Johnson Controls NS Series, NS-ATB7F03 Series, NS-BTB7F03 Series, NS-ATB7F03-0, NS-ATB7F03-1 Installation Instructions Manual

NS Series Network Sensors with Fault Code Capability

24- 10094-76, Rev. C

Installation Instructions

NS-ATB7F03-x, NS-BTB7F03-x

Part No. 24-10094-76, Rev. C

Issued March 2016

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.

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.

NS Series Network Sensors with Fault Code Capability Installation Instructions 1

North American Emissions Compliance

!

United States

This equipment has been tested and found to
comply with the limits for a Class A digital device
pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection
against harmful interference when this equipment is
operated in a commercial environment. This
equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in
accordance with the instruction manual, may cause
harmful interference to radio communications.
Operation of this equipment in a residential area
may cause harmful interference, in which case the
users will be required to correct the interference at
their own expense.

Canada

The following ambient operating conditions apply:

• Temperature: 32 to 104°F (0 to 40°C)

• Humidity: 10 to 90% Relative Humidity (RH),
noncondensing; 85°F (29°C) maximum dew point

To mount the network sensor to the wall:

1. Use a 1/16 in. (1.5 mm) Allen wrench or
Johnson Controls T-4000-119 Allen-Head
Adjustment Tool to loosen the security screw on
the top of the unit.

2. Insert a coin into the slot next to the security screw
location, then carefully pry the top edge of the
sensor assembly away from its mounting base and
remove.

IMPORTANT: Do not remove the Printed Circuit
Board (PCB). Removing the PCB voids the product
warranty.

This Class (A) digital apparatus meets all the
requirements of the Canadian Interference-Causing
Equipment Regulations.

Cet appareil numérique de la Classe (A) respecte
toutes les exigences du Règlement sur le matériel
brouilleur du Canada.

Installation

Special Tools Needed

A 1/16 in. (1.5 mm) Allen wrench or a Johnson Controls
T-4000-119 Allen-Head Adjustment Tool is required
during installation.

Mounting

Location Considerations

Locate the network sensor:

• on a partitioning wall, approximately 5 ft (1.5 m)
above the floor in a location of average
temperature

• away from direct sunlight, radiant heat, outside
walls, outside doors, air discharge grills, or
stairwells; and from behind doors

• away from steam or water pipes, warm air stacks,
unconditioned areas (not heated or cooled), or
sources of electrical interference

Note: The network sensor is shock and vibration
resistant; however, be careful not to drop the unit or
mount it where it could be exposed to excessive
vibration.

3. Pull out approximately 6 in. (152 mm) of cable from
the wall, and insert the cable through the hole in
the mounting base.

4. Align the mounting base on the wall, and use the
base as a template to mark the location of the two
mounting holes on the surface.

Note: Confirm that the mounting base is positioned
with the proper edge up. The mounting base is
positioned properly when the security screw is located
on the top edge of the base.

5. Secure the mounting base to the wall using the
appropriate mounting hardware (field furnished).

6. Wire the network sensor. For more details on
wiring the MS/TP Communications Bus, refer to
the MS/TP Communications Bus Technical Bulletin
(LIT-12011034).

Wire the screw terminal block as illustrated in
Figure 2.

CAUTION: Risk of Electric Shock.

Disconnect the power supply before
making electrical connections to avoid
electric shock.

MISE EN GARDE : Risque de décharge
électrique.

Débrancher l'alimentation avant de
réaliser tout raccordement électrique afin
d'éviter tout risque de décharge
électrique.

NS Series Network Sensors with Fault Code Capability Installation Instructions2