Honeywell TH4110U Thermostat Installation Guide
INSTALLATION INSTRUCTIONS
UT-SWM
UNIVERSAL THERMOSTAT
SMART WIRE MODULE
INTRODUCTION:
The UT-SWM, Universal Thermostat Smart
Wire Module is an innovative and low-cost
solution for applications where you need to
control as many as five outputs across a single
pair of wires between the thermostat and an
indoor AHU. Today’s communicating
thermostats require a “common” wire to power
the radio module and other electronics. On
average, 30% of all homes do not have a
common wire at the thermostat. The UT-SWM
uses two advanced microprocessors; one
located in the Sender Module and the other in
the Relay Receiver Module. Signals from the
device connect to the sender Module such as a
thermostat are encoded along with checksum
data to ensure accuracy and superimposed
onto the 24 volt signal wires that transmit to the
Relay Receiver Module. The Relay Receiver
Module then decodes and verifies the binary
data and turns relays on or off to match the
Sender Module information.
RECEIVER MODULE
UT-SWM
Sender Module
SENDER MODULE
RELAY RECEIVER MODULE
The Relay Receiver Module receives its power
by an external 24VAC source such as the
HVAC equipment transformer. The Relay
Receiver Module contains five relays rated at 1
Amp maximum switching current. The relays
mimic the switched inputs of the Sender
Module.
IMPORTANT NOTE:
The 24VAC used to power the Relay Receiver
Module is also transmitted down two wires to
power the Sender Module.
This product only works reliably with
thermostats using mechanical relays.
Thermostats that use Triacs are not
recommended. Refer to specific thermostat
specifications to confirm relay or Triac
operation.
DO NOT power high current draw devices such
as actuators and valves directly from this
device as it has been designed to provide a
maximum of 0.5A to power field devices that
are 500mA max. When switching higher
voltages or currents, proper rated isolation
relays are required.
SENDER MODULE:
The Sender Module has been designed to be
as small as possible and is sealed to protect its
electronics. There are eight color coded, 6”
lead input wires on one end and two screw
terminals on the other end.
The Relay Receiver Module should be installed
in a cool, dry environment wherever possible.
Although the electronics are coated to protect
against moisture and dust, they are not water
resistant and should be protected from a harsh
environment.
The Sender Module can be easily installed in
the wall cavity behind the thermostat after
wiring is completed. This prevents any heat
generated by the module from affecting the
thermostat’s temperature accuracy.
NOTE - Because the Sender Module is
intentionally small to facilitate ease of
installation, care should be used to not
bend the Module during installation.
The process of decoding and verifying the
binary data creates a very short delay in relay
response time.
| General | Details |
|---|---|
| Name | Honeywell TH4110U Thermostat Installation Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.59 MB |

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