Building Automation Sensors | Automation Components, Inc.
Building Automation Sensors | Automation Components, Inc.
Instruction Manual for WorkACI models including: A-100-LTS Freezer Series Sensor, A-100-LTS, Freezer Series Sensor, Sensor
A/100-LTS#-30'# - alpscontrols.com
File Info : application/pdf, 4 Pages, 222.23KB
DocumentDocumentFREEZER SERIES SENSOR Installation & Operation Instructions Phone: 1-888-967-5224 Website: workaci.com GENERAL INFORMATION The ACI Freezer Series features a 3/16" diameter stainless steel probe with a 10 Foot or 30 Foot, 3 Conductor, 24 AWG Plenum rated jacketed Teflon cable. It is designed for use with electronic controllers in commercial heating and cooling building management systems. The Freezer sensors can be used with any of the Single or Triple Point Glycol Kits for use in applications where a Thermal Buffer (slower) response time is desired. MOUNTING INSTRUCTIONS ENCLOSURE MOUNTING The enclosure must be mounted outside of the freezer/cooler. On Vertical units, mount on the top of the freezer see Figure 3 (p. 2). On Horizontal units, mount on the backside or side of the freezer. Attach the base directly to the wall by using double sided tape. FIGURE 1: FREEZER PROBE DIMENSIONS 50.78 2.00 .1875" (4.76 mm) DIA. NOMINAL FIGURE 2: ENCLOSURE DIMENSIONS GALVANIZED (-GD) 2.33" (59.18 mm) 1.62" (41.14 mm) WIRE INSTALLATION ACI recommends installing the wire through the door seal, probe access port, or cooler wall. On horizontal units, the preferred method is using the rear door seal as shown in Figure 4 (p. 2). On vertical units, remove the rear panel. There is typically a probe access hole. Probe and wires can be ran into that access hole. Alternatively, you can drill a hole just larger than the diameter of the wire (0.125" (3.175 mm)) through the wall. From inside the cooler/freezer, push the wire through the hole. Use mounting clips to secure the wire to the interior wall or shelving. Use silicone caulking to seal the hole around the wire. NEMA 4X (-4X) 4.20" (106.68 mm) 2.21" (56.13 mm) 3.70" (93.98 mm) SENSOR MOUNTING Bullet Probe sensors can be wrapped around a shelf as shown in Figure 5 (p.2). Alternatively, the sensor may be mounted on walls using a mounting clip. The sensor should be mounted in an area where air circulation is well-mixed and not blocked by obstructions. Slide the sensor probe through the mounting Page 1 0.86" (21.84 mm) Automation Components, Inc. 2305 Pleasant View Road | Middleton, WI 53562 Phone: 1-888-967-5224 | Website: workaci.com 2.55" (64.77 mm) Version: 5.0 I0000320 clip - see FIGURE 6. Drill a 1/4" screw through the socket and tighten to the wall. If a thermal buffer is required, use a glycol kit (ACI Item #130127). Drill pilot holes for the provided mounting screws. Use the mounting clip holes as a guide - see FIGURE 7. Drill the #10-16 x 1/2" screws through the bracket holes and fasten it to the wall. Insert the bottle into the bracket, and make sure it is seated securely. Note: When using in tank or glycol application, the sensor cannot be fully submerged. The back end of the probe (where the wire enters), must be kept above the liquid. FIGURE 3: ENCLOSURE MOUNTING FIGURE 6: SENSOR MOUNTING ON WALL BULLET PROBE MOUNTING CLIP FIGURE 4: WIRE ROUTING FIGURE 7: GLYCOL SENSOR w/ BRACKET STEEL MOUNTING BRACKET SENSOR WIRES GLYCOL BOTTLE AND STANDARD 