BONIS ST535 User Handbook Manual Download Page 7 | Manualshive

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4. ABOUT THE KILN
4.1 Knowing your kiln

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Summary of Contents for ST535

Page 1: ...User Handbook Electric Top Loading Kilns For Ceramics Controller ST535 TEL 0030 210 6220520 0030 210 6220521 Email info bonis gr 1 ...

Page 2: ...ty insulation for low power consumption This instruction manual includes all the important information and guidelines you will need to start using you kiln as safe and simple as possible Please read the instruction manual carefully before the first operation and become familiar with the features and functions of the kiln and the controller Our team is always available to provide more information a...

Page 3: ...loading 14 6 Controller ST 535 15 6 1 Controller ST215 Features 15 6 2 Controller overview 16 6 3 Turning On 16 6 4 Quick Start Guide 17 6 5 Firing Program 18 6 6 Program Samples 19 6 6 Entering a program 19 6 7 Altering Reviewing a program 22 6 8 Program Start 22 6 9 Indications during firing 23 6 10 Functions during firing 24 Program Pause Facility 25 6 11 Program STOP 25 6 12 Completion of firi...

Page 4: ...ar of manufacture 2 Type 3 Serial Number 4 Maximum temperature 5 Installed power Kw 6 Amper for single phase kilns 7 Plug type Power supply 8 Amper per phase for three phase kilns 2 SAFETY INSTRUCTIONS 2 1 Sign recognition Warning HIGH VOLTAGE Warning DANGER Warning HOT SURFACE Warning RISK OF FIRE 4 ...

Page 5: ...lace store any flammable materials close to the kiln Always have a safety distance of 50cm from the kiln Do not store flammable liquids gas in the same room with the kiln Place the kiln in a well ventilated area If this is not the case a ventilation system has to be installed Place the kiln in a place that is protected from water rain Place the kiln in a room where kids and pets have no access 3 C...

Page 6: ...ion The controller power cable is also connected to contact 2 T1 Neutral Attaches to the red insulator Grounding Attaches to the yellow screw at the base of the panel The lower ring is electrically connected to the electrical panel upper ring with an industrial type plug There is a terminal on the electrical panel to connect the thermocouple ATTENTION to the polarity of the cables Η type kilns 130...

Page 7: ...4 ABOUT THE KILN 4 1 Knowing your kiln 7 ...

Page 8: ...s below 100C CAUTION Kiln handle may be hot Hot air may come out from the kiln 3 Kiln stand Kiln features a metallic stand You must always use the kiln while it is on the stand DO NOT PLACE THE KILN ON FLAMMABLE FLOOR 4 Lid closure You must always close securely the lid closure before starting a firing Do not use the kiln with the lid closure unsecured 5 Bottom closures All bottom closures must be...

Page 9: ...Element Switches Heating element power switches These switches must always be to ON position 9 Heating Element Operation Lights This indication light will light on during firing ONLY when the heating elements are working During a firing this light will switch OFF and ON indicating the heating elements operation 10 Main Fuse 6Α 11 Controller plug Controller is connected to the kiln by a simple plug...

Page 10: ...s or other flammable materials close or in contact with the kiln When loading unloading the kiln the main switch must be OFF Do not place in the kiln any material with unknown reaction to firing Do not move the kiln while in operation Do not open the kilns while in operation Always open the kiln after cooling down to 50C Do not place flammable objects in the kiln Note At high firing temperatures a...

Page 11: ...cuum cleaner to remove particles from the heating elements Please not that when cold heating elements are extremely brittle 4 5 Insulation The kiln insulation is made from high grade fireproof material Due to thermal expansion cracks in the insulation will occur after a few heating cycles These have no influence on the function safety or quality of the kiln The refractory bricks insulation are of ...

Page 12: ... We advise you to support whole kiln shelves in 3 points Always position the stilts one above the other for each layer to avoid kiln shelf deformation or cracking Please Note You must always leave a gap between kiln floor and the first kiln shelf You must place small stilts or pieces of broken kiln shelves on the bottom of the kiln and you first kiln shelf will be placed on top of these stilts 12 ...

Page 13: ... To enhance even temperature distribution we strongly suggest to load your kiln evenly Please Note In top load kilns it is recommended not to place low height ceramics on the bottom shelf We strongly recommend to place medium height ceramics on the bottom shelf approximately 5cm or more If you place low height ceramics on the bottom shelf you must use stilts of bigger height to have the required g...

Page 14: ... and it helps the kiln to cool faster Fast cooling can be done when the kiln temperature is below 100C CAUTION Kiln handle may be hot Hot air may come out from the kiln 5 4 Kiln unloading During loading unloading of the kiln the main switch must be OFF the kiln must be unplugged from power or the power switch must be also to OFF position Make sure the lid is well supported before loading unloading...

Page 15: ...per segment Soak times up to 99 hours 59 mins Ramp rates from 1 to 999 hour FULL Ideal for glass or ceramics use Programs can be altered while firing Program pause and advance facilities Keyboard lockable Delayed start facility up to 99 hours 59 mins Power failure recovery Energy used display Setpoint display Alarm buzzer alarm output C F operation 15 ...

Page 16: ...6 2 Controller overview 6 3 Turning On When turned on the ST535 performs a display test by lighting all of the display segments and illuminating all of the front panel indicator lamps 16 ...

