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1. Set with Oana Qreys E key Enter with Stop bits Staf f f OSYSTEM Set with Oana keys E key Enter with Data bits dDAEA a OSYSTEM Set with Oana Qreys Enter with Ow Parity Prey aan OSYSTEM Set with Oana Qreys Enter with Ow RS 232C delimiter JEL I E F OSYSTEM Set with and keys Enter with D r Le Communication setup top display Communication setup top display Transmission mode NRML E BUS Echo back OFF ON IRS 232C transmission speed 48 96 192 Stop bits 1 2 Data bits 7 8 Parity NON ODD EVEN RS 232C delimiter CR LF CRI LF p mode oO ka User setu 103 Appendix User Setup Mode System Environment Monitor Mode 0 RASS R TORR rae ee ee ee 1 ne l I l e l l E l pa Ft System environment monitor rr 2 User setup top display ED top display l 3 51 R key key U tt s l E USES top display Cope enironmgnt O monitor te 7 isplay 5 E E OSYSTEM 5 4 5 OSYSTEM l je l key l l Setup key lock ON OFF Cabinet model code l _ LH L N gt i iZ OSYSTEM Chamb
2. 37 38 39 Communication setup top disp on OSYSTEM O E BUS address EbHS 1 I OSYSTEM Set with Aana Qreys Ow E BUS transmission speed Enter with D SPEg ONM a a wu OSYSTEM Set with Oana keys Enter with W w GP IB equipped cabinet x 40 41 42 ay Communication setup top display E BUS address 0 31 E BUS transmission speed 976 6 4800 Communication setup top display uSEr r Lon OSYSTEM e GP IB address GP Ib I L OSYSTEM Set with and keys E key Enter oN GP IB delimiter E 1 dEL aa 1c Lr F OSYSTEM Set withQ and Ykeys ex key Enter nae Communication setup top display GP IB address 1 16 GP IB delimiter CR LF CRILF EOI 43 44 45 x46 47 48 49 50 key uUSEr OSYSTEM Ow Transmission mode Prat arnal OSYSTEM Set with Oana Qreys Enter witha Ow Echo back ECHO o F F OSYSTEM Set with Oana Qreys Enter with x Ow RS 232C transmission speed SPEd G 5 OSYSTEM
3. Setter Mechanical key input O x oy 1 program with 9 steps Repeat cycles 1 99 3 Control principle PID control g Communications E BUS option GP IB option RS 232C option E Input burnout detection function upper and lower temperature limit alarm Functions function self diagnostic function watchdog timer alarm indication function power cut protection function timer function automatic start stop Accessories Drain filter x 2 cable port p 25 mm power cable with 3 pole plug Capacity L Approx 105 Inside dimensions i DER W x Hx D mm 500 600 390 Excluding projections Outside dimensions P E ase W x Hx D mm 650 1090 805 Excluding projections Weight kg Approx 90 K Performance values are given for 23 C ambient temperature and no specimens inside cabinet Performance figures are based on JTM K 01 1998 Humidity chambers test and indication method for performance by Japan Testing Machinery Association 94 Appendix B Temperature Humidity Control Temperature and Humidity Control The temperature and humidity cabinet employs a BTHC Balanced Temperature and Humidity Control system to control temperature and humidity The BT H C system balances temperature and humidity inside the cabinet in order to reproduce the desired conditions This is done by continuously controlling the capacity of a heater of low heat load anda humidifying heater in real time The cent
4. St Setting range 1 lt Step number lt 9 Press the key and move to the next setting 4 Temperature Humidity link control status ON OFF Select ON and press the xr key Then press the x key __ Stands for Control _ Temperature humidity link control status S ON Turns temperature humidity link control ON Go to the target temperature setting step 5 in this procedure OFF Turns temperature humidity link control OFF Go to the exposure time setting step 8 in this procedure xr Enters the selection Reference Turning temperature humidity control OFF means basing that step entirely on the set exposure time When the time set for that step elapses the cabinet will advance the program to the next step therefore this feature can be used as a timer Press the ex key and move to the next setting 48 Chapter 4 Operation 5 Target temperature Input 20 0 and press the xr key Then press the ex key _ Target temperature O Changes the value Q Selects the digit D Enter changes Setting range Absolute low limit temperature z Target temperature z Absolute high limit temperature The humidity target appears here When humidity control is OFF OFF is displayed Press the ex key and move to the next setting 6 Humidity control ON OFF Not necessary for LU cabinet Select ON and press the E key Then press the ex key
5. e Potassium peroxide sodium peroxide barium peroxide and other inorganic peroxides e Potassium nitrate sodium nitrate ammonium nitrate and other nitrates e Sodium chlorite and other chlorites e Calcium hypochlorite and other hypochlorites Ignitable Substances e Ethyl ether gasoline acetaldehyde propylene oxide carbon disulfide and other substances with an ignition point of 30 C 22 F e Normal hexane ethylene oxide acetone benzene methyl ethyl ketone and other substances with an ignition point above 30 C 22 F and below 0 C 32 F e Methanol ethanol xylene pentyl acetate amylacetate and other substances with an ignition point above 0 C 32 F and below 30 C 85 F e Kerosene light oil turpentine oil isopentyl alcohol also called isoamyl alcohol acetic acid and other substances with an ignition point above 30 C 85 F and below 65 C 150 F Combustible Gases Hydrogen acetylene ethylene methane ethane propane butane and other combustible substances that are in a gaseous state at a temperature of 15 C 60 F and at a pressure of 1 atmosphere Chapter 1 Precautions in Usage A CAUTION e DO NOT introduce corrosive substances into the equipment Humidifying water or specimens which generate substances that corrode stainless steel copper or silicon rubber can drastically shorten service life of internal parts including the refrigerator and packing Corro
6. OVERHEAT PROTECTOR emo c Dial Fig 4 14 Overheat protector Absolute High Low Limit Temperature Humidity Alarms A CAUTION e Always set the absolute high low limit temperature humidity alarms BEFORE beginning tests Set alarms according to the type of specimens and test conditions Unless properly set the absolute high low limit temperature humidity alarms will not be triggered in the event of cabinet trouble which could lead to specimen damage For details on alarm settings see 1 2 Specimen Protection Safety Devices Alarm Setup Mode This section explains how to set the temperature alarms that are built into the temperature controller Alarms available for setting are the absolute high limit temperature absolute low limit temperature amp humidity and upper deviation limit temperature alarms The absolute high and low limit temperature amp humidity alarms are 38 Chapter 4 Operation triggered by test area temperature amp humidity Alarms will trip as follows e When the test area temperature rises above the absolute high limit temperature the absolute high limit temperature alarm trips e When the test area temperature drops below the absolute low limit temperature the absolute low limit temperature alarm trips e When the test area humidity rises above the absolute high limit humidity the absolute high limit humidity alarm trips e When the test area humidity drops
7. 10 O 40 20 30 E LH contro range 40 50 60 70 80 Temperature C 85 C EG LHL LHU contro range Appendix Performance values are given for 23 C ambient temperature and no specimens inside cabinet LH 113 is without a dehumidifying cooler Therefore temperature humidity control range and especially the low temperature range will vary according to installation environmental conditions ventilation fluctuation in room temperature humidity etc Performance figures are based on JTM K 01 1998 Humidity chambers test and indications method for performance by Japan Testing Machinery Association 93 Appendix Table A 2 Low Temperature Cabinet specifications Model LU 113 system Temperature control Balanced temperature control system BTC system Power supply 100V AC 19 50 60Hz Maximum current A 9 Ambient temperature Allowable operating range 0 40k a Ten e E 20 85k g Temperature E fluctuation O 2 Temperature 2k uniformity External Cold rolled rust proof steel plate Melamine baked finish S Internal 18 8 Cr Ni stainless steel plate 5 Insulation Ridid polyurethane foam Glass wool Urethane board w Air circulator Propeller fan O o Heater Nichrome stripped wire heater Refrigerator Air cooled hermetically sealed HFC134a Operation Program Constant setting modes
8. After temperature tests or every month See 4 1 Test Preparations Door packing 3 years Contact the place of purchase or ESPEC CORP 97 Appendix E Options Safety Devices Communications The following options are available for temperature and humidity cabinets They effectively amplify cabinet applications and make operation that much easier For options and cabinet compatibility contact the place of purchase or ESPEC CORP Specimen power supply control terminal A terminal used to charge specimens which is interlocked with the cabinet power circuit so that power to specimens is shut OFF through a contact open in the event of cabinet trouble U Communication function Enables cabinet operation and management from a cable connected PC station etc E BUS GP IB RS 232C U Communications cable Cable used for communicating with PCs etc E BUS Select between 5 and 10 m types GP IB Select from 2 and 4 m types RS 232C Select between 1 5 3 5 and 10m types Auxiliary amp Installation 98 U Thermocouple Measures specimen temperature etc Thermocouple type T Copper Copper Nickel with brass ball Select between 2 4 and 6 m types U Wet bulb wick Same as those included in the product package U Cable port Through holes opened on the cabinet top right or left side for charging specimens etc 25 9 50 9 100 mm Appendix U Cable port rubber plug Rubber
9. S Set higher than the cabinet s Not applicable to LH rs lowest allowed temperature cabinets D ee Mino Air circulator shut 5 Temperature LHL Min 0 C OFF alarms Absolute LHU Min 25 C f 2 low limit LU lt Min 25 C O P Poner D Set a minimum 5 C lower than aA ted S target temperature option P D Set above specimen s minimum 5 allowed temperature T Upper Alarm displayed T eas Set roughly 10 C higher than target 1 D 2 tae temperature Buzzer sounded imi Heater shut OFF When Set at least 10 RH higher than temperature 2 Absolute target humidity L S TA i returns within z Humidity high limit Set below specimen s maximum U dna g range limits alarms Not allowed humidity Humidifier shut OFF alarms are M included on O Set at least 10 RH lower than eo LU cabinets Absolute target humidity Alarm displayed Meee low limit Set above specimen s minimum Buzzer sounded allowed humidity 1 Can be turned ON OFF 10 Chapter 1 Precautions in Usage U Absolute high low limit temperature amp humidity alarms and upper deviation limit temperature alarm The absolute high low limit alarms are completely independent of the target temperature amp humidity They do not change when target temperature or humidity has been changed On the other hand the upper deviation limit alarm is relative to the target temperature If the target temperature
10. The temperature inside the Either specimens Turn control power OFF from the cabinet has risen above the inside the cabinet are key Then remove the absolute higni imit The genraing heat ortig heat generating specimens and or ALGe cabinet has been stopped absolute high limit is Rida 1st Pearce set the absolute high limit about iz SERIGO 15 C higher than the target temperature Resume testing If the same alarm occurs again call for service The temperature inside the Possible causes Turn control power OFF from the cabinet has dropped below include infiltrating of key and check the the absolute low limit The outside air excessive cabinet door and cable port Reset mages cabinet has been stopped cooling the effects of the refrigerator control setting If st meus cooling sources cooling sources are overcooling the I 3l inside the cabinet cabinet reduce their number Also and the absolute low correct the absolute low limit limit being set too setting as necessary Then high resume testing If the same alarm occurs again call for service The temperature inside the Either specimens Turn control power OFF from the cabinet has risen above the _ inside the cabinet are key Remove the overheat protector setting generating heat or the AL OS instrumentation panel The overheat protector is heat generating specimens and or ist i 6i cabinet has besirsiopped Sarton low correct the overheat protector setting Resume testing If t
11. __ Dry bulb temperature Align wick tail edge with sensor sensor tip _ Wet bulb temperature sensor pe aati Do not insert the sensor into the bottom hole The wick will not drape at the correct height for i absorbing water Wet bulb wick Wick pan 4 10 How to set the wet bulb wick 2 Wick Pan Water Level Check Not necessary with LU cabinet Procedure 1 Check water in the wick pan is at the level shown in the below figure Normally about 8 mm Wick Pan Fig 4 11 Wick pan water level 2 It takes time to fill the wick pan with water 3 If water level is low high slightly reposition the wick pan water supplier higher lower on the back wall of the water circuit compartment Water Tank Water Level Check Not necessary with LU cabinet Check water level in the water tank If low add water as explained in 3 4 Water Level Check 35 Chapter 4 Operation 4 2 Software Interface The software installed in cabinets gives you finger tip control over power ON OFF operating mode selection test starting stopping test setup and monitoring A function tree showing available modes and setup monitor items is given in Figs 4 12 and 4 13 The sequence in which modes and items are displayed can be checked in Instrumentation Displays in the Appendix The monitor mode is the default mode when control power is activated from the key You can move to other modes by pressing the
12. which might easily be thrown about by air currents inside the cabinet Specimens of the sort can cause current leaks in the heater if they infiltrate the air conditioner Do not stack cabinets on top of one another Keep objects off the cabinet top Blot up moisture from wet specimens before introducing them into the cabinet The withstand load of the included shelf is 5 kg evenly distributed Spread specimens across the entire shelf without bunching them in any one place 15 Chapter 1 Precautions in Usage 1 5 Warning Labels EXPLOSION DO NOT OPERATE CHAMBER WITH FLAMMABLE OR EXPLOSIVE SUBSTANCES INSIDE 16921H201P3 A USE ONLY SPECIMEN POWER SUPPLY CONTROL TERMINALS TO CHARGE HEAT GENERATING SPECIMENS INSIDE CHAMBER 16921H201P3 B HOT OUTSIDE WALLS AND PARTS ARE HOT DURING AND AFTER OPERATION 16921H201P3 C A CAUTION MOVING PARTS SHUT OFF PRIMARY POWER BEFORE HOT SERVICING OUTSIDE WALLS AND PARTS ARE HOT DURING AND 16921H202P3 E AFTER OPERATION 16921H201P3 C Z DANGER ELECTRIC SHOCK SHUT OFF PRIMARY POWER BEFORE SERVICING 16921H202P3 F Right Fig 1 5 Warning label location For Additional Labels If labels are damaged lost or become otherwise illegible contact the place of purchase or ESPEC CORP for replacements Replacements subject to billing 16 Chapter 2 Names and Functions of Parts Chapter 2 Names and Functions of Par
13. A 15 Ambient temperature Allowable operating range 0 40k Temperature Humi Amb Temp 10 5 85k 20 85k ary 85 C 45 95 RH 40 95 RH 40 95 RH g range Temperature Humidity 0 5k 3 RH g fluctuation ao Temperature Humidity 2k 6 RH uniformity External Cold rolled rust proof steel plate Melamine baked finish a Internal 18 8 Cr Ni stainless steel plate AS Ridid polyurethane foam 5 Insulation Glass wool Glass aok Urethane board 8 Air circulator Propeller fan 5 Heater Nichrome stripped wire heater 2 Humidifier Sheathed heater Refrigerator G Air cooled hermetically sealed R134a es slaty Program Constant setting oO Setter Mechanical key input 7 S Cee 1 program with 9 steps Repeat cycles 1 99 S S _Control principle PID control eg Communications E BUS option GP IB option RS 232C option S Input burnout detection function upper and lower temperature limit alarm IT Functions function self diagnostic function watchdog timer alarm indication function power cut protection function timer function automatic start stop Accessories Drain filter x 2 cable port 9 25 mm power cable with 3 pole plug Capacity L Approx 105 ma oa 500 600 390 Excluding projections riety ae 650 1090 805 Excluding projections Weight kg Approx 85 Approx 95 Approx 100 92 100 90 80 70 60 F 4 95 RH K 50 40 30 45 RH Relative humidity RH 20
