Honeywell Home RTH6360D1002 Installation & User Guide
Welcome! This comprehensive guide details the installation and operation of your Honeywell RTH6360D1002 thermostat, offering flexible programming and easy control of your home’s climate.
Refer to ManualsLib and thermostat.guide for detailed instructions, troubleshooting, and accessing features like the Installer Setup (ISU) mode for optimal performance.
Walmart.com highlights the 5-2 day programmable schedule, while free online manuals provide insights into system changeover settings and potential wiring solutions.
The Honeywell Home RTH6360D1002 is a 5-2 day programmable thermostat designed for convenient and efficient home climate control. This user-friendly device allows for customized heating and cooling schedules, adapting to your lifestyle and potentially reducing energy consumption.
As detailed in resources like thermostat.guide and ManualsLib, the RTH6360D1002 offers a balance of functionality and simplicity. It’s suitable for both conventional and heat pump systems, providing adaptable control options. The thermostat features a clear display and intuitive controls for easy operation.
This guide, alongside the quick installation manual available on ManualsLib, will walk you through the entire process – from initial setup and wiring to programming and troubleshooting. Understanding the system changeover options (manual or automatic) is key to maximizing its benefits, as noted in various online resources.
Package Contents & Initial Inspection
Upon opening your Honeywell Home RTH6360D1002 package, carefully inspect all components. You should find the thermostat display unit, a UWP (Universal Wireless Platform) base plate, mounting screws, wire labels, and this installation guide. Verify that all listed items are present and undamaged.
Check the thermostat display for any visible cracks or defects. Examine the UWP base plate to ensure it’s free from bends or breaks. The wire labels are crucial for accurate wiring during installation, as highlighted in online manuals.
If any components are missing or appear damaged, do not proceed with installation. Contact Honeywell Home support immediately for assistance and replacement parts. Proper initial inspection ensures a smooth and successful installation process, preventing potential issues later on.
Safety Precautions
Important: Before beginning installation of your Honeywell RTH6360D1002 thermostat, always disconnect power to your heating and cooling system at the breaker box. Failure to do so could result in electrical shock or damage to the equipment.
If you are uncomfortable working with electrical wiring, consult a qualified HVAC technician. Improper wiring can lead to system malfunction or safety hazards. Use caution when handling wires and avoid touching bare conductors.
Ensure the installation location is dry and free from excessive dust or debris. Keep the thermostat away from direct sunlight, drafts, and sources of heat. Refer to online resources like thermostat.guide for additional safety tips and troubleshooting guidance. Prioritize safety throughout the entire installation process.

Installation Process
Begin by shutting off power, removing your old thermostat, and carefully identifying existing wires for connection to the UWP base plate—a crucial first step!
Step 1: Power Shut-Off
Before commencing any installation work, absolutely ensure the power to your heating and cooling system is completely switched off. Locate the circuit breaker that controls your HVAC system within your electrical panel. This is a critical safety precaution to prevent electrical shock and potential damage to the thermostat or your system.
Turn the breaker to the “OFF” position. To verify power is indeed off, use a non-contact voltage tester at the thermostat wires. If the tester doesn’t indicate voltage, you’re safe to proceed. Double-checking is always recommended! Ignoring this step could lead to serious injury or equipment malfunction. Remember, safety is paramount during installation.
Step 2: Removing the Old Thermostat
Carefully remove the cover of your existing thermostat. This often involves gently prying it off or releasing clips; Before disconnecting any wires, it’s crucial to clearly label each wire with its corresponding terminal designation – R, C, W, Y, and G. Use the provided wire labels or masking tape and a pen for accurate identification.
Take a photograph of the wiring configuration as a backup reference. Once labeled, disconnect the wires one at a time. Avoid letting the wires fall back into the wall! Secure them with tape if necessary. Remove the old thermostat baseplate from the wall. Now you’re prepared to install the UWP base plate for your new Honeywell RTH6360D1002.

