Chromalox 3901 User Manual download pdf (Page 6)

4 Chromalox 3901 User’s Manual

To remove the back cover, loosen the two back cover

screws shown in Figure 2.1 and lift the cover off of

the controller chassis.

Loosen screw

After completing the internal adjustment(s), replace

the cover and re-secure the two screws.

Step 2

Mounting

The controller should be mounted in a location free

from excessive dust, oil accumulations and moisture.

It may be mounted in any position at ambient

temperatures of 30°F to 130°F (0°C to 55°C).

Figure 2.2 gives the mounting dimensions for the

controller.

Chromalox

READ

TEMP

ALARM

3.8

(96)

3.8

(96)

2.4

(61)

(19)

3.6

(92)

3.5

(89)

PANEL CUTOUT

Measurements are shown in inches.

Millimeters are shown in parenthesis.

Figure 2.2

Mounting

Dimensions

Figure 2.1

Removing the

Back Cover

WARNING

TO REDUCE THE RISK OF FIRE OR ELECTRIC

SHOCK, PANEL MOUNT IN A CONTROLLED

ENVIRONMENT ENCLOSURE RELATIVELY FREE

OF CONTAMINANTS.

HAC

LAC/N

120 V AC

230 VAC

5 VA

CASE GND

REMOTE

RESET

INTERNAL

ALARM

RELAY

LISTED

35MO

20A RES 55 C 120/230 VAC

RELAY RATING

APPROVED

TC INPUT

NOTE: USE COPPER CONDUCTORS ONLY

1 2 3 4 5 6 7 8 9 10 11 ... 19 20

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Chromalox 3901 User Manual Page 6

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