14. BEFORE using the equipment test the leakage breaker and make sure it is working properly ELECTRIC SHOCK If the breaker is not working properly shut OFF the primary power supply and contact the place of purchase or ESPEC CORP Using the equipment in anything but good working condition could result in electric shock For an explanation on how to test the breaker see 6 2 Checks Use only the specimen power supply control terminal option to apply voltage to specimens Specimens generate heat as they are charged The specimen power supply control terminals are interlocked with the cabinet control circuit so power to specimens is turned OFF when the cabinet is not running Using other means to charge specimens leaves the specimens charged in the event of cabinet trouble This can drive up temperature inside the cabinet which can damage specimens and in worse cases result in fire For more information see How to Charge Specimens in 4 1 Test Preparations When not using specimen power supply control terminals Trouble E occurred here When using specimen power supply control terminals o ps B D a o 2 T D x Fa O Fig 1 4 Temperature and specimen power supply control terminals Option Do not use or leave the equipment outdoors Not only can outdoor environments adversely affect performance and functioning but also electrical parts contact with water can lead to short circui
15. Checking Test Area Temperature and Settings eeeee 59 Monitoring in the Constant Mode ccccccceeseeteeeetseeeeeteteeees 59 Monitoring in the Program Mode s cccecccseeseeeeeeisteeeeeteeees 60 Monitoring by Remote Control c ccccceeceseseeeeseseeesssteeeeeneeees 62 4 7 Handy Feature sneri E eaS EEA ATAA 64 Ihns6rDoorn Oplion 2 422c0n seo eee ec 64 Chapter 5 Getting More Out of Your Cabinet 5 1 Communication Environment Setup Option ceeeeeeeeee 66 Communication Setup Modes sc cecn ewan 66 5 2 User Setup and Safety Device Options Setup eee 68 User Setup 0 6 Seen eee ear REPT re SEmne Pere ope er reer ne eer Re mrte re re 68 5 3 Checking Cabinet Model ROM Version and Control Software VESON fet ae Rat Ri et etl een ie teta iea ette 74 System Environment Monitor Mode cccccsccscscescsseseseeseseees 74 Chapter 6 Checks and Maintenance 6 1 Check and Maintenance Lists c ccccesceeeseeeseteeeesteeeeeeeeees 76 6 2 LCMECKS ier ae toe a es entree 77 Main Power Switch Leakage Bleaker Trip Test 0 c0000 77 lt Overheat Protector Trip Test wxiacentacen tidak 77 Ee E e EATE EEE TEOT TTT 79 Condenser Cleaning Not necessary for LU cabinet 79 Water Tank Cleaning Not necessary for LU cabinet 80 Electromagnetic Pump Water Tank Protective Strainer Cleaning Not necessary for LU Cabin
16. E E P selection E Cn P Settable only E n d tah fae when 24 is OFF Displayed only f OPRGM SET Max a E E OPRGM SET OFF ON i OPRGM SET when 28 is 9 steps other than 0 Set with and keys Set with and keys Set with O and keys key Enter with key Enter with ex key Enter with Temperature and Humidity link control status ON OFF Humidity ramp control ON OFF End mode HOLD OFF CNST 19 T ture 26 Temperature 31 LErL rena Hr AP eine LASE oe when 25 is OFF 5 n OPRGM SET OFF ON 5 E E OPRGM SET OFF ON HG L d OPRGM SET bee CNST Set with and Q keys Set with O and Y keys Set with and Y keys key Enter with ex key Enter with x key Enter with T tt t Step data enter command ai geliemperalure YES NO 17 Step edit content selection 20 27 J g9 i Healt E m E 7 enter command 3 o hea SET me YE 5 OPRGM SET YES NO Set with and Y keys Set with and Q keys key Enter with Eoy Enter withE Fiumi cere ONOFF x17 Step edit content selection I 21 a 5 See ae he a es S HUA Humidity 76 The instant CCER is entered the entire program is cleared If CLE
17. Strainer __ Fig 6 4 Electromagnetic pump protective strainer 4 Pull the tube to which the strainer is attached out from the top plate and wash off dirt and grime with clean water 5 Reassemble parts as before Humidifying Tray Cleaning Not necessary for LU cabinet A CAUTION e SHARP EDGES Be careful of projections or sharp edges inside the cabinet For your safety always wear gloves when working inside the cabinet HOT ON THE INSIDE Cool down the test area before cleaning the humidifying tray During and shortly after operation the cabinet is HOT and humid on the inside During operation dirt and foreign matter stick to the humidifying tray and humidifying heater To ensure long lasting use clean the tray and heater of dirt once a month A good way to inhibit dirt from accumulating is to drain the humidifying tray after every test 81 Chapter 6 Checks and Maintenance Procedure 1 Open the cabinet door 2 Lift the protective grille outwards from the bottom and then upwards to detach Fig 6 5 How to detach the protective grille 3 Clean the surfaces of the humidifying tray and humidifying heater with a brush or by other means 4 Reattach the grille and close the cabinet door Test Area Cleaning Dirt and foreign matter inside the test area can throw test results off Clean the test area before every test Procedure 1 Open the cabinet door 2 Wipe walls and parts clean with a soft c
18. YES and press the xr key Then press the ex key GGGGGGGGGGGGG Number of Repeat Cycles and End ModeG GGGGGGGGGGGG 2 Step edit content selection STEP END SAVE You have now completed program setup therefore select END and press the xr key _ Stands forh Program Seti Step edit content selection SAO STEP Selects step input END Moves to number of repeat cycles setting and end mode setting SAVE Saves the program E Enters the selection Select STEP and press the E key Then go to the step selection step 3 in this procedure Select END and press the Er key Then go to the repeat cycle setting step 13 in this procedure 54 Chapter 4 Operation 13 Number of repeat cycles Input 2 and press the vr key Then press the ex key Once you set the number of repeat cycles the program will execute the steps in the repeat range the number of times set here increasing by 1 each time one cycle is completed What this means is that testing returns to the repeat counter start step after the repeat counter end step is executed instead of proceeding to the next step in the program Ultimately when the number set here is reached the program will advance to the next chronologically higher number in the program _4 Stands for Counter _ Number of repeat cycles O D Change the value Q Selects the digit D Enters the selection The number of repeat cycles can be set bet
19. below the absolute low limit humidity the absolute low limit humidity alarm trips The upper deviation limit temperature alarm is triggered by the set deviation from the test area temperature The alarm will trip as follows e When the test area temperature rises above the target temperature the upper deviation limit temperature the upper deviation limit temperature alarm trips For details on alarm settings see 1 2 Specimen Protection Safety Devices nvsote righ me Absolute high tirit ternperatire humid tip zone temperature VIIULIL Uf amp humidity PLIDILTELTLID IAT TSI Y pper deviation limit temperature trip zone SLL Lld LILLIA LIAL LA t Upper deviation limit temperature Test area target temperature amp humidity TITTSTIATISSISTSITTT pper deviation limit temperature trip zone LLLLILLILLILLILLEL Test area target Upper deviation limit temperature temperature Absolute low limit TAVIS TILT TA TILT TAT IAT TVA LAT TAT IAT TAT TAT ILA TAT SST eerie Absolute low limit temperature amp humidity trip zone p amp humidity y TIA ATATAALTATIALA ALT ALAA TAA AAA AAA AT AA ATL AL ALT Fig 4 15 Absolute high low limit temperature humidity and upper deviation limit temperature alarms U Getting the alarm setup mode Set the main power switch in the ON position and press the POWER key With the temperature humidity monitor on the display press the Ger key 3 times The
20. e min l l l l l l l l l l l l l l l l l l l x2 The target temperature is not displayed when the cabinet is on standby or running in the constant mode x 5 6 11 12 The min lamp does not appear for exposure time settings over 100 hours 5 8 is displayed when a running program is stopped 7 This monitor item is automatically skipped if 0 was set for the number of repeat cycles 11 12 is displayed when a program running under remote control is stopped 100 To constant setup mode Constant Setup Mode eo ey Se eee ee ee i l k ey LF je PERETE trate m Target LI ji humidity Set with A and keys i 9 key Enter with i ae I Humidity control ON OFF Humidi H u ao OCONST SET sonto S l l o on OFF ON l Set with and V keys E key Enter with l l Target humidity i L l q d a ka PREISE aki ao Target CJ u ARH humidity E key Set with A and keys Enter with I Appendix To program operation 13 With LU cabinet humidity figures and RH are not displayed OFF is displayed with humidity control is OFF 14 15 These monitor items are automatically skipped with LU cabinets or when OFF is selected 101 Appendix 102 l o Program edit task selection I E EDIT CLEAR Setup expos
21. lift up and out at an angle Lower front panel Fig 6 2 Detaching the lower front panel 4 Clean the condenser and nearby areas of dust with a vacuum cleaner or by other means 5 Reinstall the lower front panel as before 79 Chapter 6 Checks and Maintenance Water Tank Cleaning Not necessary for LU cabinet Procedure 1 Connect the included water supply drain hose to the water tank nipple and drain the water tank empty It takes about 8 minutes to drain a full tank Water tank r Water tank nipple Water N supply drain gt Snap on plug hose Fig 6 3 Tank drainage connection 2 Detach the water circuit heat exhaust compartment panel from the cabinet 3 Using the same water supply drain hose add water to the tank 4 When the tank is about 2 3 full drain it empty again 5 Repeat steps 3 and 4 two to three times Electromagnetic Pump Water Tank Protective Strainer Cleaning Not necessary for LU cabinet Procedure 1 Unplug the cabinet from its electrical outlet 2 Detach the water circuit heat exhaust compartment panel 3 Loosen the screws to the tank s top plate on which are installed the float switch and strainer This will require a Phillips screwdriver Then lift the plate upward and remove 80 Chapter 6 Checks and Maintenance Phillips screwdriver re To electromagnetic pump Top plate Stainless steel Pa pipe v Tube oe i gt Floats ra
22. mode monitor The test area temperature and humidity monitor will be on the display when the display comes ON 1 Test area temperature and humidity R Test area temperature ot SESS bse Test area humidity Not displayed with LU cabinet If humidity control has been turned OFF OFF is displayed here Press the ex key and move to the next setting 2 Target temperature and humidity Target humidity Not displayed with LU cabinet If humidity control has been turned OFF OFF is displayed here Press the vex key and return to the test area temperature and humidity monitor step 1 in this procedure 1 Test area temperature and humidity 59 Chapter 4 Operation Monitoring in the Program Mode In the program mode monitor you can view the current test area temperature and humidity the target temperature and humidity for the current step the time remaining to step end the exposure time set for the current step and the set number of the repeat cycles if set in the program U Getting the program mode monitor The test area temperature and humidity monitor will be on the display when the display comes ON 1 Test area temperature and humidity Test area temperature Test area humidity Not displayed with LU cabinet If humidity control has been turned OFF OFF is displayed here Press the key and move to the next setting 2 Target temperature and humidity Target
23. on the terminal plug and tighten the screw with a slotted head screwdriver 3 Lead Specimen power supply control terminals SSN These terminals are not used Fig 4 6 Wiring power supply to the specimen power supply control terminals 5 Plug the terminal plug into the connector on the cabinet 32 Chapter 4 Operation Reference After feeding the specimen cable through the cable port cover the port with the included rubber plug Without the plug outside air will infiltrate the test area which can keep temperature humidity from reaching the target setting Cut a notch the size of the cable in the plug and fit the cable in the notch Rubber plug Option EG Cable Specimen To specimen poner supply control terminals and power source Fig 4 7 Feeding specimen cables through the cable port Use a specimen cable that can withstand test conditions Refer to the following table for possible cable types Table 4 1 Cable type and withstand temperature Cable type eiS Vinyl cable 55 C Heat proof vinyl cable 100 C Styrene butadiene cabtyre cable 70 C Electron crosslinked heat proof plastic cable 100 C Glass braid silicon shielded cable 200 C e When not using the cable port cover it with the rubber plug from the inside and the cap from the outside Cap Fig 4 8 When not using the cable port 33 Chapter 4 Operation Wet bulb Wick Che
24. temperature Target humidity Not displayed with LU cabinet If humidity control has been turned OFF OFF is displayed here Press the ex key and move to the next setting 3 Time remaining to step end y Time remaining to step end Counted down Time is displayed either in the range of 00 h 00 min to 99 h 59 min or 100 to 999 hours Press the ex key and move to the next setting 60 Chapter 4 Operation 4 Target step exposure time T Target step exposure time Time is displayed either in the range of 00 h 00 min to 99 h 59 min or 100 to 999 hours Press the ex key and move to the next setting 5 Number of repeat cycles Stands for Counter Number of repeat cycles The current number of repeat cycles are displayed If 0 was set for the number of repeat cycles this monitor item is automatically skipped Press the key and move to the next setting 6 Current step Stands for Step Press the key and return to the test area temperature and humidity monitor step 1 in this procedure 1 Test area temperature and humidity 61 Chapter 4 Operation Monitoring by Remote Control In the remote control monitor you can view the current test area temperature and humidity the target temperature and humidity for the current step the time remaining to step end and the exposure time set for the current step U G
25. the program edit task and press the xr key to erase the existing program However if wanting only to edit part of the existing program follow the below procedure without erasing the entire program 1 Program edit task selection EDIT CLER Select EDIT and press the xr key Stands forh Program Inputl _ Program edit task selection D EDIT Sets the program for editing CLER Clears the entire program xr Enters the selection Reference To register a new program first clear the old program and then set up the new program Select EDIT and press the vr key Then go to the step edit content selection step 2 in this procedure 2 Step edit content selection STEP END SAVE Select STEP and press the xr key Stands forh Program Seti _ Step edit content selection SAO STEP Selects step input END Moves to number of repeat cycles setting and end mode setting SAVE Saves the program xr Enters the selection Select STEP and press the xr key Then go to the step selection step 3 in this procedure Select END and press the xr key Then go to the repeat cycle setting step 13 in this procedure 47 Chapter 4 Operation GGGGGGGGGGGGGGGGGG Step 1 SetupG GGGGGGGGGGGGGGGGGG 3 Step selection Input 1 as the step No and press the xr key Then press the key Stands for Step No S D Changes the value xr Enters the selection
