Lynxspring ONYXX LX BZ424-LX User manual

BZ424-LX - Configurable VAV MS/TP Controller
Controller Installation and Wiring Guide
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BZ424-LX - Configurable VAV MS/TP Controller
Disclaimer Notes
Please read the manual before proceeding to install this controller or any other Onyxx LX device. This manual applies to
Onyxx LX UI software version 4.0 and higher and using firmware version 2.182 and higher.
All firmware updates must be done utilizing Supplied USB-COM adapter or USB to MSTP converter cable.
Installations shall be made by a certified technician and respect all local codes and regulations.
Electronic controls are static sensitive devices: discharge yourself properly before handling and installing a controller.
Any short circuit or incorrect wiring may damage the controller or the controlled equipment.
Double-check all wiring before applying power.
If a control failure could lead to personal injury and/or loss of property, it becomes the responsibility of the
installer to add safety devices to protect against failures.
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BZ424-LX - Configurable VAV MS/TP Controller
Contents
Disclaimer….................................................................................................................. p. 2
Installation……............................................................................................................. p. 4
Mounting Instructions ……………………………….................................. p. 4
Product Label………………………………................................................ p. 5
Wiring Instructions….......................................................................................... p. 7
Jumper Settings….............................................................................................. p. 8
TZ Room Sensor Wiring…….……………………….................................. p. 10
Sequence of Operation ………………………………………………………. p. 11-25
Built-In Application Program Parameters........................................................................ p. 13
Physical Inputs and Outputs................................................................................ p. 27
Analog Values…………………………………………………………. p. 28-31
Binary Values...................................................................................................... p. 32
PID Loops…..…................................................................................................ p. 33
Multi-State Values................................................................................................. p. 34-44
TZxxx Room Sensors........................................................................................... p. 45
RS –
485 Network Guidelines……………………………………………………………........
Technical Specifications…..............................................................................................
p. 46-50
p. 51
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Installation
BZ424-LX Mounting Instructions
Failure to properly position the screw will result in torsion and breakage of the unit.
Short circuits or incorrect wiring may permanently damage the controller. Double check your wiring before applying power.
If a control failure could lead to personal injury and/or loss of property, the installer must add safety devices and/or alarm
systems to protect against failures.
Electronic controls are static sensitive devices; discharge yourself properly before manipulating and installing the device.
When securing the BZ424 to the
ductwork or sheet metal, make sure
that the rotor shaft bracket is
centered, and the mounting screw is
in the center of the slider. Because
the clamp fixes to the shaft
asymmetrically, this allows the unit
to move with the shaft as the
bracket slides back and forth.
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Interface
Product Label
The BZ424-LX consists of an
actuator motor and various screw
terminals, switches, and jumpers
that let you configure the unit to
your needs. Jumpers and
switches are within the housing
(internal), under a removable
cover. A label on the removable
cover helps you identify the
internal interfaces.
Physical connectors (for mounting and
cable connections) are accessible on
the outside of the unit. This section
describes all the user-adjustable
interfaces of the BZ424-LX. Details for
each section are provided further in
this guide.
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Installation
Wiring Instructions
Binary Outputs
Common
B-
A+
24V
Common
B-
A+
AI1
Common
AI2
AI3
Common
AI4
AO1
Common
AO2
BO1
Common or (BO1,BO2)
BO2
BO3
Common or (BO3,BO4)
BO4
Ground
24Vac
Common
Mini USB2 connector Allows local access to the MS/TP network
Requires a USB-485 cable adapter
Analog Inputs
Supported Wire Size 28-16 AWG
Analog Outputs
Supported Wire Size 28-16 AWG
Supported Wire Size 28-16 AWG
BACnet MS/TP Comm Bus
RS-485 Wire Required
TZ Comm Bus
RS-485 Wire Required
Cables suitable for use in an RS-485 network should have an impedance of between 100 and 130
ohms, acapacitance between conductors of less than 30 pF per foot (100 pF per meter), and a
capacitance between conductors and shield less than 60 pF per foot (200 pF per meter).
Connectors Description
Input Power
Wire size based on VA rating and distance fro
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BACnet MS/TP, TZ Comm Bus, and Power Wiring
24Vac Supply
AI
AO
BO
Cable shield connection (Refer to RS485
network guidelines for proper wiring)
24 Vac
COM
B
A
B
ABACnet MS/TP
B
ABACnet MS/TP
BZ424
POWER
SUPPLY:
24 Vac ±15%
Class 2
24V
24V
ISOLATED
24V
COM
COM
B-
A+
24V
COM
B-
A+
AI1
COM
AI2
AI3
COM
AI4
AO1
COM
AO2
BO1
COM
BO2
BO3
COM
BO4
G
MS/TP
EOL
None
TZ
EOL
IT V
None
AIRFLOW
LO HI
MS/TP ADDRESS
BAUD RATE
SCAN
ERR / ALARM
SYS
SRV
TOKEN
POWER
ONLINE
ERROR
2A
Fuse
76800 BAUD SHOWN
64
1 2 4 8
16 32
10V
0V
AUTO HAND
AO1
AO2
HAO
BO1
BO2
BO3
BO4
TZxxx
WARNING: Internally, this device utilizes a
half-wave rectifier and therefore can only
share the same AC power source with other
half-wave rectified devices. You CANNOT
connect a BACnet network with other
controllers that have an internal full wave
rectifier circuit with Onyxx LX controllers.
