Home

INDUSTRIAL OVEN

1. Do not adjust any mechanical components or any electrical components except as directed in this manual Do not modify any component on this unit Use only original equipment manufactured OEM parts as replacement parts Modifications to any component or the use of a non OEM replacement part could cause damage to your equipment personal injury or death Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 7 16 17 18 19 BLUE M Do not overload the floor of the chamber workspace or load the unit unevenly Do not exceed the temperature rating of your chamber Human exposure to temperature extremes can cause injury Do not open oven doors until oven temperature drops below 200 F 93 C when applicable Take appropriate precautions before Opening oven doors and upon handling any chamber contents Always cool the oven down below 167 F 75 C before shutting it down Otherwise damage to the circulation motor shaft bearings will result INTERNATIONAL WARNING SAFETY SYMBOL DEFINITIONS Obey all DANGER WARNING and CAUTION labels shown in the manual and mounted on the equipment Do not remove any labels mounted on the equipment WARNING OF HAZARDOUS AREA WARNING OF DANGEROUS ELECTRIC VOLTAGE WARNING OF HOT SURFACE 0 gt ee EARTH GROUND PROTECTIVE CONDUCTOR TERMINAL Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 8
2. Intermatic Grasslin FM1D Series 24Hr 7 Day Qty 2 Installation amp Programming Chart Recorder Manual Oxygen Analyzer Transmitter Manual Alpha Omega Note Various other vendor product information sheets may also be provided which contain important operation and maintenance instructions Their inclusion is subject to vendor availability Note Due to page volume or vendor availability some manuals may only be included as an electronic copy on a CD Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 13 BLUE M 5 0 INSTALLATION INSTRUCTIONS Read this section completely before attempting to install or operate the equipment 5 1 Delivery and Uncrating of Unit Inspect equipment and shipping crate immediately upon receipt If any damage is apparent you should discuss it with the trucking delivery person and contact the transportation company immediately Make notes of any damage on the Bill Of Lading Retain all shipping materials for inspection Any claims for damage must start at the receiving point Check packing slip carefully and make sure all materials have been received as indicated on the packing ticket Unless otherwise noted YOUR ORDER HAS BEEN SHIPPED COMPLETE AN Chambers and any remote machinery skids or control cabinets should be handled and transported in an upright position They must never be carried on their back front or any side Important Due to the vibration incurred during sh
3. BLUE M 3 0 PRODUCT SPECIFICATIONS amp OVERVIEW 3 1 Application amp Specifications This manual applies to the Blue M Model 146 Series Industrial Ovens which are designed in three distinct types and in a wide range of sizes They serve a very diverse number of process applications An electric heating system is used with a high volume air circulation system to provide maximum temperature uniformity Model Type Model No Workspace Temp Rating Standard Models Model DC DCW 1 6 to 24 Ft 15 above ambient to 350 C Inert Gas Models Model DCI 1 6 to 24 Ft 15 above ambient to 350 C Clean Room Models Model DCC 1 2 to 21 6 Ft 15 above ambient to 250 C Standard DC Models are the building block to the 146 Series with a proven high quality design and simple operation Model DCW ovens are identical to the Model DC except that they incorporate a welded and sealed liner which creates an impervious barrier between the process chamber and the insulation material Inert Gas Model DCI ovens are utilized for processing materials in an inert atmosphere using a gas injection system An inert atmosphere prevents oxidation from occurring on the product and eliminates the capability of oven air from supporting a flame Clean Room Model DCC ovens employ a HEPA or ULPA filtration system to maintain Class 100 conditions in the oven workspace An inert atmosphere is also maintained in the Model DCC Model DCI and DCC ovens ar
4. Blower Wheel Cooling Coil Inert Gas Inlet Inert Gas Inlet Flowmeter INERT GAS MODEL AIR FLOW CLEAN ROOM MODEL AIR FLOW Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 43 BLUE M 6 5 HEPA amp ULPA Filtration for Model DCC Either HEPA filtration or ULPA filtration is employed in the Model DCC to maintain clean room specifications The filter is installed behind the right side duct wall Discharge air from the conditioning plenum enters the filter before flowing out into the workspace e HEPA High Efficiency Particulate Air filters are rated 99 97 efficient at 0 3 microns e ULPA Ultra Low Particulate Air filters are rated 99 99 efficient at 0 12 microns A stainless steel Clean Room Insert frame is installed in the oven which houses the HEPA and ULPA filters The insert encompasses the workspace of the oven with the filter mount on the right wall and return air flow perforations on the left wall The insert floor covers the bottom conditioning plenum Filters can be changed without removing the insert To access the conditioning plenum for maintenance purposes the insert must be removed It can also be removed for cleaning Model DCC206 pt TOLLAS LURER ULPA FILTER Screen amp Shelf Slides Installed MODEL DCC206 CLEAN ROOM INSERT MODEL DCC206 INSERT INSTALLED Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 44 BLUE M Model DCC1406
5. For Models DC DCW this air will mix with fresh ambient intake air when the intake damper is opened The air is forced through the heaters and the water cooled cooling coil when employed and is discharged up into the right side duct wall Conditioned air enters the workspace through either pierced or semi pierced openings over the entire height and depth of the workspace The air flows in a horizontal pattern from right to left to condition the product and exits through pierced openings in the left side duct wall Process air returns to the conditioning plenum and the cycle continues For Models DC DCW a portion of process air can be exhausted out through the exhaust port when the exhaust damper is opened Model DCW1406 JUNE Thermocouples tkd I Villiers i IV AN wt j i he Un AT NN ily il Lm Ape TITT wth L Access Port TLU Mil ED a MILL TUU MULL I 0g i qt a 3 iy i I i 1 i Vi n KES er a WORKSPACE AIRFLOW MODEL DCW1406 Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 36 Thermocouples ae wil i Mi di THA HELLE UH 1 my 7 BLUE M Model DC336 Access Port at Hi x ut m J I A WORKSPACE AIRFLOW MODEL DC336 Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 37 BLUE M Model DC206 Access Port te r 3 a i 4 i I s
6. Thermocouple Ports Access Port 2 Air Press Sense Port Power Supply Machinery Junction Box Compartment MODEL DC206 REAR Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 15 BLUE M Models DC amp DCW ABiuemM Access Port Door Switch ee x Main Circuit Breaker MODEL DC1406 Model DCW ovens incorporate a fully welded and sealed liner This means that all port joints are welded around the entire perimeter ge Note Weld 360 Around Port ACCESS PORT Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 16 BLUE M Models DC amp DCW Chart Recorder gt Z A 6 Exhaust Port Thermocouple Ports Intake Port Air Pressure Sense Port Power Supply Junction Box Differential Air Pressure Switch Adjustment Port Machinery va Compartment Panel Removed MODEL DC1406 REAR Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 17 BLUE M 5 3 2 Model DCI aan Chamber Pressure Relief Valve Inert Gas Control System amp Supply gt Connection Differential Air Pressure Switch 4 Adjustment Port MODEL DCI1256 Door Switch Cooling Coil Water Supply Connection Oven Mounted on Stand Access Door MODEL DC1256 with STAND Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 18
7. Grasslin Model FM1D A Grasslin Model Digi 20E Digital Timer may be provided which features 24 hour or 7 day programming to start your process cycle Up to 20 programs can be stored with up to 10 ON and 10 OFF Events per day The timer also features a manual override 24 Hr 7 Day Digital Timer Grasslin FM1D Optional A Grasslin Model FM1D Digital Timer may be provided which features 24 hour or 7 day programming to start your process cycle Up to 20 programs can be stored with up to 10 ON and 10 OFF Events per day The timer also features a manual override Chart Recorder Optional A chart recorder may be provided to record temperature versus time Recorders are normally a circular type with optional digital displays that indicate the actual temperature being recorded A Type J thermocouple is used for temperature measurement Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 11 BLUE M Oxygen Analyzer Transmitter Optional An oxygen analyzer or transmitter may be employed in the Model DCC and DCI ovens Percent oxygen instruments are used to measure oxygen as a percent of atmospheric volume within the chamber Trace oxygen instruments are used to measure trace oxygen in ppm of atmospheric volume within the chamber Analyzers are complete programmable type instruments with digital process displays Transmitters transmit a 4 20 ma output signal to the main temperature controller to indicate oxygen le
8. M AN Do not connect oven directly to a compressed gas cylinder or any other high pressure gas source AN Use only commercially prepared and bottled gases A Do not exceed 70 PSIG gas inlet pressure Important Refer to the Inert Gas Control System section for information on setting the flow rates for your chamber Note Gas Control Housing Is Removed Gas Supply Connection INERT GAS SUPPLY CONNECTION Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 24 BLUE M 5 7 Inert Gas Supply Connection for Model DCC An inert gas supply is required for process operation of the Model DCC The selection of the approved gases listed below is primarily dependant upon compatibility with the materials being processed listed below Operator injury and equipment damage may result if these instructions are not 1 Warning This oven is designed for use with only the non explosive non flammable inert gases followed The following inert gases are approved for the Models DCI and DCC Argon Carbon Dioxide Helium Nitrogen The inlet connection is located at the rear right side of the oven A gas Flowmeter is installed at the front of the oven with a Run Flow Adjustment needle valve AN Caution A manually operated shut off valve and a reliable pressure regulator should be installed between your inert gas supply source and the oven connection The gas supply should be regulated by the customer in the range
9. Models DC DCW DCI DCC Page 42 BLUE M 6 4 Airflow Description for Models DCI and DCC In the Model DCI and DCC ovens inert gas is injected into the conditioning plenum below the inlet of the blower wheel The gas mixes with circulating process air and is forced through the heaters and the water cooled cooling coil and is discharged up into the right side duct wall Conditioned air enters the workspace through either pierced or semi pierced openings over the entire height and depth of the workspace The air flows in a horizontal pattern from right to left to condition the product and exits through pierced openings in the left side duct wall Process air returns to the conditioning plenum and the cycle continues In the Model DCC only the air will pass through a HEPA ULPA filter before entering the workspace Chamber Venting To insure than an overpressure condition does not develop within the chamber a vent port is installed in the chamber ceiling For the Model DCI a Pressure Relief Valve PRV is installed on the vent port atop the chamber PRV will automatically open when chamber pressure reaches 0 5 PSI Slight chamber pressures up to 0 5 PSI will not adversely affect the integrity of the oven door seal For the Model DCC a PRV is not installed on the vent port It is left open to vent continuously 6 4 1 Model DCI amp DCC Airflow Diagrams Pressure Relief Valve Vent Port HEPA Filter Gas gt Control Panel
