A p p l i c a t i o n
The T8635L Microelectronic Communicating Programmable Thermostat
is a key comfort component for the Home & Away System. It supports
conventional gas, oil, or electric applications (up to 2H/2C) when used
with the W8635A Equipment Interface Module. The T8635L supports
single stage- or multi-stage heat pump applications (up to 2H/1C) when
used with the W8635B Equipment Interface Module.
T 8 6 3 5 L D e s c r i p t i o n
Model
System
Changeover
System
Fan
Selection
Selection
T8635L and
Heat-Cool
Automatic or
Heat-Off-
On-Auto
W8635A1006
Manual
Cool-Auto
T8635L and
Heat Pump
Automatic or
Heat-Off-
On-Auto
W8635B1004
Manual
Cool-Auto
Emergency
Heat
Part Numbers
T8635L1013 Thermostat
C7089B1018 Outdoor Temperature Sensor
F e a t u r e s
Seven day programmable
Programmable fan
On demand/continuous
backlight display
Filter indication timer
One-touch Daylight Savings
Time key
Enviracom™ communication
protocol
Required Accessories
(not included)
W8635A Equipment Interface
Module for up to 2H/2C
conventional systems
W8635B Equipment Interface
Module for up to 2H/1C heat
pump systems
Optional Accessories
C7089B Outdoor temperature
sensor for outdoor temperature
display
W8703A Damper Interface
Module for up to three zones
of control
W7006A Home Controller
Gateway for internet and
telephone access to the
thermostat
W8735B Telephone Access
Module for remote telephone
access to the thermostat
Microelectronic
Communicating
Programmable Thermostat
www.honeywell.com/yourhome/
