Honeywell CT3500/CT3595 Programmable Thermostat Owner's Guide

This manual introduces the features and characteristics of the Honeywell CT3500/CT3595 programmable thermostat, including how to install, set up, and use it. The thermostat uses Smart Response™ technology to automatically adjust the temperature according to your daily routine, ensuring that you stay comfortable at all times.


Honeywell CT3500/CT3595 Programmable Thermostat Owner's Guide - cover page
Brand
Honeywell
Document type
User Manual
Language
English
Pages
24
File format
PDF
File size
519 KB
Published
07 May, 2012
Updated
01 October, 2023
MD5 checksum
A4CC437841111F7C9515D9CF73473DF8

About this manual

This guide explains how to install, wire, and program the Honeywell CT3500/CT3595 programmable thermostat. It covers preparation, removal of the old thermostat, mounting the wallplate, wiring, battery installation, fan switch settings, and final mounting.

Key sections include Smart Response™ technology, detailed wiring diagrams, battery replacement, fan operation, programming modes, and a troubleshooting section with warranty information.

What's inside

  • Prepare for Installation
  • Remove Old Thermostat
  • Mount Thermostat Wallplate
  • Wire Wallplate Terminals
  • Install the Batteries
  • Set Fan Operation Switch
  • Mount the Thermostat
  • Customize Your Thermostat
  • Set the Clock
  • Programming

Specifications

Operating Voltage20 to 30 Vac
Battery Type3 AA alkaline (Energizer® recommended)
DisplayDigital display
System CompatibilityCompatible with 2‑wire Honeywell and Taco zone valves
Smart Response TechnologyAutomatically adjusts heating/cooling start times

Frequently asked questions

How do I replace the batteries?

Install three AA alkaline batteries with the positive terminals pointing up; replace them when the low‑battery indicator flashes.

Can I get the instructions in Spanish or French?

Yes, call 1‑800‑468‑1502 to request the guide in Spanish or French.

What is Smart Response™ technology?

It calculates the optimal time of day to turn on heating or cooling based on temperature, wall temperature, and the programmed schedule.

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