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Honeywell ComfortNET CTK04

Honeywell ComfortNET CTK04
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ComfortNet™ CTK04 Communicating Thermostat
With wireless accessories
System
Installation
Guide
Modulating control for up to 4 Heat/2 Cool communicating heat pump systems or up to
3 Heat/2 Cool communicating gas heat, electric cooling systems for residential and
commercial applications.
Installation guide for:
Quick start guide
ComfortNet CTK04
Communicating Thermostat
Portable Comfort Control
Wireless Outdoor Sensor
Wireless Indoor Sensor
• RedLINK
Internet Gateway
Entry/Exit Remote
Vent Boost Remote
1
Install thermostat ..........................................................page 4
2
Power optional accessories ................................................... 7
3
Setup thermostat ................................................................... 8
4
Link optional accessories ......................................................9
5
Mount optional accessories ................................................. 11
6
Installer options ...................................................................12
ComfortNet™ User Menu .................................................... 13
Device replacement and specifications ..........................21-23
DISCONNECT POWER BEFORE INSTALLATION. Can cause electrical shock or equipment damage.
MERCURY NOTICE: If this product is replacing a control that contains mercury in a sealed tube, do not place the old control in
the trash. Contact the Thermostat Recycling Corporation at www.thermostat-recycle.org or 800-238-8192 for information on how and
where to properly and safely dispose of your old thermostat.
Must be installed by a trained, experienced technician. Read these instructions carefully. Failure to follow these
instructions can damage the product or cause a hazardous condition.
I/O-CHTSTAT03
69-2688-11
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Honeywell ComfortNET CTK04 Specifications

General IconGeneral
BrandHoneywell
ModelComfortNET CTK04
CategoryThermostat
LanguageEnglish

Summary

ComfortNet CTK04 Communicating Thermostat Overview

Installation Guide For Accessories

Lists the specific guides and accessories covered in the manual.

Quick Start Guide

Provides a step-by-step overview for initial setup and installation.

The ComfortNet Advantage

RedLINK Compatible

Lists compatible accessories that enhance system functionality.

Customizable Service Reminders

Explains the feature to set up maintenance and service notifications.

User Interactions Log

Describes the log that tracks thermostat setting changes for troubleshooting.

Configurable for Residential and Light Commercial Applications

Details the thermostat's adaptability for different application types.

USB Port

Explains how to use the USB port for data transfer and configuration.

Selectable Sensors

Describes how to choose and use various sensors for temperature control.

Installation

Valid System Configurations

Outlines the specific HVAC system types compatible with the thermostat.

Installing Thermostat

Provides detailed instructions for physically mounting and wiring the thermostat base.

Install Thermostat

Thermostat Mounting

Specifies optimal placement, height, and drilling for thermostat installation.

Terminal Functions

Lists and explains the purpose of each terminal on the thermostat base.

Wire Gauge

Recommends the appropriate wire gauge and maximum distance for connections.

Install Thermostat

Wiring Thermostat, Indoor Unit and Outdoor Unit

Details the wiring connections between the thermostat, indoor unit, and outdoor unit.

Power Optional Accessories

Outdoor Air Sensor

Instructions for powering the outdoor wireless sensor with batteries.

Indoor Air Sensor

Instructions for powering the indoor wireless sensor with batteries.

Portable Comfort Control

Instructions for powering the Portable Comfort Control unit with batteries.

RedLINK Internet Gateway

Explains the function and connection of the Internet Gateway.

Power Optional Accessories

TrueSTEAM

Details connecting and configuring the TrueSTEAM humidifier with a wireless adapter.

EntryExit Remote or Vent Boost Remote

Instructions for powering and inserting batteries into remotes.

Setup Thermostat

Initial Power Up

Guides the user through the first power-on sequence and initial setup screens.

Select Language

Explains how to choose the display language for the thermostat.

Select Application (Residential or Commercial)

Guides the selection between residential and commercial application modes.

Enter a Device Name

Describes how to assign a name to the thermostat for identification.

Link Optional Accessories to Wireless Network

Wireless Outdoor Sensor

Steps to link the wireless outdoor sensor to the thermostat.

Wireless Indoor Sensor

Steps to link wireless indoor sensors to the thermostat, including battery status.

Link Optional Accessories to Wireless Network

Portable Comfort Control

Instructions for linking the Portable Comfort Control unit.

RedLINK Internet Gateway

Steps for linking the RedLINK Internet Gateway and online registration.

TrueSTEAM

Steps for linking the TrueSTEAM humidifier's wireless adapter.

EntryExit Remote or Vent Boost Remote

Instructions for linking remotes to the thermostat.

