Aprilaire 8353 - User Manual

1
Installation Guide
IMPORTANT SAFETY INFORMATION WARNING:
•
Always turn off power at the main power source by unscrewing
fuse or switching circuit breaker to the off position before installing,
removing, cleaning, or servicing thermostat.
•
Read all of the information in this manual before installing or
programming this thermostat.
•
This is a 24V AC low-voltage thermostat. Do not install on voltages
higher than 30V AC.
•
All wiring must conform to local and national building and electrical
codes and ordinances.
•
Do not short (jumper) across terminals on the gas valve or at the
system control to test installation. This will damage the thermostat
and void the warranty.
5 - 2 Day Programmable
1 Heat / 1 Cool
Electric / Gas
MODEL 8353
User’s Manual
Installation and
Programming
ELECTRONIC THERMOSTATS
®

Aprilaire 8353 Specifications

General

Brand	Aprilaire
Model	8353
Category	Thermostat
Language	English

Summary

Installation Guide

IMPORTANT SAFETY INFORMATION WARNING

Key safety precautions and warnings for installing the thermostat, including power shut-off and voltage limits.

Features

Replacing Existing Thermostat

Installing the Model 8353 Thermostat

Programming Guide

Set Time of Day, Day of Week, Temperature Differential

Guide to setting the current time, day, and adjusting temperature differential for optimal performance.

Changing Fahrenheit (F) to Celsius (C)

Setting Daily Programming

Begin Programmed Operation

Temporary Program Override

Manual Operation

Reset

To Test Thermostat

Troubleshooting

Wiring Diagrams

Limited Warranty