Operating Manual Bench Series Ovens ER Models 21 / 31 / 51
Contents
1. Quincy Lab Inc SPECIFICATIONS INTERIOR DIMENSIONS INCHES WxHxD CM WxHxD EXTERIOR DIMENSIONS INCHES WxHxD CM WxHxD TEMPERATURE RANGE Ambient 25F to CONTROL STABILITY 100C 200C STANDARD ELECTRICAL VOLTS AMPS WATTS PLUG NEMA WEIGHT Ibs SHIPPING STAND ALONE Common Unit Construction Exterior Powder Coated Steel Insulation Fiberglass Thermo control PID Microprocessor Operating Manual Bench Series Ovens ER Models 21 31 51 With Digital Microprocessor Control and Ramp amp Soak Programming Standard Contents 1 Bench Series ER Oven 2 Adjustable chrome wire shelf 4 Shelf brackets A Not For Use With Flammable Solvents or Gases MODEL MODEL MODEL MODEL 21 250ER 21 350ER 31 350ER 51 550ER 25 5x20x22 5 64x50x57 25 5x30x24 64x76x60 25 5x20x24 64x50x60 25 5x20x24 64x50x60 33x24x35 5 83x60x90 33xX34x35 5 83x86x90 33x24x35 5 83x60x90 33x24x35 5 83x60x90 450F 232C 950F 287C 2 5 C 3 0 C 300F 150C 450F 232C 3 0 C 2 0 C 2 0 C 3 5 C NA 2 5 C 230 12 5 2850 6 20P 120 16 1920 5 20P 120 16 1920 5 20P 120 8 75 1050 5 15P Standard models voltage only optional voltage available See page 2 Interior Aluminized Steel stainless optional Motor Sealed Ball Bearing Heater Resistive Tubular Incoloy Issue A Rev 0908 Copyright Quincy Lab Inc 2008 Quincy Lab Inc 1925 N Leamingt2. air flows from back to front along the side walls then moves horizontally toward the chamber center and back toward the recirculating blower Placing an article against the side walls or rear blower return vent opening will greatly affect unit performance i e chamber uniformity run up amp recovery maximum operating temperature and energy use efficiency Here are some guidelines that are critical to optimum oven performance and better faster work load processing Leave a space between articles on a shelf For best processing performance for a single item adjust one shelf so that the article is centered in the oven Avoid placing articles on the oven floor Instead use a shelf at the lowest adjustable position Do not place articles against the inner side walls or the slotted vents in rear air plenum This will obstruct air flow and degrade uniformity Do not overload the unit with large or high density loads This will show by non uniform processing and or long heat through or processing times TOP VIEW AIR FLOW FIG 5 SECTION BLOWER MOTOR PAGE 5 Menu Level Functions Access the menu levels for the following functions all user applicable functions FUNCTION PROMPT and their menu locations are outlined in red in Menu Guide below Change control to read in C or F temperature units EB in level 2 Change to whole degree or 1 10th degree display resolution GEM in level 2 Run or Read temperature
3. 0 Volt 101 1403 Shelf Rail Saas 301 0015 Cord and Plu 101 1403 120 Volt 101 1203 Exhaust Chamber Adapter 301 2065 Cord and Plug 101 1403 1 Stand w shelf 301 2060 Floor stand or Cabinet 501 0055 Cord and Plug 101 1203 1 AN Disconnect Power Before Repairing or Replacing any Component Technical Support If you have any questions or need technical assistance please contact Quincy Lab Tech Support at Email information quincylab com Quincy Lab Inc Voice 800 482 HEAT 4328 1925 N Leamington Ave Fax 773 622 2282 Chicago Illinois 60639 Limited Warranty Quincy Lab Inc warrants to the original purchaser that this product will be free from defects in material and workmanship under normal use throughout the warranty period The standard warranty period for this instrument is eighteen months from date of shipment The instrument warranty is supplemented with a two year warranty on the heating element Please refer to your invoice or shipping documents to determine the active warranty period This warranty covers parts amp labor labor at the factory only and shipping cost for the replacement parts Copyright Quincy Lab Inc 2007 PAGE 8
4. BRATION TEMPERATURE TRACKING v v LeuL 2 ss A MANUAL ADJUSTMENTS AUDIBLE ALARM MODES RESOLUTION RANGING INPUT AND UNIT SELECTION MN Press up amp down e a forth through N PRESS level functions A D ve IE Cs ES CE OS EE OE GE GE EE PID AND PERFORMANCE SETTINGS SP2 AUDIBLE ALARM SETTINGS PRESS MENU ENTRY v POINT A IMPORTANT NOTE The non high lighted control functions within the menu levels are factory set for the basic and safe operation of your model oven Care should be taken when navigating or changing user applicable settings outlined A ea A i red so as not to alter these factory settings Factory settings for functions levels gagga g each function are listed within the in each prompt tab above to use as a trouble shooting reference MN Level P is the Ramp amp Soak program level ty as aw a A See separate Ramp amp amp RS oo nee amp Ke of z o xo SSRS PRESS Soak Programming Zs sS oa Ey o ZS K ais o SS aio 2 A of oN s ae 3 Operating Manual EE E oe font oe r Cx NY o a OS Ce 250 ce SK K o P amy 4 gt Eraren sef Ey OE Ea RAMP amp SOAK PROGRAM E V Press star key amp up PAGE 6 Temperature Tracking Feature This feature monitors the stability of the control during any given length process It will record and display 1 The total variation or spread between high and low 2 The absolute or maximum hi