10. Outputs 8 Digital Event Outputs 2 Retransmit Outputs Optional Communications EIA 232 and EIA 485 with Modbus RTU protocol WATLOW F4 Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 55 BLUE M 12 0 OVERTEMPERATURE PROTECTION A Yokogawa 150L Limit Controller OTP is normally used for overtemperature protection This is a 1 16 DIN type controller which is mounted on the main control panel A Type J thermocouple is used for temperature sensing which is placed in the workspace area The high limit is normally set approximately 11 C 20 F higher than the oven temperature setpoint Note Alternate Limit Controllers may be used Their overtemperature protection operation will be very similar Setting the High Limit Setpoint 1 Press the SET ENT key for at least 3 seconds SP will appear in the YOKOGAWA UT150L top display Press the Up Down arrow keys to change the SP value in the bottom display Press the SET ENT key to register this value 2 Press the SET ENT key for at least 3 seconds to return to the normal operating state High Limit Operation During normal operating conditions Control Output contacts are closed to enable the heat contactor When the process temperature value exceeds the High Limit setpoint SP the controllers EXCEEDED and OUT LEDs will illuminate Control Output will open to remove power to the heat contactor The EXCEEDED LED will go out once conditions return to n
11. controller class Heating of the oven is controlled using a time proportioned output of the controller which will trigger one or more Solid State Relays SSR1 SSR2 SSR3 to conduct and provide power to each heater stack bank employed The heating circuitry must first be enabled by the heat enable OTP Contactor Note For the Model DCI heating of the oven can only begin once the initial purge cycle is complete The Heat Enable light on the control panel will then illuminate The purge timer will be reset each time the oven door is opened When the water cooled cooling coil is employed non profiling controllers normally utilize a Cooling Switch on the main control panel to energize and open the Water Cooling solenoid valve to permit water flow through the coil An optional Cooling Event Output can also be used to activate the coil This Event Output is used with all profiling controllers Important If anon profiling controller also includes the Cooling Event Output when in the Control Mode ensure that the Cooling Switch is in the OFF position on the main control panel 11 2 Non Profiling Type Controllers Note For the controllers labeled Blue M or Yokogawa below both models employ the same basic functions The main difference between the two is that the Blue M model contains different OEM features such as key and lamp labeling and or setup and operation features Refer to the controller manual for details Blue M Stat 350
12. from 40 to 70 PSIG maximum The connection is Type 3 8 FPT Make sure the connection is secure Note The size and or SCFH rating of the gas flowmeter will increase with larger ovens Front of Oven Run Flow Adjustment INERT GAS SUPPLY CONNECTION GAS FLOWMETER Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 25 BLUE M You must adhere to the following warnings Warning Suffocation hazard The oven must be located in a well ventilated area Although inert gases are not in themselves toxic they can displace sufficient oxygen in poorly ventilated rooms to cause suffocation or asphyxiation Warning Burn Hazard Avoid contact with cryogenic materials Serious burns from immediate frostbite will result Insulated gloves eye goggles and protective clothing MUST be worn when working with or around these materials Gloves should be loose fitting so they can be quickly discarded in case liquefied gas spills or sprays into them Do not connect oven directly to a compressed gas cylinder or any other high pressure gas source Use only commercially prepared and bottled gases gt gt gt gt e Do not exceed 70 PSIG gas inlet pressure Important Refer to the Inert Gas Control System section for information on setting the flow rates for your chamber Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 26 BLUE M 5 8 Chamber Venting for Models DCI amp DCC An inert atmo
13. or Yokogawa UT350 Temperature control is achieved with the Blue M Model Stat 350 controller The Stat 350 is a single setpoint type 1 4 DIN controller with the following main features Single Channel Automatic Control Only Auto tuning SUPER overshoot suppress function and new SUPER 2 hunting suppress function 1 Input Universal Process Input Type J Thermocouple is used to sense oven temperature 1 Heat Control Output Time Proportioned Up to 2 Contact Inputs Up to 3 Contact Outputs for Alarms Events Support for Light Loader LL100 PC based Parameter Setting Tool Communications RS 485 Modbus YOKOGAWA UT350 Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 53 11 3 Profiling Type Controllers Optional Blue M PRO 350 Controller or Yokogawa UP350 BLUE M The Blue M Model PRO 350 Controller is a profiling type 1 4 DIN controller with the following main features Please note that all features may not be used Single Channel Program Capacity 2 Profiles 10 Segments per Profile Automatic Manual Control 1 Process Input Type J Thermocouple 1 Heat Control Output Time Proportioned Wait Function Blue M PRO 550 Controller or Yokogawa UP550 YOKOGAWA UP350 The Blue M PRO 550 Controller is a profiling type 1 4 DIN controller with the following main features Please note that all features may not be used Single Channel Program Capacity 30 Pr
14. shaft seals for deterioration Inspection Period 6 Months General Electrical Connections N Remove All Power From Chamber Inspect inside the control panel and the machinery compartment for loose electrical connections frayed wires loose components or other potential problems Inspection Period 6 Months Electric Heaters A N Remove All Power From Chamber Inspect the electric heaters inside the chamber conditioning plenum and look for sagging elements broken insulators or other defects Inspection Period 6 Months Pressure Relief Valve Model DCI AN Remove All Power From Chamber Check Pressure Relief Valves on top of the chamber for cleanliness Dirt buildup resulting from process vapors may cause the valves to open at a higher pressure Make sure that the valves open at 0 5 PSIG or lower with a gas flow between 20 and 100 SCFH The chamber pressure must never exceed 1 0 PSIG Inspection Period 6 Months Air Filter Model DCC AN Remove All Power From Chamber Under normal conditions the HEPA or ULPA filter should be changed yearly More frequent intervals may be required for dirtier environments Ensure that the new filter has been burned in prior to installation check with supplier Do not permit the HEPA filter to come in contact with any cleaning solution When cleaning the chamber make sure the filter is adequately covered or removed Inspect all gaskets and replace if necessary Inspection Period 1
15. solenoid valve to maintain a 2 Oxygen level in the chamber Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 50 BLUE M 9 0 ELECTRIC HEATING SYSTEM amp CONTROL Overview Heating of the oven is achieved by recirculating oven air through open air heavy gauge nichrome wire heater elements mounted in the conditioning plenum Each element is configured in a serpentine pattern within a cylindrical stack and supported by ceramic disks The number of heater stacks used varies between one and three depending on oven size and heating requirements The heaters are isolated from the workspace so that no direct radiation can occur IAARAAAAAAAR AE h AA Y AAAS Was UDEN aa N di met TE t mace VENN OG EGNN HEATER STACK Heat Control The heat control circuitry is enabled through the High Limit Output of the Overtemperature Controller OTP A time proportioned type output of the main controller is used to trigger one or more solid state relays to conduct and provide power to the heater s Z p T Ceramic INQ INO ve 2 i N H CI w i Disk with E eg E re Tvil ey Fiberglass V59 L V59 Cun Gasket le Le e AN G9SHAUND S9SHAUND D7 D 7 ww AYY ALVLS ONOS AV734 ALVIS AMOS MA SAN DJI HAD DANZL INANI st 1 Extra Ceramic Disk with Silicon Gaskets and RTV Sealer HEATER RELAYS SSR1 amp SSR2 HEATER CONNECTIONS MODEL DCI Blue M DC 146 Series
16. 0 to 2 0 SCFH 8 4 Series 3000 3510 Trace Oxygen Units The Alpha Omega Series 3000 3510 units measure trace oxygen in ppm of atmosphere volume with the following specifications Measurement Ranges in ppm 0 10 0 50 0 100 0 500 0 1000 0 5 000 0 10 000 specified at time of order Sample Gas pressure Limits 0 1 to 1 0 PSIG Sample Flow Rate 1 0 to 2 0 SCFH 8 5 Analyzer and Transmitter Equipment Differences The Series 2000 Percent Oxygen Analyzer and the Series 3000 Trace Oxygen Analyzer are complete measurement devices They have a keypad for data entry and programming a sensor for Oxygen detection a display to view data and audible and visible alarm programs to alert technicians to process problems The Series 2510 Percent Oxygen Transmitter and the Series 3510 Oxygen Transmitter will convert the voltage generated by the sensor and transmit a 4 20 mA output to the controller MP750 or UP750 Input 2 When oxygen amounts exceed the setpoint value the controller will remove power to the heater elements and activate one or more alarms The controller will also provide the display value in ppm or percent of oxygen present 8 6 Optional Inert Gas Injection Rate Control Injection rates of inert gas into the oven may be controlled This is achieved using a time proportioned output of either the main temperature controller that uses an Oxygen Transmitter or by an Oxygen Analyzer The output would energize and open the Gas Injection
17. A compressed air supply is required for operation of the pneumatic door lock system The supply should be clean and dry and rated 25 to 40 PSIG maximum The connection is made to a port located at the rear of the oven and is Type 1 4 FPT Make sure the connection is secure Pneumatic Door Lock Solenoid SOL1241 COMPRESSED AIR SUPPLY CONNECTION Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 28 BLUE M 5 10 Power Supply Specifications and Connection Standard Ovens Refer to your Parts List or the Serial Tag attached to your unit for the power supply ratings Special Ovens For special oven Model Number xxxxxxxx O N xxxxx the following ratings apply xxx VAC xxA x PH xx HZ Your main power fused disconnect switch should be rated xx Amps Warning Before making the power supply connection to your unit you must perform the following procedure Verify the power supply voltage rating established for your chamber listed above The voltage rating is also found on the serial tag on the side of the oven Note the rated value here 2 Measure and record the intended voltage source Note the measured value here 3 Reference the Line Voltage Min Max Tables below Verify that the power supply voltage source you measured and recorded is within the minimum and maximum allowable operating voltages for your chamber voltage rating If it is not within this operating range do not make the power connec
