HONEYWELL UNITARY INSTALLATION INSTRUCTIONS-24 VAC/VDC
3 31-00614-01
GENERAL
Trademark Information
• BACnet™ is a registered trademark of ASHRAE Inc.
• Sylk™ is a trademark of Honeywell International Inc.
Product Description
Honeywell 24 VAC/VDC Unitary BACnet™ RJ45 (IP),
BACnet™ MS/TP, and BACnet™ T1L (IP) controllers
provide flexible, freely programmable, demand-led
control that delivers tangible benefits to reduce energy
spending while driving new levels of functionality and
efficiency in today’s buildings.
They offer performance-based engineering with
Niagara 4 and enable Single-Tool-Engineering
throughout the whole Building Management System
with cost-effective installation.
The integrated Bluetooth® Low Energy (BLE) capability
enables an easy pairing with mobile apps.
These new generation controllers offer BACnet™ RJ45
(IP), BACnet™ T1L (IP), or BACnet™ MS/TP as a
backbone interface and Sylk™ and Modbus RTU as sub
interface, flexible universal input/output (UIO) points,
and solid state relays (SSR) and normal relays.
These BACnet™ IP or BACnet™ MS/TP based Unitary
controllers utilize smart engineering, commissioning
tools, and Sylk™ technology. These controllers can
achieve multiple flexible configurations to address
specific applications with the Niagara Engineering tool.
The controllers can stand-alone operation; however,
they can achieve optimum functional benefits when
they use network communication capabilities.
BACnet™ MS/TP models of controller communicate via
a TIA/EIA 485 BACnet™ MS/TP communication
network, capable of baud rates between 9.6 and
76.8 kbps. BACnet™ RJ45 (IP) models communicate
over a wired standard network cable and BACnet™ T1L
(IP) communicate via a 2-wire twisted pair cable.
Table 1 Part Numbers
Part Number Housing UIO Relay
Solid
State
Relay
(SSR)
Communication Sylk Bluetooth
UN-RS0844ES24NMC / D Small 8 4 4 BACnet™ IP Yes No
UN-RS0844ESB24NMC / D Small 8 4 4 BACnet™ IP Yes Yes
UN-RS0844MS24NMC / D Small 8 4 4 BACnet™ MS/TP Yes No
UN-RS0844MSB24NMC / D Small 8 4 4 BACnet™ MS/TP Yes Yes
UN-RS0844TS24NMC / D Small 8 4 4 BACnet™ T1L Yes No
UN-RS0844TSB24NMC / D Small 8 4 4 BACnet™ T1L Yes Yes
UN-RL1644ES24NMC / D Large 16 4 4 BACnet™ IP Yes No
UN-RL1644ESB24NMC / D Large 16 4 4 BACnet™ IP Yes Yes
UN-RL1644MS24NMC / D Large 16 4 4 BACnet™ MS/TP Yes No
UN-RL1644MSB24NMC / D Large 16 4 4 BACnet™ MS/TP Yes Yes
UN-RL1644TS24NMC / D Large 16 4 4 BACnet™ T1L Yes No
UN-RL1644TSB24NMC / D Large 16 4 4 BACnet™ T1L Yes Yes
Table 2 Accessories/Replacement Parts
Part Number Description
CW-Cov-L-Unitary Terminal cover for the L-version of the unitary controller (sold in pack of 10)
CW-Cov-S-Unitary Terminal cover for the S-version of the unitary controller (sold in pack of 10)
Note: SKUs with C are applicable to all brands except HBS.
SKUs with D are applicable to HBS brand only.
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