Carrier Zone Ctrl II Installation manual

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Zo on ne e C Ct tr rl l I II I a an nd d
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VA AV V Z Zo on ne e I II I S Se ec co on nd da ar ry y
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Du uc ct t I In ns st ta al ll la at ti io on n a an nd d
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St ta ar rt t-
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CARRIER CORPORATION ©2019
A member of the United Technologies Corporation family · Stock symbol UTX · Catalog No. 11-808-664-01 · 1/25/2019

Verify that you have the most current version of this document from
www.hvacpartners.com
or your local Carrier
office.
Important changes are listed in
Document revision history
at the end of this document.
CARRIER CORPORATION ©2019. All rights reserved throughout the world. i-Vu is a registered trademark of Carrier
Corporation. All other trademarks are the property of their respective owners.

Contents
Overview and specifications ....................................................................................................................................... 1
What are the Zone Ctrl II and VAV Zone II Secondary Duct? .........................................................................1
Zone Ctrl II specifications ....................................................................................................................................3
VAV Zone II Secondary Duct specifications ......................................................................................................5
Safety considerations...........................................................................................................................................5
Installing the Zone Ctrl II............................................................................................................................................. 6
To mount the Zone Ctrl II.....................................................................................................................................6
Wiring the Zone Ctrl II for power ..................................................................................................................... 10
To wire the controller for power..........................................................................................................11
Addressing the Zone Ctrl II............................................................................................................................... 12
Using flow sensors............................................................................................................................................. 12
To connect duct tubes to the flow sensors........................................................................................13
To set up the Airflow Control microblock ...........................................................................................14
Wiring for communications.............................................................................................................................. 15
Wiring specifications for BACnet MS/TP and ARC156......................................................................15
To wire the controller to the BACnet network ....................................................................................15
Wiring inputs and outputs ................................................................................................................................ 16
Input wiring specifications ..................................................................................................................16
Inputs ...................................................................................................................................................17
Analog outputs ....................................................................................................................................17
Binary outputs .....................................................................................................................................17
To wire inputs and outputs .................................................................................................................18
Wiring devices to the Zone Ctrl II's Rnet port................................................................................................ 19
Wiring specifications ...........................................................................................................................19
To wire ZS sensors to the controller...................................................................................................20
To wire the Wireless Adapter for wireless sensors............................................................................21
To wire an Equipment Touch to the Zone Ctrl II ................................................................................23
To wire the TruVu™ ET Display ...........................................................................................................24
Using a VAV Zone II Secondary Duct for a dual duct system...................................................................... 25
To wire the VAV Zone II Secondary Duct to the Zone Ctrl II ..............................................................25
To connect duct tubes to the flow sensors........................................................................................26
VAV Zone II Secondary Duct ...............................................................................................................27
Installing the Zone Ctrl II and VAV Zone II Secondary Duct into the i-Vu® application .......................................28
To use an EquipmentBuilder control program .............................................................................................. 29
To assign inputs or outputs to points.......................................................................................................................31
Input values ........................................................................................................................................................ 31
Output values ..................................................................................................................................................... 32
Resolution values .............................................................................................................................................. 33
Offset/Polarity values ....................................................................................................................................... 33
Local access to the Zone Ctrl II ................................................................................................................................34
To set up the driver....................................................................................................................................................35
Driver ................................................................................................................................................................... 35
Device .................................................................................................................................................................. 37
Notification Classes........................................................................................................................................... 38
Calendars ............................................................................................................................................................ 39
Common Alarms ................................................................................................................................................ 39
Specific Events ................................................................................................................................................... 40
Switches, Jumpers, Options ............................................................................................................................. 40
Flow Calibration Archive ................................................................................................................................... 40
Act Net Network Details ................................................................................................................................... 41
Troubleshooting .........................................................................................................................................................42

