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OPERATING INSTRUCTIONS

69-1713-01

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 product please visit 

www.honeywellhome.com

 or call  Customer Care toll free 

at 1-800-468-1502.

Read and Save these Instructions

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.

GET TO KNOW YOUR 
THERMOSTAT

Thermostat

Display

Inside

M37933A

Cool

Cool

Setting

Auto

Fan

System

DIGITAL DISPLAY

FAN BUTTON

SYSTEM BUTTON

TEMPERATURE
SETTING BUTTON

TEMPERATURE
SETTING BUTTON

BATTERY
HOLDER

BATTERY HOLDER LATCH

M22084A

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

P

R

E

S

S

Replace Battery

Heat

Cool

On

On

Inside

Setting

Cool

Heat

Heat Cool

 AutoOff

System

Fan

On Auto

INSIDE
TEMPERATURE

TEMPERATURE
SETTING

INDICATES
THERMOSTAT IS 
"CALLING" FOR 
HEAT OR COOL

CURRENT 
SYSTEM SETTING

M22083

CURRENT 
FAN SETTING

INDICATES BATTERIES ARE 
LOW AND MUST BE REPLACED

Summary of Contents for TH5110D

Page 1: ...ge Battery Holder Built in Compressor Protection Minimum off timer protects compressor from restarting too early after a shutdown GET TO KNOW YOUR THERMOSTAT Thermostat Display Inside M37933A Cool Coo...

Page 2: ...omes 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 Change Temperature Setting...

Page 3: ...cooling system from shutting down due to a lack of battery power NOTE Replacing the batteries once a year also helps prevent battery leakage that can damage the thermostat 4 As a precaution replace th...

Page 4: ...the System setting to Auto NOTE The Auto setting appears only if the thermostat is set up for Auto Changeover by your heating and air conditioning dealer 2 Press the Up or Down button to raise or low...

Page 5: ...ing the System button Check the cool temperature setting to be sure it is set below room temperature and Cool On shows solidly in the display Check the circuit breaker to be sure it is not tripped Che...

Page 6: ...with your product please visit www honeywellhome com or call Customer Care toll free at 1 800 468 1502 Before calling please have the thermostat model number and date code available M22047A xxxxxxxx...

Page 7: ...sed by damage which occurred while the product was in the possession of a consumer Resideo s sole responsibility shall be to repair or replace the product within the terms stated above RESIDEO SHALL N...

Page 8: ...is used under license from Honeywell International Inc This product is manufactured by Resideo Technologies Inc and its affiliates www resideo com Resideo Technologies Inc 1985 Douglas Drive North Go...

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