Quick Start Guide

ManualsBrandsHoneywell ManualsAir ConditioningST9100S

50029833-003 A

EXTRA HOUR

OVERRIDE

EXTRA HOUR

OVERRIDE

GUIDE TO THE USE OF THE ST9100S TIMER:

The purpose of the Timer is to control the times when the heating can be switched on.

MODE Button

EXTRA HOUR

OVERRIDE

DAY/TIME

PROGRAMME

RUN

ST9100S

Slider

Normal Use:

Lift the ﬂap to make sure the Slider is in the RUN position.

Also make sure the heating is operating in AUTO or ONCE mode, by

pressing the MODE button repeatedly until the display shows AUTO or

ONCE.

AUTO means on and off twice each day, following the programme.

ONCE means coming on at the ﬁrst programme time then off at the last

programme time.

To turn the heating OFF:

Keep pressing the MODE button until the display shows OFF. If the

heating was on, the light will turn off.

To turn the heating ON:

Keep pressing the MODE button until the display shows CONT (this is

short for continuous). The light will turn on.

The heating will not turn off in this position.

Temporary Overrides to the Set Programme:

To turn the heating ON press the OVERRIDE button – the light will turn

ON, unless heating is operating in the OFF mode.

To turn the heating OFF press the OVERRIDE button again – the light will

turn OFF.

This button will only work in the AUTO or ONCE modes. It will NOT work

in the OFF or CONT modes.

At the next SET time the Timer will go back to automatic operation.

For a temporary boost of heating, press the EXTRA HOUR button.

Pressing once brings the heating ON for 1 hour.

Press twice for 2 hours extra, three times for 3 hours extra.

Pressing again will turn the heating OFF.

This button works in the AUTO, ONCE, and OFF modes. It will NOT work

in the CONT mode.

If the heating is already ON, pressing the EXTRA HOUR button will add

the hours to the end of the current ON period.

For guidance on the operation of the other buttons please refer to the complete user instructions supplied with the

product.

OVERRIDE Button

EXTRA HOUR Button

Summary of content (2 pages)

PAGE 1
50029833-003 A GUIDE TO THE USE OF THE ST9100S TIMER: The purpose of the Timer is to control the times when the heating can be switched on. Normal Use: Lift the flap to make sure the Slider is in the RUN position. Also make sure the heating is operating in AUTO or ONCE mode, by pressing the MODE button repeatedly until the display shows AUTO or ONCE. AUTO means on and off twice each day, following the programme. ONCE means coming on at the first programme time then off at the last programme time.
PAGE 2
BOILER SERVICE REMINDER: By Law, your gas boiler should be inspected once a year to ensure it is operating safely. Your ST9100S Timer has a range of features designed to help make sure this service is carried out at the correct time. These features will be programmed by your Installer, Maintenance Engineer or Landlord. • A message can be displayed on the screen to remind you that a boiler service is due • If the service is overdue, the timer may switch off the heating system, to ensure your safety.