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Google Nest Pro Installation And Configuration Manual
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Google Nest Pro Installation And Configuration Manual

Google Nest Pro Installation And Configuration Manual

Learning thermostat 3rd generation
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Google Nest Learning Thermostat
3rd generation
Pro Installation and Configuration Guide
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Summary of Contents for Google Nest Pro

  • Page 1 Google Nest Learning Thermostat 3rd generation Pro Installation and Configuration Guide...
  • Page 2 Tips to get the most out of this document Some section headers are links to Google support pages with more detailed information about the feature or function. The table of contents contains hyperlinks to the pages and sections within the document. Use these to quickly navigate to the section with information you are looking for.
  • Page 3 Pro Installation and Configuration Guide Table of Contents General Information Wiring Diagrams cont. Getting started with Nest Conventional Systems Learning Thermostat Heat Pump Systems Nest Pro Program Dual Fuel Systems Key Features and Functions Multi-Speed Fans HVAC System Compatibility Humidifiers and Technical Specifications Dehumidifiers...
  • Page 4 Nest Learning Thermostat. Helpful Links for you Beginners Guide to Nest Thermostats Nest Pro Support Articles Nest Thermostat Settings Menu Nest Thermostat Information Menu How to tell which Nest...
  • Page 5 What is a Nest Pro ID? Your Nest Pro ID is your company’s unique 6-digit ID. Find it at the top right corner of your Nest Pro dashboard. And make sure your technicians know your Nest Pro ID and enter in on every install to unlock big benefits for you and your customers.
  • Page 6 Details Nest Pro Warranty Eligibility When a Nest thermostat is purchased from and installed by a registered Nest Pro, it includes an extended Pro Warranty. The Pro-exclusive warranty adds 3 years of additional coverage, totaling 5 years of warranty coverage.
  • Page 7 Sometimes, HVAC systems show warning signs that they are having issues. For example, if it takes longer than usual to cool a home, there might be a problem with the cooling system (AC). Google Nest may send the homeowner an email alert or a Home app notification when if a warning sign is detected.
  • Page 8 HVAC problem. If Google Nest detects an issue that should be fixed soon, an early warning alert will be sent to the homeowner within a week of detecting the problem. For example, if a homeowners A/C is running longer than usual, this may indicate it needs to be serviced.
  • Page 9 Auto-Schedule Auto-Schedule uses a series of algorithms and weighted pattern recognition to create a temperature schedule. At first, every adjustment you make is incorporated into the schedule, but over time your Google Nest thermostat will only incorporate patterns of changes.
  • Page 10 You can automate home devices and take care of everyday tasks based on your location with Home & Away Routines in the Google Home app or with Google Home for web. If you have an existing Nest Account and wish to use this feature, it's recommended that you migrate to a Google Account.
  • Page 11 For a list of the different issues HVAC monitoring can detect please see our help center here. As a Nest Pro, your information can be surfaced to the customer whenever an HVAC alert is triggered. For more information about how to become a Nest Pro, visit our Nest Pro website.
  • Page 12 General Information - Key Features and Functionality Sunblock Direct sunlight can cause a thermostat’s temperature sensor to heat up, so it may think that the ambient temperature in the room is higher than it actually is. With Sunblock enabled, the feature will compensate for the direct sunlight to keep your home more comfortable and more true to the real temperature inside.
  • Page 13 Off. This can help ensure that your pipes won't freeze or your home won't overheat. Thermostat Lock Locking your Google Nest Learning Thermostat prevents people from changing settings or changing the temperature outside of a restricted range with the thermostat.
  • Page 14 General Information - Key Features and Functionality Utility Rebates and Programs Nest thermostats are eligible for rebates through local utility providers. Some rebates require enrollment in programs and features that work on Nest thermostats such as Rush Hour Rewards. For more information about Rush Hour Rewards, visit this link.
