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LG DFSWLWT0A Instruction Manual

Made by: LG
Type: Instruction Manual
Category: Thermostat
Pages: 14
Size: 0.25 MB

 

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DFSWLWT0A

Instruction Manual

Mini-Split Wireless Wall Thermostat Kit 

Manuel d’instructions

Kit de thermostat mural sans fil Mini-Split

Manual de instrucciones

Kit de termostato inalámbrico 
para pared Mini-Split

 


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Mini-Split Wireless Wall Thermostat Kit

Your kit includes:

1

Thermostat

1

Battery Backplate

1

Mini-Split Control Card

4

Plastic gyproc screw anchors and 4 screws

4

432 Screws – 1” which anchor the thermostat 
to the backplate

 


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MINI-SPLIT THERMOSTAT CONTROL PACKAGE

LG Electronics, Inc.

IMPORTANT – LG Mini-Split UNIT must be
unplugged before starting the installation.

Refer to Mini-Split Owner’s Manual

1

Remove Front Grille Cover by pulling out the bottom of the front 
grille and then lift up.

2

Remove Option Cover of the Control Box, located on the right 
side, by removing the screw at the top.

3

Power up the LG Mini-Split UNIT.

4

Wire the Minisplit Control Card as per the diagram.  
Once you have wired the card, place the sensor aligned to 
the cover.  Remove the adhesive cover and firmly press the 
plastic housing to the Mini-split unit.

Installation Diagram of LG Mini-Split Control Board

 


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ADVANCED SETTINGS

The LG Mini-Split Wireless Wall Thermostat Kit is
designed to work seamlessly with the LG Mini-Split
Unit. In many installations multiple units will be
installed so to ensure proper installation and opera-
tion each Wireless Wall Thermostat in every room
must be merged within the proximity of the Mini-
Split Unit the same room. Follow these steps for 
success every time!

STEP 1

On the bottom right of the thermostat touch and release the black
reset button.

Touch target centre

When you see the display indicate touch for advanced settings 
– touch the screen immediately 

Now you are ready to setup 
the thermostat.

INSTALLING THE THERMOSTAT

Locat

e your Thermostat approximately 5 ft (1.5m) meters above the

floor. For best results ensure that the thermostat is away from direct
sunlight and on an interior wall.

Using the dimensions 3.2” wide 3.1” (81mm x 78mm) high or the 
template included, locate where the thermostat will be placed and cut
out the space on the wall.

Insert the battery backplate into the cut-out area ensuring  the top is up

Mark the four inside holes for drilling the 3/16” holes required for the
plastic screw anchors

Remove the battery backplate and drill four (4) 3/16” holes in these
locations.

Insert the plastic gyproc screw anchors and tighten them securely.

Mount the battery backplate using four (4) supplied screws 

Insert  two (2) D batteries into the recess. 

Important: Use only Alkaline

Size D batteries for normal life operation.

Align  four (4) pins on the thermostat to the battery backplate and 
gently but firmly attach the two units together

Using  four (4) 1” screws provided, place them in the four outside
holes and fasten tightly. Replace the top trim.

 


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1

DAYLIGHT TIME :

Choose Daylight Time On or Off dependent 

on your Time Zone.

ADVANCED SETTINGS - WELCOME

ENERGY WATCH:

Enter the HVAC system consumption 

parameters (rounded off to kW) as well as your electrical 
energy cost (¢/kW) and the ENERGY WATCH feature 
will display a real time totals of electrical energy consumption 
and cost. To review touch the ENERGY WATCH button on 
the MENU SCREEN.

* EXAMPLE: Heat Pump 1kW/ton, 5-30 kW, 7-9¢/kW

ENERGY WATCH

feature will run consecutively for 255 days. 

If you do not enter your information what will appear on 
the display is the total time the Compressor has been 
operating.

FILTER:

Enter the air filter "fan run time" information here.

The Filter Monitor feature uses this information to inform you 
when to change or clean your air filter by displaying 
CHANGE FILTER icon on the HOME SCREEN.  

 


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ADVANCED SETTINGS

These are the factory default settings

IMPORTANT: By inadvertently modifying system configuration 
settings, you may seriously degrade HVAC system performance.

Choose system heating and cooling equipment – remember all
you need to do is toggle the appropriate button until the correct
setting appears.

1

Choose HEAT PUMP

(Factory setting)

2

Choose FURNACE OFF

(No Furnace)

3

CYCLE RATE :

Set the Maximum compressor cycles per hour. 

We recommend that the factory default be maintained for 
optimal performance. 

HIGH Speed Fan

Medium Speed Fan

Low Speed Fan

MAX Speed Fan

THE LG Mini Split Thermostat can run the fan in 4 speeds to
ensure quality air circulation and comfort.  By initializing the 
fan between 1 and 4 degrees from your setpoint, and choosing
the fan speed you control comfort and maximize efficiency,
and reduce fan noise.

