Specifications

a few times, note that the amber furnace cycle light will

go out while the door is open. If the furnace cycle light

does not go out while the door is open, consult the

Troubleshooting section before proceeding.

Parameters

Pnr - Program Number. The program number of the pro-

gram you are going to work with. By pushing the up or

down button you can select a program numbered from 1

to 4.

PR1 - Program Ramp Rate. The rate of heat increase or

decrease in °C/minutes. Pushing the up or down button

will give current setting of this ramp.

PL1 - Program Level. The temperature to which the fur-

nace needs to attain. Push up or down button to set.

PD1 - Program Dwell 1. Amount of time in minutes to

hold PL1 program level temperature entered. Push up or

down button to set.

You will use the same descriptions and procedures used

for PR1, PL1, PD1 for the remaining Program Ramp

Rates PR2 - PR8, Program Levels PL2 - PL8, and Pro-

gram Dwells PD2 - PD8.

Cnt - Continue. Allows linking of programs. You may se-

lect Cnt as “y” (yes) or “n” (no) by pushing the up or down

button.

HB - Holdback. Automatically places the programmer

into “Hold” if the measured value deviates more than a

specified amount from programmer set point. When mea-

sured value re-enters the holdback band, the timing for

the segment resumes. (Parameter is expressed in °C and

only functions when running a program). Push up or down

button to set.

PLC - Program Loop Count. The number of times a pro-

gram will be repeated. Push up or down button to set.

SP1 - Set point One. Indicates current set point. Push up

or down button to set.

MULTI-PROGRAMMABLE MODELS

Note

The two center push buttons are inac-

tive and not used.