Dirty condenser inadequate clearance from back of chamber to wall Temperature readout on F4 Controller varies more than 0 5 C or 1 C total If tuning PID control parameters in F4 Controller
54. in Page Go to Setup Analog Input 3 Sensor Off Digital Input Menu Main Page Go to Setup Digital Input 1 4 Name Function No Off Control Output Main Page Go to Setup Control Output 1A Function Heat Choose Cycle Time Fixed Time Enter Cycle Time 6 0 sec Hi Power Limit 100 Low Power Limit 0 Main Page Go to Setup Control Output 1B Function Cool Choose Cycle Time Fixed Time Cycle Time 6 0 sec Hi Power Limit 90 Low Power Limit 0 Main Page Go to Setup Control Output 2A Function Heat Choose Cycle Time Fixed Time Cycle Time 6 0 sec Hi Power Limit 100 Low Power Limit 0 Main Page Go to Setup Control Output 2B Function Cool Choose Cycle Time Fixed Time Cycle Time 6 0 sec Hi Power Limit 90 Low Power Limit 0 Alarm Output Main Page Go to Setup Alarm Output 1 Name No Alarm Type Off Main PagelGo to Setup Alarm Output 2 Name No Alarm Type Off Retransmit Output if retransmit option is ordered Main Page Go to Setup Retransmit Output 1 Retransmit Source Input 1 Analog Range 0 5V Low Scale 20 0 C 4 0 if F High Scale 100 0 C 212 0 if F Scale Offset 0 0 Main Page Go to Setup Retransmit Output 2 Retransmit Source Input 2 Analog Range 0 5V Low Scale 0 0 High Scale 100 0 Scale Offset 0 Digital Output Main Page Go to Setup Digital Output 1 8 Name No Function Off Communications Menu Main Page Go to Setup Communications Baud Rate 9600 Address 1
55. is preprogrammed into the new profile See End Step earlier in this chapter Choose End State Control Off All Off Idle gt 7 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 Y Restore A Save TestEquity 200H Series Temperature Humidity Chamber Page 4 7 Chapter 4 F4 Temperature Humidity Controller Programming Hints e The first step in a program should be an initialization step of 1 second 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 to another type but you can insert new steps before it Profile Key The Profile key initiates the profile mode You can also hold resume or terminate a running profile with this key 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 1 Press the Profile key to enter the Profile Control menu The Profile Indicator will begin blinking e Press the A key for Yes Start a Profile v No A Yes 2 Select the desired stored profile Start Profile e Press the Aor Y to scroll through the list of Pro
56. its are set to temperatures that are appropriate for your test sample 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 To prevent damage to your test sample and the chamber s compressor do not exceed the live load rating of the chamber 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 TestEquity 200H Series Temperature Humidity Chamber Chapter 1 Safety N WARNING Do NOT put items in the chamber which can emit corrosive vapors or substances N 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 severe burns or frostbite Protective gloves are recommended TestEquity 200H Series Temperature Humidity Chamber Page 1 3 Chapter 2 Installation Chapter
57. ity Sensor Maintenance No routine maintenance is required A periodic check of the system calibration is recommended The Series RH R is not field serviceable and cannot be recalibrated This sensor should be replaced if the calibration is out of spec after first verifying that the F4 Input 2 is calibrated TestEquity 200H Series Temperature Humidity Chamber Page 8 7 Chapter 8 Maintenance How to Verify the F4 Controller s Input 2 Humidity Input Calibration The F4 Controller s Input 2 is configured for 4 to 20 mA 0 to 100 RH Disconnect the chamber from the power source Remove the top cover Remove the existing sensor wires on terminals 54 and 58 of the F4 Controller Connect a 4 to 20 mA precision current source to terminal 54 and to terminal 58 Set the precision source to 12 0 mA Reconnect the chamber to the power source Turn the Power Switch ON and leave the Conditioning Switch OFF Observe that the Input 2 prompt in the lower display indicates between 49 0 and 51 0 RH If it does not then Input 2 of the F4 Controller requires calibration A E oe he ES Set the precision source to 20 0 mA p Observe that the Input 2 prompt in the lower display indicates between 99 0 and 101 0 RH Ifit does not then Input 2 of the F4 Controller requires calibration 10 If calibration of the F4 Controller is necessary refer to page 9 3 of the Series F4 User s Manual and follow the instructions for Curr
