172-00-C -4 Roller Oven - User Manual
Contents
1. Output 1 Open the panel door and press and hold the TIME ADJ button until a blinking clock appears Press the h and min buttons to set the correct local time Press WRITE when finished Set the P1 P2 Run button to P1 to show the time OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 12 Programming 1 2 10 Turn the Heat switch on the control panel to the ON position Set the 0UT1 switch On Auto Off to AUTO setting Leave the OUT2 switch off Set the switch to the right of the display to P1 to activate programming mode for Output 1 Select the day of the week for each the ON off operation marked by the removal of a dash above the day of the week button Press the h and min buttons to set the correct time for the ON or beginning cycle to begin The UP arrow will blink Press WRITE to activate the turn off time The down arrow blinks Select the day of the week for each the on OFF operation marked by the removal of a dash above the day of the week button Press the h and min buttons to set the correct time for the OFF cycle to end The DOWN arrow will blink Press WRITE when finished Set the switch P1 P2 Run to the right of the display to RUN The bar will display the day s of operation OFITE 11302 Steeplecrest D2. arrow will blink Press Write to activate the Turn Off time The Down Arrow Blinks Select the day of the week for each the on OFF operation marked by the removal of a dash above the day of the week button Press the h and min buttons to set the correct time for the OFF cycle to end The DOWN arrow will blink OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 7 9 Press WRITE when finished 10 Set the switch P1 P2 Run to the right of the display to RUN The bar will display the day s of operation To clear all programmed settings Open the bottom panel and insert a pointed object into the RESET hole Then press and hold the 1h CLEAR button for 3 seconds Temperature Controller 1 Upper Temperature is the current temperature 2 Lower Temperature is the temperature set point OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com Setup 1 Flip both switches on the control panel Motor and Heat to the Off position down 2 Connect the power cord to the proper voltage source If an adapter or another power plug is required note that the green wire is the ground and the white and black wires are the power leads 3 When the power cord is connected the timer will be activated It is rec ommended that the power be left c
3. 25 Fan Motor 173 15 Knob Oven Door Black 174 07 1 5 Fan Blade 174 13 Motor 174 14 Motor Controller 115 Volt Ovens 172 00 C 171 82 Power Cord 8 Feet 172 07 Fuse 5Amp Box of 5 230 Volt Ovens 172 00 1 C 130 74 Transformer 230 115 Volt 50 60 Hz 165 40 2 Power Cable 6 Feet 172 05 Fuse 2 Amp Box of 5 OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com Optional 175 25 Aging Cell 303 Stainless Steel with Valve 260 mL 175 30 Aging Cell 303 Stainless Steel with Valve 500 mL 175 50 Aging Cell 316 Stainless Steel with Valve 500 mL 175 80 Aging Cell 316 Stainless Steel with Valve 1 000 mL 172 00 SP Spare parts for 172 00 C 4 Roller Oven with Circulation Fan 115 Volts Fuse for Temperature Controller Y Amp 4172 03 Sprocket p p6_ 172 04 Connecting Link for Chain 6 172 06 Half Linkfor Chain 6 4172 08 Bearing for Roller Shafts Glass Impregnated Tefon 8 J Spare parts listings are intended to be used as a reference for future pur chases Everyone s consumable requirements will be different and replace ment quantities needed will depend upon the number of test performed on a Note daily and or weekly basis 172 00 1 SP Spare parts for 172 00 1 C 4 Roller Oven with Circulation Fan 230 Volts Fuse for Temperature Controller Y Amp 17203 Sprocket 17204 Connecting Link for Chain 6 172 06 Half Linkfor C
4. 7300 Fax 713 880 9886 www ofite com 6 Quick Start 1 Plug in to appropriate electrical outlet 2 Flip the Heat switch on the control panel ON The red light pulsates when temperature is reached This also turns on the circulating fan 3 Flip the Motor switch on the control panel ON The white light comes on and the rollers begin turning Programmable Timer To set the correct local time 1 2 6 7 Turn the Heat switch on the control panel to the ON position Set the Out 1 switch On Auto Off to the AUTO middle position Set the P1 P2 Run button to P1 to activate programming mode for Output 1 Open the panel door and press and hold the TIME ADJ button until a blinking clock appears Press the h and min buttons to set the correct local time Press WRITE when finished Set the P1 P2 Run button to P1 to show the time To program the timer als 2 Turn the Heat switch on the control panel to the ON position Set the 0UT1 switch On Auto Off to AUTO setting Leave the OUT2 switch off Set the switch to the right of the display to P1 to activate programming mode for Output 1 Select the day of the week for each the ON off operation marked by the removal of a dash above the day of the week button Press the h and min buttons to set the correct time for the ON or beginning cycle to begin The UP