  • Page 15 General Information - HVAC System compatibility HVAC System Compatibility System Compatibility Works with 95% of 24V systems: gas, electric, Fan (including multi-speed) (G or G1,G2,G3) oil, forced air, heat pump & radiant Humidifier or dehumidifier (HUM, DEHUM) Heating: 1, 2 and 3 stages (W1, W2, W3) Heat pump: with auxiliary/alternate and Cooling: 1 and 2 stages (Y1, Y2) emergency heat (O/B, AUX, ALT, E)
  • Page 16 General Information - HVAC System compatibility Conventional Connectors Heat Pump with Aux Heat Pump with Dual Heat Connectors Fuel Connectors Stage 1 compressor Stage 1 compressor Stage 1 compressor relay relay relay Stage 2 compressor relay, 2nd-speed fan Stage 2 compressor Stage 2 compressor relay relay relay...
  • Page 17 Technical Specifications - Technical Information Power: These values can be found in the Technical Information Built in lithium-ion battery Menu on the thermostat. (Divide VOC and VIN values Uses less than 1 kWh/month by 1.414 to get the RMS voltage) Voltage requirement: 20-30V AC VOC- 29-42V (with or without C wire) Max VA- 5VA...
  • Page 18 Installation Overview -Installation Features Installation Features System Match When you first install the Nest Thermostat, it checks to see what wires you’ve inserted into the base’s connectors and prompts you for additional information where needed. Pro Setup Pro Setup lets Nest Pros configure advanced settings to set up complex systems, including dual-fuel systems, humidifiers/dehumidifiers, and multi-speed fans.
  • Page 19 Installation Overview -Installation Overview Installation Overview What is in this section The next three pages of this document will provide an overview of the installation process of the Nest Learning Thermostat. After the overview, there is much more detailed information about the available terminals, standard presets and ranges, how to configure complex systems, and step by step instructions to configure the thermostat.
  • Page 20 Installation Overview -Installation Overview Confirm system compatibility Before opening the Nest Learning Thermostat package, check all of the wires connected to the current thermostat against the list of available connectors on the Nest Thermostat box, or use Compatibility Checker to show you exactly where to connect each wire. Briefly test the HVAC system Test the heating, cooling, fan and other system features with the current thermostat before installing the Nest thermostat so you can address any existing issues.
  • Page 21 Installation Overview -Installation Overview Install the Nest Thermostat Run the wires through the center of the Nest Thermostat base and attach it to the wall using the screws provided. Do not use a power drill on the screws. Over tightening the screws can damage the circuitry in the Nest base.
  • Page 22 The Google Home app will allow the customer to use voice control with the Google Assistant as well as advanced routines and automations. The customer will just need to sign into the Google Home app with the same Google Account used in the Nest App Adjust necessary equipment settings For complex equipment systems, additional settings may need to be adjusted.
  • Page 23 SETTINGS > EQUIPMENT > CONTINUE > CONTINUE > PRO SETUP. In both cases you will need to enter your Pro ID which can be found next to your username on the Nest Pro website. Pro Setup lets you configure how the Nest Thermostat controls each wire connected to it. When you first enter Pro Setup, you’ll see an image of the connectors on the Nest base.
  • Page 24 Installation Overview - Configuring with Pro Setup Key wiring and compatibility notes Boilers Must use an external transformer for a source of constant 20-30 VAC when using the power connector. If the boiler is DC powered, you must install a SSR between the transformer and terminal block Zone Panels We will not work with zoned systems in which the thermostat does the activation and deactivation of the zoned dampers;...
  • Page 25 Installation Overview - Configuring with Pro Setup Standard Presets and Feature Ranges Function Notes Droop 1°F Dead band Intelligently set between .7°F and 1°F Heat Pump Balance Heat Pump Balance Default Setting: Balanced Options: Max Comfort, Max Savings, Balanced, Off Heat Pump Aux Upstage Timer Based on Heat Pump Balance setting 60 minutes (Max Comfort)
  • Page 26 Installation Overview - Complex Systems How to configure complex systems Heat Pump Systems Configuring O/B Wire- Orientation and Activation The majority of heat pumps use an “O” orientation, so when setting up a heat pump, this will be the default orientation during configuration.
