Honeywell RTH2310 Programmable Thermostat Installation Guide
- June 5, 2024
- Honeywell
Table of Contents
Honeywell RTH2310 Programmable Thermostat
Installation is Easy
Your new thermostat has been designed for fast and easy installation. Just follow the simple step-by-step instructions in the following pages.
- Identify your system type.
- Remove your old thermostat.
- Identify the wires.
- Mount the new wallplate.
- Connect the wires.
- If the wire labels don’t match.
- Specify the furnace type.
- Install the batteries.
- Install the thermostat.
- Set the system.
Identify System Type
This thermostat is compatible with the following systems:
- Gas, oil or electric furnace
- Central air conditioner
- a hot water system with or without pump
- a millivolt system
- a central heating and cooling system
If you are not sure of your system type or if you have any other questions,
call us toll-free at 1-800-468-1502.
This thermostat is not compatible with heat pumps or multi-stage systems.
Remove Old Thermostat
- Turn power off at the heating/cooling system.
- Remove old thermostat, but leave wallplate withwires attached.
MERCURY NOTICE: Do not put your old thermostat in the trash if it contains mercury in a sealed tube. Contact your local waste management authority for instructions regarding recycling and proper disposal.
Identify Wires
If any wires are not attached to your old thermostat or are attached to a
terminal marked C or C1, they will not be connected to your new thermostat.
Wrap the bare metal end of each of these wires with electrical tape, so it
cannot touch and short other wires.
Disconnect wires and remove the old wallplate only after all wires are labeled. Wrap the wires around a pencil to prevent them from falling though the wall opening.
Mount New Wallplate
- Remove coverplate.
- Loosen screw (thescrew remains captive on wallplate).
- Remove thermostat.
- Mark and drill appropriate mounting holes (or use existing holesa). Insert plastic anchors. Pass wires through opening of wallplate and secure wallplate to the wall using provided screws.
Connect Wires (typical wiring)
- Match each labeled wire with the terminal having the same letter.
- Loosen the terminal screws using a screwdriver, insert the wires, then tighten the screws.
- Push any excess wire back into the wall opening.
Labels don’t match?
If a wire does not match any terminal on the thermostat, see next page.
Connect Wires (less common wiring)
If a labeled wire does not match any terminal designation, see diagram
below.
WARNING
- Do not use C, X or B. Wrap bare end of wire with electrical tape.
- If wires are connected to both Rh and Rc terminals, remove jumper (see previous page).
Specify Furnace Type
Set the Jumper J2, on the back of the thermostat, if you have connected a wire to the G terminal.
HG: Leave the jumper in this factory-set position if you have a gas or
oil furnace .
HE: Place the jumper to this position if you have an electric furnace.
Install Batteries
- Pull out the battery cover.
- Install the batteries as shown. Observe the polarity.
- Reinstall the battery cover. You will hear a clicking sound.
After the batteries are installed, the thermostat per-forms a series of tests
for approximately 5 seconds.
Afterwards, the screen displays the actual tempera-ture. It is normal that the
displayed temperature be higher than the ambient temperature if you are
holding the thermostat. The thermostat will display the ambient temperature
once it is installed on the wall. By default, the setpoint is 70 °F (21 °C).
Install thermostat
- Mount the thermostat on the wallplate.
- Tighten the screw and install the cover plate.
- Turn power back onat the heating/cooling system.
System Setup
- Press both increase and decrease buttons simultaneously for 3 seconds to enter or exit the setup menu.
- To advance to the next function, briefly press both increase and decrease buttons simultaneously.
- To change the setting, press the increase and decrease buttons
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>