Chromalox 3901 User Manual download pdf (Page 12)

10 Chromalox 3901 User’s Manual

Figure 3.1

Front Panel

Identification

READ

TEMP

ALARM

°F

RESET

SET POINT

8 5 4

Hold Pushbutton to

Display Process

Temperature

Release Pushbutton

to Display Set Point

Overrange and Open

Sensor Indicator

Pushbutton to

Reset Latching

Overtemperature

Alarm

Set Point

Adjustment Knob

LED Indicates

Alarm Condition

Digital Display for

Alarm Set Point and

Process Temperature

Alarm

Set Point

Adjust Set Point—To adjust the alarm set point,

locate the SET POINT adjustment behind the front

door flap. Insert a screwdriver in the hole in the

knob, and turn the SET POINT knob until the

desired set point appears in the digital display.

Alarm

Reset

To reset the latching alarm relay, press the RESET

switch located behind the front door flap. If you

attempt to reset the alarm before the process

temperature has reached a normal state (below set

point), the RESET pushbutton will be ineffective.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Chromalox 1
Table of Contents 2
Section 1 3
Introduction to the 3
3901 Controller 3
Section 2 5
Installation 5
Loosen screw 6
Figure 2.3 7
Mounting 7
Figure 2.4 9
Connections 9
Section 3 11
Operation 11
Figure 3.1 12
Front Panel 12
Identification 12
Screwdriver 14
Section 4 15
Calibration 15
Section 5 17
Specifications 17
Section 6 19
Warranty and Return 19

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Chromalox 3901 User Manual Page 12

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