Midea MAD50PS1QGRC User manual

Dehumidifier
version A - 12 - 2020 www.midea.com
USER MANUAL
EN
Warning notices: Before using
this product, please read this
manual carefully and keep it
for future reference.
The design and specifications
are subject to change without
prior notice for product
improvement.
POWER SOURCE 115V,60Hz
MAD50PS1QGRC

Safety Precautions 1
Preparation 3
Operating Instructions 5
Care and Maintenance 11
Table of Contents
Troubleshooting Tips 12
App Instructions 13

Safety Precautions
Safety
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Safety Precautions
fe Page 1
WARNING CAUTION
This symbol indicates the possibility of
property damage or serious consequences.
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Safety Precautions
Page 2
CAUTION

Preparation
Page 3
Identification of parts
Storage Instructions
Installation Instructions
NOTE:All the illustrations in the manual are for explanation purpose only. Your machine may be slightly
different. The actual shape shall prevail. The unit can be controlled by the unit control panel .
Preparation
control panel
caster(some units)
handle
air outlet grille
handle
water bucket
air filter (behind the grill)
air intake grille
.2.1
1. Take out the dehumidifier from the package.
2. Hold the handle and lift the dehumidifier up, pull out the power code, and rotate 90° counterclockwise.
3. Place the dehumidifier into the water bucket gently according to the ALIGN label until it clicks in place. Do never
install it rudely.
NOTE: During the operation, it is normal if you press the top cover and the dehumidifier shakes slightly.
3.
1. Press in the convex piece in the water bucket.
2. Lift the dehumidifier body handle, rotate 90° clockwise.
3. install the power cord into the in-line slot, put the dehumidifier into the package to store.
.3.2.1
Caster installation and disassembly instructions (some units)
Installation:
1.Attach the caster to the bottom of the unit.
2.Use a block to fix it as shown in the picture.
quick glance light
(some units)

When first using the dehumidifier, operate the unit
continuously 24 hours. Make sure the plastic cover on
the continuous drain hose outlet install stightly
properly so there are no leaks.
This unit is designed to operate with a working
environment between 5 C/41 F and 32 C/90 F,
and between 30%(RH) and 80%(RH).
If the unit has been switched off and needs to be
switched on again quickly , allow approximately three
minutes for the correct operation to resume.
Do not connect the dehumidifier to a multiple socket
outlet, which is also being used for other electrical
applications only. This dehumidifer should not be used
for commercial or industrial applications.
Place the dehumidifier on a smooth, level floor strong
enough to support the unit with a full bucket of water.
Allow at least 20cm of air space on all sides of the unit
for good air circulation (at least 40cm of air space on
air outlet).
Place the unit in an area where the temperature will
not fall below 5 C (41 F). The coils can become covered
with frost at temperatures below 5 C (41 F), which may
reduce performance.
Place the unit away from the clothes dryer, heater or
radiator.
Use the unit to prevent moisture damage anywhere
books or valuables are stored.
Use the dehumidifier in a basement to help prevent
moisture damage.
The dehumidifier must be operated in an enclosed
area to be most effective.
Close all doors, windows and other outside openings
to the room.
A dehumidifier operating in a basement will have little
or no effect in drying an adjacent enclosed storage
area, such as a closet, unless there is adequate
circulation of air in and out of the area.
Do not use outdoors.
This dehumidifer is intended for indoor residential
Casters (At four points on the bottom of unit)
Casters can move freely.
Do not force casters to move over carpet, nor
move the unit with water in the bucket.
(The unit may tip over and spill water.)
Page 4
Positioning the unit
When using the unit
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Design Notice
In order to ensure the optimal performance of our products, the design specifications of the unit are
subject to change without prior notice.
20cm or more
40cm or more
20cm or more
20cm or more
40cm ormore
appliances.
Select a suitable location, making sure you have easy
access to an electrical outlet.
Plug the unit into a electrical socket-outlet with earth
connection.
Make sure the Water bucket is correctly fitted
otherwise the unit will not operate properly.
•
•
•
NOTE:When the water in the bucket reaches to a certain
level,please be careful to move the machine to avoid it
falling down.
Operating
Instructions
•
Disassembly:
1.To remove the caster , use a screwdriver to prop up the block, then take it down.
2.Then remove the caster.
blockcaster
bottom of unit