5. codE 0 Press the up arrow to change the code to 1 After a few seconds the display will read codeE PASS Press the scroll key once The display will read Goto OPEr Press the down arrow once The display will read Goto conF Press the scroll key once The display will read ConF 0 Press the up arrow twice The display will read ConF 2 After a few seconds the display will read ConF PASS Press the scroll key twice The display will read unit oF Press the up or down arrow to select units Available options F C K none Press the page and scroll keys at the same time The display will read Elit no Press the up arrow key once The display will read Elit yes This will reboot the temperature controller After the reboot the display will show the new units Page Scroll OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 18 Warranty and Return Policy Warranty OFI Testing Equipment Inc OFITE warrants that the products shall be free from liens and defects in title and shall conform in all respects to the terms of the sales order and the specifications applicable to the products All products shall be furnished subject to OFITE s standard manufacturing variations and practices Unless the warranty period is otherwise extended in writing the following warranty shall apply if a
6. or maintenance of the products e Misuse Neglect e Adjustment by non authorized sources e Improper environment e Excessive or inadequate heating or air conditioning or electrical power failures surges or other irregularities e Equipment products or material not manufactured by OFITE e Firmware or hardware that have been modified or altered by a third party e Consumable parts bearings accessories etc Returns and Repairs Items being returned must be carefully packaged to prevent damage in shipment and insured against pos sible damage or loss OFITE will not be responsible for equipment damaged due to insufficient packaging Any non defective items returned to OFITE within ninety 90 days of invoice are subject to a 15 restock ing fee Items returned must be received by OFITE in original condition for it to be accepted Reagents and special order items will not be accepted for return or refund OFITE employs experienced personnel to service and repair equipment manufactured by us as well as other companies To help expedite the repair process please include a repair form with all equipment sent to OFITE for repair Be sure to include your name company name phone number email address detailed description of work to be done purchase order number and a shipping address for returning the equipment All repairs performed as repair as needed are subject to the ninety 90 day limited warranty All Certified Repair
7. the heater at 450 F 232 2 C which is the maximum allowable Note temperature Be careful in handling hot aging cells Do not open cells while hot A N or under pressure Properly bleed off pressure and be sure the Important valve stem is always pointed away from people or equipment Al ways wear personal safety equipment 6 Leave the Heat switch on the control panel ON until the oven and sample have cooled down to handling temperature The temperature controller will indicate the oven temperature as long as the Heat switch is on For faster cooling open the door 7 After the test is complete turn the Heat and Motor switches off OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 11 Timer SUN MON TUE WED THU FRI SAT HOLIDAY Panel Door Folds Down The timer can be programmed to turn the heaters on and off throughout the week Each set of on off operations requires setting an ON time and an OFF time separately During programming the following symbol will appear on the display When programming the ON time the up arrow will blink When programming the OFF time the down arrow will blink To Set to the Correct Time 1 2 Turn the Heat switch on the control panel to the ON position Set the Out 1 switch On Auto Off to the AUTO middle position Set the P1 P2 Run button to P1 to activate programming mode for
8. 5 Volt or 2 Amps for 230 volt b The one on the right is for the temperature controller 72 Amp c The one below is for the heater 10 Amps d The circulation fan motor fuse is inside the oven 1 Amp 6 Most of the heat is lost around the door The door insulation material should be soft and pliable Over time it will become rigid and hard and will not insulate as well If this happens replace the insulation 172 10 OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 16 7 Occasionally check the chains and sprockets in the back of the oven The chain will stretch and the sprocket spokes may become worn down This affects the operation of the oven requiring an occasional replacement of the chain and sprockets Every three months apply a small amount of grease to the chains and sprockets 8 The cover on the back of the oven will need to be removed Always re place it after the necessary repairs have been completed Note P Roller Oven Rear With Back Panel in Place Chain Drive and Sprockets OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 17 A p pe ndix Use the following procedure to change the units on the temperature controller Temperature Units 1 Ze 10 11 Press the page key until the display reads ACCS list Press the scroll key once The display should read
