Honeywell TH4110U Thermostat Installation Guide

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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.  

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General	Details
Name	Honeywell TH4110U Thermostat Installation Guide
Make	Honeywell
Language	English
Filetype	PDF (Download)
File size	0.59 MB

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Honeywell TH4110U Thermostat Installation Guide Overview

Summary of Contents

• Page 1: INSTALLATION INSTRUCTIONS 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 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. This product only works reliably with thermostats using mechanical relays. Thermostats that use Triacs are not recommended. 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. The Sender Module has been designed to be as small as possible and is sealed to protect its electronics. The Relay Receiver Module should be installed in a cool, dry environment wherever possible. The Sender Module can be easily installed in the wall cavity behind the thermostat after wiring is completed. The process of decoding and verifying the binary data creates a very short delay in relay response time.
• Page 2: Sender module tag numbers and color code designations are provided for wiring connections. The typical wiring includes designations for fan, stages of cooling and heating, and emergency heat. The power supply requirement is 24VAC +/- 20%. Power consumption varies based on relay usage, with specifications for maximum load current and relay switching current. The maximum range for transmission is 250 feet, with a transmission lag of up to 5 seconds. Operating temperature is up to 122°F, with a storage temperature of 150°F. The recommended cable is 18-2 shielded. LED display indicators show power status and data transmission. Warranty information is included for HVAC equipment. Technical support contact details are provided for assistance.