Page 5
Operating Instructions
Control Panel Features
NOTE: The following control panels are for explanation purpose only. The control panel of the unit you
purchased may be slightly different according to the models. Your machine may not contain some indicators or
buttons. The actual shape shall prevail.
Operating
Instructions
Press to turn the dehumidifier on and off.
Note: When the compressor startups or stops running,
the unit may make a loud voice, it is normal.
Power button
When you push the button to change operation
modes, the unit will make a beep sound to indicate
that it is changing modes.
Mode button
Press to select the desired operation mode from
Continuous dehumidifying,Dryer/Max (model dependent),
Smart dehumidifying (on some models) and Setting
dehumidifying.
noitcnuFrotacidnInoitcnuFrotacidnI
Bucketless Mode
Wireless light Filter clean light
Pump light (for pump model only)
In Setting dehumidifying mode, on some models the set
indicator light
illuminates. On some models, the unit
without setting dehumidifying indicator light. When
Bucketless mode (on some models)
The dehumidifier can be used without bucket. When
the unit is on, the LED DISPLAY shows”Eb”. Press and
hold FILL LEVEL button and UP button for 3 seconds in 3
minutes to shield “Eb” malfunction, and the bucketless
mode indicator light illuminates. Press and hold FILL LEVEL
button and UP button to exit Bucketless mode, the
bucketless mode indicator light turns dark.
Note: In Continuous dehumidifying, Dryer and Smart
dehumidifying modes, the humidity setting can‘t be
adjusted.
the Continuous, DRY, Smart indicator lights turn dark,
the unit is at the setting dehumidifying mode.
Note: In Bucketless mode, the unit should operate with
a hose to drain away water.
In Bucketless mode, the bucket capacity can’t be selected
and the unit can’t turn on PUMP feature.
Low
Bas High
Haut
Low
Bas High
Haut
+

Page 6
Operating
Instructions
UP( )/DOWN( ) buttons
· Humidity Set Control buttons
In Setting dehumidifying mode, The humidity level can be
set within a range of 35%RH(Relative Humidity) to 85%RH
(Relative Humidity) in 5% increments. Press and hold the
button the humidity drop continuously.Press and
hold the button the humidity rise continuously.
Fan button
Control the fan speed. Press to select fan speed
in three steps-low, med and high (On some models
The fan speed just can be selected in two steps-low
and high). The fan speed indicator light illuminates
under different fan speed settings.
Press and hold the Fan button for 3 seconds to
eliminate filter reminder, when the filter light flickers
(On some models) .
FILL LEVEL button
Control the bucket capacity.Press to select bucket
capacity in four steps-1, 2, 3 and 4. When turn on
pump function, the pump indicator light illuminates
and the bucket capacity will be at 4 step.
· Press to initiate the Auto start or Auto stop feature,
in conjuction with the and buttons. When the
unit is on, press the Timer button to activate the Auto
stop feature. When the unit is off, press this button
to activate the Auto start feature.
· Press or hold the and button to change the
Auto time by 0.5 hour increments, up to 10 hours,
then at 1 hour increments up to 24 hours.
· The control will count down the time remaining until
start.
· The selected time will register in 5 seconds and the
system will automatically revert back to display the
previous humidity setting.
· Turning the unit ON or OFF at any time or adjusting
the timer setting to 0.0 will cancel the Auto start or
Auto stop feature.
· When LED display window displays the code of P2,
the Auto start or Auto stop feature will also be
cancelled.
Timer button
Display
Shows the set % humidity level from 35% to 85% or
auto start/stop time (0~24) while setting, then shows the
actual (±5% accuracy) room % humidity level in a range
of 30% RH (Relative Humidity) to 90%RH (Relative
Humidity).
Error Codes:
EH60-Room temperature r sensor error--Unplug the unit
and plug it back in. If error repeats, call for service;
EH61-Tube Temperature sensor of the evaporator error--
Unplug the unit and plug it back in. If error repeats,
call for service;
EH0b-Display board and master control board
communication error.Unplug the unit and plug it
back in. If error repeats, call for service;
Wireless button (On some models)
Press and hold on the POWER button for 3 seconds to
initiate the Wireless connection mode. The LED DISPLAY
shows’AP’ to indicate you can set Wireless connection.
If connection (router) is successful within 8 minutes,
the unit will exit Wireless connection mode automatically
and the Wireless indicator illuminates and the unit
enters the previous function. If connection is failure
within 8 minutes, the unit exits the Wireless connection
mode automatically.
Note: The unit operates for 250 hours, then enter
filter clean reminder.
PUMP feature (On some models)
Press and hold on the Up/Down buttons 2 second to
initiate PUMP feature
. Press and hold on the Up/Down
buttons 2 seconds again to stop PUMP feature.
Turn on the PUMP feature, the bucket capacity cannot
be selected and the bucket capacity is at 4 step.
Note: When the PUMP feature is , it works
when the water is full at 4 step.
+