58. l UL c UL 916 listed File E185611 CE to EN61010 NEMA 4X and IP65 CE EMC to EN50082 2 CE EMC to EN55011 Process 5 seven segment red LED Interface Display 4 line high definition green LCD Selectable C or F Retention upon power failure via nonvolatile memory Seven years for battery backed RAM TestEquity 200H Series Temperature Humidity Chamber Chapter 8 Maintenance Chapter 8 Maintenance WARNING Maintenance must be performed by properly trained personnel only Preventive Maintenance Intervals Daily or As Needed e Clean chamber interior and exterior e Listen for abnormal noise or vibration e Inspect the demineralizer filter cartridge Every 6 Months e Inspect the door seal e Clean the condenser e Drain the humidity system Every 12 Months e Verify the chamber performance e Verify the calibration e Inspect the electrical compartment e Inspect the refrigeration machinery compartment TestEquity 200H Series Temperature Humidity Chamber Page 8 1 Chapter 8 Maintenance Maintenance Procedures How to Clean the Chamber Interior and Exterior e Wipe or vacuum out all debris e Clean interior surfaces with a damp cloth mild detergent or stainless steel cleaner Avoid cleaners that are abrasive or leave a residue DO NOT clean with steel wool or permit ferrous materials to rub on stainless surfaces Particles of iron can become embedded in the stainless steel and then rust
59. lso 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 You CANNOT use the humidity system to control moisture at low temperatures The humidity system is disabled below 7 C 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 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
60. of the RS 232C connector GPIB programming resources and LabVIEW drivers can be downloaded from http www testequity com static 10 Ethernet optional The optional Ethernet interface model TE 1055 consists of an external converter box that connects to the chamber s RS 232C interface Page 4 14 TestEquity 200H Series Temperature Humidity Chamber Chapter 5 Limit Controller Chapter 5 Limit Controller Introduction The EZ Zone 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 F4 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 F4 Controller This section provides a brief overview on how to operate the Limit Controller For more detailed instructions see the EZ Zone User s Manual A CAUTION The EZ Zone 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 PM6LIEJ AAAAAAA
61. olled humidity conditions turn the Humidity switch ON If you are running temperature only conditions turn Humidity switch OFF Humidity cannot be controlled in this mode You should also set the humidity set point SP2 in the F4 Controller to OFF 7 Turn the Conditioning Switch ON to energize the chamber fan and temperature conditioning system when ready to control the chamber temperature or humidity TestEquity 200H Series Temperature Humidity Chamber Page 3 1 Chapter 2 Installation Front Panel Switches and Lights Power Switch The Power Switch controls power to the entire chamber The Power Switch illuminates when it is ON Conditioning Switch The Conditioning Switch enables all chamber functions When the Conditioning Switch is OFF and the Power switch is ON only the F4 Controller and Limit Controller are operational When both the Power and Conditioning Switches are ON the chamber s conditioning system will function to maintain the temperature humidity set point The Conditioning Switch illuminates when it is ON Humidity Switch The Humidity Switch enables the humidifier heater The Humidity Switch will illuminate when the F4 Controller turns on the humidifier heater on to maintain the workspace humidity This light will cycle on off as the workspace humidity approaches and reaches the humidity set point This light corresponds to the 2A indicator on the F4 Controller When the humidity system is first turned on the
62. one Limit Controller functions as the main protection device ZA CAUTION The Series F4 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 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 Controller Setup Parameters section of this manual CAUTION NEVER select Full Defaults in the Series F4 Factory Test Menu This will erase all the correct values which are documented in the Series F4 Controller Setup Parameters section of this manual 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 the security of 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 entry into these menus is necessary For example you may need to gain access
