nest Learning thermostat - User Manual

Nest Learning Thermostat
Pro installation & configuration guide
Need help?
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Help online: http://support.nest.com/certified
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Nest Certified Professional support: 1-855-VIP-NEST (1-855-847-6378)
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Hours: 5am-9pm (pacific), 8am-midnight (eastern).
Last updated: April 17, 2013
Version: 2.0

nest Learning thermostat Specifications

General

Product color	Black, Grey
Memory function	No
Batteries included	Yes

Weight and Dimensions

Width	83 mm
Height	28 mm

Summary

Installation Overview

Installation Details

Guidance on specific installation steps and external resources.

Whats Different About Installing Nest

Key differences compared to traditional thermostats and installation benefits.

Installation Check-list

A comprehensive checklist for a successful Nest thermostat installation.

Technical Specifications

Sensors

Details on temperature, humidity, and activity sensors.

Power

Information on power source, battery life, and wiring requirements.

Display

Specifications for the LCD screen resolution and diameter.

Language

Supported languages for the Nest thermostat interface.

Supported Wiring

Wiring Diagrams: Conventional Systems

Visual guides for connecting various conventional HVAC system wires.

Wiring Diagrams: Heat Pump Systems

Visual guides for connecting heat pump system wiring configurations.

Wiring Diagrams: Humidifiers and Dehumidifiers

Wiring configurations for whole-home humidifiers and dehumidifiers.

Configuring Nest with Pro Setup

What is Pro Setup?

Overview of the professional installation and configuration mode.

How do I enter Pro Setup?

Instructions for accessing the Pro Setup configuration menu.

How do I use Pro Setup?

Guidance on navigating and configuring Nest using Pro Setup.

How do you configure special systems?

Configuration steps for complex systems like dual fuel and heat pumps.

How To Quick Reference Guide

Initial Nest Configuration and System Detection

Steps for initial setup, Wi-Fi connection, and system detection.

Pro Setup for HVAC System Control

Professional configuration of Nest for specific HVAC system control.

Basic Operation Testing After Installation

Procedures for testing heating and cooling functions post-installation.

Testing Advanced Heating Stages

How to test second stage and auxiliary heat functions.

Switching Operational Modes

Instructions for changing operational modes on the thermostat interface.

Heat Pump Lockout Temperature Settings

Configuring lockout temperatures for heat pump auxiliary and compressor.

Adjusting Heat Pump Valve Orientation

Steps to properly set the heat pump valve orientation.

Adjusting Away Temperatures

Setting energy-saving temperatures for when the home is unoccupied.

Setting Safety Temperature Limits

Configuring temperature limits to protect the home from extreme conditions.

Screen Brightness Adjustment

How to adjust the brightness level of the thermostat display.

Temperature Display Units (°F;°C)

Options for displaying temperature in Fahrenheit (°F) or Celsius (°C).

Troubleshooting

Handling Unusual Thermostat Wiring

Guidance for wiring configurations that deviate from standard setups.

Power Sharing Issues

Addresses problems with Nest not receiving sufficient power via W or Y wires.

Quick Troubleshooting Reference Guide

Nest Not Turning On (Red LED)

Steps to fix Nest not turning on with a blinking red LED.

Nest Not Turning On (No LED)

Steps to fix Nest not turning on with no LED indication.

Unit Running Backwards (Incorrect Mode)

Troubleshooting steps for incorrect heating/cooling operation direction.

Fan Does Not Operate

Steps to diagnose why the HVAC fan is not turning on.

Nest App Connectivity Issue (Question Mark)

Resolving connection issues shown as a question mark in Nest apps.

Forgot Lock Code

Procedure for unlocking the Nest thermostat if the code is forgotten.