ePage 7 f
Other features
Auto Defrost
When frost builds up on the evaporator coils, the
compressor will cycle off and the fan will continue to
run until the frost disappears.
Note: When Auto defrosting operation, the unit may
make a voice of refrigerant flowing, it is normal.
Auto Shut Off
The dehumidifier shuts off when the bucket is full.
For some models, the fan motor will continue to run
for 30 seconds.
Wait 3 minutes before resuming operation
After the unit has stopped, it can not be restart
operation in the first 3 minutes.This is to protect the
unit. Operation will automatically start after 3 minutes.
Operating
Instructions
Operating
Instructions
dehumidification, please first
dehydrate the wet clothes.
3. Make sure to direct airflow
at the wet clothes.
4. For thick and heavy wet
clothes may not get the best
effective dehumidification.
Dryer mode (On some models)
The unit can make the MAX dehumidification function
when it is under Dryer mode. The fan speed can’t be
adjusted.
Note:
1. The Dryer/MAX (model dependent) mode must
be operated in a close room,do not open the door
and window.
2. To make the best effective
30~50cm
Wet clothes
30~50cm
Airflow
Allow 30~50cm
of distance on the
top and right side
of the unit to the
wet clothes.
Auto-Restart
If the unit breaks off unexpectedly due to the power
cut, it will restart with the previous function setting
automatically when the power resumes.
Continuous dehumidifying mode
At continuous dehumidifying mode, the unit dehumidify
continuously and cannot select humidity. Press mode
button to exit continuous dehumidifying mode.
Smart dehumidifying mode (On some models)
At smart dehumidifying mode, the unit will
automatically control room humidity in a comfortable
range 45%~55% according to the room temperature.
The humidity setting function will be invalid.
Note: When one of the above malfunctions occurs,
turn off the unit, and check for any obstructions.
Restart the unit, if the malfunction is still present, turn
off the unit and unplug the power cord. Contact the
manufacturer or its service agents or a similar qualified
person for service.
Protection Code:
P2-Bucket is full -- Empty the bucket and replace it in
the right position.
Eb-Bucket malfunction--Replace the bucket in the right
position, the malfunction clear.
Setting dehumidifying mode
At setting dehumidifying mode, the unit can be adjusted in a
range 35%~85%, and the humidity setting can be adjusted
(increase/decreasing) in 5%. Press MODE button to exit
setting dehumidifying mode.
Quick glance light (On some models)
When the humidity is more than 70%, the quick
glance light will emit red light.
When the humidity range is at 45% to 70%, the
quick glance light will emit yellow light.
When the humidity is lower than 45%, the quick
glance light will emit green light.
The light can be activated or deactivated by pressing
and holding the Fan button and UP button
simultaneously for 2 seconds.
MAX mode (On some models)
The unit can make the MAX dehumidification function
when it is under MAX mode. The fan speed is fixed at
high fan speed.