18. AMPER EXHAUST DAMPER ACUTATOR INTAKE DAMPER ACUTATOR Page 40 BLUE M 6 3 1 One Pass Airflow System To operate with a One Pass Airflow System the air intake and exhaust dampers must be fully opened When the intake damper is fully opened it will totally close off the recirculation path to the conditioning plenum from the left duct wall Fresh ambient air will be drawn into the blower wheel inlet and then heated as it is forced through the heater bank Heated air will be discharged up into the right duct wall and into the workspace It flows horizontally across the workspace to condition the product and exits through the left duct wall Since the recirculation path is blocked by the intake damper 100 of all process air is forced out of the exhaust port No air is recycled This system will permit fast drying times purge process vapors and allow near ambient operation 6 3 2 Full Recirculated Airflow System To operate with a Full Recirculated Airflow System both the intake and exhaust dampers must be fully closed 100 of chamber air will be recirculated This system allows rapid heat up rates and better temperature uniformity than with the One Pass System 6 3 3 One Pass amp Full Recirculation Airflow Diagrams Exhaust Damper Fully Opened Exhaust Damper Fully Closed Intake Damper Fully Opened Intake Damper Fully Closed Blower Wheel Heater ONE PASS AIRFOW FULL RECIRCULATED AIRFLOW I
19. BLUE M 4 Blue m INDUSTRIAL OVEN OPERATION amp MAINTENANCE MANUAL DC 146 SERIES MODEL No DCxxx S N xxxxxxxxxx O N xxxxx TEMPERATURE CONTROLLER Blue M Stat 350 Blue M Pro 350 Blue M Pro 550 Blue M Pro 750 Watlow F4 et SaTPS Yokogawa UT350 Yokogawa UP350 Yokogawa UP550 Yokogawa UP750 O OUO O O O OUO UO Thermal Product Solutions 2821 Old Route 15 New Columbia PA 17856 570 538 7200 Fax 570 538 7380 Rev 04 21 11 Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 1 BLUE M THIS PAGE INTENTIONALLY LEFT BLANK Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 2 TABLE OF CONTENTS SECTION INFORMATION 1 0 COMPANY INFORMATION amp ASSISTANCE 2 0 SAFETY WARNINGS amp SYMBOLS 3 0 PRODUCT SPECIFICATIONS amp OVERVIEW 3 1 Application amp Specifications 3 2 Conditioning Functions 3 3 Equipment and Control Features 3 4 Operating Parameters and Requirements 4 0 DRAWINGS INFORMATION and VENDOR INSTRUCTION LISTINGS 5 0 INSTALLATION INSTRUCTIONS 5 1 Delivery and Uncrating of Unit 9 2 Location and Installation of Unit 5 3 Equipment Access amp Features 5 3 1 Models DC amp DCW 5 3 2 Model DCI 5 33 Model DCC 5 4 Exhaust Connection Models DC amp DCW 5 5 Water Supply Connections for Cooling Coil as applicable 5 6 Inert Gas Supply Connection for Model DCI 5 7 Inert Gas Supply Connection for Model DCC 5 8 Chamber Venting for Mo
20. BLUE M Model DCI Chamber Pressure Thermocouple lt Relief Valve Ports Inert Gas Control System amp Supply Connection Cover Removed Cooling Coil Water irene Supply Connection Sense Pore Chart Recorder Light Tower gt Power Supply Junction Box Mach Compartment Panel Removed Oven Stand MODEL DCI256 REAR with STAND Differential Air Pressure Switch Adjustment Port MODEL DCI336 Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 19 BLUE M 5 3 3 Model DCC enon GE Inert Gas Supply Flowmeter Oven Mounted on Stand T C Ports p Access Door Air Press A pe Sense Ports gt 3 MODEL DCC206 with STAND Cooling Coil gt gt Water Supply Connection gt Diff Air Press Sw Adjust Port Power Supply 3 Junction Box Inert Gas Supply Connection MODEL DCC206 REAR with STAND Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 20 BLUE M 5 4 Exhaust Connection Models DC amp DCW An exhaust port with a quad damper is installed on the left side of the Model DC oven Exhaust port sizes range from 3 to 8 O D depending on oven size An optional motorized damper actuator may be provided For applications requiring protection from contacting hot surfaces of the oven exterior U L a wire mesh exhaust guard is in
21. C Page 39 Standard Air Exhaust Damper The exhaust damper includes a lever attached to the damper shaft You must loosen the wingnut on the shaft assembly to open and close the butterfly damper An indented Open to Shut scale is marked with graduated lines on the assembly Make sure you tighten the wingnut after changing the setting Note The indented marks are for reference only There is no related unit of measure Optional Motorized Air Exhaust Damper The Belimo Model NMB Motorized Damper Actuator may be employed to automatically open and close the air exhaust damper Several methods of control are available Standard units utilized a manual toggle switch on the main control panel Profiling type controllers may use either an Event Output or a 4 20 ma proportioned type control signal Optional Motorized Air Intake Damper The Belimo Model NMB Motorized Damper Actuator may be employed to automatically open and close the air intake damper This device is installed at the rear of the chamber with a special damper connecting rod assembly that attaches to the top flange of the damper blade Several methods of control are available Standard units utilized a manual toggle switch on the main control panel Profiling type controllers may use either an Event Output or a 4 20 ma proportioned type control signal Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC BLUE M ADJUSTABLE AIR EXHAUST D
22. Cooling with Water Cooled Coil Optional TEMPERATURE CONTROLLERS Temperature Control Non Profiling Type Controllers Profiling Type Controllers Optional OVERTEMPERATURE PROTECTION Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC BLUE M 33 35 36 38 39 40 41 41 41 42 43 43 44 45 46 47 48 49 49 50 50 50 50 51 52 52 53 53 54 55 56 Page 4 OPTIONAL EQUIPMENT and FEATURES 13 0 14 0 15 0 16 0 17 0 18 0 19 0 20 0 PROCESS TIMER EAGLE SIGNAL B856 Optional 24 HR 7 DAY DIGITAL TIMER GRASSLIN DIGI 20E Optional 24 HR 7 DAY DIGITAL TIMER GRASSLIN FM1D Optional DOOR LIMIT SWITCH OPERATION Optional ELECTRO MECHANICAL DOOR LOCK OPERATION Optional PNEUMATIC DOOR LOCK OPERATION LIGHT TOWER OPERATION CHART RECORDER Optional CHAMBER OPERATION amp MAINTENANCE 21 0 22 0 22 1 22 2 SEQUENCE of OPERATION PREVENTATIVE MAINTENANCE Maintenance Checks Procedures Preventative Maintenance Schedule Log SUPPLEMENTAL INSTRUCTIONS Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC BLUE M 57 58 59 60 60 61 61 62 63 67 68 68 70 71 Page 5 BLUE M 1 0 COMPANY INFORMATION amp ASSISTANCE Congratulations on purchasing a chamber from one of the fine divisions of TPS Thermal Product Solutions You probably already know us as Lunaire Limited We ve changed our name and expanded
23. Industrial Ovens Models DC DCW DCI DCC Page 51 BLUE M 10 0 COOLING SYSTEMS amp CONTROL 10 1 Cooling with Ambient Air Model DC DCW Cooling in Models DC and DCW can be achieved by opening the air intake and exhaust dampers with the heating system turned off Fresh ambient air will mix with circulating process air to cool the product With both dampers fully open and the heating system turned off the oven can be cooled from your process operating temperature to around 15 above ambient temperature Maintaining temperatures around ambient is difficult due to heat generated by air friction with the circulation blower wheel The optional Belimo Model NMB Motorized Damper Actuator may be employed to automatically open and close the air intake and or exhaust damper s The air intake actuator is installed at the rear of the chamber with a special damper connecting rod assembly that attaches to the top flange of the damper blade The air exhaust actuator connects to the exhaust damper on the side of the exhaust port Either a manual switch a controller Event Output or a controller 4 20 ma proportioned type signal is used to activate the actuator motor s 10 2 Cooling with Water Cooled Coil Optional For enhanced cooling or when the chamber is sealed as in the Model DCI and Model DCC an aluminum finned water cooled coil is used The coil is located in the conditioning plenum Circulating process air is cooled as it flows throug
24. Purge light will turn off Adjust the Run Flow Adjustment Valve on the Gas Control Housing according to the Run Flow Rate in the Gas Flow Rate Table of Section 7 1 for your oven This lower flow rate will then be maintained during the heating process and the cool down process The heating circuitry will then be enabled and the Heat Enable light will illuminate The Temperature Controller s heat control output will start cycling power to the heaters For all ovens with a profiling type controller When the heating soak cycle is completed Event No 2 of the profiling controller will close to energize the Cooling Water solenoid valve when employed Cooling water will now flow into the water cooling coil to cool oven The Cooling light will illuminate When your process cycle is complete open the oven door to unload your product The circulation blower will stop if the door switch is employed You may start another cycle Important Notes A Warning Do not open oven doors until oven temperature drops below 200 F 93 C when applicable Human exposure to temperature extremes can cause injury Take appropriate precautions when handling product Always cool the oven down below 167 F 75 C before shutting it down Otherwise damage to the circulation motor shaft bearings will result MAIN SWITCH MAIN CIRCUIT BREAKER Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 64 BLUE M CONTROL PANELS O
25. TEPAT peoe 90920000 Screen amp Shelf Slides Installed MODEL DCC1406 CLEAN ROOM INSERT INSERT with HEPA INSTALLED INSIDE VIEW REMOVED with HEPA INSTALLED Model DCC336 Screen amp Shelf Slides Installed i MODEL DCC336 with HEPA FILTER DCC336 with SCREEN SHELF HOLDER Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 45 BLUE M 7 0 INERT GAS CONTROL SYSTEMS 7 1 Model DCI Gas Control System An inert gas sytem is used to maintain an inert atmosphere in the oven at a slight positive pressure during the entire process cycle The oven is initially purged of atmospheric air for a specific time period before heating is allowed to begin A constant flow of inert gas is then maintained during the heating and cooling cycles Inert gas flow and chamber pressure are monitored and regulated with various instruments on the front control panel The gas is injected into the chamber through a small port located beneath the blower wheel in the conditioning plenum The following inert gases are approved for this oven e Argon e Carbon Dioxide e Helium e Nitrogen AN Warning This oven is designed for use with only non explosive non flammable inert gases Operator injury and equipment damage may result if all safety precautions are not followed Initial Chamber Purge Cycle Before the process cycle is allowed to begin a chamber purge cycle is initiated which lasts for a set amount of time de
26. Time Changeover Manual A program consists of the following 1 An ON or OFF command 2 Time of day Hour and Minute 3 Single day or multiple days GRASSLIN FM1D TIMER Controller Configuration The pre programmed controller configuration for your chamber is documented in the Test Report which is located in the Supplemental Instructions Section Refer to the controller s user manual for more information Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 59 BLUE M 16 0 DOOR LIMIT SWITCH OPERATION Optional A Door Limit Switch LS may be installed to detect for proper closure of the oven door The switch acts as a digital input to the main controller and must be activated in order to start a heat process cycle If the door is inadvertently opened during the process cycle it will cause the heating system to shut down and the circulation blower to turn off This will prevent a force of hot air from being expelled outward to the operator DOOR LIMIT SWITCH 17 0 ELECTRO MECHANICAL DOOR LOCK OPERATION Optional An Electro mechanical Door Lock may be provided to prevent the oven door from being opened after the process cycle has begun An Event Output from a profiling type controller is used to lock the door with the start of the process This Event Output will energize the Unit On Off Control Relay CR1121 Normally open contacts of CR1121 will close to energize the Door Lock solenoid SOL1241 w