Page 17: ...iln temperature All other lamps should be off Next to the main display zone indication will light 1 indicates the temperature of the lower zone 2 of the middle zone and 3 of the upper zone All other indications must be OFF If any other indications are ON press START STOP 6 4 Quick Start Guide Press button arrow to the right Main display will show a program number Use buttons or until display shows...

Page 18: ...next segment until the end of the program is reached The ST535 is capable of both positive heating ramps and negative cooling ramps as used in glassmaking for annealing The type of ramp is clearly shown on the mimic display during firing The ramp rate is settable in the range 1 C hour to 999 C hour or FULL full power is for uncontrolled fast heating To enter full power you must increase heat rate ...

Page 19: ...0 80 120 540 00 00 3 80 60 100 600 00 00 4 150 120 150 MAXIMUM TEMPERATURE 00 00 5 END Set the desired maximum temperature according to your clay needs Usual soak time Bisque 10 minutes 00 10 Glaze 20 to 30 minutes 00 20 00 30 You can use this program template and only change the maximum temperature and soak time at segment 4 6 6 Entering a program When not firing there are no indicators lit on th...

Page 20: ...the first segment of the selected program Main display shows the ramp rate in the range End 1 999 C HR or FULL This can be altered with the keys The heating ramp or the cooling ramp indicator on the mimic panel will flash If End is shown but another segment is required then push the key to obtain the required ramp rate in the range 1 C hr to 999 C hr If FULL is shown but another segment is require...

Page 21: ...ndicator on the mimic panel will flash When the desired soak time is set press button The next push of the key increments the segment number digit and small segment display will show number 2 which indicates the second segment of the selected program Follow this steps to enter as many segments as you need When all required segments are entered you must mark the end of the program To do that push t...

Page 22: ... to correct errors or to exit programming mode Note 3 If the controller remains idle for 10sec it will autonatically exit the programming mode Any changes made are automatically saved 6 7 Altering Reviewing a program To Alter Review a program we follow the same procedure as entering a new program 6 8 Program Start To start a program press the key A program number will be displayed The required fir...

Page 23: ... firing prematurely at any time press the key again The firing indicator lamp will go out 6 9 Indications during firing When a firing is running Main Display will show the current temperature Next to the main display zone indication will light 1 indicates the temperature of the lower zone 2 of the middle zone and 3 of the upper zone Press or to navigate through the zone temperatures Segment Displa...

Page 24: ...display The firing value is shown on the main display and can now be adjusted with the keys in the usual way The contents of the current segment or any segment still to be executed can be changed Firing will still carry on as normal while these changes are being made The ST535 will return to its normal running display 20 seconds after key presses cease or immediately after END is displayed PLEASE ...

Page 25: ...th care Program execution is suspended and the kiln will be held at its current temperature If left too long at high temperatures kiln damage could result Pause will automatically release after an Installer defined time period default 2 hours see Installation Handbook Energy consumption While a program is running you can check the energy consumed up to this point of firing When Main display shows ...

Page 26: ...strument For your safety do not open the kiln before temperature drops to 50C NOTE Firing is completed when the main display shows HOT You can then switch off the kiln and the mains fuse 6 13 Useful operations Energy Used When not firing and main display shows Current temperature push key to show the total amount of electrical energy used in KWH during the last firing This information is stored wh...

Page 27: ...es the remaining soak period This recovery scheme can be disabled if required see installation handbook the ST535 will then lock up with FAIL displayed and kiln off in the event of power failure 6 14 Error Messages If the ST535 detects a problem the buzzer will sound and an error message will be displayed This error message will alternate with a display of kiln temperature The segment number displ...

Page 28: ...apparently less than 40 C This is an installation fault Get wiring checked ERROR 4 Cooling error The kiln has been on zero power for 30 minutes but the kiln temperature has not fallen by at least 1 C ERROR 5 Kiln temperature overshoot The kiln temperature exceeds the desired temperature by a preset limit ERROR 6 Maximum firing time exceeded The length of the firing has exceeded an installer select...

Page 29: ...ected within the firing program when the key is pressed to start a firing The alarm buzzer will sound 3 times and the segment display will show the suspect segment number To clear this error press the key The ST535 will now enter programming mode to allow the suspect program to be viewed and altered if necessary If a fault is found then correct it If no fault is found then press the key again to f...

Page 30: ...l make them last longer It is also recommended to place all your kiln shelves in the kiln in order to dry them out Please do not stack kiln shelves one on top of the other Use stilts to support shelves Program for kiln drying is pre installed as program 20 Segment Ramp Temperature Soak C per h Degrees C Time hh mm 1 150 150 00 00 2 60 250 00 00 3 80 550 00 00 4 110 1050 00 30 5 END Firing duration...

Page 31: ... 1000 00 10 10 49 PRO 8 BISQUE MEDIUM 1020 00 10 10 57 PRO 9 BISQUE MEDIUM 1040 00 10 11 05 PRO 10 BISQUE MEDIUM 1200 00 10 12 09 PRO 11 GLAZE BISQUE FAST 1020 00 20 9 26 PRO 12 GLAZE BISQUE FAST 1040 00 20 9 34 PRO 13 GLAZE BISQUE FAST 1220 00 20 10 46 PRO 14 GLAZE BISQUE FAST 1240 00 20 10 54 PRO 15 GLAZE BISQUE FAST 1250 00 20 10 58 PRO 16 MIX MEDIUM 1020 00 20 11 07 PRO 17 MIX MEDIUM 1040 00 2...

Page 32: ...9 My Programs Soak Heating Rate Firing type Maximum Temperature Program No 32 ...

Page 33: ...10 Notes 33 ...

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