 


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The LG Wireless Wall Thermostat Kit is designed to work seamlessly
with the LG Mini-Split Unit. In many installations multiple units will
be installed so to ensure proper installation and operation each
Wireless Wall Thermostat in every room must be merged with the
Mini-Split Unit the same room. 

1

Press INIT Mini-Split on thermostat screen 5 seconds until 
you see the message: 

PLEASE WAIT….

2

Immediately press the black button located on the Mini-Split 
Control Card

ADVANCED SETTINGS

3

Within 1 minute a message will appear on the screen acknowledging
the communication links: 

LINK SUCCEEDED

LINK FAILED

Touch TEST Mini-Split

You need to repeat 

The fan will immediately come on

the above steps

4

You have now merged the thermostat with the Mini-Split Unit. 
Momentarily touch the reset button on the bottom right 
corner of the thermostat and when the message 

TOUCH FOR LG

THERMOSTAT

appears, touch immediately. You have now 

configured the thermostat and you can move to the room settings.

ADVANCED SETTINGS

Final Phase

 


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USING THE THERMOSTAT

International Icons provide friendly and easily recognizable sym-
bols with word back-up to control all features.

Your Mini-Split thermostat can run in Program Mode or hold a fixed
temperature.

RUN PROGRAM :

Your custom program settings will be initiated

– 4 events per day including the fan mode.

HOLD TEMPERATURE :

Allows you to raise or lower the 

temperature setpoint by touching the heat/cool  

to lower + to raise

THERMOSTAT MODE

Menu 

Hold Temp 

Dehumidify 

Run Program 

Cool

Heat 

Fan

Menu 

Hold Temp 

Dehumidify 

Run Program 

Cool

Heat 

Fan

 


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HEAT :

Raise or lower the heat setpoint

COOL :

Raise or lower the cool setpoint

DE-HUMIDIFY : 

Initializes the fan to reduce humidity

HOME :

Returns you to the main screen

TEMPERATURE MODE

FAN AUTO : 

The fan will run on only when there is 

a demand for heating or cooling.

FAN ON : 

The fan runs continuously

FAN MODE

Menu 

Hold Temp 

Dehumidify 

Run Program 

Cool

Heat 

Fan

Menu 

Hold Temp 

Dehumidify 

Run Program 

Cool

Heat 

Fan

 


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MENU PAGE

To access the Menu Page, simply touch Menu from the 
Control Page.  Remember it is as easy as a touch of 
the button.

Set-up of your Mini-Split Thermostat is effortless with intuitive
menu driven programming - on our patented touchscreen.

Enter 

DATE AND TIME SETTINGS :

Program 7 days with 4

events per day to improve efficiency and reduce energy costs

ENERGY WATCH :

display kWh consumption as well as the 

dollar cost of the HVAC System - configure this feature in
Advanced Settings

Access the

SET SCREEN

menu

View 

FILTER MONITOR

Select the 12 or 24 hour clock display.

Set the time of day by choosing hour and minute buttons.

Set the Month, Day and Year by choosing the buttons.

MENU PAGE - DATE AND TIME SETTINGS

Menu 

Hold Temp 

Dehumidify 

Run Program 

Cool

Heat 

Fan

Menu 

Hold Temp 

Dehumidify 

Run Program 

Cool

Heat 

Fan

 


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• PROGRAM SETTINGS :

This feature easily and quickly programs your 

thermostat to fit your needs and lifestyle. Remember by programming 
the thermostat you can increase energy efficiency and reduce costs.

7 Day Programmable with 4 events per day including Fan Mode

Select the Day of the Week

Select the Event number: for example 1

Select the Start Time: for example 7:00 AM

Choose desired temperature setpoint – by raising or lowering 

the heat/cool button

Choose the next event: for example 2 and repeat the steps

MENU PAGE - PROGRAM SETTINGS

ENERGY WATCH :

This unique and patented feature provides a 

display of system energy consumption and the cost of running your
HVAC system. This feature must be activated in the ADVANCED
SETTINGS of the Thermostat.

Once you have set all the events for one day you may copy the same settings to other
days of the week. First ensure that your program settings are correct. Then select the
next day of the week that you would like to have the same program setting. Mini-
Split will then prompt you to copy the settings. Remember that you must choose RUN
Program from the control page to activate this feature.

Menu 

Hold Temp 

Dehumidify 

Run Program 

Cool

Heat 

Fan

 


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MENU PAGE - OCCUPANCY SENSE ON

OCCUPANCY SENSOR

will determine whether the space is occupied or

unoccupied and then will turn on or turn off the equipment to ensure
maximum comfort, energy and efficiency.

