Johnson Controls NS Series Installation Instructions Manual

NS Series Network Sensors with Fault Code Capability

Installation Instructions

NS-ATB7F03-x, NS-BTB7F03-x
Applications
The surface-mounted NS Series Network Sensor with
Fault Code Capability is an electronic zone sensor
designed to function directly with Johnson Controls®
BACnet® MS/TP digital controllers in HVAC systems.
Models in this series monitor the temperature setpoint
and zone temperature and transmit this data to a field
controller on the Sensor Actuator (SA) Bus.
This sensor is designed to assist with the California
Energy Code (Title 24), providing a visual indication of
operational faults with rooftop equipment. The NS
Series sensor displays codes that may indicate the
system is operating inefficiently. Fault codes include
air temperature sensor failure or fault, not
economizing properly, economizer return air,
economizer not using outdoor air, outdoor air not
suitable, and damper not modulating. See Table 2 for
additional Fault Code information.
You may adjust the setpoint while the sensor displays
the fault. You must reset the fault at the equipment
controller. The sensor cannot reset the fault.
All models feature a temperature setpoint dial and
LCD designed to make adjusting the temperature
setpoint and viewing the zone temperature easier.
A °F/°C push button is available on certain models to
provide temperature scale options for display. An
occupancy override function is featured on all models,
which allows the user to signal the controller that the
space is occupied, to request an override of
time-of-day scheduling. Rotating the setpoint dial
signals occupancy. See Temperature Setpoint
Adjustment/Occupancy Override/Fault Temporary
Override for more information.
NS Series Network Sensors with Fault Code Capability Installation Instructions
24- 10094- 76, Rev . C
Part No. 24-10094-76, Rev. C
All models include an SA Bus access port for
connecting accessories to access the SA Bus. This
feature allows a technician to commission or service
the controller via the network sensor.
IMPORTANT: The surface-mounted NS Series
Network Sensor with Fault Code Capability is
intended to provide an input to equipment under
normal operating conditions. Where failure or
malfunction of the network sensor could lead to
personal injury or property damage to the controlled
equipment or other property, additional precautions
must be designed into the control system.
Incorporate and maintain other devices, such as
supervisory or alarm systems or safety or limit
controls, intended to warn of or protect against
failure or malfunction of the network sensor.
IMPORTANT : Le surface-mounted NS Series
Network Sensor with Fault Code Capability est
destiné à transmettre des données entrantes à un
équipement dans des conditions normales de
fonctionnement. Lorsqu'une défaillance ou un
dysfonctionnement du network sensor risque de
provoquer des blessures ou d'endommager
l'équipement contrôlé ou un autre équipement, la
conception du système de contrôle doit intégrer des
dispositifs de protection supplémentaires. Veiller
dans ce cas à intégrer de façon permanente
d'autres dispositifs, tels que des systèmes de
supervision ou d'alarme, ou des dispositifs de
sécurité ou de limitation, ayant une fonction
d'avertissement ou de protection en cas de
défaillance ou de dysfonctionnement du network
sensor.
Issued March 2016
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