MRCOOL MST05 Smart Wi-Fi Mini Stat Owner’s Manual
- September 27, 2024
- MrCOOL
Table of Contents
MST05 Smart Wi-Fi Mini Stat
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Specifications:
- Product Name: MRCOOL Smart Wi-Fi Mini-Stat
- Model: MST05
- Power Options: 5V adapter, 24V, or 12V
Product Usage Instructions:
Placement:
MRCOOL Smart Wi-Fi Mini-Stat can be wall-mounted using the
backplate or placed on a table with the stand included. Follow
these steps for optimal placement:
- Ensure line of sight with MRCOOL Ductless Mini-Split.
- Avoid direct sunlight or heat sources to prevent sensor
issues.
Powering Up:
Choose one power-up option: 5V adapter or wired connection of
24V/12V. Follow these steps for wired connection:
- Switch off power using the circuit breaker.
- Find a 24V/12V point in line of sight with the Mini-Split.
- Insert wires into Rc and C terminals on the backplate.
- Align and fix the Smart Wi-Fi Mini-Stat on the backplate.
Prior to App Installation:
- Ensure smartphone’s Bluetooth and Wi-Fi are ON.
- Confirm internet access on the smartphone and Wi-Fi
router.
FAQ:
Q: Can I use a different power adapter to power up the Smart
Wi-Fi Mini-Stat?
A: No, always use the provided power adapter for optimal
results.
Q: What should I do if I face issues during installation?
A: Contact MRCOOL customer support at (+1)
425-529-5775 for
assistance.
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MRCOOL Smart Wi-Fi Mini-Stat
Installation & Owner’s Manual
MODEL: MST05
Due to updates and constantly improving performance, the information and
instructions within this manual are subject to change without notice. Version
Date: 03/13/24 Please visit www.mrcool.com/documentation to ensure you have
the latest version of this manual.
Getting Started
MRCOOL Smart Wi-Fi Mini-Stat can be mounted on a wall using the backplate, or
placed on a table using the table stand (both
included in the box).
Before finalizing the placement, it is recommended to first power up, register
and test the device to ensure signals can
easily reach the AC.
For optimal placement and control:
Make sure Smart Wi-Fi Mini-Stat is in the line of sight of your MRCOOL
Ductless Mini-Split.
To avoid deviated sensor readings, do not place Smart Wi-Fi Mini-Stat where it
may be exposed to excessive sunlight or other heat sources.
Special Note: It is strongly advised that whenever there is a need to use the
remote control for MRCOOL Ductless Mini-Split, point it towards Smart Wi-Fi
Mini-Stat while performing any action. This way, your MRCOOL Ductless Mini-
Split and MRCOOL
SmartHVAC app will always be in sync.
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Powering Up Options
MRCOOL Smart Wi-Fi Mini-Stat can be powered up using a 5V adapter (always use
the provided power adapter and USB cable
for optimal results).
OR
Through wired connection options of 24V or 12V.
Please DO NOT use any other voltage level to power up Smart Wi-Fi Mini-Stat.
Please choose ONLY
ONE power-up option i.e., either 5V OR 24/12V.
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Instructions for Wired Connection
Step 1: Switch off power by using the circuit breaker. This is very important
for your safety.
Step 2: Find a point where 24V or 12V is available (In case of non-
availability of 24V/12V point, you can either DIY or consult a professional
installer). Ensure that chosen point is also in the line of sight of your
MRCOOL Ductless Mini-Split.
Please DO NOT use any other voltage level to power up the Smart Wi-Fi Mini-
Stat.
Step 3: Take out the wires through the hole in the middle of the backplate.
Screw in the backplate using the provided pair of drywall anchors and screws.
C RC
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Instructions for Wired Connection
Step 4: Smart Wi-Fi Mini-Stat has two terminals
marked as Rc and C on its backplate.
C
Insert red wire into Rc and black wire
RC
into C from the side (press the terminal
block buttons for ease of insertion).
Step 5: Align your Smart Wi-Fi Mini-Stat with the backplate and press gently to fix it properly.
C RC
Your installation is complete. Please switch on power from the circuit
breaker.
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Getting Help
No long queues, no bots, no delays. We answer 98% calls in less than 2 minutes
and
guarantee that you will talk to a REAL person.