Contents
LED's .................................................................................................................................................................... 42
Possible delay before control program starts............................................................................................... 43
To get the serial number .................................................................................................................................. 44
To restore factory defaults ............................................................................................................................... 44
To replace the battery....................................................................................................................................... 44
To clean the airflow sensor orifice .................................................................................................................. 45
Compliance ................................................................................................................................................................47
FCC Compliance................................................................................................................................................. 47
CE Compliance ................................................................................................................................................... 47
Zone Ctrl II BACnet Compliance ...................................................................................................................... 47
Appendix A: Zone Ctrl II wire lists.............................................................................................................................48
Zone Ctrl II wire list............................................................................................................................................ 48
Document revision history ........................................................................................................................................49

Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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What are the Zone Ctrl II and VAV Zone II Secondary Duct?
The Zone Ctrl II (OPN-B3-P-02) is for zone control, using custom control programs. It has a built-in flow sensor and
a detachable actuator, uses a patented flow control algorithm, and mounts directly on the terminal unit damper
shaft. Use EquipmentBuilder or Snap to create or modify your control program. There are many control programs
for single and for dual duct terminals that are already prepared that you can access in EquipmentBuilder.See
Create or edit equipment control programs (page 29).
You can disconnect the actuator from the controller and mount them separately, connecting them with just the
actuator cable or using an additional extension cable, up to a maximum distance of 300 feet.
Overview and specifications

Overview and specifications
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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You can also use a VAV Zone II Secondary Duct (OPN-SECTRM-02) controller and actuator, which controls damper
movement and has an integrated flow sensor to measure airflow on the secondary VAV box in a dual duct system.
The VAV Zone II Secondary Duct works only with a Zone Ctrl II. For details, see Using a VAV Zone II Secondary Duct
(page 25).

Overview and specifications
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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Zone Ctrl II specifications
Driver drv_b3popn02
Maximum number of control
programs*
1
Maximum number of
BACnet objects*
300
* Depends on available memory
Power 24 Vac ±10%, 50–60 Hz
14 VA power consumption
26 Vdc (25 V min, 30 V max)
Single Class 2 source only, 100 VA or less
Actuator Belimo brushless DC motor, torque 45 inch-pounds (5 Nm), runtime 154 seconds
Act Net port To connect the actuator cable and the VAV Zone II Secondary Duct
BACnet port For communication with the controller network using ARC156 or MS/TP (9600
bps–76.8 kbps)
Rnet port •Supports up to 5 wireless and/or ZS sensors, and one Equipment Touch or
TruVu™ ET Display.
•Supplies 12 Vdc/200 mA power to the Rnet at an ambient temperature of
77°F (25°C) with a 24 Vac nominal power source.
NOTE Ambient temperature and power source fluctuations may reduce the
power supplied by the Rnet port.
NOTE
If the total power required by the sensors on the Rnet exceeds the power
supplied by the Rnet port, use an external power source. The Wireless Adapter,
Equipment Touch, or TruVu™ ET Display must be powered by an external power
source. See the specifications in each device's Installation and Start-up Guide to
determine the power required.
Local Access port For system start-up and troubleshooting
Inputs 4 inputs configurable for thermistor or dry contact. Inputs 1 and 2 are also
configurable for 0–5 Vdc.
Input resolution 10 bit A/D
Input pulse frequency 10 pulses per second. Minimum pulse width (on or off time) required for each
pulse is 50 msec.
Binary outputs 3 binary outputs, relay contact rated at 1 A max. @ 24 Vac/Vdc. Configured
normally open.
Analog output 1 analog output, 0–10 Vdc (5 mA max)
Output resolution 8 bit D/A
Integral airflow sensor Precision differential pressure sensor 0–2 in. H2O, sensitive down to ±0.001 in.
H2O. Barbed tapered airflow connections accept 3/16 in. (4.75 mm) I.D. tubing.
Allows for readings across the 0–2 in. H2O range, accurate to ±5% of full flow at 2
in. H2O.
Microprocessor High speed 16-bit microprocessor with ARCNET communication co-processor