26. wrong with the equipment Proceed as planned Temperature amp humidity is unstable The door is open Shut the door The cable port is not covered Reattach cap or plug Ambient temperature changes more than 5 C hr Stabilize ambient temperature and resume testing High heat load equipment is being turned ON OFF Reduce the heat load Temperature gradually rises higher than the target temperature Specimen heat load is high Reduce the specimen heat load Frost has formed on the cooler Defrost the cabinet Not necessary for LH cabinets See 7 3 User Practical Servicing Settings cannot be changed Temperature heat up pull down rate does not satisfy specifications The keys are locked The door is open Unlock the keys See 5 2 User Setup and Safety Device Options Setup Shut the door Specimen heat load is high Reduce the amount of specimens Ambient temperature too low high Raise Lower ambient temperature Temperature stops rising or begins to drop during heat up Frost has formed on the dehumidifying cooler There is nothing wrong with the equipment Defrost the cabinet if necessary See 7 3 User Practical Servicing Poor temperature uniformity Air flow inside the cabinet is poor Rearrange specimens so as not block air flow Specimen heat load is high Reduce the amount of specimens Fro
27. 0 hours from when the EMPTY first starts flashing until it shuts down completely Checking Water Level in the Humidifying Tray Procedure Reference Check water in the humidifying tray is high enough e Check that the humidifying heater is completely under water and that water is not overflowing from the humidifying tray An inappropriate water level will destabilize temperature and humidity control When either the humidifying heater is not completely under water or water is overflowing from the humidifying tray it is possible that the cabinet is not level or that the water level in the humidifying tray water level regulator is too low high If the cabinet is not level level it If water level in the humidifying tray water level regulator is too low high regulate it as explained under Reference on the following page 27 Chapter 3 Installation To Check Water Level in the Humidifying Tray Water Level Regulator Water level in the humidifying tray will depend on the water level in the humidifying tray water level regulator Note The air circulator in the water circuit heat exhaust compartment panel is dangerous Before opening the compartment panel set the main power switch in the OFF position Procedure 1 Detach the water circuit heat exhaust compartment panel 2 Check water level in the humidifying tray water level regulator is above the WATER LEVEL FOR HUMIDIFIER mark Position adjusting screw Water leve
28. 2 Set target temperature to 70 C and turn humidity control OFF not necessary for LU cabinet 3 Press one of the OPER STOP keys Run the cabinet for about 60 minutes with the door closed then for 15 minutes with the door slightly cracked U Power OFF Set the main power switch in the OFF position then shut OFF the primary power supply 83 Chapter 7 Troubleshooting Chapter 7 Troubleshooting This chapter explains equipment trouble and how to remedy it When trouble is detected by one of the self check features the trouble is displayed on the instrumentation panel display and a trouble buzzer is sounded For trouble undetected in self checks and misoperation which can be easily mistaken as trouble see 7 2 Other Troubles This chapter also includes trouble information for options 7 1 Detectable Troubles A DANGER e ELECTRIC SHOCK Before working on the power circuits on the primary side of the main power switch leakage breaker shut OFF primary power supply and check the line is dead Also take measures to prevent accidental charging Working with primary power supply ON runs the risk of electric shock Shut OFF power from the main power switch BEFORE detaching the electric parts compartment door Temperature and humidity cabinets are equipped with a buzzer that sounds when detects trouble as well as self check features which display the trouble on the instrumentation panel display Displayed al
29. 2 K ae during temperature Ba DS we Exhausts heat from the condenser and air circulator or drain the water tank Drains water from the test tests or humidifier cleaning area including overflow Power cable from the humidifying tray and condensation from pole plug with grounding pole dew tray Fig 2 1 Front right rear and left side parts Stands are available as an option 17 Chapter 2 Names and Functions of Parts Test Area Support Dry bulb temperature sensor Circulates air in the test area Supports shelf brackets shelf and Detects dry bulb test area specimens temperature Cable port gt JJ gt Wet bulb temperature sensor Detects wet bulb temperature test_ area humidity ee Wet bulb wick Used in detecting wet bulb temperature test area humidity There are two holes for the wet bulb temperature sensor Insert it into the top hole Wick pan Supplies water to the wet bulb wick Boil dry protector h Prevents the humidifying heater from 7 overheating when humidifying water is 5 low Door packing Drain port Protective grille Seals the test area to prevent Releases internal pressure buildup Prevents direct contact with the outside air penetration and inside and drains overflow from the humidifying heater air leaks humidifying tray to the outside Shelf Shelf for h
30. Advanced Test Equipment Rentals A ished 1981 www atecorp com 800 404 ATEC 2832 User s Manual Temperature and Humidity Cabinet amp Low Temperature Cabinet LH 113 LHL 113 LHU 113 LU 113 4101204000442 A Read this manual carefully before using the equipment e Familiarize yourself with all safety precautions before using the equipment e Keep this manual handy for future reference ESPEC CORP Liability ESPEC CORP assumes NO responsibility whatsoever for accidents or equipment trouble arising from the failure to observe handling instructions contained herein Do not perform any operation or handle the equipment in any way or form that is not described in this user s manual or which is herein specifically prohibited Careless usage of the sort may result in unexpected damage to the equipment or accident e All rights reserved It is strictly forbidden to reproduce any part of this manual without the express written consent of ESPEC CORP e The contents of this manual are subject to change without notice e ESPEC CORP will replace this manual if pages are missing or out of sequence 1999 ESPEC CORP Introduction This manual has been written for users of Temperature and Humidity Cabinet LH LHL LHU LU and particularly for technicians Read it thoroughly to obtain the maximum performance from the cabinet Safety Symbols The following safety symbols are used throughout this manual Deg
31. G GG GGG GGGGGGGGGGGG 2 Select the step edit content selection STEP END SAVE To setup the next step No select STEP and press the xr key 3 Input the setup No Input 2 and press the xr key Then press the ex key 4 Turn temperature humidity link control ON Select ON and press the xr key Then press the ex key 5 Set target temperature Input 20 0 and press the xr key Then press the ex key 6 Turn humidity control OFF Select OFF and press the E key Then press the key 8 Set the step exposure time Input 2 00 and press the xr key Then press the key 9 Turn soak control OFF Select OFF and press the E key Then press the ex key 10 Turn temperature ramp control ON Select ON and press the E key Then press the ex key 12 Enter step setup Select YES and press the vr key Then press the ex key 52 Chapter 4 Operation GGGGGGGGGGGGGGGGGG Step 3 SettupG GGGGGGGGGGGGGGGGG 2 Select the step edit content selection STEP END SAVE To setup the next step No select STEP and press the xr key 3 Input the setup No Input 3 and press the xr key Then press the key 4 Turn temperature humidity link control ON Select ON and press the vr key Then press the ex key 5 Set target temperature Input 85 0 and press the xr key Then press the key 6 Turn humidity control ON Selec
32. O Selects and inputs settings Q Selects the digit E Enters changes to settings Unless the E key is pressed changes you make to settings will not be updated Moves to the next setting N 1 7 inthis manual indicates a flashing digit Zope 45 Chapter 4 Operation The following program is used as an example to help you with program setup In it steps 1 3 are run three times repeated twice then step 4 is run and power is shut OFF at program end When actually creating programs use the Program Sheet in Appendix G It is wise to create your programs on paper before trying to input them at the cabinet Step 1 Temperature 20k Humidity 80 RH 1h Step 2 Temperature 20k Humidity control OFF 2h Ramp control on er Step 3 Temperature 85k Humidity 50 RH 1 5h Step 4 Temperature 20k Humidity control OFF 1h Soak control ON 46 1 repeat cycle 2 repeat cycle Number of seps 7 2 d 2d 2d 4 a E Temperature CC Humidity RH 100 Temperature Humidity 50 20 Time h min Temperature and humidity link control Target temperature Humidity e e ee e AE e eea e ee eee lee ee eee E ee OF w fom wwe for fT No setting made Number of repeat cycles 2 Repeat setup Start step 1 End step 3 End mode setting Chapter 4 Operation First of all select CLER for
33. Parts 2 2 Instrumentation Panel ALARM lamp CONST lamp k lamp MONITOR lamp Flashes when an alarm is Lit up in the constant mode Lit solidly when a temperature Lit solidly while the monitor generated is displayed whether a mode is displayed RUN lamp PRGM lamp monitored temperature or a i i NST SET lam Lit solidly while the testing is in Ht UP in the program mode temperature setting raat nae es P iii _ Progress PV lamp RH lamp setup mode is displayed REMOTE lamp Lit solidly while the test area Lit up while humidity p Flashes during temperature is displayed iformiati n is di play PRGM SET lamp communications between the SV lamp Lit up while creating programs cabinet and a remote unit Lit REM TIME h min lamp A solidly during programmed Lit solidly while the target Lit up to display the time ACARM SET lamp operation transmitted from temperature is displayed Lit solidly while the alarm remote Digital lamp 1 setup mode is displayed FULL lamp Displays temperature time SYSTEM lamp Lit up while the water tank is information codes and alarm i Lit solidly while the user full codes maintenance mode is EMPTY lamp j displayed Flashes when water tank is low Ms E ee haem ae on water T 1 i i OVERHEAT PROTECTOR WATER TANK CONST 1 OPER STOP i PRGM 1 OPER STOP key amp key key t OVERHEAT Turns power to the Press to en
34. R is entered epee l while a program is running EDIT ERR appears on the display and the program OFE OFFION is not cleared Unless EDIT is entered for 16 program setup does not advance to 17 Set with and keys 17 If entering STEP move to 18 If entering STEP move to 16 If entering Erev Enter with l END move to 28 Entering SAVE saves all steps entered up to that point l However EDIT ERR appears on the display if the program contains no data or Target humidity l steps if that program is currently running if repeat counter start and end steps I are backwards or if the program has too many steps x22 AA Target 18 Selects the step where data is entered However step No must be one higher UY e temperature than the last step Unless data is input into the program the step No remains as 30 OPRGM SET Target the default 1 and cannot be changed Ll he humidity p19 If turned OFF the step is based entirely on exposure time and not at all on Set with and Q keys i nperare humidity control Also the display skips over 20 22 and 24 X hey Enter with 20 With LU cabinet humidity figures and RH are not displayed I Also OFF is displayed when humidity control is OFF 23 Setup exposure time 21 22 With LU cabinet the display skips over these items f i 23 The min lamp does not appear for exposure time settings over 100 hours The display skips over this item if temperature ramp or humidity ramp c
35. UN prom L M E T Number of 3 respeat cycle Ow Current step 8 OMONITOR RUN prom 5 E E P J Current step standby Test area temperature and humidity Test area temperature and humidity Test area temperature and humidity 16e1 PV PV PV 1 RUN CONST Sag OMONITOR Test area 3 RUN nn OMONITOR Test area z9 RUN 5 on eee Test area key LIS fo temperature PRGM OU Je temperature RENOTE OU fo temperature 5 m Test area m Test area 5 m Test area u RH humidity u RH humidity ou RH humidity Target temperature and humidity l l l E key l l l l l 2 CONST 4 Sv OMONITOR 10 sv OMONITOR Target i NAN OMONITOR Target nan Target nnn RUN PU e temperature RUN prom PUL o temperature RUN IUL e temperature REMOTE g m Target g m Target a m Target uu RH humidity LWW u RH humidity uw XRH humidity Ow Ow Ow Time remaining to step end Time remaining to step end 5 OMONITOR 11 OMONITOR RUN PROM RUN REMOTE mon Time to mn Time to LLI a step end Aol ot step end REMTIME h min REMTIME h mn Ow Ow Target step exposure time Target step exposure time SV x6 x OMONITOR x12 OMONITOR RUN PRGN RUN REMOTE tan Target step m Target st L4 u exposure time id u saci th min Ow l l l l l l l l l l l l l l l l
36. _Stands for Humidity _ Humidity control status preise S ON Turns humidity control ON Go to the target humidity setting step 7 in this procedure OFF Turns humidity control OFF Go to the exposure time setting step 8 in this procedure xr Enters the selection Press the ex key and move to the next setting 7 Target humidity Not necessary for LU cabinet Input 80 and press the xr key Then press the ex key Target humidity SAO Changes the value Q Selects the digit xr Enter changes Setting range Absolute low limit humidity z Target humidity z Absolute high limit humidity Press the key and move to the next setting 49 Chapter 4 Operation 8 Step exposure time Input 1 00 and press the xr key Then press the key Step exposure time al SOO Change the value Q Selects the digit E Enters the selection Exposure time can be set between 00 h 00 min and 99 h 59 min or between 100 and 999 hours Press the ex key and move to the next setting 9 Soak control status ON OFF Select OFF and press the xr key Then press the ex key Stands for Guaranteed Soak _ Soak control status O D ON Turns soak control ON Go to the step data enter command step 12 in this procedure In soak control the exposure time for a given step is counted down only while the temperature humidity is within the set attainment ran
37. absolute high limit temperature alarm setting will appear on the display 39 Chapter 4 Operation U Operation O Selects and inputs settings Q Selects the digit E Enters changes to settings Unless the E key is pressed changes you make to settings will not be updated Moves to the next setting a er inthis manual indicates a flashing digit Va 1 Absolute high limit temperature alarm _ Stands for Absolute High Limit Temperature Alarm _ Currently set absolute high limit temperature S Y Changes the value Q Selects the digit E Enter changes Setting range Target temperature lt Absolute high limit temperature lt Highest settable temperature Press the Ex key and move to the next setting 2 Absolute low limit temperature alarm _ Stands for Absolute Low Limit Temperature Alarm _ Currently set absolute low limit temperature S O Changes the value Q Selects the digit xr Enter changes Setting range Lowest settable temperature lt Absolute low limit temperature lt Target temperature Press the Gex key and move to the next setting 40 Chapter 4 Operation 3 Upper deviation limit temperature alarm _ Stands for Upper Deviation Limit Temperature Alarm _ Currently set upper deviation limit temperature D Changes the value Q Selects the digit E Enter changes Setting range 5 0 lt Upper deviation limit te
