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PRODUCT DESCRIPTION ///

The XWT380 

Thermostat

 is an innovative system designed to work with a home gateway enabling 

remote access and operation of your HVAC system. The XWT380 

Thermostat

 offers state of the 

art performance and professional level reliability at cost effective prices. The fully optimized 
418 MHz radio subsystem offers optimal range coverage allowing the 

Thermostat

  to be placed 

virtually anywhere. 

PACKAGE CONTENTS ///

(1) Thermostat Base Unit 

(1) Thermostat Display Unit

(1) 24 VAC Power Supply

(1) Wall Mounting Kit

(1) Installation Guide

INSTALLATION ///

The system is comprised of the 

Thermostat

 display and user interface which replaces your old 

Thermostat

, and the base unit which should be installed adjacent to the HVAC System.

This installation must be performed by a qualified HVAC engineer. Be sure to read the complete system 
installation and operational manual.

The installer should ensure that all local wiring regulations and good practice are adhered to.

THERMOSTAT BASE UNIT

WALL MOUNTING THE THERMOSTAT DISPLAY UNIT ///

INSTALLATION

Before installing this unit:

1. Read all of the installation instructions carefully.

2. Read the User’s Manual carefully.

3. Ensure that this product is suitable for your application.

4. Ensure that wiring complies with all codes and ordinances.

5. Disconnect power to the control transformer of the HVAC to prevent electrical shock 

and damage to equipment.

LOCATION

XWT380 

Thermostat 

display unit is designed to replace your old thermostat. 

However, in order to ensure accurate and reliable operation, please check that the following 
criteria are met:

1. Ensure that the 

Thermostat

 is mounted between 5 and 5.5 ft above the floor level and 

is at least 2 feet away from an outdoor wall.

2. Ensure that the 

Thermostat

 is located in an area where there is adequate air circulation.

3.  Ensure that the 

Thermostat 

display is not mounted in an area in direct sunlight, or in 

the path of heat generated by nearby appliances.

4. Ensure that it is not mounted on an outdoor wall, near a fireplace, or in the path of any air ducts.

REMOVING THE OLD THERMOSTAT

1. Disconnect the power to the control transformer.

2. Remove the cover to the existing 

Thermostat

.

3. Disconnect the wires going to each terminal on the 

Thermostat

.

4. Remove the existing plate or base from the wall if applicable.

WALL MOUNTING KIT

24 VAC POWER SUPPLY

THERMOSTAT DISPLAY UNIT

MODE

Summary of Contents for XWT380

Page 1: ...THERMOSTAT v1 0 ...

Page 2: ... of the installation instructions carefully 2 Read the User s Manual carefully 3 Ensure that this product is suitable for your application 4 Ensure that wiring complies with all codes and ordinances 5 Disconnect power to the control transformer of the HVAC to prevent electrical shock and damage to equipment LOCATION XWT380 Thermostat display unit is designed to replace your old thermostat However ...

Page 3: ...ure that the Thermostat temperature sensor has not been damaged during installation BASE UNIT INSTALLATION CAUTION This installation must be performed by a qualified HVAC engineer Be sure to read the complete system installation and operational manual before you begin this installation IF WORKING WITH GAS CENTRAL HEATING UNIT ENSURE THE GAS VALVE IS SHUT OFF BE SURE TO DISCONNECT THE POWER TO THE ...

Page 4: ...this simply route the power wire through the lower left grommet into the housing and plug in the power jack CONNECTION TO HVAC UNIT The following three diagrams cover heating only cooling only and heating cooling combination HVAC units The notations used refer to most common notations used in HVAC wiring in the US The installer must verify that these notations do indeed adhere to the following W r...

Page 5: ...heit approximately 5ºC below the set point and will turn off at the set point COOL The Cooling system activates to maintain desired cooling setting The Cooling system will be turned on at one degree Fahrenheit approximately 5ºC above the set point and will turn off at the set point AUTO The Thermostat will automatically switch between heat and cool modes to maintain the desired heating and cooling...

Page 6: ...nto the common terminal 1 Be sure you have connected the same color wire from the common terminal of the base to the common terminal on the display unit 2 Be sure you have connected the same color wire from the Link terminal on the base unit to the Link terminal on the display unit 3 Make sure the base unit is powered 4 Make sure all terminal screws are tightly fastened 5 Try a different set of wi...

Page 7: ...enerates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interferences will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment o...

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