27. VEN DISABLED TEMPERATURE CONTROL TIMER START ER feer RESET COOLING CHAMBER INTERIOR LIGHT POWER OFF ON END OF PROCESS amp ALARM SILENCE SPX BLUE M COOLING OFF ON ALARM SILENCE END OF PROCESS PROCESS TIMER PANEL DC1406 with STAT 350 CONTROLLER TEMPERATURE CONTROL INTERIOR LIGHT OFF ON SPX BLUE M DCI336 with PRO 550 CONTROLLER Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 65 BLUE M SLIDE TRAYS fl Heater SSRs MODEL DCC336 WF4 SLIDE TRAY MODEL DCI256 PRO 550 SLIDE TRAY Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 66 BLUE M Pr av Ju divis Os aviu tiris Ones saropAra ons re y Fade no st Po S alt pe MODEL DC206 STAT 350 SLIDE TRAY Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 67 BLUE M 22 0 PREVENTATIVE MAINTENANCE amp SERVICE Warning Only qualified maintenance and electrical personnel should be allowed to perform any maintenance or repair work Warning Turn the main power disconnect switch on the front of the oven to the OFF position and proceed with your company s Lock Out Tag Out procedure before servicing or cleaning The oven s main power disconnect switch is a lockable type Frequency of preventative maintenance operations depends upon your particular process application and frequency of use Because of this a hard and fast s
28. Year Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 69 BLUE M Main Controller Calibration The main temperature controller should be checked for temperature indicating accuracy and for the proper activation of limit or alarm outputs when provided Please reference the controller user manual for more information Inspection Period 1 Year Limit Controller Alarm Circuitry The Temperature Limit Controller should be checked for indicating accuracy and for proper activation of limit or alarm outputs A quick test is as follows 1 Set the OTP control at a temperature lower than the Operating temperature 2 Run the unit in the normal operation mode If the OTP circuit is performing properly the unit should shut down when the chamber temperature exceeds the OTP setpoint temperature If the unit fails to shutdown reduce the oven temperature to ambient and diagnose the OTP circuit 3 Press the OTP reset switch to and restore the unit to operation The OTP controller should be set to 11 C higher than the units normal operating temperature Please reference the controller user manual for more information Inspection Period 6 Months Electrical Supply Voltage Measure the power supply voltage to your oven and verify that it is within the 10 tolerance established for the nameplate rating of your oven Inspection Period 6 Months Cleaning Important NEVER use a cleaning solution that contains chlor
29. ately energize and open the Gas Purge solenoid valve to Le m n ill start the purge The circulation blower will start and the heating system will be disabled Note The purge timer will reset each time the door is opened A pressure relief valve PRV is installed to insure that an overpressure condition does not develop while maintaining a slight positive chamber pressure PRV is designed to open at 0 5 PSIG A chamber pressure gauge is installed on the gas control panel EAGEL SIGNAL B866 511 N WARNING NEVER ALLOW CHAMBER PRESSURE TO EXCEED 1 0 PSIG Reduce the flow rate immediately if this occurs Check the PRV valve for cleanliness if problem persists Run Heat Process Cycle After the purge cycle has been completed the purge timer output will open to deenergize and close the Gas Purge solenoid valve The inert gas supply will now flow into the chamber through the Run Flow Adjustment valve on the gas control panel Make sure you adjust this valve to the corresponding Run Flow Rate for your chamber listed in the Gas Flow Rate Table This flow level maintains a slightly positive pressure in the chamber during the heat process cycle One or two ounces per square inch 2 or 3 inches of water column should be sufficient The heating circuitry will now be enabled to start the heat process cycle Important Make sure the Run Flow Rate is maintained during the entire Run Heat Process Cycle Note The pressure indicated on the ga
30. chedule of maintenance operations is difficult to present A set of guidelines suitable for an average use oven might not be sufficient for an oven with a high frequency use Therefore the preventative maintenance measures given here are offered as a guide allowing you to arrange your own program A Preventative Maintenance Schedule Log chart is provided at the end of this section The suggested inspection service dates given are for average use 22 1 Maintenance Checks Procedures Door Gasket Inspect your door gasket s for wear cracks tears etc Inspection Period 3 Months Door Sealing Quality Check that the door seals evenly around its perimeter to negate heat loss Adjust door latches if necessary Inspection Period 3 Months Chamber Interior Cleaning AN Remove All Power From Chamber Clean the interior of the chamber with a damp cloth and mild detergent When completed rinse the interior thoroughly with a damp cloth Inspection Period 3 Months Conditioner Blower Wheel uN Remove All Power From Chamber Inspect and clean the conditioner blower wheel in the conditioning plenum Make sure it spins freely and is tight on its shaft Inspection Period 6 Months Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 68 BLUE M Motors Motor Shaft Seals AN Remove All Power From Chamber Note The motors are permanently sealed ball bearing types and require no lubrication Check motor
31. component should fail it is recommended that only OEM approved parts be used as replacements Please contact the Parts Department for component replacement or repair Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 6 BLUE M 20 SAFETY WARNINGS amp SYMBOLS AN A You must follow these and all Warning statements listed throughout the manual 1 10 11 12 13 14 15 Read this entire Operation Manual as well as the vendor manuals and cut sheets provided before operating this equipment Failure to adhere to any Safety Warning or failure to follow the proper operating procedures listed throughout any of the information provided could cause damage to your equipment personal injury or death Obey all CAUTION DANGER and WARNING signs labels mounted on the equipment Do not remove any of these signs labels Do not use this equipment in any manner not specified in this manual Improper use may impair the safety features employed and will void your warranty This equipment is NOT designed for use with volatile or explosive materials unless specifically stated in your purchase order Loading of such materials may result in explosion or fire Operators and service personnel must be familiar with the location and function of all controls and the inherent dangers of the equipment before operating or maintaining it Only qualified service personnel should ever be permitted t
32. dels DCI amp DCC 5 9 Compressed Air Supply Connection for Pneumatic Door Lock Optional 5 10 Power Supply Specifications and Connection 5 11 Application of Power Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC BLUE M Page 7 8 10 10 12 12 14 14 15 17 18 19 20 21 22 23 24 25 26 21 28 29 31 32 Page 3 SYSTEMS and CONTROL 6 0 6 1 6 2 6 3 6 3 1 6 3 2 6 3 3 6 3 4 6 4 6 4 1 6 5 7 0 7 1 7 2 8 0 8 1 8 2 8 3 8 4 8 5 8 6 9 0 10 0 10 1 10 2 11 0 11 1 11 2 11 3 12 0 AIR CIRCULATION SYSTEM System Overview Basic Workspace Airflow Description Adjustment of Air Intake amp Exhaust Dampers for Model DC DCW One Pass Airflow System Full Recirculated Airflow System One Pass amp Full Recirculated Airflow Diagrams Adjustment of ASTM Air Intake amp Exhaust Dampers Airflow Description for Models DCI and DCC Model DCI amp DCC Airflow Diagrams HEPA amp ULPA Filtration for Model DCC INERT GAS CONTROL SYSTEMS Model DCI Gas Control System Model DCC Gas Control System OXYGEN ANALYZER TRANSMITTER Optional Overview Equipment Operation Series 2000 2510 Percent Oxygen Units Series 3000 3510 Trace Oxygen Units Analyzer and Transmitter Equipment Differences Optional Inert Gas Injection Rate Control ELECTRIC HEATING SYSTEM amp CONTROL COOLING SYSTEMS amp CONTROL Cooling with Ambient Air Model DC DCW
33. e constructed with an interior that is welded vapor tight Special seals are installed on the door blower shaft and heater element terminals to ensure the sealed integrity Workspace Capacity A size code is given in the model number to indicate workspace capacity Refer to the chart below Important For custom ovens with sizes not listed in this chart WORKSPACE CAPACITY SIZE CODE CHART the workspace will be given below MODEL DCxxx WHERE xxx SIZE CODE For S N xxxxxxxxxx DIN XxXxXxx Model DCxxx the workspace SECU Gee nee Capacity is xxx cubic feet 146 1 6 206 4 2 256 5 8 136 11 0 336 11 0 1406 24 0 1506 20 0 Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 9 BLUE M 3 2 Conditioning Functions Heating of the oven is achieved by recirculating oven air through open air nichrome wire heater elements mounted in the conditioning plenum The plenum is located beneath the chamber workspace and is isolated to prevent direct heat radiation Cooling in the Model DC oven is achieved by adjusting dampers with the intake and exhaust ports which are normally located on the left side of the oven Enhanced cooling is achieved by recirculating oven air through a water cooled coil mounted in the conditioning plenum This feature is optional in the Model DC and standard in the Models DCI and DCC Air flow is generated by a centrifugal type blower wheel mounted in the conditioning plenum The b
34. e information Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 58 BLUE M 15 0 24HR 7 DAY DIGITAL TIMER GRASSLIN FM1D Optional The Intermatic Grasslin Model FM1D 24 Hour 7 Day Digital Timer may be provided to start and stop 24 hour 7 day oven operation This timer enables the oven to shut off at night and turn on and ramp back to temperature before the work day starts The timer can be programmed to have different hours of operation for any day of the week It can also be programmed with up to 20 on off cycles which can be assigned to any combination of days A large LCD display provides comprehensive information about your time settings Process Cycle Operation Normally open output contacts of the timer are wired in series with the Heater Contactor When the programmed start time is reached timer contacts will close to energize the contactor which will start the circulation blower and enable the heat control output Power to the heater is controlled by the main temperature controller When the programmed stop time is reached timer contacts will open to remove power from the circulation blower and heater The following features are included with the FM1D 24 Hour or 7 Day Programming 20 Programs with up to 10 On and 10 Off Events per day Manual 3 way Override On Auto Off 16 Amp 277 VAC resistive SPDT output contacts Reserve Carryover 3 Years Non replaceable Battery Daylight
