Grant Aerona3 Series User Manual

Section 5: Domestic Hot WaterPage 22
5.4.2 Setting
To set the timeswitch use the following procedure:
To set the time and day:
1. Press and hold down the ‘clock’ button throughout the ‘time and day’
setting process.
2. Press ‘h+’ button repeatedly to set hour (24 hour clock).
3. Press ‘m+’ button repeatedly to set minutes.
4. Press the ‘day’ button repeatedly to scroll through to required day of
week.
5. Release the ‘clock’ button. The clock is now running as indicated by the
flashing colon.
To set switching times:
You can set up to six ON and OFF commands per day, if required, as follows:
1. Press the ‘timer’ button. The actual time will disappear from the display.
The first ‘ON’ indication will be displayed.
2. Press ‘h+’ button repeatedly to set hour (24 hour clock).
3. Press ‘m+’ button repeatedly to set minutes.
4. Press the ‘day’ button repeatedly to scroll through day options – each
single day, all weekdays, weekend and entire week.
5. Press the ‘timer’ button again. The first ‘OFF’ indication will be displayed.
6. Repeat steps 2 to 4 (above) to set first OFF time – hours minutes and
day.
7.
8. Press the ‘timer’ button again. The second ‘ON’ indication will be
displayed.
9. Repeat the above procedure to set second ON and OFF times, if
required.
10. After setting all required ON and OFF times – press the ‘clock’ button to
return to current time display.
To check ON/OFF settings
Repeatedly press the ‘timer’ button to scroll through all ON and OFF settings.
To change an ON or OFF setting
When a setting is showing on the display – press the ‘h+’ ‘m+’ or ‘day’
buttons to alter the setting as required.
To delete an ON/OFF setting period
1. Press the ‘timer’ button until the ‘ON’ setting for the period to be deleted
is displayed.
2. Press the ‘h+’ button repeatedly until ‘- -‘ appears (after 23 hours).
3. Press the ‘m+’ button repeatedly until ‘- -‘ appears (after 59 minutes).
4. Press the ‘timer’ button and the ‘OFF’ setting for the period to be deleted
is displayed.
5. Repeat steps 2 and 3 (above) to delete the ‘OFF’ setting.
6. Press the ‘timer’ button to save the amended command.
7. The deleted ON/OFF period is now available for re-programming if
required.
8. Press the ‘clock’ button to return to the current time display.
To override the timeswitch
If timeswitch is ON - press the ‘override’ button to set timeswitch to OFF.
If timeswitch is OFF – press the ‘override’ button to set timeswitch to ON.
If you hold down either the ‘h+’ or ‘m+’ buttons
for longer than a second the figures in the
display will scroll continuously.
NOTE
Ensure that day (or days) for the OFF setting
match those for the ON setting.
NOTE
The hot water controls must be ‘calling’ for this
switch to bring the immersion on.
NOTE
Earth connections have been excluded for
clarity. Ensure all earth connections are made
prior to energising.
The HW boost pack contains a power relay
and an additional 2-pole isolator and
programmable timer.
NOTE

Grant Aerona3 Series Specifications

General

Brand	Grant
Model	Aerona3 Series
Category	Heat Pump
Language	English