613692
11
Zoom out
Zoom in
Previous page
1/34
Next page
11
PROGRAMMING YOUR ST9420C
Exiting HOT WATER Programming Mode:
To exit HOT WATER programming mode, move the slider to the RUN position. This
can be done at any time during the programming process, and any changes made
and confirmed with the button will have been saved.
Note: If the unit is left in HOT WATER Programming mode for more than 10 minutes
without the slider being moved or any buttons pressed, the message ‘MOVE SLIDER’ will
be displayed. Press a button to continue programming, or move the slider to the RUN
position.
Modifying the Heating Programme
The heating programme has three pairs of ON/OFF switching times per day. Each
time can be set between 3.00 am and 2.50 am (on the next day) to allow you to
programme the heating to stay on past midnight, if required.
a. Move the slide switch to the HEATING position. ‘SET HEATING’ will show briefly
to verify this action.
b. Now follow the same procedure to set the times as described in ‘Modifying the
Hot Water Programme’ (page 9) steps b. to i.
Exiting HEATING Programming Mode:
To exit HEATING programming mode, move the slider to the RUN position. This can
be done at any time during the programming process, and any changes made and
confirmed with the
button will have been saved.
Note: If the unit is left in HEATING Programming mode for more than 10 minutes without
the slider being moved or any buttons pressed, the message ‘MOVE SLIDER’ will be
displayed. Press a button to finish programming, or move the slider to the RUN position.
Disabling or Enabling Time Periods (for Heating and/or Hot Water)
To disable any of the time periods ON 1 to OFF 1, ON 2 to OFF 2, or ON 3 to OFF 3,
simply set the ON time and its paired OFF time to the same time, and the programme
will just ignore them.
To re-enable the time period, simply set the two ON and OFF times to be different.
HOT WATER HEATING
DAY/TIME
HOT WATER
HEATING
RUN
11


Need help? Post your question in this forum.

Forumrules
1

Forum

honeywell-st9420c

Reset search

  • Switched heating to off but it remains on. Taken out batteries from thermostat and heating still on Submitted on 31-7-2021 at 20:16

    Reply Report abuse


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Honeywell ST9420C at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Honeywell ST9420C in the language / languages: English as an attachment in your email.

The manual is 1,21 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info