35. e programmed to have different hours of operation for any day of the week It can also be programmed with up to 10 on off cycles which can be assigned to any combination of days Circular programming keys are provided with an LCD display that shows various data and information Process Cycle Operation Normally open output contacts of the timer are wired in series with the Heater Contactor When the programmed start time is reached timer contacts will close to energize the contactor which will start the circulation blower and enable the heater Power to the heater is controlled by the main temperature controller When the programmed stop time is reached timer contacts will open to remove power from the circulation blower and heater The following features are included with the Digi 20E 24 Hour or 7 Day Programming 20 Programs with up to 10 On and 10 Off Events per day Manual override for either temporary or continuous ON or OFF state with status display 16 Amp SPDT output contacts Rechargeable Nicad battery backup with 1 week or more carryover A program consists of the following 1 An ON or OFF command 2 Time of day Hour and Minute 3 Single day or multiple days GRASSLIN DIGI 20E TIMER Controller Configuration The pre programmed controller configuration for your chamber is documented in the Test Report which is located in the Supplemental Instructions Section Refer to the controller s user manual for mor
36. ectrical requirements The power supply connection is made to the main power cables inside the power supply junction box located at the rear left side of the oven Warning High Accessible Current An Earth connection is essential before connecting the power supply Make sure equipment is properly grounded in accordance with all codes AN Warning Make sure that all electrical wiring is properly installed in accordance with all National and Local Electric Codes Make sure all connections are secure Machinery Section Rear Views Rear views of machinery sections are shown for a range of oven sizes from large to small These include the Models DC1406 DC336 and DCC206 Model DC1406 Power Supply Diff Air Junction Box Heater Connections Control Panel Assembly Circ Motor Press Sw syd JE L MES ALO ao TE mind Main Circuit Breaker Heater Power SSRs MACHINERY SECTION MODEL DC1406 Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 30 BLUE M Model DC336 Power Supply Control Panel Diff Air Junction Box Assembly Press Sw Heater Connections MACHINERY SECTION MODEL DC336 Model DCC206 Power Supply Control Panel Diff Air Junction Box Assembly Heater Connections Press Sw Ej e 2 al x Main Circuit Breaker Heater Power SSRs Inert Gas Inlet MACHINERY SECTION MODEL DCC206 Blue M DC 146 Series Indust
37. ert gases Operator injury and equipment damage may result if all safety precautions are not followed A vent port is located on the top of the oven to vent process air insuring that excess chamber pressure levels do not develop to violate the oven door seal integrity The pressure is not monitored or controlled and is a result of gas injection flow rate versus gas vent dynamics This may be affected by excess loading of the HEPA ULPA filter Flow rate is adjusted using the needle valve on the flowmeter SIN Needle Valve _ a RUN FLOW ADJUSTMENT GAS FLOWMETER Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 48 BLUE M 8 0 OXYGEN ANALYZER TRANSMITTER Optional 8 1 Overview When an inert gas atmosphere is employed Model DCI amp DCC it may be necessary to monitor the amount of oxygen present in the chamber atmosphere for safety or process control reasons In an alarm condition the heating system would be shut down and audible visual alarms will be activated One of the following Alpha Omega Oxygen Analyzers Transmitters may be employed Series 2000 Percent Oxygen Analyzer Series 2510 Percent Oxygen Transmitter Series 3000 Trace Oxygen Analyzer Series 3510 Trace Oxygen Transmitter 8 2 Equipment Operation The analyzer transmitter samples process air through a line that runs from the pressure relief valve fitting with Model DCI ovens or from the vent port fi
38. et during a power up condition only This includes the return of power after a power failure Enter your temperature setpoint or temperature profile as applicable to the controller type employed Make sure the Temp Limit Controller temperature setpoint is set approximately 11 C 20 F above the rated operating temperature of the oven Load product and close the oven door securely If a door switch is employed the circulation blower motor will start Check for the operation of any optional equipment in the corresponding Options Section The following additional steps also apply when a profiling type controller is used and with the Model DCI as indicated 8 Press the Program button on the profiling type controller to start the process cycle Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 63 10 11 BLUE M For the Model DCI only the following sequence will occur for the control of inert gas into the oven The Eagle Signal B866 511 Purge Timer will energize and start the oven purge cycle The heating system is disabled The Purge light will illuminate Adjust the Purge Flow Adjustment needle valve on the gas flowmeter according to the Purge Flow Rate in the Gas Flow Rate Table of Section 7 1 for your oven N WARNING DO NOT ALLOW CHAMBER PRESSURE TO EXCEED 1 0 PSIG After the initial purge cycle time has elapsed the Purge Timer will shut off the high rate of inert gas flow into the oven The
39. h the coil A city water type supply is required with a maximum temperature of 75 F It is important to remember to pipe the drain line to an open bell type drain oven 100 C will initially result in the emission of extremely hot steam from the drain line This 1 WARNING Severe burn hazard The use of the cooling coil to rapidly cool a high temperature steam can cause severe burns Stay clear from drain when steam is emitted Cooling Control With the standard non profiling type controller a Cooling Switch located on the main control panel is normally used to energize a Water Cooling solenoid valve to permit cooling water to flow through the coil An optional Cooling Event Output with the non profiling controller may also be used to energize the solenoid valve This type of output is provided standard with profiling type controllers we r vr ddd diff ji vi OUT Reon i ae ari rt oa NMA SN nn AAT taa E immi AA Wy bek Le tommy eines My Hh Whey eee UT A mn AN K KG i oe mam KA AAA HAM Ven MAY LALLA AA WATER COOLED COOLING COIL Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 52 BLUE M 11 0 TEMPERATURE CONTROLLERS 11 1 Temperature Control Several different non profiling and profiling type temperature controllers may be used to control oven temperature Non profiling type controllers are standard Heating and cooling when applicable control methods are basically the same for each
40. hich activates the latching mechanism with a strike plate mounted on the bottom of the door When the process cycle is complete the Event Output will turn off and cause the Door Lock solenoid to deenergize and unlock the door ELECTRO MECHANICAL DOOR LOCK Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 60 BLUE M 18 0 PNEUMATIC DOOR LOCK OPERATION Optional A Pneumatic Door Lock may be provided to prevent the oven door from being opened after the process cycle has begun An Event Output from a profiling type controller is used to lock the door with the start of the process This Event Output will energize the Unit On Off Control Relay CR1121 Normally closed contacts of CR1121 will open to remove power from the Door Lock solenoid SOL1241 This allows the pneumatic cylinder latching rod to move upward into the strike plate and lock the door When the process cycle is over the Event Output will turn OFF and energize SOL1241 which causes the latching rod to retract and unlock the door Important Note Should a power outage occur during your process cycle the pneumatic door lock will remain locked This system requires power for SOL1241 to energize and unlock Note Strike Plate to Be Mounted on Bottom of Door Pneumatic Cylinder PNEUMATIC DOOR LOCK 19 0 LIGHT TOWER OPERATION Optional A light tower may be provided with your oven when a profiling type controller is used An audible alarm i
41. ide or flouride ions These ions are aggressive and highly corrosive and will attack stainless steel Thoroughly wash all surfaces with an appropriate cleaning solution Thoroughly rinse all surfaces Do not permit the HEPA filters to come in contact with any cleaning solution when cleaning with the duct walls removed Make sure the filters are adequately covered when employed When cleaning the conditioning plenum proper precaution should be taken not to spray beyond the blower outlet Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 70 BLUE M 22 2 Preventative Maintenance Schedule Log Important For each of the items to be inspected refer to item description sections for details on maintenance and service PREVENTATIVE MAINTENANCE SCHEDULE LOG ITEM TO BE Inspection Period Actual Date Actual Date Actual Date Actual Date Inspected Inspected Inspected Inspected INSPEGTED Serviced Serviced Serviced Serviced Door Gasket 3 Months PG Door Sealing Quality 3 Months Chamber Interior 3 Months Cleaning Blower Wheels 6 Months Ne General Electrical 6 Months Connections Heater Electrical 6 Months Connections Pressure Relief Valve 6 Months Model DCI HEPA ULPA Filter 1 Year Model DCC Main Temperature 1 Year Controller Calibration Limit Controller Alarm 6 Months Operation Electrical Supply 6 Months Voltage Blue M DC 146 Series Ind
42. ipping and handling it is possible that mechanical connections could become loose Check all connections to make sure they are secure 5 2 Location and Installation of Unit Standard Oven Classification NFPA 86 Class B ovens are heat utilization equipment operating at approximately atmospheric pressure wherein there are no flammable volatiles or combustible material being heated in the oven Do not place the unit near combustible materials or hazardous fumes or vapors Do not install unit in a corrosive environment A corrosive environment may lead to poor performance and deterioration of unit Do not locate unit in areas of wide ambient temperature variation such as near vents or outdoor entrances Ventilation The oven should be installed in an area where there is good air ventilation Allow a minimum of 5 inches between any wall and any oven side Do not position the oven in a manner that would make it difficult to operate your main power disconnect switch Make sure the oven is leveled when set up The floor of the chamber should be leveled with a Spirit Level to 1 8 3 175 mm front to back and side to side Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 14 BLUE M 5 3 Equipment Access amp Features 5 3 1 Models DC amp DCW 4Biuem ree Exhaust Port Door Switch Intake Port Differential Air Pressure Switch Main Circuit Adjustment Port Breaker MODEL DC206
43. ke amp Exhaust Dampers for Model DC DCW Adjustable air intake and exhaust dampers permit the air circulation system to be operated between a one pass airflow system and a full recirculated airflow system Both dampers should be slightly opened for the following conditions To remove undesirable process moisture and vapors generated by the heating process To promote faster drying times When operating near ambient temperature Cooling with the heating system turned off The blower wheel generates additional heat due to air friction as it rotates at high speed This additional heat can not be controlled by the main temperature controller Both dampers should be opened wider as you operate closer to ambient temperature to purge the extra heat produced Standard Air Intake Damper The intake damper includes a pivot assembly with a linkage to the damper blade You must loosen the knob to slide the pivot assembly right or left which opens and closes the damper A damper setting scale is indented into the frame It is marked Closed 1 2 3 Open Make sure you tighten the knob after changing the setting Indented Scale Note The indented scale is marked for reference only There is no related unit of measure tied this scale ADJUSTABLE AIR INTAKE DAMPER aed Rod Attached to Back of Damper Blade ADJUSTABLE AIR INTAKE DAMPER DAMPER BLADE Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DC
