| Вид документа | Інструкція з монтажу |
|---|---|
| Виробник | JCI |
| Код документа | ns-series-co2-network-sensors-installation-guide |
| Група обладнання | NS Series CO2 Network Sensors |
| Сторінок | 6 |
| Мова документа | англійська |
| Розмір файлу | 0.1 МБ |
Текст документа
24- 10424- 6, Rev . E
NS Series CO2 Network Sensors
Installation Instructions
Part No. 24-10424-6, Rev. E
NS-BCN7004-0, NS-BCN7004-2 Issued March 2016
Applications
The NS Series CO2 Network Sensors are electronic IMPORTANT: The NS Series CO2 Network
zone sensors designed to function directly with Sensors are intended to provide an input to
Johnson Controls® BACnet® MS/TP digital controllers equipment under normal operating conditions.
in Heating, Ventilating, and Air Conditioning (HVAC) Where failure or malfunction of the network sensor
systems. could lead to personal injury or property damage to
the controlled equipment or other property,
These sensors monitor room carbon dioxide (CO2). additional precautions must be designed into the
This data is transmitted to a field controller on the control system. Incorporate and maintain other
Sensor Actuator (SA) Bus. devices, such as supervisory or alarm systems or
safety or limit controls, intended to warn of or protect
Applications include Demand Control Ventilation
against failure or malfunction of the network sensor.
(DCV) with fresh air and Indoor Air Quality (IAQ), as
part of a system to meet ANSI/ASHRAE Standard IMPORTANT : Le NS Series CO2 Network Sensors
62.1-2010 Ventilation for Acceptable Indoor Air est destiné à transmettre des données entrantes à
Quality. For DCV applications, fresh air is brought into un équipement dans des conditions normales de
a zone fonctionnement. Lorsqu'une défaillance ou un
based on the concentration levels of CO2. dysfonctionnement du network sensor risque de
provoquer des blessures ou d'endommager
The NS Series CO2 Network Sensors include
l'équipement contrôlé ou un autre équipement, la
DIP switches to set a unique address in averaging
conception du système de contrôle doit intégrer des
applications. The wires connecting the network sensor
dispositifs de protection supplémentaires. Veiller
to the controller can be terminated using either a dans ce cas à intégrer de façon permanente
modular jack or screw terminal block, offering wiring d'autres dispositifs, tels que des systèmes de
flexibility. supervision ou d'alarme, ou des dispositifs de
The NS Series CO2 Network Sensors include an sécurité ou de limitation, ayant une fonction
SA Bus access port for connecting accessories to d'avertissement ou de protection en cas de
access the SA Bus. This feature allows a technician to défaillance ou de dysfonctionnement du network
commission or service the controller via the network sensor.
sensor.
NS Series CO2 Network Sensors Installation Instructions 1
North American Emissions Compliance Note: The network sensor is shock and vibration
resistant; however, be careful not to drop the unit or
United States mount it where it could be exposed to excessive
vibration.
This equipment has been tested and found to
comply with the limits for a Class A digital device The following ambient operating conditions apply:
pursuant to Part 15 of the FCC Rules. These limits
• Temperature: 32 to 104°F (0 to 40°C)
are designed to provide reasonable protection
against harmful interference when this equipment is • Humidity: 10 to 90% Relative Humidity (RH),
operated in a commercial environment. This noncondensing; 85°F (29°C) maximum dew point
equipment generates, uses, and can radiate radio
To mount the network sensor to a wallbox:
frequency energy and, if not installed and used in
accordance with the instruction manual, may cause 1. Use a 1/16 in. (1.5 mm) Allen wrench or
harmful interference to radio communications. Johnson Controls T-4000-119 Allen-Head
Operation of this equipment in a residential area Adjustment Tool to loosen the security screw on
may cause harmful interference, in which case the the top of the unit.
users will be required to correct the interference at
2. Insert a coin into the slot next to the security screw
their own expense.
location, pressing the tab that keeps the unit
Canada closed. Then carefully pry the top edge of the
sensor assembly away from its mounting base and
This Class (A) digital apparatus meets all the remove.
requirements of the Canadian Interference-Causing
Equipment Regulations. IMPORTANT: Do not insert tools into the housing.
Be careful not to damage any components when
Cet appareil numérique de la Classe (A) respecte pushing on the tab.
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
Installation warranty.
Special Tools Needed
Pull out approximately 6 in. (152 mm) of cable from the
A 1/16 in. (1.5 mm) Allen wrench or a Johnson Controls
wallbox, and insert the cable through the hole in the
T-4000-119 Allen-Head Adjustment Tool is required
mounting base.
during installation.
3. Align the mounting base on the wallbox.
Mounting
Note: Confirm that the mounting base is positioned
Note: The NS Series CO2 Network Sensors are with the proper edge up. The mounting base is
intended to be mounted on a vertically roughed-in positioned properly when the security screw is located
wallbox only; do not attempt to mount the network on the top edge of the base.
sensor on a horizontally roughed-in wallbox.
