Honeywell RTH5160D1003 T2 Thermostat Instruction Manual
Honeywell RTH5160D1003 T2 Thermostat
Honeywell RTH5160D1003 T2 Thermostat Instructions
Here we offer the Honeywell RTH5160D1003 T2 Thermostat manual completely free and in English. We have cataloged this manual in the Thermostats section on Manualverse, and it has been rated by 1 users with an average rating of 5. If you have any specific questions about Honeywell RTH5160D1003 T2 Thermostat, we suggest checking the Frequently Asked Questions (FAQs) section of this manual.
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Honeywell RTH5160D1003 T2 Thermostat Specifications
| Feature | Specification |
|---|---|
| Model | Honeywell RTH5160D1003 T2 (RTH5160 Series) |
| Thermostat Type | Non-Programmable |
| Power Source | 2 AA alkaline batteries (always required) |
| System Compatibility (Heating) | Conventional Forced Air (Gas, Oil, Electric), Heat Pump (Air-to-Air), Radiant Heat (Hot Water, Steam), Cool Only |
| System Compatibility (Cooling) | Conventional Forced Air, Heat Pump |
| Supported Cool/Compressor Stages | Up to 2 cool stages or 1 compressor stage |
| Supported Heat/Auxiliary Stages | Up to 2 heat stages (conventional) / Up to 1 Aux/E stage (heat pump) |
| Temperature Scale | Fahrenheit or Celsius (user-selectable) |
| System Changeover | Manual or Auto (user-selectable) |
| Fan Modes | Auto, On |
| Supported Wiring Terminals | C, Y, G, W, E, K, O/B, R, Rc, Rh |
| UNSUPPORTED Wiring Terminals | L/A, S, U |
| O/B Reversing Valve | Selectable (O on Cool / B on Heat) |
| Warranty | 1-year limited (excluding battery) |
Honeywell RTH5160D1003 T2 Details
The Honeywell RTH5160D1003 T2 thermostat is designed for easy installation, featuring the UWP™ mounting system to simplify the wiring process. Essential components such as screws and anchors are included in the box, along with the thermostat itself and a quick installation guide. For a seamless setup, users will only need basic tools like a Phillips screwdriver, a small flathead screwdriver, a pencil, and a level.
This non-programmable thermostat stands out for its ease of use, featuring a clear digital display and intuitive controls. Users can navigate system settings and custom options using the Menu button, using Edit (-) to adjust values and Next (+) to save changes. Operating the heating or cooling system is simplified with the Mode button, which allows for quick toggling between Auto, Heat, Cool, Em Heat (for heat pumps), and Off, while the Fan button controls fan operation (Auto or On).
A key aspect of the RTH5160D1003 T2's operation is its dependence on two AA alkaline batteries, which are always required for operation, even though a C-wire may assist with some functions. The thermostat features a proactive low battery alert (code 405), which appears approximately two months prior to depletion, and a critical low battery warning (code 407). Honeywell recommends replacing the batteries annually or before extended absences to ensure uninterrupted service.
Despite being non-programmable, the RTH5160D1003 T2 offers significant flexibility in system configuration through its System Setup options. Users can choose between Fahrenheit or Celsius temperature scales and configure the thermostat for various types of heating systems, including conventional forced air, heat pumps, or radiant heat. It also allows selection of heating and cooling equipment types and stage counts (up to 2 cool/compressor and up to 2 heat/1 auxiliary/E), making it adaptable to diverse HVAC systems.
The thermostat features a 5-minute compressor protection function that delays system restart to prevent damage, indicated by the flashing of "Heat On / Cool On". It also supports manual or automatic system changeover, providing user control over comfort. The manual includes important safety warnings, such as electrical hazards, proper disposal of old mercury controls, and guidelines for disposing of the electronic device as household hazardous waste (HHW), emphasizing Honeywell's commitment to user safety and environmental responsibility.
Frequently Asked Questions (FAQs)
Can't find the answer you need? Here are some frequently asked questions about the Honeywell RTH5160D1003 T2 Thermostat, and we answer them below.