44. lower wheel is directly driven by an externally mounted motor A horizontal airflow type system is employed For the Model DC a portion of process air may be exchanged with fresh ambient air to remove moisture or undesirable process vapors This is achieved by opening the intake and exhaust dampers For the Model DC the air intake and exhaust dampers can be adjusted to provide between a one pass airflow system and a full recirculated airflow system within the chamber workspace Inert gas systems employed with the Models DCI and DCC utilize a gas injection system that maintains an inert atmosphere in the oven during the entire process cycle In the Model DCI only an initial high purge cycle will remove oven ambient air before heating is allowed to begin A constant low flow of gas will then be maintained during the heating and cooling cycles Inert gas flow and chamber pressure are monitored and regulated with various instruments on the gas control panel The following inert gases are approved for these ovens e Argon e Carbon Dioxide e Helium e Nitrogen 3 3 Equipment and Control Features Temperature Control For simple temperature control a non profiling type controller is normally used For temperature control with programming applications a profiling type controller is used Available controllers are listed below Non Profiling Controller Models Non Profiling Types Are Standard Blue M Stat 350 Yokogawa UT350 Profiling Co
45. made to a 1 2 O D stainless steel pipe Your connection should be made with a clamped hose that runs to an open drain which assumes there is no significant resistance to the flow of water i e 0 PSIG back pressure AN CAUTION Equipment damage hazard Equipment damage will occur if back pressure is allowed to build up on water draining from coil WARNING Severe burn hazard The use of the cooling coil to rapidly cool a high temperature oven 100 C will initially result in the emission of extremely hot steam from the water outlet drain line This steam can cause severe burns Stay clear from drain when steam is emitted eost e z WATER SUPPLY CONNECTIONS Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 22 BLUE M 5 6 Inert Gas Supply Connection for Model DCI An inert gas supply is required for process operation of the Model DCI The selection of the approved gases listed below is primarily dependant upon compatibility with the materials being processed listed below Operator injury and equipment damage may result if these instructions are not 1 Warning This oven is designed for use with only the non explosive non flammable inert gases followed Chamber Pressure The following inert gases are approved for the Models DCI REIGI NANG and DCC Argon Carbon Dioxide Helium Nitrogen The inlet connection is located inside the gas control housing on the left side of the ove
46. mportant Note The airflow diagrams shown above also apply to the Model DC and DCW Ovens when the ASTM air intake and exhaust ports are employed The only differences in the diagrams would be the drawing of the dampers themselves Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 41 BLUE M 6 3 4 Adjustment of ASTM Air Intake amp Exhaust Dampers For applications that require special temperature uniformity requirements according to ASTM specifications special air intake and exhaust dampers are employed ASTM Intake Damper The ASTM air intake damper is provided with a cover that can only be positioned either fully open or fully closed A threaded rod is welded to the inside of the cover with the threaded portion passing through a welded crossbar inside the exhaust port A silicone gasket is attached to the inside of the cover This gasket provides a 100 sealed port with the cover positioned tight against the port perimeter To open the port rotate the knob on the intake cover counterclockwise To close the port rotate the knob on the intake cover clockwise ASTM INTAKE DAMPER ASTM Exhaust Damper The ASTM exhaust slide damper is adjusted using the marked scale by simply pushing the slide in and out Please note that the slide fits very snug within the assembly to insure a tight seal The slide damper is shown fully closed in the photo ASTM EXHAUST DAMPER Blue M DC 146 Series Industrial Ovens
47. n To access the connection you must first remove the housing cover Caution A manually operated shut off valve and a reliable pressure regulator should be installed between your inert gas supply source and the oven connection The gas supply should be regulated by the customer in the range from 40 to 70 PSIG maximum The connection is Type 3 8 FPT Make sure the connection is secure The Purge Rate Adjustment needle valve on the flowmeter is used to adjust gas flow during the Purge Cycle The Run Flow Adjustment Valve adjusts gas flow during the Run Heat Process Cycle rele i AT GAS UV EN i Refer to the Gas Flow Rate Table in Section 7 1 for the corresponding purge rates specified for your oven You must adhere to the following warnings INERT GAS CONTROL SYSTEM gases are not in themselves toxic they can displace sufficient oxygen in poorly ventilated rooms 1 Warning Suffocation hazard The oven must be located in a well ventilated area Although inert to cause suffocation or asphyxiation Warning Burn Hazard Avoid contact with cryogenic materials Serious burns from immediate frostbite will result Insulated gloves eye goggles and protective clothing MUST be worn when working with or around these materials Gloves should be loose fitting so they can be quickly discarded in case liquefied gas spills or sprays into them Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 23 BLUE
48. ntroller Models Profiling Types Are Optional Blue M Pro 350 Yokogawa UP350 Blue M Pro 550 Yokogawa UP550 Blue M Pro 750 Yokogawa UP750 Watlow F4 Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 10 BLUE M Overtemperature Protection A Yokogawa Model UT150L Limit Controller OTP is provided for overtemperature protection The protection circuitry will shut down the heat control system and the circulation blower when a high heat limit is detected Audible and or visual alarms will be activated Circulation Airflow Switches A differential air pressure switch is used to monitor the generation of airflow by the circulation blower A loss of airflow detected by the switch will result in a shutdown of the oven s heaters and the activation of an alarm Digital Process Timer Optional An Eagle Signal Model B856 500 Digital Process Timer may be provided to time your heat process cycle The Model B856 is a programmable 1 16 DIN timer that features five selectable standard timing operations with five selectable time ranges The timer will start timing once the Timer Start pushbutton is pressed When the total preset time has elapsed the timer will remove power from the heater s An audible alarm will sound A Timer Reset button is provided to reset the system for the next cycle 24 Hr 7 Day Digital Timer Grasslin Digi20E Optional Note The Grasslin Model Digi20E is being replaced by the
49. o perform any service related procedure on this equipment Do not place the unit near combustible materials or hazardous fumes or vapors Do not install unit in a corrosive environment A corrosive environment may lead to poor performance and deterioration of unit Make sure the chamber and any remote equipment provided are leveled when installed The chamber door may swing shut on personnel if unit is tilted A main power disconnect switch is normally not provided with your unit If not provided we recommend that a fused disconnect switch on a separate branch circuit be installed as the power source in accordance with all National and Local Electrical Codes Do not position the chamber in a manner that would make it difficult to operate your main power disconnect switch Your power supply line voltage may be too low or too high to properly and safely operate your equipment Before making the power supply connection to your equipment you must follow the specific directions stated under Power Supply Specifications and Connection in the Installation Instructions section Failing to perform the directions stated may damage your equipment and void your warranty Control panels gauge boxes the conditioning compartment etc contain exposed electrical connections Keep panels in place properly when the unit is in operation Disconnect and Lock Out Tag Out all electrical power from the unit at its source before servicing or cleaning
50. ofiles 99 Segments per Profile Maximum of 300 Segments Program and Local Single Setpoint Control 1 Process Input Type J Thermocouple 1 Heat Control Output Time Proportioned 8 Digital Inputs 7 Digital Outputs Communications RS 485 Modbus Support for Light Loader LL100 PC based Parameter Setting Tool Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC BLUE M PRO 550 Page 54 BLUE M Blue M PRO 750 Controller or Yokogawa UP750 The Blue M PRO 750 Controller is a profiling type 1 4 DIN controller with the following main features Please note that all features may not be used Two Channel Program Capacity 300 Profiles 99 Segments per Profile Maximum of 3 000 Segments Program and Local Single Setpoint Control 1 Process Input Type J Thermocouple 1 Heat Control Output Time Proportioned 7 Digital Inputs 7 Digital Outputs Communications RS 485 with Modbus Protocol Support for Light Loader LL100 PC based Parameter Setting Tool BLUE M PRO 750 Watlow F4 Controller Temperature conditions may be controlled with the optional Watlow F4 Controller The WF4 is a powerful 1 4 DIN profiling type controller with the following features Single Channel Profiling Forty Profiles 256 Steps Automatic amp Manual Control 1 Input Universal Type RTD is Std 4 Digital Inputs 2 Auxiliary Analog Inputs Optional 2 Control Outputs Time Proportioned On Off or 4 20 ma 2 Alarm
51. ons Section Refer to the controller s user manual for more information am Process or Timed Value Set Time Entered by Keys 1 thru 4 Edit Key Program Key The top display is the actual process or timed value The bottom display is the set time that you enter in The four keys labeled 1 thru 4 below the display are used to enter in the set time value Each key can only change the corresponding Set Time digit 1 thru 4 from right to left increment only e g Key 1 changes the first place digit Key 2 changes the second place digit Key 3 changes the third place digit Key 4 changes the fourth place digit The process timed value in the top display is normally factory set example only for a Count Up value From the photo at the right the preset time in the lower display is set for 3 Hrs 0 Min When the preset process temperature is reached upon heat up the timer will start counting up from 0 to 3 Hours in the top display Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 5 BLUE M 14 0 24HR 7 DAY DIGITAL TIMER GRASSLIN DIGI 20E Optional IMPORTANT NOTE The Model Digi 20E is being replaced by the Grasslin Model FM1D The Grasslin Model Digi 20E 24 Hour 7 Day Digital Timer may be provided to start and stop 24 hour 7 day oven operation This timer enables the oven to shut off at night and turn on and ramp back to temperature before the work day starts The timer can b
