Omega Engineering OMA-VM520 Programming the Alarm Input, Interpreting the Display, 1 ok, 2 ok

Models: OMA-VM520-DCP OMA-VM520

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Interpreting the Display

Interpreting the Display

Start Up

When starting up, the Four Zone Temperature Monitor checks each temperature sensor input to verify that a sensor is connected.

If a sensor is connected and has a reading within range, “ok” will be printed next to that sensors label.

If a sensor is not connected or has a reading out of range, “n/c” will be printed next to that sensors label.

Sensor Present

1: ok

Sensor Present

2: ok

Sensor Not Detected

3: n/c

Programming the Alarm Input

The Alarm Input is a dry contact alarm input which will go into alarm condi- tion and generate alert callouts if a switch or contact is closed across the input for longer than the programmed alarm time delay. Note that when system power is off, the relay and alarm will not operate.

a)From the Main Menu, press 2 to set Limits

b)You will hear “Enter Sensor Number

c)Enter 5

►To return to the Main Menu press 0

d)You will hear “Alarm Input callout time delay is xx minutes press 1 to change” (default 0 minutes)

e)Press 1 to make a change or press any other button to not make a change

f)You will hear “Enter number then press pound”

g)Enter the time delay in minutes (i.e. 15 for 15 minutes or 0 minutes for

an immediate callout)

► Acceptable range is 0 to 900 minutes

Sensor Not Detected

Sensor Reading

4: n/c

You will hear the value you just entered

h) You will be returned to the Set Limits Menu

The Four Zone Temperature Monitor continuously displays all temperature measurements, and the highest and lowest recorded temperatures of each sensor on the right hand side of the screen.

The ">" symbol means that the

 

 

temperature is greater than the

No > or < symbols means

programmed limit

that the temperature is

 

within limits

Current Temperature

 

 

Sensor number

 

 

1: 501 >

SNR 1

2: 200

H

510

3:

L

370

4:

18:45

Sensor 1's max and min temperature reading since the unit has been on

This is the highest

recorded

temperature

This is the lowest

recorded

temperature

The amount of time the sensor has been out of limits

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Omega Engineering OMA-VM520 Programming the Alarm Input, Interpreting the Display, 1 ok, 2 ok, 3 n/c, 4 n/c, Start Up