9. MAN OFITE Dependable Products From People You Trust CAUTION i A yay BE HOT E SS d lt Roller Oven With Programmable Timer and Circulating Fan 4 Roller 172 00 C 115 Volt 172 00 1 C 230 Volt Instruction Manual Updated 01 13 2015 Ver 3 0 OFI Testing Equipment Inc 11302 Steeplecrest Dr Houston Texas 77065 U S A Tele 832 320 7300 Fax 713 880 9886 www ofite com Copyright OFITE 2015 Table of INEFOGUGHIOMN AAA PPP rE Aa Eea ES 2 DO CCITIC ALOIS iaa 3 Con ten ts COMPONENTS us 4 Safely esen e estate ash anota 6 KOEF OVENS AA eames 6 A A 6 Quick Sta Hanna 7 SCUD cantaeaiewadeeesennaeteeaaieee 9 Operati Macnionno 10 TIME nas 12 Malena COn adan 15 APPEND cai 18 lemperature DIS as 18 Warranty and Return Policy cooccoccccnncccnocccoconocononnnnaconaronanonanos 19 OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com Introduction The OFITE Roller Oven U S Patent No 4 677 843 is an effective aid in de termining the effects of temperature and pressure on drilling fluid as it circu lates through the well bore Aging the drilling fluid in pressurized containers effectively demonstrates the thermal effects on drilling fluids in which a base exchange reaction occurs and in determining the stability of mud additives and emulsified fluids such as oil muds Aging is done under conditions that vary from static to dynamic an
10. at approximately 150 F 65 5 C per hour 5 The oven can be preheated while the samples are being tested and pre pared It is recommended that the samples be placed in the OFITE Aging Cells for the oven tests However the cells for the High Temperature High Pressure HT HP Filter Press may also be used Refer to the Aging Cell instruction manuals to determine the ap propriate fluid volume for your test conditions Fluid will expand as Important temperature increases so expansion space must be allowed If the aging cells are going to be rolled during a test install o rings on the outer perimeter on the top and bottom of the cells Failure to do so can damage the rollers in the oven Teflon 175 46 and Buna Important N 175 54 o rings are available For tests above 300 F 148 9 C use Viton o rings MOTOR INSTRUMENT MOTOR HEATER HEAT de MM EN oe ee Hae ES gt OFF OFF OFI TESTING EQUIPMENT OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 10 Fuse for Motor Fuse for Heater Fuse for 5 Amp 115 Volt 10 Amp Temp Controller 2 Amp 230 Volt 115 230 Volt 1 2 Amp 115 230 Volt OTOR INSTRUMENT Rollers Indicator Heat Indicator Lamp White Lamp Red IN AIN FR Motor Switch w e p C Heat Switch i OFF OFI TESTING EQUIPMENT Control Panel If for some reason the temperature controller fails the thermostat will cut power to
11. d from ambient to highly elevated temperatures Many mud constituents degrade slowly at high temperatures Such degrada tion occurs while circulating but it is more severe when the mud is left in the lower part of the hole when making a trip When running laboratory tests aging temperatures are often selected to be near the anticipated circulating or bottom hole temperatures and pressures and aging cells are typically rolled in an oven for at least 16 hours Routine laboratory analysis using roller ovens would include a Simulate chemical reactions taking place in freshly prepared muds b Determine the time it takes reactions to reach equilibrium under tem perature and pressure c Determine the Viscosity of the fluid prior to aging and after d Determine filtration control properties prior to aging and after e Determine the stability of drilling fluid additives and drilling fluids such as oil muds f Perform corrosion analysis The 4 roller oven can hold six 260 mL Aging Cells or three 500 mL Aging Cells while the 5 roller oven can hold twelve 260 mL Aging Cells or eight 500 mL Aging Cells These are both ideal for laboratory use OFITE rollers are variable speed controlled and constructed of stainless steel for longer life and a cleaner environment inside the oven Glass impregnated Teflon roller bearings extend the life of the rollers and allow for longer maintenance free service All models feature a digital temperature c
12. from 230V to 115V To accomplish this uN Disconnect the unit from the power source before opening the unit casing mportant a Remove the top panel b Remove the existing plug receptacle and replace it with the new one For 115V use part 165 47 For 230V use part 164 30 c Locate the two voltage conversion switches on the circuit board refer to the photo below Switch both of these switches to the appropri ate voltage switch them both to the right for 115V and to the left for 230V d Re install the top panel Voltage Speed Control Conversion Knob Switch AMO Bl 3NDWOL OE NM SKA TI EY COC SNE ero EY y 0 ood lt S 14 ost Voltage Conversion Switch OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 15 4 The oven motor speed is preset to 25 RPM To change the speed a Open the unit casing as described above and turn the speed control knob clockwise to increase counterclockwise to decrease b Mark one of the rollers Point a handheld tachometer at the marked roller c Turn the speed control knob until the desired speed is reached 5 OFITE Roller Ovens are fused to protect the driving motor heaters fan and the controller The light in the fuse holder will glow when the fuse burns out The fuse holders are located above the motor and heat switches on the control panel a The one on the left is for the motor 5 amps for 11
