Honeywell 69-1490 User Manual
Room
Set
FAN SYSTEM
Auto On
Em Ht Aux Ht
Set
Cool Off Heat
Room
M18535
Electronic
Thermostat
OWNER’S GUIDE
FAN SYSTEM
Auto On
Cool Off Heat Em.Ht.
M18539
1
69-1490
69-1490
Congratulations on the purchase of your new thermostat!
Over 100 years of Honeywell engineering expertise went
into the making of this thermostat in an effort to provide
you with a more comfortable and convenient living
environment.
• Simple and easy to use
easy for you to change your temperature setting.
• Large digital display.
room temperature at a glance.
• No need for batteries.
because your temperature settings are held permanently in memory.
69-1490
. The ▲ and ▼ keys make it
You can easily read the current
Batteries are not required
2
Settings
Setting FAN and SYSTEM Switches
Fan and system settings are controlled by using FAN and
SYSTEM switches located on the bottom of the thermostat
case.
First set the FAN switch:
Auto: Normal setting for most homes. In cooling, the
On: The fan runs continuously. Use for improved air
fan goes off and on with the cooling equipment.
In heating, the fan may start a few minutes after
the heating equipment comes on.
circulation and air quality.
FAN
Auto On
FAN
SWITCH
M10273
3
69-1490
Then set the SYSTEM switch:
Cool: Normal setting for months when your home
needs cooling (air conditioning). Digital display
shows a snowflake when cooling is on.
Off: Both heating and cooling are off.
Heat: Normal setting for months when your home
needs heating. Digital display shows a flame
when heating is on.
Em. Ht.: (Not available on all models.) Switch to this
setting when your home needs heat, but your
equipment has failed or is not working properly.
SYSTEM
Cool Off Heat Em.Ht.
69-1490
SYSTEM
SWITCH
M10274
4
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