COSMOS NV-520 Multi-point LPG Gas Alarm System (LPG)

Connected Detector Head Sensor Type : Catalytic

Target Gas : LPG

Power Supply Voltage :

AC specifications: AC100V to 240V ± 10 %, 50/60 Hz

DC specifications: DC24V ± 10%

Power Consumption :

AC specifications:

2-point: 12 to 15.6 VA

4-point: 22.4 to 29.2 VA

8-point: 44.8 to 58.3 VA

12-point: 67.3 to 87.5 VA (+4.0 to 6.0 VA with backup power source)

DC specifications:

2-point: 9.6 to 12.5 W

4-point: 17.9 to 23.3 W

8-point: 35.8 to 46.6 W

12-point: 53.8 to 70.1 W

Output :

Bundled:

Signal output: Voltage output DC0-6-12V

1st stage alarm contact output: 1a no-voltage AC250V 2A, DC30V 2A (resistive load)

2nd stage alarm contact output: 1a no-voltage AC250V 2A, DC30V 2A (resistive load)

Buzzer contact: 1a no-voltage AC250V 2A, DC30V 2A (resistive load)

Individual:

Signal output: Voltage output DC0-6-12V

1st stage alarm contact output: 1a no-voltage AC250V 2A, DC30V 2A (resistive load)

2nd stage alarm contact output: 1a no-voltage AC250V 2A, DC30V 2A (resistive load)

Power source output for pump: DC24V max. 0.3A

Alarm Display and Sound :

1st alarm:

[ALARM] LED flashes red

LCD display (orange)

Buzzer sound (slow intermittent sound)

Voiced warning: "gas leak"

2nd alarm:

[ALARM] LED flashes red quickly

LCD display (red)

Buzzer sound (fast intermittent sound)

Voiced warning: "gas leak"

Fault Display and Sound :

[FAULT] LED flashes yellow

Error message display

Buzzer sound (fast intermittent sound)

Voiced warning

Alarm Set Value :

AL1: 25 % FS

AL2: 50 % FS

or AL1, AL2: 25 % FS

Alarm Delay : Dependent on connected detector head specifications

External Dimensions (excluding protrusions) :

2-point type without backup power supply: W221 mm × D71.5 mm × H338 mm

2-point type with backup power supply: W299 mm × D71.5 mm × H338 mm

4-point type: W299 mm × D71.5 mm × H338 mm

6-point and 8-point types: W496 mm × D71.5 mm × H338 mm

10-point and 12-point types: W644 mm × D71.5 mm × H338 mm

Optional Backup Power Supply :

After a power outage, the system continuously monitors for approximately 120 minutes.

It then switches to intermittent backup monitoring (approximately 70 seconds every 15 minutes).

Intermittent Monitoring Period : Up to 2 days

Datasheet

Manual