Overview and specifications
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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Memory 512 kB non-volatile battery-backed RAM, 1 MB Flash memory, 16-bit memory bus
Battery 10-year Lithium CR2032 battery retains the following data for a maximum of
10,000 hours during power outages: control programs, editable properties,
schedules, and trends.
Protection Built-in surge and transient protection for power and communications in
compliance with EN61000-6-1.
Incoming power and network connections are protected by non-replaceable
internal solid-state polyswitches that reset themselves when the condition that
causes a fault returns to normal.
The power, network, input, and output connections are also protected against
transient excess voltage/surge events lasting no more than 10 msec.
CAUTION
To protect against large electrical surges on serial EIA-485
networks, place a PROT485 at each place wire enters or exits the building.
BT485 connector You attach a BT485 (not included) to a controller at the beginning and end of a
network segment to add bias and to terminate a network segment.
Status indicators LEDs indicate status of communications, running, errors, power, and binary
outputs
Environmental operating
range
32 to 130°F (0 to 54.4°C), 10–90% relative humidity, non-condensing
Storage temperature range -24 to 140°F (-30 to 60°C), 0 to 90% relative humidity, non-condensing
Physical UL94-5VA plenum rated enclosure for installation in plenum (or other space for
environmental air) in accordance with NEC Section 300.22 (c) and (d)
Controller and actuator
overall dimensions
Width:
Height:
8.9 in. (22.7 cm)
5.9 in. (15.0 cm)
Controller and actuator
mounting dimensions
7.1 in. (18.0 cm) from left side controller mounting hole centerline to actuator
mounting hole centerline
Controller overall
dimensions
Width:
Height:
Depth:
6.4 in. (16.3 cm)
5.7 in. (14.5 cm)
2.1 in. (5.3 cm)
Controller mounting
dimensions
5.3 in. (13.4 cm) from left side controller mounting hole centerline to right side
controller mounting hole centerline
Actuator overall dimensions Width:
Height:
Depth:
3.0 in. (7.6 cm)
5.9 in. (15.0 cm)
2.5 in. (6.4 cm)
Actuator mounting
dimensions
4.4 in. (11.2 cm) from shaft centerline to actuator mounting hole centerline
Weight 1.8 lbs (0.82 kg)
BACnet support Conforms to the BACnet Advanced Application Controller (B-AAC) Standard Device
Profile as defined in ANSI/ASHRAE Standard 135-2012 (BACnet) Annex L, Protocol
Revision 9
Listed by UL-916 (PAZX), cUL-916 (PAZX7), FCC Part 15-Subpart B, Class B, CE

Overview and specifications
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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VAV Zone II Secondary Duct specifications
Power requirements The VAV Zone II Secondary Duct receives power from the Zone Ctrl II. Increase the
controller's power supply by 3 VA when connecting a VAV Zone II Secondary Duct.
Actuator Belimo brushless DC motor, torque 45 inch-pounds (5 Nm), runtime 154 seconds
Act Net port To connect the actuator to the VAV Zone II Secondary Duct controller and to the
Zone Ctrl II
Protection Built-in surge and transient protection for power and communications in
compliance with EN61000-6-1.
Status indicators LEDs indicate status of communications, running, power, and motor direction
Environmental operating
range
32 to 130°F (0 to 54.4°C), 10–90% relative humidity, non-condensing
Integral airflow sensor Precision differential pressure sensor 0–2 in. H2O, sensitive down to ±0.001 in.
H2O. Barbed tapered airflow connections accept 3/16 in. (4.75 mm) I.D. tubing.
Allows for readings across the 0–2 in. H2O range, accurate to ±5% of full flow at 2
in. H2O.
Controller and actuator
overall dimensions
Width:
Height:
8.9 in. (22.7 cm)
5.9 in. (15.0 cm)
Controller and actuator
mounting dimensions
7.1 in. (18.0 cm) from left side controller mounting hole centerline to actuator
mounting hole centerline
Controller overall
dimensions
Width:
Height:
Depth:
6.4 in. (16.3 cm)
5.7 in. (14.5 cm)
2.1 in. (5.3 cm)
Controller mounting
dimensions
5.3 in. (13.4 cm) from left side controller mounting hole centerline to right side
controller mounting hole centerline
Actuator overall dimensions Width:
Height:
Depth:
3.0 in. (7.6 cm)
5.9 in. (15.0 cm)
2.5 in. (6.4 cm)
Actuator mounting 4.4 in. (11.2 cm) from shaft centerline to mounting hole centerline
Weight 1.8 lbs (0.82 kg)
Listed by UL-916 (PAZX), cUL-916 (PAZX7), FCC Part 15-Subpart B, Class B, CE
Safety considerations
WARNING
Disconnect electrical power to the Zone Ctrl II before wiring it. Failure to follow this warning could
cause electrical shock, personal injury, or damage to the controller.

