Johnson Controls SCD-P1 Serie Bedienungsanleitung

SCD-P1xxx | -P2xxx Duct sensor for air quality
Product Bulletin
EN DE
Carbon dioxide gas (CO2) is a component of the earth's
atmosphere. Although carbon dioxide is invisible and odorless, an
increased CO2 content in the indoor air leads to fatigue and
reduced concentration for humans.
In rooms with high occupancy, such as conference rooms and
theatres, the negative effects on humans becomes all the more
evident.
The SCD-P series duct mount transmitters are designed for the
measurement of Carbon Dioxide (CO2) in Heating Ventilating and
Air Conditioning applications where Demand Control Ventilation
(DCV), fresh air and indoor Air Quality (IAQ), and rooftop air
handling economizer control systems are often required.
The SCD-Pxxxx sensors incorporate the a dual wavelength NDIR
CO2 sensor, which compensates for ageing effects, is highly
insensitive to pollution and offers outstanding long term stability.
The SCD-Pxxxx Transmitter is available with CO2 output 0-10 V
or 2x 0..10 V (CO2 + temperature), optional with passive
temperature sensor.
Features
Support demand control ventilation
Offer potential for 10 to 70% energy savings
Single beam dual wavelength NDIR CO2 sensor
Highly insensitive to pollution and outstanding long term stability
Easy mounting and service
No expertise required, the hinged lid housing, the removable cable entry and the removable plug-in terminal
reduce installation time and costs
High protection grade
The IP65 enclosure make it suitable for several environments
Product overview
This transmitter uses NDIR CO2 sensing technology operates in accordance with the single-beam,
dualwavelength method. The temperature calibrated sensor has unique reference measurement capabilities,
offering excellent stability over both time and temperature.
It requires a 15..35 VDC or 19..29 VAC power source and generates an output signal proportional to the CO2
level detected. SCD-Pxxxx can operate in support of Demand Control Ventilation (DCV), with fresh air and Indoor
Air Quality (IAQ) systems, with rooftop air handling Economizer controls systems, in Standalone applications or
as part of any integrated Building Automation strategy. Using the CO2 transmitter results in considerable savings
in installation, operation, and maintenance costs with no recalibration expenses. Johnson Controls CO2
transmitters, when used with BAS/Economizer controllers (featuring DCV strategies), can generate energy
savings ranging up to:
• 20 to 40% in office buildings
• 20 to 60% in restaurants/light retail facilities
• 10 to 70% in educational/business settings
SCD-P1xxx | -P2xxx Differential Pressure Transmitter
1
Issued 05.10.2020 | Rev.1