800.354.8556 | +1 503.598.4564 | sales@veris.com | intl@veris.com | www.veris.com The CW2 Series of air quality sensors for living space is a flexible multi-sensor platform for use with BAS controllers designed to accept 4 to 20mA, 0 to 5Vdc or 0 to 10Vdc outputs. CW2 Series sensors are available with three user interface options: touchscreen, LCD with three buttons and blank. CO 2 and temperature sensors are included with all CW2 Series air quality sensors. Models with VOC sensors and relative humidity sensors are also available. OPERATING ENVIRONMENT Input PowerClass 2; 20 to 30 Vdc, 24 Vac, 50 to 60 Hz Analog OutputSelectable 4 to 20 mA, 0 to 5 V, 0 to 10 V Operating Temp. Range 0 to 50 °C (32 to 122 °F) Operating Humidity Range 0 to 95% RH non-condensing Housing MaterialHigh-impact ABS plastic Terminal Block Torque 0.5 to 0.6 N-m (0.37 to 0.44 in-lbf) CO 2 TRANSMITTER Sensor TypeNon-dispersive infrared (NDIR), diffusion sampling Output Range0 to 2000/5000 ppm (selectable) Accuracy±30 ppm ±3% of measured value Repeatability±20 ppm ±1% of measured value Response Time <60 seconds for 90% step change VOC TRANSMITTER OPTION Sensor TypeSolid state Output Range 0 to 100% AQI for VOC Accuracy±15% of measured value Output Scale 0 to 1,000 ppb of total VOC (TVOC) LEVEL VENTILATION RECOMMENDATION TVOC (ppb) AQI Table* >61%Greatly increased>610 20 to 61%Significantly increased200 to 610 10 to 20%Slightly increased100 to 200 5 to 10%Average50 to 100 0 to 5%Target value0 to 50 CW2 SERIES Individual or 4-in-1 CO 2 , VOC, RH & Temperature Air Quality / Gas Detection | Analog Air Quality Sensors APPLICATIONS • Controlling ventilation in response to accuracy • ASHRAE 62.1 compliant • Office buildings, conference rooms, schools, retail stores, etc. Microprocessor based Microprocessor controlled for excellent stability Easy to install Large wiring terminals on baseplate and snap-on covers with security screw simplify installation and service Self-calibrating Innovative self-calibration algorithm…easy to maintain Field selectable Field-selectable outputs for operation flexibility Dual-beam NDIR CO 2 sensor Dual-beam, non-dispersive infrared technology (NDIR) repeatable to ±20 ppm ±1% of measured value…high accuracy measurement Multi-sensor platform CO 2 , VOC, RH and temp in one device…lower installation and service costs SPECIFICATIONS HQ0007676.C 0920 CW2Txxxx CW2LxxxxCW2Xxxxx RH TRANSMITTER OPTION HS Sensor Thin-film capacitive, replaceable Accuracy ±2% from 10 to 80% RH @ 25°C (77 °F) Hysteresis1.5% typical Stability ±1% @ 20°C (68 °F) annually for 2 years Output Range0 to 100% RH Temperature Coefficient ±0.1% RH/°C above or below 25 °C (77 °F) typical TEMPERATURE TRANSMITTER OPTION Sensor TypeSolid state, integrated circuit Accuracy ± 0.2 °C ( ± 0.4 °F) typical Resolution 0.1 °C (0.1 °F) Range0 to 50 °C (32 to 122 °F) DISPLAY MODELS Touchscreen 61 mm (2.4 in), color, backlit, capacitive, 240x300 px Setpoint: 0-10Vdc. Temperature, humidity or fan speed selectable Timeout override: Display timeout** Lockout override: Touchscreen/button lockout** LCD 52mm (2.05 in), segmented with 3 buttons Setpoint: 0-10Vdc. Temperature, humidity or fan speed selectable Timeout override: Display timeout** Lockout override: Touchscreen/button lockout** SETPOINTS*** Temperature Setpoint 0 to 10V output Scale: 10 to 35 °C (50 to 95 °F) / 0 to 50 °C (32 to 122 °F) Humidity Setpoint 0 to 10V output Scale: 0 to 100% RH800.354.8556 | +1 503.598.4564 | sales@veris.com | intl@veris.com | www.veris.com REPLACEABLE RH ELEMENTS Air Quality / Gas Detection | CW2 Series MODELRH ACCURACYCALIBRATION CERTIFICATEDESCRIPTION HS1N±1%XReplaceable RH sensor, 1% with NIST certification HS2N±2%XReplaceable RH sensor, 2% with NIST certification HS2X±2%Replaceable RH sensor, 2% DIMENSIONAL DRAWING USER INTERFACE TYPES ORDERING INFORMATION Example: CW22AVAT CW2 User InterfaceTemperatureVOC SensorOutputRH Accuracy* T L X = = = Color touchscreen 3-button LCD display None*** A C D H K M N = = = = = = = Transmitter 1000 PT RTD 10K T2 thermistor 10K T3 thermistor 10K curve G/11K shunt 20K NTC thermistor 1.8K TAC thermistor V= = NDIR CO2 / VOC** None A=Analog output2 X = = 2% None*** * Replaceable 1% with NIST certificate, 2% with NIST certificate and 2% elements available. ** VOC only availble with temperature transmitter option *** For analog non-display, non-RH, models with RTD/thermistor order from CWE2 line. HQ0007676.C 0920 Replaceable RH Element 115 (4.5) 85 (3.3) 24 (0.9) LCD with Buttons * Air Quality Index for VOC aligns with TVOC levels for IAQ as specified by the WHO (World Health Organization). **DIP switch selectable. *** One setpoint type is selectable via DIP switch on display models only. CW2L/CW2T DISPLAY MODELS WITH TEMP TRANSMITTER Wiring Diagram 10987654321 VOC OUT CO 2 OUT OVERRIDE SETPOINT OUT RH OUT TEMP OUT COMMON POWER (+24) Optional Optional Blank CW2L/CW2T DISPLAY MODELS WITH RTD/THERMISTOR Wiring Diagram 10987654321 VOC OUT CO 2 OUT OVERRIDE SETPOINT OUT RH OUT RTD/THERMISTOR OUT RTD/THERMISTOR OUT COMMON POWER (+24) Optional Optional CW2X WITH TEMP TRANSMITTER Wiring Diagram 10987654321 VOC OUT CO 2 OUT RH OUT TEMP OUT COMMON POWER (+24) Optional Optional CW2X WITH RTD/THERMISTOR Wiring Diagram 10987654321 VOC OUT CO 2 OUT RH OUT RTD/THERMISTOR OUT RTD/THERMISTOR OUT COMMON POWER (+24) Optional Optional Fan Speed Setpoint 0 to 10V output Off 0V, Low 3.3V, Med. 6.7V, High 10.0V OVERRIDE Override Button Display models feature momentary-to-ground override button WIRING TERMINALS Terminal BlocksScrew terminals, 18-24 AWG Screw Terminal Torque 0.2 N-m (2.0 in-lbF) max. WARRANTY Limited Warranty 5 years COMPLIANCE INFORMATION Agency Approvals UL 916, European conformance CE: EN61000-6-2, EN61000-6-3, EN61000 Series - industrial immunity, EN 61326-1 FCC Part 15 Class B, REACH, RoHS, RCM (Australia), ICES-003 (Canada) SPECIFICATIONS (CONT.) TouchscreenNext >