Whip Mix ProPress SP Operator'S Manual Download Page 19

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ProPress SP

Furnace Operations Manual

11. Hold Temperature

Hold Temperature or the top temperature is the final,
highest temperature in a 1-Stage Program, and an
intermediate stopover temperature in a 2-Stage
Program.

The range of values is 400° C (752° F) to a maximum
of 1200° C (2192° F).

Rotate the

Selector Knob

to select the temperature

value, then push the

Selector Knob

OR press the

Next

button to store the parameter.

12. Hold Time

Hold Time is the length of time the furnace stays at
the top Hold Temperature. If the Program is a 2-Stage
Program, there will be separate Hold Times for both
Hold Temperature 1 and Hold Temperature 2.

The range of values is 00 hours, 00 minutes, 00 seconds,
to a maximum of 18 hours, 10 minutes, and 00 seconds.

Rotate the

Selector Knob

to select the time value,

then push the

Selector Knob

OR press the

Next

button to store the parameter.

NOTE: IF YOU ARE ADDING A 2-STAGE PROGRAM, THE RATE
RISE 2, FOLLOWED BY THE HOLD TEMPERATURE 2, AND
THE HOLD TIME 2 PARAMETERS WILL APPEAR HERE. IF
NOT, THE TABLE DOWN TEMPERATURE WILL APPEAR NEXT.

13. Program Fusing Adjustment Parameter

The display will show the current offset. For new furnaces
this should be “0”. If the Selector Knob is rotated
clockwise note that the “0” value changes to a positive
value, and if rotated counter-clockwise it changes to a
negative value. If you need to raise your program firing
temperature, you can dial in a positive value then press the
Next key to accept the offset value. Conversely, if you want
to lower your program firing temperature, dial in a negative
value and press the Next key to accept the offset value.

Why do you need program fusing adjustments?

The Program level

Fusing Adjust

is useful for making

minor adjustments to a single, specific Program without
altering the original Program design.

All furnaces have individual firing characteristics, even with
identical settings. The Special Functions High/Low Fusing

15. Cool Time
The

Cool Time

parameter specifies the length of

time the table takes to go from the full up position
to the full down position, with several intermediate
pauses along the way.

The range of values is 00 hours, 00 minutes, 00 seconds,
to a maximum of 1 hour, 39 minutes, and 00 seconds.

Rotate the

Selector Knob

to select the time value,

then push the

Selector Knob

OR press the

Next

button to store the parameter.

Adjustment features are useful for matching the firing
characteristics of two furnaces so that they fire identically.

At the initial Program Addition, you will want to use
the original suggested Program parameters, until your
experience suggests a Program specific adjustment is
indicated.

14. Table Down Temperature
The

Table Down Temperature

is the temperature at

which the table will open after the

Hold Time

expires.

The range of values is 25° C (77° F) to a maximum of
the final temperature.

Rotate the

Selector Knob

to select the temperature

value, then push the

Selector Knob

OR press the

Next

button to store the parameter.

16. Use Vacuum

The default value for Use Vacuum is

YES

First, enter the

Level of Vacuum

desired. This is

the value at which the pump will cut off if you are
using Intermittent Vacuum (See

Special Functions

selections for choosing Intermittent or Constant
Vacuum) If the value drops more than 2 cm of mercury
lower than the value specified here during Intermittent
Vacuum use, the vacuum pump will automatically
start and run until the programmed Level is once again
reached, then automatically cut off. This will occur as
many times as required.

The range of Vacuum Level settings is 28 cm of
mercury to a maximum of 75 cm of mercury, although
pumps weaken over time and usage. 71 cm of mercury
is the default Level.

Rotate the

Selector Knob

to select the vacuum

value, then push the

Selector Knob

OR press

the

Next

button to store the parameter.

Add/Edit Program

Cool Time

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