5. a distributed load of 100 lbs maximum Do not exceed a combined total of 300 Ibs within the oven at one time Avoid placing articles on the oven floor Instead use a shelf at the lowest adjustable position A Care should be taken when removing articles from the oven Don t pull the shelf out when removing heavy loads The shelf is not secured and loads can tip and fall forward General Operation All control parameters and other control variables have already been factory set for your model s temperature range and capacity to provide heating and performance characteristics for a broad range of applications Your Bench Series ER oven is ready for operation To power the oven turn on the power fan switch The blower will begin to circulate chamber air and the temperature control will display the current chamber temperature green LEDs and a factory set temperature orange LED s of 125 degrees F Turn heater switch to heat The heat cycle indicator will illuminate and the oven will immediately begin heating towards the set temperature Once the set temperature is reached the heat cycle indicator will cycle on and off with the heaters maintaining the set temperature Typically the oven will need to cycle at set temperature for a minimum of 20 minutes before it will achieve equilibrium and become temperature stable see stability soecs on page 1 To change the set temp press and hold the star key then press the up or down arrow
6. gh and 3 The absolute or minimum low To start the tracking feature navigate to CheK prompt in menu level 3 Hold star key then up arrow key to select ON Return to temp display or control will auto return in 60 seconds The control will track the temperature variation until CheK is turned off Recorded readings are retained until next CheK ON You can view readings at any time during or after tracking feature has been turned off But de powering the unit will reset CheK to OFF and rEAd to zero To view total temperature variation navigate to rEAd prompt in menu level 3 EXAMPLE ov o aw G a u oO Displays total Press amp Hold 3 Press amp Hold amp variance 0 9 Then Press A Once Then Press A Again Displays High Variation Displays Low Variation TIP To avoid erroneous tracking data from run up temperatures or door openings start the Tracking feature after articles have been placed and temperature steadies at set point Advance Control Operation AUTO TUNING performance parameters PID The control s PID performance parameters as well as other control variables are factory tuned for your model s temperature range and capacity to provide heating and performance characteristics for a broad range of applications For certain applications such as extra large or high density loads it may be necessary to generate new PID parameters to improve oven performance To customize performance for a specific application activa
7. keys to change to the desired set temperature Pressing the star key alone verifies the control s temperature display units in degrees F or C factory set at F for Fahrenheit To change the display units to read in Centigrade see the control s Menu Level Functions page 6 The temperature setting is maintained in the control whenever the power is turned off When the oven is turned back on it will begin heating toward the temperature setting DIGITAL MICROPROCESSOR Temperature controller Temperature Setpoint Actual Chamber Temperature Heat Cycle Indicator To adjust temperature set point press and hold the star key then press A To Increase Setpoint Y To Decrease Setpoint PAGE 4 General Operation continued The heater switch in the off or cool position allows for convenient ambient air HEATA FAN COOLW drying of articles or to more slowly amp evenly cool heated articles without having to lower or change the temperature setting Also use this switch to allow the oven to cool before turning the fan off when using the oven at higher temperature settings This helps to both cool the motor prolonging it s life and remove any moisture laden air before it condenses in the chamber which will help prevent premature corrosion over time Chamber Loading HEATER SWITCH Load the oven so that air circulation within the oven is not impaired Note the air flow from the top section view FIG 5 Heated
