18
MAN3038-2
DISCOVERY PRODUCT GUIDE
9.3
Technical Data:
Specifications are typical and given at 23°C and 50% relative humidity unless specified otherwise.
Detector Type:
Point type detector for fire detection and alarm systems for buildings
Detection Principle:
Ambient carbon monoxide level
Supply Wiring:
Two wire monitored supply, polarity insensitive
Terminal Functions:
L1 and L2 supply in and out connections
+R remote indicator positive connection (internal 2.2K
Ω
resistance to positive)
-R remote indicator negative connection (internal 2.2K
Ω
resistance to positive)
Supply Voltage:
17 - 28V DC
Communication Protocol
Apollo Discovery 5-9V peak to peak
Quiescent Current:
300µA at 24V DC
Power-up Surge Current:
1mA
Maximum power up time:
10s
Alarm Current, LED on:
3.5mA
Remote output
characteristics:
Connects positive line through 4.5K
Ω
(5mA maximum)
Clean-air analogue value:
25 ±2
Alarm level analogue
value:
55
Alarm Indicator:
2 Light Emitting Diodes (LEDs); illuminating red in alarm. Optional remote LED
Storage Temperature:
Cont10 to +30°C
Transient: -40°C to +55°C (no condensation or icing)
Operating Temperature:
Continuous 0°C to +50°C
Transient -20° to +55°C (no condensing or icing)
Operating Pressure:
Suitable for installation up to 2,000m above sea level
Operating Humidity:
Continuous 15 to 90% relative humidity; Transient 0 to 99% relative humidity
Effect of Temperature on
CO Cell:
Less than 15% change in sensitivity over rated range
Effect of Wind:
None
Minimum CO Cell life:
7 Years (assumes regular checks are satisfactory)
Transport Pressure:
If air freighted this detector should be carried in a pressurized hold
Vibration, Impact &
Shock
To EN54-7: 2000
IP Rating:
54 in accordance with BSEN60529
Dimensions:
Detector: 100mm Dia x 42mm H, Detector in Base: 100mm Dia x 50mm H
Weights:
Detector 105g, Detector in Base:160g
Material:
Detector housing: White polycarbonate rated V-0 in accordance with UL 94.
Terminals: Nickel plated stainless steel