Orbit Clear Comfort Pro 83521 Manuale utente

Clear Comfort™Pro
7-day Programmable
Thermostat
User Guide
Model 83521

i
Thank you for purchasing the Clear Comfort™ Pro thermostat from OrbitTM.
We are excited to provide you a long-lasting thermostat that blends style with function.
Features
• Easily program 7 individual days or copy one programmed day to another
• Pre-programmed and ready to go with Energy Star®seings
• Large backlit display is easy to read
• Early start ensures the desired temperature is reached at the scheduled time
• Precision control keeps the temperature within 1°F of set level
• Override the schedule temporarily or permanently

1
TABLEOFCONTENTS
Quick Reference
Easy 1-2-3 Operation ..................................................................... 2
Thermostat Controls .................................................................... 3
Display Screen.................................................................................4
Before You Begin............................................................................ 5
Installation
Installing Your Thermostat.......................................................... 7
Temperature Format....................................................................15
Reset Buon....................................................................................15
Advanced System Setup ............................................................16
Operation
Set Time and Day ........................................................................ 20
Select Mode and Fan Seings.................................................21
Programmed Schedules.............................................................22
Energy Star®Programmed Schedule ....................................23
Modifying the Programmed Schedule .................................24
Using the Copy Feature.............................................................25
Overriding Schedules Temporarily........................................26
Overriding Schedules Permanently......................................27
Turning Off Schedules ...............................................................28
Compressor Protection.............................................................29
Early Start....................................................................................... 30
Appendices
Replacing the Baeries...............................................................31
Troubleshooting ............................................................................32
Customer Assistance..................................................................38
Warranty ..........................................................................................39

2
1. Set the time and day ........................................................................................................................See page 20
2. Select whether to heat or cool .................................................................................................... See page 21
3. Select fan seing ............................................................................................................................... See page 21
Your thermostat is now ready to use, simply press RUN. If you do not wish to use
the preprogrammed Energy Star®thermostat seings you can:
Modify the programmed schedule...................................................................................................See page 24
Temporarily override the programmed schedule....................................................................... See page 26
Permanently override the programmed schedule ..................................................................... See page 27
EASYOPERATION

3
MODE Switch:
Select between
Heat/Off/Cool
p/qBuons: Press to
adjust temperature or use to
navigate during set up
HOLD Press to override
programmed schedule
RUNPress to resume
programmed schedule
FAN Switch:
Select between
Auto Fan/Fan On
SETPress to set
schedule, time, and day
Backlit Screen:
Press any buon to activate
THERMOSTATCONTROLS

4
Heating system is on
Fan seing
Fan is activated
Room temperature
Reminder to
change baeries
Desired
temperature
seing
Schedule period
Current day of the
week
Current time
Indicate which
mode the
system is in
Cooling system is on
DISPLAYSCREEN

5
This thermostat is compatible with
the following systems:
• Gas, oil or electric furnace
• Central air conditioner
• 2 wire hot water system with or without pump
• Millivolt system
• Central heating and cooling system
• Heat pump without auxiliary/backup heat
Tools Required For Installation
• Phillips screwdriver
• Wire cuers/strippers
• Drill with 3/16" (4.8 mm) drill bit
• Level
BEFOREYOUBEGIN
This thermostat is not compatible with
base board heaters (or other line voltage
heating), multi-stage heating or cooling
systems, or 3-wire hydronic systems.

6
When replacing an existing thermostat,
position your new Clear Comfort™ Pro
thermostat in the same location as your
old one, unless the conditions that follow
suggest otherwise. For a new installation,
follow these guidelines for placement:
• Place the thermostat in a room or hallway that
is used oen; position on an inside wall about 5'
(1.52 m) from the floor.
• Avoid installing the thermostat in overly warm
areas (e.g., near a television, lamp, radiator, or
fireplace), in direct sunlight, or
on a wall that has hot water pipes or that is
opposite a stove.
TIPSFORINSTALLATION
• Avoid installing the thermostat in
overly chilled areas, such as in a dray area (e.g.,
stairwell, door, or window),
on a wall separating an unheated room,
or where air circulation is poor
(e.g., in a corner or behind a door).
• Avoid installing the thermostat in damp areas, as
this can lead to corrosion.
• Do not install the thermostat until construction
work is complete, the area is dust free, and
painting is completed.
• If the thermostat housing is cold, wait for it to
reach room temperature before installing.

7
Take a picture or make note of
the current wiring for reference.
Mercury Notice: If your old thermostat
contains mercury contact your local
waste management authority for
information on how to safely dispose of it.
Switch Off Power
Turn off the power to the heating
and cooling equipment.
Remove Cover
Remove the front cover from the
old thermostat.
INSTALLINGYOURTHERMOSTAT
Y W
G0/B Y W RC R
GR

8
INSTALLINGYOURTHERMOSTAT
Label Wires
Use the supplied wire labels to identify the
wire by its terminal leer and not the color.
Once the wires are labeled, disconnect the
wires and remove the base.
While labeling and removing the
individual wires DO NOT let the wire
fall back inside the wall.
B B
G G
R R
V/VR V/VR
X X
Y2 Y2
H H
RC RC
W W
X1 X1
C C
L L
RH RH
W1
X2 X2
W1
E E
O O
T T
W2
Y Y
W2
F F
P P
U U
W3
Y1 Y1
W3
AUX
AUX
Y W
G0/B Y W RC R
GR
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