Johnson Controls NS Series Installation Instructions Manual
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NS Series Network Sensors with Fault Code Capability Installation Instructions 1
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
NS-ATB7F03-x, NS-BTB7F03-x
Part No. 24-10094-76, Rev. C
Issued March 2016
24- 10094-76, Rev. C
NS Series Network Sensors with Fault Code Capability Installation Instructions2
North American Emissions Compliance
United States
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.
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.
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.
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.
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.
IMPORTANT: Do not remove the Printed Circuit
Board (PCB). Removing the PCB voids the product
warranty.
!
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 Instructions 3
7. Align the tabs on the bottom edge of the mounting
base with the slots on the bottom edge of the
network sensor assembly, and rotate the assembly
onto its mounting base.
Note: Ensure the terminal block pins align with the
holes in the terminal block.
8. Use a 1/16 in. (1.5 mm) Allen wrench or
Johnson Controls T-4000-119 Allen-Head
Adjustment Tool to tighten the security screw and
fasten the network sensor assembly to the
mounting base.
Note: Do not overtighten the security screw to avoid
damaging the unit.
9. Use the local LCD on the controller to commission
and configure the network sensor.
Setup and Adjustments
Temperature Setpoint Adjustment/Occupancy
Override/Fault Temporary Override
The large dial on the face of the network sensor
functions in two ways: to increase or decrease the
setpoint temperature, and to change the controller
mode from unoccupied and occupied. When the dial
is rotated slightly, the backlight on the LCD lights up. If
the dial is rotated slightly again, and the controller is in
the unoccupied mode, the controller changes from the
after-normal-working-hours setback mode to the
normal-working-hours comfort mode. To adjust the
setpoint, continue rotating the dial until the current
setpoint is displayed and flashing. Turn the dial
clockwise to increase the setpoint and
counterclockwise to decrease the setpoint. Stop turning
the dial once the desired setpoint is reached. The new
setpoint stops flashing and becomes fixed after a few
seconds.
IMPORTANT: Failure to adhere to these wiring
details causes the network sensor to function
incorrectly. You will not be able to connect to the
system using the wireless commissioning converter
or the handheld VAV balancing tool, and you will not
be able to expand the system with future offerings.
Figure 1: Pin Number Assignments
Pin Number Assignment for
Straight-Through Cable
Printed Circuit Board
SA P
ower (Network
Sensor)
2
3
45
6
1
FIG:mdlr_jck
S
A
+
S
A
-
SA B
us
C
ommo
n
(Tool
A
cces
s)
S
A
Power
(T
oo
l
A
cc
ess
)
Main
Network
Port
S
A
Bus Co
m
m
o
n
(
Ne
t
work
Sensor)
Figure 2: Wiring to the Screw Terminal Block
FIG:scrw_trmnl_blck
Figure 3: LCD for NS Sensors with
Fault Code Capability
Occupied/Unoccupied Mode
Celsius Temperature
FIG:lcd_w_fn
Fahrenheit Temperature
Loss of Network Connection Symbol
°F
%
°C
NS Series Network Sensors with Fault Code Capability Installation Instructions4
If a fault code appears, the setpoint operation
continues to function. Rotate the dial slightly and the
backlight on the LCD lights up. The fault code
disappears and the setpoint reappears. You can adjust
the setpoint. The fault reappears after approximately
35 seconds of adjusting the setpoint.
°F/°C Temperature Mode Selection
Certain models include a °F/°C push button on the face
of the network sensor to provide temperature scale
options for display. Pressing the push button toggles
the temperature mode between Fahrenheit and Celsius
on the LCD.
Network Sensor Addressing
Most network sensors have a default device address of
199 on the SA Bus. For averaging models, the sensor
address must be set on the dual-switch DIP switch
block on the network sensor Printed Wire Board
(PWB).
Averaging models are shipped with both switches set
to ON, resulting in a device address of 203. Device
addresses can be DIP switch set from 200 to 203; see
Figure 4 and Table 1 for more details.
Table 1: Network Sensor Addressing
DIP Switch
Address
Switch 2 Switch 1
200 OFF OFF
201 OFF ON
202 ON OFF
203 ON ON
Figure 4: Dual-Switch
DIP Switch Block
1
O
N
2
ON
FIG:dp_swtch_blck
NS Series Network Sensors with Fault Code Capability Installation Instructions 5
NS Sensors with Fault Code Capability Error Codes
The fault indication comes through the Network Sensor
Bus when a Network Sensor is used in the Zone. The
LCD indicates the code number for all the required
state of California Title 24 economizer fault conditions.
Table 2 describes the faults.
Ordering Information
Repair Information
If the Fault Code Network Sensor fails to operate within
its specifications, replace the unit. For a replacement
network sensor, contact the nearest Johnson Controls
representative.
Table 2: Network Sensors with Fault Code Capability Error Codes
Display Text California Title 24 Economizer
Fault Condition
Possible Problem
EF1 Air temperature sensor failure/fault Problem with one of the air temperature sensors. Check
Outdoor Air, Return Air, or Supply Air sensors.