For any queries, visit our website: mrcool.com/contact
Call us at : (+1) 425-529-5775 9:00AM –
9:00PM ET, Mon-Fri
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Prior to App Installation
Make sure your smartphone’s Bluetooth is turned ON.
Make sure your smartphone’s Wi-Fi is turned ON. Make sure your smartphone has
internet access.
Make sure you have a working internet connection on your Wi-Fi router.
Make sure there is no proxy server or authentication server configured on your
internet connection.
Make sure there is no captive portal on your Wi-Fi router.
Important: Make sure IP isolation or client isolation is turned OFF
on your Wi-Fi router.
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App Installation & Registration
iOS / Android
Install the `MRCOOL SmartHVAC’ app from the App Store/Play Store.
Search for the SmartHVAC app or scan the QR code provided below.
Log in to the app if you already have an account; otherwise, create one using
the sign-up option.
Note for iOS users:
For iOS 13.0 & above, location permission is required to complete the
registration process. You may disable it later.
Note for Android users:
For Android OS 8.1 & above, location permission is required to complete the
registration process. You may disable it later.
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Device Registration
iOS / Android
Open the MRCOOL SmartHVAC app, tap `Add Device’ on the home screen, and select
Smart Wi-Fi Mini-Stat from the list of
devices.
If you are already using a MRCOOL device, tap `+’ on the home screen to add this one.
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Follow the steps to successfully pair your Smart Wi-Fi Mini-Stat with your
phone.
Step 1:
Make sure your Smart Wi-Fi Mini-Stat is powered on.
Step 2:
Make sure your phone’s Bluetooth is turned on. Tap `Next’.
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Step 3:
Wait for Smart Wi-Fi Mini-Stat to appear on the screen. Then, tap `Connect’.
Note:
In case Smart Wi-Fi Mini-Stat does not appear, touch and hold the Power and
Temperature Up buttons
simultaneously for 6 seconds. The Bluetooth icon on the screen should start
blinking and the app
will automatically move to the next screen.
DR
Aux Off
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Step 4:
Your device is now successfully paired with Bluetooth. Name your device and
connect it to a Wi-Fi network.
Step 5:
After Wi-Fi configuration, your device will appear on the
home screen. The registration process is complete. Enjoy your smart air
conditioning!
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Your Home Screen
Your home screen shows the real-time status of all your MRCOOL devices. A
registered MRCOOL device can show
either of the 2 statuses outlined in circles:
Green – Device is online. 1 You’re good to go!
Red
– Device is offline. 2
Ensure your phone/device is connected to a working internet connection.
Refresh the home screen by swiping downwards (pull-to-refresh).
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Configuring the Right Remote Control for Your
MRCOOL Ductless Mini-Split
MRCOOL Smart Wi-Fi Mini-Stat automatically selects the relevant remote control
for your MRCOOL Ductless Mini-Split during the registration process. You can
also configure your
AC remote manually.
In case, you need any further assistance, please contact Support for help at
(+1) 425-529-5775 or if you have any
queries, visit our website: mrcool.com/contact
For manual selection, follow these steps:
Screen A: Go to settings by tapping the Settings’ icon on the control screen Screen B: SelectChange Appliance’
Screen C: Select the Remote Model’ from the drop-down list and tapDone’
Quick Tip: Remote control model number is usually found on the back side of
the remote control, as shown in the image.
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Screen A
Screen B
Screen C
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Enjoy Unlimited Functionalities
Fan Speed Mode
Temperature Control
Room Temperature
Settings Presets Swing Position
SetPoint Room Humidity Power
Navigation Bar
Tap the settings icon for more options
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Know Your Smart Wi-Fi Mini-Stat
Presets Icons Modes
Swing Position SetPoint Temperature
Temperature Up & Down
Menu
13:37 AM PM
DR
Fan Dry Cool Auto Heat Aux Off
Following Schedule
Permanent Hold
Temporary Hold
Cancel Hold
Sensor
Linked
Heating to
70.8
f
Fan On
Fan Circ
45%
Auto Quiet
Cooling to
73
Aux Heat On Fan On
Wi-Fi Indicator
No Internet Access
Room Temperature Fan Speed Room Humidity Presets Power On/Off
Adjusting the temperature of your AC: Use the up or down button to set the
temperature of your choice.