Step 3: Identifying Thermostat Wires
Accurate wire identification is paramount for a successful installation. The most common wires are: R (Power) – typically red, providing 24V power; C (Common) – often blue, completing the circuit; W (Heat) – usually white, activating the heating system; Y (Cooling) – generally green, enabling the cooling system; and G (Fan) – typically brown, controlling the fan.
However, wire colors can vary, so rely on the terminal labels from your old thermostat and the photograph you took. If a ‘C’ wire isn’t present, a ‘C-wire adapter’ might be necessary. Carefully compare your wiring to the diagrams in this manual to ensure correct identification before proceeding to the next step. Incorrect wiring can damage your system!
Step 4: Wire Connection to the UWP Base Plate
Connect the identified wires to the corresponding terminals on the UWP (Universal Wiring Plate) base. Depress the tabs on each terminal before inserting the wires fully – ensuring a secure connection. Double-check that each wire is firmly seated in the inner hole of its designated terminal.
Refer to the terminal designations (R, C, W, Y, G) and the wiring diagram. Gently tug on each wire to confirm it’s locked in place. A loose connection can cause system malfunctions. ManualsLib highlights this step, emphasizing secure wire placement. Take your time and verify each connection before mounting the base plate.
Understanding Terminal Designations (R, C, W, Y, G)
Decoding the terminals is crucial for correct wiring. ‘R’ signifies the 24V power source (Red wire). ‘C’ is the common wire (usually Blue), providing a return path for the 24V power – essential for consistent operation. ‘W’ controls heating (White wire), activating the heating system. ‘Y’ manages cooling (Yellow wire), engaging the air conditioning.
Finally, ‘G’ operates the fan (Green wire). Incorrect wiring can damage the thermostat or HVAC system. Refer to your system’s wiring diagram and the RTH6360D1002 manual for specific configurations. Ensure you accurately identify each wire before connecting it to the UWP base plate, preventing potential issues.
Securing Wires to Terminals
Properly securing wires is vital for a reliable connection. Gently depress the terminal tabs on the UWP base plate before inserting each wire fully into its corresponding terminal. Ensure the wire is firmly seated within the inner hole of the terminal. Release the tab to clamp down on the wire, creating a secure hold.
A loose connection can cause intermittent operation or a complete system failure. Carefully tug on each wire after securing it to confirm it’s firmly held. Avoid stripping excessive insulation from the wires, as this can lead to shorts. Double-check all connections against your wiring diagram before proceeding.
Step 5: Mounting the UWP Base Plate
Once wires are connected, carefully position the UWP base plate on the wall where your old thermostat was located. Use the existing mounting holes whenever possible to avoid creating new ones. If new holes are necessary, use appropriate wall anchors for a secure fit.
Ensure the base plate is level for a professional appearance and proper thermostat operation. Secure the base plate to the wall using the provided screws. Do not overtighten, as this could damage the plate or the wall. Verify the base plate is firmly attached and doesn’t wobble before proceeding to the next step.
Step 6: Attaching the Thermostat Display Unit
With the UWP base plate securely mounted, gently align the thermostat display unit with the base. It should slide into place with a satisfying click, ensuring a snug and secure connection. Do not force the unit; if it doesn’t align easily, double-check the positioning and wiring.
Once attached, verify the display unit is firmly seated on the base plate and doesn’t exhibit any looseness. A proper connection is crucial for reliable operation and accurate temperature readings. This step completes the physical installation process, preparing the thermostat for initial power-up and configuration.

Thermostat Configuration & Setup
Begin setup! Access Installer Setup (ISU) mode to define your system type – heat pump or conventional – and configure heat stages for optimal control.
Step 7: Initial Power-Up & Display Check
Following successful installation, restore power to your HVAC system at the breaker. The Honeywell RTH6360D1002 thermostat display should illuminate, initiating a self-test sequence. Carefully observe the screen for any error messages or unusual behavior during this initial power-up phase.

A properly functioning display will showcase the current date and time, potentially prompting you to set these if not previously configured. Verify that all display segments are active and visible, ensuring clear readability. If the display remains blank, consult the troubleshooting section for potential solutions, such as checking wiring connections or battery levels.
This initial check confirms basic functionality before proceeding to more complex configuration steps. A successful display indicates a solid foundation for setting up your thermostat preferences.
Step 8: Accessing Installer Setup (ISU) Mode
To customize advanced settings, you’ll need to enter the Installer Setup (ISU) mode on your Honeywell RTH6360D1002. This mode allows adjustments to system type, heat stage configuration, and other critical parameters. Accessing ISU typically involves a specific button sequence – often holding the ‘Menu’ and ‘Temperature Up’ buttons simultaneously for several seconds.
Refer to thermostat.guide for precise instructions, as the exact procedure can vary; Once in ISU mode, navigate using the thermostat’s buttons to modify settings. Be cautious when altering parameters, as incorrect configurations can impact system performance.
Remember to exit ISU mode after making changes to prevent accidental adjustments. This ensures your personalized settings are saved and the thermostat operates as intended.
Step 9: Setting System Type (Heat Pump, Conventional)
Correctly identifying your heating and cooling system is crucial for accurate thermostat operation. Within the Installer Setup (ISU) mode, you’ll find an option to define your system type as either “Heat Pump” or “Conventional.” A conventional system typically uses a furnace for heating and a separate air conditioner for cooling.
Heat pump systems, conversely, provide both heating and cooling from a single unit. Selecting the wrong system type will lead to improper temperature control and inefficient operation. Consult your HVAC system’s documentation if you’re unsure which type you have.
The online manuals emphasize this setting’s importance; ensure the selection aligns with your home’s setup for optimal performance and comfort.
Step 10: Configuring Heat Stage & Backup Heat