  • Page 27 Installation Overview - Complex Systems Duel Fuel Systems If there’s an O/B wire and one or more W wires connected to the Nest thermostat (which indicates that the system uses a heat pump with an additional heating source), Pro Setup will first ask if the heating system is dual fuel or single fuel.
  • Page 28 Installation Overview - Complex Systems Multi Speed fans The Nest Learning Thermostat is compatible with most multi-speed fans (up to 3 speeds) on systems that use standard 24 volt wiring. It will control the fan differently depending on how many fan wires are connected. If your customer has a multi-speed fan with a single wire, the system will control the fan speed, not the Nest thermostat.
  • Page 29 If you have a standalone Dehumidifier or Humidifier, you will be able to set a specific Humidity percentage in the equipment page of the thermostat or in the Nest or Google Home App. If you have a system with a Dehumidify mode, you will use...
  • Page 30 Installation Overview - Complex Systems Humidifier Pro Setup will show an Activate setting to specify whether heat needs to be activated for humidification to turn on. Bypass humidifiers should use the Hum. + heat option while steam, independent, or on demand humidifiers should use the Hum.
  • Page 31 Installation Overview - Complex Systems Built-in Humidifier system, 2 wire This system has a humidifier built into its HVAC system and 2 separate hum wires. Install the 2 hum wires directly into the relay Run the single wire from the relay to the * terminal. Nest recommends the White Rodgers 90-290Q or similar 24VAC HVAC relay.
  • Page 32 Language: Confirm preferences Equipment: Select “Pro” and “Enter Pro ID” Selecting “Pro” will provide more setup options. You don’t need to be a Nest Pro to select this option. Equipment: Configure and confirm available settings for all wires. Wires highlighted in yellow will require you to view the setup options before continuing. Wires highlighted in...
  • Page 33 Installation Overview - Step by Step Nest App: Add the thermostat to the Nest App on customer’s phone, or select “Not Now” to proceed with configuring the thermostat without using the customer’s phone. This will require you to input more information manually on the thermostat, and can be done with or without Wi-Fi.
  • Page 34 Installation Overview - Step by Step Installation Step by Step- Nest App On the Nest App: Add Product: Select “Add Product” in the Settings Tab or the Home Screen then Scan the QR code on the thermostat screen, or on the back of the thermostat. You can also use the “Entry Key” instead of the QR code which can be found on the back of the thermostat.
  • Page 35 Installation Overview - Step by Step Feature Overview: The Nest Learning Thermostat will explain the Auto Schedule feature and what to expect over the next few days. It will then ask you to confirm the Eco Temperatures for the thermostat. Once you’ve adjusted the Eco Temperatures, you are ready to proceed with the system test on the thermostat.
  • Page 36 Installation Overview - Step by Step Installation Step by Step- On Device On the thermostat Internet Connection: If you do not add the thermostat to the app when prompted, you will be asked to connect the thermostat to a Wi-Fi network. If there is Wi-Fi available, you should see the available networks, and input the password.
  • Page 37 Wiring Diagrams - Conventional 1 stage heating Wiring Diagrams - Conventional Conventional 1 stage heating Wire Label Function Heat Relay (Stage 1) W2/AUX 24VAC Common Wire 24VAC power from heating transformer Install Notes: Use for personal/or system notes...
  • Page 38 Wiring Diagrams - Conventional 2 stage heating Conventional 2 stage heating Wire Label Function Heat Relay (Stage 1) W2/AUX Heat Relay (Stage 2) 24VAC Common Wire 24VAC power from heating transformer Install Notes: Use for personal/or system notes...
  • Page 39 Wiring Diagrams - Conventional 3 stage heating Conventional 3 stage heating Wire Label Function Heat Relay (Stage 1) W2/AUX Heat Relay (Stage 2) 24VAC Common Wire Heat Relay (Stage 3) 24VAC power from heating transformer Install Notes: Use for personal/or system notes...
