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aci A/TT100-LT-O-4 Installation & Operation Instructions

Low temperature outside air transmitter sensor
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LOW TEMPERATURE OUTSIDE
AIR TRANSMITTER SERIES SENSOR
Installation & Operation Instructions
PRECAUTIONS
• DO NOT RUN THE WIRING IN ANY CONDUIT
WITH LINE VOLTAGE (24/120/230 VAC).
MOUNTING INSTRUCTIONS
Separate the cover from the base. Attach the base
directly to the wall or to a standard 2" x 4" junction
box using the (2) #6-32 x 1" screws provided.
Take care when mounting. Check local code for
mounting height requirements. Typical mounting
heights are 48-60" (1.2-1.5 m) o the ground and at
least 1.5' (0.5 m) from the adjacent wall. The sensor
should be mounted in an area where air circulation is
well mixed and not blocked by obstructions.
*Reference FIGURE 2 (p. 2)
For optimal temperature measurement:
• Do not install on external walls.
• Avoid air registers, di users, vents, and windows.
• Avoid con ned areas such as shelves, closed
cabinets, closets, and behind curtains.
• Eliminate and seal all wall and conduit penetrations.
Air migration from wall cavities may alter
temperature readings.
• A thermally-insulated backing should be used when
tting to solid walls (concrete, steel, etc.). ACI part:
A/ROOM-FOAM-PAD
*Reference FIGURE 3 (next page)
• Do not install near heat sources, eg: lamps,
radiators, direct sunlight, copiers, chimney walls,
walls concealing hot-water pipes.
Refer to the Wiring Instructions (p. 2) to make
necessary connections. After wiring, attach the
cover to the base by snapping the top of the cover
on rst and then the bottom. Tighten the cover
down, using the (2) 1/16" Allen screws located in
the bottom of the housing. A 1/16" Hex driver is
needed to secure the cover to the base.
Automation Components, Inc.
2305 Pleasant View Road | Middleton, WI 53562
Phone: 1-888-967-5224 | Website: workaci.com
FIGURE 1: ENCLOSURE
DIMENSIONS
GALVANIZED (-GD, Transmitter)
2.41"
(61.21 mm)
BELL BOX (-BB, Sensor)
2.95"
(75.00 mm)
FIGURE 2: MOUNTING
DIMENSIONS
-GD Enclosure (Transmitter)
(27 mm)
(108.71 mm)
1.06"
(27 mm)
2.41"
(61.21 mm)
Page 1
Phone: 1-888-967-5224
Website: workaci.com
1.78"
(45.18 mm)
0.25"
(6.35 mm)
-BB Enclosure (Sensor)
1.06"
4.28"
1.59"
(40.39 mm)
3.18"
(80.77 mm)
Version: 2.0
I0000851
3.00"
(76.20 mm)

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Summary of Contents for aci A/TT100-LT-O-4

  • Page 1 FIGURE 2: MOUNTING • A thermally-insulated backing should be used when DIMENSIONS tting to solid walls (concrete, steel, etc.). ACI part: -GD Enclosure (Transmitter) A/ROOM-FOAM-PAD *Reference FIGURE 3 (next page) • Do not install near heat sources, eg: lamps,...

  • Page 2: Mounting Instructions

    +VDC other inductors, each coil must have an Voltage Output MOV, DC Transorb, Transient Voltage (1 to 5, 2 to 10VDC) Suppressor (ACI Part: 142583), or diode POTTED UNITS placed across the coil or inductor. The ZERO SPAN cathode, or banded side of the DC Transorb...
  • Page 3 WIRING INSTRUCTIONS (Continued) FIGURE 4: 3 WIRE RTD All ACI TT and TTM temperature transmitters can be powered from either an unregulated or regulated 8.5 to 32VDC power supply. The TT and TTM DO NOT support an AC input. All TT and TTM temperature transmitters are reverse polarity protected.

  • Page 4: Product Specifications

    WARRANTY The ACI Outside Air Series sensors and transmitters are covered by ACI’s Five (5) Year Limited Warranty, which is located in the front of ACI’S SENSORS & TRANSMITTERS CATALOG or can be found on ACI’s website: www.workaci.com. W.E.E.E. DIRECTIVE At the end of their useful life the packaging and product should be disposed of via a suitable recycling centre.

  • Page 5: Troubleshooting

    • Sensor check: Disconnect sensor wires from terminal block and check with ohmmeter. Compare the resistance reading to the Temperature vs Resistance curves located on ACI’s website. • Transmitter check: Make sure sensor wires are connected to terminal block. Determine that the proper output is being transmitted based on predetermined span: 1.
  • Page 6 NOTES Page 6 Automation Components, Inc. Version: 2.0 2305 Pleasant View Road | Middleton, WI 53562 I0000851 Phone: 1-888-967-5224 | Website: workaci.com...
  • Page 7 NOTES Page 7 Automation Components, Inc. Version: 2.0 2305 Pleasant View Road | Middleton, WI 53562 I0000851 Phone: 1-888-967-5224 | Website: workaci.com...
  • Page 8 Automation Components, Inc. 2305 Pleasant View Road Middleton, WI 53562 Phone: 1-888-967-5224 Website: workaci.com Page 8 Automation Components, Inc. Version: 2.0 2305 Pleasant View Road | Middleton, WI 53562 I0000851 Phone: 1-888-967-5224 | Website: workaci.com...

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