38. an be cleared by pressing the S or keys If the same alarm occurs again call for service The instrumentation detected Communication error Reactivate the system from the communication trouble between the CPU main power switch leakage between the CPU board and board and display breaker and resume testing If the display board The cabinet board same alarm occurs again call for has been stopped service The instrumentation detected Display board error Reactivate the system from the system trouble in the display i e internal memory main power switch leakage board The cabinet has been etc breaker and resume testing If the stopped same alarm occurs again call for service The instrumentation detected Sequence task error Reactivate the system from the miog system trouble in the CPU on CPU board main power switch leakage 1st q ad 7 board The cabinet has been breaker and resume testing If the stopped same alarm occurs again call for service The instrumentation detected Refrigeration task Reactivate the system from the system trouble in the CPU error on CPU board main power switch leakage board The cabinet has been breaker and resume testing If the stopped same alarm occurs again call for service The instrumentation detected Temperature control Reactivate the system from the system trouble in the CPU task error on CPU main power switch leakage board The cabinet has been board breaker and resume te
39. arm codes and their content are given in the alarm table on the following pages Remedy trouble as described therein For trouble which is undetected in self checks see 7 2 Other Troubles If the trouble cannot be remedied after taking the prescribed action contact the place of purchase or ESPEC CORP Call for service 1st and 2nd Degree Alarms 84 Detectable trouble is manifested either as 1st or 2nd degree alarms They are defined as follows 1st degree alarm Even after the cause of the trouble has been eliminated control is NOT automatically restored The trouble state must be cleared in accordance with the displayed alarm code and the system restarted 2nd degree alarm As soon as the cause of the trouble has been eliminated control is automatically restored However the alarm code will be displayed indefinitely until one of the keys is pressed Clearing Alarms Procedure Procedure Chapter 7 Troubleshooting This section explains how to deal with trouble that trips one of the cabinet s self checks The buzzer can be silenced by pressing any of the keys but follow the below procedure as best possible U When a ist Degree Alarm Occurs 1 Press either the or Q keys to silence the buzzer 2 Check the alarm code fii on the display 3 If the cabinet is running press the OPER STOP key to stop the cabinet 4 If control power is ON press the POWER key to shut OFF power to the instrumenta
40. can be used temporarily until a better outlet can be secured With the adapter ground the cabinet on a nearby grounding terminal from the green grounding wire on the adapter If a grounding terminal is not available ensure a max 100A resistance against ground or otherwise as local building codes specify To 2 pole outlet Included socket Grounding wire 3 pole plug with grounding pole Fig 3 4 Groundless outlet and adapter 24 Chapter 3 Installation A CAUTION Do not use extension cords power strips or other similar products One blade of the plug is 6 3 mm wide while the other is 8 mm wide Depending on the type commercially sold extension cords will not fit the plug Also extension cords are generally less reliable and less safe than fixed electrical outlets therefore you should avoid using them 25 Chapter 3 Installation 3 5 Water Level Check Not necessary with LU cabinet Note To Fill the Water Tank The water tank is filled by hand This water is subsequently supplied to the humidifying tray Press the POWER key and run the cabinet at 30 C and 40 RH For details see Chapter 4 Operation Procedure 26 Water is supplied from the water tank to the humidifying tray For proper cabinet operation water level in the tray must be checked e Use distilled water of a 0 1 to 10 uS cm conductivity Using water with a high impurity content such as tap water will shorten servi
41. ce life of the humidifying heater and wet bulb wick e Do not tilt the tank when full Water will spill out 1 Prepare a water source a minimum of 500 mm higher than the water tank nipple on the cabinet rear 2 Connect the included snap on water supply drain hose 9mm ID to the water tank nipple See 3 3 Drainage Work Water supply drain hose J fmn 500 mm Water tank Water tank nipple Fig 3 5 Setup for adding water Start water supply When the water tank becomes full approx 20L the FULL lamp green will light up Stop water supply at that point Also if wanting to leave the cabinet running unmanned for 2 to 3 days fill the water tank with distilled water in advance Chapter 3 Installation Water Consumption Rate U When the FULL lamp is lit When the FULL lamp is lit you can use about 14L of water Though consumption rate will vary according to conditions of use the below table gives a yardstick of water consumption Table 3 1 Water consumption rate idi Water Continuous hours Temperature Humidity aiun I a 60k 95 RH 70 40mL h Approx 200 350 hr approx 8 14 days Approx 100 160 hr 85k 95 RH 100 130mL h approx 5 6 days U When the EMPTY lamp flashes When the water tank gets low on water AL 26 will flash on the display If water level drops to about 3L the EMPTY lamp will start flashing In such case add water The cabinet can run for another 2
42. cedure 1 Check control power is ON 2 If wanting to run the cabinet in the constant mode press the CONST OPER STOP key To run a program press the PRGM OPER STOP key Reference e Ifthe CONST OPER STOP key is pressed while testing is in progress testing will stop Pressing it again after that will resume testing e While a program is running the program can be stopped and resumed by pressing the PRGM OPER STOP key However when the program is resumed it starts again from step No 1 e You cannot switch between the program and constant modes while tests are running First stop the test and then switch the operation mode Test End Shut the cabinet down as follows Procedure 1 If the cabinet is running in the constant mode press the CONST OPER STOP key If a program is running press the PRGM OPER STOP key Testing will stop and the cabinet will assume the standby state 2 Press the POWER key The display on the operating panel will go out 3 If not planning to use the cabinet for a long period of time set the main power switch in the OFF position 58 Chapter 4 Operation 4 6 Checking Test Area Temperature and Settings Both test area status and setup can be monitored during the constant mode and program mode and by remote control Monitoring in the Constant Mode While the cabinet is running in the constant mode you can view constant mode setup U Getting the constant
43. ck Not necessary with LU cabinet 34 Note Reference Procedure 1 e The wet bulb wick included must be installed in order to run humidity tests If already in place check whether it is wet or dry before starting If dry change it e Bacteria adhering to the wet bulb wick can proliferate during tests and block water supply Wash hands with soap and water before handling the wick e Make sure the edge of the wet bulb wick is aligned with the tip of the wet bulb temperature sensor Humidity control can be destabilized if the sensor is overly exposed or if the sensor is out of position Feed the wet bulb temperature sensor through the top hole and the wick pan through the bottom hole e Remove the wet bulb wick for temperature only tests especially if running the cabinet above ambient temperature Should the wick dry out it will be harder to supply it with water which will throw off humidity measurements the next time a humidity test is run Wipe the wet bulb temperature sensor clean with clean gauze or cloth Remove the wet bulb wick from its bag Drape the wet bulb wick over the wet bulb temperature sensor Make sure the edge of the wet bulb wick is aligned with the tip of the wet bulb temperature sensor temperature sensor 5 Wet bulb temperature sensor Wet bulb wick Wick pan Fig 4 9 How to set the wet bulb wick 1 Chapter 4 Operation 4 Lay the ends of the wet bulb wick in the wick pan
44. ck pan water supplier and humidifying tray water level regulator These sponges prevent the floats from being damaged during transport Before performing power supply work remove the sponges If left inside the cabinet they can absorb water and moisture and provoke leaks 1 Detach the water circuit compartment panel 2 Carefully open the lids to the wick pan water supplier and humidifying tray water level regulator Then remove the sponges inside Water circuit Wick pan water supplier compartment panel Humidifying tray water level regulator Lid Chapter 3 Installation 3 3 Drainage Work Not necessary with LU cabinet Drainage work is needed to drain water from the humidifying tray and condensation formed in the test area out of the cabinet e If collecting drainage in a container check water level to make sure it does not overflow e To prevent backflow into the cabinet do not share Also leave the drainage line with other equipment the water tank supply drain hose and drain hose ends open to the atmosphere e If the water tank supply drain hose and drain pipe are raised more than 100mm off the ground drainage will flow back into the test area Gravity drainage is used with temperature and humidity cabinets so Note keep the drain hoses sloped downward to prevent pockets from forming in the line and run them into a pit Water tank nipple i Connect a hose here to fill or drain the water ta
45. digit starts flashing At that moment the dry bulb temperature test area temperature will be displayed in the message area for 1 to 2 seconds Dry bulb test area temperature Calibration 4 I temperature OSYSTEM Press the ex key and move to the next setting 72 Chapter 5 Getting More Out of Your Cabinet 12 Wet bulb temperature calibration Not displayed with LU cabinet Stands for fh Calibration Wet Temperaturel _ Amount of offset AV Change the value Q Selects the digit E Enters the selection Setting range 5 0 Z wet bulb temperature offset z 5 0 e How to read the current wet bulb temperature Press the 8 key until the far right digit starts flashing At that moment the wet bulb temperature will be displayed in the message area for 1 to 2 seconds Wet bulb test area temperature Calibration OSYSTEM temperature Pressing the ex key will move you to the user settings top display 1 User setup top display 73 Chapter 5 Getting More Out of Your Cabinet 5 3 Checking Cabinet Model ROM Version and Control Software Version With this cabinet you can check the model ROM and control software version Normally this isn t necessary but you will need this information when inquiring about the equipment or calling for service System Environment Monitor Mode U Getting the System Environment Monitor Mode Set the main power switch in the ON position a
46. display will change to the GP IB address setting If the cabinet is equipped for RS 232C communications option the display will change to the transmission mode setting For environment setup with GP IB and RS 232C communications see the Communication Function Option User s Manual 2 E BUS address Stands for E BUS Currently set address D Selects and inputs settings S Selects the digit EN Enters changes to settings Setting range 0 lt E BUS address lt 31 Setting the E BUS address to 0 disables communications Press the ex key and move to the next setting 3 E BUS transmission speed Stands for Speed Baud rate A Y 4800bps Em Enters changes to settings 976 6bps Pressing the ex key will move you to the communication setup top display 1 Communication setup top display 67 Chapter 5 Getting More Out of Your Cabinet 5 2 User Setup and Safety Device Options Setup User Setup Mode 1 User setup top display This section explains how to set up your test environment and optional safety devices Getting Use Setup Mode Set the main power switch in the ON position and press the POWER key The instrumentation panel will come on in the monitor mode with the test area temperature on the display While in the monitor mode press the key 5 times This will get the User Setup Mode and display the mode s top display U Operat
47. e Remedial action e code option The humidity inside the The absolute low limit Set the absolute low limit about cabinet has dropped below is set higher than the 10 RH lower than the target the absolute low limit The target humidity humidity When humidity returns o 3a35 heater has been stopped and within range normal control is 2nd 7 at refrigerator capacity restored automatically The alarm decreased to the minimum can be cleared by pressing the turned OFF in some cases S or keys until humidity returns within range During humidity testing the Humidity control will Stop the cabinet and replace the wet bulb measures relative continue as is but wick After wet bulb temperature humidity rose above the humidity control might returns within the specified range specified temperature destabilize and trigger the alarm can be cleared by This alarm can be triggered a humidity alarm The pressing the S or keys during operation at low wet bulb wick gauze temperature and high inside the cabinet humidity or when the target may be dry humidity is changed There is AL eo nothing wrong with the 2nd equipment Silence the buzzer and continue testing The water tank is empty The water tank is Refill the portable option water Humidity control will continue empty tank and resume testing After but it will eventually stop water has been sufficiently unless water is replenished supplied to the main water tank the alarm c
48. ector trip test O Before long test runs Before unmanned tests Humidifying tray and regulator water level check Not necessary for LU cabinet O Once every three months When cabinet is relocated See 3 4 Water Level Check x U Maintenance list For an explanation on each maintenance item see 6 3 Maintenance Table 6 2 Maintenance list Maintenance item When to perform Condenser cleaning Not necessary for LH cabinet Once monthly Water tank cleaning Not necessary for LU cabinet Once monthly Electromagnetic pump water tank protective strainer cleaning Not necessary for LU cabinet Once monthly Humidifying tray cleaning Not necessary for LU cabinet Once monthly Test area cleaning Before every test Water circuit heat exhaust compartment cleaning Once yearly Take down Before long periods of disuse Chapter 6 Checks and Maintenance 6 2 Checks Main Power Switch leakage breaker Trip Test Once a month and before long test runs test trip the main power switch leakage breaker The switch is found on the rear side of the cabinet With the main power switch in the ON position press the gray test button If the switch s lever falls to the middle position the breaker is working properly ON Test button Fig 6 1 Main power switch test button Reference When the leakage breaker in the main power switc
49. erl a Ir Setti 5L L E Sy lock model key lock hea aeg a OFF ON o FF OSYSTEM Set with and Y keys e key Enter oN e Operation lock ON OFF ROM version 53 mi r o ti eae ROM jperation ULLI lock ron version aa MA o Fi osystem OFF ON oo OSYSTEM 5 Remote control lock ON OFF Control software Ladder version Control l 54 ss aes 1 Remote control software Coe lock Loon Adr version l 2E OFF ON nN ozenez l ol F OSYSTEM onus l Ow l tee ee ee a ee ee ee ee ee L 52 If set to ON the key does not respond to touch except on displays 52 53 and 54 Set with Qyand Wkeys e key Enter oN Power recovery mode CNTI REST T rooY Power recovaty 53 If set to ON the OPER STOP POWER PRGM OPER STOP keys cannot be set in E the OFF position Enti Pee Beat 54 If set to ON only monitoring is possible from remote 58 59 60 63 With LU cabinet the display skips over these items 62 Dry bulb test area temperature is displayed in the top display for the first 1 or 2 seconds that the far right column is active by pressing the key 63 Wet bulb test area temperature is displayed in the top display for the first 1 o