  • Page 40 Wiring Diagrams - Conventional 1 stage heating, 1 stage cooling Conventional 1 stage heating, 1 stage cooling Wire Label Function Compressor Relay (Stage 1) Fan Relay 24VAC power from cooling transformer Heat Relay (Stage 1) W2/AUX 24VAC Common Wire Install Notes: Use for personal/or system notes...
  • Page 41 Wiring Diagrams - Conventional 2 stage heating, 1 stage cooling Conventional 2 stage heating, 1 stage cooling Wire Label Function Compressor Relay (Stage 1) Fan Relay 24VAC power from cooling transformer Heat Relay (Stage 1) W2/AUX Heat Relay (Stage 2) 24VAC Common Wire Install Notes: Use for personal/or system notes...
  • Page 42 Wiring Diagrams - Conventional 2 stage heating, 2 stage cooling Conventional 2 stage heating, 2 stage cooling Wire Label Function Compressor Relay (Stage 1) Compressor Relay (Stage 2) Fan Relay 24VAC power from cooling transformer Heat Relay (Stage 1) W2/AUX Heat Relay (Stage 2) 24VAC Common Wire Install Notes: Use for personal/or system notes...
  • Page 43 Wiring Diagrams - Conventional 3 stage heating, 2 stage cooling Conventional 3 stage heating, 2 stage cooling Wire Label Function Compressor Relay (Stage 1) Compressor Relay (Stage 2) Fan Relay 24VAC power from cooling transformer Heat Relay (Stage 1) W2/AUX Heat Relay (Stage 2) 24VAC Common Wire Heat Relay (Stage 3)
  • Page 44 Wiring Diagrams - Conventional 1 stage heating, 2 stage cooling Conventional 1 stage heating, 2 stage cooling Wire Label Function Compressor Relay (Stage 1) Compressor Relay (Stage 2) Fan Relay 24VAC power from cooling transformer Heat Relay (Stage 1) W2/AUX 24VAC Common Wire Install Notes: Use for personal/or system notes...
  • Page 45 Wiring Diagrams - 1 stage heat pump Heat Pumps 1 stage heat pump Wire Label Function Compressor Relay (Stage 1) Fan Relay Heat Pump Changeover Valve 24VAC power from cooling transformer W2/AUX 24VAC Common Wire Install Notes: Use for personal/or system notes...
  • Page 46 Wiring Diagrams - 1 stage heat pump with Aux heat 1 stage heat pump with Aux heat Wire Label Function Compressor Relay (Stage 1) Fan Relay Heat Pump Changeover Valve 24VAC power from cooling transformer W2/AUX Auxiliary Heat Relay 24VAC Common Wire Heat Relay (Stage 3) 24VAC power from heating transformer...
  • Page 47 Wiring Diagrams - 1 stage heat pump with Aux and Emergency heat 1 stage heat pump with Aux and Emergency heat Wire Label Function Compressor Relay (Stage 1) Fan Relay Heat Pump Changeover Valve 24VAC power from cooling transformer W2/AUX Auxiliary Heat Relay 24VAC Common Wire E Heat...
  • Page 48 Wiring Diagrams - 2 stage heat pump 2 stage heat pump Wire Label Function Compressor Relay (Stage 1) Compressor Relay (Stage 2) Fan Relay Heat Pump Changeover Valve 24VAC power from cooling transformer W2/AUX 24VAC Common Wire Install Notes: Use for personal/or system notes...
  • Page 49 Wiring Diagrams - 2 stage heat pump with Aux heat 2 stage heat pump with Aux heat Wire Label Function Compressor Relay (Stage 1) Compressor Relay (Stage 2) Fan Relay Heat Pump Changeover Valve 24VAC power from cooling transformer W2/AUX Auxiliary Heat Relay 24VAC Common Wire Install Notes: Use for personal/or system notes...