8. n On Off mode PAGE 7 AN Periodic Oven Maintenance The Bench Series Ovens are designed to be virtually maintenance free But operational safety requires periodic cleaning and chamber temperature accuracy verification Periodically check the rear air intake vents for dirt or dust build up Keep the intake amp exit ports clear of obstruction and clean of dust and dirt This will keep the motor from overheating and reduce risk of fire It may be necessary to remove the rear electrical cover to clean or vacuum dirt and dust from in amp around the motor Unplug the oven before removing the rear cover The sealed ball bearing motor requires no lubrication Twice a year check the actual oven chamber temperature against a known accurate temperature measurement device Maintain temperature accuracy to within 10 degrees F of the control setting calibrate the control as necessary see control calibration Contact factory upon observation of temperature instability Periodically check fan for continuous operation Maintain records of all periodic maintenance and repairs To clean exterior and interior surfaces use a damp cloth or with an all purpose cleaner Avoid commercially available oven cleaners Replacement Components All replacement components are readily available and are easily replaced in the field Temperature Controler Aimodets tzorz0vot o S T ee o T S 1 301 1212 Blower Fan Blade 301 2218 301 1212 1 Galvanize 301 5001 12
9. n itself is not rated for use with such materials Also the oven being electric as opposed to gas does not produce any harmful bi products in the process of producing heat It is recommended that the attached exhaust chamber and piping be checked once a year for any obstruction from dust dirt or material process plaque build up from processing certain materials Check with the manufacturer of the materials used in your process if heating the material may produce a bi product or out gassing that may build up on the interior surface of the oven exhaust chamber or piping and present a fire hazard over time Contact an HVAC engineer for assistance with installation or questions regarding proper venting requirements in your specific building or location and if any local or national fire or safety codes may apply for your application or process A Annually check exhaust piping a for possible obstruction or material process build up PAGE 3 Shelve Installation and Use Install adjustable shelf by first placing the shelf bracket rivets into the corresponding keyhole supports located on each inner side of the oven Orientate the bracket in the down or L position This position guides the shelf in and out and protects the side wall from being scratched The bracket may also be place in the up or position if slightly more interior clearance is needed Place the shelf on the brackets as shown FIG 4 Each shelf will support
10. on Ave Chicago Illinois 1 800 482 HEAT 4328 PAGE 1 Safety Precautions UN Read Operating Instructions Thoroughly Prior to Operation A The Bench Series ovens are not designed for use with any flammable solvents or gases or for materials that may contain flammable solvents or gases Use only a grounded outlet that is rated for your model s electrical requirement do not use with an extension cord Oven exterior walls and doors may become hot to the touch when operating at higher set temperatures Do not operate the oven in close proximity to any flammable solvents gases or materials Do not leave the oven unattended during operation especially when processing materials that have flash point temperatures lower than the model oven s maximum operating range Do not operate or modify the oven to operate without the motor or fan blower Conduct periodic maintenance as required Set Up amp Installation Locate the oven on a suitable clean solid surface and maintain a minimum of 6 inches of air space between the rear electrical cover and any building or vertical surface FIG 1 This is important as ambient air must circulate freely through the rear air intake ports for proper cooling of the blower motor A Do not cover or restrict air flow at the rear air intake ports this will cause the motor to overheat shortening the motor s life and increase risk of fire Heated exhaust air is expelled through the two small ports located just above rea
11. ormance run a short pipe horizontally 3 feet max directly through an exterior wall For 4 minimum from wall to rear exhaust piping vertical runs the exhaust pipe should not have more than one 1 90 degree elbow a maximum horizontal run of 3 and a maximum of 15 vertically Exceeding these recommendations may cause improper ventilation Poor exhaust quality would be indicated by an excess of fumes and or vapor from around the door gasket versus what would normally be present if no exhaust venting was used Piping run lengths can be extended beyond recommended maximums where a connection to an existing ventilation or exhaust system provide a larger pipe diameter and or a mechanically powered draft that provides a negative pressure at the point of FIG 3 connection Mechanically powered vent systems work best to eliminate fumes and moisture vapors but depending on vacuum strength at the point of connection it may slightly reduce the oven s time to temperature and recovery performance A Important Note about the Exhaust Chamber and Connection The optional exhaust chamber adapter is used to vent oven chamber fumes and heated moisture laden air to a building s exterior for the purposes of minimizing excess heat humidity or unpleasant but otherwise harmless fumes within an interior working environment The exhaust chamber system as a whole is not designed for use to remove harmful or flammable gases or vapors since the ove