Within the Installer Setup (ISU) mode, you’ll encounter settings for “Heat Stage” and “Backup Heat.” These configurations are vital for systems utilizing multiple heating sources. The Heat Stage setting defines the primary heating level, while Backup Heat activates an auxiliary heat source – often electric resistance heat – during extremely cold temperatures.
Setting the correct values ensures efficient heating and prevents unnecessary energy consumption. If you lack a backup heat stage, set the value to 0. The online resources highlight that proper configuration optimizes system performance.
Incorrect settings can lead to insufficient heating or excessive energy use, so carefully review your system’s specifications before proceeding.
Step 11: Setting System Changeover (Manual/Automatic)
The System Changeover setting within the Installer Setup (ISU) mode dictates how your thermostat switches between heating and cooling modes. You have two options: Manual or Automatic. Manual changeover requires you to manually switch between heat and cool, offering complete control but demanding active adjustment.
Automatic changeover allows the thermostat to intelligently switch based on the set temperature and the current room temperature, providing convenient, hands-free operation. Online manuals emphasize this setting’s importance for optimal comfort.
Select ‘0’ for Manual and ‘1’ for Automatic. Consider your climate and preference when choosing; automatic is generally recommended for consistent comfort.

Operating the RTH6360D1002
Enjoy effortless climate control! Understand display icons, program the 5-2 day schedule, and utilize the Hold/Run feature for personalized comfort and energy savings.
Step 12: Understanding the Display Icons
Decoding the Display: The RTH6360D1002 utilizes a series of icons to communicate the current thermostat status and system operation. Familiarizing yourself with these symbols is crucial for effective control. A flame icon indicates active heating, while a snowflake signifies cooling is engaged.
The fan icon displays the fan’s operational mode – ‘Auto’ for automatic operation with heating/cooling, or ‘On’ for continuous fan circulation. A battery icon alerts you to low battery levels, prompting replacement. The ‘Hold’ icon signifies a temporary override of the programmed schedule, maintaining a set temperature until manually released.
Additionally, icons may indicate system errors or specific operating conditions. Refer to the complete user manual for a detailed explanation of each icon and its corresponding meaning, ensuring optimal thermostat functionality and troubleshooting capabilities.

Step 13: Setting the Date and Time
Accurate Timekeeping: Correct date and time settings are fundamental for the RTH6360D1002’s scheduling functions to operate correctly. To set the date and time, navigate through the thermostat’s menu system, typically accessed via the ‘Menu’ or ‘Set’ button. Use the up and down arrow keys to adjust the year, month, day, hour, and minute.
Confirm each selection by pressing the ‘Set’ or ‘Enter’ button. Ensure you select the correct AM/PM designation for accurate time representation. Proper time synchronization is vital for the 5-2 day programmable schedule to execute as intended, maximizing energy savings and comfort.
Refer to the full user manual for specific button sequences and detailed instructions tailored to your thermostat model, guaranteeing precise date and time configuration.
Step 14: Programming the 5-2 Day Schedule
Customized Comfort: The RTH6360D1002 excels with its 5-2 day programmable schedule, allowing distinct temperature settings for weekdays and weekends. Access the programming mode through the thermostat’s menu. You’ll define multiple periods per day (e.g., Wake, Leave, Return, Sleep) and assign desired temperatures to each.
Utilize the arrow keys to adjust the time and temperature for each period. The “5-2” configuration means settings repeat Monday-Friday and then again Saturday-Sunday. This flexibility optimizes energy use based on your lifestyle.
Consult the complete manual for detailed step-by-step guidance, ensuring you fully leverage this feature for personalized climate control and potential cost savings.
Step 15: Using the Hold/Run Feature
Temporary Override: The Hold/Run feature provides convenient control over your programmed schedule. “Run” mode resumes the pre-set 5-2 day schedule, allowing the thermostat to automatically manage temperatures. Selecting “Hold” temporarily overrides the schedule, maintaining a constant temperature until you manually cancel it.
This is ideal for unexpected schedule changes or when immediate temperature adjustments are needed. The duration of the “Hold” isn’t pre-defined, offering sustained control. To return to the programmed schedule, simply select “Run” again.
Refer to the full user manual for specific button sequences and a clear understanding of how Hold/Run interacts with other thermostat functions.