Installing the Zone Ctrl II
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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1 Mount the controller (page 6).
2 Wire the controller for power (page 10).
3 Set the controller's address (page 12).
4 Wire the controller to the BACnet MS/TP or BACnet ARC156 network (page 15).
5 Wire inputs and outputs. (page 16)
6 Wire devices to the controller's Rnet port (page 19).
For details on installing a secondary terminal, see Using a VAV Zone II Secondary Duct for a dual duct system
(page 25).
To mount the Zone Ctrl II
To disconnect and mount the controller and actuator separately
Installing the Zone Ctrl II

Installing the Zone Ctrl II
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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Disconnect the actuator from the controller by inserting a screw driver in the slot on the back of the Zone Ctrl II
and pressing the tab. The actuator cable or an attached extension cable must connect to the controller's
Act Net
port.
Adding an extension cable
If you need to mount the actuator more than 14 in. from the controller, you can use an 18 AWG wire for an
extension cable. The maximum distance that the actuator and controller can be separated is 300 feet (91.4 m).
Connect the extension cable to the end of the actuator cable. You can use connectors or splice the wires.
Terminate the extension cable in the
Act Net
port on the controller.
To mount the Zone Ctrl II
1 Turn the damper shaft to fully close the damper.
Mount the controller to the VAV terminal by sliding the clamp assembly onto the damper shaft.

Installing the Zone Ctrl II
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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NOTE
For service access, allow at least 1 foot (.3 m) of clearance between the front of the controller and
adjacent surfaces.
2 Secure the controller and the actuator by installing the screws, anti-rotation slot's bushings, and o-rings that
are supplied with the Zone Ctrl II.
O-ring Bushing
Anti-rotation slot
NOTES
○Center the bushing in the slot. Failure to do so may cause the actuator to stick or bind.
○The Zone Ctrl II must be secured, but loose enough to allow movement. of the damper shaft.

Installing the Zone Ctrl II
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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CAUTIONS
○You
must
use the screws, anti-rotation slot's bushings, and o-rings that are shipped with the Zone Ctrl II.
○Overtightening the screws so that the controller and actuator cannot move may damage the unit.
3 Hold down the Zone Ctrl II’s actuator release button and rotate the actuator clamp in the same direction that
closed the damper. Rotate the clamp until it stops, then rotate it back one notch.
4 Release the button.
5 Tighten the actuator clamp to the damper shaft by tightening the two M5 nuts.

Installing the Zone Ctrl II
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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6 Hold down the actuator release button and rotate the damper from fully closed to fully open. If the damper
traveled less than 90 degrees, do the following to prevent the damper opening past fully open:
a) Loosen the appropriate stop clamp screw.
b) Move the stop clamp until it contacts the
edge of the actuator cam.
c) Tighten the screw.
7 Hold down the actuator release button, rotate the damper to verify that it opens and closes, then release the
button.
Wiring the Zone Ctrl II for power
WARNING
Do not apply line voltage (mains voltage) to the controller's ports and terminals.
CAUTIONS
•The Zone Ctrl II is powered by a Class 2 power source. Take appropriate isolation measures when mounting it
in a control panel where non-Class 2 circuits are present.
•Carrier controllers can share a power supply as long as you:
•Maintain the same polarity.
•Use the power supply only for Carrier controllers.

