Spec Sheet
• Power: 3 W (max) from 12 to 24 VAC or 12 to 32 VDC
• Current @ 24 VDC: 75 mA in alarm, 50 mA fan relay on and 23 mA stand by
• 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
• Fan relay actuation: selectable at OFF, 0.2, 0.5, 0.7, 1.0, 1.2, 1.5, 1.7,
2.0, 2.2, 2.5 (default), 2.7, 3.0, 3.2, 3.5, 3.7, 4.0, 4.2, 4.5, 4.7, 5.0 ppm
• 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.
TX-6-ND Rear View
• Alarm relay settings: 1 - 20 ppm NO2
• Current Loop, 4-20 mA for 0-20 ppm NO2
• Operating Environ: 0°F to 125° F (-18°C or above 52°C).10 to 90% RH
Location
A TX-6-ND is normally mounted at breathing level, about 5 feet (1.5 meters) above the floor on a wall or column
in a central area where air movement is generally good. The unit, on average, can cover about 5,000 sq. ft.
(465 sq. meters). The coverage depends on air movement within the room or facility. Extra detectors may be
needed near any areas where people work or where the air is stagnant. The TX-6-ND mounts on a 4x4 electrical
box supplied by the contractor. Do not install the TX-6-ND inside another box unless it has good air flow through
it. Do NOT mount the TX-6-ND where the normal ambient temperature is below below 0°F or exceeds 125°F
(below -18°C or above 52°C).
TYPICAL CONNECTION OF TX-6-ND
N.C.
N.O.
AC or DC
No Polarity
A
B
N.O.
COM
N.C.
Auxiliary functions
such as dialers.
N.O. or N.C.
initiating circuit
12 or 24 V power
battery backed up
ALARM
RELAY
POWER
12 or 24 V
coil
SPDT fan
RELAY
Exhaust
Fan
MAIN FAN
POWER
RELAY
12 or
24 V
coil
TX-6-ND
Alarm Control Panel
4-20 mA
Loop
+
-
TYPICAL COVERAGE 5,000 SQUARE FEET
Gas Detection Experts
Made in the U.S.A. with US and imported materials
© Aerionics 2012. All rights reserved.
Macurco is a trademark of Aerionics, Inc.
TX-6-ND Specifications