13. hain 6 172 08 Bearing for Roller Shafts Glass Impregnated Tefon 8 d Spare parts listings are intended to be used as a reference for future pur chases Everyone s consumable requirements will be different and replace ment quantities needed will depend upon the number of test performed on a Note daily and or weekly basis OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 5 S f t Always wear heat resistant gloves and other suitable protection whenever afety ais working with hot roller ovens and Aging Cells Roller Ovens a Installing Aging Cells inside a hot oven b Removing Aging Cells from a hot oven Always wear eye protection when working with Roller Ovens Be careful to not open a hot oven with your face directly in front of the newly opened door During operation the outside of the Roller Oven can get very hot especially the door area and may cause burns if carelessly touched by unwary personnel The circulating fan inside the oven can be very dangerous if adding or remov ing Aging Cells when the blades are turning To prevent injury always turn the Heat switch on the Control Panel Off when loading or unloading cells OFITE ships all Roller Ovens with a covered back to protect against get ting clothing caught in the rotating chains and sprockets This cover should remain in place at all times except when working on the chains or sprocke
14. onnected even when tests are not being conducted so the timer will continue to keep time Timer Control Panel Temperature Controller OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com Opera tion 1 Make sure the oven is connected to a power supply Refer to page 12 for instructions on operating the timer To run a test without a timer pro gram set the OUT1 switch to ON on the timer 2 To turn on the rollers flip the Motor power switch to the On position The white indicator light will come on and the rollers will start turning 3 To turn on the heaters flip the Heat power switch to the On position on the Control Panel The heaters and the red indicator light will come on The red indicator light will pulsate on and off as the temperature controller maintains the desired heat The indicator light will pulsate on and off as the temperature controller maintains the desired heat The circulating fan will automatically turn on when the Heat switch is on The fan blades can be dangerous when the fan is on To Important prevent injury always turn the Heat switch off when loading and unloading cells 4 The upper register on the temperature controller will display the current temperature while the lower register will show the current setpoint Use the up and down arrow to adjust the temperature setpoint The temperature will rise
15. ontroller that can be read directly from outside the oven The temperature is controlled by an electronic solid state thermostat and operates between 100 F and 450 F 38 C 232 2 C The 4 and 5 roller ovens include a seven day programmable timer as stan dard equipment The timer may be preset to automatically start and stop the heaters allowing unattended operation A circulating fan is included on all models which greatly improves air circulation within the oven providing more stable consistent and reliable uniform heating The Redundant Heat Control is available on select models and is a safety feature for the heaters in the event one or more over heat Power to the heaters will be shut down if the oven temperature exceeds a set maximum temperature The aging process due to the length of time required for com pletion of the test is seldom monitored so a heater failure may be serious OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 2 The OFITE Roller Ovens are designed to provide heating and rolling func tionality simultaneously or independently Therefore they can be put to many practical uses for instance 1 Heating Mode Only Drying Oven Aging Oven Baking Oven 2 Rolling Mode Only Ball Mill Roller To make homogenous mixtures of liquids To make homogenous mixtures of powders To agitate chemicals into solutions To de aerate liquids Specifica
16. r Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 13 To clear All programmed settings Ts 2 Open the bottom panel and Insert a pointed object into the RESET hole Then press and hold the 1h CLEAR button for 3 seconds 8 Precautions Note 1 The Timer is not waterproof or oil resistant Keep liquids away from the surface of the display Do not use organic solvents such as paint thinner or Benzene strong Alkaline or strong acids as cleaners as they will damage the external finish None of the timer components are user replaceable including the bat tery which backs up the clock and setup functions Supply voltage range 100 to 240 VAC 50 60 Hz Internal elements may be destroyed if a voltage outside the range is applied Only one of the two channels are utilized Season switching cyclic operation and non operating day Holiday settings are non functional as the timer may be programmed daily for such functions OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 14 Maintenance 1 Every 90 days put a small amount of grease on the chain and sprockets 2 Do not lubricate the Teflon roller bearings 3 Your OFITE Roller Oven has been preset at the factory to operate at either 115V 172 00 173 00 or 230V 172 00 1 173 00 1 However this product is designed to be easily converted from 115V to 230V or