50. et cceeeeeeeeeeeeeeeeeeeeeeeeeeeees 80 Humidifying Tray Cleaning Not necessary for LU cabinet 81 Chapter 7 Troubleshooting Appendix 7 1 7 2 7 3 QOQTm7mooowW FESPA re aC le ainsi tate acta ne ee 82 Water Circuit Heat Exhaust Compartment Cleaning 82 Take Down Before Long Periods of Disuse ccees 83 Detectable Troubles ionii A 84 stand 2nd Degree Alarms acct rctancnninei ie 84 Clearing PNAS SS pe nese Sse tne cca cal se le ae ae ase 85 Alarm Tabletas a A SC Re ee ha 86 Other Troubles 224 454 2 oie ea aa eee ee eee ad 89 User Practical Servicing i iueenne he 91 NDING SUING anessin n a E ANAA NA AAAS 91 Major Specifications 22252 Se eolical se sec es aie nc at rec ate oe sec nes 92 Temperature and Humidity Cabinet cccccecseseeseeeeeee 92 Low Temperature Cabinet 2 02n can cna cnacsae eats 94 Temperature Humidity Control c cceescceseeeeeeeeeeeeeeessteeesenes 95 Pars Construction ooreo daa E E i 96 Consumable Parts and Replacement Interval ceeeseeeeeeee 97 ODPONS iiviseisternestises E dae tieavaieeesdabeass 98 Instrumentation Displays ceeeeeeeeeeeeeeseeeeeeneeeseeeeeeeeeeesaeeeeaaes 100 Program Sheet ccccccccescceseceeeeeeeeceeneeeseeeeseeeeeseeeesseneeessueeeseneees 105 Chapter 1 Precautions in Usage Chapter 1 Precautions in Usage A Read this section before using the equipment This chapter
51. etting the remote control mode monitor Set the main power switch in the ON position and press the POWER key The test area temperature and humidity monitor will be on the display when the display comes ON 1 Test area temperature and humidity Test area temperature Test area humidity Not displayed with LU cabinet If humidity control has been turned OFF OFF is displayed here Press the key and move to the next setting 2 Target temperature and humidity Target temperature Target humidity Not displayed with LU cabinet If humidity control has been turned OFF OFF is displayed here Press the key and move to the next setting 3 Time remaining to step end f Time remaining to step end Counted down Time is displayed either in the range of 00 h 00 min to 99 h 59 min or 100 to 999 hours Press the ex key and move to the next setting 62 Chapter 4 Operation 4 Target step exposure time T Target step exposure time Time is displayed either in the range of 00 h 00 min to 99 h 59 min or 100 to 999 hours Press the ex key and move to the next setting 1 Test area temperature and humidity 63 Chapter 4 Operation 4 7 Handy Features Inner Door Option The inner door option can be installed even after the cabinet is delivered Contact the place of purchase or ESPEC CORP A CAUTION e FRAGILE The glass will break under st
52. explains safety precautions you should observe to operate the equipment safely Be sure to read it carefully and follow instructions to the letter so as to prevent harm to yourself anyone else specimens or the equipment 1 1 Substances Which Should Not Be Placed inside the Equipment A DANGER DO NOT introduce the following explosives combustibles or substances which contain them into the equipment Moreover keep these substances away from the equipment and immediate area When exposed to excessive heat these substances may cause fires and or explosions Explosive Substances Explosive Substances e Nitroglycol nitroglycerine nitrocellulose and other explosive ester nitrates e Trinitro benzene trinitrotoluene picric acid and other explosive nitrocompounds e Peracetic acid methyl ethyl ketone peroxides benzoyl peroxide and other organic peroxides Inflammable Substances Combustible Substances Metal lithium metal potassium metal sodium yellow phosphor phosphor sulfide red phosphor celluloids calcium carbonate also called carbide calcium phosphate magnesium powder aluminum powder metal powders other than magnesium powder and aluminum powder hydrosulfite Cont Chapter 1 Precautions in Usage A DANGER Oxides e Potassium chlorate sodium chlorate ammonium chlorate and other chlorates e Potassium perchlorate sodium perchlorate ammonium perchlorate and other perchlorates
53. gage disengage PROTECTOR F 5 Shifts the active digit when Stops th cabinet betore instrumentation ON OFF making settings the setting mode telhperalire ises te Hea CONST OPER STOP AN key NEXT key of damaging specimens key e aa Press to switch to the next Main power switch Starts Stops testing in the Increases theactive digit setting item Leakage breaker constant mode i key Turns power to the cabinet k ON OFF Also protects PRGM OPER STOP Decreases the active digit against leakage current key k electric shock and overloads Starts Stops testing in the E ey ON OFF program mode Enters the currently displayed setting The moment that a setting has been entered the numbers flash twice four g times in total Fig 2 4 Instrumentation panel 19 Chapter 3 Installation Chapter 3 Installation This chapter explains how to install the cabinet and prepare for tests Be sure to read the parts on installation even if having the cabinet installed by the place of purchase or ESPEC CORP Also refer to this chapter whenever relocating the cabinet 3 1 Installation Installation Site Check This section describes installation site and space requirements U Installation site Install the cabinet in a place which satisfies the following conditions e On a flat level floor which is strong even to bear the weight of the equipment e Where subjected to only minimal mecha
54. ge for the set holding time So the time specimens are exposed to the target temperature will equal the time set in step 8 above See 5 2 User Setup and Safety Device Options Setup OFF Turns soak control OFF Go to the temperature ramp control setting step 10 in this procedure The exposure timer will start at the same time the step does and will continue counting without stopping E Enters the selection Soak control cannot be used when either temperature or humidity ramp control is used Press the ex key and move to the next setting 50 10 Temperature ramp control ON OFF Chapter 4 Operation Select OFF and press the vr key Then press the ex key In ramp control temperature rise or fall from the setting in the previous step to that of this step is controlled at a constant rate or ramp Stands for Temperature Ramp _ Temperature ramp control status S Y ON Turns temperature ramp control ON OFF Turns temperature ramp control OFF E Enters the selection Temperature ramp control cannot be used in temperature pull down with LH cabinets because the heater is shut OFF in temperature pull down Temperature is pulled down naturally Temperature ramp control cannot be used when soak control is used Temperature ramp control cannot be used with step No 1 It is kept OFF even if turned ON in step No 1 setup Press the ex key and move to the next setting 11 Humidi
55. h trips the switch s lever falls halfway between the ON and OFF positions To turn power back ON again first set the switch to the OFF position and then to the ON position Overheat Protector Trip Test Before every test test trip the overheat protector Procedure 1 Check the main power switch is in the ON position 2 Press the POWER key to activate control power The current temperature humidity will appear on the display 3 Press either the CONST OPER STOP key or the PRGM OPER STOP key The cabinet will start up 77 Chapter 6 Checks and Maintenance 4 Set the overheat protector about 5 C lower than cabinet temperature If the overheat protector is working properly a buzzer will sound and the Alarm screen will be appear on the display when temperature inside the cabinet reaches the overheat protector setting If the buzzer doesn t sound something is wrong with the equipment Contact the place of purchase or ESPEC CORP 5 To silence the buzzer press either the S or keys 78 Chapter 6 Checks and Maintenance 6 3 Maintenance Condenser Cleaning Not necessary for LH cabinet Before cleaning the condenser open and close the door to rid the inner door of any clinging moisture Procedure 1 Unplug the cabinet from its electrical outlet 2 Remove the screw from the top of the lower front panel This will require a Phillips screwdriver 3 Lean the panel downward from its top edge and
56. he same alarm occurs again it is possible that the thermal fuse has blown Call for service The built in temperature The air circulator Leave the cabinet OFF until the air switch of the air circulator motor is overloaded circulator cools down Then turn ond motor water circuit heat control power ON from the 1st 1 7 exhaust compartment key and resume tripped because the motor testing was abnormally hot The cabinet has been stopped Humidifier surface Humidifier surface Turn control power OFF from the temperature rose and tripped temperature rose key and check water the boil dry protector The above the trip aes AL ay cabinet has bean stopped temperature level in the humidifying tray water ist i on level regulator Reposition the l regulator as necessary and wait till the humidifier cools Then resume testing If the same alarm occurs again call for service The humidity inside the The absolute high Set the absolute high limit about cabinet has risen above the limit is set lower than 10 RH higher than the target aisa absolute high limit Humidity the target humidity humidity When humidity returns 2nd f Bol control has been stopped within range normal control is until humidity returns within range restored automatically The alarm can be cleared by pressing the A or keys Cont 87 Chapter 7 Troubleshooting Displayed alarm Q code channel Trouble Caus
57. idity attainment range sec O D Change the value Q Selects the digit En Enters the selection Setting range 1 second z humidity attainment holding time z 9999 seconds Press the ex key and move to the next setting 10 Warning buzzer ON OFF Stands for Buzzer Operation status ON Buzzer sounds when 2nd degree alarm is generated OFF Buzzer dose not sound when 2nd degree alarm is generated E Enters the selection Press the ex key and move to the next setting 71 Chapter 5 Getting More Out of Your Cabinet 11 Dry bulb temperature calibration Stands for Calibration Temperature _ Amount of offset S Change the value T Selects the digit E Enters the selection The target temperature can be set within the below range 5 0 lt Calibration temperature lt 5 0 e With the calibration feature you are basically setting the number of degrees from the current test area temperature that must be added or subtracted in order to display the temperature you want For example if the target temperature is 60 0 C and the calibration value is changed from 0 0 C to 0 2 C while testing is in progress the display will read 59 8 C After that test area temperature is controlled to 60 0 C or 0 2 C higher than what the target temperature was prior to setting the calibration value e How to read the current dry bulb temperature Press the Q key until the far right
58. in any one place Space specimens apart and away from walls so as not to block air circulation inside the test area Temperature amp humidity uniformity drops if air cannot flow freely which will throw off test results You may freely change the position of the shelves to suit specimen size and quantity Arrange specimens so as not to obstruct air currents inside the test area Setting Shelves and Shelf Bracket Procedure 1 Attach the shelf brackets in the order of the numbers shown below Ensure sufficient clearance from the ceiling or other shelves Supports have hooks spaced every 50 mm apart Shelf bracket Fig 4 1 How to install shelf bracket 29 Chapter 4 Operation 2 Slide the shelf onto the shelf brackets The hook should be to the rear When sliding the shelf in make sure the shelf and hooks clamp the brackets fee _ Shelf bracket cB ae A __ Shelf Fig 4 2 How to install shelves How to Charge Specimens Use only when needed Use the specimen power supply control terminal option to charge specimens The rated electric capacity of these terminals is 250V AC 1 A A suitable diameter cable would be 0 3 to 2 mm A DANGER e Use only the specimen power supply control terminals to apply voltage to specimens Using other means to charge specimens can drive up temperature inside the cabinet as specimens generate heat This can damage specimens and in worse cases result in f
59. ing Internal pressure is high because the cabinet is hot and highly humid on the inside There is nothing wrong with the equipment Proceed as planned The door is hard to open Internal pressure is lower than room There is nothing wrong with the pressure equipment Proceed as planned Frost has formed and hardened on Defrost the cabinet See 7 3 User the packing Practical Servicing During operation pelaw Outside air has infiltrated through Cover the cable port with the cap or zero icicles 5 cm or the cable port rubber plug longer formed on the internal drain port or the test area is covered in frost Not applicable to LH or LHL cabinets Door packing is not properly sealing the door and frame or packing has Call for service deteriorated Cont 89 Chapter 7 Troubleshooting Strange noises are heard The condenser filter is clogged Clean the filter See 6 3 Maintenance Strange odors are detected Lingering odors inside the cabinet Clean the test area See 6 3 Maintenance Specimens are generated odors Remove the source of the odor The cabinet is wet on the outside The room is highly humid There is nothing wrong with the equipment Proceed as planned Frost has formed on door hinges and around the door frame and viewing window Not applicable to LH or LHL cabinets The room is highly humid There is nothing
60. ion O Selects and inputs settings Q Selects the digit E Enters changes to settings Unless the xr key is pressed changes you make to settings will not be updated Moves to the next setting N 17 inthis manual indicates a flashing digit ZN Stands for User E EREA ore Stands for Set Press the key and move to the next setting 68 Chapter 5 Getting More Out of Your Cabinet 2 Setting keys lock ON OFF Stands for Set Locki Key lock status OIV ON Locks the keys EN Enters the selection OFF Unlocks the keys Even when keys are locked the CONST OPER STOP key PRGM OPER STOP key and POWER key still respond to touch Press the Ex key and move to the next setting 3 Operation lock ON OFF Stands for Operation Lock Operation lockout status O Y ON Locks out operation mode changes OFF Allows operation mode changes Er Enters the selection When the operation lock is ON you cannot change the operation mode or turn the power OFF Press the ex key and move to the next setting 4 Remote control lock ON OFF Stands for Remote Lockl Operation status O YY ON Locks out operation from remote OFF Allows operation from remote E Enters the selection When the remote lock is ON you can only monitor operation from remote not operate the cabinet Press the ex key and move to the next set
61. ire e Always shut OFF power to specimens at the source before unplugging the specimen power supply control terminal plug from the connector Disconnecting the plug with power ON can result in electric shock A CAUTION e Droop cables below and up to specimens as shown in Fig 4 3 If cables are taut dew can run down the cables and damage specimens 30 Chapter 4 Operation U To charge specimens with less than 1 A of power Be sure to fit the line with a suitable capacity fuse Specimen power supply control terminal Specimen Power supply for specimens Test area Fig 4 3 Wiring to specimens lt To charge specimens with less than 1 A of power gt UTo charge specimens with 1 A or more power Be sure to fit the line with a suitable capacity contactor and fuse supply l Specimen Onr terminal Power supply for specimen Contactor Test area Fig 4 4 Wiring to specimens lt To charge specimens with 1 A or more power gt Procedure 1 Remove the cap from the cable port 2 Feed the cable from the specimens through the cable port and then cover the port with the included rubber plug 31 Chapter 4 Operation 3 Disconnect the terminal plug from the connector on the right side of the cabinet Connector Terminal plug Fig 4 5 Disconnecting the terminal plug 4 Wire a power supply to the specimen power supply control terminals Insert the wire leads into the top 2 slots