  • Page 50 Wiring Diagrams - 2 stage heat pump with Aux and Emergency heat 2 stage heat pump with Aux and Emergency heat Wire Label Function Compressor Relay (Stage 1) Compressor Relay (Stage 2) Fan Relay Heat Pump Changeover Valve 24VAC power from cooling transformer W2/AUX Auxiliary Heat Relay...
  • Page 51 Wiring Diagrams - 1 stage heat pump, 1 stage heat Dual Fuel 1 stage heat pump, 1 stage heat Wire Label Function Compressor Relay (Stage 1) Fan Relay Heat Pump Changeover Valve 24VAC power from cooling transformer Heat Relay (Stage 1) W2/AUX 24VAC Common Wire Install Notes: Use for personal/or system notes...
  • Page 52 Wiring Diagrams - 2 stage heat pump, 1 stage heat 2 stage heat pump, 1 stage heat Wire Label Function Compressor Relay (Stage 1) Compressor Relay (Stage 2) Fan Relay Heat Pump Changeover Valve 24VAC power from cooling transformer Heat Relay (Stage 1) W2/AUX 24VAC Common Wire Install Notes: Use for personal/or system notes...
  • Page 53 Wiring Diagrams - 1 stage heat pump, 2 stage heat 1 stage heat pump, 2 stage heat Wire Label Function Compressor Relay (Stage 1) Fan Relay Heat Pump Changeover Valve 24VAC power from cooling transformer Heat Relay (Stage 1) W2/AUX Heat Relay (Stage 2) 24VAC Common Wire Install Notes: Use for personal/or system notes...
  • Page 54 Wiring Diagrams - 2 stage heat pump, 2 stage heat 2 stage heat pump, 2 stage heat Wire Label Function Compressor Relay (Stage 1) Compressor Relay (Stage 2) Fan Relay Heat Pump Changeover Valve 24VAC power from cooling transformer Heat Relay (Stage 1) W2/AUX Heat Relay (Stage 2) 24VAC Common Wire...
  • Page 55 Wiring Diagrams - 2 stage heat pump, 2 stage heat with Emergency heat 2 stage heat pump, 2 stage heat with Emergency heat Wire Label Function Compressor Relay (Stage 1) Compressor Relay (Stage 2) Fan Relay Heat Pump Changeover Valve 24VAC power from cooling transformer Heat Relay (Stage 1)
  • Page 56 Wiring Diagrams - 2 speed fan Fan Control 2 speed fan Wire Label Function 2nd-speed fan relay Fan Relay 24VAC power from cooling transformer W2/AUX 24VAC Common Wire Install Notes: Use for personal/or system notes...
  • Page 57 Wiring Diagrams -3 speed fan 3 speed fan Wire Label Function 2nd-speed fan relay Fan Relay 24VAC power from cooling transformer W2/AUX 24VAC Common Wire 3rd-speed fan relay Install Notes: Use for personal/or system notes...
  • Page 58 Wiring Diagrams - Hum or Dehumn Hum or Dehum Hum or Dehum Wire Label Function W2/AUX 24VAC Common Wire HUM/DHUM 24VAC power from heating transformer Install Notes: Use for personal/or system notes...
  • Page 59 Troubleshooting - Handling Unusual Thermostat Wiring Troubleshooting Handling Unusual Thermostat Wiring When a B or X wire is a common wire Most thermostat manufacturers use C to designate the connector for the common wire. However there are some Trane, American Standard, and York thermostats use B for the common wire. The NEMA standard designated the B wire as one of the change-over wires for some heat pump manufacturers.
  • Page 60 Troubleshooting - Power Sharing If the Nest thermostat isn't getting enough power from W or Y and there is no Common (“C”) wire While we find that in the vast majority of homes the Nest Thermostat can charge its built in battery by power sharing from the regular heating and cooling wires.
  • Page 61 Troubleshooting - Power Sharing Power Requirements and Details Battery- If your thermostat isn’t receiving enough power to charge the battery and it falls below 3.6V, your thermostat will turn off Wi-Fi, delay software updates, and disable the screen to preserve the battery charge and delay shutting down completely.