Operating
Instructions
ePage 8 f
¥
X
table
Note:
1. Please make sure the unit is placed on a flat, horizontal
table to prevent toppling and sliding.The tilt angle needs
to be less than 1 degree.
2. Please make sure the tube is properly connected to the
drain before entering the bucketless mode.
4. On the Bucketless mode, don’t touch the switch or the
unit will exit Bucketless mode.
switch
5. Don’t move the unit when it is working. Turn off the
power and remove the plug before moving the unit.
3.The overall height of the tube should be lower than the
drain to avoid water backflow and ensure smooth discharge.
¥
X
X
10cm or more
NOTE: At the Bucketless mode, the hight of table is
more than 10cm.
Place the end of the hose into the drain area or the
container to catch the water.
Bucketless mode (on some models)
The dehumidifier can be used without bucket when
the unit is under Bucketless mode.
The unit will not reminds the water to be full after
entering the bucketless mode, therefore, it is suggested
that:
1. Check whether the tube is properly connected;
2. Link the other end of the tube to a place with
unlimited capacity, such as a sink or a basin;
3. Do not place the other end of the tube in a
container with limited capacity, otherwise the
water may overflow to the floor.
Exit the bucketless mode：
1. Press FILL LEVEL and up to exit
2. Turn off the power
NOTE: It may cause an unexpected exit from the
bucketless mode when the tank float touches the
micro switch (at the bottom of the unit). So please
check whether the bottom of the unit is clear under
the bucketless mode.
tilt angle

Operating
Instructions
Operating
Instructions
· Water can be automatically emptied into a floor
drain by attaching the unit with a water hose (not
included).
· Remove the cover located on the back of water
bucket, then remove the rubber plug. Attach a drain
hose and lead it to the floor drain or a suitable
drainage facility.
2. Continuous draining
Note: When the continuous drain feature is not
being used,remove the drain hose from the outlet
, reinstall the rubber plug and cover.
Note:
· When you remove the bucket, do not touch
any parts inside of the unit. Doing so may
damage the product.
· Be sure to insert the dehumidifier body gently
all the way into the bucket.
· When you remove the bucket, if there is some
water in the unit you must make the unit dry.
e
Page 9 f
Attach the
hose to the
drain hose
outlet.
Remove the rubber plug
Removing the collected water
There are two ways to remove collected water.
1. Use the bucket
1. Lift the dehumidifier by the handle, separate the
it from the bucket and put it aside.
2. Two ways to pour the water out.
· When the unit is off,if the bucket is full, the unit will
beep 8 times (on some models) and the LED DISPLAY
shows “P2”.
· (For some models)When the unit is on,if the bucket is
full, the compressor turns off and the fan turns off after
30 seconds for drying the water of the condenser , then
the unit will beep 8 times and the LED DISPLAY shows
“P2”.
· Lift the dehumidifier body handle, separate the
dehumidifier body from the tank. Put the dehumidifier
body aside.
· Throw away the water from the water outlet and
replace the bucket.
Note:
· Lift the water bucket and throw away the water.
· Remove the rubber plug at the bottom of the bucket,
drain off the water.
·The machine will re-start when the bucket is restored in
its correct position.
Method A: Lift the water bucket and throw away the water.
Method B: Remove the rubber plug at the bottom of the
bucket to drain off the water.
· Make sure the hose is secure so there are no leaks.
· Direct the hose toward the drain area,making sure
that there are no kinks that will stop the warter
flowing.
· Place the end of the hose into the drain area and
make sure the end of the hose is level or downwards
to let the water flow smoothly. Do never let it up.
· Make sure the hose is lower than the drain hose
outlet.
· Select the desired humidity setting and fan speed
on the unit for continuous draining to start.
Remove the cover

