Grant Aerona 3 T205 - C User Instructions page 7

Air to water high efficiency heat pump range
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Programming the ON/OFF times
1. Press the 'PROG' button and hold for 2 seconds, after 2 seconds
the display will show (example shows 7 Day setting Dia.6)
Dia.6
Only ONE of the following options can be
used at one time.
NOTE
2. Use the '+' or '-' button to change the day grouping (PROG) at the
top of the display. This will step through the following programming
options:
7 DAY - MON TUES WED THU FRI SAT SUN
All of them have the same programming.
OR
5 DAY - MON TUE WED THU FRI
Are grouped as one group, and they will all have the same
programming. SAT and SUN will be programmed individually.
OR
INDIVIDUAL DAY -
Each day will have its program set individually. MON followed
automatically in programming by each of the other days. To copy
times set for an individual day to another day (e.g. copy Sat set
times to Sun), please see PROGRAM
DUPLICATION below.
3. Once the desired day grouping is selected, press 'PROG' button to
move onto programming ON/OFF times. Display will show PROG 1
ON, and the hour digits flashing (24 hour clock) (Dia.7).
(Example shown is for 5 + 1 + 1 + day program)
Dia.7
4. Use the '+' or '-' to set the hours and the 'PROG' to change
between hours and minutes. Followed by '+' or '-' again to set the
Minutes. Press 'PROG' to change to program OFF time. (Dia.8)
User Instructions
Dia.8
5. Use the '+' or '-' to set the OFF time in the same way as for PROG
1 ON time.
6. Press 'PROG' to scroll through program 2 ON, program 2 OFF,
program 3 ON, program 3 OFF, program 4 ON, program 4 OFF, add-
ing in times as required. If you wish to omit programmes just leave
dashes in that ON/OFF location. Press 'PROG' to move to the next
linked day (SAT follows the 5 day group automatically)
(Dia.9).
Dia.9
7. Set ON/OFF times as before. Press 'PROG' to move to the next
linked day (SUN follows the SAT automatically) (Dia.10).
Dia.10
8. Set ON/OFF times as before.
9. Once program 4 OFF has been set, press 'PROG' to exit
program mode and return to operating mode.
Program Duplication
There are two copy functions: copy one day to another, or copy one
day to all other days. When programming for 'Individual Day' or '5
Day' you can copy the programmed data from one day to another
day.
1. When setting ON time of 'PROG' 1, press 'TIME' button and then
use '+' or '-' to select the day you want to copy.
2. Press 'TIME' button twice to copy the data of the selected day to
current day. Or press 'TIME' button for 2 seconds to copy the data of
the selected day to the following days.
(Example shown for copying data TUE to THU)
When the ON/OFF times for WED are set, the display will show
'THU':- (Dia.11).
Page 7

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