Spec Sheet

12-Series Specifications
• Power: 100-240VAC (50 TO 60 HZ)
• Current: 1.0 A MAX
• Shipping Weight: 1 pound (0.45 kg)
• Size: 4 1/2 x 4 x 2 1/8 in. (11.4 X 10.2 X 5.4 cm)
• Color: Dark gray
• Connections: plugs/terminals
• Mounting box: (not included) 4x4 electric
• Fan relay: 5 A, 240 VAC, pilot duty, SPDT, latching or non-latching
• Fan relay actuation: Selectable within sensor range
• Fan Delay Settings of 0, 1, 3 (default), 5 and 10 minutes
• Fan Minimum Runtime settings are OFF (default), 3, 5, 10 or 15 minutes
• Alarm relay: 0.5A 120 V, 60 VA
• Alarm relay actuation: selectable N.O. default or N.C.
12-Series Rear View
• Alarm relay settings: Selectable within sensor range
• Current Loop, 4-20 mA
• Operating Environment: 0°F to 125° F (-18°C to 52°C).10 to 90% RH
Options
CM-12 Carbon Monoxide (CO) Range: 0-200ppm, Default Relay Settings: Fan - 35ppm, Alarm - 200ppm
GD-12 Combustibles (EX) Range: 0-50% LEL, Default Relay Settings: Fan - 10% LEL, Alarm - 20% LEL
TX-12-ND Nitrogen Dioxide (NO2) Range: 0-20ppm, Default Relay Settings: Fan - 2.5ppm, Alarm - 5.0ppm
TX-12-AM Ammonia (NH3) Range: 0-100ppm, Default Relay Settings: Fan - 25ppm, Alarm - 75ppm
TX-12-HS Hydrogen Sulfide (H2S) Range: 0-50ppm, Default Relay Settings: Fan - 8ppm, Alarm - 20ppm
RD-12 Refrigerants (REF) Range: 0-1,000ppm, Default Relay Settings: Fan - 100ppm, Alarm - 300ppm
CD-12 Carbon Dioxide (CO2) Range: 0-5,000ppm, Default Relay Settings: Fan - 1,000ppm, Alarm - 3,000ppm
OX-12 Oxygen (O2) Range: 0-25% by volume, Default Relay Settings: Fan - 20.2%, Alarm -19.5%
Made in the U.S.A. with US and imported materials
© Aerionics 2014. All rights reserved.
Macurco is a trademark of Aerionics, Inc.
Made in the USA
TYPICAL CONNECTION OF THE 12-SERIES
N.C.
or
N.O.
A B N.O. COM N.C.
Auxiliary functions
such as dialers. N.O. or N.C. initiating circuit
ALARM RELAY
POWER
100-240VAC
coil
SPDT FAN RELAY
Exhaust Fan
MAIN FAN
POWER
Relay
110VAC
coil
12-Series
Alarm Control
Panel
4-20 mA
Loop
+
-
MAIN
POWER
L N