Veris Industries CWV SERIES Data Sheet
Air Quality / Gas Detection | Wall CO2 Sensors, Dual Analog Outputs
CWV SERIES
Dual Analog Outputs, Switchable 0 to 3/5/10 Vdc,
4 to 20 mA Output
CWV
The CWV Series is a non-dispersive infrared sensor designed for
measuring CO
measurement range makes it an ideal solution for meeting ASHRAE and
other ventilation control standards.
The CWV Series features multiple output options, microprocessorbased digital technology, and a unique self-calibration algorithm which
improves long-term stability and accuracy.
concentration in office and living spaces. Its 2000 ppm
2
Microprocessor
based
Microprocessor-based design
reduces long-term drift and
calibration requirements
NDIR
Non-dispersive infrared
technology (NDIR) repeatable
to ±30 ppm ±4.5% of measured
value…high accuracy
Self-calibrating
Innovative self-calibration
algorithm…easy to maintain.
5-year calibration interval
(recommended).
APPLICATIONS
• Controlling HVAC in response
to occupancy
• Improving tenant comfort
• Schools, museums, airports,
commercial buildings, etc.
Sensitivity
Low ambient sensitivity
ASHRAE 62.1
Improve comfort and facilitate
compliance with ASHRAE 62.1
standard for air quality
DCV
Demand control ventilation
(DCV) provides reduction in
energy costs…helps with green
branding initiatives
• OEM applications
• Home automation
• Big-box retail
SPECIFICATIONS
Input Voltage Class 2; 20 to 30 Vdc, 24 Vac 50/60 Hz
Analog Output #1
Analog Output #2
Sensor Current Draw 200 mA Maximum
Operating Humidity Range 0 to 95% RH non-condensing
Operating Temp Range 0 to 50 °C (32 to 122 °F)
Housing Material High impact ABS plastic
Terminal Block Torque 0.4 to 0.5 N-m (3.6 to 4.4 in-lbf) max.
Terminal Block Wire Size 24 to 14 AWG (02 to 2.5 mm2)
Relay Contacts 1 A@30 Vdc, resistive; 30 W max.
CO2 TRANSMITTER
Sensor Type
Measurement Range 0 to 2000 ppm
Accuracy ±40 ppm ±5.5% of measured value
Repeatability ±30 ppm ±4.5% of measured value
Response Time <60 seconds for 90% step change
4 to 20 mA (clipped & capped) or 0 to 3 Vdc/
0 to 5 Vdc/0 to 10 Vdc (jumper selectable)
4 to 20 mA (clipped & capped) or 0 to 3 Vdc/
0 to 5 Vdc/0 to 10 Vdc (jumper selectable)
Non-dispersive infrared (NDIR),
diffusion sampling
WARRANTY
Limited Warranty 1 year
AGENCY APPROVALS
*
*The CE mark indicates RoHS2 compliance. Please refer to the CE Declaration of Conformity
for additional details.
EMC Conformance: Low voltage directive 2014/35/EU & EMC directive 2014/30/EU.
EMC Special Note: Connect this product to a DC distribution network or an AC/DC p ower
adaptor with proper surge protection (EN 61000- 6-1 specification requirements).
TM
HQ0001742.F 0117
Air Quality / Gas Detection | CWV Series
WIRING DIAGRAM DIMENSIONAL DRAWING
POWER SOURCE
20 to 30 Vdc
or
24 Vac
DDC PANEL
COMMON
INPUT mA OR VOLTAGE
INPUT mA OR VOLTAGE
ORDERING INFORMATION
Outputs
CWVS
1 = 0-3/5/10VDC and 4 -20mA
2 = Dual 4-20m A
3 = Dual 0-3/5/10VD C
Example:
CWVS 1 1 1 5
Relay Option
X = None
1 = Relay
Output #2 mA or voltage
Power
Ground
Output #1
mA or voltage
V OUT 1 Relay 2
10
5
3
V OUT 2 Relay 1
10
5
3
Thermistor/2nd
Relay option
Status
800
1000
Status
800
1000
Calibrate
X = No option
B = 100R Platinu m
C = 1k Platinum
D = 10k T2
E = 2.2k
F = 3k
H = 10k T3
J = 10k Dale
K = 10k w/11k with shunt
M = 20k NTC
N = 1800 ohm
P = 10m V/C
R = 10k US
S = 10k 3A 221
U = 20k “D”, Ther mistor
W = 10k T2 high acc uracy, Thermis tor
Y = 10k T3 high acc uracy, Thermist or
1 = Relay
Relay 1 output
(optional)
Relay 2/temp
output
(optional)
Warranty
1 = 1 Year
3 = 3 Years
5 = 5 Years
Housing
Blank = White/gray
B = Black
3.3"
(84 mm)
1.4"
(36 mm)
4.6"
(116 mm)
HQ0001742.F 0117
TM
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