Honeywell CT3500/CT3595 Mount Thermostat Wallplate, Replacing a Thermostat that has Three Wires

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Replacing a Thermostat that has Three Wires

If you have three wires for a heating only system and can operate the fan using the fan ON switch this thermostat works with your system. However, some hot water (zoned) heating systems also have three wires. Your thermostat will work only if you install an isolating relay on these systems. For details, call your local heating and/or cooling contractor.

STEP 3. MOUNT THERMOSTAT WALLPLATE

❑ Separate the wallplate from the thermostat by placing your thumb or fingers between the bottom of the wallplate and the thermostat, and pulling the wallplate up and away from the thermostat. See illustration at right.

❑ Position the wallplate on the wall. Level the wallplate for appearance if desired. Use a pencil to mark the two mounting holes that best fit the application.

M16427

❑Remove the wallplate from the wall. Drill two 3/16 in. holes in wall (if drywall) as shown. For materials such as plaster or wood, drill 7/32 in. holes where marked. Gently, tap the (provided) anchors into the drilled holes until they are flush with the wall.

❑Reposition the wallplate over the holes. Pull the wires through the wiring opening. Loosely insert mounting screws into each of the holes

❑Level the wallplate if desired. Thermostat functions properly when not level.

❑Tighten mounting screws.

WALL

WIRES

THROUGH WALL

WALL

ANCHORS (2)

MOUNTING

HOLES

MOUNTING

SCREWS

M15044

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69-1199—2

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Contents Honeywell CT3500/CT3595 Table of Contents69-1199-2 Mercury Notice69-1199-2 System Hold forDays WakeLeaveReturnSleepTools Required Prepare for InstallationPackage Contents Compatibility ChartReplacing a Thermostat that has Six or More Wires Special InstallationsRemove OLD Thermostat Mount Thermostat Wallplate Replacing a Thermostat that has Three WiresWire Wallplate Terminals Terminal Designations on Old and New Thermostats Install the BatteriesConnect To Description If the thermostat is already mounted on the wall, remove SET FAN Operation SwitchCustomize Your Thermostat Mount the ThermostatSmart Response Technology Feature Number System Type Feature NumberTemperature Format Feature Number Set Current Day and Time Time Format Feature NumberFactory Set Function Feature Number SET the ClockProgramming Sleep Program WeekdaysLeave ReturnClear a Program Period Program Saturday and SundayYou press Program Change Temperature Setting Indefinitely HoldTo cancel Hold press Program Operating Your ThermostatConnected to the G thermostat terminal Fan Auto Normal setting for most homes. The equipmentControls the fan operation 40 to 90F 4.5 to 32C for heating If YOU have a ProblemSolution Guide Then…Display flashes during programming Toll-Free Customer AssistanceCheck the program times for the period in question Smart Response Technology TemperatureWire HEAT-ONLY Jumper Intact Wiring DiagramsWire HEAT/COOL with Damper Jumper Intact Home and Building Control Limited One-Year Warranty

CT3500/CT3595 specifications

The Honeywell CT3500 and CT3595 are advanced thermostat models designed to deliver optimal comfort and energy efficiency for residential and commercial spaces. Both models reflect Honeywell's commitment to innovation in climate control technology, providing users with smart features that enhance convenience and sustainability.

One of the standout features of the CT3500 and CT3595 is their intuitive user interface. With a large, easy-to-read display, these thermostats allow users to monitor and adjust temperature settings effortlessly. The touchscreen functionality simplifies operations, making adjustments quick and straightforward, which is especially useful for people with busy lifestyles.

Both models offer programmable scheduling options, allowing users to set different temperature profiles based on their daily routines. This feature is particularly beneficial in conserving energy, as homeowners can program the thermostat to reduce heating or cooling during hours when the space is unoccupied. With the option to create unique schedules for weekdays and weekends, the CT3500 and CT3595 provide significant flexibility.

The CT3500 and CT3595 are equipped with advanced learning algorithms that enable them to adapt to user preferences over time. Through continuous monitoring, these thermostats learn when users typically adjust the temperature, allowing them to optimize energy usage while maintaining comfort levels. This smart learning capability contributes to improving energy efficiency and reducing utility costs.

Additionally, both models are compatible with a variety of HVAC systems, enhancing their versatility and installation options. Whether utilized with conventional heating and cooling systems or more advanced setups such as heat pumps, these thermostats ensure users can manage their climate control effectively.

Another key feature is the energy-saving reminders, which prompt users to perform maintenance tasks, such as changing filters. This capability helps maximize system efficiency and prolong the life of heating and cooling equipment, ensuring that the system operates smoothly.

The CT3595 takes it a step further by incorporating Wi-Fi connectivity, allowing remote access via smartphones or tablets. This feature enables users to control their home environment on-the-go, making adjustments from anywhere at any time, which is invaluable for those who travel frequently or have unpredictable schedules.

In summary, the Honeywell CT3500 and CT3595 offer users a blend of user-friendly design, intelligent programming capabilities, and energy-efficient performance. With their modern features, these thermostats are well-suited for anyone looking to enhance their home or office's comfort while keeping energy costs in check.
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