63. or substances N 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 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 CAUTION To prevent damage to your test sample and the chamber s compressor do not exceed the live load rating of the chamber 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 shel
64. profile Go to Factory Access to Factory Page Not displayed if running a profile TestEquity 200H Series Temperature Humidity Chamber Page 4 3 Chapter 4 F4 Temperature Humidity Controller Static Set Point Control Manual Operation The F4 Controller is in Static Mode Manual Operation 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 prompts are accessed from the Main Page To enter a Static Temperature Set Point 1 Press the Aor Y key to position the Cursor next to the SP1 prompt You may already be at this prompt 2 Press the key once You will see Static Set Point 1 in the lower display with the current set point indicated below 3 Press the Aor Y key to change the temperature set point value Press the key once to enter the new temperature set point You are now back to the Main Page Main Page Static Set Pointi Input2 90 0 A 30 0 C gt SP1 30 0 C J A SP2 90 0 Y v Adjusts Value lt Back Next To enter a Static Humidity Set Point 1 Press the Aor Y key to position the Cursor next to the SP2 prompt You may already be at this prompt 2 Press the key once You will see Static Set Point2 in the lower display with the current set point indicated below 3 Press the Aor Y key to change the humidity set point value Press the key once to enter the ne
65. quity 200H Series Temperature Humidity Chamber Chapter 9 Warrant 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 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 ofthe 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 THIRD YEAR of the warranty period Purchaser will be responsible for the installation and cost of installation of replacement or repaired parts and the cost o
66. re will be a delay of approximately five minutes before an increase in humidity is observed This is due to the thermal mass of the humidifier Some humidity conditions require cycling of the dehumidification system to lower the humidity The 2B indicator on the F4 Controller indicates when dehumidification is required to maintain the workspace humidity There is no corresponding pilot light on the front panel for this function Also the dehumidification system is not affected by the Humidity Switch The Humidity Switch should ONLY be ON if you are performing a controlled humidity test within the humidity range of the chamber which is 10 C and 85 C If you are doing temperature only tests this switch should be OFF Additionally adjust the Humidity Set Point SP2 in the F4 Controller to OFF The Humidity system is completely disabled both the humidifier and dehumidification systems if the workspace temperature is below 7 C or above 87 C This safety feature prevents damage to the chamber humidity sensor and other components Page 3 2 TestEquity 200H Series Temperature Humidity Chamber Chapter 3 Operation Loading the Chamber N 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 which can emit corrosive vapors
67. rform ALL the steps in the Preventive Maintenance Schedule before placing the chamber back into service This will ensure that nothing has been damaged and that a leak has not developed Page 6 2 TestEquity 200H Series Temperature Humidity Chamber Chapter 6 Frequently Asked Questions Can the person who services our air conditioning also service the chamber Probably not Most air conditioning mechanics are not familiar with environmental chambers While this chamber is relatively easy to maintain and repair most air conditioning mechanics may not be familiar with the microprocessor based controls This chamber should only be serviced by a qualified mechanic that is familiar with environmental chambers Call TestEquity to recommend one in your area or to check ifthe one you would like to use is qualified 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 refrigeran
