Honeywell 1-Heat/1-Cool - TH5110D1022 Large R User manual

OPERATING INSTRUCTIONS
Patents Pending
® U.S. Registered Trademark
© 2004 Honeywell International Inc.
All Rights Reserved
69-1713
Operating Instructions
TH5110D
Non-programmable Thermostat
The TH5110D Thermostat provides electronic control of 24 Vac single-
stage heating and cooling systems or 750 mV heating systems.
For assistance with your Honeywell product please visit
www.honeywell.com/yourhome or call Honeywell Customer Care
toll free at 1-800-468-1502.
Read and Save these Instructions
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2 69-1713
Contents
Features........................................................................3
Get to Know Your Thermostat ......................................4
Thermostat...............................................................4
Display .....................................................................5
Operate Your Thermostat .............................................6
Set System Setting ..................................................6
Set Fan Setting ........................................................7
Change Temperature Setting...................................8
Replace Batteries .........................................................9
Review Battery Tips......................................................13
Built-in Compressor Protection .....................................14
Auto Changeover..........................................................15
Replacement Part.........................................................19
Troubleshooting Tips ....................................................20
Customer Assistance....................................................23
Limited Five-Year Warranty ..........................................24
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69-1713 3
Features
• Large, Clear, Backlit Display: Easy-to-see and
read—even in the dark.
• Precise Comfort Control: ±1ºF of your set
temperature.
• Simplified Operation: Soft-key controls.
Simultaneously displays both room temperature
and temperature setting.
• Easy Change Battery Holder.
• Built-in Compressor Protection: Minimum-off
timer protects compressor from restarting too
early after a shutdown.
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4 69-1713
Get to Know Your Thermostat
Thermostat
CoolOn
Setting
Cool
Inside
Fan
Auto Cool
System
DIGITAL DISPLAY
FAN BUTTON
SYSTEM BUTTON
TEMPERATURE
SETTING BUTTON
TEMPERATURE
SETTING BUTTON
BATTERY
HOLDER
BATTERY HOLDER LATCH
M22084
PRESS TO RELEASE
BATTERY HOLDER
RAISES
TEMPERATURE
SETTING
TWO AAA
ALKALINE
BATTERIES
LOWERS
TEMPERATURE
SETTING
SELECTS HEAT, OFF, COOL OR AUTO
SELECTS AUTO OR ON
PRESS
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69-1713 5
Get to Know Your Thermostat (Cont)
Display
Replace Battery
H
eat
C
oo
l
On
On
In
s
i
de
S
ettin
g
CoolH
ea
t
H
eat
Cool
AutoOff
Sy
ste
m
F
an
O
n Aut
o
INSIDE
TE
M
PERAT
U
R
E
TEMPERATURE
SETTING
INDICATES
THERMOSTAT IS
"CALLING" FOR
HEAT OR COOL
CURRENT
SYSTEM SETTING
M22083
CURRENT
FAN SETTING
INDICATES BATTERIES ARE
LO
W AND M
US
T BE REPLA
C
E
D
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6 69-1713
Operate Your Thermostat
Set System Setting
Press the System button to select Heat, Off, Cool or Auto:
Heat—Thermostat controls the heating system.
Off—Both the heating and cooling systems are off.
Cool—Thermostat controls the cooling system.
Auto—Thermostat automatically changes between
heating and cooling operation, depending on indoor
temperature. See Auto Changeover section.
CAUTION
Equipment Damage Hazard.
Air conditioning compressor damage possible.
Do not operate cooling system when outdoor temperature is
below 50
°
F (10
°
C).
M22107
PRESS THE
SYSTEM BUTTON
TO SELECT HEAT,
OFF, COOL OR AUTO.
Replace Batt
Se
rvi
ce
N
eeded
F
an
A
u
t
o
C
oo
l
System
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69-1713 7
Operate Your Thermostat (Cont)
Set Fan Setting
Press the Fan button to select Auto or On:
Auto—Normal setting for most homes. The fan runs
only when the heating or cooling system is on.
On—The fan runs continuously. Use this setting for
improved air circulation or for more efficient air
cleaning.
M22108
PRESS THE
FAN BUTTON
TO SELECT
AUTO OR ON.
Replace Batt
C
oo
l
On
Se
rvi
ce
N
eeded
S
ettin
g
Cool
In
s
i
de
F
an
A
u
t
o
Cool
System
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8 69-1713
Operate Your Thermostat (Cont)
Change Temperature Setting
Press the Up or Down button to select the desired
temperature setting.
The first press of the Up or Down button turns on
the backlight. The second press of the Up or Down
button changes the temperature setting.
PRESS THIS BUTTON TO
RAISE THE TEMPERATURE
SETTING
TEMPERATURE SETTING
M22109
TEMPERATURE SETTING RANGE:
HEAT: 40°TO 90°F (4.5°T0 32°C)
COOL: 50°TO 99°F (10°T0 37°C)
PRESS THIS BUTTON TO
LOWER THE
TEMPERATURE
SETTING
Replace Batt
Cool
On
Se
rvi
ce
N
eeded
In
s
i
de
F
an
A
u
t
o
C
oo
l
System
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69-1713 9
Replace Batteries
AA alkaline batteries.
1. When the Replace Battery indicator is flashing,
replace batteries promptly with two fresh
AAA alkaline batteries.
The thermostat does not lose any settings when the
batteries are replaced; all settings are permanently
stored in memory.
Replace Battery
Service Needed
In
s
i
de
Settin
g
Cool
C
oo
l
Sy
stemF
an
A
u
t
o
REPLACE BATTERY INDICATOR
M22110
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10 69-1713
Replace Batteries (Cont)
2. Press the battery holder latch to release the battery
holder.
3. Remove the battery holder from the thermostat.
Replace Batter
y
Service Needed
In
s
i
de
C
oo
l
S
y
ste
m
F
an
A
u
t
o
BATTERY HOLDER
LATCH
BATTERY HOLDER
M22111
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