Changing the mode of your AC: Touch the menu button once. The AC modes will
start blinking. Use the up or down button to select the mode (e.g. Cool, Heat
etc.).
Changing the fan speed: Touch the menu button twice. The fan speed icon will
start blinking. Use the up or down button to change the fan speed.
Adjusting the swing position: Touch the menu button thrice. The swing position
icon will start blinking. Use the up or down button to select the swing
position.
Changing multiple settings: You can set mode, swing position & fan speed in
one go. Touch the menu button once and select the mode of your choice. Touch
the menu button again and adjust the fan speed. Touch the menu button again
and select the swing position.
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Know Your Smart Wi-Fi Mini-Stat
Screen Lock/Unlock Indicator
Locking/Unlocking Display Interface
13:37 AM PM
DR
Fan Dry Cool Auto Heat Aux Off
Following Schedule
Permanent Hold
Temporary Hold
Cancel Hold
Sensor
Linked
Heating to
70.8
f
Fan On
Fan Circ
45%
Auto Quiet
Cooling to
73
Aux Heat On Fan On
Bluetooth Indicator Resetting Wi-Fi
Locking/Unlocking the display interface: Touch and hold the Temperature Up and
Down buttons simultaneously until the lock icon on the top right of the screen
turns solid/disappears.
Resetting the Wi-Fi of Smart Wi-Fi Mini-Stat: Touch and hold the Temperature
Up and Power buttons simultaneously until the Wi-Fi icon disappears and the
Bluetooth icon starts blinking.
Wi-Fi Icon: Case 1:- Stable Wi-Fi icon – Device is connected to the internet,
showing Wi-Fi strength.
Case 2:- Wi-Fi icon with small triangle – Device is connected to the router
but has no internet access. Please ensure you have a working internet
connection and restart the device.
Bluetooth Icon: Blinking Bluetooth icon – Device is in broadcast (AP) mode.
Please complete the registration process.
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LIMITED WARRANTY &
END USER LICENSE AGREEMENT
1. MRCOOL warrants to the owner of the enclosed MRCOOL Smart Wi-Fi Mini-Stat
contained in this (“Product”) will be free from defects in materials and
workmanship for a period of one (1) year from the date of delivery, following
the original retail purchase (the “Warranty Period”).
2. If the Product fails to conform to this Limited Warranty during the
Warranty Period, MRCOOL will, at its sole discretion, either repair or replace
any defective Product or component.
3. Repair or replacement may be made with a new or refurbished product or
components, at MRCOOL’s sole discretion.
4. If the Product or a component incorporated within it is no longer
available, MRCOOL may replace the Product with a similar product of similar
function, at MRCOOL’s sole discretion.
5. Any Product that has either been repaired or replaced under this Limited
Warranty will be covered by the terms of this Limited Warranty for the longer
of ninety (90) days from the date of delivery or the remaining Warranty
Period. This Limited Warranty is non-transferable from the original purchaser
to subsequent owners and the Warranty Period will not be extended in duration
or expanded in coverage for any such transfer.
6. WARRANTY CONDITIONS; HOW TO GET SERVICE IF YOU WANT TO CLAIM UNDER THIS
LIMITED WARRANTY Before being able to claim under this Limited Warranty, the
owner of the Product must (a) notify MRCOOL of the intention to claim by
visiting our website during the Warranty Period and providing a description of
the alleged failure, and (b) comply with MRCOOL’s return shipping
instructions.
7. WHAT THIS LIMITED WARRANTY DOES NOT COVER This warranty does not cover the
following (collectively “Ineligible Products”): Products marked as “sample” or
sold “AS IS”; or Products that have been subject to: (a) modifications,
alterations, tampering, or improper maintenance or repairs; (b) handling,
storage, installation, testing, or use not in accordance with the User’s Guide
or other instructions provided by MRCOOL; (c) abuse or misuse of the Product;
(d) breakdowns, fluctuations, or interruptions in electric power or the
telecommunications network; or (e) Acts of God, including lightning, flood,
tornado, earthquake, or hurricane. This warranty does not cover consumable
parts, unless damage is due to defects in materials or workmanship of the
Product, or software (even if packaged or sold with the product). Unauthorized
use of the Product or software can impair the Product ‘s performance and may
invalidate this Limited Warranty.