52. operation utilizing a 50 Hz power supply may derate the listed performance specifications Equipment damage personal injury or death may result if this equipment is operated or maintained by untrained personnel Operators and service personnel must be familiar with the location and function of all controls and the inherent dangers of the equipment before operating or maintaining it TPS shall not be liable for any damages including incidental and or consequential damages regardless of the legal theory asserted including negligence and or strict liability Observe all safety warnings and operating parameters listed in this manual as well as all Caution Danger and Warning signs or labels mounted on the equipment to reduce the risk of equipment damage and personal injury Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 12 BLUE M 4 0 DRAWINGS INFORMATION and VENDOR INSTRUCTION LISTINGS The following drawings are provided Electrical Schematic xxxxxWD Wiring Parts List XXXXXPW General Layout for custom ovens when available D001 The following information and vendor manuals are provided Main Temperature Controller Manual Yokogawa UT150L Limit Controller Manual Optional Equipment The following vendor manuals will be supplied when the option is included Dial Set Purge Cycle Timer Manual for Model DCI Only Eagle Signal B866 511 Digital Process Timer Manual Eagle Signal B856 500 Day Timer Manual
53. ormal The OUT LED will remain lit until the UT150L is reset Reset Operation When conditions return to normal and the EXCEEDED lamp extinguishes press and hold the RESET key on the controller for at least 2 seconds or until the OUT LED extinguish Note The UT150L is configured for automatic reset during a power up condition only This includes the return of power after a power failure Controller Parameter Setup The pre programmed controller configuration for your oven is documented in the Controller Parameter Setup Chart which is part of your Test Report This is located in the Supplemental Instructions Section Important The configuration set up is mainly provided for your reference Not all of the parameters shown apply to your chamber Changes to some of the set up parameters may drastically affect your chamber performance and void your warranty Contact the TPS Service Dept before attempting any changes Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 56 BLUE M 13 0 PROCESS TIMER EAGLE SIGNAL B856 Optional An Eagle Signal Model B856 Digital Process Timer may be provided to time your process cycle and to stop conditioning when the cycle is complete The Model B856 is a programmable 1 16 DIN type timer that features five selectable standard timing operations with five selectable time ranges The unit is preset to operate with an Off Delay sequence Preset times ranging from 01 seconds to 9999 h
54. our vision with the intent to provide you with more diversified solutions to your thermal product process requirements We truly hope that every aspect of chamber design and quality will measure up to your strictest standards Your chamber has been designed to operate with the reliability you expect for the demands you impose on your product and research testing Headquartered in New Columbia Pennsylvania which is located in the North central part of the state TPS includes the following five divisions that manufacture environmental test chambers and industrial ovens Tenney Environmental Lunaire Environmental Gruenberg Oven Blue M Lindberg Parts and service inquiries for equipment within each division should be directed to TPS by any of the following methods Important Please have the Model and Serial Numbers of your unit available when contacting us Model No Serial No Thermal Product Solutions PO Box 150 Mailing Address ETSI TERT White Deer PA 17887 ct Solutions t ot SPX Corpo Thermal Product Solutions 2821 Old Route 15 Physical Address New Columbia PA 17856 Phone 570 538 7200 Fax Parts Dept 570 538 7385 Fax Service Dept 570 538 7391 Fax Main 570 538 7380 E Mail Address service lunaire com Web site www thermalproductsolutions com Parts Replacement Your equipment has been designed and manufactured to provide years of reliable service In the event a
55. ours can be set by the operator The four digit preset time display is set up with a 1 thru 4 button per digit keypad A dual line LCD display shows the preset time and the elapsed or remaining cycle time Display indicators provide information such as the time range and the status of the input and outputs Process Cycle Operation The Process Timer will begin timing when the Start Timer pushbutton on the main control panel is pressed Normally closed timer contacts are wired in series with the Heater Contactor which provides power to the circulation blower and enables the heater Power to the heater is controlled by the main temperature controller When the programmed time has elapsed timer contacts will open to shut down both the blower and the heater An audible alarm will sound and the End of Process Alarm Silence light pushbutton on the main control panel will illuminate You must press the Timer Reset pushbutton on the main control panel to reset the timer and begin a new process cycle The audible alarm will then turn off Time Setup This procedure explains how to set the process time using the factory set Hours Minutes configuration Since the timer is preset with an Off Delay sequence you do not need to make any changes with the Edit E or Program P keys Controller Configuration The pre programmed controller configuration for your chamber is documented in the Test Report which is located in the Supplemental Instructi
56. pendent on oven size and purge rate These values are listed in the Gas Flow Rate Table below The purge cycle is designed to purge the chamber of existing atmospheric air in the chamber and replace it with an inert gas All oxygen water vapor airborne contaminants etc are removed We recommend that a volume of inert gas at least 5 to 10 times the volume of the work chamber be forced through the oven The Gas Flow Rate Table reflects a rate of approximately 7 times the volume for the chamber listed The Purge Rate Adjustment needle valve on the flowmeter is used to adjust gas flow during the Purge Cycle This would also be the maximum flow allowed Please note that your process may require a slight variation Gas Flow Rate Table MODEL PURGE PURGE RUN FLOW COOL DOWN FLOW RATE TIME RATE FLOW RATE DCI 146 100 SCFH 20 SCFH Same as Run Rate DCI 206 100 SCFH 25 SCFH Same as Run Rate DCI 256 Same as Run Rate DCI 136 Same as Run Rate DCI 336 Same as Run Rate DCI 1406 Same as Run Rate Important Make sure the Purge Flow Rate is maintained during each purge cycle Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 46 BLUE M The Eagle Signal Model B866 511 Purge Timer is used to time the purge J 1 TA cycle This timer is installed inside the control panel After product is vg J ee PK loaded the oven door is securely closed and the chamber is started the j roen or timer will immedi
57. rge Air L p i ar A AW Blower Wheel CONDITIONING PLENUM MODEL DCW1406 Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 33 BLUE M Model DCC336 Air Diffuser Thermocouple Ports Water Cooled Coil Diff Air Press aay Sense Tubes Inert Gas Port Below Wheel Heaters CONDITIONING PLENUM MODEL DCC336 Model DC256 Exhaust Port A NE EE es yr a Air Intake Damper l anene in Closed Position en Access Port He o a Diff Air Press Sense Tube Heater CONDITIONING PLENUM MODEL DC256 Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 34 BLUE M Model DCC256 Differential Air Pressure i Vi Sense Tubes AN OT AAYYY n W anne So ne TT dt TT ui VTN en e TATE S abt i 448 VAM gt MODEL DCC256 BLOWER DISCHARGE Models DC amp DCI Rear Wall THERMOCOUPLE LOCATION MODELS DC amp DCI Thermocouples a x Model DCC Note Thermocouples are placed along the left wall in the Model DCC only due to the Clean Room Insert that is installed inside the oven liner THERMOCOUPLE LOCATION MODEL DCC Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 35 BLUE M 6 2 Basic Workspace Airflow Description Process air is drawn down into the conditioning plenum from along the left side duct wall by the circulation blower wheel
58. rial Ovens Models DC DCW DCI DCC Page 31 BLUE M 5 11 Application of Power Before energizing any equipment make a visual inspection for loose components electrical connections fittings etc Shut all operating switches to the OFF position before energizing Have trained personnel start and check out the equipment before its first cycle Motor Rotation Check Units with three phase motors must be checked to insure proper motor rotation A red arrow is located on the motor housing of three phase motors to show proper rotation If it is opposite shut down the oven and disconnect the main power supply source Perform Lock Out Tag Out Procedures established by your company Reverse two of the line feeds to obtain proper operation Failure to check motor rotation may result in DAMAGE TO THE EQUIPMENT due to opposite airflow or no airflow Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 32 BLUE M 6 0 AIR CIRCULATION SYSTEM 6 1 System Overview A high volume horizontal type airflow system is employed with an electrical heating system to provide maximum temperature uniformity Heating and the generation of airflow occurs in the conditioning plenum located below the workspace floor The plenum is isolated from the workspace to prevent direct heat radiation Air circulation is generated by a centrifugal type blower wheel that is driven by an externally mounted motor The water cooled cooling coil which i
59. s employed with the tower assembly The following lighting scheme is used Green Oven ON Amber End of Process Red OTP Alarm Audible Alarm Will Sound LIGHT TOWER Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 61 BLUE M 20 0 CHART RECORDER Optional As an option your chamber may be provided with either a circular or strip type chart recorder to record temperature versus time This recorder is normally a one pen type which also digitally displays the measured value Typically Channel 1 or Pen 1 records temperature as measured by a dedicated Type J thermocouple The recorder configuration is documented in the Test Report which is located in the Supplemental Instructions Section Reference the recorder s user manual for a detailed operation of the unit HONEYWELL DR4300 HONEYWELL DR4500 TRULINE Note The DR4500 Truline recorder draws its own chart in real time as it plots temperature humidity pressure as applicable for each channel Up to four channels may be employed Note Other models may be provided Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 62 BLUE M 21 0 SEQUENCE OF OPERATION it is equipped with a solvent venting package or intrinsically safe interior design and specifically 1 WARNING This equipment is not designed for use with volatile or explosive materials unless stated in your chamber specifications Loading of s
60. s optional for the Model DC DCW and standard for the Models DCI and DCC is installed in the conditioning plenum to the right of the electric heaters Standard units employ perforated duct walls to permit air circulation through the workspace Special units that require temperature uniformity requirements will employ semi pierced duct walls A horizontally placed air diffuser panel is installed in the right side duct wall to uniformly direct airflow upwards For Models DC DCW adjustable air intake and exhaust dampers ports are installed on the left side of the oven to enable the exchange of process air with fresh ambient air These ports can be opened for the purpose of either cooling or to remove undesirable process vapors or moisture They can also be adjusted to provide between a one pass airflow system and a full recirculated airflow system in the workspace For Models DCI and DCC inert gas is injected into the conditioning plenum replacing ambient atmospheric air for the complete process cycle A pressure relief valve for the Model DCI and a vent port for the Model DCC are installed to vent the chamber Type J Thermocouples are placed in the workspace airflow at the top rear wall to measure temperature with the main and limit controllers Model DCW1406 y m j a f Air Diffuser Exhaust Port Air Intake Damper in Closed Position FR SS n Differential Air Pressure Sense Tube Discha
