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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 approximately 8½ hours. The
program then holds that temperature for 2 hours, and then reduces to a casting temperature of 900
°
°°
°
F (480
°
°°
°
C) and holds for 5 hours. Total time is 15 to 16 hours depending upon your load in the
furnace.
ENTER PROGRAM NO. 3 [ 12 Hr ] AS FOLLOWS:
ACTION DISPLAY
1) Apply Power [ ldLE ] alternating with current furnace temperature
2) Press “1” [PROG] alternating with [EL}
3) Press “3” [12 HR]
4) Press “ENTER” [ ldLE ] alternating with current furnace temperature. Program saved.
5) Press “ENTER” [STRT] The furnace starts firing cycle.