th4110d1007 manual
Honeywell TH4110D1007 Manual: A Comprehensive Overview
This manual details the Honeywell TH4110D1007, a programmable thermostat offering basic comfort control and energy savings for conventional heating and cooling systems.
The Honeywell TH4110D1007 is a member of the PRO programmable thermostat family, designed for straightforward temperature management in residential settings. This thermostat provides users with a simple, yet effective, method for controlling their home’s heating and cooling systems. It’s particularly suited for systems with one heating stage and one cooling stage (1H/1C).
As a programmable device, the TH4110D1007 allows homeowners to establish customized temperature schedules, potentially leading to energy savings and increased comfort. While now discontinued by the manufacturer, it remains a popular choice due to its reliability and ease of use. The thermostat operates on 24V AC power and features a standard display for clear readability. It’s designed for wall-mount installation and is finished in a premier white color.
Key Features and Specifications
The Honeywell TH4110D1007 boasts several key features, including 5-2 day programmable scheduling, allowing for different settings on weekdays and weekends. It’s designed for 1-Heat and 1-Cool systems, making it compatible with many standard HVAC setups. The thermostat requires 24V AC power with a current draw of 1 Amp.
Regarding specifications, the TH4110D1007 operates within a temperature range of 50 to 99 degrees Fahrenheit. It features a standard display for easy viewing of settings and current temperature. Its dimensions are suited for typical wall mounting. Although discontinued, its robust design and simple functionality continue to appeal to users seeking a reliable, basic programmable thermostat for their homes.

Understanding the Thermostat’s Functionality
The Honeywell TH4110D1007 provides programmable temperature control, enabling users to customize heating and cooling schedules for optimal comfort and energy efficiency.
Programming Capabilities: 5-2 Day Scheduling

The Honeywell TH4110D1007 thermostat features a convenient 5-2 day scheduling program. This allows users to set different temperature programs for weekdays versus weekends, optimizing comfort and energy savings based on typical occupancy patterns. You can program different setpoints for wake, leave, return, and sleep periods each day.
This flexibility ensures that energy isn’t wasted heating or cooling an empty home during work or school hours, and provides comfortable temperatures when occupants are present. The thermostat stores these programmed schedules, automatically adjusting the temperature according to the user’s preferences. Simple programming makes it easy to tailor the system to individual lifestyles and needs, maximizing both comfort and cost savings.
Heat and Cool Control: 1-Heat, 1-Cool Systems
The Honeywell TH4110D1007 is specifically designed to control conventional 1-Heat, 1-Cool heating and cooling systems. This means it’s compatible with systems that have a single heating source (like a furnace) and a single cooling source (like an air conditioner). It’s not designed for heat pumps or multi-stage systems.

The thermostat seamlessly switches between heating and cooling modes based on the programmed setpoints and the current room temperature. Users can independently set desired temperatures for both heating and cooling, ensuring optimal comfort throughout the year. The simple interface allows for easy selection of heat, cool, or auto modes, providing straightforward control over the home’s climate.

Voltage and Current Requirements: 24V AC, 1 Amp
The Honeywell TH4110D1007 thermostat operates on a low-voltage system, requiring 24V AC power. This is a standard voltage for most residential heating and cooling systems. It’s crucial to ensure your HVAC system provides this voltage before installation to avoid damage to the thermostat or the system itself.
The thermostat has a maximum current draw of 1 Amp. This specification dictates the types of HVAC components it can reliably control. Exceeding this current limit could lead to malfunction. Proper wiring and adherence to the wiring diagram are essential for safe and effective operation. Always disconnect power before working with the thermostat’s wiring.

