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With F4 Controller and EZ-Zone Limit

1. How to Edit a Profile Go to the Profiles Page Move the cursor down the Main Page to Go to Profiles then press the gt key Main Page gt Go to Profiles Go to Setup Go to Factory 2 Choose Edit Profile Main gt Profile __ Press the W key to choose on Edit Profile Create Profile e Then press the key gt Edit Profile Delete Profile 3 Select the desired stored profile to edit Edit Profile Press the Aor W to scroll through the list of Profilei 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 Press to select your choice Delete Step Done 5 To edit a step Edit Step se 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 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 e 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 S
2. Means prompt does not show for this step type Page 4 16 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 N CAUTION The Series F4 alarms are configured and dedicated for internal protection of the humidity system Do NOT change their configuration under any circumstances 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
3. e Press to select the desired start step and the profile will begin to run The Profile Indicator will Step 3 Ramp Time 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 W key to scroll through the list of running profile parameters You cannot manually change any operating condition while the profile is running TestEquity 1007H Temperature Chamber Page 4 13 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 gt 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 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 ra
4. gt 1 6 Yes No 5 Jump gt gt gt gt gt gt gt gt Name 1 3 6 Ramp Time gt gt gt gt gt gt gt gt 0000 01 230 gt 1 6 No No 7 End Idle 23 0 Step Description Goes to 40 C as quickly as possible Will hold for 30 minutes Time will not start until chamber reaches 37 C within the 3 Guaranteed Soak Band Goes to 85 C as quickly as possible Will hold for 30 minutes Time will not start until chamber reaches 82 C within the 3 Guaranteed Soak Band Jumps back to step 1 Repeats this 3 times for a total of 4 cycles Goes to 23 C as quickly as possible End of program Controller returns to a 23 C manual set point TestEquity 1007H Temperature Chamber SAU RBRWN 50 C to 0 C 2 C minute ramp uncontrolled humidity 1 hour soak times 100 cycles total test sample turned ON OFF depending on step end with a 23 C set point Step Step Date Choose Digit Out Time Chl Ch2 PID Set Guar Soak Jump to End Idle SP Number Type Day Time Wait for 1 2345 67 HEMS SP SP Chi Ch2 Chi Ch Profile Step Repeats Type Chl 1 Ramp Time gt gt gt On gt gt gt gt 00 00 01 23 0 gt 1 6 No No 2 Ramp Time gt gt gt On gt gt gt gt 00 13 30 50 0 gt 1 6 No No 3 Soak gt gt gt On gt gt gt gt 01 00 00 gt 1 6 No No 4 Ramp Time gt gt gt Off gt gt gt gt 00 25 00 0 0 gt 1 6 No No 5 Soak gt g
5. 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 effect 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 0 5 C or a total of 1 C when measured at least 2 away from the chamber interior walls These specifications are for an empty chamber The addition of a test sample may affect the temperature uniformity For example an energized test sample will produce a higher temperature near the sample Controller Accuracy This is the ability of the F4 Controller to accurately display a temperature measurement when compared to a standard The controller display accuracy is 1 66 C However the total measurement accuracy in the chamber includes the thermocouple sensor wire accuracy Thermocouple wire accuracy is 1 C or 0 75 of reading whichever is greater Therefore total system accuracy over the chamber s operating range can be as much as 2 66 C although the typical accuracy is often better than 1 0 C 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
6. Southco A2 10 501 21 300009 1 ea Port Plug Foam 4 CUSTOM CUSTOM 300534 2 ea Shelf with 4 clips CUSTOM CUSTOM TE 0701 1 ea Shelf Retainer Clip Kason Style 66 0066000008 300015 4 ea Window Heated CUSTOM CUSTOM 300498 1 ea TestEquity 1007H Temperature Chamber Page 8 17 Chapter 8 Maintenance Series F4 Controller Setup Parameters 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 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 CKCC 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 N CAUTION The Series F4 alar
7. The Modbus register to program Digital Output 3 in static set point mode is 2020 NOTE Remember to set DIGIT OUT3 to On in all programmed steps when the you want to use the GN purge The Event Outputs are accessed from the DigitalOut prompt on the Main Page in static set point mode and the DIGIT OUT prompt in the Profile programming mode For low humidity control e TurnEvent 1 HUMIDITY and Event 3 ON e GN will feed when the F4 Controller cycles the dehumidification system It will cycle on off as the workspace humidity approaches and reaches the low humidity set point or whenever dehumidification is necessary For low humidity control below 10 C e Turn Event 1 HUMIDITY OFF and Event 3 ON The chamber is in normal controlled humidity mode when Event 1 HUMIDITY is ON and the chamber temperature is between 10 C to 85 C Event 1 HUMIDITY must be OFF to achieve temperatures below 10 C If Event 3 is ON the GN System will continue to provide controlled dehumidification even though the humidity system is disabled TestEquity 1007H Temperature Chamber Page 4 9 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 cont
8. There are NO provisions for venting fumes WARNING The chamber door must remain closed while the chamber is operating If you need to open the door while the chamber is operating wear safety goggles to prevent the high velocity airflow from blowing particles or objects into your eyes WARNING This chamber operates at extreme temperatures Avoid contact with air objects and surfaces that are hot or cold to prevent severe burns or frostbite Protective gloves are recommended CAUTION If your test sample is energized it may be capable of raising the workspace temperature beyond safe limits This could occur if your test sample exceeds the live load rating of the chamber or if the chamber s refrigeration system fails This chamber has a set of contacts that can be used to remove power to your test sample if the Limit Controller s temperature limits are exceeded CAUTION To prevent damage to your test sample and the chamber s compressors do not exceed the live load rating of the chamber Live Load Capacity for Model 1007H Temp 23 C 0 C 40 C 55 C 65 C Watts 1000W 800W 500W 400W 300 W 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 locat
9. 115 VAC for all instrumentation and control elements Refer to the electrical and refrigeration drawings to identify the referenced items described below The electrical items are referenced with a letter s and number The refrigeration items are referenced with a number only or number followed by a single letter Air Heating System The chamber is heated by an open element nichrome heater HT1 The heater is located in the air plenum The F4 Controller provides a time proportioned output to a solid state relay SSR1 This turns the heater on off as required to maintain the temperature set point Pilot light PL1 provides an indication on the front panel when the heater is on A fusible heat limiter HL provides failsafe protection against a catastrophic failure by opening the heater circuit at 240 C The master heat contactor C1 provides a power interlock for the heaters circulator fan motor and the control system C1 is controlled by both the Master Switch and safety relay CR3 CR3 is controlled by the temperature limit controller TCR2 If either the high or low temperature safety limits are exceeded TCR2 turns off CR3 which turns off Cl Humidity System Water is heated by an immersion type heater HT2 to generate vapor The heater is located in the humidifier tank The F4 Controller provides a time proportioned output to a solid state relay SSR2 This turns the heater on off as required to maintain the humidity set point Pilot li
10. 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 DigitalOut Status of digital outputs 1 though 8 An 8 indicates when cooling system is ON Power1 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 Go to Operations Access to Operations Page Go to Profiles Access to Profiles Page Go to Setup Access to Setup Page Not di
11. Locate the Control Transformer TR1 Wire number T1 must be connected to the 208 V terminal 3 on Control Transformer TR1 2 Locate the Terminal Strip On the bottom of terminal H3 there must be wire H3 and H3A Single Phase Configuration 1 Locate the Main Disconnect Switch terminals Wires A and C must be on terminal T1 wires B and D must be on terminal T2 There must be no wires on terminal T3 2 The input power wires will be connected to L1 and L2 and the ground lug Three Phase Configuration 1 Locate the Main Disconnect Switch terminals Wires A and D must be on terminal T1 wire B must be on terminal T2 and wire C must be on terminal T3 2 The input power wires will be connected to L1 L2 L3 and the ground lug 3 PHASE INPUT 1 PHASE INPUT L1 L2 L3 GND L1 L2 GND 560 7 O I 000 DG o la le Ic c la Mo Figure 2 2 Phase Configuration on Disconnect Switch Page 2 4 TestEquity 1007H Temperature Chamber Chapter 2 Installation Connection to the Power Source A CAUTION This chamber should be connected to the AC power source by a qualified electrician who is familiar with industrial plant wiring The Disconnect Switch on the front panel removes primary power to the entire chamber All branch circuits on the load side of the Disconnect Switch are individually protected with Class CC fuses However your local electrical code may require a separate disconnect switch within sight of the chamber Input Wiring Pre
12. Set Point 1 e Static humidity set point is register 319 Set Point 2 e Temperature set point during a profile is register 4122 Set Point 1 Current Profile Status e Humidity set point during a profile is register 4123 Set Point 2 Current Profile Status e 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 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 18 TestEquity 1007H Temperature 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 failu
13. 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 limits are set to temperatures that are appropriate for your test sample TestEquity 1007H Temperature Chamber Chapter 1 Safety 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 This chamber has a set of contacts that can be used to remove power to your test sample if the Limit Controller s temperature limits are exceeded CAUTION To prevent damage to your test sample and the chamber s compressors do not exceed the live load rating of the chamber WARNING Do NOT put items in the chamber that could burn or explode at high temperatures This chamber uses open wire heating elements which generate surface temperatures over 100
14. 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 How accurate is the chamber That s a loaded question There is no chamber accuracy specification as such The answer requires an understanding of several performance parameters Control Tolerance The 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 25 0 C The actual temperature varies between 25 4 C and 24 5 C This corresponds to 0 4
15. in the compressor causing a lower standby pressure Do not mistake this initial loss of pressure with a leak After verifying that there is no leak you may need to top off the charge if the pressure is too low This note only applies to systems that have been evacuated and recharged How to Check the High Stage Refrigerant Charge The high stage refrigerant charge is checked by observing the sightglass 1 The sight glass is located behind the rear bottom panel on the right side 2 Set the F4 Controller to a low temperature Set Point The Cool Light should be on continuously 3 After about 5 minutes of operation in this mode inspect the sightglass 4 If you see bubbles or it appears partially full then this indicates that there is probably a leak 5 When the F4 Controller is cycling Cool Light cycles on off the sightglass may appear 1 2 to 2 3 full This is normal TestEquity 1007H Temperature 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
