Quick Start Guide
Guide to the Use of the ST9500C Programmer
This user guide is for guidance only and at the time of production represented the latest information available to Honeywell from various sources.
Honeywell reserves the right at any time and without notice to change any product, specification or any other information contained in this publication and
cannot accept any responsibility for loss or damage arising out of any errors that may inadvertently be contained herein.
EN2H-2101 UK01 R1009
honeywelluk.com
How do I use the OVERRIDE buttons?
There are two OVERRIDE buttons, one for ZONE
1 and one for ZONE 2 (marked on the image).
To turn ZONE 1 on and override the set
programme press the ZONE 2 OVERRIDE button
marked in the picture. The indicator light will light
up to confirm ZONE 1 is on.
To turn ZONE 1 off again press the OVERRIDE
button.
Alternatively the next time the programmer is set
to switch on or off the override will be cancelled.
The OVERRIDE button will only work in the AUTO
and ONCE modes. It will
NOT work i
n the OFF or
CONT modes. To change the mode press the
button marked ‘A’ for ZONE 1 and ‘B’ for ZONE 2
in the picture. Each time you press the button it will
move through the list of modes above it.
To override ZONE 2 follow the same instructions
as above but with the ZONE 2 override button
marked in the picture.
How do I use the EXTRA HOUR buttons?
There are two EXTRA HOUR buttons, one for
ZONE 1 and one for ZONE 2 (marked on the
image).
Press the button once to bring ZONE 1 or ZONE 2
on for 1 hour. Pr
ess the button a secon
d time to
bring them on for 2 hours and a third for 3 hours.
To turn the override off press the button a fourth
time.
The EXTRA HOUR button will only work in the
AUTO, ONCE and OFF modes. It will NOT work in
the CONT mode. To change the mode press the
button marked ‘A’ for ZONE 1 and ‘B’ for ZONE 2
in the picture. Each time you press the button it will
move through the list of modes above it.
CONT
ONCE
OFF
EXTRA
HOUR
OVERRIDE
EXTRA HOUR
ZONE 1
ZONE 2
OVERRIDE
CONT
ONCE
AUTO
AUTO
OFF
CONT
ONCE
OFF
EXTRA
HOUR
OVERRIDE
EXTRA HOUR
ZONE 1
ZONE 2
OVERRIDE
CONT
ONCE
AUTO
AUTO
OFF
Zone 1
EXTRA HOUR
Zone 2
EXTRA HOUR
Zone 2
OVERRIDE
Zone 1
OVERRIDE
Zone 1
indicator light
Zone 2
indicator light
A
B
List of
modes for
Zone 2
List of
modes for
Zone 1