Installing the Zone Ctrl II
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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To wire the controller for power
1 To access the screw terminal connectors, lift up the controller's cover by pulling the tabs located on both
sides of the controller's left mounting bracket.
2 Remove power from the power supply.
3 Pull the screw terminal connector from the controller's power terminals labeled
Gnd
and
24 Vac
.
4 Connect the transformer wires to the screw terminal connector.
5 Apply power to the power supply.
6 Measure the voltage at the Zone Ctrl II’s power input terminals to verify that the voltage is within the
operating range of 21.6–26.4 Vac.
7 Connect a 4-inch (10.2 cm) wire from
Gnd
to the control panel.
8 Insert the screw terminal connector into the Zone Ctrl II's power terminals.
9 Verify that the
Power
LED is on and the
Run
LED is blinking.

Installing the Zone Ctrl II
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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Addressing the Zone Ctrl II
You must give the Zone Ctrl II an address that is unique on the network. You can address the Zone Ctrl II before or
after you wire it for power.
1 If the Zone Ctrl II has been wired for power, pull the screw terminal connector from the controller's power
terminals labeled
Gnd
and
24 Vac
. The controller reads the address each time you apply power to it.
2 Using the rotary switches, set the controller's address. Set the
Tens
(
10's
) switch to the tens digit of the
address, and set the
Ones
(
1's
) switch to the ones digit.
EXAMPLE
If the controller’s address is 25, point the arrow on the
Tens
(
10's
) switch to 2 and the arrow on
the
Ones
(
1's
) switch to 5.
10's 1's
1
3
4
5
2
7
8
9
6
0
1
3
4
5
2
7
8
9
6
0
CAUTION
The factory default setting is
00
and must be changed to successfully install your Zone Ctrl II.
Using flow sensors
In a single duct system, the Zone Ctrl II controls airflow using the built-in flow sensor and separate actuator.
In a dual duct system, the Zone Ctrl II controls airflow for one duct using the built-in flow sensor and separate
actuator. For the other duct, the Zone Ctrl II uses a VAV Zone II Secondary Duct, which has its own flow sensors
and actuator. Connect both the Zone Ctrl II actuator and the VAV Zone II Secondary Duct actuator to the Zone Ctrl
II
Act Net
port.

Installing the Zone Ctrl II
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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To connect duct tubes to the flow sensors
NOTE
Tubing should be at least 2 ft. (.61 meters) long for stable airflow measurement. The combined high and low
tubing length should not exceed 16.4 ft. (5 meters) in order to ensure accurate measurements.
For a single duct system
1 Turn off the Zone Ctrl II's power.
2 Connect the tube to the Zone Ctrl II's
High
connector and the
Low
connector. Then connect those tubes to the
duct's high and low pressure tubes. Avoid sharp bends in the tubing.
For a dual duct system
1 Follow the single duct procedure above to connect the Zone Ctrl II to the cold duct's tubes.
2 To connect the VAV Zone II Secondary Duct to the second duct's tubes, turn off the VAV Zone II Secondary
Duct's power.
3 Connect the secondary tubes to the duct's high and low pressure tubes. Avoid sharp bends in the tubing.