68. set point D un 85 C and 85 RH 7 day soak time Ends with 23 C and 50 RH set point HUMIDITY SWITCH MUST BE ON Step Step Date Chi Ch2 PID Set Guar Soak Jump to End Idle SP Number Type Day Time Wait for H M S SP SP Chl Ch2 Chl Ch2 Profile Step Repeats Type Ch1 Ch2 1 Ramp Time gt 00 00 01 85 0 85 1 6 No No 2 Soak gt 24 00 00 1 6 No Yes 3 Jump gt Name 2 6 4 End Idle 23 0 50 Step Description 1 Goes to 85 C 85 RH as quickly as possible 2 Soak at 85C 85 RH for 24 hours Time will not elapse until humidity is between 80 and 90 RH 5 RH guaranteed soak band 3 Jumps to step 2 in this named profile Repeats 6 times for a total of 7 times 4 End of program Controller returns to a 23 C and 50 RH manual set point Notes x 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 12 TestEquity 200H Series Temperature Humidity Chamber Chapter 4 F4 Temperature Humidity 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
69. stabilize at 50 0 3 0 RH 14 This concludes the controlled humidity chamber performance verification tests TestEquity 200H Series Temperature Humidity Chamber Page 8 5 Chapter 8 Maintenance How to Inspect the Electrical Compartment 1 Disconnect the chamber from the power source 2 Remove the right side when facing the front cover 3 Check for loose components loose wires burned insulation near terminals and burned or excessively pitted contacts on contactors How to Clean the Condenser 1 Disconnect the chamber from the power source 2 Remove the lower front panel 3 Clean the condenser fins with a vacuum cleaner NOTE You may need to clean the condenser more frequently ifthe chamber is in a dusty environment You may be able to clean the condenser less frequently ifthe chamber is in a very clean environment How to Drain the Humidity System 1 Wait at least 1 hour after running a humidity test before draining the system to ensure that the water has cooled down to a safe handling temperature e Disconnect the chamber from the power source 3 Locate the Drain Valve on the rear left side Place a container or cup under the fitting located at the end of the Drain Valve The leveling tank and humidifier holds a total of about 8 ounces of water 5 Open the Drain Valve by turning its handle 90 degrees counter clockwise Water will come out of the drain fitting which is just below it 6 After th
70. stat will trip If this occurs you must unplug the chamber from its power source remove the right side panel and press the red reset button on the thermostat which is located on the humidifier See Humidity Thermostat in Chapter 8 of this manual for a picture of the thermostat and the reset button location If you are running a high humidity condition it can take approximately 5 minutes until the humidifier heats up from an initial cold start During most of that time it might appear that nothing is happening because there is little increase in the humidity reading the Input2 prompt on the F4 Controller Be patient if the Humidity Light is ON the humidity will eventually begin to rise after this initial heat up period TestEquity 200H Series Temperature Humidity Chamber Page 3 5 Chapter 4 F4 Temperature Humidity Controller Chapter 4 F4 Temperature Humidity Controller Introduction The Series F4 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 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 ZA CAUTION The Series F4 alarms are not used The independent EZ Z
71. to verify that these conditions are within range Humidifier Thermostat If the humidity system runs out of water and the humidity system is turned on the humidifier thermostat will trip If this occurs you must unplug the chamber from its power source remove the right side panel facing the front and press the red reset button on the thermostat which is located on the humidifier TestEquity 200H Series Temperature Humidity Chamber Page 8 11 Chapter 8 Maintenance Refrigeration System Charging Instructions WARNING Repair of the refrigeration system must be performed only by a properly trained mechanic who is experienced in repairing cascade refrigeration systems 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 404A Charge Repair any leaks before recharging 2 Attach a vacuum pump and manifold gauge to the suction and discharge ports 3 Evacuate the system to at least 100 microns DO NOT GUESS You must use a micron gauge 4 Use a charging scale to weigh in 22 ounces of R 404A 5 Verify the cooling performance as outlined in How to verify the chamber performance Page 8 12 TestEquity 200H Series Temperature Humidity Chamber Chapter 8 Maintenance
