Reviewing The Programme Times; Modifying The Hot Water Programme - Honeywell Y9420H Sundial RF2 Pack 2 User Manual

Reviewing the Programme Times

To review your hot water programme, move the slider to the HOT WATER position.
To review your heating programme, move the slider to the HEATING position.
To review the programme times, press the
ON and OFF markers will be displayed to show you which time is being reviewed.
Any of these times can be adjusted by using the
confirmed using the
after reviewing is complete.

Modifying the Hot Water Programme

The hot water 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 hot water to stay on past midnight, if required.
a. Move the slider to the HOT WATER position. 'SET HOT WATER' will show briefly
to verify this action.
DAY/TIME
HOT WATER
HEATING
RUN
b. 'SET ON-TIME 1' will then be displayed and the time setting for the first ON 1
time for MONDAY will now be flashing to indicate it can be changed. If you do
not wish to change the time, press the green
step. If you do wish to make a change, use the
the first ON 1 time. Each press of the button will change the time by 10 minutes.
As soon as the time has been changed, the message 'ON-TIME 1 OK?' will be
displayed. Press the green
the next step. 'SAVED' will be displayed for a moment to confirm that any change
has been saved to memory.
HOT WATER
button. Remember to return the slider to the RUN position
button to confirm the time is correct and move to
HEATING
PROGRAMMING YOUR ST9420C
button repeatedly. The appropriate
or
HOT WATER
button and move to the next
or
HOT WATER
buttons, and then
HEATING
buttons to change
HEATING
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