16. 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 Page 6 2 TestEquity 1007H Temperature Chamber Chapter 6 Frequently Asked Questions I m not going to use the chamber for a while Is there anything I should do to prepare it for storage Perform ALL the steps in the Preventive Maintenance Schedule before placing the chamber into storage This will ensure that the chamber will be ready to operate when it is taken out of storage If the chamber has a problem and is still under warranty these problems should be resolved before being placed into storage since the warranty period starts from the date of shipment The chamber should be stored in a conditioned environment Do not store it outside or where it will be subjected to dirt or excessive moisture I haven t used the chamber for a while Is there anything I should do to prepare it for operation Perform ALL the steps in the Preventive Maintenance Schedule before placing the chamber back into service This will ensure that nothing has been damaged and that a leak has not developed This chamber has a crankcase heater to protect the high stage compressor The chamber must be connected to the power source AND the Main Disconnect Switch must be ON for 3 hours prior to operating the chamber Although it may be safe to use the chamber immediately this pro
17. line if Event2 is gt Digital0ut_2____ Y ON TestEquity 1007H Temperature Chamber Page 4 7 Chapter 4 F4 Temperature Humidity Controller Event Outputs for Customer Use The F4 Controller has digital outputs which can be configured as Event Outputs to turn remote devices on and off There are five Event Outputs which are available for customer use Event Output 1 is dedicated for Humidity Enable Event Output 2 is dedicated for System Enable Event Output 8 is configured to control the refrigeration compressors The Event Outputs 3 through 7 are available for customer use Digital Output Connections See page 12 9 of the Series F4 User s Manual for details on how to connect directly to the Digital Outputs on the F4 Controller Event Board Option Your chamber may have been ordered with the Event Board option The event board contains solid state relays to control AC operated devices such as power to a test sample The solid state relays are rated for 24 to 240 VAC 3 0 Amps However TestEquity recommends derating the maximum current to 2 5 Amps The solid state relay mounting board is UL recognized CSA certified for 120 VAC max with the board mounted fuses 250 VAC max with a 22 solid copper jumper wire instead of the fuses Connecting to the Event Board 1 Turn the Main Disconnect switch to the OFF position 2 Remove the lower door retaining screw located on the right side Open the lower door 3 The Event Board is
18. located on the lower door Connect to the event outputs as follows Event Output Event Board Terminals Event 2 3 4 wired for optional System Enable function described above Event 3 5 6 wired if optional GN2 Purge function described above was ordered Event 4 7 8 Event 5 9 10 Event 6 11 12 Event 7 13 14 4 The event outputs are just switches You must provide power from an external source 5 A 1 2 inch conduit hole is provided on the left side of the lower door to route your wires through Use the appropriate wire cable management fittings Page 4 8 TestEquity 1007H Temperature Chamber Chapter 4 F4 Temperature Humidity Controller GN2 Purge Optional Option TE 0009 provides GN gaseous nitrogen Purge This can be used to reduce to possibility of condensation in the chamber at low temperatures or to achieve low humidity control CAUTION Nitrogen cannot be detected by human senses Nitrogen is non toxic However if adequate ventilation is not provided nitrogen will displace air This can cause dizziness unconsciousness or death without warning The chamber must be located in a well ventilated area Do not open the chamber door with the GN flowing Installation The GN valve is located on the right side of the chamber Connect a supply of GN with a maximum pressure of 100 psig to the 3 8 inch flare fitting Operation The GN2 mode is enabled through Event 3 Digital Output 3 in the F4 Controller NOTE
19. or to change the time or date You must call TestEquity at 877 512 3457 or 805 480 0638 to obtain the password TestEquity 1007H Temperature Chamber Page 4 1 Chapter 4 F4 Temperature Humidity Controller F4 Controller Keys and Displays To navigate through the menus 1 A 209 Pp Lower Display Displays information about the setup operation and programming of the controller Cursor Indicates selected parameter or present value in memory Moves via the four navigation keys Profile Indicator Light Lit when a ramping profile runs When blinking the profile is on hold When not lit the controller operates as a static set point controller Profile Key Summons a menu that allows you to start hold resume or terminate a profile Information Key Provides information in the Lower Display about the cursor selected parameter Another press toggles the display back to the parameter Upper Display Displays actual chamber temperature during operation Displays error information if errors occur Main Page Go to Profiles Go to Setup Go to Factory Figure 4 1 F4 Controller Keys and Displays Left and Right Keys Move right to select the choice to the right of the cursor and proceed to the next screen Move left to exit Output Indicator Lights 1A Heat 1B Cool 2A Humidity 2B Dehumidity Alarm Output Indicator Lights Lit during an alarm state Alarm2 is lit
20. the Limit Controller high limit must be set to over 85 C 88 C would be fine and the low limit set to 75 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 1 The chamber interior should be empty and at ambient temperature approximately 23 C 2 Set the F4 Controller Set Point 1 to 85 C Event 1 Digital Output 1 must be Off Turn the Master Switch ON 3 The Heat Light should be ON continuously and the Cool and Humidity lights should be OFF 4 The chamber should heat up to about 80 C and begin controlling Heat Light cycles ON OFF within 7 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 compressors should NOT need to turn ON in order to maintain 85 C 6 After stabilization the chamber temperature should vary no more than 0 5 C or a total of IC 7 Let the chamber stay at 85 C for two hours 8 After two hours at 85 C set the F4 Controller Set Point 1 to 65 C 9 The high stage compressor should turn ON within a few seconds Then the low stage compressor should turn ON within approximately 30 seconds and the Cool Light should be ON continuously and the Heat Light should be OFF 10 The chamber should cool down to about 60 C and begin controlling Cool Light cycles ON OFF
21. the pallet on the floor Locate the two ramps under the chamber and remove them Attach the ramps to the front of the pallet using the Velcro straps The retainer will be under the ramps and act as a support Carefully roll the chamber off the pallet onto the ramps This should be done with at least two people Preparation For Use NEO i i Inspect the chamber for signs of shipping damage Read this entire manual Select a suitable location to install the chamber Verify the input voltage and phase configuration Connect to the power source Perform following the procedures as described in the Preventive Maintenance section Inspect the electrical compartment Inspect the refrigeration machinery compartment Check the low stage refrigeration charge Check the high stage refrigeration charge Verify the chamber performance Sao TestEquity 1007H Temperature 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 chamber generates a heat load of up to 12 000 btuh during a continuous cool down from a high temperature The chamber must be on a solid and level floor 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 CAUTION Th
22. weigh in 5 pounds of R 404A 5 Verify the cooling performance as outlined in How to verify the chamber performance NOTE If the F4 Controller is cycling Cool Light cycles on off the sightglass may appear 1 2 to 2 3 full This is normal R 508B Low Stage Charge 1 Repair any leaks before recharging 2 Attach a vacuum pump and manifold gauge to the suction discharge and expansion tank ports Attaching to the expansion tank is very important because it is otherwise very difficult to evacuate the tank through the pressure regulator or capillary tube that is connects it to the system 3 Evacuate the system to at least 100 microns Do NOT guess You must use a micron gauge 4 Do NOT put any additives in the system Pentane is NOT necessary or desirable 5 Charge the system until the standby pressure is 110 PSIG Allow time for the charge to equalize as read on the suction and discharge gauges This is 10 PSIG higher than the target amount of 100 PSIG This corresponds to about 13 ounces See NOTE below 6 Verify the cooling performance as outlined in How to verify the chamber performance NOTE If the low stage has been evacuated and recharged the standby pressure should be rechecked after 24 hours to make sure it is 100 PSIG This is because the refrigerant mixes with the POE oil in the compressor causing a lower standby pressure than was initially observed Do not mistake this initial loss of pressure with a leak Aft
23. 0 F This is NOT an explosion proof chamber WARNING Do NOT put items in the chamber which can emit corrosive vapors or substances WARNING This chamber is NOT a curing oven There are NO provisions for venting fumes A WARNING The chamber door must remain closed while the chamber is operating If you need to open the door while the chamber is operating wear safety goggles to prevent the high velocity airflow from blowing particles or objects into your eyes WARNING This chamber operates at extreme temperatures Avoid contact with air objects and surfaces that are hot or cold to prevent severe burns or frostbite Protective gloves are recommended TestEquity 1007H Temperature Chamber Page 1 3 Chapter 2 Installation Chapter 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 1 Cut the two metal bands that hold the packaging to the pallet 2 Remove the top cover 3 Remove the plastic fasteners that hold the outer box together and remove the outer box 4 Locate the retainer in the front of the pallet Remove the two screws then remove the D M retainer Keep in mind that there is also Velcro that holds the retainer in place Place the retainer in the front of
24. 1 to 50 0 C Leave Set Point 2 at 85 0 RH 9 The high stage compressor should turn ON if it was not already ON the Cool Light should be ON continuously and the Heat Light should be OFF The humidity will drop at this point 10 The chamber should cool down to about 55 C and begin controlling Cool Light cycles ON OFF 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 compressors 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 to stabilize at 85 0 2 0 RH 12 Next change Set Point 2 to 50 0 RH Leave Set Point 1 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 stabilize at 50 0 2 0 RH 14 This concludes the controlled humidity chamber performance verification tests TestEquity 1007H Temperature Chamber Page 8 5 Chapter 8 Maintenance How to Inspect the Electrical Compartment 1 Disconnect the chamber from the power source 2 Turn the Main Disconnect Switch to the OFF position 3 Remove the lower door retaining screw located on the right side Open the lower door 4 Check for loose components loose wires burned insulation near terminals and burned or excessively pitte
25. 39 min Note Transition times are measured after a 2 hour soak at the start temperature with an empty chamber Does not include the effect of proportional band when approaching setpoint Input Power Requirements Current Minimum Phase Draw Service 230 V 10 60 Hz 1 PH 25A 30 A 3 PH 19 A 25 A 208 V 5 10 60 Hz 1 PH 28 A 35 A 3 PH 21A 30 A Input may be configured for 1 or 3 phase in the field by changing jumpers 3 Phase load is semi balanced Workspace Dimensions 24 W x 21 Hx 24 D 7 cubic feet Outside Dimensions 33 W x 68 75 H x 50 D nominal Door latch adds 3 to width on right side may be removed to permit move in through a 36 doorway Circulator motor housing adds 6 to height Min Installed Clearance 12 from the left and right side 24 from the rear Access Ports 4 Port on left and right side two total Supplied with foam plugs Weight 900 pounds 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 1007H Temperature Chamber Page 7 1 Chapter 7 Specifications F4 Controller Specifications Specifications as configured for the TestEquity 1007H Chamber Accuracy am
26. 5 Chapter 4 F4 Temperature Humidity Controller 4 1 Introduction 4 1 Security Features 4 1 F4 Controller Keys and Displays 4 2 Main Page 4 3 Static Set Point Control 4 4 Humidity Operation 4 5 Humidity Mode Enable 4 5 Standard Humidity Range 4 6 Humidity Mode Considerations 4 6 System Enable Function 4 7 Event Outputs for Customer Use 4 8 Digital Output Connections 4 8 Event Board Option 4 8 GN2 Purge Optional 4 9 Installation 4 9 Operation 4 9 Table of Contents Profile Programming Step Types How to Program a New Profile Programming Hints Profile Key How to Start a Profile How to Hold Resume a Running Profile How to Terminate a Running Holding Profile How to Delete or Re Name a Profile How to Edit a Profile Profile Examples Operations Page Setup Page Factory Page Computer Interface RS 232C Common Modbus Registers GPIB optional Ethernet optional Chapter 5 Limit Controller 4 10 4 10 4 12 4 13 4 13 4 13 4 14 4 14 4 14 4 15 4 16 4 17 4 17 4 18 4 18 4 18 4 18 4 18 4 18 5 1 Introduction Limit Controller Keys and Displays 5 1 5 2 How to Set the High and Low Temperature Safety Limits 5 2 Resetting an Out of Limit Condition 5 2 Silencing the Audible Alarm 5 2 Protecting an Energized Test Sample 5 3 Chapter 6 Frequently Asked Questions 6 1 Chapter 7 Specificati
