INSTALLATION INSTRUCTIONS
® U.S. Registered Trademark
Copyright © 202
4 Honeywell Inc. • All Rights Reserved
31-00610-01
Unitary
CONTROLLER-230 VAC
General ............................................................................... 3
Trademark Information ..................................................... 3
Product Description............................................................ 3
Controller Part Numbers .................................................. 4
Dimensions ............................................................................ 4
Unitary Controller Large........................................................ 4
Unitary Controller Small........................................................ 5
Network Security ............................................................. 5
General Safety Instructions.......................................... 5
Specifications................................................................... 6
Electrical ................................................................................. 6
Operational Environment................................................. 6
Hardware................................................................................. 6
Communications ................................................................. 6
T1L Communication........................................................... 7
Supported Devices* ............................................................ 7
Weight and Dimensions.................................................... 7
Universal IO*.......................................................................... 7
Wire Gauge Range............................................................... 8
Chopper Output (CHP)...................................................... 8
Relays ....................................................................................... 8
Hardware overview.......................................................... 9
System Overview............................................................... 10
Service Button.................................................................... 11
Mounting ........................................................................ 11
Before Installation............................................................ 11
DIN Rail Mounting ........................................................... 11
Wall Mounting ................................................................... 12
Power Supply................................................................. 13
General Information ........................................................ 13
Chopper Wiring.................................................................. 13
Chopper Wiring Example............................................... 14
Grounding............................................................................ 14
Input / Output Wiring ................................................. 15
Wiring Requirements ...................................................... 15
Internal Wiring Example ................................................ 16
Terminal Connections..................................................... 18
UIO Wiring Examples ...................................................... 20
DO CHP Wiring Example ............................................... 21
Auxiliary Wiring Examples ........................................... 22
DO Relay Wiring Examples ........................................... 22
Network Concepts........................................................ 23
The RS-485 Standard ..................................................... 23
TIA/EIA 485 Cable Specifications ................................. 23
IP Network Topologies .................................................... 23
Daisy Chain Topology ..................................................... 23
Ring Topology..................................................................... 23
BACnet™ IP Controller................................................. 24
Connecting to an IP network ........................................ 24
DHCP IP Configuration................................................... 24
Link-local addressing...................................................... 24
BACnet™ MS/TP Wiring.............................................. 25
Auto Baud rate functionality......................................... 25
Termination Resistors ..................................................... 25
Shield Termination ........................................................... 25
BACnet™ MS/TP Wiring Example............................... 26
BACnet™ MS/TP Wiring Setup Using Signal Common
Example........................................................................................... 26
BACnet™ MS/TP Controller ....................................... 27
BACnet™ MS/TP Limitations ....................................... 27
Physical Limitation............................................................... 27
AutoMAC limitation.............................................................. 27
Automatic MAC Addressing .......................................... 27
Setting the MS/TP MAC Address................................ 27
Setting the Device Instance Number ............................ 28
T1L Communication and standard .......................... 29
Daisy Chain Topology...................................................... 29
Ring Topology..................................................................... 29
Modbus RTU................................................................... 30
Wiring Topology ................................................................. 30
Cables and Shielding....................................................... 30
Modbus RS-485 Repeaters........................................... 30
Modbus Client Specifications...................................... 30
Modbus Compliance........................................................ 30
Modbus Considerations................................................. 31
Sylk™ ................................................................................ 32
Supported Sylk™ devices................................................ 32
Sylk™ Wiring Example ..................................................... 33
Troubleshooting............................................................ 34
LED Interface...................................................................... 35
Controller LED Status ..................................................... 35
Bluetooth LED Status...................................................... 36
BACnet™ MS/TP LED Status........................................ 36
Modbus LED Status......................................................... 36
T1L LED Status.................................................................. 37
Service Pin LED Status ................................................... 37
Regulatory Information .............................................. 38
FCC Regulation.................................................................. 38
ISED non-interference disclaimer ............................. 38
Professional Installation Warning.................................. 38
Wireless Connectivity .......................................................... 38
Standards and Compliance ......................................... 39
Approvals and Certifications ........................................ 39
WEEE Directive 2012/19/EC Waste Electrical and
Electronic Equipment directive................................... 39
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