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Compatibility

Mysa App Compatibility and Requirements. 1. Device Requirements:

Wifi and Phone/Tablet requirements

Mysa In-Floor is equipped with a 5 mA Class A Ground Fault Circuit Interrupter (GFCI), a critical safety feature for your floor heating system. GFCIs, common in North American homes, are designed to interrupt power during surges or faults, enhancing

Ground Fault Circuit Interruptor (GFCI)

Purchasing Additional Temperature Sensors/Probes

In-Floor Temperature Sensor/Probe

Warning! High Voltage!!Any work with high voltage equipment can be dangerous or even fatal if you do not take proper precautions. You should never work with live wires. You can determine which cable is coming from the circuit breaker panel and which

<p data-pm-slice="1 1 [&quot;container_admonition&quot;,{&quot;style&quot;:&quot;danger&quot;}]" id="isPasted"><strong><span style="color: rgb(209, 72, 65);">Warning! High Voltage!!</span></strong><span style="color: rgb(209, 72, 65);"><br>Any work with high voltage equipment can be dangerous or even fatal if you do not take proper precautions. You should <strong>never</strong> work with live wires.</span></p><h1 id><br></h1><h2 data-pm-slice="1 1 []" id="identifying-wires-by-voltage">Identifying Wires by Voltage</h2><p>You can determine which cable is coming from the circuit breaker panel and which cables go to the heater by using a voltmeter. Reference the tables below to determine the identification voltages.</p><h2 data-pm-slice="1 1 []" id="-1"><br></h2><h2 data-pm-slice="1 1 []" id="240v-installations">240V installations</h2><p><strong>L1 to L2 - 240V</strong></p><div data-pm-slice="1 1 []"><table style="margin-right: calc(15%); width: 85%;"><tbody><tr><td style="width: 49.4051%;"><p style="text-align: center;"><strong>&#xA0;Gang Box Wires</strong></p></td><td style="width: 50.5949%;"><p style="text-align: center;"><strong>&#xA0; &#xA0; &#xA0; &#xA0; &#xA0; &#xA0; Identification Voltages&#xA0;</strong></p></td></tr><tr><td style="width: 49.4051%;"><p style="text-align: center;">Second supply wire (L2) (240V)&#xA0;</p></td><td style="width: 50.5949%;"><p style="text-align: center;">Ground to L2 (120V)</p></td></tr><tr><td style="width: 49.4051%;"><p style="text-align: center;">Supply Wire (L1)&#xA0;</p></td><td style="width: 50.5949%;"><p style="text-align: center;">Ground to L1 (120V)</p></td></tr><tr><td style="width: 49.4051%;"><p style="text-align: center;">Load Wire&#xA0;</p></td><td style="width: 50.5949%;"><p style="text-align: center;">Ground to Load (0V)</p></td></tr><tr><td style="width: 49.4051%;"><p style="text-align: center;">Group/Copper&#xA0;</p></td><td style="width: 50.5949%;"><p style="text-align: center;">N/A&#xA0;</p></td></tr></tbody></table></div><p><br></p><h2 data-pm-slice="1 4 []" id="120v-installations">120V Installations</h2><p><strong>L1 to N - 120V</strong></p><div data-pm-slice="1 1 []"><table style="margin-right: calc(32%); width: 68%;"><tbody><tr><td style="width: 55.5587%;"><p style="text-align: center;"><strong>Gang Box Wires</strong></p></td><td style="width: 44.229%;"><p style="text-align: center;"><strong>Identification Voltages&#xA0;</strong></p></td></tr><tr><td style="width: 55.5587%;"><p style="text-align: center;">Neutral Wire</p></td><td style="width: 44.229%;"><p style="text-align: center;">Ground to N (0V)</p></td></tr><tr><td style="width: 55.5587%;"><p style="text-align: center;">Supply Wire (L1)</p></td><td style="width: 44.229%;"><p style="text-align: center;">Ground to L1 (120V)</p></td></tr><tr><td style="width: 55.5587%;"><p style="text-align: center;">Load Wire</p></td><td style="width: 44.229%;"><p style="text-align: center;">Ground to Load (0V)</p></td></tr><tr><td style="width: 55.5587%;"><p style="text-align: center;">Group/Copper</p></td><td style="width: 44.229%;"><p style="text-align: center;">N/A&#xA0;</p></td></tr></tbody></table></div><p><br></p><h2 data-pm-slice="1 1 []" id="120v-or-240v-system">120V or 240V System?</h2><p><span style="color: rgb(55, 65, 81); font-family: S&#xF6;hne, ui-sans-serif, system-ui, -apple-system, &quot;Segoe UI&quot;, Roboto, Ubuntu, Cantarell, &quot;Noto Sans&quot;, sans-serif, &quot;Helvetica Neue&quot;, Arial, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Noto Color Emoji&quot;; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">There are two quick and straightforward methods to identify the voltage your heating system operates on. It&apos;s important to note that these methods are general guidelines and are applicable to most homes. However, some homes may have unique setups, and these guidelines may not be universally applicable.