Series RHPLC Humidity/Temperature Transmitter Specifications - Installation and Operating Instructions Bulletin AQ-RHPLC The Series RHPLC Wall Mount Humidity/Temperature Transmitter is a compact economical sensor for the building automation marketspace. The stylish housing is well vented to provide air flow across the sensor to improve measurement accuracy. Each unit utilizes a capacitive polymer sensing element to deliver a proportional analog output. A combination humidity and temperature model can be configured with current, voltage, RTD, or thermistor output. A wide selection of passive RTD or thermistor temperature sensors are available in this series. FEATURES/BENEFITS • 2% or 3% accuracy models • Humidity only or temperature and humidity combo • Wide selection of passive thermistor or RTD temperature sensors APPLICATIONS • Air economizers • Room comfort monitoring SPECIFICATIONS Sensor: Capacitive polymer. Relative Humidity Range: 0-100% RH. RH Accuracy: ± 2% 10 to 90% RH @ 25°C for 2% accuracy units; ± 3% 20 to 80% RH @ 25°C for 3% accuracy units. RH Hysteresis: ± 0.8%. RH Repeatability: ± 0.1% typical. Temperature Output Range: -40 to 140°F (-40 to 60°C). Passive Thermistor Temperature Sensor Accuracy: ± 0.36°F @ 77°F (± 0.2°C @ 25°C). Accuracy RTD Temperature Sensor: DIN Class B; ± 0.3°C @ 0°C (± 0.54°F @ 77°F). Accuracy Current/Voltage Temperature Output: ± 0.9°F @ 72°F (± 0.3°C @ 25°C). Temperature Limits: Operating: -40 to 140°F (-40 to 60°C); Storage: -40 to 176°F (-40 to 80°C). Power Requirements: 10 to 35 VDC for 4 to 20mA or 0 to 5 VDC output; 15 to 35 VDC for 0 to 10 VDC output; 10 to 29 VAC for 0 to 5 VDC output; 15 to 29 VAC for 0 to 10 VDC output. Response Time: 8 s ( t 63 ). Electrical Connections: Screw terminal block. Drift: <0.25% RH/year. Enclosure Material: Polycarbonate Weight: 4.4 oz (125 g). Agency Approvals: CE. MODEL CHART ExampleRHPLC-3N2A-FCRHPLC-3N2A-FC SeriesRHPLCHumidity/temperature transmitter Accuracy2 3 2% accuracy 3% accuracy HousingNNorth American style wall mount Humidity Output1 2 3 Current 4 to 20 mA Voltage 0 to 10 VDC Voltage 0 to 5 VDC Temperature Output 0 1 2 3 A B C D E F None Current 4 to 20 mA Voltage 0 to 10 VDC Voltage 0 to 5 VDC 10K Ω @ 25ºC thermistor type III 10K Ω @ 25ºC thermistor type II 3K Ω @ 25ºC thermistor 100 Ω RTD DIN 385 1K Ω RTD DIN 385 20K Ω @ 25ºC thermistor OptionsFCFactory calibration certificate (3% accuracy units) 4-1/2 [114.30] 2-51/64 [71.12] 1-3/32 [27.69] 35/64 [14.02] 3-1/64 [76.56] 2X-11/64 [4.47] 31/64 [12.32] ® DWYER INSTRUMENTS, INC. P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Phone: 219/879-8000 Fax: 219/872-9057 www.dwyer-inst.com e-mail: info@dwyermail.comINSTALLATION Make sure all connections are in accordance with the job wiring diagram and in accordance with national and local electrical codes. Use copper conductors only. MOUNTING 1. Push tab on top and bottom of cover and lift cover from back plate (See Figure 1). 2. Select the mounting location, away from diffusers, lights, or any external influences. 3. Mount transmitter on a vertical surface to a standard electrical box using the two #6 4. M2C type screws provided. 5. Pull wires through sub base hole and make necessary connections. 6. Reattach cover to base plate Wiring Use a minimum of 22 AWG to maximum 18 AWG wire for wiring to terminals. Refer to Figures 2 and 3 for wiring information. Current Output Models: Wire as shown in Figure 2. Current outputs must be powered with 10-35 VDC. If the RH output is not required, wire the negative terminal of the power supply to terminal 1 of the transmitter. If the unit has a passive temperature sensor, wire to terminals 3 and 4. Voltage Output Models: Voltage outputs may be powered with 10-35 VDC (0-5 V models), 15-35 VDC (0-10 V models) or 10-29 VAC (0-5 V modes), 15-29 VAC (0-10 V models). Note polarity when using DC power. Wire the RH voltage output as shown in Figure 3. If the unit has a voltage temperature output, wire the temperature receiver between terminal 4 and the negative terminal of the power supply. If the temperature or RH voltage output is not used it may be left disconnected. If the unit has a passive temperature sensor, wire to terminals 4 and 5. Disconnect power supply before installation to prevent electrical shock and equipment damage WARNING Use electrostatic discharge precautions (e.g., use of wrist straps) during installation and wiring to prevent equipment damage. CAUTION Avoid locations where severe shock or vibration, excessive moisture, or corrosive fumes are present. CAUTION Do not exceed ratings of this device, permanent damage not covered by warranty may result. The 4 to 20 mA models are not designed for AC voltage operation. CAUTION Figure 1: Removal of Cover from Back Plate Figure 2: Current Output Wiring Figure 3: Voltage Output Wiring RH RECEIVER 4 TO 20 mA TEMP RECEIVER 4 TO 20 mA PASSIVE TEMP. SENSOR (IF PRESENT) POWER SUPPLY - + - + - + 4 5 6 7 8 1 2 3 POWER SUPPLY RH RECEIVER TEMP RECEIVER PASSIVE TEMP. SENSOR (IF PRESENT) 1 2 3 4 5 6 7 8 -+ - + - +TROUBLESHOOTING 1. Verify that the unit is mounted in the correct position. 