62. is changed the deviation alarm temperature changes in proportion Temperature C 45 Absolute high limit temperature alarm 35 bee a Upper deviation limit temperature alarm Target temperature 10 C 25 BERERA IARLL LINAN N A OTEA Target temperature 5 Absolute low limit temperature alarm Time Constant mode Constant mode start end Fig 1 1 Temperature alarm settings Safety Device Setting Example U High limit temperature In this example the target temperature is 60 C and the maximum allowed temperature of the specimens is 80 C Safety devices are set as follows Table 1 2 Setting example for overheat protector and high limit temperature alarms O Set 20 C higher than target temperature Overheat protector 80 C Set to specimen s maximum allowed temperature O Set 15 C higher than target temperature a pa a 75 Q Set 5 C lower than Temperature taro specimen s maximum and Humidity allowed temperature controller Upper deviation 10 C Will trip at 70 C limit 11 Chapter 1 12 Precautions in Usage With the settings in Table 1 2 the safety devices will trip in the succession shown in Fig 1 2 as temperature inside the cabinet rises beyond the target temperature The first to trip will be the upper deviation limit alarm followed by the absolute high limit alarm and then the overheat protector Because the cabinet is equipped with multiple safet
63. key POWER key While on standby or in constant mode 1 Test area temperature amp humidity 2 Target temperature amp humidity While running in program mode 1 Test area temperature amp humidity 2 Target temperature amp humidity 3 Time remaining to step end Monitor mode 4 Target step exposure time 5 Repeat cycles 6 Current step While running under remote control Test area temperature amp humidity 2 Target temperature amp humidity 3 Time remaining to step end 4 Target step exposure time Target temperature Constant setup Humidity control ON OFF mode Target humidity Program edit task selection EDIT CLER Step edit content selection STEP END SAVE Step selection Temperature Humidity link control status ON OFF Target temperature Humidity control ON OFF Target humidity Step exposure time Soak control status ON OFF Temperature ramp control ON OFF Humidity ramp control ON OFF Step data enter command YES NO Number of repeat cycles Repeat counter start step Repeat counter end step End mode HOLD OFF CNST ONAARWNS Program setup mode To alarm setup mode Fig 4 12 Modes and functions 1 36 Chapter 4 Operation Program setup mode Absolute high limit temperature alarm Absolute low limit temperature alarm Alarm setup bts nd ot mode Upper deviation limit temperature alarm Absolute high limit humidity Absolute
64. l Set with QQand keys Set with and Wkeys x key Enter mien key Enter Qe l Humidity attainment holding time Wet bulb temperature calibration 59 C aR 62 Wet bulb C Wet bulb rA Humidity ror 1 test area l 5 E H ay attainment L A L L beatae 5 5 I enporatare l holding time P TA i AP ress key no Calibration iu osystem 2999 us osystem om 1 to 3 times ou OsyYsTEM temperature l 5 0 5 0 l Set withQ and Wkeys Set with and Wkeys key Enter Oe V key Enter KN l l x60 Warning buzzer x51 User setup top display l 104 Appendix G Program Sheet To create your programs on paper copy this page and fill in the information as necessary Temperature C Humidity RH 100 50 20 Time h min Step No 1 2 3 4 5 6 7 8 9 Temperature and humidity link control Target temperature Humidity control ON OFF Target humidity Step exposure time Soak control Temperature ramp control Humidity ramp control ON OFF Number of repeat cycles Repeat setup Start step gt Endstep End mode setting O HOLD 105 User s Manual Temperature and Humidity Cabinet amp f Edited and Published by Low Temperature Cabinet ESPEC CORP LH 113 LHL 113 3 5 6 Tenjinbashi Kita ku Osaka 530 8550 Japan LHU 113 LU 113 Tel 81 6 6358 4741 Fax 81 6 6358 5500 April 1 2002 Seventh Edition Printed in Japan
65. l sensor Nut C Humidifying tray water level regulator ee SPs WATER LEVEL FOR HUMIDIFIER mark Fig 3 6 Water level check 3 Reattach the water circuit heat exhaust compartment panel Reference lf water level in the humidifying tray water level regulator is low or high regulate it as follows 1 Loosen the position adjusting screw and raise lower the humidifying tray water level regulator 2 If water level cannot be regulated in step 1 loosen the nut and turn the water level sensor clockwise seen from above to lower water level or counter clockwise to raise it Then retighten the nut 3 Reattach the water circuit heat exhaust compartment panel and set the main power switch in the ON position 4 Press the key 5 Run the cabinet at 30k and 40 RH 6 Check water is the proper level If water level is okay the cabinet is ready for use If not set the main power switch in the OFF position and repeat steps 1 6 28 Chapter 4 Operation Chapter 4 Operation This chapter explains test preparations and preliminary checks test startup and ending of the temperature and humidity cabinets Perform the work described in this chapter before every test 4 1 Test Preparations How to Arrange Specimens Note f The withstand load of each included shelf is 5 kg evenly distributed Remember to spread specimens out across the entire shelf without crowding them
66. lb input to the The sensor is loosely Turn control power OFF from the temperature controller was connected to the CH1 key and resume nn Glsconneel sg Iheicaviner er minak anahe testing If the same alarm occurs ALU has been stopped ES102C temperature aoe 1st CHO i controller board or seen Ce for service ol there is an open circuit in the connected thermocouple The wet bulb input to the The sensor is loosely Turn control power OFF from the coon temperature controller was connected to the CH2 key and resume muna disconnected The cabinet terminal on the LAUZ testing If the same alarm occurs io has been stopped ES102C temperature T f ist ne controller board or AJAN GATO Sen ee Not applicable there is an open to LU S circuit in the cabinet connected thermocouple The temperature inside the Either specimens Remove the heat generating cabinet has risen above the inside the cabinet are specimens and or set the upper upper deviation limit The generating heat or the deviation limit about 10 C higher a eee heater has been stopped until upper deviation limit than the target temperature When 2nd PRE temperature returns within is set too low temperature returns within range 11 range normal control is restored automatically The alarm can be cleared by pressing the or key Cont Chapter 7 Troubleshooting Displayed alarm 2 code channel Trouble Cause Remedial action FE code option
67. loth 3 Close the door Water Circuit Heat Exhaust Compartment Cleaning Dust buildup inside the water circuit heat exhaust compartment can lead to trouble Clean inside the compartment once a month Procedure 1 Check the main power switch is in the OFF position The water circuit heat exhaust compartment has a ventilation fan on the inside Contact would be dangerous Always shut OFF power at the main power switch before opening the water circuit heat exhaust compartment 82 Chapter 6 Checks and Maintenance 2 Detach the water circuit heat exhaust compartment panel 3 Clean dirt from inside with a vacuum cleaner or by other means 4 Reattach the compartment panel Take Down Before Long Periods of Disuse Procedure Before disuse of 3 days or more do the following to prevent mildew or scale formation Failure to do so can affect testing and shorten equipment service life e Drain the wick pan humidifying tray and water of water tank Not necessary with LU cabinet e Dry the test area run the cabinet e Set the main power switch in the OFF position and shut OFF primary power supply U Drying the test area The cabinet is run to dry the test area Turn humidity control OFF and run the cabinet at a minimum 70 C for about 60 minutes After that crack the cabinet door slightly and run the cabinet under the same conditions for about 15 minutes 1 Check the main power switch is in the ON position
68. low limit humidity SET key Communication Communication setup top display setup mode E BUS address Option 1 E BUS transmission speed SET key User setup top display Settings key lock ON OFF Operation lock ON OFF Remote control lock ON OFF Power recovery mode CNTI REST Temperature attainment range Temperature attainment holding time Humidity attainment range 9 Humidity attainment holding time 10 Warning buzzer ON OFF 11 Dry bulb temperature calibration 12 Wet bulb temperature calibration User setup mode ONDOAN 1 System environment monitor top display System 2 Cabinet model code environment monitor mode 3 ROM version 4 Control software Ladder version 1 When equipped with the communication function the user communications setup mode displays settings for the specific type of interface E BUS GP IB or RS 232C To monitor mode Fig 4 13 Modes and functions 2 37 Chapter 4 Operation 4 3 Specimen Safety Device Setup Overheat Protector A CAUTION e Always set the overheat protector BEFORE beginning tests Set it according to the type of specimens and test conditions Unless properly set the overheat protector will not trip in the event of cabinet trouble which could lead to specimen damage For details on the overheat protector setting see 1 2 Specimen Protection Safety Devices Procedure Turn the dials until a suitable temperature is displayed
69. mperature lt 50 0 Press the ex key and move to the next setting 4 Absolute high limit humidity alarm Not necessary for LU cabinet Stands for Absolute High Limit Humidity Alarm _ Absolute high limit humidity S Y Changes the value Q Selects the digit xr Enter changes Setting range Target humidity lt Absolute high limit humidity lt 100 RH Press the ex key and move to the next setting 5 Absolute low limit humidity alarm Not necessary for LU cabinet _ Stands for Absolute Low Limit Humidity Alarmi Absolute low limit humidity O Y Changes the value Q Selects the digit E Enter changes Setting range 0 RH z Absolute low limit humidity Target humidity Press the key and return to the absolute high limit temperature alarm setting 1 Absolute high limit temperature alarm 41 Chapter 4 Operation 4 4 Target Temperature Humidity Setup Constant Setup Mode In the constant mode you set the temperature and humidity U Getting constant setup mode Set the main power switch in the ON position and press the POWER key With the temperature monitor on the display press the Gr key 1 time The target temperature step 1 in the below procedure setting will appear on the display U Operation O Selects and inputs settings Q Selects the digit E Enters changes to settings Unless the Er key is pressed changes you make to settings will n
70. n Repeat counter start step z Repeat counter end step z Number of registered steps Press the ex key and move to the next setting 16 End mode HOLD OFF CNST Select OFF and press the E key Then press the ex key _ Stands for Last e End mode O Y HOLD Holds the conditions created in the last step OFF Shuts control power OFF but primary power remains ON CNST Operates the constant mode conditions xr Enters the selection Press the ex key and move to the step edit content selection step 2 in this procedure 56 Chapter 4 Operation GGGGGGGGGGGGGGGGGGG Saving the ProgramG GGG GGGGGGGGGGGGG 2 Step edit content selection STEP END SAVE The program is saved by selecting SAVE for the step edit content selection and pressing the xr key If you perform other operations such as switching to the alarm mode without first saving the program changes you made to the program will be lost Selects step input Moves to number of repeat cycles setting and end mode setting SAVE Saves the program xr Enters the selection This readies the program for operation Now start the program as explained in 4 5 Test Startup End 57 Chapter 4 Operation 4 5 Test Startup End Test Startup Before starting tests make the preparations and settings described in sections 4 1 Test Preparations 4 3 Specimen Safety Device Setup and 4 4 Target Temperature Humidity Setup Pro
71. nd press the POWER key With the temperature and humidity monitor on the display press the key 6 times The top display in the system environment monitor mode will appear on the display 1 System environment top display Stands for User i Stands for System Press the ex key and move to the next setting 2 Cabinet model code M DET eee Cabinet model code 4 LHL 113 in this case Press the ex key and move to the next setting 74 Chapter 5 Getting More Out of Your Cabinet 3 ROM version Stands for Rom Vresion of currently mounted ROM Press the ex key and move to the next setting 4 Control software ladder version _ Stands for Ladder Version of currently installed control software Press the ex key and move to the next setting 1 System environment top display 75 Chapter 6 Checks and Maintenance Chapter 6 Checks and Maintenance This chapter explains equipment checks and maintenance To keep the cabinet in good working condition perform checks and maintenance periodically Check list 6 1 Check and Maintenance Lists For an explanation on each check item see 6 2 Checks If any of the following checks result bad contact the place of purchase or ESPEC CORP Table 6 1 Check list Check item When to check Main power switch leakage breaker trip test Once monthly Overheat prot
72. net is run with the inner door closed but the cabinet door open temperature pull down rate temperature uniformity and other performance specifications will fall outside of guaranteed levels 65 Chapter 5 Getting More Out of Your Cabinet Chapter 5 Getting More Out of Your Cabinet This chapter explains how to get more out of your cabinet 5 1 Communication Environment Setup Option Communication Setup Mode To communicate with other external devices you must set up the communication environment However if the cabinet is not equipped for communications the display will skip over communication items U Getting communication setup mode Set the main power switch in the ON position and press the POWER key With the temperature and humidity monitor on the display press the key 4 times The communication setup top display will appear on the display Operation O Selects and inputs settings Q Selects the digit E Enters changes to settings Unless the xr key is pressed changes you make to settings will not be updated Moves to the next setting She inthis manual indicates a flashing digit ZON 66 Chapter 5 Getting More Out of Your Cabinet K For E BUS communications 1 Communication setup top display Stands for User Stands for Communication Pressing the key will move to the next setting If the cabinet is equipped for GP IB communications option the
73. nical vibrations e Where not exposed to direct sunlight but which is well ventilated e Where ambient temperature is 5 35 C and free of sharp temperature fluctuations e In a dust free room e Which is not exceptionally wet or humid e Away from flammables and explosives e Where not exposed to combustible or corrosive gases e Near to power water and drainage utilities e Not directly underneath or near to fire alarms Note Cabinet working temperature range is 0 40 C Using the cabinet outside of this range will lead to equipment trouble 20 Chapter 3 Installation U Installation space The cabinet requires maintenance space on the left and right sides plus space on the rear to connect the drain hoses and vent hot air exhaust It must be also be a safe distance from objects on the front side so that the door can be opened It must also be a safe distance from objects on the front side so that the door can be opened s S A Min 300 mm s B Min 300 mm C Min 650 mm D Min 300 mm Re l l l A specimen power supply control terminal option can be installed on the left side of the cabinet Ensure sufficient access space to the terminals if wanting to use them Cabinet size J W650 x H1090 x D805 mm a Fig 3 1 Installation space 21 Chapter 3 Installation 3 2 Removing Shipping Protection LU cabinets excluded 22 Procedure The cabinet is shipped with protective sponges inside the wi
