Aci ACCESS series Istruzioni per l'installazione

Automation Components, Inc.

2305 Pleasant View Road | Middleton, WI 53562

Phone: 1-888-967-5224 | Website: workaci.com

Page 1

Version: 5.0

I0000812

FIGURE 1: ENCLOSURE

DIMENSIONS

OUTDOOR SERIES

Installation & Operation Instructions Phone: 1-888-967-5224

Website: workaci.com

PRECAUTIONS

• DO NOT RUN THE WIRING IN ANY CONDUIT

WITH LINE VOLTAGE (24/120/230 VAC).

GENERAL INFORMATION

The outside air sensor is a single point temperature

sensor that is designed for use with electronic

controllers in commercial heating and cooling

building management systems. It is available with

multiple thermistor or RTD options.

For optimal temperature readings, follow these

tips:

•Avoid mounting to chimney walls, above windows,

above vents, near doors, or dampers.

•Mount at least 1’-2’ (0.3-0.6 m) below eave to

prevent thermal radiation from aecting

performance – see FIGURE 2 (p. 2).

•Mount at least 4’(1.22 m) above ground to prevent

thermal radiation rising up aecting

performance.

•Mount in shade on North side of the structure to

minimize sun exposure. In the Southern

hemisphere the South side of the building is

where the sensor should be mounted.

•The plastic tube that houses the sensor must be

pointed down to avoid debris, water, or ice

potentially aecting sensor performance.

MOUNTING INSTRUCTIONS

Attach the base directly to the wall. Mounting

holes are located at the corners of the housing –

see FIGURE 1 (right). Drill pilot holes for the

mounting screws. Use the enclosure mounting

holes as a guide, or use the dimensions listed

below to measure out. Install the PG11 watertight

fitting supplied with the sensor if not using

conduit. The outer knockout ring (PG 11/16) on

housing should not be removed when using a ½”

NPT conduit fitting.

NEMA -4X (-4X)

EURO (-EH)

BELL BOX (-BB)

3.11"

(78.99 mm)

2.69"

(68.28 mm)

3.94"

(100.1 mm)

2.55"

(64.77 mm) 2.23"

(56.71 mm) 1.96"

(49.784 mm)

4.00"

(101.57 mm) 2.12"

(53.72 mm) 2.69"

(68.28 mm)

2.97"

(75.44 mm) 2.29"

(58.10 mm) 3.18"

(80.77 mm)

4.70"

(119.46 mm) 4.70"

(119.46 mm) 3.77"

(93.98 mm)

4.72"

(119.83 mm)

4.60"

(116.88 mm)

Automation Components, Inc.

2305 Pleasant View Road | Middleton, WI 53562

Phone: 1-888-967-5224 | Website: workaci.com

Page 2

Version: 5.0

I0000812

MOUNTING (Continued)

Take care when mounting. Sensors should not be

placed in direct sunlight, or any other potential

heating or cooling sources that could aect

temperature being sensed. Refer to the Wiring

Instructions (p. 2) to make necessary connections.

WIRING INSTRUCTIONS

Open the cover of the enclosure. ACI recommends

16 to 26 AWG twisted pair wires or shielded cables

for all sensors. Signal wiring must be run separate

from low and high voltage wires (24/120/230VAC).

All thermistor sensors are non-polarity. All

thermistor type units are supplied with (2) ying

lead wires – see FIGURE 3 (right).

Connect thermistor/RTD wire leads to controller

analog input wires using wire nuts, terminal

blocks, or crimp style connectors. All wiring must

comply with all local and National Electric Codes.

After wiring, attach the cover to the enclosure.

Conrm gasketed cover is fastened securely in

order to prevent any moisture being introduced

into housing.

Note: When using a shielded cable, be sure to

connect only (1) end of the shield to ground at the controller. Connecting both ends of the shield to

ground may cause a ground loop. When removing the shield from the sensor end, make sure to properly

trim the shield to prevent any chance of shorting.

Note: If the controller requires a (2) wire input for a RTD, connect the (2) common wires (same color)

together. If the controller requires (3) wires, use (3) individual wires.

Recommended 1-2 ft

(0.3-0.6 m) Below Eave

Install Sensor

Downward

Roof

Ground

FIGURE 2: MOUNTED ASSEMBLY

FIGURE 3: TEMPERATURE WIRING

THERMISTOR OR

RTD 2WIRE

WIRE NUT

RTD 3WIRE

SAME COLOR WIRES

WIRE NUT

WIRING FROM CONTROLLER

ANALOG INPUT

WIRING FROM CONTROLLER

ANALOG INPUT

3-WIRE RTD WIRING

2-WIRE THERMISTOR or RTD WIRING

WARRANTY

The ACI Outdoor Series temperature sensors 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. Do not dispose of with household waste. Do not burn.