27. 8 V 5 10 or 230 V 10 is present Also make sure the chamber is properly configured for either 208 V or 230 V nominal input as described in Chapter 2 Input Power Configuration If you have a 208 V line that measures less than 198 V the chamber will require boost transformers If you have a 240 V line that measures over 252 V a 240 V line which is 10 high could measure up to 264 V the chamber will require bucking transformers These transformers are available from TestEquity part number TE 0702F for a reasonable cost and are easy to install in the field Why doesn t the chamber come with a power cord and plug Most local electrical codes require permanent wiring for this type of equipment If used as a portable device a flexible wire with a plug may be acceptable but local codes may limit the length to 6 feet TestEquity recommends that the appropriate method for your installation be determined by a qualified electrician who is familiar with industrial plant wiring I need to send the chamber outside North America Will it work with their power Outside North America most countries have 50 Hz Standard voltages in Europe are typically 220 V to 240 V while Japan is 200 V Operation at 220 V to 240 V 50 Hz requires a bucking transformer to lower the voltage at the compressor to its 50 Hz rating of 200 V This transformer is available from TestEquity for a reasonable cost and is easy to install in the field Note that the cooling perfo
28. Hysteresis 75 0 C 167 0 if F Alarm Sides High Alarm Logic Open on Alarm Show Message Yes on Main Page Main Page Go to Setup Alarm Output 2 Name HUM RANGE Alarm Type Process Alarm Source Input 1 Latches Self Clears Silencing No Alarm Hysteresis 2 0 C 3 6 if F Alarm Sides Both Alarm Logic Open on Alarm Show Message No 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 75 0 C 103 0 if F High Scale 175 0 C 347 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 Name Yes Name Digital Out HUMIDITY Function Event Output Main Page Go to Setup Digital Output 2 7 Name No Function Event Output Main Page Go to Setup Digital Output 8 Name No Function Compressor Comp On Pwr 2 Comp Off Pwr 2 Comp Off Delay 60 sec Comp On Delay 10 sec Communications Menu Main Page Go to Setup Communications Baud Rate 9600 Address 1 Custom Main Page Main Page Go to Setup Custom Main Page PI Input 2 P2 Current File P3 Current Step P4 Set Point 1 PS Set Point 2 P6 Step Type P7 Target SP1 P8 Target SP2 P9 Wait For Status P10 Jump Count Pll Time Remaining P12 Digital Outs P13 Power 1 P14 Pow
29. Limit Controller s temperature limits are exceeded TestEquity 1007H Temperature 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 ge Up Down Keys O rw When in a menu scrolls through available options for any given prompt In other menus can change set points upper display and modify the upper display to a higher or lower value EZ Key RESET Key Advance Key O 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 W 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
30. M CUSTOM 32 100004 1 ea Compressor Tecumseh AW610ET 111 A4 1 p 07 382576 2 ea Expansion Tank Refrigeration Res 5315 Type 3 5 100328 1 ea Expansion Valve Ambient Cooling Sporlan SBFS AA C 22 100327 1 ea Expansion Valve Suction Cooling Sporlan SBFS AAA C 36 100525 1 ea Expansion Valve Sporlan SBFS AA ZP 17 21 100526 1 ea Filter Drier R404A Sporlan CW 033 S 10 100016 1 ea Filter Drier R508B Danfoss 0232505000 34 100318 1 ea Gauge 0 x 400 PSIG Pressure Miljoco CUSTOM 13A B 100495 2 ea Gauge 30 x 200 PSIG Compound Miljoco CUSTOM 15A B 100494 2 ea Oil Separator Temprite 900 4 100536 1 ea Pressure Control Johnson Controls P70EA 10C 31 100326 1 ea Pressure Control Dual Johnson Controls P70NA 1C 14A 14B 100015 2 ea Regulator Discharge Pressure Danfoss 03410097 28 100377 1 ea Regulator EPR Sporlan ORIT 6 30 100 5 8 ODF 27 100332 1 ea Regulator Hot Gas Bypass Sporlan ADRI 1 0 55 strgt 3 8x3 8 ODF 9A 9B 100012 2 ea Rotalock Copeland 998 05 10 44 3 100003 1 ea Service Port J B Products A31136 6 100017 1 ea Sight Glass Danfoss 140 0143 11 100081 1 ea Solenoid Valve Sporlan XUP 18B C 100566 2 ea Solenoid Valve Sporlan XXF 18A D 100577 2 ea Strainer Supco S218 29 100050 1 ea General Parts Description Mfr Mfr Part No Ref Part Qty UOM Caster Rigid RollMaster 35 16 11 300012 2 ea Caster Swivel RollMaster 35 15 11 300011 2 ea Door Gasket Inner CUSTOM CUSTOM 1 ea Door Gasket Outer CUSTOM CUSTOM 1 ea Door Latch Chamber Workspace
31. TESTEQUITY Model 1007H Temperature Humidity Chamber With F4 Controller and EZ Zone Limit Controller 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 2007 2010 TestEquity LLC Rev 2 3 12 13 2010 Table of Contents Chapter 1 Safety Instructions 1 1 Introduction OHM Installation Safety Notices 1 1 Operation Safety Notices 1 2 Chapter 2 Installation 2 1 Uncrating 2 1 Preparation For Use 2 1 Installation Location 2 2 Input Power Configuration 2 3 Overview 2 3 Voltage and Phase Configuration 24 Connection to the Power Source SS Humidity Water Connection 2 6 Plumbed Demineralized Water Installation 2 6 Water Recirculation System Installation 2 6 Water Recirculation System Filter Cartridge Replacement 2 6 Water Recirculation System Assembly 2 7 Chapter 3 Operation 3 1 Introduction ____ gt S OA Summary of Chamber Operation 3 1 Front Panel Switches and Lights 3 2 Main Disconnect Switch 3 2 Master Switch 3 2 Light Switch 3 2 Silence Switch 3 2 Heat Light 3 2 Cool Light 3 2 Humidity Enable Light 3 3 Humidity Light 3 3 Loading the Chamber 3 4 Performance Considerations 3 4 Port Plugs 3 5 Avoiding Moisture non humidity mode 3 5 Internal Test Fixtures 3
32. aintenance 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 cartridge if provided Every 3 Months e Inspect the door seal e Inspect the refrigeration machinery compartment e Verify the chamber performance Every 6 Months e Inspect the electrical compartment e Clean the condenser e Drain the humidity system Every 12 Months e Verify the calibration TestEquity 1007H Temperature 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 surfaces with a damp cloth mild detergent or stainless steel cleaner Avoid cleaners that are abrasive or leave a residue Do NOT use steel wool e If you clean the interior with something other than water you may want to operate the chamber at high temperature approximately 125 C after cleaning This helps to bake out any residue Remove the port plugs to permit the residual vapors to escape e Clean the silicone door gaskets with a damp cloth or mild detergent e Clean the exterior painted surfaces with a damp cloth or mild detergent If you are using a detergent test a small inconspicuous area to make sure it does not damage the finish How to Listen for Abnormal Noise or Vibration You should become
33. ample exceeds the live load rating of the chamber or if the chamber s refrigeration system fails This chamber has a set of safety contacts that can be used to remove power to your test sample if the Limit Controller s temperature limits are exceeded The safety contacts are rated as follows Resistive 10 A 250 VAC or 10 A 28 VDC Inductive 7 A 250 VAC To access the safety contacts 1 Turn the Main Disconnect Switch to the OFF position 2 Remove the lower door retaining screw located on the right side Open the lower door 3 Locate the Terminal Strip on the electrical sub panel Connections to the safety contacts are at terminals Al and A2 500000 pon LUD u Di Terminal Strip 00 A1 A2 Figure 5 2 Location of Safety Contact Connections on the Electrical Sub Panel TestEquity 1007H Temperature Chamber Page 5 3 Chapter 6 Frequently Asked Questions Chapter 6 Frequently Asked Questions The input voltage label says 230 or 208 VAC I thought I had 220 or 240 VAC Is that ok 220 V is a misnomer there is no such standard as nominal 220 V in the United States You must verify the exact type of electrical service you have If there is any doubt you must consult with a qualified electrician who is familiar with industrial plant wiring In addition the input line voltage should be measured while the chamber is operating in the COOL mode to ensure that the expected nominal voltage of either 20
34. an end step type of All Off or Control Off This does not turn off the chamber fan The chamber temperature can reach 55 C just from heat generated by the fan 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 e If you must turn off all chamber functions at the end of a profile see System Enable Function in Chapter 4 If this function is used the you must remember to set DIGIT OUT2 to On in all programmed steps when the chamber is to be operational 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 Start a Profile menu e The Profile Indicator will begin blinking Press the A key for Yes v No A Yes 2 Select the desired stored profile Start Profile e Press the Aor Y to scroll through the list of Profilet stored profiles gt Profile2 A e Press to select the desired profile Profile3 Vv 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 lt also start on any other step
35. assume you have 220 V You must verify the exact type of electrical service you have If there is any doubt you must consult with a qualified electrician who is familiar with industrial plant wiring In addition the input line voltage should be measured while the chamber is operating in the COOL mode to ensure that the expected nominal voltage of either 208 V 5 10 or 230 V 10 is present Operation below 198 V or greater than 253 V requires internal transformers which can be supplied for a nominal charge Control Transformer L1 L2 L3 TR1 Disconnect So sob DI JUL Terminal H3 Figure 2 1 Location of Input Configuration Terminals on the Electrical Sub Panel TestEquity 1007H Temperature Chamber Page 2 3 Chapter 2 Installation Voltage and Phase Configuration NOTE Refer to Figure 2 1 on the previous page for the location of the input voltage configuration terminals on the electrical subpanel that are described below To access the electrical subpanel turn the Disconnect Switch to the OFF position Remove the lower door retaining screw located on the right side Open the lower door 230 V 60 Hz Input Configuration 1 Locate the Control Transformer TR1 Wire number T1 must be connected to the 230 V terminal 4 on Control Transformer TR1 2 Locate the Terminal Strip On the bottom of terminal H3 there must be only wire H3 NOT H3A Wire H3A must be capped off 208 V 60 Hz Input Configuration 1
36. ation system on the back left side of the chamber Attach the pump outlet hose to the bottom fitting of the filter Place the pump in the water tank Attach the chamber Water Supply hose from the chamber to the top fitting of the filter Attach the chamber Drain hose to the chamber and position it so it goes into the water tank Fill the water tank with clean water Place the cover on the water tank Plug the pump electrical line into the receptacle labeled Pump on the rear of the chamber SOR PIER Water Recirculation System Filter Cartridge Replacement The demineralizer filter cartridge must be replaced when it is used up The color of the bottom half of the cartridge changes gradually through continued use Replacement cartridges are available from TestEquity part number TE 0014 for a carton of 6 cartridges The demineralizer filter cartridge will last longer if pre filtered water is used although this is not a requirement Rather than filling the recirculation system reservoir with tap water you can use filtered drinking water not spring water or distilled water supermarket quality but not triple distilled lab quality Page 2 6 TestEquity 1007H Temperature Chamber Chapter 2 Installation Water Recirculation System Assembly Use clamp on each end of filter to prevent leaking Do not overtighten Pump placement in water tank Finger tighten the Water Supply and Drain connections to chamber Plug pu
37. ave 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 power to remote devices Event is named HUMIDITY in the Profile Create and Edit menus 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 Page 4 10 TestEquity 1007H Temperature Chamber 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 the F4 s Profile Program memory the controller will terminate the profile and turn off all outputs if Continue Hold or Terminate was selected as the Power Out action If Profile Reset or Go to Idle Set Point was selected the controller will take those actions A pop up message will warn of this when the 21st jump step is programmed End Step End terminates the profile in a chosen state All profiles must have an End step It cannot be deleted or changed to another step type Define the End by choosing Hold Control Off All Off or Idle en
