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Operating Instructions
For All WW Electric Burnout Furnaces
With Computerized Programmable Controllers
W13, W14, W18
And WTNFII-10, -19
Furnaces Manufactured by
Paragon Industries, Inc.
2011 S. Town East Blvd.
Mesquite, Texas 75149
800-876-4328
972-288-7557
Fax 972-222-0646
paragonind@worldnet.att.net
www.paragonweb.com
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OPERATING INSTRUCTIONS FOR ALL WW ELECTRIC BURNOUT FURNACES WITH COMPUTERIZED PROGRAMMABLE CONTROLLERS (W13, W14, W18) AND WW COMPUTERIZED PROGRAMMERS (WTNFII-10, -19) Computerized programming of burnout furnaces provides for simple push-button operation for controlling your furnace during the burnout process. All programmers contain 3 built-in burnout programs which may be used immediately by pressing a couple of keys, or you may create your own individualized custom program(s). Your p
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FURNACE GRATES & TRAYS For Wax Elimination Cycle The WW Furnace Grate and Tray simplifies burnout procedure. It is no longer necessary to remove flasks and tray, then replace flasks to avoid carbon build-up on heating elements, which is a primary cause of element failure. Now you merely slide the stainless steel tray(s) from beneath the grate at the end of the wax elimination cycle and proceed with burnout. you have removed 90% or more of
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INSTALLATION PROCEDURES FOR WW ELECTRIC BURNOUT FURNACES 1) W13 and W14 Furnaces require 240V - 20 Amp dedicated power supply and a NEMA NO: 6-20 receptacle or you can wire in direct with a breaker box nearby (USE A LICENSED ELECTRICIAN). W18 furnaces require 240V – 30 Amp dedicated power supply and a NEMA NO: 10-30 receptacle. 2) Set the furnace on a sturdy bench or table with a fire-proof top. Sides and back must be at least 12" from wall or side equipment. 3) The minimum voltage requi
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INSTALLATION FOR WW COMPUTERIZED PROGRAMMERS WTNFII-10 & WTNFII-19 1) Be sure that your programmer is the same voltage as your burnout furnace: WTNFII-10 - 240V WTNFII-19 - 120V Note - Do not plug in furnace or programmer at this time. 2) Mount programmer next to furnace. Holes are provided in the rear of the cabinet for hanging your programmer on the wall with screws. A wall outlet of the proper voltage and amperage with a dedicated line should be within 5 ft. (Do not use a
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PLACING FLASKS IN YOUR WW ELECTRIC BURNOUT FURNACE IMPORTANT NOTE: YOU MUST USE EITHER STEAM WAX ELIMINATION OR THE WAX ELIMINATION PROGRAM OF THE FURNACE. REMOVE THE WAX TRAY AFTER THE WAX ELIMINATION CYCLE HAS COMPLETED. FAILURE TO REMOVE THE WAX TRAY WILL CAUSE CARBON BUILD-UP ON THE EXPOSED ELEMENTS RESULTING IN PREMATURE ELEMENT FAILURE. THE ELEMENTS ARE NOT WARRANTED. When starting to load your furnace for wax elimination, be sure to use a tray to catch the melted wax. We
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PROGRAMMER DISPLAY The WW Computerized Programmer Display prompts the operator with various readings. The display may appear peculiar due to the construction of each character in the standard LED display. Reading that appear on the display and their descriptions are as follows. DISPLAY DESCRIPTION Ab R T Abort The firing was stopped. ALAR Alarm ALAR appears either when you are entering an alarm t
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Complete This means the firing completed as programmed. CPLT DELA Delay DELA is a timer that starts the kiln later. Delay time appears in hours and minutes. ˚F 1 Temperature This prompt which appears in Ramp-Hold programming, is asking for a target temperature. The number is to remind you which segment will use this target temperature. ELEC Electronics The Sentry circuit board is rated for operation at temperatures up to 158˚F/70˚C. When the circuit gets hotter, t
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PF 2 Power Failure The power failed. When power came back on, the temperature was below 212°F/100°C. Press [Abort}, then [Enter} to clear the display and return to “IdLE”. PF 3 Power Failure The power failed near the end of a firing. PF Power Failure There was a power failure during firing. The kiln continued firing after power came back on. PLOG Diagnostic Test Failure RA 1 Rate RA 1, RA 2, RA 3, etc., appears in Ramp-Hold programming, Program Review, and Pre
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SAFETY RULES The warranty on your WW Electric Burnout Furnace and the WW Computerized Programmer does not cover damage from overfiring, regardless of the circumstances. It is the operator's responsibility to make sure that the furnace turns off at the end of the firing. Follow the safety rules below in addition to the safety rules for your furnace. UNPLUG THE FURNACE WHEN NOT IN USE. DO NOT LEAVE THE FURNACE UNATTENDED NEAR END OF FIRING. WEAR FIRING SAFETY GLASSES WHEN LOOKI