74. nk Drains water from the test area including overflow from the humidifying tray and condensation from 1 i dew tray Humidifying tray drain nipple 1 1 1 7 r 1 1 1 1 1 1 1 i 1 1 Connect a hose here to drain the humidifying tray during temperature tests or humidifier cleaning ater supply drain hoses 9mm ID with snap on socket head Fig 3 2 Cabinet rear connections 23 Chapter 3 Installation 3 4 Power Supply Work A DANGER e Ground the equipment WITHOUT FAIL ELECTRIC SHOCK Unless the equipment is grounded the leakage breaker will not trip in the event current leaks possibly resulting in electric shock The power cable has a 3 pole plug with grounding pole Plug it directly into an electrical outlet with ground E For electrical outlet with ground The cabinet is grounded through the power cable when plugged into the electrical outlet so separate grounding work is not needed ___ Grounding pole Y 3 pole plug with K grounding pole me 3 pole plug with grounding pole For 100V AC 15 A 115V AC 13 A For 220V AC 7 A 230V AC 6 5A and higher power supplies and higher power supplies Fig 3 3 Electrical outlet with ground and power cable plug U For electrical outlets without ground 100V AC 15 A 115V AC 13 A and higher power supplies Though it preferred that an electrical outlet with ground be used the included socket adapter
75. olding specimens Withstand load 5 kg evenly distributed Installation pitch 50mm A_Shelf bracket Holds shelves Move the shelf bracket to adjust the clearance from the ceiling or other shelves 7 r X 44 Humidifying heater Evaporates water in the humidifying tray Humidifying tray Holds humidifying water RY Not provided on LU cabinets Fig 2 2 Test area parts Water Circuit Heat Exhaust Compartment A_Door switch Trips the main power switch when detecting the water circuit heat exhaust compartment panel in the open position 115 220 230V AC i BOISOry DIOIOCIS OR prea a NT Wick pan water supplier Prevents the humidifying heater from overheating when humidifying water is low Ventilation fan 0700000007 Exhausts condenser and air circulator heat from the rear of the cabinet V O D Q D D fo 3 o 5 lt Supplies water to the wick pan Solenoid valve Regulates water flow rate to the X humidifying tray Humidifying tray water level regulator Keeps water in the humidifying tray to a constant level Electromagnetic pump Supplies water to the wick pan Water tank water supplier and humidifying Supplies water to the water circuit tray Not provided on LU cabinets Fig 2 3 Water Circuit Heat Exhaust Compartment parts i 8 Chapter 2 Names and Functions of
76. ontrol is ON 25 26 The display skips over these items if soak control is ON l Also 26 is displayed only with temperature humidity cabinet a a a Oe ee 27 Entering YES enters step data 29 30 Displayed only when 28 is other than 0 Alarm Setup Mode 32 33 34 35 Hite gia OALARM SET Set with and keys Enter with E Ow Absolute low limit temperature Loece ca OALARM SET Set with Oana Qreys Enter with Ow Upper deviation limit temperature UGEE on tu OALARM SET Set with Oana keys E key Enter with x Absolute high limit humidity alar HHU won fo OALARM SET Set with Oana Qreys Enter with n Ow Communication Setup Mode option RS 232C equipped cabinet 1 E BUS equipped cabinet l gt Absolute high limit temperature alarm Absolute high limit temperature alarm Absolute low limit temperature alarm Upper deviation limit l temperature l m Absolute high limit humidity Absolute low limit humidity alarm LoAu nn fou OALARM SET Set with and keys Enter with om Absolute low limit humidity key 35 36 With LU cabinets the display skips over these items
77. ot be updated ex Moves to the next setting N 17 inthis manual indicates a flashing digit LVN 1 Target temperature Target temperature O O Changes the value Selects the digit D Enter changes Setting range Absolute low limit temperature z Target temperature z Absolute high limit temperature The last set humidity target appears here Press the ex key and move to the next setting 42 Chapter 4 Operation 2 Humidity control ON OFF Not necessary for LU cabinet Stands for Humidity _ Humidity control status S Y ON Turns humidity control ON Go to the target humidity setting step 3 in this procedure OFF Turns humidity control OFF Return to the target temperature setting step 1 in this procedure xr Enters the selection Press the ex key and move to the next setting 3 Target humidity Not necessary for LU cabinet _ Target humidity G CONST SET arzi SAO Changes the value Selects the digit xr Enter changes Setting range Absolute low limit humidity z Target humidity z Absolute high limit humidity Press the ex key and return to the target temperature setting 1 Target temperature 43 Chapter 4 Operation Program Setup Mode The program changes the target temperature humidity as dictated by a program that you create in advance Each program is a test pattern of multiple steps Each step contains a target temperature h
78. plug for plugging up cable port 9 25 9 50 9 100 mm U Shelf and shelf brackets Same as those included with the cabinet U Inner door Glass door that allows specimen viewing from the outside Standard performance specifications are not satisfied because of the inner door modification U Portable water tank Replenishes water supply in the standard water tank inside cabinet Hose and valve included U Casters 4 free wheeling casters with foot adjuster U Cabinet stand Stand for holding the cabinet 99 Appendix F Instrumentation Displays E Approx 1 sec after the POWER key is pressed the display panel and lamps light up Approx 1 sec after that the cabinet model is Monitor Mode While on standby or in constant mode ne While running under remote RUN lamp does not light while cabinet is on While running in program mode control mode Ow Target temperature and humidity Ow Target temperature and humidity Ow Number of repeat cycles 1 2 3 4 9 10 With LU cabinet humidity figures and RH are not displayed 7 OMONITOR C R
79. r 2 seconds that the far right column is active by pressing the 9 key Temperature attainment range 56 Temperature SEE ae Set with QQ and WY keys e key Enter nae l l l l l l l l l l l l l l l l l l l Set with Oana Qreys key Enter with x l l l l l l l l l l l l l l l l l l l 1 0 1 10 With LU cabinet the display skips over these items ILI OSYSTEM ee ee eee ee ee ee ee ee eK Ke Set with and Qreys I key Enter with I Temperature attainment holding time Warning buzzer ON OFF I 57 Temperature 60 l 5 EE g attainment b u ede Warning output l holding time 10 a m l ILI osvSTEM 1 9999 on OSYSTEM OFF ON l Set withQJand Ykeys Set with and keys I e key Enter Oe Je key Enter Qe l Humidity control attainment range Dry bulb temperature calibration i x58 Humidity x61 C Dry bulb E Dry bulb I Jot attainment ra H temperature an test area 5 EH l range L A LE calibration 5 OL tempore I 5 1 10 nn Press key nn Calibration I a OSYSTEM uu osystem fom 1 to 3 times wu osysTem temperature 5 0 5 0
80. ral unit which controls everything is the temperature and humidity controller The instrumentation acts as the user interface Temperature andg Humidity controller Temperature and Humidity sensor Instrumentation Electric parts compartment Test area Air conditioning compartment 1 Not provided on LH cabinet 2 Not provided on LU cabinet Fig B 1 Principle of BTHC system 95 Appendix C Parts Construction 96 Table C 1 Parts construction Material Qty Where used Metals Some names are generalized aaa iMG siainless 0 6kg Humidifying heater 18 8 Cr Ni stainless steel 28 4kg Test area Stee L a Copper 4 5kg Refrigerator piping Brass 0 2kg Piping couplings Aluminum 2 5kg Evaporator condenser Synthetics Plastic 5 0kg Wiring insulation Rubber 0 8kg Packing tubing bushings Urethane 1 1 kg Insulation Glass wool 0 3kg Insulation Refrigerant 0 2kg Refrigeration circuit For LHU 113 Appendix D Consumable Parts and Replacement Interval The below parts must be replaced periodically Promptly replace them at the specified interval if not sooner Maintenance service is also provided by ESPEC ENGINEERING CORP For spare parts and servicing contact the place of purchase ESPEC ENGINEERING CORP or ESPEC CORP Table D 1 Consumable parts and replacement interval Part Replacement interval Replacement procedure Wet bulb wick
81. ree of DANGER This mark means extremely N VERY dangerous consequences may DANGEROUS arise with the possibility of death or serious injury to the user if the equipment is handled incorrectly This mark means dangerous consequences may arise with the possibility of death or serious injury to the user if the equipment is handled incorrectly This mark means dangerous consequences may arise with the AN CAUTION possibility of somewhat serious injury to the user and or damage to equipment and facilities if the equipment is handled incorrectly Keywords The following keywords are used in this manual Note Provides information necessary for gaining full performance from the cabinet or to prevent damage to equipment Procedure Explains how to operate the cabinet on a step by step basis Reference Offers supplementary information Document Composition The user s manual composition that came with your cabinet contains the following reference materials Use them as necessary Manual Content Explains the basics of Temperature and Humidity Cabinet LH LHL LHU LU as well as how to effectively use features and some of the options Temperature and Humidity Cabinet LH LHL LHU LU Reorganizes operation from the Quick Reference instrumentation panel into a simple handy digest Explains how to use the communication Options function options This manual shall e Communication always have p
82. riority of the above Function reference materials when found in disagreement Accessories amp Spare Parts D Water supply drain d Brush For cleaning hose 9 mm ID with the humidifying tray snap on socket head Shelf and shelf brackets Vy YY YY WX QD XYXYXY OOS INNS R 3 S W W WN N Ys 4 Ni 2S25 BAVA925 4 Wet bulb wick d Socket adapter g User s Manual Ss Check the following accessories and spare parts have been included with your cabinet and in the specified quantity Check if No Accessory Part Use Qty included Self Shelf and shelf ead D Holds specimens inside the cabinet Self brackets brackets 2 sets 5 Water tank 9 mm ID with snap on socket head Connect supply drain hose to the cabinet to supply and drain water not 1 included with LU cabinets Use to clean the humidifying tray not included Ef prush with LU cabinets 1 Adapter for converting 3P power cable plug to a Socketadapter 2P 100V AC 115V AC specification only o User s Manual Literature necessary for proper cabinet use 1 set E Box of 24 wet bulb wicks and 1 filler not 2 pee pale Wick included with LU cabinets 1 115 220 230V AC specification option cabinets also come with one glass tube fuse LH 5A LHL LHU LUI 10A Contents Introduction N Read this section before
83. rong impact or force Broken glass can cause injury therefore keep fragments away from face and body HANDLE WITH CARE Though the inner door uses reinforced glass do not subject it to string impacts HOT Immediately after operation at high temperature and high humidity hot air can be blown from the cabinet and hot water can drip from A in the below figure when the door is opened In such case crack the inner door and ensure safety before opening the door fully Also condensation clinging to the inner door will drip to the floor when the door is open _ Inner door Cabinet door Fig 4 16 Inner door seen from side 64 Note Reference Chapter 4 Operation The inner door is designed so that users can view inside the test area during cabinet operation However it can fog up during operation at high temperature and high humidity In such case turn the wiper knob until visibility is restored Also the inner door can be locked and unlocked by the turning the lock knob Inner door Wiper Wiper knob Fig 4 17 Inner door parts Swinging the wipe inattentively can jam the tip between the inner door and the cabinet door If this happens open the door and free the wiper Before closing the inner door check the wiper is not protruding outside the inner door frame Also close the inner door slowly and carefully Once a month wipe the inner door clean with a soft cloth or by other means If the cabi
84. seescsteesstseeeeseeeees 27 Checking Water Level in the Humidifying Tray c0ee 27 To Check Water Level in the Humidifying Tray Water Level REQulator ecceeeseeeeseeeeeeneeeeeneeeeneneeeeseeeeaes 28 Chapter 4 Operation 4 1 Test Preparations ia ccc scecccecccecesceeieveuiteeeiins conve eeee vee eeiereediee 29 How to Arrange Specimens ie sccecaicacsarescescseaceecsedaeleavesatenns 29 Setting Shelves and Shelf Bracket ccccsccccscscceseeeeeceeees 29 How to Change Specimens Use only when needed 30 Wet bulb Wick Check Not necessary with LU cabinet 34 Wick Pan Water Level Check Not necessary with LU cabinet Reet ce aL a th A Re tb 35 Water Tank Water Level Check Not necessary with LU cabinet IO ore 35 4 2 Software Interface ttt tt te ett tee 36 4 3 Specimen Safety Device Setup ee ceseeseeseeeeeseeeseeteeeeeseeeneees 38 Overheat Protector s c58 x sss onl ecto Macias eae eee eae 38 Absolute High Low Limit Temperature Humidity Alarms 38 Alarm Setup 016 gt Serene one ener eee eee are peer Sie 38 4 4 Target Temperature Humidity Setup eeeeseeeeeseeeeeseeeeeees 42 0090 21g eo 10 91M 0 0 Ee a em ne ee 42 Program Setup MOdEG t2 facta tucte tact tote faite haste tate 44 4 5 Test Stan p End meee eR NE RUST RAR Ur mn ORME Cee CRN emer 58 Ses C2 SF E E ea 58 asl lt ic at 4 2 ene ee Ce ANE aE dn ERNE SER SND 58 4 6
85. sive substances include but are not limited to chlorine chlorides and acids Though apparently harmless at ambient temperature these substances can readily corrode circuit boards and other parts when the equipment is run at high temperature and humidity Chapter 1 Precautions in Usage 1 2 Specimen Protection Safety Devices A CAUTION e Set safety devices according to test conditions and the type of specimens Unless properly set specimens could be damaged in the event something goes wrong in testing The cabinet is controlled to a user set target temperature and humidity by a temperature and humidity controller but temperature and humidity can get out of control for various reasons Therefore to protect specimens against thermal and humidity damage the cabinet comes with hardware and software protection against overheating The LU is without humidity control Table 1 1 Hardware Software safety devices Trip point p p Equipment response Safety device Set to satisfy below when tripped Remarks conditions Set roughly 20 C higher than Overheat protector ETIR ATIPE rn Alarm displayed Set below specimen s maximum B Jed allowed temperature Buzzer sounde Set roughly 15 to 20 C higher O Heater shut OFF Abed than target temperature 0 eee Bie sii high limit Set below specimen s maximum A T CADENO S allowed temperature aa s h 5 _Max 95 C O A ee ut
86. st has formed on the cooler Defrost the cabinet Not necessary for LH cabinet See 7 3 User Practical Servicing 90 Chapter 7 Troubleshooting 7 3 User Practical Servicing Defrosting Procedure Frost may form on the cooler in temperature humidity operations below 30 40 C Defrost the cabinet in the following cases e If temperature amp humidity inside the cabinet is uncontrollable or rises slowly e If air blown from the cabinet is weak when the door is opened e lf frost or ice form on test area walls e If frost or ice form on the viewing window on the inside e If frost forms on the cabinet door gasket and alarm AL26 is displayed during temperature humidity operation Use this procedure to defrost packing as well U How to defrost cabinet 1 Check the main power switch is in the ON position 2 Set target temperature to 70 C and turn humidity control OFF not necessary for LU cabinet 3 Press one of the OPER STOP keys Run the cabinet for about 60 minutes with the door closed then for 15 minutes with the door slightly cracked 91 Appendix A Major Specifications Table A 1 Temperature and Humidity cabinet specifications Model LH 113 LHL 113 LHU 113 APUG SEC Balanced temperature and humidity control system BTHC system Power supply 100VAC 19 50 60Hz Maximum current