4. Secure the mounting base to the wallbox using the
Location Considerations appropriate mounting hardware (field furnished).
Locate the network sensor:
5. Wire the network sensor as follows:
• on a partitioning wall, approximately 5 ft (1.5 m) SA Bus Wiring: For the modular jack, simply snap
above the floor in a location of average the wiring plug into the jack. See Figure 1 for
temperature modular jack pin number assignments. A modular
• away from direct sunlight, radiant heat, outside jack requires a straight-through, one-to-one
walls, outside doors, air discharge grills, or connection (not a crossover). For the screw
stairwells; and from behind doors terminal block, wire the unit as illustrated in
Figure 2.
• away from steam or water pipes, warm air stacks,
unconditioned areas (not heated or cooled), or Note: Connect to the SA Bus using either the screw
sources of electrical interference terminal block or the modular jack. Do not use both.
2 NS Series CO2 Network Sensors Installation Instructions
24-Volt Supply Wiring: Connect the
24 VAC/VDC, Class 2 power supply required by
the NS Series CO2 Network Sensors to the HOT
and COM screw terminal block, whether using the
screw terminal block or modular jack for the Main
SA Bus connection. Network
Port
IMPORTANT: Do not connect the 24 power
Pin Number Assignment for
common to the SA Bus common. The SA Bus Straight-Through Cable
common is an isolated signal common.
FIG:mdlr_jck
6 5 4 3 2 1
For more details on wiring and distance guidelines
for the MS/TP Communications Bus, refer to the Printed Circuit Board
MS/TP Communications Bus Technical Bulletin
(LIT-12011034).
r) - +
SA SA
C om
m nso
CAUTION: Risk of Electric Shock. o
SA S n (N Se
k
Disconnect the power supply before or
Bu A P etw
! making electrical connections to avoid
w
er
s
et
w
o
C we ork
(N
om r
m (To ens
on ol
S
(T Ac r)
o
electric shock.
Po oo ce
l A ss
MISE EN GARDE : Risque de décharge SA
Bu
cc )
es
s s)
électrique. SA
Débrancher l'alimentation avant de
réaliser tout raccordement électrique afin Figure 1: Modular Jack Pin Number Assignments
d'éviter tout risque de décharge
électrique.
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 Variable Air Volume (VAV) balancing
tool, and you will not be able to expand the system
with future offerings.
6. Align the tabs on the bottom edge of the mounting
FIG:scrw_trmnl_blck
base with the slots on the bottom edge of the
network sensor assembly, and rotate the assembly
onto its mounting base.
Note: For the screw terminal block, be certain that the
terminal block pins align with the holes in the terminal
Figure 2: Wiring to the Screw Terminal Block
block.
7. Use a 1/16 in. (1.5 mm) Allen wrench or 8. Use the Metasys® Controller Configuration
Johnson Controls T-4000-119 Allen-Head Tool (CCT) or Facility Explorer Programmable
Adjustment Tool to tighten the security screw and Controller Tool (FX-PCT) software to commission
fasten the network sensor assembly to the the network sensor. Refer to the Controller Tool
mounting base. Help (LIT-12011147) for more details.
Note: Do not overtighten the security screw; doing so
may damage the unit.
NS Series CO2 Network Sensors Installation Instructions 3
Setup and Adjustments As of Release 5.3, the NS Series CO2 Network
Sensors (Zone Quality [ZN-Q] Analog Input [AI]) in the
Network Sensor Addressing
CCT and FX-PCT software automatically change the
Table 1 lists the available DIP switch addresses and hPa value entered from Table 2 into the correct Offset
the DIP switch settings required to obtain them. value. The Offset value for the SA Bus device is
labeled ppm; however, it is the proper field to enter the
On
(Closed) hPa value found in Table 2. Refer to the Controller Tool
Help (LIT-12011147) for more details.
Note: Enter the pressure value only in units of hPa.
FIG:dp_swtch_blck
Off The sensor reads the value entered as hectopascals.
4 2 1 (Open) The CO2 Present Value may require several minutes to
settle after changing the Offset value.
Figure 3: Setting the DIP Switch Block
Table 2 lists local altitude values.