38. below room temperature to prevent nuisance tripping 3 Press the key once again to get the prompt in the lower display This is the High Limit Set Point prompt 4 Press the Aor W 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 6 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 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 Silencing the Audible Alarm The SILENCE switch on the chamber front panel lets you temporarily turn off the Audible Alarm even though the High or Low Limit condition may still exist Page 5 2 TestEquity 1007H Temperature Chamber Chapter 5 Limit Controller Protecting an Energized 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 s
39. cedure ensures the longest possible life for the high stage compressor if the chamber has been removed from the power source for more than 24 hours Can the person who services our air conditioning also service the chamber Probably not Most air conditioning mechanics are not familiar with low temperature cascade refrigeration systems While this chamber is relatively easy to maintain and repair most air conditioning mechanics do not have the necessary refrigerants and may not be familiar with the microprocessor based controls This chamber should only be serviced by a qualified mechanic that is familiar with low temperature cascade refrigeration systems Call TestEquity to recommend one in your area or to check if the 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 refrigerants TestEquity chambers do not use CFC based refrigera
40. ch SPST Rocker Carlingswitch LRA211 RA B 125N SW1 2 200023 2 ea Temperature Humidity Controller Watlow F4DH CKCC 01AC TCRI 200084 1 ea Timing Module Off Delay Airotronics TH3ML1060SC TM2 200085 1 ea Timing Module On Delay Airotronics THC1030SC TM1 200084 1 ea Transformer 20VAC Hammond 166D20 TR2 200087 1 ea Transformer Control Hammond PH350MLI TRI 200219 1 ea Chart Recorder Option Recorder 2 Pen 10 Honeywell DR4302 0000 G0100 RCDI 200098 1 ea Retransmit Output Watlow Z100 0745 0006 in TCR1 200074 1 ea Paper 90 to 210 C 0 to 100 Graphic Controls 32002974 Custom 200155 1 ea Pen Purple Six Pack Honeywell 30735489 007 200097 1 ea Pen Red Six Pack Honeywell 30735489 002 200099 1 ea Page 8 16 TestEquity 1007H Temperature Chamber Chapter 8 Maintenance Major Refrigeration Parts Description Mfr Mfr Part No Ref Part Qty UOM Cap Tube Bleed 0 050 x 36 J B Products TC50 30 100019 1 ea Cap Tube DH 0 050 x 40 J B Products TC50 24 100019 1 ea Capillary tube Strainer Assembly CUSTOM 100496 35 100496 1 ea Cascade Condenser Flatplate CH1 1 2 A 20 100020 1 ea Check Valve Henry 116004 22 100329 1 ea Coil Ambient CUSTOM CUSTOM 26 100324 1 ea Coil Dehumidify CUSTOM CUSTOM 25 100323 1 ea Coil Desuperheater CUSTOM CUSTOM 2 100503 1 ea Coil Main Evaporator CUSTO
41. ckout 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 Autotune PID menu is hidden because this function should never be used as it will result in erratic performance The Alarm SP is also hidden because the F4 alarms are configured for internal protection of the humidity system and must never be changed 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 Page 8 20 TestEquity 1007H Temperature Chamber Chapter 8 Maintenance EZ Zone Limit Controller Setup Parameters 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 un
42. connect Switch 3 Pole 45A ABB OT45E3 DSW 200014 1 ea Float switch level control Crydom RSF44Y100RF LS1 LS2 200182 2 ea Fuse 15A Bussman LP CC 15 F5 8 200187 4 ea Fuse 15A Bussman FNQ R 15 F3 4 200188 2 ca Fuse 3A Bussman FNM 3 F11 200186 1 ea Fuse 4A Bussman FNQ R 4 F1 2 200183 2 ea Fuse 10A Bussman KTK R 10 F9 10 200118 2 ea Heat Limiter Thermodisc GSA 01 240C HL 200070 1 ea Heater Air CUSTOM CUSTOM HTI 200181 1 ea Heater Humidifier CUSTOM CUSTOM HT2 200076 1 ea High Low Limit Controller Watlow PM6L1AJ AAAABAB TCR2 200301 1 ea Humidity Sensor Vaisala HMM30C RHS 200088 1 ea Indicator Panel 125V Neon SoLiCo S412 2 1 N1 PL2 3 200025 2 ea Indicator Panel 250V Neon SoLiCo S412 2 1 N2 PL1 4 200026 2 ea Light 40W 120V Generic Generic LTI 300096 1 ea Pump Receptacle Leviton ML2 PER RCP1 200158 1 ea Relay DPDT 30A Magnecraft W92S11A22D 120 C4 200258 1 ea Relay Octal DPDT 10A 120VAC Idec RR2P UCAC120 CRI 3 4 200292 3 ea Relay SPDT 5A 120VAC Omron G2R 1 T AC120 CR2 5 200160 2 ea Solenoid Valve Coil Sporlan OMKC 1 120 50 60 SV1 4 100344 4 ea Solenoid Valve Humidifier Fill Asco 8262G20 SV5 200183 1 ea Solid State Relay 10A Omron G3NE 210T US DC5 SSR4 6 200129 3 ea Solid State Relay 25A Siemens SSRT 240D25 SSR1 2 200021 2 ea Solid State Relay 5A Omron G3NA 205B DC5 24 SSR3 200032 1 ea Solid State Relay 5A AC input Carlo Gavazzi RM1A23A25 SSR8 200268 1 ea Switch SPST Momentary ON Carlingswitch RD221 MR B 0 N SW3 200024 1 ea Swit
43. d contacts on contactors How to Clean the Condenser 1 Disconnect the chamber from the power source 2 Turn the Main Disconnect Switch to the OFF position 3 Remove the lower door retaining screw located on the right side Open the lower door 4 Clean the condenser and desuperheater fins with a vacuum cleaner NOTE You may need to clean the condenser more frequently if the chamber is in a dusty environment You may be able to clean the condenser less frequently if the chamber is in a very clean environment How to Drain the Humidity System 1 Wait at least 2 hours after running a humidity test before draining the system 2 Turn all front panel switches and the Disconnect Switch OFF 3 Remove the left side panel left side if facing the front of the chamber 4 Open the Drain Valve by turning its handle 90 degrees counter clockwise as if you are facing the front of the valve handle 5 After the system is drained close the Drain Valve by turning its handle 90 degrees clockwise as if you are facing the front of the valve handle closed position shown Figure 8 1 Humidity Drain Valve Page 8 6 TestEquity 1007H Temperature 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 seld
44. d corrosion never use iron or mild steel even if it is painted or plated Aluminum may be used However since the specific heat of aluminum is double that of steel it represents a greater load and will have more impact on the chamber performance Make sure that all connectors wiring pc boards and auxiliary components can withstand the temperature extremes that they will be subjected to In some cases these components may not be able to last after repeated tests and should be considered expendable TestEquity 1007H Temperature 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 Digital outputs profiles and alarms can be named for easy reference An Information Key gives you quick information about the pages menus parameters and values as well as error and alarm conditions if they occur The user interface is organized into five pages of menus N CAUTION The Series F4 alarms are configured and dedicated for internal protection of the humidity system Do NOT change their configuration under any circumstances The independent EZ Zone Limit Controller functions as the main protection de
45. d state NOTE TestEquity recommends having the end step type to be Hold or Idle TestEquity does NOT recommend using an end step type of Control Off or All Off This does not turn off the chamber fan The chamber temperature can reach 55 C just from heat generated by the fan and even higher if your test sample is energized Wait For step option The use of Wait For in a profile is optional Ramp Time Ramp Rate and Soak steps can be programmed to wait for a particular chamber temperature or event input condition The wait conditions must be satisfied before the time clock and the step activity proceeds Digital inputs must first be configured in the System Menu as Wait For Events with the condition to be met also specified Then to wait for this digital input you must specify On meaning the condition as configured in the Setup Page or Off meaning the opposite of that condition The digital inputs have been configured to Off by TestEquity so this option will not show unless reconfigured Guaranteed Soak step option The use of Guaranteed Soak in a profile is optional The Guaranteed Soak step requires the chamber temperature to be at the set point temperature within the Guaranteed Soak Band value before the time clock and the step activity proceeds The Guaranteed Soak Band is configured by TestEquity to 3 0 C for SP1 and 5 0 RH for SP2 and this can be changed in the System Menu TestEquity 1007H Temperature Chamber Page 4 11 Cha
46. e 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 Thermocouple Input Procedure for Input 1 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 Vaisala HMM30C capacitive type sensor is used to measure humidity Firmware within the F4 Controller provides temperature compensation for the sensor over its measuring range The HMM30C sensor specifications are Sensor accuracy at 20 C 2 RH 0 to 90 WRH 3 RH 90 to 100 RH Ambient temp coefficient 0 04 RH C after temperature compensation 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 TestEquity 1007H Temperature Chamber Page 8 7 Chapter 8 Maintenance Humidity Sensor Calibration and Maintenance Humidity sensor calibration can be checked with Vaisala s one point calibrator the HMI41
47. e minimum clearance you should allow for proper ventilation around the chamber must be at least 12 from both the left and right side and 24 from the rear N 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 Page 2 2 TestEquity 1007H Temperature Chamber Chapter 2 Installation Input Power Confiquration Overview This chamber is designed to be easily configured for operation from a Single Phase or Three Phase power source and either 208 V 60 Hz or 230 V 60 Hz Other input voltages and 50 Hz operation are available as special options and are not covered in these instructions Your chamber was configured prior to shipment for the particular voltage that was specified at time of order These instructions should be used to verify the input voltage configuration prior to installation or to change the input voltage from one configuration to another CAUTION The Input Voltage label on the back of the chamber indicates the input voltage configuration as shipped from the factory If the input voltage configuration is changed this label must be replaced to reflect the new configuration Replacement labels are available from TestEquity at no charge ZA CAUTION This chamber must be properly configured for either 208 V or 230 V nominal input 208 V and 230 V are NOT the same Do NOT guess Do NOT
48. e solenoid valve 18 19A to the capillary tube strainer assembly 35 The capillary tubes feed the finned evaporator coil 32 which is located in the air plenum where heat is absorbed to provide a cooling effect within the chamber The refrigerant vapor travels through the suction line to the compressor 1 suction inlet The compressor takes the low pressure vapor and compresses it increasing both the pressure and the temperature The hot high pressure vapor is forced out the compressor discharge valve and into the desuperheater 2 As the high pressure vapor passes through the desuperheater it is air cooled to remove some sensible heat Next the vapor goes through the oil separator 4 which returns any entrained oil back to the compressor s crankcase The vapor flows through the condenser circuit of the cascade condenser where it is condensed back into a liquid During a high temperature pull down or a continuous bypass condition it is possible for excessive hot gas to return to the compressor The suction line cooling thermostatic expansion valve 21A senses the suction line temperature and injects liquid refrigerant to cool the hot gas within safe limits The low stage discharge pressure is kept within safe limits with the discharge pressure regulator valve 28 If the discharge pressure exceeds 250 PSIG the discharge pressure regulator valve will dump refrigerant vapor into the expansion tank 5 This refrigerant is slowly
49. eater is shorted to chassis Does not cool at all If F4 Controller light 1B is ON the DigitalOut prompt shows an 8 both compressors are OFF If F4 Controller light 1B is ON the Cool light is ON both compressors are ON Pressure switch DPS1 or DPS2 is tripped Solenoid valve SV1 or SV3 if in Humidity mode may be defective in closed position R 404A pressure switch DPSI trips on rear right side Trips after operating for a while Trips immediately after turn on Ambient temperature may be too high over 90 F Dirty condenser inadequate clearance from back of chamber to wall Low charge leak R 508B pressure switch DPS2 trips on rear left side Trips at random times when in cooling mode Trips when the cool light cycles to OFF Trips only during a high temp pull down Debris or moisture in the refrigeration system Hot gas bypass regulator may be defective or set too low R 508B discharge pressure regulator may be defective R 508B standby pressure is less than 95 PSIG When unit is off and system is equalized Low charge leak R 404A sightglass has bubbles or does not look full During all running conditions Only when cool light is cycling Low charge leak No problem This is normal Cools too slowly or does not reach 73 C R 508B standby is ok no bubbles in R 404A sightglass Chamber interior is overloaded Test