EF5 Not economizing when it should The economizer is not using outdoor air when it should.
EF6 Economizing when it should The economizer is allowing outdoor air inside when the
conditions are not suitable for economizer operation.
EF8 Damper not modulating The economizer damper is not able to modulate properly.
Check damper, linkage to actuator, or the actuator.
EF9 Excess outdoor air The economizer is allowing excess outdoor air inside.
Table 3: Network Sensors with Fault Code Capability Ordering Information (Title 24 Models for
Economizer Fault Detection Diagnostics [FDD])
Product
Code Number
Size (mm),
Height x Width
Vertical
Wallbox-
Mounted
(WB)
LCD
Display,
F/C Scale
Toggle
Screw
Terminals
Address
Switches
Temperature
Adjustment:
Setpoint (Set)
or Warmer/
Cooler Dial
(W/C)
Johnson
Controls
Logo
VAV
Balancing
Feature
NS-ATB7F03-0 80 x 80 Yes Yes, Yes Yes Yes Set Yes No
NS-ATB7F03-1 80 x 80 Yes Yes, Yes Yes Yes Set No No
NS-BTB7F03-0 80 x 120 Yes Yes, Yes Yes Yes Set Yes No
NS-BTB7F03-1 80 x 120 Yes Yes, Yes Yes Yes Set No No
Published in U.S.A. www.johnsoncontrols.com
NS Series Network Sensors with Fault Code Capability Installation Instructions6
Metasys® and Johnson Controls® are registered trademarks of Johnson Controls, Inc.
All other marks herein are the marks of their respective owners. © 2016 Johnson Controls, Inc.
Building Efficiency
507 E. Michigan Street, Milwaukee, WI 53202
Technical Specifications
NS Series Network Sensors with Fault Code Capability
Supply Voltage 9.8 to 16.5 VDC; 15 VDC Nominal (From SA Bus)
Current Consumption 21 mA maximum, non-transmitting (from SA Bus)
Network Sensor Addressing DIP Switch set from 200 to 203; Factory set at 203
Terminations Screw Terminal Block
Screw Terminal Wire Size 18 to 22 AWG (1.0 to 6.0 mm Diameter); 22 AWG (0.6 mm Diameter) recommended
Communication Rate Auto-Detect: 9.6k, 19.2k, 38.4k, or 76.8k bps
Temperature Measurement
Range
32.0°F/0.0°C to 104.0°F/40.0°C
Temperature Sensor Type Local Platinum Resistance Temperature Detector (RTD)
Temperature Resolution ±0.5F°/±0.5C°
Temperature
Accuracy
NS Series
Network
Sensor
±1.0F°/±0.6C°
Temperature
Element Only
0.35F° at 70°F (0.19C° at 21°C)
Time Constant 10 Minutes Nominal at 10 fpm Airflow
Default Temperature Setpoint
Adjustment Range
50.0°F/10.0°C to 86.0°F/30.0°C in 0.5° Increments
Ambient
Conditions
Operating 32 to 104°F (0 to 40°C); 10 to 90% RH, Noncondensing;
85°F (29°C) Maximum Dew Point
Storage -4 to 140°F (-20 to 60°C); 5 to 95% RH, Noncondensing
Compliance United States UL Listed, File E107041, CCN PAZX,
Under UL 916, Energy Management Equipment
FCC Compliant to CFR 47, Part 15, Subpart B, Class A
Canada UL Listed, File E107041, CCN PAZX7,
Under CAN/CSA C22.2 No. 205, Signal Equipment
Industry Canada, ICES-003
Europe CE Mark – Johnson Controls, Inc., declares that this product is in compliance with the
essential requirements and other relevant provisions of the EMC Directive.
Australia and
New Zealand
RCM Mark, Australia/NZ Emissions Compliant
Dimensions
(Height x Width x Depth)
NS-ATBF703-x: 3-5/32 x 3-5/32 x 1-3/8 in. (80 x 80 x 35 mm)
NS-BTB7F03-x: 4-23/32 x 3-5/32 x 1-3/8 in. (120 x 80 x 35 mm)
Shipping Weight 0.25 lb (0.11 kg)
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these
specifications, consult the local office. Johnson Controls, Inc. shall not be liable for damage resulting from misapplication or misuse of its
products.
European Single Point of Contact: NA/SA Single Point of Contact: APAC Single Point of Contact:
JOHNSON CONTROLS
WESTENDHOF 3
45143 ESSEN
GERMANY
JOHNSON CONTROLS
507 E MICHIGAN ST
MILWAUKEE WI 53202
USA
JOHNSON CONTROLS
C/O CONTROLS PRODUCT
MANAGEMENT
NO. 22 BLOCK D NEW DISTRICT
WUXI JIANGSU PROVINCE 214142
CHINA
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Johnson Controls NS Series Installation Instructions Manual
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