Noby UK Noby-420 2-Zone - Manual (Page 9)

Noby-420 Installation & Programming Instructions Rev3 Page 9 of 12
NOBY-420 SPECIFICATION
Power Supply Unit Value Unit Comments
Mains Supply Voltage 230 +10% -6% VAC
Mains Supply Frequency 50 / 60 Hz
Mains Power Rating 40 VA
Nominal Battery Voltage 24 volts
Regulated PSU charger voltage 27.3 volts
Regulated PSU charger current
• 20 minute rating
• continuous 1.5
1.0 A
A
Fused Outputs:
F1 Aux
24v
F2 Sounder 1 Circuit
F3 Sounder 2 Circuit
F4 Battery +’ve
F5 30VAC Transformer Secondary
1.0
1.0
1.0
3.0
2.0 A
A
A
A
A
F1A
20mm Quick Blow
F1A 20mm Quick Blow
F1A 20mm Quick Blow
T3A 20mm Slow Blow
T2A 20mm Slow Blow
Standby Battery Current: 60 mA 2 zone + 2 sndr EOL resistors fitted
Low Voltage Monitor 21.0 volts
Battery Capacity Monitor Yes 10s load test every 12hrs
Zone Circuits Value Unit Comments
Detection Zones 2
No. Detectors Per Zone 20 based on 100uA per detector
End Of Line (EOL) Resistor 4700 ohms
Open Circuit Monitoring R > 10,000 ohms
Short Circuit Monitoring R < 150 ohms
Fire Alarm Detection 150 < R< 1600 ohms
Head Removal Monitoring Yes
• requires schottky diode bases
• sampled at 60s intervals
Sounder Circuits Value Unit Comments
Sounder Circuits 2
Maximum No. Sounders Per Circuit 50 based on 20mA per sounder
Maximum No. Sounders Total 62 based on 20mA per sounder
End Of Line (EOL) Resistor 4700 ohms
Open Circuit Monitoring > 10,000 ohms
Short Circuit Monitoring < 1K ohms
Fire Alarm DPDT Relay 1.0 A rated at 1.0A/30Vdc per contact set
Signal Inputs Value Unit Comments
Class Change “CC” 200 kohm 24volt +’ve going signal
Fault Input 200 kohm 24volt signal (polarity programmable)
Cabinet Value Unit Comments
Dimensions (width x height x depth): 335 x 325 x 75 mm 1.2mm powder coated steel
Shipping Weight 4.2 kg