Failure to observe this would result in
damaging the Onyxx LX controllers.
The BZ424 can be powered using aClass 2, 24Vac transformer, or toa24Vdc power source. Ifpowering from a24Vac transformer,donot ground
either side ofthe transformer’s secondary.
For maximum protection from electrostatic discharge or other forms of EMI connect each controller to earth ground using a#16 AWGand keep these
wires as short as possible.
Proper grounding of a controller is important to ensure a high probability of surviving a nearby lightning strike as well as other possible electrical
surges. For details on grounding within control panels, NFPA 79and UL508A provide the required details.www.lynxspring.com

DIP switches DS2 configures the MS/TP address
The Values of the On Switches adds up
Possible Address : 1 - 127
DIP switches DS1 configures the Baud Rate (BPS)
Switches Configuration : Off = 0, On = 1
Available baud rates :
010 -9600 BPS, 110 -19200 BPS, 001 -38400 BPS,011 -76800 BPS
EOL jumper: MS/TP Network end of line
EOL jumper: Tzone Netwotk end of line
These jumpers are used to configure the analog input:
Left =mA 4 - 20 mA or 0 – 20 mA
=Thermistor 10K Type 3(std) or Type 2Middle
Right =Vdc 0 – 10 V or 2 –10 V
AO1 and AO2 Switches allow analog output bypass control when “HAND” is selected
Switch Left =AUTOMATIC
Switch Right =HAND (manual)
Counterclockwise for 0% (0V)
Clockwise for 100% (10V)
Installation
Jumper Settings
JP11
JP10
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Installation
Jumper Settings
When used in conjunction with jumpers, switches SW1 to SW4 allow binary output
bypass control and selection:
SW4 Overrides BO1
SW3 Overrides BO2
SW2 Overrides BO3
SW1 Overrides BO4
Replaceable TR5R Fuse, Time-Lag type, 2.0 A
Littelfuse 37212000411
Actuator driver connector:
1 = 24V, 2 = A0 , 3 = COM, 4 = Open , 5 = Close
Manual operation of the actuator
Hold the switch in the up or down position for 2 seconds, until a beep sounds.
This will completely force the actuator clockwise or counter clockwise for one hour.
A beep will sound every 5 seconds.
The bypass will automatically be cancelled after one hour.
To cancel before the hour, hold the switch in the up or down position for 2 seconds until a beep sounds.
SW7
LEFT = manual On (Hand)
CENTER = automatic
RIGHT = manual output Off
Isolated contacts
Internal 24Vac supply
**recommend using pilot relays in any application utilizing Binary outputs
as switching loads. **
24V
24V
JP2/
JP3
JP4/
JP5
BO1
COM
BO2
BO3
COM
BO4
LOAD
LOAD
LOAD
LOAD
COM
24Vac
24Vac
COM
24Vac
24Vac
JP2/
JP3
JP4/
JP5 LOAD
LOAD
LOAD
LOAD
BO1
COM
BO2
BO3
COM
BO4
24Vac 24Vac Supply
24Vac
24Vac
24Vac
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TZ Room Sensor Wiring
•Daisy-chain up to 3TZ room sensors
•RS-485 wire requiredfor communications wiring
•Supported Wire Size 28-16 AWG for power wiring, recommend 18 AWG
•Max total distance of communication wire of 300 ft from controller to
last TZ room sensor
•Field verify Tzone addressing and EOL jumpers
•Connect shields together in the daisy-chain communication network
(isolate them to avoid touching metal or electronic components)
•Connect shield to ground,at only one end of the network
•MS/TP A+ and B+ are optional; they are directly connected to the USB
connector below the TZxxx. The goal is to allow access to the MSTP
network from the special USB to MSTP adapter
MS/TP
TZ
DS1
12345678
EOL
TZ100
JP2
NONE EOL
TZ200
COM
24 Vac
A
B
BZxxx
MS/TP
TZ
DS1
12345678
EOL
TZ100
EOLNONE
JP2
TZ200
MS/TP
TZ
DS1
12345678
EOL
TZ100
JP2
NONE EOL
TZ200
COM 1
24VAC 2
N/C 3
UNUSED AI 4
UNUSED BI 5
A+ 6
B- 7
A+ 8
B- 9
COM 1
24VAC 2
N/C 3
UNUSED AI 4
UNUSED BI 5
A+ 6
B- 7
A+ 8
B- 9
COM 1
24VAC 2
N/C 3
UNUSED AI 4
UNUSED BI 5
A+ 6
B- 7
A+ 8
B- 9 •If there is a loss in communication to any of the TZ controllers, BV24 will indicate a
fault, AV 41 will = -40 °F and the fan, heating and cooling will be disabled, and the
damper will return to minimum position.
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