Operating
Instructions
e
Page 10
f
· Water can be automatically emptied into a floor drain
or a suitable drainage facility by attaching the pump
drain outlet with a pump drain hose()od=1
/ 4 ,
supplied).
3. Pump draining (on some models)
· select the desired humidity setting and fan speed on
the unit for pump draining to start.
Note: The pump operation on light blinks at 1Hz when
the pump is operational failure. Please turn off the unit
and plug the power cord out. Check the following
things:
· Cleaning the filter of the pump hose.
· Check that the pump drain hose does not link or back.
· Empty the water of the bucket.
· Reinstall the pump hose if it drops and reinstall the
bucket properly. Turn on the unit. If the error repeats,
call for service.
Note: Do not use this operation when the outdoor
temperature is equal to or less than 0 C (32 F),
o
o
otherwise water is become ice that will cause the
water hose blocked up and the unit failure. Make
sure to empty the bucket once a week when using
the pump draining feature. When the pump draining
feature is not being used, remove the pump drain
hose from the outlet.
· Press the pump drain hose outlet in and take the
pump drain hose out from it. Take the pump hose
out from the unit.Make sure do not let the water in
the pump hose drip to the floor.
pump intake
pump outlet
pump drain hose
filter of pump hose
pump hose
· Install the pump hose into the pump hose intake of
the unit, and rotate it.
· Install the pump drain hose into the pump drain
hose outlet for depth of 15mm at least, then lead
the water hose to the floor drain or a suitable
drainage facility.
· Put the dehumidifier on the bucket again.
· Press and hold on the Up/Down buttons for 2 second
to initiate PUMP feature
.When the PUMP is activated,
the bucket capacity is at the 4th fill level and cannot
be selected. The PUMP works only if the bucket is full
of water at the 4th fill level.
Note: The pump may cause big noise when it starts to
work for 3~5 minutes. It is a normal phenomenon.
· Make sure the hose is secure so there are no leaks.
· Direct the hose toward the drain, making sure that
there are no kinks that will stop the water flowing.
· Place the end of the hose into the drain and make
sure the end of the hose is level or down to let the
water flow smoothly. Do never let it up.

e
Page 11
f
Care and Maintenance
Clean the bucket
Clean the air filter
Clean the Grille and Case
Care and Maintenance
· Use water and a mild detergent. Do not use bleach or abrasives.
· Do not splash water directly onto the main unit. Doing so may cause an electrical shock, cause
the insulation to deteriorate, or cause the unit to rust.
· The air intake and outlet grilles get soiled easily, so use a vacuum attachment or brush to clean.
Care and cleaning of the dehumidifier
Turn the dehumidifier off and remove the plug from the wall outlet before cleaning.
Every few weeks, clean the bucket to prevent growth of mold, mildew and bacteria. Partially fill the
bucket with clean water and add a little mild detergent. Swish it around in the bucket, empty and
rinse.
Note: Do not use a dishwasher to clean the bucket. After clean, the bucket must be in place and
securely seated for the dehumidifier to operate.
The air filter behind the two flanks grille should be checked and cleaned at least every two weeks
or more often if necessary.
NOTE: DO NOT RINSE OR PUT THE FILTER IN AN AUTOMATIC DISHWASHER.
To remove:
· Grip the handle on the filter and pull it outward.
· Clean the filter with warm, soapy water. Rinse
and let the filter dry before replacing it. Do not
clean the filter in a dishwasher.
To attach:
· Insert the air filter back into the unit.
CAUTION
DO NOT operate the dehumidifier without a
filter because dirt and lint will clog it and
reduce performance.
Note:The cabinet and front may be dusted with an oil-free cloth or washed with a
cloth dampened in a solution of warm water and mildliquid dishwashing detergent.
Rinse thoroughly and wipe dry. Never use harsh cleansers, wax or polish on the
cabinet front. Be sure to wring excess water from the cloth before wiping around the
controls. Excess water in or around the controls may cause damage to the unit.

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When not using the unit for long time periods
· After turning off the unit, wait one day for water collecting before emptying the bucket.
· Clean the main unit, water bucket and air filter.
· Cover the unit with a plastic bag.
· Store the unit upright in a dry, well-ventilated place.
Troubleshooting Tips
Problem What to check
Troubleshooting Tips
oo
Before calling for service, review the chart below first yourself.
Unit does not start
· Make sure the dehumidifier s plug is pushed completely into the outlet.
· Check the house fuse/circuit breaker box.
· Dehumidifier has reached its preset level or bucket is full.
· Water bucket is not in the proper position.
· The air filter is clogged.
· The unit is tilted instead of upright as it should be.
· The floor surface is not level.
· Hose to connector or hose connection may be loose.
· Intend to use the bucket to collect water, but the back drain plug is
removed.
· This is normal. The dehumidifier has Auto defrost feature.
· These are error codes and protection codes. See the CONTROL PADS
ON THE DEHUMIDIFIER section.
· Did not allow enough time to remove the moisture.
· Make sure there are no curtains, blinds or furniture blocking the front or
back of the dehumidifier.
· The humidity control may not be set low enough.
· Check that all doors, windows and other openings are securely closed.
· Room temperature is too low , below 5 C(41 F).
· There is a kerosene heater or something giving off water vapor in the
room.
Dehumidifier does not
dry the air as it should
The unit makes a loud
noise when operating
Frost appears on thecoils
Water on floor
EH60, EH61,EH0b ,Eb or
P2 appear in the display