50. ed on the back wall of the chamber where air is sucked in from the bottom and exits from the top You should not place the test sample directly on the chamber floor It should be placed on the shelf Multiple test samples should be distributed throughout the chamber to ensure even airflow and minimize temperature gradients If necessary 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 thermocouple meter or data logger Page 3 4 TestEquity 1007H Temperature Chamber Chapter 3 Operation 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 Port Plugs Foam port plugs are 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 f
51. er and main disconnect switch is on during that time The chamber must be connected to the power source AND the main disconnect switch must be on for 3 hours prior to operating the chamber R 404A crankcase heater defective open TestEquity 1007H Temperature Chamber Page 8 13 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 High Stage Charge TestEquity does NOT recommend charging the system by relying on a clear sight glass only Although a clear sight glass generally means the system is fully charged it can be misleading For example if the system is charged on a cool day or with an empty chamber it could be undercharged for hot days or with a heavy load The proper charging procedure is as follows 1 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
52. er 2 P15 Time P16 Date 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 1007H TestEquity 1007H Temperature Chamber Page 8 19 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 Reset A 0 10 min Rate A 0 00 min Dead Band A 0 0 C Hysteresis 0 0 Proportional Band B 5 0 C 9 0 if F Reset B 0 10 min Rate B 0 00 min Dead Band B 0 0 Hysteresis 0 0 PID Set Channel 2 Main Page Go to Operations Edit PID PID Set Channel 2 PID Set 6 10 Proportional Band A_10 0 Reset A 0 20 min Rate A 0 00 min Dead Band A 0 0 Hysteresis 0 0 Proportional Band B 10 0 Reset B 0 20 min Rate B 0 00 min Dead Band B 0 0 Hysteresis 0 0 Alarm Setpoints Menu Main Page Go to Operations Alarm Setpoints HUM OVRTMP Alarml Alarml Low SP 0 C 32 if F Alarm1 High SP 125 C 257 if F HUM RANGE Alarm2 Alarm2 Low SP 7 0 C 44 6 if F Alarm2 High SP 90 0 C 194 0 if F NOTE The Series F4 alarms are configured for internal protection of the humidity system Do NOT change this configuration under any circumstances The independent EZ Zone Limit Controller functions as the main system and product protection device Series F4 Set Lo
53. er verifying that there is no leak you may need to top off the charge if the pressure is too low Page 8 14 TestEquity 1007H Temperature Chamber Chapter 8 Maintenance Recommended Spare Parts Replacement parts are available from TestEquity Parts are generally in stock and ready for immediate shipment Next day delivery is always available If you cannot risk being out of service for even one day then you should purchase critical spare parts in advance Although most parts are standard and available from a variety of local distributors some parts are either harder to find or custom The following is a list of the kinds of parts that you may want to purchase in advance Electrical Parts Contactors Relays Fuses Heat Limiter Circulator Motor and Fan Switches Refrigeration Parts Solenoid Valves Expansion Valves Regulator Valves TestEquity 1007H Temperature Chamber Page 8 15 Chapter 8 Maintenance Major Electrical Parts Description Mfr Mfr Part No Ref Part Qty UOM Arc Suppressor ITW Paktron 104M06QC100 AS1 4 6 200115 5 ea Audible Alarm Floyd Bell MC 09 201 Q ALI 200005 1 ea Circulator Motor Kit CUSTOM CUSTOM FM3 100575 1 ea Contactor 3 P 30A Hartland HCC 3XT02SX C1 3 200245 3 ea Crankcase Heater 45 W 120 V Copeland 018 0038 00 CCI 100030 1 ea Dis
54. erations Menu Appropriate Low Limit Set Point Prompt Function Setting Alternate Setting Low Set Point High Set Point Calibration Offset O0 Appropriate High Limit Set Point 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 TestEquity 1007H Temperature Chamber Page 8 21 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 of the original manufacturer s warranty if any exists If the repair or replacement is performed in
55. es F4 Setup Parameters 8 19 Series F4 Operations Parameters 8 20 Series F4 Set Lockout Parameters 8 20 EZ Zone Limit Controller Setup Parameters 8 21 Setup Menu 8 21 Operations Menu 8 21 Chapter 9 Warranty 9 1 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 CAUTION or WARNING statement The electrical hazard symbol A precedes an electric shock hazard CAUTION or WARNING statement Installation Safety Notices CAUTION The minimum clearance you should allow for proper ventilation around the chamber must be at least 12 from both the left and right side and 24 from the rear N 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 CAUTION The Input Voltage label on the back of the chamber indicates the input voltage configuration as shipped from the factory If the input voltage configuration is changed th
56. 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 compressors off e Compressor start up and running noises sequential starting of compressors e Condenser fan noises e Relay and valve cycling noises when cool light is cycling How to Inspect the Door Seal The door has two silicone gaskets to minimize thermal losses and moisture migration e Inspect the gaskets for dirt and tears e Repair minor tears with a high quality RTV silicone such as GE RTV 167 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 e If the seal is not tight adjust the door latch The stainless steel catch on the bracket that is mounted to the chamber has slotted holes to permit adjustment e If the seal is still loose on the hinge side adjust the door hinge The hinges have slotted holes on the door side to permit adjustment Page 8 2 TestEquity 1007H Temperature Chamber Chapter 8 Maintenance How to Inspect the Refrigeration Machinery Compartment WARNING Wear safety goggles when inspecting the machinery compartment to protect agai
57. 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 Water Inlet must be connected to a source of filtered water or the optional water recirculation system 2 Set the F4 Controller Set Point 1 to 85 0 C and Set Point 2 to 85 0 RH Event 1 Digital Output 1 must be ON Turn the Master Switch ON 3 The Heat Light and Humidity Mode Light should be ON continuously and the Cool light should be OFF The Humidity Light should be ON continuously only after the humidifier fills up with water 4 The chamber should heat up to about 80 C and begin controlling Heat Light cycles ON OFF within 7 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 and the compressor should NOT need to turn ON at this point in order to maintain 85 C 6 The chamber humidity should begin to increase within approximately 5 10 minutes after the Humidity Light turns on Then the humidity should increase to 75 RH and the begin controlling Humidity 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 0 5 on a short term basis with no more than a 3 RH dip on an occasional basis 8 Next change Set Point
58. ght PLA provides an indication on the front panel when the humidifier heater is on Water level in the humidifier is maintained by float switch LS1 in the leveling box This switch opens a solenoid valve and energizes the pump for the optional recirculation system to maintain the correct water level in the humidifier An additional float switch LS2 disables the immersion heater until a certain minimum water level is reached The immersion heater has an imbedded thermocouple which is connected to Input 3 of the F4 Controller to control its Alarm 1 output This provides failsafe protection against a heater failure in the event of a low water condition by opening the humidifier heater contactor C4 if the heater reaches 125 C TestEquity 1007H Temperature Chamber Page 8 9 Chapter 8 Maintenance Refrigeration System non humidity mode In non humidity mode cooling is accomplished by a cascade refrigeration system A cascade refrigeration system consists of two interdependent refrigeration systems The low stage provides cooling to the chamber interior through a finned evaporator coil 32 which is located in the air plenum The high stage provides cooling to the cascade condenser 20 The cascade condenser is a heat exchanger that has one circuit which is the evaporator of the high stage and another circuit which is the condenser of the low stage The high stage uses refrigerant R 404A High pressure liquid refrigerant is fed from the c
59. he high stage compressor if the chamber has been removed from the power source for more than 24 hours 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 CKCC 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 The Series F4 alarms are configured for internal protection of the humidity system Do NOT change this configuration under any circumstances 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
60. imes 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 N CAUTION NEVER select Full Defaults in the Factory Test Menu This will erase all the correct values which are documented in the Series F4 Temperature Controller Setup Parameters section of this manual Computer Interface CAUTION Every setting in the F4 Controller can be accessed via the computer interface Improper modifications to configuration settings can result in erratic performance and unreliable operation RS 232C The F4 Temperature Controller has an RS 232C interface A DB 9 connector is located on the rear panel It is wired to accommodate a null modem cable To communicate with the controller from a PC you need to run software that uses the Modbus RTU protocol Each controller function has a register number which can be read or written to when applicable These registers are listed Chapter Seven of the Series F4 User s Manual RS 232C Modbus programming resources and LabVIEW drivers can be downloaded from http www testequity com static 11 Common Modbus Registers e Actual chamber temperature reading is register 100 Input 1 Value e Actual chamber humidity reading is register 104 Input 2 Value Static temperature set point is register 300
61. indicator with a HMP46 probe and calibration cable 19165ZZ or the HM70 indicator with a HMP77 probe Make the necessary adjustments with the dry end calibration potentiometer If a more accurate two point calibration is preferred the HMK15 or the HMK13B calibrators with salt solutions are recommended These items are available from Vaisala Inc www vaisala com The humidity sensor element Vaisala HUMIKAP K is replaceable The end of the sensor probe has a sintered filter Vaisala 0195 which can be removed by unscrewing it Handle the sensor by its outer plastic support DO NOT TOUCH THE SENSOR PLATE The sensor and sintered filter can be cleaned with distilled water Do not use any mechanical methods If you are unable to calibrate the sensor first try cleaning the sensor element and filter If this does not help then replace the sensor The above assumes that Input 2 of the F4 Controller is in calibration This can be verified as follows 1 Turn the Disconnect Switch and Master Switch OFF Remove the retaining screw and open the lower door Remove the existing sensor wires on terminals 54 and 58 of the F4 Controller Connect a 0 to 20 mA precision current source to terminal 54 and to terminal 58 Set the precision source to 10 mA Turn the Disconnect Switch ON and leave the Master Switch OFF Make sure the Humidity mode is OFF through Event 1 Digital Output 1 RD The chamber workspace temperature as shown in the upper dis
62. ion A CAUTION The humidity system must be supplied with demineralized water having a specific resistance of 50 000 to 200 000 ohms centimeter The use of unfiltered tap water or triple distilled water will damage the humidity system and chamber interior and will void the warranty Plumbed Demineralized Water Installation Follow these instructions if your chamber is NOT being used with the optional water recirculation system and you are connecting to a plumbed source of demineralized water 1 Attacha supply of demineralized water to the Water Supply fitting on the chamber 2 The chamber drain water is not under pressure and is fed by gravity Therefore it must empty into an open floor drain Alternatively the chamber drain can empty into a condensate pump You can purchase a condensate pump from suppliers such as Grainger www grainger com Water Recirculation System Installation The optional water recirculation system provides a source of demineralized water for the humidity system using ordinary tap or pre filtered water Condensate from the chamber is returned back to the water tank The pump operates only when needed to fill the chamber s humidifier to the correct level All water connections should be finger tight only do not use a wrench Detailed assembly pictures are shown on the next page 1 Attach filter cartridge Use clamp provided on each end of filter to prevent leaking Do not overtighten Position the recircul
