Brookfield Temperature Controller, Model 75 - Manual (Page 6)

Brookfield Engineering Labs., Inc. Page 6 Manual No. M/98-205-A0100
IV. CONTROL KEYS AND DISPLAY PANEL
The front panel of the unit which includes all user controls and status indicators is shown in
Figure 2:
RUN HEAT
SET
RUN
STBY
Temperture Controller
°
F
°
C
Figure 2
The digital display is used to set temperature values, to show system status during operation and
to present certain messages to the user.
The allowable range for temperature entries is from 0
°
C to 300.0
°
C (32.0
°
F to 572.0
°
F), with a
minimum increment of 0.1
°
(either scale). If a proposed temperature value is above the maxi-
mum or below the minimum input, an audible sound (beep) will be heard and the current maxi-
mum (or minimum) value will be displayed.
The various buttons and light emitting diodes (LED’s) have the following functions or meanings:
IV.1
°
F
°
C
The
°
F/
°
C Key
This key is used to toggle the units in which temperature is displayed and entered. The rightmost
digit in the main display indicates the units currently being used (F = Fahrenheit; C = Centi-
grade).
IV.2
RUN
STBY
The RUN/STBY Key
The RUN
STBY
key initiates or stops operation of the Model 75 Controller. To initiate a temperature
setpoint operation, press RUN
STBY
. The LED labeled “ RUN ” will light up to indicate the present status
of the controller. When the Temperature Controller is operating, pressing the RUN
STBY
key will place
the unit in a standby mode and cease control of the Thermo Container.