</span></p><p data-pm-slice="1 2 []"><strong>Method One</strong></p><p><span style="color: rgb(55, 65, 81); font-family: S&#xF6;hne, ui-sans-serif, system-ui, -apple-system, &quot;Segoe UI&quot;, Roboto, Ubuntu, Cantarell, &quot;Noto Sans&quot;, sans-serif, &quot;Helvetica Neue&quot;, Arial, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Noto Color Emoji&quot;; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">Identify the breaker in your electrical panel connected to your thermostat. If you observe a single breaker switch resembling the one depicted in the image below, it is indicative of a 120V setup</span></p><p><br></p><p><img src="https://attachments.gorgias.help/j4xj/hc/9dy3/ecdf7f78-a7f5-45a2-af48-80a00d3c3b82-347b0813-59fd-4dad-ba16-d89eec9724fa.png" width="100" contenteditable="false" style="width: 145px; height: 145px;" class="fr-fic fr-dii"></p><p><br></p><p data-pm-slice="1 1 []"><span style="color: rgb(55, 65, 81); font-family: S&#xF6;hne, ui-sans-serif, system-ui, -apple-system, &quot;Segoe UI&quot;, Roboto, Ubuntu, Cantarell, &quot;Noto Sans&quot;, sans-serif, &quot;Helvetica Neue&quot;, Arial, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Noto Color Emoji&quot;; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">If you observe a double breaker, as depicted in the image below, it is indicative of a 240V configuration.</span></p><div data-pm-slice="0 0 []"><p><br></p><div data-pm-slice="0 0 []"><img src="https://attachments.gorgias.help/j4xj/hc/9dy3/12762070-add8-49e8-908f-b6182198d34f-64f2f97e-bcc0-4a14-b1bc-ba808a8ea860.png" width="50" contenteditable="false" style="width: 109px; height: 218px;" class="fr-fic fr-dii"><p><br></p><p><br></p><p><strong>Method 2</strong></p><p>If you have a Single Pole breaker - &#xA0;it&apos;s indicative of a 120V configuration.&#xA0;</p><p>If you have a Double Pole breaker - it&apos;s indicative of a 240V</p><p data-pm-slice="1 1 []"><br></p><div data-pm-slice="2 2 []"><p><span style="color: rgb(147, 101, 184);"><em>If you are unsure of any of these, Please consult with an electrician! OR<a href="https://mysathermostat.typeform.com/to/jaiOo47v?typeform-source=help.getmysa.com" rel="noopener noreferrer nofollow" target="_blank">&#xA0;</a></em></span><span style="color: rgb(41, 105, 176);"><em><a href="https://mysathermostat.typeform.com/to/jaiOo47v?typeform-source=help.getmysa.com" rel="noopener noreferrer nofollow" target="_blank">Book an installation appointment</a>&#xA0;</em></span><span style="color: rgb(147, 101, 184);"><em><a href="https://mysathermostat.typeform.com/to/jaiOo47v?typeform-source=help.getmysa.com" rel="noopener noreferrer nofollow" target="_blank">with a Mysa Pro</a>.&#xA0;</em></span></p></div></div><p><br></p></div><div data-pm-slice="0 0 []" id="isPasted"><p style="border: 0px solid rgb(217, 217, 227); box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-pan-x: ; --tw-pan-y: ; --tw-pinch-zoom: ; --tw-scroll-snap-strictness: proximity; --tw-gradient-from-position: ; --tw-gradient-via-position: ; --tw-gradient-to-position: ; --tw-ordinal: ; --tw-slashed-zero: ; --tw-numeric-figure: ; --tw-numeric-spacing: ; --tw-numeric-fraction: ; --tw-ring-inset: ; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgba(69,89,164,.5); --tw-ring-offset-shadow: 0 0 transparent; --tw-ring-shadow: 0 0 transparent; --tw-shadow: 0 0 transparent; --tw-shadow-colored: 0 0 transparent; --tw-blur: ; --tw-brightness: ; --tw-contrast: ; --tw-grayscale: ; --tw-hue-rotate: ; --tw-invert: ; --tw-saturate: ; --tw-sepia: ; --tw-drop-shadow: ; --tw-backdrop-blur: ; --tw-backdrop-brightness: ; --tw-backdrop-contrast: ; --tw-backdrop-grayscale: ; --tw-backdrop-hue-rotate: ; --tw-backdrop-invert: ; --tw-backdrop-opacity: ; --tw-backdrop-saturate: ; --tw-backdrop-sepia: ; margin: 1.25em 0px; color: rgb(55, 65, 81); font-family: S&#xF6;hne, ui-sans-serif, system-ui, -apple-system, &quot;Segoe UI&quot;, Roboto, Ubuntu, Cantarell, &quot;Noto Sans&quot;, sans-serif, &quot;Helvetica Neue&quot;, Arial, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Noto Color Emoji&quot;; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: pre-wrap; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="font-family: Arial, Helvetica, sans-serif; font-size: 16px;"><strong>For any inquiries or support, reach out to&#xA0;</strong></span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 16px;"><strong><a href="https://help.getmysa.com/en-US/contact">our dedicated all-human Customer Experience team.</a></strong></span></p></div>