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We hereby declare that this Dehumidifier is in compliance with the essential
requirements and other relevant provisions of Directive 1999/5/EC.
1. Supports operating systems: iOS 7+ or Android 4+.
2. In the event of a OS update, there may be a delay between the update of the OS
and a related software update during which your OS may or may not be supported
until a new version is released. Your specific mobile phone or problems in your
network may prevent the system from working and Midea will not be responsible
for any problems that could be caused by incompatibility or network issues.
3. This Smart Dehumidifier only supports WPA-PSK/WPA2-PSK (recommended)
encryption.
4. To ensure proper scanning of the QR code, your smart phone must have at least a
5-megapixel camera.
5. Due to unstable network connectivity, requests may time out. If this happens, re-
run the network configuration.
6. Due to unstable network connectivity, commands may time out. If this happens,
the smartphone app and the actual product may display conflicting information.
The information displayed on the actual product is always the most accurate
available. Refresh the app to re-sync.
Model:US-OSK103 Dimensions:41 x 24 x 5 (mm)
Standard:IEEE 802.11 b/g/n Operation Temperature:0°C ~ 45°C / 32°F ~ 113°F.
Antenna Type: External
omnidirectional Antenna
Operation Humidity:10% ~ 85%
Frequency:2.4 GHz (wireless) Power Input:DC 5V/300 mA
Maximum Transmitted Power:
19.8 dBm Max
Midea will not be responsible for any problems that could be caused by
incompatibility or network issues, your wireless router and mobile phone.
NOTICE
Declaration of Conformity
Specification of Wireless Module
Precautions
App
Instructions
App Instructions

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Devices required to use the Smart Dehumidifier:
1. Smart Phone with compatible iOS or Android system.
2. Wireless Router
3. Smart Dehumidifier
edocRQelppAedocRQdiordnA
Scan to download app.
• You can also go to Google Play or App Store and search for Midea Air.
Download and Install the App
System Overview
NOTICE
All the images in this manual are for reference only, your product and app may look
slightly different. The actual product and app instructions have to be considered.
App
Instructions

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• Make sure your smartphone is connected to your wireless router and your wireless
router has a working 2.4GHz internet connection.
• It is recommended to activate your account immediately to be able to recover your
password by email.
NOTICE
• Make sure your smartphone is able to connect to the wireless network which will be used.
• Make sure also that the device is not connecting to other networks in range.
Create Your Account
1. Press “Sign Up”. 2. Enter your email address and password.
3. Press “Registration”. 4. If you forget your password, press
“Forgot password?” on the main
menu and enter your email address.
Then press “Reset Password”.
App
Instructions

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Additional App and Smart Home Functions
For additional instructions regarding the features of the app and Smart Home skill
capabilities, scan the QR code below.
App
Instructions

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Warranty
WARRANTY
These products have been made to quality standards and are guaranteed for domestic use
against manufacturing faults.
One (1) year full warranty from original purchase date and limited 2nd through 5th year
sealed system warranty if used for normal domestic purposes.
This warranty does not affect your statutory rights. In case of any malfunction of your
product (failure, missing part, etc.), please contact one of our service technicians at our toll-
free service line at 1-866-646-4332 from 8 AM to 6 PM EST, Monday to Friday, and 8 AM to 4
PM EST, Saturday. Midea reserves the right to repair or replace the defective product, at its
discretion.
Any warranty is invalid if the product has been overloaded or subject to neglect, improper
use or an attempted repair other than by an authorized agent. Heavy-duty or daily
professional/commercial usage are not guaranteed. Due to continuous product
improvement, we reserve the right to change product specifications without prior notice.
For instructions on how to properly drain Freon, please contact our customer service at
1-866-646-4332. Thank you.