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PDF Content Summary: Installation LSPLUS2H and LSBASE2H & Operations 17514_ins_alc_lsp2h_lsb2h rev. 10/15/12 Termination LSBASE2H Terminal Connections Terminal Alt. Name Lead Color Function GND GND Black Ground (sensor, RH) TEMP Tx Green Room Temperature (sensor) SW Rx Yellow Not Used LS5V PWR Red Not Used RH OUT Relative Humidity (0 to 5 VDC - 0 to 100% RH) VIN 7 to 12 VDC for Humidity LSPLUS2H Terminal Connections Terminal Alt. Name Lead Color Function GND GND Black Ground (sensor, setpoint, TLO, LED, RH) TEMP Tx Green Room Temperature (sensor) SW Rx Yellow Setpoint Adjust and TLO LS5V PWR Red LED RH OUT Relative Humidity (0 to 5 VDC - 0 to 100% RH) VIN 7 to 12VDC for Humidity The relative humidity signal (“RH OUT” terminal) should be taken to an unused analog input on the controller. When used with an ALC module equipped with RNet, the RNet 12 VDC supply may be used to power the unit. If there is not a convenient source of 7 to 12 VDC power, an ALC/VC350A or ALC/VC350A-EZ may be used. Note: The connectors use a rising block screw terminal to hold the wires. If the block is in a partially up position, the wire may be inserted under the block and the wire will not be held when the screw is tightened. To avoid improper wiring, turn the male connector screws counterclockwise until the block is below the wire opening before inserting the wire. Lightly tug on each wire after tightening to verify proper termination. Mounting 1. Secure the base to the junction box using the #6-32 x 1/2” mounting screws provided. 2. For drywall installation, pre-drill two 3/16” holes 3.275” apart on center. Insert the drywall anchors and secure the base using the #6 x 1” sheet metal screws provided. 3. Terminate the unit as shown in the Terminations section. 4. Attach the cover by latching it to the top of the base. 5. Rotate the cover down.
Automated Logic Corporation 1150 Roberts Boulevard Kennesaw, GA 30144 Phone: (770) 429-3000 Fax: (770) 429-3001 http://www.automatedlogic.com
Installation LSPLUS2H and LSBASE2H & Operations 17514_ins_alc_lsp2h_lsb2h rev. 10/15/12 Diagnostics If the unit does not respond properly, please go through the following steps: 1. Set a meter to the “Ohms” setting 2. Disconnect the TEMP, SW and RH OUT terminals from the system Temperature Sensor 3. Measure the resistance from terminal GND to TEMP 4. Compare the resistance reading to the resistance listed in the output table. 5. If the sensor reads significantly lower or 0 Ohms, then the sensor is shorted 6. If the sensor reads significantly higher or OL (overload) then the sensor is open. 7. If the sensor reads properly, verify that the controller is operating correctly. Setpoint and Override 8. Measure the resistance from terminal GND to SW. 9. The resistance should range from 4.75 kΩ to 24.75 kΩ (±10%) as the slide pot is moved from left to right. 10. Pushing the override switch should cause the resistance reading to go to approximately 0Ω. Relative Humidity Diagnostics 11. Measure the voltage from terminal GND to RH OUT. 12. The relative humidity is found by solving the following equation: %RH = RH OUT * 20 Automated Logic Corporation 1150 Roberts Boulevard Kennesaw, GA 30144 10K-2 Thermistor Output Table Note: The temperature table shown above is a portion of the entire operating range of the sensor. Relative Humidity Deg F Deg C 10K-2 Ω 50°F 10.0°C 19,903 55°F 12.8°C 17,439 60°F 15.6°C 15,313 62°F 16.7°C 14,546 64°F 17.8°C 13,822 66°F 18.9°C 13,139 68°F 20.0°C 12,493 70°F 21.1°C 11,884 72°F 22.2°C 11,307 74°F 23.3°C 10,762 76°F 24.4°C 10,247 77°F 25.0°C 10,000 78°F 25.6°C 9,760 80°F 26.7°C 9,298 82°F 27.8°C 8,862 84°F 28.9°C 8,448 86°F 30.0°C 8,056 88°F 31.1°C 7,685 90°F 32.2°C 7,333 95°F 35.0°C 6,530 100°F 37.8°C 5,826 Relative Humidity Output Table Output Relative Output Voltage Humidity Voltage 0% 0 55% 2.750 VDC 5% 0.250 VDC 60% 3.000 VDC 10% 0.500 VDC 65% 3.250 VDC 15% 0.750 VDC 70% 3.500 VDC 20% 1.000 VDC 75% 3.750 VDC 25% 1.250 VDC 80% 4.000 VDC 30% 1.500 VDC 85% 4.250 VDC 35% 1.750 VDC 90% 4.500 VDC 40% 2.000 VDC 95% 4.750 VDC 45% 2.250 VDC 100% 5.000 VDC 50% 2.500 VDC Phone: (770) 429-3000 Fax: (770) 429-3001 http://www.automatedlogic.com
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