ADVANCED SETTINGS

REVERSE : OFF | ON

By choosing OFF – the screen will be 

viewed in normal mode. By choosing ON – the screen is reversed 
providing a different design effect if required.

IMPORTANT :

When using the battery backplate ensure the 

setting is to AUTO. Setting the backlight to ON will seriously 
affect the battery life expectancy

NIGHT REVERSE : OFF/ON

The patented Night Reverse Feature

will turn the screen to reverse at 9 PM for easier nighttime 
viewing and return to a regular screen at 6:00AM

CONTRAST : 1-9 

This allows to change the screen contrast for 

best viewing we recommend that the setting remain at 7.

Menu 

Hold Temp 

Dehumidify 

Run Program 

Cool

Heat 

Fan

Menu 

Hold Temp 

Dehumidify 

Run Program 

Cool

Heat 

Fan

SCREEN 2  

This page allows for custom settings for lighting

 


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FILTER MONITOR :

Displays filter usage in days and resets filter timer

– when activated the FILTER MONITOR icon will appear on your
HOME PAGE – this feature must be activated in ADVANCED 
SETTINGS.

Now you have configured and set-up your thermostat!

Menu 

Hold Temp 

Dehumidify 

Run Program 

Cool

Heat 

Fan

CURRENT TAP

Current Tap Model PYRCUCC1A

The LG PTAC Wireless Thermostat can be
hardwired using the Current Tap Accessory –
please refer to the installation instructions
included with each Current Tap.

CAUTION: DO NOT USE BATTERIES WHEN USING 
THE CURRENT TAP - EXTREME DAMAGE CAN OCCUR.

FCC Statement

THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPER-

ATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY
NOT CAUSE HARMFUL INTERFERENCE, AND (2) THIS DEVICE MUST ACCEPT ANY
INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED
OPERATION.

US PATENTS: 6,786,421
OTHER PATENTS PENDING

INDUSTRY CANADA IC: 2294A-90064
INDUSTRY CANADA IC: 2294A-90164

FCC ID: RAN 90064
FCC ID: RAN 90164

 


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Hardware 

LG Electronics warrants the original end user (“Customer”) that new LG

Electronics branded products will be free from defects in workmanship and materials, under
normal use, for two (2) years from the original purchase date.

Software 

LG Electronics warrants to Customer that the LG Electronics thermostat software

will perform in substantial conformance to its program specifications for a period of two (2)
years from the date of the original purchase.

Exclusions 

This warranty excludes (1) physical damage to the surface of the product,

including cracks or scratches on the touch-screen or outside casing; (2) damage caused by
misuse, neglect, improper installation, unauthorized attempts to open, repair, or modify the
product, or any other cause beyond the range of intended use; (3) damage caused by accident,
fire, power changes, other hazard, or Acts of God; or (4) use of the product with any device
if such device causes the problem.

Exclusive Remedies 

Should a covered defect occur during the warranty period and

Customer notifies LG Electronics, Customer’s sole and exclusive remedy will be, at LG
Electronics’ sole option and expense, to repair or replace the product. Replacement products
or parts may be new or reconditioned or a comparable version of the defective it?em. LG
Electronics warrants any replaced product or part for a period of ninety (90) days from
shipment, or through the end of the original warranty, whichever is longer.

Obtaining Warranty Service 

Customer must contact and return product to a local LG

Electronics product dealer or installer within the applicable warranty period to obtain 
warranty service. Dated proof of original purchase will be required. LG Electronics will not
be responsible for Customer’s memory data contained in, stored on, or integrated with any
products returned to LG Electronics for repair, whether under warranty or not. 

Warranty Exclusive 

THE FORGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND IN

LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF 
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, CORRESPONDENCE WITH
DESCRIPTION, AND NON-INFRINGEMENT, ALL OF WHICH ARE EXPRESSLY DISCLAIMED BY LG
ELECTRONICS AND ITS SUPPLIERS.

Disclaimer 

NEITHER  LG ELECTRONICS NOR ITS SUPPLIERS SHALL BE LIABLE FOR INCIDENTAL,

CONSEQUENTIAL, INDIRECT, SPECIAL, OR PUNITIVE DAMAGES OF ANY KIND, OR FINANCIAL LOSS
ARISING OUT OF OR IN CONNECTION WITH THE SALE OR USE OF THIS PRODUCT, WHETHER
BASED IN CONTRACT, TORT (INCLUDING NEGLIGENCE) OR ANY OTHER THEORY, EVEN IF LG
ELECTRONICS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. LG ELECTRONICS’
ENTIRE LIABILITY SHALL BE LIMITED TO REPLACEMENT OR REPAIR OF THE PRODUCT.