Identifying voltages

Contact Mysa Support

Mysa for In-Floor Heating

Before you buy

Overview

Compatibility Checker — for Central HVAC

Compatibility Guide — for Central HVAC

Understanding Your C-Wire (and the Mysa C-Wire Adapter)

What’s in the Box

DIY vs. Professional Installation

Understanding Low Voltage vs. High Voltage Thermostats

Mysa for Central HVAC Installation (Overview)

Wiring Guide for Mysa for Central HVAC

Installing Your Mysa C-Wire Adapter

Mysa for Central HVAC Installation Guide

Configuring Central HVAC for Your HVAC System

Pairing Your Mysa for Central HVAC

Installation Troubleshooting for Mysa for Central HVAC

Central HVAC Checklist — Get Ready for your Installation

Installation

Understanding Fan Control

Understanding Heating or Cooling Delays

Understanding Auto (Heat & Cool) Mode

Welcome to Your Central HVAC Display & Control

Getting Started

Troubleshooting Connection Issues

Troubleshooting HVAC Response (Heat, Cool, or Fan)

Understanding Wall Draft and How It Affects Your Mysa for Central HVAC

Troubleshooting: Mysa Thermostat Reboots During Heating Calls

Troubleshooting: Mysa Thermostat Reboots During Cooling Calls

Troubleshooting Auto Mode: Why Isn’t My System Heating or Cooling?

Troubleshooting

Mysa for Central HVAC

What is the difference between Mysa V2 & Mysa Lite?

Mysa V2 vs Mysa Lite

Identifying Voltages

FAQs

Technical specifications-Baseboard

Technical Specifications

Installation steps

Mysa Pairing

Device/Hardware Interaction Guide: Manual control, Common icons and more

Type of heater in the App- Baseboard

Device setup & connect

Mysa for Baseboard Heating

Technical specifications

Technical specifications - InFloor

In-Floor Installation

In-Floor Installation Guide

Test the GFCI

Mysa AC compatibility

Mysa for AC - Supported Brands

Compatibility FAQ'S

Mysa AC- Before you buy

Device Set Up

Mysa AC pairing

AC Homekit pairing

Mysa AC Device/Hardware Interaction Guide

Mysa for AC and Mini-Splits FAQs

Mysa AC- Installation & connection

Mysa for Mini-splits and Air Conditioners

Mysa Account

Account FAQ'S

Explore the App

Changing the settings for the Thermostat on the App

Navigating Follow and Hold Settings in the Mysa App

Setup

Changing the settings for the Thermostat

Thermostat Settings and Display

Mysa Homes

Zones- For Mysa V1 & V2 ONLY

Zones FAQ's- For Mysa V1 & V2 ONLY

Shared Access

Off Mode

Modes

Scheduling

Saved Schedules-For Mysa V2, In-Floor and Mysa AC.

Scheduling FAQ's

Shortcuts

Geofencing

Home Environment Alerts- For Mysa V2, Mysa In-floor and Mysa AC.

Smart Alerts

Mysa Monthly Energy Report- For Mysa Baseboard and Mysa In-floor

Energy Usage-For Mysa V2 and Mysa In-floor

How to maximize your Mysas for summer energy savings.

Energy Intelligence

Early On

Early-On

Filter Cleaning Reminders

Climate+

Mysa AC  features

Brightness

Disconnect notifications

Features

Mysa App

Payment FAQs

Rebate FAQ's

Order management

Demand Response FAQ

Purchasing

What are the estimated shipping times?

Shipping FAQs

Shipping & Delivery

Return policy

Return FAQs

Returns

Purchasing, Shipping & Returns

Mysa's Compatibility with Home Automation Systems

Apple HomeKit and Siri

Amazon Alexa

Google Home

Smart Home Integrations

How to fix an error code on the Mysa display?

Error code H2

Error Code: H3

Error Code H4

Error codes

Account troubleshooting

Scheduling Troubleshooting

Geofencing troubleshooting

Device Permission Error

I updated my password or router - How do I reconnect my thermostat?

Shared Access troubleshooting

Shortcut Troubleshooting

How do I set the thermostat to pairing mode?

Connectivity issues

Merged Network Troubleshooting

Reconnecting after a disconnect

WiFi routers that are problematic with Mysa

Changing WIFI Settings

Failure to Connect

Firmware update failed

Wifi and pairing

Amazon Alexa issues

Google Home issues

Apple HomeKit Issues

Where to find your Homekit Code

Smart Home integrations

Find My AC Code Set / No Code Found

Understanding Your Mysa AC Modes & Settings

How Mysa AC Manages Temperature

Why Is My Unit Displaying in Fahrenheit or Celsius When I Change the Temperature or Mode with Mysa?