Honeywell T8511, T8501 User Manual

Electronic Heat-Pump Thermostat

T8501, T8511, T8524

OWNER’S GUIDE

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FEATURES

Comfort is achieved through matching the correct equipment and controls. This thermostat is
designed to provide the maximum comfort for your needs. Some of the basic offerings are:

Simple and easy to use

•
setting.

Large digital display

•

•

No need for batteries

permanently in memory.

Backlit display.

•
hallway.

Turns on with the touch of any key. Helps you read the display in a dark

. The ▲ and ▼ keys make it easy for you to change your temperature

. You can easily read the current room temperature at a glance.

. Batteries are not required because your temperature settings are held

2

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SETTINGS

Setting SYSTEM and FAN Keys

Change System and Fan settings with System
and Fan keys inside thermostat door.

First set the SYSTEM key:

Cool: Normal setting for months when your

Off: Both heating and cooling are off.
Heat: Normal setting for months when your

Auto: Setting for between seasons when

(Select
Models)

home needs air conditioning. Digital
display shows snowflake when
cooling is on.

home needs heating. Digital display
shows flame when heating is on.

thermostat selects cooling or heating.

NOTE: Em.Ht. is available only on T8511 Heat

Pump models.

Em. Ht.: Setting when your home needs heat,

but your equipment needs servicing
or is not working correctly. The
thermostat controls only the backup
heat. The heat pump is off.

i

System

Fan

M20567A

-Emergency heating

automatically selects
heating and cooling
equipment.

Fan

Press to select
heating or cooling
equipment.

On— Fan runs continuously
Auto—Fan runs when

heating or cooling
equipment operates

System

System

Press to select
heating or cooling
equipment.

Em. Ht.
Heat—Heating equipment
Off — No equipment
Cool—Cooling equipment
Auto—Thermostat

LED INDICATOR ON SELECT T8511 MODELS.

Fan

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