Installation and Wiring
Proper installation involves verifying HVAC compatibility, carefully connecting wires using the provided diagram, and securely mounting the thermostat on a wall.
Compatibility with HVAC Systems
The Honeywell TH4110D1007 thermostat is designed for use with standard 24VAC heating and cooling systems. Specifically, it supports 1-heat and 1-cool systems, making it suitable for most residential applications.
However, it’s crucial to confirm compatibility before installation. This thermostat is not designed for use with heat pump systems requiring more complex control sequences. Ensure your system operates on a conventional setup.
Carefully review your existing wiring and HVAC system documentation. If you have a heat pump, millivolt system, or line voltage system (120V/240V), the TH4110D1007 is likely not the correct thermostat. Incorrect installation can damage both the thermostat and your HVAC equipment. When in doubt, consult a qualified HVAC technician.
Wiring Diagram and Terminal Identification
Proper wiring is essential for the correct operation of the Honeywell TH4110D1007. Terminals are clearly labeled on the thermostat backplate. Common terminals include Rh (24V AC power), Rc (24V AC power – often jumpered to Rh), W (heat), Y (cool), and C (common – may not be required for all systems).
Always disconnect power to your HVAC system at the breaker before beginning any wiring. A typical wiring configuration involves connecting the corresponding wires from your existing thermostat to the appropriately labeled terminals on the TH4110D1007.
Refer to the detailed wiring diagram included with the thermostat or available online. Incorrect wiring can cause system malfunction or damage. If you are uncomfortable with electrical work, consult a qualified HVAC technician for assistance.
Mounting the Thermostat: Wall Mount Installation
The Honeywell TH4110D1007 is designed for standard wall mounting. Begin by removing your existing thermostat and carefully labeling the wires. Use the provided mounting screws and anchors to securely attach the thermostat baseplate to the wall. Ensure the baseplate is level for accurate temperature readings.
Route the wires through the opening in the baseplate and connect them to the appropriate terminals (refer to the wiring diagram). Gently push any excess wire back into the wall. Carefully align and snap the thermostat body onto the baseplate.
Verify a secure connection before restoring power. The thermostat should sit flush against the wall.

Operating the Honeywell TH4110D1007
The TH4110D1007 allows users to program temperature schedules, set the current date and time, and utilize temporary or permanent override functions.
Setting the Date and Time
To accurately program your Honeywell TH4110D1007 thermostat, correctly setting the date and time is crucial. Begin by accessing the thermostat’s settings menu, typically navigated through the buttons on the faceplate. Look for options labeled “Set Date” or “Set Time.” Use the up and down arrow buttons to adjust the month, day, and year, confirming each selection.
Next, proceed to set the time. Adjust the hour and minute, paying attention to AM or PM designation. Some models may require a separate confirmation step for the time setting. Accurate timekeeping ensures that programmed schedules operate as intended, maximizing energy savings and comfort. Refer to the full manual for specific button configurations, as slight variations may exist.
Programming Temperature Schedules
The Honeywell TH4110D1007 features a 5-2 day programmable schedule, allowing distinct settings for weekdays and weekends. Access the programming mode via the thermostat’s menu. You’ll typically define separate temperature settings for “Wake,” “Leave,” “Return,” and “Sleep” periods. For each period, set your desired temperature using the up and down arrow buttons.
The thermostat remembers these settings and automatically adjusts the temperature according to your schedule. Ensure you differentiate between heating and cooling modes when programming. Review your schedule regularly to optimize comfort and energy efficiency. The 5-2 day format simplifies programming, providing consistent comfort throughout the week.
Temporary and Permanent Overrides
The Honeywell TH4110D1007 allows for both temporary and permanent overrides of your programmed schedule. A temporary override adjusts the temperature for a single period, reverting to the programmed schedule afterward. This is ideal for short-term comfort adjustments. To activate, simply adjust the temperature to your desired setting.
A permanent override, sometimes called “Hold,” maintains the adjusted temperature indefinitely until you manually cancel it. Access the “Hold” function through the thermostat’s menu. Be mindful when using permanent overrides, as they bypass energy-saving schedules. To return to the programmed schedule, select the “Run” or “Resume” option within the menu.

