Owner's
Manual
PROGRAMMABLE
DIGITAL
THERMOSTAT
53DFST2-NP
[]I
E_
Liquid Crystal
Display with Thermoglow
TM
Backlight
F_
Up/Down Buttons
F_
Mode Button
IT]
Override
Button
E_
Heat or Cool Indicator
Heat = Red, Cool = Green
• Dual Set Point
• 5+1+1 Day Programmable
• 3 Occupied Periods and 1 Unoccupied Period
• Very Easy to Program
• Large, Easy to Read Display
• Thermoglow
TM
Backlight
• No Batteries Required
• Auto Changeover
• Energy Saving Smart Fan
• Locking Keypad
• Override Button
• 3 Fan Speeds
• Meets California Title 24
• Use with Carrier Duct-free HEAT-COOL or COOL-
ING ONLY systems
DISPLAY
QUICK START Set the clock and go
BASIC OPERATION
PROGRAMMING
Occupied
and
Unoccupied
Periods
ADVANCED
SETUP
ABOUT
ADVANCED
FEATURES
AND OPERATION
WARRANTY
1
2
2
3
4
4
6
IMPORTANT: Follow Installation
Instructions
before
proceed
ng.
CAUTION: SETTHERMOSTAT TO MODE "OFF"
PRIOR TO CHANGING
SETTINGSIN SETUPOR
RESTORING FACTORY DEFAULTS.
n
nil
I[]
r_
Mode Indicators
Selects the operation mode of the equipment.
HEAT --
indicates the heat mode.
COOL --
indicates the air conditioning mode.
AUTO I
indicates the system will automati-
cally changeover between the heat
and cool modes as the temperature
varies.
OFF
I
indicates the entire system isturned
off.
PROGRAM ON I
indicates the stored program
is enabled to run. See page 2.
[]
[]
[]
[]
[]
Clock with Day of the Week
Indicates the current time and day. This clock is also
used to program the timer periods. See page 2.
Room Temperature Display
Indicates the current room temperature.
Desired Set Temperature
Indicates desired room temperature(s). See page 2.
Override Indication
Indicates the current program is currently being
overridden for up to 4 hours. See pages 2
and 4.
Occupied or Unoccupied Indication
Indicates the program number: Occupied 1,2, 3,
or Unoccupied. See page 3.
Manufacturer
reserves the right to discontinue, or change at any time, specifications
or designs without notice and without incurring obligations.
Catalog No, 535-330
Printed in U.S,A.
Form OM53-5
Pg 1
11-04
Replaces:
New