26
High” alarm is the only alarm value which can
be changed. To change it, press the SCROLL
button until “idHi” appears on the display.
Press the UP or DOWN button to select the
OTP value you desire. We recommend a
value of 20° above your working temperature
to provide protection for your workload.
To Operate the Controller as a
Single Setpoint Controller
1.
Switch the circuit breaker to the “ON”
position. The setpoint temperature
presently set in the controller will
appear in the lower display. (The
upper display indicates the actual
chamber temperature.)
2.
To change the setpoint, press the UP
or DOWN button until the desired set-
point value is displayed; then release
the button.
3.
The furnace will begin to heat if the
new setpoint temperature is higher
than the present chamber tempera-
ture.
Programming the Controller
The controller is capable of varying tempera-
ture or process value with time through pro-
gramming. A program is stored as a series of
segments and can be run once, repeated a
set number of times or run continuously. To
create a customized program using the con-
troller parameters listed under “Controller
8 S
EGMENT
& 4
X
16 S
EGMENT
P
ROGRAMMABLE
M
ODELS W
/OTP
