Honeywell RTH111 User Manual 2
Quick Installation Guide
RTH111
Non-Programmable Thermostat
69-2384ES-01
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Non-programmable Thermostat RTH111
This thermostat is compatible with the following
systems:
• Gas, oil or electric furnace
• Central air conditioner
• Hot water system with or without pump
• Millivolt system
• Central heating and cooling system
• Heat pump without
Identify System Type
auxiliary/backup heat
This thermostat cannot be used on heat pumps with
auxiliary/backup heat or on multistage systems.
1.
1
Quick Installation Guide
Do not remove wallplate yet.
1) Turn power off at the heating/cooling system.
2) Remove old thermostat, but leave wallplate with
Remove Old Thermostat
wires attached.
2.
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.
2
Non-programmable Thermostat RTH111
Do not use
non-connected wires.
Do not use C or C1 wires
Identify and label each wire.
IGNORE WIRE COLORS:
Use terminal screw
designations to 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.
Identify Wires
3.
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.
3
Quick Installation Guide
Figure 1
Figure 2
Figure 3
1) Loosen the locking screw at the bottom of the
2) Separate the thermostat from the wallplate as per
3) Position the wallplate against the wall and mark
4) Drill holes at the marked positions and insert
5) Pass the wires through the large opening located
6) Secure the wallplate to the wall with supplied
7) Connect the wires to the terminals.
Mount New Wallplate
thermostat. Note that the screw is captive and
cannot be removed from the wallplate.
Figure 1.
hole positions with a pencil.
NOTE: Levelling is for esthetics only and will not
affect the performance of the thermostat.
supplied wall anchors.
at the bottom center of the wallplate as per
Figure 2.
mounting screws as per Figure 3.
4.
4
Non-programmable Thermostat RTH111
Typical Wiring
1) Match each labeled wire with the terminal having
2) Loosen the terminal screws using a screwdriver,
3) Push any excess wire back into the wall opening.
Connect Wires
the same letter.
insert the wires, then tighten the screws.
Labels don’t match?
If a wire does not match any terminal on the thermostat,
see next page.
5.
5
Quick Installation Guide
Alternate Wiring
If a labeled wire does not match any terminal
designation, see diagram below.
Connect Wires (cont’d)
Do not use C, C1 or X wire. Do not use B wire if you already
have O wire. Wrap bare end of wire with electrical tape.
This thermostat cannot be used if your old thermostat had
any two of the following wires: R, RC, RH, 4 and V.
Place a jumper (piece of wire) between Y and W if you have
a heat pump without auxiliary/back-up heat.
6
Non-programmable Thermostat RTH111
JP1
Set jumper JP1, on the back of the thermostat, if you
have connected a wire to the G terminal.
Incorrect jumper setting: An incorrect setting is
noticeable
starts, you will initially feel cold air coming out of the vents
as the fan is running before the furnace has enough time
to heat up the air.
Set Heating Fan Control
Leave the jumper in this factory-set
HG
position if you have a gas or oil furnace.
Place the jumper to this position if you
HE
have an electric furnace.
in a gas or oil heating system. When heating
6.
7
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