INSTALLATION INSTRUCTIONS
senvainc.com 1-866-660-8864 (F)1-503-296-2529 9290 SW Nimbus Ave. Beaverton Oregon 97008
AQD Duct Series
AQO Outdoor Series
Analog and BACnet versions
CO2/RH/T Combination Sensor
IMPORTANT WARNINGS
• Only qualified trade installers should install this product
• This product is not intended for life-safety applications
• Do not install in hazardous or classified locations
• The installer is responsible for all applicable codes
• De-energize power supply prior to installation or service
PRODUCT APPLICATION LIMITATION:
Senva products are not designed for life or safety applications.
Senva products are not intended for use in critical applications
such as nuclear facilities, human implantable device or life sup-
PRODUCT IDENTIFICATION
OPERATION
The AQ series design allows customization for a sensor that
meets project requirements for monitoring temperature, CO2
and relative humidity. The product can be ordered for outdoor
or duct mount and with a 0-5/10V analog or BACnet RS485
output.
To verify the features see the ‘Product Identification’ section of
the installation manual.
RTD/Thermistor*
A = None
C = 100Pt (385) RTD
D = 1000Pt (385) RTD
E = 10k type 2
F = 10k type 3
Output
CO2 Sensor
A = None
B = CO2 Sensor
D = Dual Channel CO2
RH Sensor
A = None
B = 2% RH Sensor
Output Type
A = Analog (0-5/10V)
B = BACnet
CO2
RH
RTD/TH
D
*Add-on RTD/Thermistor is not readable via BACnet.;
Temperature output is standard on AQ devices.
AQ -
Package
D = Duct
O = Outdoor
INSTALLATION
AQD (Duct) Installation
1. Drill a 3/4” hole in duct. Install sensor using gasket and
screws provided. The pickup tube will ensure adequate air flow
regardless of air flow direction.
2. Mount unit to duct with supplied screws. Continue to step 3
under general installation.
AQO (Outdoor) Installation
1. Select an outdoor location under an eave on north side of
building away from direct sunlight and rain exposure.
2. Mount product to building with supplied screws. Continue
to step 3 under general installation.
General (both) Installation
3. If installing with a conduit adapter, remove and replace the
factory-installed cable gland.
4. Wire analog (or RS485 for BACnet version) outputs as needed.
5. Apply power to sensor.
6. Tighten cable gland firmly around wires. If installing with a
conduit adapter, seal wire entry to prevent conduit air from
affecting sensor readings or operation.
7. Close lid and tighten screw. Cover must be securely installed
to prevent moisture from entering enclosure.
AQD (Duct)
AQO (Outdoor)
G = 10k w/11k
H = 3k
I = 2k2
J = 1k8
K = 20k