4" SENSOR PROBE FIGURE 5: SENSOR MOUNTING Automation Components, Inc. 2305 Pleasant View Road | Middleton, WI 53562 Phone: 1-888-967-5224 | Website: workaci.com WIRING INSTRUCTIONS 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 (24/120/230 VAC). All ACI temperature sensors are non-position sensitive. All freezer sensors are supplied with (3) flying lead wires see FIGURE 8 (p. 3). Connect sensor 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. Page 2 Version: 5.0 I0000320 WIRING INSTRUCTIONS (Continued) 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. FIGURE 8: TEMPERATURE WIRING 3-WIRE RTD WIRING SAME COLOR WIRES RTD 3 WIRE WIRING FROM CONTROLLER ANALOG INPUT WIRE NUT 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. TROUBLESHOOTING PROBLEM Sensor reading is incorrect Sensor reads infinity/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 confirm no external factors are affecting reading. · Sensor or wires are open. · Sensor or wires are shorted together. · Condensation on PCB board · Bad wire connections. WARRANTY The ACI Freezer Temperature 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. Automation Components, Inc. 2305 Pleasant View Road | Middleton, WI 53562 Phone: 1-888-967-5224 | Website: workaci.com Page 3 Version: 5.0 I0000320 PRODUCT SPECIFICATIONS SENSOR NON-SPECIFIC Storage Temperature Range: Operating Humidity Range: Lead Length | Cable Diameter: Lead Wire Insulation | Jacket Color: Conductor Size | Conductor Material: Probe Material | Length | Diameter: Enclosure Specifications: Cleaning Solutions: 1K / 100 ohm RTD SENSOR Sensor Type | Sensor Curve: DIN Standard | Temp Coefficient Response Time (63% Step Change): Sensor Output @ 0°C (32°F): Sensor Tolerance Class: Sensor Operating Temperature Range: -40 to 80 °C (-40 to 176 °F) 10 to 100% RH 10' (3.05 m) or 30' (9.15 m) | 0.106" nominal (2.69 mm) FEP/FEP (Teflon) Jacketed Cable | White 24 AWG (0.51 mm) | Silver Plated Copper 316 Stainless Steel | 2" (50.8 mm) | 0.1875" (4.76 mm) nominal "-GD": -40 to 100 °C (-40 to 212 °F); Galvanized Steel; NEMA 1 (IP10) "-4X": -40 to 70 °C (-40 to 158 °F); Polystyrene Plastic, UL94-V2, IP66 (NEMA 4X) Alcohol, Ammonia, Bleach, Hydrogen Peroxide Platinum RTD | Linear, PTC (Positive Temperature Coeffcient) DIN EN 60751 (IEC 751) | 3850 ppm / °C 15 Seconds nominal A/100-LTS Series:100nominal | A/1K-LTS Series:1K nominal Class B Accuracy Formula: +/- ºC = (+/- 0.30ºC + (0.005 x |t|)) where t is the Absolute Value of temperature in ºC above or below 0ºC -200ºC (-328ºF): +/- 1.30ºC (+/- 2.34ºF) | 0ºC (-32ºF): +/- 0.30ºC (+/- 0.54ºF) -198 to 150ºC (-324 to 302ºF) Thermistor Sensor (1.8K, 3K, AN, CP, CSI, 20K) Sensor Type | Sensor Curve Thermistor | Non-Linear, NTC (Negative Temperature Coefficient) Sensor Output @ 25ºC (77ºF) A/1.8K: 1.8K nominal | A/CP (Type II): 10K nominal | A/20K: 20K nominal | A/3K: 3K nominal | A/AN (Type III): 10K nominal | A/CSI: 10K nominal Accuracy 0-70ºC (32-158ºF): +/-0.2ºC (+/-0.36ºF) except A/CP Series & A/AN Series: +/- 0.85ºC (+/-1.53ºF); A/1.8K Series: +/- 0.5ºC @ 25ºC (77ºF) and +/-1.0ºC (+/-1.8ºF) Response Time (63% Step Change): 15 Seconds nominal Sensor Operating Temperature Range: -40 to 150ºC (-40 to 302ºF) Automation Components, Inc. 2305 Pleasant View Road | Middleton, WI 53562 Phone: 1-888-967-5224 | Website: workaci.com Page 4 Version: 5.0 I0000320