Table 1: Setting the DIP Switch Address Table 2: CO2 Altitude Compensation
Available DIP Switch Settings Altitude Above Sea Absolute Pressure
DIP Switch Switch 4 Switch 2 Switch 1 Level
Addresses
Feet Meters in. Hg hPa
212 Off (Open) Off (Open) Off (Open)
-656 -200 30.6 1,038
213 Off (Open) Off (Open) On (Closed)
0 0 29.9 1,013
214 Off (Open) On (Closed) Off (Open)
656 200 29.2 989
215 Off (Open) On (Closed) On (Closed)
1,312 400 28.5 966
216 On (Closed) Off (Open) Off (Open)
1,969 600 27.9 943
217 On (Closed) Off (Open) On (Closed)
2,625 800 27.2 921
218 On (Closed On (Closed) Off (Open)
3,281 1,000 26.5 899
219 On (Closed) On (Closed) On (Closed)
3,937 1,200 25.9 877
CO2 Altitude Compensation 4,593 1,400 25.3 856
5,249 1,600 24.7 835
The Johnson Controls NS Series CO2 Network
Sensors ship from the factory calibrated for an altitude 5,906 1,800 24.1 815
range of 0 to 2,000 ft (0 to 600 m) without 6,562 2,000 23.5 795
compensation. 7,218 2,200 22.9 775
For altitudes above 2,000 ft (600 m) where optimum 7,874 2,400 22.3 756
accuracy of the CO2 concentration measurement is 8,530 2,600 21.8 738
essential, modify the Offset property of the NS Series 9,186 2,800 21.2 719
CO2 Network Sensors (Zone Quality [ZN-Q] Analog
9,843 3,000 20.7 701
Input [AI]). The Offset represents the local atmospheric
pressure in hectopascals (hPa). Set the Offset to the
known local pressure or use the local altitude value Reset
listed in Table 2. The factory default value is 978 hPa. If the NS Series CO2 Network Sensors need a reset,
cycle the 24-volt power supply. The 15-volt SA Bus
power does not require cycling.
Repair Information
If the NS Series CO2 Network Sensor fails to operate
within its specifications, replace the unit. For a
replacement network sensor, contact the nearest
Johnson Controls representative.
4 NS Series CO2 Network Sensors Installation Instructions
Technical Specifications
NS Series CO2 Network Sensors (Part 1 of 2)
Supply Voltage Non-isolated: 20 to 30 VAC (18 to 30 VDC), Class 2 or Safety Extra-Low Voltage (SELV)
Isolated: 9.8 to 16.5 VDC; 15 VDC Nominal (From SA Bus)
Current Non-isolated: 22 mA Average at 24 VAC; 28 mA Average at 24 VDC
Consumption
Isolated: 5 mA Maximum, Non-transmitting (From SA Bus)
Power Non-isolated: Less Than 0.7 W Average
Consumption
Terminations Non-isolated Supply: Screw Terminal Block
SA Bus: Modular Jack or Screw Terminal Block
Sensor DIP Switch Set from 212 to 219; Factory Set at 212
Addressing
Wire Size Modular Jack: 24 or 26 AWG (0.5 or 0.4 mm Diameter); Three Twisted Pair (Six Conductors)
Screw Terminal Block: 18 to 22 AWG (1.0 to 0.6 mm Diameter); 22 AWG (0.6 mm Diameter)
Recommended
Communication Auto-Detect: 9.6k, 19.2k, 38.4k, or 76.8k bps
Rate
CO2 0 to 2,000 ppm
Measurement
Range
CO2 Sensing Plus or Minus the Sum of 40 ppm and 2.0% of the CO2 Reading at 77°F (25°C) and 978 hPa or an
Accuracy Altitude of 1,000 ft/300 m
Note: All accuracy specifications reflect the testing of the device using high-grade certified gases. This
device is intended for an altitude range of 0 ft/0 m to 2,000 ft/600 m above sea level without
compensation.
Temperature Dependence of Output: -0.35% of the CO2 Reading per 1.8F°/1C° Typical
Pressure Dependence of Output: +0.15% of the CO2 Reading per 1 hPa Typical
CO2 Sensing 1 ppm
Resolution
CO2 Sensing 1 Minute (0 to 90%)
Response Time
CO2 Sensing Less Than 1 Minute; Less Than 10 Minutes for Full Accuracy
Warm-Up Time
CO2 Sensing Less Than ±100 ppm Over 5 Years
Long-Term
Stability
Mounting Surface-Mounted or Vertical Wallbox-Mounted: 120 x 80 mm
Ambient Operating: 32 to 104°F (0 to 40°C); 10 to 90% RH, Noncondensing; 85°F (29°C) Maximum Dew Point;
Conditions 700 to 1,200 hPa
Storage: -40 to 158°F (-40 to 70°C); 5 to 95% RH, Noncondensing
NS Series CO2 Network Sensors Installation Instructions 5
NS Series CO2 Network Sensors (Part 2 of 2)
Compliance BACnet International:
BACnet Testing Laboratories™ (BTL) 135-2004 Listed BACnet Smart Sensor (B-SS)
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
Shipping Weight 0.35 lb (0.16 kg)
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these
specifications, consult the local Johnson Controls 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 JOHNSON CONTROLS JOHNSON CONTROLS
WESTENDHOF 3 507 E MICHIGAN ST C/O CONTROLS PRODUCT
45143 ESSEN MILWAUKEE WI 53202 MANAGEMENT
GERMANY USA NO. 22 BLOCK D NEW DISTRICT
WUXI JIANGSU PROVINCE 214142
CHINA
Building Efficiency
507 E. Michigan Street, Milwaukee, WI 53202
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.
6 NS Series CO2 Network Sensors Installation Instructions
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