63. is label must be replaced to reflect the new configuration Replacement labels are available from TestEquity at no charge ZA CAUTION This chamber must be properly configured for either 208 V or 230 V nominal input 208 V and 230 V are NOT the same Do NOT guess Do NOT assume you have 220 V You must verify the exact type of electrical service you have If there is any doubt you must consult with a qualified electrician who is familiar with industrial plant wiring In addition the input line voltage should be measured while the chamber is operating in the COOL mode to ensure that the expected nominal voltage of either 208 V 5 10 or 230 V 10 is present Operation below 198 V or greater than 253 V requires internal transformers which can be supplied for a nominal charge A CAUTION This chamber should be connected to the AC power source by a qualified electrician who is familiar with industrial plant wiring TestEquity 1007H Temperature Chamber Page 1 1 Chapter 1 Safety Operation Safety Notices IN CAUTION Al CAUTION Al CAUTION IN CAUTION IN CAUTION IN CAUTION Al CAUTION Page 1 2 This chamber has a crankcase heater to protect the high stage compressor The chamber must be connected to the power source AND the Main Disconnect Switch must be ON for 3 hours prior to operating the chamber Although it may be safe to use the chamber immediately this procedure ensures the longest possible life for t
64. ity mode is disabled The chamber will cool in cascade mode If Event 1 is ON the Humidity mode is enabled and the Humidity Enable light will be illuminated as long as the chamber temperature is within 7 C and 90 C The chamber will cool in single stage mode Humidity Light The Humidity Light will illuminate when the F4 Controller turns on the humidifier heater to maintain the workspace humidity The Humidity 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 Note that the Humidity Enable Event 1 must be ON the chamber workspace must be between 7 C and 90 C and the humidifier water level must be correct for the Humidity Light to correspond to the 2A indicator on the F4 Controller The 2B indicator on the F4 Controller lights with dehumidification is required to maintain the workspace humidity There is no corresponding light on the front panel for this function TestEquity 1007H Temperature Chamber Page 3 3 Chapter 3 Operation Loading the Chamber AN 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 or substances Z WARNING This chamber is NOT a curing oven
65. mp wire into receptacle turn clockwise to lock Installation behind chamber is not recommended because it may block the air vents TestEquity 1007H Temperature Chamber Page 2 7 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 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 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 CAUTION This chamber has a crankcase heater to protect the high stage compressor The chamber must be connected to the power source AND the Main Disconnect Switch must be ON for 3 hours prior to operating the chamber Although it may be safe to use the chamber immediately this procedure ensures the longest possible life for the high stage compressor if the chamber has been removed from the power source for more than 24 hours Summary of Chamber Operation Turn the Main Disconnect Switch ON Enter the appropriate high and low temperature safety limits on the Limit Controller Enter the desired set points or program on the F4 Controller Load you
66. ms are configured for internal protection of the humidity system Do NOT change this configuration under any circumstances The independent EZ Zone Limit Controller functions as the main system and product protection device N CAUTION NEVER select Full Defaults in the Factory Test Menu Full Defaults are NOT the TestEquity configuration parameters for this chamber If you select Full Defaults you must reconfigure all System and Operation Parameters as documented in the TestEquity manual NOT the Series F4 User s Manual TestEquity has configured the F4 Controller with the parameters as documented on the following pages Page 8 18 TestEquity 1007H Temperature Chamber 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 Chl 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 Thermocouple Type T Choose Decimal 0 0 SP Low Limit 75 0 C 103 0 if F SP High Limit 175 0 C 347 0 if F Calibration Offset 0 0 C Filter Time 1 0
67. nst a refrigerant line which could break Turn the Main Disconnect Switch OFF Remove the side and rear panels 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 AD Inspect for signs of insect or rodent infestation Yes it does happen How to Check the Low Stage Refrigerant Charge The low stage refrigerant charge is checked by observing the standby pressure also known as static or balance pressure 1 Make sure the chamber has been off for at least 8 hours 2 Locate the two low stage gauges marked R 508B on the left side of the rear of the chamber 3 The two gauges have different scales However they should read the same value of pressure This indicates that the system is equalized and an accurate reading can be taken 4 Both R 508B gauges should read between 95 and 105 PSI 5 If the pressure is low this indicates that there is probably a leak 6 If one gauge is low and the other is high then the system is not equalized yet and an accurate reading cannot be made Wait until both gauges read the same pressure NOTE If the low stage has been evacuated and recharged after a repair the standby pressure should be rechecked after 24 hours to make sure it is between 95 and 105 PSI This is because the R 508B refrigerant mixes with the oil
68. nts The high stage system uses R 404A which is also known as DuPont Suva HP62 The low stage system uses R 508B which is also known as DuPont Suva 95 TestEquity 1007H Temperature Chamber Page 6 3 Chapter 7 Specifications Chapter 7 Specifications Model 1007H Chamber Specifications Temperature Range 73 C to 175 C Control Tolerance 0 5 C 0 2 C Typical Measured at the control sensor after stabilization Uniformity 0 5 C Variations throughout the chamber after stabilization Humidity Range 10 RH to 95 RH in the temperature range of 10 C to 85 C Low humidity range limited by a 6 C dewpoint Control Tolerance 3 RH Measured at the control sensor after stabilization Live Load Capacity 23 C 0 C 40 C 55 C 65 C 1000 W s00W 500W 400 W 300 W Live load capacity for non humidity mode Cool Down Transition Time End Temp Start Tempto gt 23 C 0 C 40 C 55 C 65 C 73 C 23 C 4 min 18 min 25 min 33 min ultimate 50 C 5 min 11 min 27 min 36 min 45 min ultimate 85 C 13 min 20 min 37 min 47 min 55 min ultimate 150 C 32 min 39 min 58 min 65 min 76 min ultimate Heat Up Transition Time End Temp Start Tempto gt 23 C 50 C 85 C 125 C 150 C 175 C 423 C wwe 1 5 min 7 min 14 min 20 min 25 min 0 C 1 5 min 3 5 min 13 min 20 min 23 min 31 min 40 C 6 min 11 min 17 min 24 min 30 min 35 min 55 C 8 min 13 min 19 min 26 min 32 min 37 min 65 C 10 min 14 min 21 min 28 min 34 min
69. oak 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 lt successively to exit the Profiles Page or restore values e After exiting the Profiles Page choose A to save V Restore A Save the new profile values or W 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 TestEquity 1007H Temperature Chamber Chapter 4 F4 Temperature Humidity Controller The following are examples of two typical temperature only profiles uncontrolled humidity Profile Examples 40 C to 85 C uncontrolled humidity no ramps 30 minute soak time 4 cycles Ends with 23 C set point Step Step Date Choose Digit Out Chl Ch PID Set Guar Soak Jump to End Idle SP Number Type Day Time Wait for 1 2 3 4 5 6 7 HEMS SP SP Chi Ch2 Chi Ch2 Profile Step Repeats Type Chl 1 Ramp Time gt gt gt gt gt gt gt gt 00 00 01 40 0 gt 1 6 No No 2 Soak gt gt gt gt gt gt gt gt 00 30 00 gt 1 6 Yes No 3 Ramp Time gt gt gt gt gt gt gt gt 00 00 01 85 0 gt 1 6 No No 4 Soak gt gt gt gt gt gt gt gt 0030 00
70. om 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 1 55 C above 50 C and 1 66 C below 50 C Total system accuracy in the chamber includes the controller plus the thermocouple wire accuracy of 1 0 C Total system accuracy over the chamber s operating range is can be as much as 2 66 C although it is typically 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 abov
71. ondenser part of 7 through the filter drier 10 sight glass 11 solenoid valve 18 19B to the thermostatic expansion valve 17 The thermostatic expansion valve controls the feed of liquid refrigerant to the evaporator circuit of the cascade condenser and by means of an orifice reduces the pressure of the refrigerant to the evaporating or low side pressure The reduction of pressure on the liquid refrigerant causes it to boil or vaporize absorbing heat which provides a cooling effect The refrigerant vapor travels through the suction line to the compressor part of 7 suction inlet The compressor takes the low pressure vapor and compresses it increasing both the pressure and the temperature The hot high pressure vapor is forced out of the compressor discharge valve and into the condenser As the high pressure vapor passes through the condenser it is cooled by a fan which blows ambient air across the finned condenser surface The vapor condenses into a liquid and the cycle is repeated The hot gas regulator 9B is adjusted to keep the suction pressure at 10 PSIG during light loading conditions A suction line cooling thermostatic expansion valve 21B senses the suction line temperature and injects liquid refrigerant to cool the suction return gas within safe limits The Low Stage uses refrigerant R 508B High pressure liquid refrigerant is fed from the condenser circuit of the cascade condenser 20 through the filter drier 34 liquid lin
72. ons Model 1007H Chamber Specifications F4 Controller Specifications Chapter 8 Maintenance Preventive Maintenance Intervals Daily or As Needed Every 3 Months Every 6 Months Every 12 Months Maintenance Procedures How to Clean the Chamber Interior and Exterior How to Listen for Abnormal Noise or Vibration How to Inspect the Door Seal How to Inspect the Refrigeration Machinery Compartment How to Check the Low Stage Refrigerant Charge How to Check the High Stage Refrigerant Charge How to Verify the Performance Non controlled humidity mode How to Verify the Performance Controlled humidity mode How to Inspect the Electrical Compartment How to Clean the Condenser How to Drain the Humidity System How to Verify the Temperature Calibration How to Verify the Humidity Calibration Humidity Sensor Calibration and Maintenance Table of Contents Theory of Operation 8 9 Overview 8 9 Air Heating System 8 9 Humidity System 8 9 Refrigeration System non humidity mode 8 10 Refrigeration System controlled humidity mode 8 11 Troubleshooting 8 12 Refrigeration System Charging Instructions 8 14 R 404A High Stage Charge 8 14 R 508B Low Stage Charge 8 14 Recommended Spare Parts 8 15 Major Electrical Parts 8 16 Major Refrigeration Parts 8 17 General Parts 8 17 Series F4 Controller Setup Parameters 8 18 Seri
73. ou are performing a controlled humidity test within the humidity range of the chamber Also the chamber workspace must be between 7 C and 90 C If the chamber is outside this temperature range the F4 Controller s Alarm2 light will turn ON and the chamber will operate as though the Humidity Enable was OFF It takes several minutes for the humidifier to fill to the correct level after the water supply is initially connected to an empty system The humidifier function is disabled until the water level is correct If you are running a high humidity condition it can take approximately 5 10 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 Page 4 6 TestEquity 1007H Temperature Chamber Chapter 4 F4 Temperature Humidity Controller System Enable Function The chamber can be configured to enable or disable all chamber functions through Event 2 Digital Output 2 in the F4 Controller This configuration may be desirable if you want to turn off all chamber function at the end of a programmed profile or through the communications interface The chamber ships from TestEquity with this feature disabled To configure the chamber for f
