14
MAN3038-2
DISCOVERY PRODUCT GUIDE
8.2
Product Codes
Product Description
EN54-5, LPS1274 & 1265
AS7240-5
Discovery CO / Heat Multisensor
58000-305AMP
4106-2009
8.3
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:
CO: Ambient carbon monoxide level
Heat: Temperature dependant resistance
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:
400µA 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
Operating Temperature:
Continuous 0°C to +50°C
Transient -20° to +55°C (no condensing or icing)
Operating Pressure:
Atmospheric pressure ±10%
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 on CO
Cell:
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
IP Rating:
44
Dimensions:
Detector: 100mm Dia x 54mm H, Detector in Base: 100mm Dia x 60mm 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