72. ts TestEquity chambers do not use CFC based refrigerants The refrigeration system uses R 404A which is also known as DuPont Suva HP62 TestEquity 200H Series Temperature Humidity Chamber Page 6 3 Chapter 7 Specifications Chapter 7 Specifications Model 200H Series Chamber Specifications Temperature Range 20 C to 94 C Non controlled humidity Control Tolerance 0 5 C Measured at the control sensor after stabilization Standard Humidity Range 10 RH to 95 RH limited by a 6 C dew point 95 RH maximum between 30 C and 60 C Derates to 85 RH maximum at 10 C and 85 C See chart on page 4 6 for Achievable Range of Temperature and Humidity Conditions Control Tolerance 3 RH Measured at the control sensor after stabilization Input Power Model 201H 120 V nominal 110 to 126 VAC 60 Hz 1 PH Max Current Draw 18 A Recommended Minimum Service 20 A dedicated line Supplied with NEMA 5 20P Plug Model 205H and 210H 120 V nominal 110 to 126 VAC 60 Hz 1 PH Max Current Draw 25 A Recommended Minimum Service 30 A dedicated line Supplied with NEMA L5 30P Plug Workspace Dimensions 201H 14 W x 13 Hx 13 D 1 37 cubic feet 205H 20 W x 24 Hx 17 5 D 4 86 cubic feet 210H 24 W x 30 H x 24 D 10 cubic feet Outside Dimensions 201H 27 W x 33 Hx 26 D 205H 33 W x 46 Hx31 D 210H 37 W x 52 Hx37 D Water tank adds 18 to height of all models Min Installed Clearance 12 from the rear
73. 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 to 3 0 C for SP1 and 5 0 RH for SP2 and this can be changed in the System Menu Page 4 6 TestEquity 200H Series Temperature Humidity Chamber Chapter 4 F4 Temperature Humidity Controller How to Program a New Profile 1 Go to the Profiles Page Move the cursor down the Main Page to Go to Profiles then press the key Main Page gt Go to Profiles Go to Setup Go to Factory lt gt 2 Create a new Profile The cursor will be on Create Profile Press the gt k
74. w temperature set point You are now back to the Main Page Main Page Static Set Point2 Input2 90 0 A 90 0 RH SP1 30 0 C J A gt SP2 90 0 Y v Adjusts Value lt Back Next Page 4 4 TestEquity 200H Series Temperature Humidity Chamber Chapter 4 F4 Temperature Humidity Controller Profile Programming The Series F4 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 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 five available step types Autostart Ramp Time 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
75. y the Performance Controlled humidity mode 8 5 How to Inspect the Electrical Compartment 8 6 How to Clean the Condenser 8 6 How to Drain the Humidity System 8 6 How to Verify the Temperature Calibration 8 7 How to Verify the Humidity Calibration 8 7 Humidity Sensor Maintenance 8 7 How to Verify the F4 Controller s Input 2 Humidity Input Calibration 8 8 Theory of Operation 8 9 Overview 8 9 Air Heating System 8 9 Humidity System 8 9 Refrigeration System 8 9 Troubleshooting 8 10 Temperature Troubleshooting 8 10 Humidity Troubleshooting 8 11 Humidifier Thermostat 8 11 Refrigeration System Charging Instructions 8 12 R 404A Charge 8 12 Series F4 Controller Setup Parameters 8 13 Series F4 Setup Parameters 8 14 Series F4 Operations Parameters 8 15 Series F4 Set Lockout Parameters 8 15 EZ Zone Limit Controller Setup Parameters 8 16 Setup Menu 8 16 Operations Menu 8 16 Chapter 9 Warranty SE YOA Chapter 10 Drawings 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 CAUT
76. ypically better than 1 0 C The easiest way to verify the instrumentation accuracy is with an independent calibrated temperature sensor and display Place the sensor near the chamber s sensors which are located towards the right side of the conditioner fan grille If the readings agree within the specified limits above then no calibration adjustments are necessary If calibration of the F4 Controller is necessary refer to page 9 2 of the Series F4 User s Manual and follow the instructions for RTD Input Procedure on Input 1 for a 100Q RTD How to Verify the Humidity Calibration TestEquity recommends verifying the humidity calibration before attempting to actually perform a calibration If you try to calibrate the instrumentation before determining that calibration is necessary you may make it worse if done incorrectly A Dwyer RHR R capacitive type sensor is used to measure humidity The RHR R output is configured for 0 100 RH 4 20 mA The F4 Controller s Input 2 is configured for 4 to 20 mA The RHR R sensor accuracy is 2 between 10 RH and 90 RH The easiest way to verify the instrumentation accuracy is with an independent calibrated humidity sensor and display Place the sensor near the chamber s humidity sensor which is located towards the right side of the conditioner fan grille If the readings on the F4 Controller agree within the specified limits above then no calibration adjustments are necessary Humid

With F4 Controller and EZ-Zone Limit

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