Troubleshooting & Maintenance
Resolve Issues: Address blank displays, reset the thermostat, adjust screen brightness, and tackle common wiring problems using the comprehensive user manual and online resources.
Step 16: Addressing a Blank Display
Troubleshooting a Blank Screen: A completely blank display on your Honeywell RTH6360D1002 often indicates a power issue. First, verify the thermostat has sufficient battery power; replace the batteries with fresh ones as a primary step.
Next, confirm the circuit breaker controlling the HVAC system is not tripped. If the breaker is fine and new batteries are installed, carefully re-examine the wiring connections at both the thermostat base plate and the furnace/HVAC unit.
Loose or incorrectly connected wires are frequent culprits. Refer to the installation manual and wiring diagrams to ensure each wire is securely fastened to the correct terminal. If problems persist, a thermostat reset (see Step 17) might resolve the issue. Online resources like thermostat.guide offer further assistance.
Step 17: Resetting the Thermostat
Performing a Reset: Resetting your Honeywell RTH6360D1002 can resolve minor software glitches or configuration errors. While a dedicated reset button isn’t readily apparent, a power cycle typically achieves a similar result. Begin by removing the thermostat display unit from the base plate.
Next, turn off the power to your HVAC system at the circuit breaker for approximately one minute. This ensures a complete power drain. Reconnect the display unit to the base plate and restore power at the breaker.
The thermostat should now power up and return to its default settings, requiring you to re-enter your programmed schedule and preferences. Consult online manuals from sources like ManualsLib for detailed guidance if issues persist after the reset.

Step 18: Adjusting Screen Brightness
Controlling Display Visibility: The Honeywell RTH6360D1002 allows you to customize the screen brightness for optimal viewing in various lighting conditions. Accessing this feature typically involves navigating through the thermostat’s menu system. While the exact steps may vary, generally, you’ll need to enter the settings menu, often accessible via the “Menu” or “Settings” button on the thermostat.
Within the settings, locate the “Display” or “Brightness” option. From there, you can usually select from several brightness levels – low, medium, and high – or adjust using a slider.
Refer to resources like thermostat.guide for specific instructions tailored to your model. Adjusting the brightness can conserve battery life if applicable and enhance readability.
Step 19: Battery Replacement
Maintaining Power: While the RTH6360D1002 can often operate with a common (C) wire for continuous power, battery backup is crucial during power outages. The thermostat utilizes standard alkaline batteries, typically two AA batteries. A low battery indicator will appear on the display, signaling the need for replacement.
To replace the batteries, carefully remove the thermostat’s display unit from the wall plate. Locate the battery compartment, usually on the back of the unit, and open it. Replace the old batteries with fresh ones, ensuring correct polarity (+ and -).
Reattach the display unit to the wall plate. Proper battery maintenance ensures uninterrupted operation and accurate temperature control.
Step 20: Common Wiring Issues & Solutions
Troubleshooting Connections: Incorrect wiring is a frequent cause of thermostat malfunctions. A common issue is a missing or improperly connected ‘C’ wire, essential for consistent power. Verify all wires are securely fastened to the correct terminals on the UWP base plate, depressing the tabs for a firm connection.
If the display is blank, double-check the power supply and wiring. Ensure compatibility with your HVAC system; heat pump or conventional setups require specific configurations. Incorrect system type settings can also cause issues.
Consult online resources like ManualsLib and thermostat.guide for detailed wiring diagrams and troubleshooting steps. If problems persist, consider professional HVAC assistance.
Step 21: Deactivating Heating Control
Disabling Heat Functionality: In specific scenarios, you might need to deactivate the heating control on your Honeywell RTH6360D1002. This is typically achieved through the Installer Setup (ISU) mode, accessible by holding specific buttons during power-up – consult your manual for the exact sequence.
Within the ISU menu, locate the system configuration options. There may be a setting to disable or bypass the heating stage, effectively preventing the thermostat from calling for heat. This is useful during extended absences or when alternative heating sources are in use.
Remember to document any changes made in the ISU mode. Refer to online guides like thermostat.guide for detailed instructions and ensure you understand the implications before deactivating heating control.
Step 22: Warranty Information & Support
Protecting Your Investment: Your Honeywell Home RTH6360D1002 thermostat is backed by a manufacturer’s warranty, safeguarding against defects in materials and workmanship. The specific duration and coverage details are outlined in the documentation included with your purchase.
Retain your proof of purchase, as it’s essential for any warranty claims. For support, Honeywell Home offers a comprehensive online resource center with FAQs, troubleshooting guides, and downloadable manuals – explore thermostat.guide for assistance.
If you encounter issues not addressed online, contact Honeywell Home’s customer support team directly. Their contact information is available on the Honeywell Home website.