Product
Application
This
thermostat
provides
electronic
control
of 24 VAC single-stage
heating
and
cool-
ing
systems, or 750 mV heating systems.
System
Types
•
(-?as,oil, or electric
heat with
air
conditioning
•
Warm air, hot water, high-efficiency
fl_rnaces,
heat
pumps,
steam,
gravi-
ty
•
Heat only -- two-wire systems,
power to open and close zone
valves (Series 20), and normally-
open zone valves
•
Heat only with fan
•
Coo!
only
•
750 mV heating
systems
Power
Options
•
Battery
power
only
•
Common wire only
•
Common wire with batte W backup
Changeover
Options
•
Selectahle
manual
or
auto-changeover
modes
System
Settings
•
Heat,
Oft, Cool,
Auto
CAUTION:
ELECTRICAL
HAZARD
Can cause electrical
shock or equipment
damage.
Disconnect
power before
beginning
installation.
MERCURY
NOTICE
If this product
is replacing
a control that contains
mercury in a sealed tube, do not
place the old control
in the trash. Contact your local waste management
authority
for
instructions
regarding
recycling
and proper disposal.
® U.S. Registered
Trademark.
Patents
pending.
Copyright
® 2005 Honeywell
International
Inc. All rights reserved.