8. DISCLAIMER OF WARRANTIES EXCEPT AS STATED ABOVE IN THIS LIMITED WARRANTY,
AND TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, MRCOOL DISCLAIMS ALL
EXPRESS, IMPLIED, AND STATUTORY WARRANTIES AND CONDITIONS WITH RESPECT TO THE
PRODUCT, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY, AND FITNESS FOR
A PARTICULAR PURPOSE. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW.
MRCOOL ALSO LIMITS THE DURATION OF ANY IMPLIED WARRANTIES OR CONDITIONS TO THE
DURATION OF THIS LIMITED WARRANTY.
9. LIMITATION OF DAMAGES IN ADDITION TO THE ABOVE WARRANTY DISCLAIMERS, IN NO
EVENT WILL MRCOOL. BE LIABLE FOR ANY CONSEQUENTIAL, INCIDENTAL, EXEMPLARY, OR
SPECIAL DAMAGES, INCLUDING ANY DAMAGES FOR LOST DATA OR LOST PROFITS, ARISING
FROM OR RELATING TO THIS LIMITED WARRANTY OR THE PRODUCT, AND MRCOOL’S TOTAL
CUMULATIVE LIABILITY ARISING FROM OR RELATED TO THIS LIMITED WARRANTY OR THE
PRODUCT WILL NOT EXCEED THE ORIGINAL PRICE OF THE PRODUCT.
10. LIMITATION OF LIABILITY MRCOOL ONLINE SERVICES (“SERVICES”) PROVIDE YOU
INFORMATION (“PRODUCT INFORMATION”) REGARDING YOUR MRCOOL’S PRODUCTS OR OTHER
PERIPHERALS CONNECTED TO YOUR PRODUCTS (“PRODUCT PERIPHERALS”). THE TYPE OF
PRODUCT PERIPHERALS THAT MAY BE CONNECTED TO YOUR PRODUCT MAY CHANGE FROM TIME
TO TIME WITHOUT LIMITING THE GENERALITY OF THE DISCLAIMERS ABOVE. ALL PRODUCT
INFORMATION IS PROVIDED FOR YOUR CONVENIENCE, “AS IS”, AND “AS AVAILABLE”.
MRCOOL DOES NOT REPRESENT, WARRANT, OR GUARANTEE THAT PRODUCT INFORMATION WILL
BE AVAILABLE, ACCURATE, OR RELIABLE OR THAT PRODUCT INFORMATION OR USE OF THE
SERVICES OR PRODUCT WILL PROVIDE SAFETY IN YOUR HOME. YOU USE ALL PRODUCT
INFORMATION, THE SERVICES, AND THE PRODUCT AT YOUR OWN DISCRETION AND RISK.
YOU WILL BE SOLELY RESPONSIBLE FOR, AND MRCOOL DISCLAIMS ANY ASSOCIATED
DAMAGES, INCLUDING TO YOUR WIRING, FIXTURES, ELECTRICTY, HOME, PRODUCT,
PRODUCT PERIPHERALS, COMPUTER, MOBILE DEVICE, AND ALL OTHER ITEMS AND PETS IN
YOUR HOME, RESULTING FROM YOUR USE OF THE PRODUCT INFORMATION, SERVICES, OR
PRODUCT. PRODUCT INFORMATION PROVIDED IS NOT INTENDED AS A SUBSTITUTE FOR
DIRECT MEANS OF OBTAINING THE INFORMATION. IN ADDITION TO THE ABOVE, IN NO
EVENT WILL MRCOOL BE LIABLE FOR ANY CONSEQUENTIAL, INCIDENTAL, EXEMPLARY,
ACCIDENTAL, OR SPECIAL DAMAGES, INCLUDING ANY DAMAGES ARISING DUE TO THE USAGE
OF PRODUCT OR PRODUCT PERIPHERALS.
11. VARIATIONS THAT MIGHT APPLY TO THIS LIMITED WARRANTY Some jurisdictions
do not allow limitations on how long an implied warranty lasts or
exclusions/limitations on incidental or consequential damages, so some of the
limitations set out above may not apply to you.
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Smart Wi-Fi Mini-Stat
The design and specifications of this product and/or manual are subject to
change without prior notice. Consult with the sales agency or manufacturer for
details.