Honeywell RTH2310 User manual

Quick Installation Guide

RTH2310

Programmable Thermostat

69-2214ES-04

Quick Installation Guide

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.

1) Identify your system type.

2) Remove your old thermostat.

3) Identify the wires.

4) Mount the new wallplate.

5) Connect the wires.

6) If the wire labels don’t match.

7) Specify the furnace type.

8) Install the batteries.

9) Install the thermostat.

10) Set the system.

Do you need assistance?

We are here to help.

Call 1-800-468-1502.

RTH2310 Programmable Thermostat

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.

1Identify System Type

This thermostat is not compatible with

heat pumps or multi-stage systems.

Quick Installation Guide

1) Turn power off at the heating/cooling system.

2) Remove old thermostat, but leave wallplate with

wires 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.

2Remove Old Thermostat

Do not remove wallplate yet.

RTH2310 Programmable Thermostat

If any wires are not attached to your old thermostat or are

attached to a terminal marked Cor 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.

3Identify Wires

Do not use

non-connected wires.

Do not use Cor C1 wires

Identify and label each wire.

IGNORE WIRE COLORS:

Use terminal screw

designations to identify

wires.

Quick Installation Guide

1) Remove coverplate.

2) Loosen screw (the

screw remains

captive on wallplate).

3) Remove thermostat.

4) Mark and drill

appropriate mounting

holes (or use existing

holes). Insert plastic

anchors. Pass wires

through opening of

wallplate and secure

wallplate to the wall

using provided

screws.

4Mount New Wallplate

RTH2310 Programmable Thermostat

1) Match each labeled wire with the terminal having

the same letter.

2) Loosen the terminal screws using a screwdriver,

insert the wires, then tighten the screws.

3) Push any excess wire back into the wall opening.

5Connect Wires (typical wiring)

Remove jumper

if you have both

R and Rc wires.

Labels don’t match?

If a wire does not match any terminal on the thermostat,

see next page.

Quick Installation Guide

If a labeled wire does not match any terminal

designation, see diagram below.

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).

Connect Wires (less common wiring)

RTH2310 Programmable Thermostat

Set the Jumper J2, on the back of the thermostat, if

you have connected a wire to the G terminal.

7Specify Furnace Type

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.

J2 jumper

Quick Installation Guide

1) Pull out the battery cover.

2) Install the batteries as shown. Observe the

polarity.

3) 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).

8Install Batteries

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