Mount Optional Accessories

To Install Outdoor Air Sensor

Mounting instructions for the outdoor wireless sensor.

To Install Indoor Air Sensor

Mounting instructions for the indoor wireless sensor.

To Install EntryExit Remote or Vent Boost Remote

Instructions for mounting remotes to the wall.

Installer Options (ISU)

Create Setup

Guides the user through setting up all system parameters one by one.

ViewEdit Current Setup

Allows modification of specific system functions and settings.

Installer Test

Provides a diagnostic test for system operation and component checks.

Data Logs

Accesses logs for alerts and user interactions for troubleshooting.

Wireless Device Manager

Manages the pairing and removal of wireless accessories.

Advanced Options

Accesses advanced settings via USB or restores factory defaults.

Installer Options (ISU)

ComfortNet User Menu

Describes how to access and navigate the user-level menu for settings.

Wiring Humidifier to the IFC

Wiring TrueSTEAM to IFC

Details the wiring connections for TrueSTEAM humidifier to the IFC.

Wiring TrueEASE to IFC

Details the wiring connections for TrueEASE humidifier to the IFC.

Heat Pump with Outdoor Temperature Lockouts

Electric - Backup Heat Allowed with Heat Pump

Explains lockout behavior for electric heat pumps based on outdoor temperature.

Fossil Fuel - Backup Heat NOT Allowed with Heat Pump

Explains lockout behavior for fossil fuel heat pumps based on outdoor temperature.

Basic and Advanced Temperature Control Options (ISU 3010)

Backup Heat Differential and Upstage Timer

Explains how backup heat differential and timers affect operation.

Normal Operation

Describes normal heat pump operation with backup heat based on differentials.

Manual Temperature Change

Details how manual temperature adjustments affect backup heat usage.

Programmed Recovery

Explains how programmed recovery interacts with backup heat usage.

Humidification

Window Protection

Explains the feature to prevent frost/condensation on windows using outdoor sensor.

Dehumidification - Residential

Residential Dehumidification Control

Describes using the cooling system to reduce humidity via overcooling.

Dehumidification - Commercial

Basic Dehumidification Method

Explains the basic dehumidification method using the cooling system.

Minimum On Time (ISU 9090)

Ensures compressor runs for a minimum duration for effective humidity reduction.

High Humidity Comfort Reset (ISU 9100)

Uses cooling to lower temp up to 5F for humidity control.

High Humidity Comfort Reset with Minimum On Time

Combines methods for humidity reduction and temperature maintenance.

Dehumidification Away Mode

Southern Dehumidification Away Mode Options

Options for managing humidity and temperature in unoccupied homes.

Ventilation

Ventilation Control Method (ISU 10050)

Explains methods for controlling ventilation based on ASHRAE or time.

Indoor Sensor Operation

Temperature Control

How the thermostat uses internal or remote sensors for temperature readings.

Humidification Control

How to select sensors for humidification control.

Dehumidification Control

How to select sensors for dehumidification control.

Alerts Log

User Interactions Log

Logs thermostat changes to identify user errors or system issues.

Replacing System Components

To Replace a Thermostat

Steps to disconnect the thermostat from accessories.

Disconnecting Accessories

Steps to disconnect wireless accessories from the thermostat.

Re-connect RedLINK Accessories

Guides on how to reconnect accessories after replacement.

Replacing System Components

To Remove Accessories from a Thermostat

Steps to remove accessories via the thermostat's menu.

Specifications & Replacement Parts

Operating Ambient Temperature

Lists the operational temperature ranges for various components.

Operating Relative Humidity

Lists the operational humidity ranges for various components.

Physical Dimensions (height, width, depth)

Provides the physical size specifications for the thermostat and accessories.

Electrical Ratings

States the electrical requirements for the device.

Accessories & Replacement Parts

Lists available accessories and their corresponding Honeywell part numbers.

Regulatory Information

FCC Compliance Statement (Part 15.19)

Statement of compliance with FCC rules for device operation.

FCC Warning (Part 15.21)

Warning regarding unauthorized modifications to the equipment.

FCC Interference Statement (Part 15.105 (b))

Details limits for digital devices and methods to mitigate interference.

Thermostats and Outdoor Sensor RF Exposure

RF exposure compliance information for thermostats and outdoor sensors.

Portable Comfort Control RF Exposure

RF exposure compliance information for the Portable Comfort Control.

Section 7.1.2 of RSS-GEN

Industry Canada regulations for radio transmitter gain.

Section 7.1.3 of RSS-GEN

Industry Canada conditions for radio operation.

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