  • Page 62 Troubleshooting - Power Solutions Nest Power Connector If your thermostat has power-related issues, like the battery draining too quickly or Wi-Fi constantly disconnecting, you can typically fix them by connecting a common wire (C wire) or by installing the Nest Power Connector.
  • Page 63 Reference Material - “How To” Quick Reference Guides Reference Materials “How To” Quick Reference Guide Action: Steps: Demonstrate how to use the Nest Thermostat: Tips on providing a good Basic temp changes ● customer experience Home/eco mode manual switching ● Switching between heat/cool modes, etc.
  • Page 64 Reference Material - “How To” Quick Reference Guides Action: Steps: Testing the basic operation Use System Test function in Equipment settings after installation You can use the System Test function in the Equipment settings to engage each individual equipment component. If the thermostat is not connected to Wi-Fi, you will need to manually activate equipment by following the steps below.
  • Page 65 Reference Material - “How To” Quick Reference Guides Action: Steps: Switch between Heating, To switch to and from heating and cooling modes, follow these steps: Cooling, and Heat•Cool mode Press the ring to bring up the menu Select the Heating and Cooling icon Turn the ring to select HEAT, COOL, HEAT •...
  • Page 66 Reference Material - “How To” Quick Reference Guides Action: Steps: Adjust ECO Heating and These temperatures are set as the final step during the setup interview. Cooling Temperatures To adjust: Press the ring to bring up the menu Turn the ring and select SETTINGS Turn the ring and select ECO Turn the ring to set the HEAT TO temperature.
  • Page 67 They can also find it in the Nest App in the Contacts page of the Settings Menu. They can also find it in the Google Home App in the Support section of the Settings Tab.
  • Page 68 Apple App Store Google Play Open the Google Home App and sign in with the same account used for the Nest App Read and agree to Google’s Terms of Service Have the customer check the top right to make sure the house is the same as in the Nest App Make sure Nest devices show up under the “Devices”...
  • Page 69 Ensure all wires are fully inserted and the connector buttons are in the down position before performing additional troubleshooting. Important Note: These errors may change with future software updates. Visit support.google.com for the latest information. Error # Description: What’s going on?
  • Page 70 Reference Material - Wiring Errors Error # Description: What’s going on? Heat pump can have at most The Nest Thermostat was previously setup as a single fuel system one auxiliary heat wire with auxiliary heat put it’s detecting both W1 and AUX/W2 wires that aren’t supported in that configuration.
  • Page 71 Reference Material - Wiring Errors Error # Description: What’s going on? Your Nest may have tripped an The Nest Thermostat either has wires that aren't fully inserted into internal fuse and Nest needs to the connectors or has tripped an internal fuse. be replaced E100 E101...
  • Page 72 Reference Material - Wiring Errors Error # Description: What’s going on? E113 G2 and O/B wire conflict The Nest Thermostat has detected a G2 (fan) wire in the Y2 connector, and a wire in the O/B connector. This wiring indicates a multi-speed fan and a heat pump.
  • Page 73 Reference Material - Troubleshooting Troubleshooting Quick Reference Guide: Symptom: What’s going on: Steps to fix: Nest doesn’t turn on after The internal battery is low If you leave it where it is, it will slowly charge installation and needs to charge. and eventually turn on.
  • Page 74 Reference Material - Troubleshooting Troubleshooting Quick Reference Guide: Symptom: What’s going on: Steps to fix: Fan doesn’t come on Either there is an issue with First, check the wiring to make sure the wires the air handler or with the are in the right place and the wire tips are Nest Thermostat.
  • Page 75 Dual Fuel - 10, 13, 22, 24, 26, 59, 63 Wi-Fi Network - 5, 10, 13, 14, 16, 18, Dual Fuel Breakpoint - 13, 24 Nest Pro ID - 4, 5, 6, 22, 31, 67 20, 23, 32, 33, 35,59, 60, 61, 62, 63, Early On - 10...
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