12. r electrical cover FIG 2 Keep materials or building surfaces that may be susceptible to this heated exhaust air clear from rear area Maintain a minimum 5 feet of unobstructed space above the oven to allow exhaust air to naturally convect up and away from the air intake ports Keep 3 of air space at the oven sides 3 from control panel cover For units with optional Exhaust Chamber Adapter see page 3 CLEARANCE REAR VIEW AIR FLOW REQUIREMENTS 6 minimum from wall to rear blower housing EXHAUST AIR N FIG 1 FIG 2 Electrical Plug the unit into a grounded outlet for your unit s rated voltage IMPORTANT See electrical label at right side rear electrical cover to verify your units power requirements Isolate each model to a separate appropriately rated circuit or breaker Below are the NEMA plug configurations that are supplied with the various Bench Series ovens These configurations will also help to identify the ovens electrical rating or power requirements m 120Volt Units 230Volt Units 15AMP 20AMP 15AMP 20AMP 5 15P 5 20P 6 15P 6 20P PAGE 2 Connecting to the Exhaust Chamber Adapter Optional Connect the exhaust chamber adapter with standard 3 or 4 diameter single or double wall steel or galvanized pipe A minimum of 4 inches of clearance CLEARANCE should be maintained between the connected pipe REQUIREMENTS and any building surface or material FIG 3 For best perf
13. te the auto tune function At the tunE prompt in the functions menu change the function setting from off to on NOTE To tune parameters more accurately for set temperatures below 250 degrees F change the function setting to At SP at set point instead of the on setting Auto tune will take between 5 and 45 minutes to complete When completed it will return to normal operation automatically Start the tune function at the point in your application for which you desire better performance For example If you want better run up performance once a load is placed start the auto tune function just after you ve place the load If you want the best stability after the load achieves temperature start the auto tune function after the load achieves temperature etc PID vs On Off Operation The temperature control has two primary modes PID mode and On Off mode The control is factory set in PID mode This mode is best for applications requiring excellent temperature stability 1 degree On Off mode can be used where faster run up and recovery times for batch style processing are desired and where a greater cyclical deviation from set point is not critical To place the control in On Off mode navigate level 1 in the functions menu Change the int t and der t function settings to oFF and the CyC t to on of Return to the temperature display by pressing the up amp down keys together for 3 seconds The control will now operate i
14. tracking data or GED in level 3 Lock Temperature setting against inadvertent adjustment B in level 1 Calibrate control temperature to an external standard GE in level 3 ga a g Auto Tune PID performance parameters Gg in level 1 FIG 3 To access the menu levels Press and hold both arrow keys until the tune off function prompt is displayed from within LEVEL 1 When in the function menu the LED display will alternate the function prompt with the current function setting when keys are released See menu entry point in Menu Guide below To navigate within the menu Press the down arrow to move Left into menu LEVEL SELECTION MEB level 1 FIG 3 Use up and down arrow keys individually to move right or left within a level Hold star key and up or down arrow keys to move up or down through levels 1 2 and 3 Note you must be at GRR prompt to move up down thru levels To change the function setting or to read function data if a read only function Once at the desired level function prompt press and hold the star key and press the up or down arrow key to change a function setting or to read alternate function data Release star key to set the function Press and hold the up and down keys together to return to temperature display or control will auto return in 60 seconds Functions Menu Ve Si C mE ees TEE C EE GEER A Caer GSS Cee GER OE EE PRESS Am EREA SAFETY SETTINGS CONTROL CALI
Download Pdf Manuals
Related Search