Troubleshooting Common Issues
Addressing problems like a non-responsive thermostat, inaccurate temperature readings, or programming difficulties is crucial for optimal performance and consistent comfort control.
Thermostat Not Powering On
If the Honeywell TH4110D1007 fails to power on, begin by verifying the power supply. Ensure the system’s power switch is active and the circuit breaker hasn’t tripped.
Carefully inspect the thermostat wiring, confirming all connections at the terminals are secure and correctly placed according to the wiring diagram. A loose wire can interrupt the power flow.
Confirm the thermostat is receiving the correct voltage – it requires 24V AC. If the issue persists, check the furnace or HVAC system’s control board for power. A faulty control board could be the root cause.
Important: Disconnect power before inspecting wiring. If you are uncomfortable with electrical work, consult a qualified HVAC technician.
Incorrect Temperature Readings
If the Honeywell TH4110D1007 displays inaccurate temperature readings, several factors could be at play. First, ensure the thermostat isn’t directly exposed to sunlight, drafts, or heat-generating appliances, as these can skew the sensor’s accuracy.
Verify the thermostat is properly calibrated. While the TH4110D1007 doesn’t offer extensive calibration options, a simple reset might help. Check for obstructions blocking airflow around the thermostat.
Compare the thermostat’s reading with a reliable thermometer placed nearby. A significant discrepancy suggests a potential sensor issue. If the problem continues, consider the thermostat’s age; sensors can degrade over time;
Programming Errors and Resetting
Encountering programming errors with the Honeywell TH4110D1007 is common, often stemming from incorrect button presses or unintended overrides. If the schedule isn’t functioning as expected, carefully review each programmed period for accuracy – day, time, and temperature settings.
To reset the thermostat to factory defaults, consult the full user manual (available online) for the specific procedure. Generally, this involves holding a combination of buttons for a set duration.
Caution: Resetting will erase all programmed schedules, requiring you to re-enter them. Before resetting, document your current settings. If errors persist after resetting, double-check the wiring connections and consider contacting a qualified HVAC technician.

Technical Specifications in Detail
The Honeywell TH4110D1007 operates on 24V AC with a 1 Amp current, features a 50-99°F temperature range, and utilizes a standard display.
Temperature Range: 50 to 99 Degrees F
The Honeywell TH4110D1007 thermostat is designed to effectively manage temperatures within a range of 50 to 99 degrees Fahrenheit. This broad spectrum allows for comfortable climate control across various seasons and geographical locations. The thermostat accurately senses ambient temperature and adjusts the HVAC system accordingly to maintain the programmed setpoints.
Operating outside this specified range may result in inaccurate readings or the thermostat’s inability to properly control the heating or cooling system. It’s crucial to ensure the thermostat is installed in a location representative of the average room temperature, away from direct sunlight or drafts, to optimize performance within this 50-99°F window. Consistent operation within this range ensures both comfort and energy efficiency.
Display Type: Standard Display
The Honeywell TH4110D1007 utilizes a standard digital display, prioritizing clarity and ease of use for fundamental temperature and programming information. This display presents essential data such as the current temperature, setpoint temperature, time, and operating mode (heat or cool) in a straightforward manner.
While not featuring advanced graphical interfaces or backlighting found in higher-end models, the standard display is designed for reliable visibility under typical indoor lighting conditions. The interface focuses on providing core functionality without unnecessary complexity, making it accessible for users seeking a simple, programmable thermostat. Its clear presentation ensures quick and easy monitoring of your home’s climate control settings.
Discontinued Status & Availability
The Honeywell TH4110D1007 has been officially discontinued by the manufacturer, Honeywell. This means that new production units are no longer being made. However, despite being discontinued, the thermostat remains available through various online retailers and distributors, though stock levels may vary considerably.
Consumers seeking to purchase this model should expect potentially limited availability and fluctuating prices; It’s advisable to check multiple sources, such as Amazon and OnlineSupply.com, to compare options. While still functional and supported for existing users, finding replacement parts may become increasingly challenging over time due to its discontinued status.

















































