74. p Sensor Conformity Stability Digital Inputs Retransmit Outputs Optional Alarm Outputs Digital Outputs Communications Safety amp Agency Approvals Displays Data Retention 1 55 C above 50 C 1 66 C below 50 C 0 1 C C rise in ambient Four Contact closure or dc 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 6 available for customer use Open collector output OFF 42 VDC 10 uA max ON 0 2 VDC 50 mA sink max Internal supply 5 VDC 80 mA EIA 232 and EIA 485 serial communications with Modbus RTU protocol 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 Note Total system accuracy in the chamber includes thermocouple wire accuracy Thermocouple wire accuracy is 1 C or 0 75 of reading whichever is greater Therefore total system accuracy over the chamber s operating range can be as much as 2 66 C although the typical accuracy is often better than 1 0 C Page 7 2 TestEquity 1007H Temperature Chamber Chapter 8 Maintenance Chapter 8 Maintenance WARNING M
75. paration 1 Turn the Disconnect Switch to the OFF position 2 Remove the lower door retaining screw located on the right side Open the lower door 3 Remove the chamber s right side panel 4 Ensure that the chamber is properly configured for Single Phase or Three Phase input as described on the previous page 5 Mount the input wire through the hole on the rear of the chamber using an appropriate bushing An additional 4 feet of wire will be needed need to reach to the terminals on the electrical subpanel The wires will need to pass through the Input Access Hole This hole is located in the corner of the partition which separates the compressor compartment from the electrical compartment Three tie points are provided on the side of the chamber to secure the input wiring with tie wraps Three Phase Input 1 Locate the Disconnect Switch 2 Connect the Hot input wires to terminals L1 L2 and L3 on the Main Disconnect Switch 3 Connect the Ground wire NOT A NEUTRAL to the Ground terminal 4 Put the chamber side panel back on and close the lower door Single Phase Input 1 Locate the Disconnect Switch 2 Connect the Hot input wires to terminals L1 and L2 on the Main Disconnect Switch 3 Connect the Ground wire NOT A NEUTRAL to the Ground terminal 4 Put the chamber side panel back on and close the lower door TestEquity 1007H Temperature Chamber Page 2 5 Chapter 2 Installation Humidity Water Connect
76. play must be between 20 C and 25 C If is not then adjust the set point to 23 C and turn the Master Switch ON Wait for the temperature to stabilize If the chamber workspace is already between 20 C and 25 C then you can proceed to the next step with the Master Switch OFF 8 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 9 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 Current Process Procedure for Input 2 10 When completed put the sensor wires back on F4 Controller terminals 54 and 58 11 Note that these steps are not calibrating the humidity sensor only Input 2 of the F4 Controller Page 8 8 TestEquity 1007H Temperature Chamber Chapter 8 Maintenance Theory of Operation Overview The chamber is heated by an open element nichrome heater Cooling is accomplished by a cascade refrigeration system which consists of two compressors The air is circulated by a propeller fan The heater evaporator cooling coil and fan are located within an air plenum which is on the back wall of the chamber interior The heater compressors and circulator fan motor operate directly from the 208 or 230 VAC input line All line branch circuits are individually protected with Class CC fuses A step down transformer provides
77. pressor if the chamber has been removed from the power source for more than 24 hours Master Switch The Master Switch enables all chamber functions The Master Switch illuminates when it is ON Light Switch The Light Switch controls the workspace light The Light Switch illuminates when it is ON Silence Switch The Limit Controller will sound an Audible Alarm in the event of an over temperature or under temperature condition The Silence Switch lets you temporarily turn off the Audible Alarm Heat Light The Heat Light will illuminate when the F4 Controller turns on the heater to maintain the workspace temperature The Heat Light will cycle on off as the workspace temperature approaches and reaches the temperature set point This light corresponds to the 1A indicator on the F4 Controller Cool Light The Cool Light will illuminate when the F4 Controller turns on the cooling valve to maintain the workspace temperature The Cool Light will cycle on off as the workspace temperature approaches and reaches the temperature set point This light corresponds to the 1B indicator on the F4 Controller Page 3 2 TestEquity 1007H Temperature Chamber Chapter 3 Operation Humidity Enable Light The Humidity mode is enabled through Event 1 Digital Output 1 in the F4 Controller Event 1 should ONLY be ON if you are performing a controlled humidity test within the humidity range of the chamber 10 C and 85 C If Event 1 is OFF the Humid
78. pter 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 gt 2 Create a new Profile The cursor will be on Create Profile Press the key 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 e 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 E 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 chapte
79. r Not all menu choices are shown in this example Choose to wait gt Step does not wait Step waits for Choose HUMIDITY FB Off gt On Enter Ramp Time SE 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 e All profiles end with an End step which 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 After exiting the Profiles Page choose A to save profile data Save profile data or restore values V Restore A Save Page 4 12 TestEquity 1007H Temperature Chamber 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 e Remember to set HUMIDITY to On in all programmed steps when the chamber is to be in the controlled humidity mode e TestEquity recommends having the end step type to be Hold or Idle TestEquity does NOT recommend using
80. r test sample in the chamber Sie Ii If you are running a controlled humidity condition between 10 C and 85 C turn Event 1 ON 6 If you are running temperature conditions lower than 10 C or greater than 85 C turn Event 1 OFF Humidity cannot be controlled in this mode 7 Turn the Master Switch ON TestEquity 1007H Temperature Chamber Page 3 1 Chapter 3 Operation Front Panel Switches and Lights Main Disconnect Switch The Main Disconnect Switch controls power to the entire chamber and provides a mechanical safety interlock to the lower door In the ON position clockwise primary power is connected The F4 Controller Limit Controller and optional Chart Recorder are always functional when the Main Disconnect Switch is ON regardless of the Master Switch position The Main Disconnect Switch should be left ON if the chamber is usually used on a daily basis In the OFF position counter clockwise primary power is disconnected The Main Disconnect Switch can be left OFF if the chamber is not used on a daily basis It can also be locked in the OFF position with a padlock CAUTION This chamber has a crankcase heater to protect the high stage compressor The chamber must be connected to the power source AND the Main Disconnect Switch must be ON for 3 hours prior to operating the chamber Although it may be safe to use the chamber immediately this procedure ensures the longest possible life for the high stage com
81. re 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 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 PM6L1AJ AAAABAA 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 Controllers 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 This chamber has a set of contacts that can be used to remove power to your test sample if the
82. re now back to the Main Page Main Page Static Set Point2 Input2 85 0 A 85 0 RH SP1 85 0 C J A gt SP2 85 0 Y v Adjusts Value lt Back gt Next Page 4 4 TestEquity 1007H Temperature Chamber Chapter 4 F4 Temperature Humidity Controller Humidity Operation Humidity Mode Enable The Humidity mode is enabled through Event 1 Digital Output 1 in the F4 Controller Event 1 should ONLY be ON if you are performing a controlled humidity test within the humidity range of the chamber see following page NOTE The Modbus register to program Digital Output 1 in static set point mode is 2000 NOTE In the Profile Create and Edit menus Digital Output 1 is named HUMIDITY Remember to set HUMIDITY to On in all programmed steps when the chamber is to be in the controlled humidity mode To Enable or Disable the Humidity Mode in static set point mode 1 The F4 Temperature Controller must first be on the Main Main Page Page Press the Aor W key to position the Cursor next to SP1 85 0 C A the DigitalOut prompt SP2 85 0 ff gt DigitalOut y Press the key once You will see Choose Event Output prompt in the lower display Press the Aor W key to position the Cursor next to Event Output Press the key once to select Choose Event Output_ gt Event Output Event Output2 A Event Output3 y Event Outputi Event Output1 Then press the Aor Y key to Off select On or Off gt On Press the key once to return
83. reliable 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 Menu Prompt Function Setting Alternate Setting LoC Lockout Menu 2 See NOTE 1 below SEn Sensor Type EC Do Not Change L n Linearization amp Do Not Change dEC Decimal 0 Alt 0 0 C_F Cor ec 0O Alte sd r L o Range Low 75 Do not make any lower r h y Range High 180 Do not make any higher Fag Output 2 Function L P 9 Do Not Change 1 5d Limit Sides both Alt high High only or LoW Low only L h Y Limit Hysteresis e Change not recommended REY Alarm Type of F Do Not Change PAC Upper Display ACPU Alt none PAre Lower Display LSE Alt Lh s High Set Point or LL S Low Set Point Ad 5 Zone Address I 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 Op
84. required then CR5 and TM2 enable the refrigeration system upon demand for dehumidification An evaporator pressure regulator EPR valve keeps the ambient coil and dehumidify coil at 72 psig thus preventing freezing temperatures The hot gas regulator is adjusted to keep the suction pressure at 10 PSIG when both S3 and SV4 are off A suction line cooling thermostatic expansion valve senses the suction line temperature and injects liquid refrigerant to cool the suction return gas within safe limits TestEquity 1007H Temperature Chamber Page 8 11 Chapter 8 Maintenance Troubleshooting SYMPTOM CONDITION CAUSES Chamber completely Power is applied to chamber but Control fuse F11 open Likely inoperative the controllers do not light up cause is a shorted solenoid coil Does not heat up at all If F4 Controller light 1A is ON circulator fan is ON the Heat light is OFF If F4 Controller light 1A is ON circulator fan is ON the Heat Solid State Relay SSRI is defective open Heat Limiter HL is open Heater HTI is open light is ON Heats up too slow Does not meet published Chamber interior is overloaded specifications Circulator motor is not turning Port plug is not in port Verify that input voltage is within tolerance and matches the input power configuration Heat is on all the time If F4 Controller light 1A is OFF the Heat light is ON Solid State Relay SSRI is defective shorted H
85. returned from the expansion tank to the suction line through a capillary tube 30 The expansion tank also provides sufficient volume in the system to keep the standby pressure also known as static or balance pressure when the system is off within safe limits Page 8 10 TestEquity 1007H Temperature Chamber Chapter 8 Maintenance Both the low and high stages each have a high low pressure switch 14A 14B respectively which turns off the entire refrigeration system in the event of an out of limit condition The high stage compressor has a crankcase heater CCI or 8 to prevent refrigerant from condensing in the oil when the compressor is off The F4 Controller cycles the low stage liquid line solenoid valve SV1 or 18 19A on off through cool relay CRI to control the chamber temperature When SVI is on liquid refrigerant flows through the capillary tubes and evaporator to cool the chamber When SVI is off the flow stops The hot gas regulator is adjusted to keep the suction pressure at 5 PSIG when SVI is off This is also called bypass mode Pilot Light PL2 provides an indication on the front panel when the F4 Controller is turning SVI is on The F4 Controller has internal logic to turn the compressors on if cooling is required to maintain the temperature set point The low stage compressor turns on 30 seconds after the high stage turns on through Timing Module TMI This reduces the system s starting current while allo
86. rmance will be reduced by 17 at 50 Hz Please call TestEquity for details on reconfiguring for 50 Hz operation 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 determine if the chamber is operating properly by following the procedure in How to verify the chamber performance How can I modify the chamber to cool faster 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 TestEquity 1007H Temperature Chamber Page 6 1 Chapter 6 Frequently Asked Questions Why is there water ice snow in the chamber Any time the ambient air is subjected to temperatures below the dew point moisture will
