Product manuals
Search online for
69-2740EFS
for the User Guide.
Go to https://www.honeywellhome.com/en/products/
thermostat/prestige-hd-7-day-programmable-thermostat for
more information.
Videos
Search online for
Prestige IAQ Videos
.
Need help?
For assistance please visit honeywellhome.com,
or call toll-free: 1-800-468-1502.
Setting the time/date
1. Touch the current time. The screen displays
Set Time/Set
Date
.
2. Touch
Set Time
or
Set Date
.
3. Touch
s
or
t
until the proper time/date is displayed.
4. Touch
Done
to save or
Cancel
to ignore changes.
Setting system mode
1. Touch
SYSTEM
to display system settings.
2. Touch desired option: Heat, Cool, Off, Auto, Em Heat.
3. Touch
Done
to save and exit.
NOTE:
The
Auto
and
Em Heat
system settings may not
appear, depending on how your thermostat was installed.
NOTE:
The thermostat will automatically switch to and from
Daylight Saving Time.
Adjusting program schedules
1. Touch
MENU
.
2. Select
Create/Edit Schedule
.
3. Touch
Guide Me
to create a schedule by answering simple
questions.
Adjusting humidification, dehumidification,
or ventilation settings
1. Touch
MENU
and select Humidification, Dehumidification, or
Ventilation.
2. Touch
Select
to adjust the settings.
This thermostat contains a Lithium battery which may
contain Perchlorate material.
Perchlorate Material—
special handling may apply.
See www.dtsc.ca.gov/hazardouswaste/perchlorate
Quick reference: residential use
HOME.
Touch to display Home screen.
FAN.
Select fan mode.
SYSTEM.
Select system mode (Heat/Cool).
MENU.
Touch to display options. Start here
to set a program schedule.
Current schedule.
Touch an arrow to
change temperature setting and select a
Temporary or Permanent Hold.
Indoor conditions.
Shows indoor
temperature and humidity.
Current date and time.
Current status.
Shows system mode (heat/
cool), outdoor temperature and humidity
(with optional outdoor sensor).
Quick reference: commercial use
HOME.
Touch to display Home screen.
FAN.
Select fan mode.
SYSTEM.
Select system mode (Heat/Cool).
MENU.
Touch to display options. Start here
to set a program schedule.
Thermostat location.
Quickly identify
which thermostat is in control of a specific
area.
Current schedule.
Touch an arrow to
change temperature setting and set a
temporary hold.
Override.
Touch to temporarily override the
program schedule.
Indoor conditions.
Shows indoor
temperature and humidity.
Current date and time.
Current status.
Shows system mode (heat/
cool), outdoor temperature and humidity
(with optional outdoor sensor).
USB port.
Use USB device to load holiday
schedules and custom events.
33-00307EFS-03
Prestige® Touch Screen Thermostat
YTHX9421R, THX9421R
Product Information
Read and save these instructions
HOME
FAN
SYSTEM
MENU
SET TO
72
°
INDOOR
72
°
45%
Humidity
following schedule
OUTDOOR
80°/55%
Humidity
STATUS
cool mode
Fri, Apr 26, 2019
6:30 pm
Electrical ratings
20-30 Volts AC at R and C. 3 VA max. 50-60Hz.
The operation of this equipment is subject to the following two
conditions: (1) this equipment or device may not cause harmful
interference, and (2) this equipment or device must accept any
interference, including interference that may cause undesired
operation.