Emerson RLDS, Installation And Operation Manual

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24 • RLDS I&O Manual 026-1309 Rev 8
Monitoring Distance
1200 ft. (365 meters) maximum for combined length of exhaust

tubing (each zone)
Conditioned Signal
Dual optional 4-20mAdc isolated outputs. Channel 1 = zone area,

Channel 2 = PPM
Alarms
Four SPDT alarm contacts rated 2A at 250 VAC (inductive) 5 A at 250 VAC
(resistive). Three are assigned to PPM level alarms, one assigned to system
faults.
Communications
Full two-way communication with Building Management System via RS-485
serial interface. RS-232C communication port standard.
Power Safety Mode
Fully automatic system reset. All programmed parameters retained.
Operating Temp
32°F to 122°F (0°C to 50°C)
Ambient Humidity
5% to 90% RH (non-condensing)
AC Power
100 to 240 VAC, 50/60 Hz, 20 W
Certification
UL 61010-1, CAN/CSA 22.2 No. 61010 & CE Mark
Warranty
2 years from date of shipment
Altitude Limit
6,562 ft (2,000 m)
RLDS-CO
2
Hardware Specifications
Product Type
The RLDS-CO
2
provides multiple area monitoring for low level continuous
monitoring of carbon dioxide gases used in most commercial systems. System
design supports compliance to the gas monitoring requirements of ANS/BSR
ASHRE 15-1994.
Gas Library:
Carbon Dioxide (CO
2
)/R-744
Sensitivity
10 PPM
Measuring Range
300-8,000 PPM
Accuracy
*
Most gases ±5 PPM ±5% of reading from 300-1000 PPM, ±10% of reading
from 1001-3000 PPM

*
At reference environmental conditions (77°F/25°C, 45% RH

non-condensing, 1 ATM)
Table 6-2 - RLDS-CO
2
Specifications
Hardware Specifications
Table 6-1 - RLDS Specifications