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American Standard ACONT302 - User Manual

American Standard ACONT302
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Pub No. 11-HD17D1-1C-EN
Part No. 37-7775005
September 2020
A
CONT302 and 303 Installation and User Guide
American Standard
Touchscreen Thermostat
ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
IMPORTANT — This Document is customer property and is to remain with this unit.
These instructions do not cover all variations in systems or provide for every possible contingency to be met in connection with
the installation. Should further information be desired or should particular problems arise which are not covered sufficiently
for the purchaser’s purposes, the matter should be referred to your installing dealer or local distributor.

Table of Contents

Questions and Answers

  • A
    Anthony GreerAug 7, 2025
    What to do if my American Standard ACONT302 has no heat, cool, or fan?
    • D
      Diana RamirezAug 7, 2025
      If your American Standard Thermostat isn't heating, cooling, or running the fan, here's what to check: * **Blown fuse or tripped circuit breaker:** Replace the fuse or reset the breaker. * **Furnace power switch:** Ensure the switch is turned to ON. * **Furnace blower compartment door:** Make sure the door panel is correctly positioned to engage the safety interlock or door switch. * **Loose connections:** Tighten any loose connections to the thermostat or system.
  • D
    David WallerAug 15, 2025
    How to unlock American Standard Thermostat if I forgot the keypad code?
    • J
      Jacob GonzalesAug 15, 2025
      To unlock your American Standard Thermostat when you've forgotten the keypad lockout code, press and hold the menu key (the key will disappear) for 20 seconds. This should unlock the thermostat.
  • M
    Michael CruzAug 21, 2025
    What to do if American Standard ACONT302 display is blank or keypad not responding?
    • A
      Amanda HessAug 21, 2025
      If your American Standard Thermostat displays a blank screen or the keypad isn't responding, it might be due to a voltage spike or static discharge. Try performing the Reset Operation.
  • T
    Tracy CruzAug 29, 2025
    How to fix no heat on American Standard Thermostat?
    • C
      Christopher GordonAug 29, 2025
      If your American Standard Thermostat isn't producing heat, try these solutions: * **Pilot light:** Re-light the pilot light. * **Furnace Lock-Out:** If the heat works intermittently, this could be a furnace lock-out condition. Contact the furnace manufacturer or a local HVAC service person for assistance. * **Thermostat Issues:** If the thermostat doesn't click after resetting, contact your heating and cooling service person or place of purchase for a replacement.

Summary

Safety Precautions

Live Electrical Components

Safety precautions for working with live electrical parts.

Mercury Notice

Information regarding mercury content in replaced products.

Product Specifications

General Information

Overview

General description of the thermostat's capabilities.

Contents and Accessories

Lists package contents and optional accessories.

Installation Guide

Location and Mounting

Optimal placement and physical mounting instructions.

Battery and Power Settings

Battery replacement and power stealing switch info.

Wiring Diagrams

AC and Heat Pump System Wiring

Wiring configurations for AC and Heat Pump systems.

Package Unit System Wiring

Wiring configurations for Package Unit systems.

Thermostat Quick Reference

Programming and Configuration Items

Explains display indicators and programming keys.

Installer Configuration Menu

Thermostat Operation and Settings

Temperature Limits and Lockout

Setting temperature limits and keypad lockout options.

Dual Fuel and Auxiliary Heat

Configuration for dual fuel systems and auxiliary heat.

Humidity and Maintenance Settings

Humidity control, UV lamp, pad, and filter change reminders.

Basic Operations and Modes

Fan, heating, cooling, emergency heat, and dehumidification ops.

American Standard ACONT302 Specifications

General IconGeneral
BrandAmerican Standard
ModelACONT302
CategoryThermostat
LanguageEnglish

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