61. sphere is maintained in the Model DCI and Model DCC ovens during the process cycle using an injected inert gas local code regulations Make sure the area surrounding the chamber is well ventilated Warning Exhaust ports and vents can become extremely hot Do not touch Avoid contact between the port and flammable materials Do not vent exhaust against combustible surfaces Warning Inert gases displace oxygen A vent duct should be connected to the relief valve or vent port and run to a location outside of the building This should be done in accordance with all AN areas or materials Model DCI A pressure relief valve PRV is installed with the Model DCI to cause a slight positive pressure to be Oven Pressure PRV P established in the chamber during the process cycle Sense Line to Pressure Gauge PRV is designed to open when chamber pressure rises above 0 5 PSIG This valve is located at the top of the oven with a Type 1 2 FPT connection Make sure the connection is secure PRESSURE RELIEF VALVE amp GAUGE Model DCC A vent port is installed with the Model DCC to prevent any excess pressure buildup from occurring within the chamber This port is located on top of the chamber with a Type 1 2 MPT connection Make sure the connection is secure VENT PORT Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 27 BLUE M 5 9 Compressed Air Supply Connection for Pneumatic Door Lock Optional
62. stalled around the exhaust port For applications that require special temperature uniformity specifications ASTM an exhaust port with a scaled slide damper is provided A special air intake port would be included A vent duct should be connected to the exhaust port and run to a location outside of the building as necessary This should be done in accordance with all local code regulations Make sure the connection is secure between the port and flammable materials Do not vent exhaust against combustible surfaces 1 Warning Exhaust ports and vents can become extremely hot Do not touch Avoid contact areas or materials EXHAUST PORT with QUAD DAMPER EXHAUST PORT with GUARD ASTM EXHAUST PORT with SLIDE DAMPER Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 21 BLUE M 5 5 Water Supply Connections for Cooling Coil as applicable Your oven will require a supply of city water for the water cooled cooling coil which is installed for the applications below Optional for Model DC DCW Standard for Models DCI and DCC The supply should be rated 3 4 GPM 30 to 40 PSIG at 75 F maximum Water In and Water Out connections are located at the rear of the unit Water Inlet Connection The water inlet connection is made to the Cooling Coil solenoid valve and is a Type 3 8 Flare Fitting Make sure your connection is secure Water Outlet Connection The water outlet drain connection is
63. tion Otherwise erratic operation and damage may occur to your equipment which may void your warranty If you have any questions please call the TPS Service Department Important One of the most common causes of equipment malfunction is low line voltage as the power source to the unit Ordinarily in this condition the heat output would be reduced and the system s motors would operate erratically eventually overheat and shut down You must be certain that your equipment Is connected to a circuit with an adequate voltage and current source An oversupply voltage would also cause erratic operation and eventual shutdown or damage to your equipment 60 HERTZ SUPPLIES 50 HERTZ SUPPLIES LINE VOLTAGE MIN MAX TABLE LINE VOLTAGE MIN MAX TABLE Chamber Minimum Maximum Chamber Minimum Maximum Voltage Voltage Voltage Voltage Voltage Operation outside these Operation outside these limits can result in damage limits can result in damage to chamber equipment to chamber equipment Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 29 BLUE M Making the Power Supply Connection to the Chamber A main power disconnect switch is normally not provided with your chamber We recommend that a fused disconnect switch on a separate branch circuit be installed as the power source to your chamber in accordance with all national and local electrical codes Reference your Electrical Schematic or your serial tag for all el
64. tl TITI i A ja WORKSPACE AIRFLOW MODEL DC206 Differential Air Pressure Switches FLS A differential air pressure type switch is utilized to monitor for correct operation of the circulation blower motor Correct rotation of the motor is necessary for the switch to properly operate This device uses a diaphragm to sense pressure and to mechanically trigger a SPDT Snap Switch when the correct pressure is developed across the blower wheel Note The air pressure switch in the Model DC DCW measures differential pressure between ambient air and the inlet of the blower wheel Note Air pressure switches in the Models DCI and DCC measure differential pressure between the inlet and outlet discharge of the blower wheel If a loss of pressure airflow were detected the switch would open DIFFERENTIAL AIR PRESSURE SWITCH causing power to be removed from the heaters Audible or visual alarms will be activated when employed Loss of airflow may result from a motor malfunction reversed motor rotation a loose blower wheel reversed air sensor tubes or a clogged HEPA filter when applicable Important Note Do not tamper with the airflow switch adjustment port located at the side of the unit The switch is factory preset Note Your equipment configuration may be slightly different from what is shown Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 38 BLUE M 6 3 Adjustment of Air Inta
65. tting with Model DCC ovens Both fittings are on top of the oven A flowmeter provides indication of the sample flow rate experienced by the analyzer transmitter unit The units employ a sensor which is a lead oxygen battery consisting of a gold plated cathode and a lead anode fully self contained in an electrolyte solution As a small amount of oxygen permeates through a Teflon membrane of the sensor it is reduced electro chemically at the gold electrode A resistor and a thermistor for temperature compensation are connected between the cathode and anode As a result the lead oxygen battery is always discharged Current flowing through the resistor and thermistor is proportional to the oxygen concentration of the gas in contact with the Teflon membrane By measuring the voltage between the resistor and thermistor oxygen concentration can be accurately determined SERIES 3510 TRACE OXYGEN TRANSMITTER SERIES 2000 PERCENT OXYGEN ANALYZER SERIES 2000 PERCENT ANALYZER SERIES 3510 TRACE OXYGEN TRANSMITTER Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 49 BLUE M 8 3 Series 2000 2510 Percent Oxygen Units The Alpha Omega Series 2000 2510 units measure oxygen as a percent of the atmosphere volume with the following specifications m Measurement Ranges in percent 0 2 0 5 0 10 0 25 0 50 0 100 specified at time of order a Sample Gas pressure Limits 0 1 to 1 0 PSIG Sample Flow Rate 1
66. uch materials may result in explosion or fire Important Make sure you have read and understand this entire manual along with all vendor manuals enclosed before beginning oven operation Important Make sure the Installation Instructions have been properly followed before operating Note the oven All switches should be in the OFF position before starting the sequence below The sequence below was written for a standard oven This sequence will vary slightly based on the type of controller used i e non profiling type or profiling type Turn on the main power source to the oven along with all other utility supplies as specified in the Installation Instructions as applicable Turn the Main Circuit Breaker CB1001 on the front control panel to the ON position Turn the Chamber Power Switch to the ON position The Temperature Controller will energize and the white Chamber Power Switch light will illuminate When a non profiling type temperature controller is used the Temp Limit Controller OTP will also energize the control circuitry will be enabled and the circulation blower will start without a door switch When a profiling type temperature controller is used Event Output No 1 of the controller will automatically close to energize the Temp Limit Controller OTP and to enable the entire control circuitry The circulation blower will also start without a door switch Note The Temp Limit Controller is configured for automatic res
67. uge may vary during different portions of the cycle The pressure will increase as the temperature rises and decrease when the temperature drops Needle Valve Cool Down Cycle Upon completion of the heat process cycle the heating system will be disabled During the Cool Down Cycle the inert gas atmosphere must be maintained until the work load is below the temperature at which oxidation will occur 125 C is considered the highest safe temperature for most workloads The Cool Down Flow Rate is identical to the Run Flow Rate listed for your chamber in the Gas Flow Rate Table Note When processing high mass loads the work load temperature may be higher than the temperature shown on the temperature indicator GAS CONTROL PANEL Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 47 BLUE M 7 2 Model DCC Gas Control System An inert gas sytem is used to maintain an inert gas atmosphere in the oven during the entire process cycle The Model DCC does not incorporate a separate Purge Cycle and Run Cycle as in the Model DCI Therefore the pressure relief valve pressure gage and purge timer are not employed Inert gas is injected into the chamber through a small port located beneath the blower wheel in the conditioning plenum The following inert gases are approved for this oven e Argon e Carbon Dioxide e Helium e Nitrogen AN Warning This oven is designed for use with only non explosive non flammable in
68. ustrial Ovens Models DC DCW DCI DCC Page 71 BLUE M SUPPLEMENTAL INSTRUCTIONS Blue M DC 146 Series Industrial Ovens Models DC DCW DCI DCC Page 72
69. vels Both types will activate alarm circuitry and cause the shutdown of the heating system to prevent either an oxidizing condition or a potential explosive condition Door Limit Switch Optional An oven door limit switch may be employed to enable the control circuitry only after the oven door is closed securely Opening the door during the process cycle will shut down the heating system and the circulation blower motor Electro mechanical or Pneumatic Door Lock Optional Either an Electro mechanical or a Pneumatic Door Lock may be provided to prevent the oven door from being opened after the process cycle has begun An Event Output from a profiling type controller is used to lock the door with the start of the process Additional Options Blue M ovens are designed with the capability to incorporate many other optional features for safety purposes enhanced process control and simplified operator interface Consult a Blue M Applications Engineer or our Service Department for more information or questions And thanks for choosing a Blue M Oven 3 4 Operating Parameters and Requirements This equipment is designed to operate safely when the following environmental conditions are met Indoor use only Within a temperature range of 5 C to 30 C max Maximum relative humidity 90 The listed chamber specifications are based on operation at 24 C ambient temperature altitude at sea level and a 60 Hz power supply Chamber

INDUSTRIAL OVEN

Contents

Download Pdf Manuals

Related Search

Related Contents