2. 4 to 20 mA Models: Verify appropriate supply voltage. The transmitter requires a minimum of 10 and a maximum of 35 VDC at its connections for proper operation. Choose a power supply with a voltage and current rating which meets this requirement under all operating conditions. If the power supply is unregulated, make sure voltage remains within these limits under all power line conditions. Ripple on the supply should not exceed 100mV. Loop Resistance – The maximum allowable loop resistance depends on the power supply voltage. Maximum loop voltage drop must not reduce the transmitter voltage below the 10 VDC minimum. Maximum loop resistance can be calculated with the following equation. Vps is the power supply voltage. Some receivers, particularly loop powered indicators, may maintain a fixed loop voltage to power the device. This voltage drop must also be subtracted from the power supply voltage when calculating the voltage margin for the transmitter. The following equation takes this into account. Vrec is the receiver fixed voltage. Voltage Output Models: Verify appropriate supply voltage. The voltage output models require a 10-35 VDC (0-5 V models), 15-35 VDC (0-10 V models) or 10-29 VAC (0-5 V modes), 15-29 VAC (0-10 V models) for proper operation maximum. Maximum output load is 5 mA. MAINTENANCE/REPAIR Upon final installation of the Series RHPLC, no routine maintenance is required. The Series CDWP is not field serviceable and is not possible to repair the unit. Field repair should not be attempted and may void warranty. WARRANTY/RETURN Refer to “Terms and Conditions of Sale” in our catalog and on our website. Contact customer service to receive a Return Goods Authorization number before shipping the product back for repair. Be sure to include a brief description of the problem plus any additional application notes. V ps -10.0 20 mA Rmax = V ps -10.0-Vrec 20 mA Rmax = TemperatureResistance Curves (in Ohms) °C°FABCDEF -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 -67.0 -58.0 -49.0 -40.0 -31.0 -22.0 -13.0 -4.0 5.0 14.0 23.0 32.0 41.0 50.0 59.0 68.0 77.0 86.0 95.0 104.0 113.0 122.0 131.0 140.0 149.0 158.0 167.0 176.0 185.0 194.0 203.0 212.0 221.0 230.0 239.0 248.0 257.0 266.0 275.0 284.0 293.0 302.0 607800.00 441200.00 323600.00 239700.00 179200.00 135200.00 102900.00 78910.00 61020.00 47540.00 37310.00 29490.00 23460.00 18780.00 15130.00 12260.00 10000.00 8194.00 6752.00 5592.00 4655.00 3893.00 3271.00 2760.00 2339.00 1990.00 1700.00 1458.00 1255.00 1084.00 939.30 816.80 712.60 623.60 547.30 481.80 425.30 376.40 334.00 297.20 265.10 237.00 963849.00 670166.00 471985.00 336479.00 242681.00 176974.00 130421.00 97081.00 72957.00 55329.00 42327.00 32650.00 25392.00 19901.00 15712.00 12493.00 10000.00 8057.00 6531.00 5326.00 4368.00 3602.00 2986.00 2488.00 2083.00 1752.00 1480.00 1255.00 1070.00 915.50 786.60 678.60 587.60 510.60 445.30 389.60 341.90 301.00 265.80 235.30 208.90 186.10 289154.70 201049.80 141595.50 100943.70 72804.30 53092.20 39126.30 29124.30 21887.10 16598.70 12698.10 9795.00 7617.60 5970.30 4713.60 3747.90 3000.00 2417.10 1959.30 1597.80 1310.40 1080.60 895.80 746.40 624.90 525.60 444.00 376.50 321.00 274.65 235.98 203.58 176.28 153.18 133.59 116.88 102.57 90.30 79.74 70.59 62.67 55.83 78.32 80.31 82.29 84.27 86.25 88.22 90.19 92.16 94.12 96.09 98.04 100.00 101.95 103.90 105.85 107.79 109.74 111.67 113.61 115.54 117.47 119.40 121.32 123.24 125.16 127.08 128.99 130.90 132.80 134.71 136.61 138.51 140.40 142.29 144.18 146.07 147.95 149.83 151.71 153.58 155.46 157.33 783.2 803.1 822.9 842.7 862.5 882.2 901.9 921.6 941.2 960.9 980.4 1000.0 1019.5 1039.0 1058.5 1077.9 1097.4 1116.7 1136.1 1155.4 1174.7 1194.0 1213.2 1232.4 1251.6 1270.8 1289.9 1309.0 1328.0 1347.1 1366.1 1385.1 1404.0 1422.9 1441.8 1460.7 1479.5 1498.3 1517.1 1535.8 1554.6 1573.3 2394000.00 1646200.00 1145800.00 806800.00 574400.00 413400.00 300400.00 220600.00 163500.00 122280.00 92240.00 70160.00 53780.00 41560.00 32340.00 25360.00 20000.00 15892.00 12704.00 10216.00 8264.00 6722.00 5498.00 4520.00 3734.00 3100.00 2586.00 2166.00 1822.60 1540.00 1306.40 1112.60 951.00 815.80 702.20 606.40 525.60 N/A N/A N/A N/A N/A RESISTANCE VS TEMPERATURE TABLENOTES __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ 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__________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ Printed in U.S.A. 8/18FR# 443637-50©Copyright 2018 Dwyer Instruments, Inc. DWYER INSTRUMENTS, INC. P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Phone: 219/879-8000 Fax: 219/872-9057 www.dwyer-inst.com e-mail: info@dwyermail.comNext >