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2.4 Features
LCD display showing the status of each transducer and relay
•
External keypad for user selection of the transducer/alarm display and setting the configuration (password
•
protected)
Up to three ventilation control zones can be defined
•
Each zone can be controlled based on transducer signals and/or time of day
•
Each relay is configurable with a delay before activation and minimum on time
•
Fail-safe operation can be implemented
•
Lockable NEMA 1 type enclosure
•
Modular input and output connectors
•
One RS-485 digital input channels - 87 addressable sensors RS-485 digital output channel for BACnet
•
Compatible with all Macurco 6-Series gas detectors and MRS-485 adapter
•
Twelve analogs (current loop) input channels
•
Three 10A, 240 VAC SPDT Dry Contact relays
•
24VDC Powered Relays for external Horn and Strobe
•
ETL Listed to UL 508A, CAN/CSA-C22.2 No. 14-13
•
BTL Listed
•
2.5 Specifications
Size:
•
Weight:
•
Enclosure:
•
Operating Temperature:
•
Operating Humidity:
•
Power Input:
•
Relay Rating (3):
•
LCD Display:
•
Status Indicators (LED):
•
Audible indicator:
•
External Drivers (2):
•
Carbon Monoxide (CO) Range:
•
Nitrogen Dioxide (NO
•
Combustible (EX) Range:
•
Ammonia (NH
) Range:
•
3
Hydrogen Sulfide (H
•
Refrigerant (REF) Range:
•
Oxygen (O
) Range:
•
2
Carbon Dioxide (CO
•
Wild Card (WC) Range:
•
Relay on Delay:
•
Relay Minimum Run Time:
•
10.5" x 12.5" x 2." (267 mm x 318 mm x 51 mm)
6 ½ lb (2.9 kg)
NEMA 1 Type
32° to 104°F (0° to 40°C)
0% to 95% RH non-condensing
90 – 250 VAC, 1 Amp, 47 – 63 Hz, single phase
SPDT, 120/240 VAC, 10 A resistive
2 rows of 16 characters with backlight
Power, ALARM/warning, Hush, Relay 1, Relay 2 & Relay 3
Internal buzzer, 90 dBA at 1ft
24VDC, maximum 250 mA
0 – 200ppm
) Range:
0 – 20ppm
2
0 – 50% LEL
0 – 100ppm
S) Range:
0 – 50ppm
2
0 – 1,000ppm
0 – 25% v/v
) Range:
0 – 5,000ppm
2
Variable
0 – 15 minutes in 1 second increments
0 – 15 minutes in 1 second increments
6
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