87. sting If the stopped same alarm occurs again call for service 88 Chapter 7 Troubleshooting 7 2 Other Troubles A DANGER e ELECTRIC SHOCK Before working on the power circuits on the primary side of the main power switch leakage breaker shut OFF primary power supply and check the line is dead Also take measures to prevent accidental charging Working with primary power supply ON runs the risk of electric shock Shut OFF power from the main power switch leakage breaker BEFORE detaching the water circuit heat exhaust compartment panel This section explains troubles undetected in cabinet self checks and cases of misoperation which are easily mistaken as trouble If the trouble cannot be remedied after taking the prescribed action contact the place of purchase or ESPEC CORP Table 7 2 Other troubles Trouble Cause Remedial action The instrumentation panel Gere Nor nee Primary power supply is OFF Activate the primary power supply after pressing the POWER key The display goes out all of sudden or the displayed information is strange Switch the main power switch OFF and ON If the same trouble reoccurs call for service System trouble or internal board trouble The door is hard to close Something is caught in the door Remove the obstruction Frost has formed and hardened on Defrost the cabinet See 7 3 User the door packing Practical Servic
88. t ON and press the vr key Then press the ex key 7 Set target humidity Input 50 and press the E key Then press the ex key 8 Set the step exposure time Input 1 30 and press the xr key Then press the ex key 9 Turn soak control OFF Select OFF and press the vr key Then press the x key 10 Turn temperature ramp control OFF Select OFF and press the xr key Then press the ex key 11 Turn humidity ramp control OFF Select OFF and press the xr key Then press the ex key 12 Enter step setup Select YES and press the vr key Then press the ex key GGGGGGGGGGGGGGGGGG Step 4 SetupG GGGGGGGGGGGGGGGGG 2 Select the step edit content selection STEP END SAVE To setup the next step No select STEP and press the xr key 3 Input the setup No Input 4 and press the xr key Then press the ex key 4 Turn temperature humidity link control ON Select ON and press the xr key Then press the ex key 5 Set target temperature Input 20 0 and press the xr key Then press the ex key 6 Turn humidity control OFF Select OFF and press the E key Then press the ex key 53 Chapter 4 Operation 8 Set the step exposure time Input 1 00 and press the xr key Then press the ex key 9 Turn soak control ON Select ON and press the xr key Then press the ex key 12 Enter step setup Select
89. t fire electric shock and breakdown Do not disassemble remodel or service the equipment Unauthorized handling can lead to malfunction fire electric shock personal injury and breakdown For servicing contact the place of purchase or ESPEC ENGINEERING CORP 14 Note Chapter 1 Precautions in Usage A CAUTION HOT AIR BLAST WHEN OPEN Use caution when opening the door during and shortly after operation at high temperature HOT air is blown from inside the cabinet when opened HOT ON THE INSIDE During and shortly after operation above 55 C the cabinet is HOT on the inside specimens shelves door gasket test area walls Direct contact may result in burns Wear heat resistant gloves COLD ON THE INSIDE During and shortly after operation below 0 C the cabinet is COLD on the inside specimens shelves door gasket test area walls Direct contact may result in cold burns Wear cold resistant gloves Not necessary with LH cabinet When opening the door during or immediately after operation be careful of dewing Dew formed inside the test area can drip onto the floor Be mindful of dewing also when loading specimens which contain moisture into the cabinet DO NOT turn the refrigerator ON within 5 minutes of turning it OFF or vice versa Failure to observe the above precautions can seriously shorten refrigerator service life Not necessary with LH cabinet DO NOT introduce electrically conductive specimens
90. ting 69 Chapter 5 Getting More Out of Your Cabinet 5 Power recovery mode CNTI REST Stands for Recovery _ Power Recovery Mode O D CNTI Restores state prior to power failure RSET Resets chamber to initial state E Enters the selection Press the ex key and move to the next setting 6 Temperature attainment range __ Stands for Stability Temperature 11 le Temperature attainment range O Change the value D Selects the digit E Enters the selection Setting range 0 1k Temperature attainment range z 10k Press the ex key and move to the next setting 7 Temperature attainment holding time Stands for Stability Temperature 27 Temperature attainment holding time sec O D Change the value Q Selects the digit En Enters the selection Setting range 0 z Temperature attainment holding time Z 9999 seconds Press the ex key and move to the next setting 70 Chapter 5 Getting More Out of Your Cabinet 8 Humidity control attainment range Not displayed with LU cabinet Stands for Stability Humidity 1 _ Humidity attainment range D Change the value Q Selects the digit xr Enters the selection Setting range 1 RH lt humidity attainment range lt 10 RH Press the ex key and move to the next setting 9 Humidity attainment holding time Not displayed with LU cabinet Stands for Stability Humidity 21 _ Hum
91. tion 5 Set the main power switch in the OFF position 6 Remedy the trouble as explained in the Alarm Tables on the following pages 7 To resume operation set the main power switch in the ON position press the POWER key and then press the OPER STOP key in that order U When a 2nd Degree Alarm Occurs When the cause of the trouble persists 1 Check the alarm code AL onthe display 2 Press either the A or keys to silence the buzzer 3 Remedy the trouble as explained in the Alarm Tables on the following pages When the cause of the trouble has been cleared normal control is automatically restored The alarm code is cleared 85 Chapter 7 Troubleshooting Alarm Table When the cause of the trouble has been eliminated 1 Check the alarm code AL on the display 2 Press either the or keys to silence the buzzer The alarm code is cleared Table 7 1 Alarm table 86 Displayed alarm Q code channel Trouble Cause Remedial action FE code option The room temperature The sensor is loosely Turn control power OFF from the compensation input to the connected to the RTD key and resume ALOH temperatureconrolerwass Ermina on tie testing If the same alarm occurs A disconnected The cabinet ES102C temperature ng 1st LAUH again call for service i of has been stopped controller board or there is an open circuit on the ES102C board The dry bu
92. ts This chapter explains cabinet test area instrumentation panel and water circuit neat exhaust compartment parts by name and function Return to this chapter any time you are not sure where the part being referred to is 2 1 Cabinet Front and Right Cabinet door fo ss ss s 2 5 y Open for specimen loading unloading eee Collects and drains S Z condensation running off of i ners call the cabinet door Instrumentation panel _ Contains the temperature and humidity controller overheat protector and main power switch Push button Press this button and pull on the handle to open the door Not applicable when equipped with an optional inner door 5 Door handle Pull to open the cabinet door Instrumentation frame and cover Protect the instrumentation panel against condensation dripping from the cabinet door Except when operating the cabinet keep the cover closed Rear and Left Cable port Feed cables such as to charge specimens into the test area from here s f Water circuit heat exhaust compartment panel Rear exhaust port x Specimen power supply control terminals Option Terminal for applying voltage to specimens Water tank nipple gt nike an at JJ _ Humidifying tray nipple Connect a hose here to fill Connect a hose here to drain the humidifying tray Drain hose 22200eeeeeeeneees
93. ty ramp control ON OFF Not necessary for LU cabinet Select OFF and press the E key Then press the ex key In ramp control humidity rise or fall from the setting in the previous step to that of this step is controlled at a constant rate or ramp Press the ex key Stands for Humidity Ramp Humidity ramp control status O Y ON Turns humidity ramp control ON OFF Turns humidity ramp control OFF D Enters the selection Humidity ramp control cannot be used in humidity pull down with LH cabinets because the heater is shut OFF in humidity pull down Humidity is pulled down naturally Humidity ramp control cannot be used when soak control is used Humidity ramp control cannot be used with step No 1 It is kept OFF even if turned ON in step No 1 Setup and move to the next setting 51 Chapter 4 Operation 12 Step data enter command YES NO Select YES and press the E key Then press the ex key Stands for Enter _ Enter command O YES Enters data and ends input for the current step NO Ends step input without entering the input data xr Enters the selection If you perform another operation such as moving to another step without first entering your step data all the unentered settings you made for that step will be cancelled Press the key and move to the step edit content selection step 2 in this procedure GGGGGGGGGGGGGGGGGG Step 2 Setup
94. umidity and exposure time Only one program of a maximum 9 steps anda maximum 99 repeated steps can be stored in memory at a time U Program setup flow The basic program setup flow is shown here below Select EDIT Get the program edit task selection Input the test pattern Set up individual steps Max 9 steps Make the setting Enter the setting Make the setting Enter the setting Step 1 setup Step 2 setup Step Settings and Selections No temperature humidity link control ON OFF target temperature humidity control ON OFF target humidity step exposure time soak control ON OFF temperature ramp control ON OFF humidity ramp control ON OFF step setup entry Input settings as needed for step 3 and after Make the setting 6 Select END and press the E key Set the number of repeat cycles and end mode Set the number of repeat cycles 0 99 Number of repeat cycles Repeat counter end step Set the end mode HOLD OFF CNST End mode End program editing Save the program Select the step edit content selection 6 Select SAVE and press the xr key 44 Chapter 4 Operation U Getting program setup Set the main power switch in the ON position and press the POWER key With the temperature humidity monitor on the display press the 1 key 2 times The program edit task selection will appear on the display U Operation S
95. ure time Number of repeat cycles gt 16 rm Program edit 23 28 F I N 2 um task selection Setup en E T Number of x OPRGM SET Sy OPRGMSET Pa paag GRET repeat cycles key o Ed E TER L3G 100 999 5 l E CLER h min amp ame program onae Set with and Y keys Set with and Y keys ENjkey To select EDIT 2 key Enter with Erev Enter with Step edit content selection Program setup STEP END SAVE Soak control status ON OFF Repeat counter start step Soak control 17 Step edit gt 24 29 Repeat i adia Settable only ter start GAS sonini L50 when 25 is Strt BILo OFF Displayed I oprem set STEP OPRGM SET q OPRGM SET Jonly when 28 5 t E P END o FE F OFF ON f is other then l SAVE o If entering END move to 28 j y Entering SAVE saves the program O Set with and keys Set with A and Ww keys ey Enter with E e i ENjkey To select STEP Y Enter with 4 Temperature ramp control Step selection ONIDFE P Repeat counter end step Temperature Ri t 18 Step 25 ee 30 epeal p control 5
96. using the equipment 1 1 Substances Which Should Not Be Placed Chapter 1 Precautions in Usage inside the EquipMent sisi a et et eeaeee a teatea 7 1 2 Specimen Protection Safety Devices useen 10 Safety Device Setting Example cnikkhnudkaokhkekintnk 11 1 3 Disposing of the GaDINGl vests sscscudeccscadacs tees does does suds tues ode esss dist onal 13 1 4 Other Precautions s4 c 04e40ada dada dada ida dada i 14 15 Warning Labels ernan r arare eee reeeeiee eee eens 16 For Additional ete ie 3 Oo 0 Gasket lea naa 16 Chapter 2 Names and Functions of Parts 2 1 CAbINGL EEEE 17 v Fr ntand IGM bseacdetes ala ect tant Se teed Na dee cope 17 NSA Ceftininiatdiin ia nannan an a 17 E Ec ET cccccccscscsscsscsesscssssesecsesecsecsesecsesecsecaesessececsecaesecsecaeseeas 18 Water Circuit Heat Exhaust Compartment ccceeeee 18 2 2 Instrumentation Panel estas ccc secnchetseidsaseded asada ee eee 19 Chapter 3 Installation Bil Msta O a vest it el el ee lt le a 20 Installation Site CHECK Acetate tote tie tern tet tot tet ith ccttoh cai tat cat 20 3 2 Removing Shipping Protection LU cabinets excluded 22 3 3 Drainage Work Not necessary with LU cabinet 0 23 3 4 Power Supply Work aces ei eee decd elec ess iS 24 3 5 Water Level Check Not necessary with LU cabinet 4 26 ho Fill the Water lank c c cccs irs 26 Water Consumption Rate ccccccceecceseece
97. ween 0 and 99 If the number of repeat cycles is set to 0 the program will be executed as usual without repeating any specific part If set to 0 go to the end mode setting step 16 in this procedure If set to a number between 1 and 99 go to the repeat counter start step setting step 14 in this procedure Press the ex key and move to the next setting 14 Repeat counter start step Input 1 and press the xr key Then press the key _ Stands for Start Repeat counter start step O Y Change the value xr Enters the selection The repeat counter start step can be set within the following range 1 z Repeat counter start step Number of registered steps Press the ex key and move to the next setting 55 Chapter 4 Operation 15 Repeat counter end step Input 3 and press the vr key Then press the ex key _L Stands for End Repeat counter end step O Y Change the value xr Enters the selection The repeat counter end step can be set within the following range Repeat counter start step Z Repeat counter end step z Number of registered steps If the repeat range setup does not satisfy the below condition an error will be generated when you attempt to save the program SAVE 6 xr key and you will not be able to save the program EDIT ERR will appear on the display therefore correct the repeat range to satisfy the conditio
98. y devices abnormal temperatures cannot escape detection even if one of the devices is not working Cabinet temperature C 8 75 70 60 oO Abnormal temperature detected here If ki Abnormal temperature l Ta O RENE WOND h detected tiere U a aati oi aac Overheat protector ae not Working Ko Noi DAbsolute high limit Abnormal temperature alarm temperature este eee ts A E E De ia eR aie ca EA Upper deviation limit detected here temperature alarm ee aero gt eee nee ee Target temperature Alarm cleared here Time Fig 1 2 Temperature alarm trigger conditions Chapter 1 Precautions in Usage 1 3 Disposing of the Cabinet A DANGER e TRAPPED INSIDE Before disposing of the cabinet take the door off its hinges e HEAVY DOOR Have someone hold the door when detaching it from the hinges The door is heavy and can injure you if it falls on top of you Procedure 1 Remove the bolts that lock the hinges x 2 to the door Use an 8 mm wrench Support the door to prevent it from falling 2 Lift the door upward slightly and then pull it toward you to detach Fig 1 3 Door hinge 13 Chapter 1 Precautions in Usage 1 4 Other Precautions A DANGER e Ground the equipment WITHOUT FAIL ELECTRIC SHOCK Unless the equipment is grounded the leakage breaker will not trip in the event current leaks possibly resulting in electric shock For details on grounding see 3 3 Power Supply Work

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