17. s are subject to the twelve 12 month limited warranty Returns and potential warranty repairs require a Return Material Authorization RMA number An RMA form is available from your sales or service representative Please ship all equipment with the RMA number for returns or warranty repairs to the following address OFI Testing Equipment Inc Attn Repair Department 11302 Steeplecrest Dr Houston TX 77065 USA OFITE also offers competitive service contracts for repairing and or maintaining your lab equipment in cluding equipment from other manufacturers For more information about our technical support and repair services please contact techservice ofite com OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 19
18. t any time prior to twelve 12 months from the date of invoice the products or any part thereof do not conform to these warranties or to the specifications applicable thereto and OFITE is so notified in writing upon discovery OFITE shall promptly repair or replace the defective products Notwithstanding the fore going OFITE s warranty obligations shall not extend to any use by the buyer of the products in conditions more severe than OFITE s recommendations nor to any defects which were visually observable by the buyer but which are not promptly brought to OFITE s attention In the event that the buyer has purchased installation and commissioning services on applicable products the above warranty shall extend for an additional period of twelve 12 months from the date of the original warranty expiration for such products In the event that OFITE is requested to provide customized research and development for the buyer OFITE shall use its best efforts but makes no guarantees to the buyer that any products will be provided OFITE makes no other warranties or guarantees to the buyer either express or implied and the warranties provided in this clause shall be exclusive of any other warranties including ANY IMPLIED OR STATUTORY WARRANTIES OF FITNESS FOR PURPOSE MERCHANTABILITY AND OTHER STATUTORY REM EDIES WHICH ARE WAIVED This limited warranty does not cover any losses or damages that occur as a result of Improper installation
19. tions All OFITE Roller Ovens conform to the American Petroleum Institute s API Recommended Practice RP 131 The oven is capable of maintaining a tem perature of 150 F 5 F 65 C 3 C as specified in RP 131 Temperature Range 100 450 F 38 232 2 C Digital Temperature Controller 25 RPM Motor Programmable Timer Material Cabinet 303 Stainless Steel Rollers 304 Stainless Steel 4 Roller Oven 350 Watt Heater Qty 2 Capacity 260 mL Aging Cells 6 500 mL Aging Cells 3 Size 26 75 x 22 x 26 70 x 55 9 x 66 cm Weight 141 lb 64 kg Crated Size 35 x 29 x 36 89 x 84 x 91 cm Crated Weight 239 lb 108 4 kg OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320 7300 Fax 713 880 9886 www ofite com 3 All Ovens Comp onents 165 14 8 Type J Thermocouple 7 x 6 165 14 10 Fuse 1 Amp Qty 5 165 45 Neon Lamp Red 165 45 1 Neon Lamp Clear 170 05 Thermostat 50 500 F 10 260 C 172 01 Fuse Y Amp for Temperature Controller Box of 5 172 02 2 Chain 2 Feet 172 02 4 Chain 1 Foot 172 03 Sprocket Y Bore Qty 7 172 04 Connecting Link for Chain Qty 3 172 08 Bearing for Roller Shafts Qty 8 172 09 Fuse 10 Amp Box of 5 172 11 1 Temperature Controller 172 13 Fuse Light Holder 172 14 On Off Toggle Switch 172 15 1 Omron Programmable Timer 172 22 Heater 350 Waitt Qty 2 172 24 Solid State Relay 240V 25A 172
20. ts For ovens where the rear cover is missing or has been misplaced then the back of the oven should face closely to a wall Disconnect all power cords when performing maintenance or replacing a fuse Be careful when working around the latch on the door especially the knob and latch Fingers can get caught in the latch resulting in a painful injury The corners of the oven may cause injury if impacted directly Be especially careful when working around the top stainless steel motor housing as sharp corners may cause cuts during cleaning Ovens should always be used in a ground circuit Make sure the electrical source has at least 8 Amps of capacity Safet Aging Cells can be very dangerous if handled improperly Elevated tempera y ture and pressure within the cell can cause the contents to be released with Aging Cells explosive force Always allow the cell to cool to ambient temperature before opening Always point the cell away from people and equipment when depressurizing by opening the valve stems Do not overfill the cell Refer to the instruction manual for Aging Cells 175 25 4175 30 175 50 to determine the appropriate fluid volume for the test conditions Periodically check the inside of Aging Cells for stress or pit corrosion Oper ating cells in high or low pH concentrations or with concentrated saline solu tions Chlorides will promote corrosion OFITE 11302 Steeplecrest Dr Houston TX 77065 USA Tel 832 320
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