TROUBLESHOOTING

PROBLEM

Sensor reading is incorrect

Sensor reads innity/very high resistance

Sensor reads low resistance

Erratic readings

SOLUTION(S)

•Verify sensor wiring to controller is not damaged and has continuity.

•Verify sensor or wires are not shorted together.

•Verify controller is setup for correct sensor curve.

•Disconnect wires from sensor terminal block, tighten terminal block

screws down, and take a resistance (ohm) reading with a multimeter.

•Compare the resistance reading to the Temperature Vs Resistance

Curves online: http://www.workaci.com/content/thermistor-curves-0

•Verify proper mounting location to conrm no external factors are

aecting reading.

•Sensor or wires are open.

•Sensor or wires are shorted together.

•Condensation on PCB board

•Bad wire connections.

Automation Components, Inc.

2305 Pleasant View Road | Middleton, WI 53562

Phone: 1-888-967-5224 | Website: workaci.com

Page 3

Version: 5.0

I0000812

PRODUCT SPECIFICATIONS

Automation Components, Inc.

2305 Pleasant View Road | Middleton, WI 53562

Phone: 1-888-967-5224 | Website: workaci.com

Page 4

Version: 5.0

I0000812

A/1.8K: 1.8 KΩ nominal (Red/Yellow)

A/3K: 3 KΩ nominal (White/Brown)

A/AN (Type III): 10 KΩ nominal (White/White)

A/AN-BC: 5.238 KΩ nominal (White/Yellow)

A/CP (Type II): 10 KΩ nominal (White/Green)

A/50K: 50KΩ nominal (Brown/Yellow)

A/1.8K Series: +/- 0.5 °C @ 25 °C (77 °F)

and (+/-1.0 °C) (+/-1.8 °F)

A/100: 100 Ω nominal

+/- 0.06% Class A (Tolerance Formula: +/- °C = (0.15 °C + (0.002 * |t|))

where |t| is the absolute value of Temperature above or below 0 °C in °C)

@ -40 °C (-40 °F): +/- 0.23ºC (+/- 0.414ºF)

@ 0 °C (32 °F): +/- 0.15 °C (+/- 0.27 °F)

1 KΩ nominal (Orange/Yellow)

@ 21.1 °C (70 °F): +/- 1%

1 KΩ nominal (Red/Red)

@ -40 °C (-40 °F): +/- 1.52 °C (+/- 2.73 °F)

@ 0 °C (32 °F): +/- 0.4 °C (+/- 0.72 °F)

One

-40 to 70 °C (-22 to 158 °F)

-40 to 70 °C (-40 to 158 °F)

10 to 95% RH, non-condensing

”-EH” Enclosure: ABS Plastic with UV Protectant, UL94-V0

”-4X” Enclosure: Polystyrene Plastic, UL94-V2, IP66 (NEMA 4X)

“-BB” Enclosure: Aluminum, IP32 (NEMA 3R)

14” (35.6 cm) / 22 AWG (0.65 mm)

A/CSI: 10 KΩ nominal (Green/Yellow)

A/10KS: 10 KΩ nominal (White/Blue)

A/10K-E1: 10 KΩ nominal (Gray/Orange)

A/20K: 20 KΩ nominal (Brown/Blue)

A/100KS: 100 KΩ nominal (Black/Yellow)

A/10K-E1 Series: +/- 0.3 °C (+/- 0.54 °F)

All Else: +/- 0.2 °C (+/- 0.36 °F)

A/1K: 1 KΩ nominal

@ 70 °C (158 °F): +/- 0.29 °C (+/- 0.53 °F)

@ 21.1 °C (70 °F): +/- 0.17 °C (+/- 0.34 °F)

@ 54.4 °C (130 °F): +/- 0.56 °C (+/- 1. 00°F)

SENSOR NON-SPECIFIC INFORMATION

Number Sensing Points:

Operating Temperature Range:

Storage Temperature Range:

Operating Humidity Range:

Enclosure Specications:

(Material, Flammability,

NEMA/IP Ratings)

Lead Length | Conductor Size:

THERMISTOR

Sensor Output @ 25 °C (77 °F):

(Lead Wire Colors)

*Does not include CL2P

Accuracy @ 0-70 °C (32 - 158 °F):

PLATINUM

Sensor Output @ 0 °C (32 °F):

Accuracy:

BALCO

Sensor Output @ 21.1 °C (70 °F):

(Lead Wire Colors)

Accuracy:

NICKEL

Sensor Output @ 21.1 °C (70 °F):

(Lead Wire Colors)

Accuracy:

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