87. roller 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 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 power to remote devices Event is named HUMIDITY in the Profile Create and Edit menus 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 le
88. rost 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 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 You CANNOT use the humidity system to control moisture at low temperatures The humidity system is disabled below 7 C However if you have the optional GN gaseous nitrogen Purge system this can be used to eliminate moisture condensation at low temperatures 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 an
89. 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 Page 8 12 TestEquity 1007H Temperature Chamber Chapter 8 Maintenance SYMPTOM CONDITION CAUSES Temperature readout on F4 Controller varies more than 0 5 C or 1 C total If tuning PID control parameters in F4 Controller 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 Solenoid valve SV1 or SV3 if in Humidity mode may be defective Compressors turn on and off too frequently If compressor control parameters in F4 Controller were changed If compressor control parameters in F4 Controller are as shipped from TestEquity Re enter values as shipped from TestEquity Solenoid valve SV1 or SV3 if in Humidity mode may be defective in the open position Excessive noise and vibration when the high stage compressor starts Chamber has been off for several hours or more and is not connected to source of power or main disconnect switch is off during that time Chamber has been off for several hours or more and is connected to source of pow
90. sec Error Latch Self Clear Main Page Go to Setup Analog Input 2 Sensor Process Type Vaisala 0 to 20mA Units th Decimal 0 0 Scale Low 0 0 Scale High 100 0 Scaling Normal Scaling SP Low Limit 0 0 SP High Limit 98 0 Calibration Offset 0 0 Filter Time 1 0 sec Error Latch Self Clear Main Page Go to Setup Analog Input 3 Sensor Thermocouple Type J Decimal 0 SP Low Limit 0 C 32 if F SP High Limit 815 C 1500 if F Calibration Offset 0 C Filter Time 1 0 sec Error Latch Latch Cascade No Cascade 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 Choose Cycle Time Enter Cycle Time Hi Power Limit Low Power Limit Heat Fixed Time 3 0 sec 100 0 Main Page Go to Setup Control Output 1B Function Choose Cycle Time Cycle Time Hi Power Limit Low Power Limit Cool Fixed Time 6 0 sec 100 0 Main Page Go to Setup Control Output 2A Function Choose Cycle Time Cycle Time Hi Power Limit Low Power Limit Heat Fixed Time 2 0 sec 100 0 Main Page Go to Setup Control Output 2B Function Choose Cycle Time Cycle Time Hi Power Limit Low Power Limit Alarm Output Cool Fixed Time 10 0 sec 100 0 Main Page Go to Setup Alarm Output 1 Name HUM OVRTMP Alarm Type Process Alarm Source Input 3 Latches Latches Silencing No Alarm
91. splayed if running a profile Go to Factory Access to Factory Page Not displayed if running a profile TestEquity 1007H Temperature Chamber Page 4 3 Chapter 4 F4 Temperature Humidity Controller Static Set Point Control The F4 Controller is in Static Mode when it is not controlling a Profile When in a Static Mode the Profile Indicator Light is off see Fig 4 1 The Upper Display shows the actual chamber workspace temperature The Static Set Point 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 Point1 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 Point1 Input2 85 0 A 85 0 C gt SP1 85 0 C A A SP2 85 0 Y v Adjusts Value lt Back gt Next To enter a Static Humidity Set Point 1 Press the Aor W 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 W key to change the humidity set point value Press the key once to enter the new temperature set point You a
92. stallation 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 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 In
93. t gt Off gt gt gt gt 01 00 00 gt 1 6 No No 6 Ramp Time gt gt gt On gt gt gt gt 00 25 00 500 gt 1 6 No No 7 Jump gt gt gt gt gt gt gt gt Name 2 99 8 Ramp Time gt gt gt Off gt gt gt gt 00 13 30 230 gt 1 6 No No 9 End Idle 23 0 Step Description Establishes an initialization step Goes to 23 C as quickly as possible Test sample is turned ON via Event 1 Goes to 50 C at a controlled rate of 2 C per minute 50 23 27 2 13 5 or 13 minutes and 30 seconds Test sample is turned ON via Event 3 Will hold for 1 hour Test sample remains ON via Event 1 Goes to 0 C at a controlled rate of 2 C per minute 50 0 50 2 25 or 25 minutes Test sample is turned OFF via Event 3 Will hold for 1 hour Test sample remains OFF via Event 3 Goes to 50 C at a controlled rate of 2 C per minute Test sample is turned OFF via Event 3 Jumps back to step 3 Repeats this 99 times for a total of 100 cycles After all cycles are completed establishes the condition to end on Goes to 23 C at a controlled rate of 2 C per minute Test sample is turned OFF via Event 3 End of program Controller returns to a 23 C manual set point Test sample remains OFF via Event 3 D0LANDUIDWINT Notes 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
94. te 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 gt 2 Choose Delete or Re Name e Press Aor Y to scroll through your choice e 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 gt Page 4 14 TestEquity 1007H Temperature Chamber Chapter 4 F4 Temperature Humidity Controller
95. 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 of 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 and 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 in
96. to the Main Page Choose Event Output prompt SP1 85 0 C A Press the lt key once to return back to the Main Page SP2 i 85 0 A You will see a 1 in the DigitalOut line if Eventl is gt Digital0ut1_____ Y ON TestEquity 1007H Temperature Chamber Page 4 5 Chapter 4 F4 Temperature Humidity Controller Standard Humidity Range This chamber is capable of controlling humidity from 10 RH to 95 RH over the temperature range of 10 C to 85 C The lowest possible humidity varies depending on the temperature For example 45 C is the lowest temperature that 10 RH can be achieved Below is a chart that shows the achievable range of humidity as compared to temperature Achieving low humidity levels require you to start with a clean dry chamber For extended low humidity range see GN Purge Option which follows To protect the chamber the F4 Controller s Alarm 2 will disable the humidity system below 7 C and above 90 C 100 90 m 80 se Achievable Range o Temperature Humidity 5 Conditions 50 40 30 20 Range with GN Option Standard Range Relative Humidity RH 10 0 0 10 20 30 40 50 60 70 80 90 C Figure 4 2 Achievable Range of Temperature Humidity Conditions Humidity Mode Considerations The Humidity mode is enabled through Event 1 Digital Output 1 in the F4 Controller Event 1 should ONLY be ON if y
97. unction control via Event 2 Turn the Main Disconnect switch to the OFF position Remove the lower door retaining screw located on the right side Open the lower door 3 Locate the Terminal Strip on the electrical subpanel Remove the jumper across terminals 5 and 6 With this configuration all chamber functions will be disabled if Event 2 is Off If Event 2 is On all chamber functions will be enabled as long as the Master switch is also On NOTE The Modbus register to program Digital Output 2 in static set point mode is 2010 NOTE Remember to set DIGIT OUT2 to On in all programmed steps when the chamber is to be operational To Enable or Disable all chamber functions in static set point mode 1 The F4 Temperature Controller must first be on the Main Main Page Page Press the Aor W key to position the Cursor next to SP1 85 0 C A the DigitalOut prompt SP2 85 0 ff gt DigitalOut y Press the key once You will see Choose Event Output prompt in the lower display Press the Aor W key to position the Cursor next to Event Output2 Press the key once to select Event Output2 Choose Event Output_ Event Output1 gt Event Output2 E Event Output3 y Event Output2 Then press the Aor Y key to select On or Off Off gt On Press the key once to return to the Main Page Choose Event Output prompt SP1 85 0 C A Press the lt key once to return back to the Main Page SP2 f 85 0 A You will see a 2 in the DigitalOut
98. validation 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 1007H Temperature Chamber Page 9 1 Chapter 10 Drawings Chapter 10 Drawings TestEquity 1007H Temperature Chamber Page 10 1 Electrical Subpanel Component Location ssa F2 F3 F4 FSF6 F7F8 F9 F10 ii Disconnect rn Switch C1 C2 C3 C4 CR2 Terminal Strip
99. vice N 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 N 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 to Setup Page in order to change from C to F display
100. when temperature is outside the range for humidity mode 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 Up and Down Keys Move the cursor position in the Lower Display through the menus in the direction of the key arrow Increase or decrease a value or change a letter in a user nameable field such as events and profile names 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 W key Press the key to enter the value or choice Repeat until you return to the original list The key again saves the value and proceeds to the next parameter in the series The key saves the value and backs out of the series and returns to the Main Page To edit a parameter proceed through the series using the key without changing values until you find the parameter you want to change After making the change with the with the A or V key you may back using the lt key out or proceed using the key to the end of the series Page 4 2 TestEquity 1007H Temperature Chamber Chapter 4 F4 Temperature Humidity Controller Main Page The Main Page displays manual operating parameters running program parameters and error messages
101. 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 are 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 N CAUTION The Series F4 Controller setup values have been properly configured by TestEquity to match the chamber s system requirements and to perform optimally over a wide range of operating conditions Improper modifications to these values can result in erratic performance and unreliable operation Do not attempt to modify the setup values unless you thoroughly understand what you are doing Setup examples in the Series F4 User s Manual are NOT applicable to this chamber If there is any doubt please call TestEquity before proceeding The correct values are documented in the Series F4 Controller Setup Parameters section of this manual TestEquity 1007H Temperature Chamber Page 4 17 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 t
102. wing the cascade condenser to get cool before the low stage turns on Refrigeration System controlled humidity mode In controlled humidity mode cooling and dehumidification is accomplished by a single stage refrigeration system Only the R 404A refrigeration system is used and the R 508B system is disabled The Humidity mode is enabled through Event 1 Digital Output 1 in the F4 Controller Also the chamber workspace must be between 7 C and 90 C If the chamber is outside this temperature range the F4 Controller s Alarm2 light will turn ON and the chamber will operate as though the Humidity Enable was OFF non humidity mode Dry bulb cooling is accomplished through the ambient cool thermostatic expansion valve 22 and the finned ambient coil inside the chamber The F4 Controller cycles the ambient cool liquid line solenoid valve SV3 on off through cool relay CRI to control the chamber temperature Pilot Light PL2 provides an indication on the front panel when the F4 Controller is turning SV3 is on A suction limit pressure switch PS3 also cycles SV3 to limit peak cooling demands to acceptable limits Dehumidification is accomplished through the finned dehumidify coil inside the chamber which uses a capillary tube as its metering device The F4 Controller cycles the dehumidify coil liquid line solenoid valve SV4 on off through SSR3 to control the amount of dehumidification If the compressor is off because no dry bulb cooling was
103. within 55 minutes 11 The chamber temperature should slowly decrease and stabilize to 65 C It should NOT undershoot beyond 65 C by more than a few tenths of a degree and the compressors should NOT need to turn OFF in order to maintain 65 C 12 After stabilization the chamber temperature should vary no more than 0 5 C or a total of LC 13 Set the F4 Controller Set Point 1 to 73 C 14 The chamber should approach 73 C and control Cool Light cycles ON OFF within approximately 5 minutes 15 Set the F4 Controller Set Point 1 to 23 C The chamber should begin to heat up The compressors should turn off within approximately 1 minute 16 This concludes the chamber performance verification tests 17 Let the chamber heat up to 23 C before turning the Master Switch OFF Page 8 4 TestEquity 1007H Temperature 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

With F4 Controller and EZ-Zone Limit

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