STATUS CHART

MECHANICAL SPECIFICATIONS

Tolerances: ±0.02 in / 0.5 mm

All dimensions are in: inches [millimeters]

Top/Bottom view (Fig. 1)

Fig. 1

TERMINAL SCREW TYPE

INPUT

STATUS

XXXX

IND. CONT. EQ.

DRH3

1.23

[31.3]

2.29

[58.3]

2.58

[65.5]

1.68

[42.7]

3.41

[86.7]

1.78

[45.3]

3.76

[95.6]

3.51

2.91

[73.9]

0.23

[5.8]

+A1

-A2

13

+A3

14

-A4

Blue

LED Color

Green

Red

1, 15

2, 14

3

4, 12

5, 11

6, 10

7

8

9

13

Initial Condition

Stand by condition. LED is blinking Blue. Fan is activated at full speed for 2 seconds after power is applied to A3

A1 is On, Output is activated, temperature rises. LED is Green

Fan is activated at 50% speed. If A1 is disabled, LED changes to blinking Blue

Fan is at 75% speed

LED changes to blinking Red, fan is at full speed

Output is Off, Alarm Output is On, LED changes to solid Red

If A1 is disabled while alarm output is active, LED alternates between Blue and Red

LED is solid Red, temperature starts to fall

Fan is activated at 50% speed, temperature is steady

Description

Step

Fan Speed

LED Color

Alarm Output

Over Temperature

Output

Power Supply A3

Control Input A1

Alarm

Pre-alarm

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

3s

3s

2s

50%

50%

75%

75%

100%

100%

0%

3s

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Copyright © 2017 Crydom Inc. Specifications subject to change without notice.

Datasheet

DIN Rail Mount