Sensor Type; Alarm Set Point; Warning Set Point - Macurco DVP-120 User Instructions

This display example shows that the sensor on channel 01 has been configured as a Carbon Monoxide sensor with an Alarm level of
200 ppm and a Warning level of 50 ppm.
Notice that the sensor number, 01 in this example, is underlined. This indicates that the digit keys can be used to jump to a particular
channel, even if there is no sensor connected to the channel.
3.3.3.2

Sensor Type

This display example shows that the sensor on channel 01 has been configured as a Carbon Monoxide sensor. The valid entries for
Macurco type sensors are Carbon Monoxide (CO), Nitrogen Dioxide (NO2), Combustible Gas (EX), Ammonia (NH3), Hydrogen Sulfide
(H2S), Refrigerants (REF), Carbon Dioxide (CO2) and Oxygen (O2).
Setting the sensor type to 0 (zero) will cause the display to ask if the user wants to DELETE the sensor. If the answer is yes, the
configuration record for this sensor channel will be deleted and the channel will no longer be used to control the ventilation system.
When a sensor's type is changed, the alarm level, warning level and range will be set to the default for the sensor type.
The following three parameters are not accessible until a sensor type of 1, 2 or 3 is selected.
3.3.3.3

Alarm Set Point

The default alarm levels for the sensors are:
Carbon
Description
Monoxide
Alarm Level 200ppm
Setting an alarm level of 0 (zero) will disable alarm detection for this particular sensor.
3.3.3.4

Warning Set Point

The default warning levels for the sensors are:
Carbon
Description
Monoxide
Warning Level 100ppm
Setting a warning level of 0 (zero) will disable warning detection for this particular sensor.
S e n s o r
T y p e : 1
Figure 3-26 Sensor Type
S e n s o r
A l a r m :
Figure 3-27 Sensor Alarm Level
Nitrogen Combustible
Dioxide Gas
5ppm 20%
S e n s o r
W a r n i n g :
Figure 3-28 Sensor Warning Level
Nitrogen Combustible
Dioxide Gas
3ppm 15%
0 1 C O
0 1 C O
2 0 0 p p m
Hydrogen
Ammonia
Sulfide
75ppm 20ppm
0 1 C O
_ 5 0 p p m
Hydrogen
Ammonia
Sulfide
50ppm 14ppm
26
Carbon
Refrigerants
Dioxide
300ppm 3,000ppm
Carbon
Refrigerants
Dioxide
200ppm 2,000ppm
Oxygen
19.5%
Oxygen
20.0%