Product manuals
Search online for 69-2740EFS for the User Guide.
Go to https://www.honeywellhome.com/en/products/
thermostat/prestige-hd7-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: 18004681502.
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.
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.
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