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PERMANENT PROGRAM NO. 1 [ - EL - ] ( USED FOR WAX ELIMINATION ONLY ) The wax elimination program will heat at the rate of 1250 °°°°F (750 °°°°C) per hour for 15 minutes or until the temperature reaches 300 °°°°F (150 °°°°C). NOTE: AS MUCH AS 15 °°°°F (10 °°°°C) OVER- RUN MAY OCCUR. Then the program will hold 300 °°F (150 °°C) for one hour and turn itself off. You °° °° may stop the program at any time by pressing the “STOP” (#) key. A tray for trapping the wax must be used to protect
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PERMANENT PROGRAM NO. 2 [ 5Hr] This program operates the furnace for 1 hour at 300 °°°°F (150 °°°°C) and then advances slowly to 1350 °°°°F (730 °°°°C) over a period of approximately 2 hours, then holds that temperature for 1 hour. The programmer then lowers the temperature to 900 °°°°F (480 °°°°C) in a period of 1 hour and holds that temperature for 3 hours. NOTE: AT THE END OF THE 5 HOUR PROGRAM, WE HAVE BUILT IN 3 EXTRA HOURS OF HOLD TIME IN CASE THE OPERATOR IS NOT READY TO CAST IMME
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PERMANENT PROGRAM NO. 3 [ 12 Hr ] Before you use this program, you must first eliminate the wax with either steam or utilize PROGRAM NO. 1. After the wax has been removed you may load the furnace SPRUE HOLE UP or use our WWT13 or WWT18 Grate & Tray and the sprue holes can remain down. REMOVE WAX TRAY AT END OF FIRST HOUR. To start this program, see instructions below. The program begins with a slowly rising temperature from ambient to 1350 °°°°F (730 °°°°C) which requires approximate
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We feel that our 12 hour program ( No. 3 ), which is permanently programmed into your controller, is the best and most useful program for the average casting operation. You can load your furnace at 3 - 4 or 5:00 P.M. in the evening and arrive at 7 - 8 or 9:00 A.M. and cast. Many casters prefer to load and cast in a 8 hour workday. We also have a 5 hour program (No. 2) that has worked well for many years with flasks no larger than 4" to 5". Also, you have the option of creating your ow
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ENTERING A CUSTOM PROGRAM REMEMBER - ALL PROGRAMMING BEGINS WITH [ ldLE ] ON THE DISPLAY Putting a program into your controller is the easiest way to understand its function. Lets us begin with an 8 hour program. We use a slow steady rise in temperature to a maximum of 1350 °°°°F (730 °°°°C) in all programs (this is suggested by most investment manufacturers); then reduce the furnace temperature down to a casting temperature slowly. Since we only have 8 hours, we will use smaller d
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8) REMEMBER - The furnace must be attended for the first hour so that the wax tray can be removed (the use a of Steam Wax Eliminator will eliminate this). NOTE: FOR SAFETY REASONS - AN OPERATOR SHOULD BE IN ATTENDANCE AT ALL TIME. 9) All times are entered as follows: For 30 minutes Press 30 Display shows 00.30 For 1 hr. 15 min. Press 115 Display shows 01.15 For 2 hr. 45 min. Press 245 Display shows 02.45 * It is not necessary to put in the decimal. Your WW Computerized Program
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PROGRAMMING YOUR WW PROGRAMMER You can enter your preferred burnout cycle at any time to suit your operation. You can even add four more “Permanent Programs”. To make your own program remember “ALL PROGRAMMING BEGINS WITH [ ldLE } ON THE DISPLAY”. ACTION DISPLAY COMMENTS 1) Apply Power [ ldLE ] All programming begins with [ ldLE ] 2) Press 4 [ USEr ] Path to the USEr program 3) Press 1 [ 1 ] This assigns your custom program a number (use 1 thru 4) 4) Press ENTER [ r
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HOLD (SOAK) TIME “HOLD” or “SOAK” time means heat-soaking the flasks at the end of each segment. You can hold the temperature in each segment up to 99 hours and 99 minutes. PRESENT STATUS “PRESENT STATUS” shows where the furnace is during firing. This is specially useful for firing that have heating-up and cooling-down segments. To use “PRESENT STATUS”, press 5 on the key board during a firing. The current segment will display momentarily. SKIP SEGMENT “SKIP SEGMENT” wor
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SETTING THE ALARM DURING FIRING After you shut off the alarm during firing, you can set it to go off again later at either a higher temperature or a cool-down temperature. 1) While the furnace is firing, press 7 on the key board. 2) Enter the new temperature. 3) Press ENTER and the furnace will continue firing. POWER FAILURES After a brief power failure during firing, [ PF ] will display, alternating with the temperature. Even though it displays [ PF ], the furnace will conti
