Honeywell RTH2510 Series User manual

Quick Installation Guide
RTH2510
7-day Programmable Thermostat
69-2380ES-01 (RTH2510 7-day QIG) ENG USA.fm Page -1 Tuesday, October 20, 2009 10:16 AM

Do you need assistance?
We are here to help.
Call 1-800-468-1502.
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Programmable Thermostat RTH2510
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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 auxiliary/backup heat
• Heat pump with auxiliary/backup heat
nIdentify System Type 1.
This thermostat cannot be used on
multistage systems.
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Quick Installation Guide
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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.
oRemove Old Thermostat 2.
Do not remove wallplate yet.
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Programmable Thermostat RTH2510
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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.
pIdentify Wires 3.
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.
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Quick Installation Guide
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1) Loosen the locking screw at the bottom of the
thermostat. Note that the screw is captive and
cannot be removed from the wallplate.
2) Separate the thermostat from the wallplate as per
Figure 1.
3) Position the wallplate against the wall and mark
hole positions with a pencil.
NOTE: Levelling is for esthetics only and will not
affect the performance of the thermostat.
4) Drill holes at the marked positions and insert
supplied wall anchors.
5) Pass the wires through the large opening located
at the bottom center of the wallplate as per
Figure 2.
6) Secure the wallplate to the wall with supplied
mounting screws as per Figure 3.
7) Connect the wires to the terminals.
qMount New Wallplate 4.
Figure 1
Figure 2 Figure 3
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Programmable Thermostat RTH2510
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Conventional Systems (Typical Wiring)
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.
rConnect Wires 5.
• Labels don’t match? See page 6.
• Have a heat pump with auxiliary/backup heat, see pages 7-8.
• Call 1-800-468-1502 for wiring assistance.
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Quick Installation Guide
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Conventional Systems (Alternate Wiring)
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/AUX if you
are using a heat pump without auxiliary/backup heat.
rConnect Wires (cont’d) 6.
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Programmable Thermostat RTH2510
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Heat Pump Systems with Auxiliary/Backup Heat
(Typical Wiring)
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.
rConnect Wires (cont’d) 7.
Labels don’t match? See page 8.
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Quick Installation Guide
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Heat Pump Systems with Auxiliary/Backup Heat
(Alternate Wiring)
If your old thermostat had E and Aux wires (or alternate
wires), connect both wires to AUX terminal.
Do not use L wire. Wrap bare end of wire with electrical tape.
Do not use C 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, V or VR.
rConnect Wires (cont’d) 8.
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