Installing the Zone Ctrl II
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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To set up the Airflow Control microblock
The Zone Ctrl II's control program must include one Airflow Control microblock for a single duct system or two of
the microblocks for a dual duct system. You must set up the Airflow Control microblock for each flow sensor when
creating a program in Snap.
NOTE
The Airflow Control microblock is already set up and adjusted in all of the EquipmentBuilder programs for
this controller. You do not need to adjust the Airflow settings at all when using one of them. For a list of
EquipmentBuilder control programs, see To use an EquipmentBuilder control program (page 29).
In a single duct system
1 In the i-Vu® interface, select
Properties
>
Service Configuration
>
Flow Control
.
NOTE
You can also access the control program's Airflow Control microblock on the
Logic
page.
2 On the
Details
tab in the
Flow Sensor
field under
Hardware Configuration
, select
Integral - onboard
.
3 In the
Damper Actuator
field, select
Integral - onboard
.
In a dual duct system
1 In the i-Vu® interface, select
Properties
>
Service Configuration
>
Cold Deck Flow Control
.
NOTE
You can also access the control program's Cold Deck Airflow Control microblock on the
Logic
page.
2 On the
Details
tab under
Hardware Configuration
, in the
Flow Sensor
field, select
Integral - onboard
.
3 In the
Damper Actuator
field, select
Integral - onboard
.
4 On the
Logic
page, select the Airflow Control microblock for Flow #2.
NOTE
The secondary Airflow microblock is not listed on the Properties page in the i-Vu® interface.
5 On the
Details
tab under
Hardware
Configuration
in the
Flow Sensor
field, select
Integral - remote
.
6 In the
Damper Actuator
field, select
Integral - remote
.
NOTES
•When performing test and balance, follow the steps under
Test and Balance
on the Airflow Control
microblock's
Properties
page
Details
tab.
•If you are using a version of the Snap application that is prior to v7.0, you must change the
Damper Motor
Travel Time
to 154 seconds.

Installing the Zone Ctrl II
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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Wiring for communications
The Zone Ctrl II communicates using BACnet on the following types of network segments:
•MS/TP communicating at 9600 bps, 19.2 kbps, 38.4 kbps, or 76.8 kbps
•ARC156 communicating at 156 kbps
NOTE
For more networking details, see the Open Controller Network Wiring Installation Guide.
Wiring specifications for BACnet MS/TP and ARC156
Cable: 22 AWG or 24 AWG, low-capacitance, twisted, stranded, shielded copper wire
Maximum length: 2000 feet (610 meters)
WARNING
Do not apply line voltage (mains voltage) to the controller's ports and terminals.
To wire the controller to the BACnet network
WARNING
Attaching any ARCNET or MS/TP network to the
Act Net
port damages BT485s, DIAG485s, or
terminating resistors on that network.
1 Pull the screw terminal connector from the controller's power terminals labeled
Gnd
and
24 Vac
.
2 Check the communications wiring for shorts and grounds.
3 Connect the communications wiring to the controller’s screw terminals labeled
Net +
,
Net -
, and
Shield
.
NOTE
Use the same polarity throughout the network segment.
4 Set the communication type and baud rate.
For...
Set BACnet ARC156 or
MS/TP
jumper to...
Set DIP switches 1 and 2 to...
ARC156
ARC156
N/A. Baud rate will be 156 kbps regardless of
the DIP switch settings.
MS/TP
MS/TP
The appropriate baud rate. See the
MS/TP
Baud
diagram on the controller.
NOTE
Use the same baud rate for all controllers on the network segment.

Installing the Zone Ctrl II
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide CARRIER CORPORATION ©2019
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5 If the Zone Ctrl II is at either end of a network segment, connect a BT485 to the Zone Ctrl II.
6 Insert the power screw terminal connector into the Zone Ctrl II's power terminals.
7 Verify communication with the network by viewing a Module Status report in the i-Vu® interface.
Wiring inputs and outputs
WARNING
Do not apply line voltage (mains voltage) to the controller's ports and terminals.
See Appendix A (page 48) to print a blank wire list.
Input wiring specifications
Input
Maximum length
Minimum gauge
Shielding
0–5 Vdc 500 feet
(152 meters)
22 AWG 100 feet
(30.4 meters) unshielded
100 - 500 feet shielded
Thermistor
Dry contact
Pulse counter TLO
500 feet
(152 meters)
22 AWG 100 feet
(30.4 meters) unshielded
100 - 500 feet shielded
ZS sensors
Wireless Adapter for
wireless sensors
Equipment Touch
TruVu™ ET Display
See Wiring devices to the Zone Ctrl II's Rnet port.