6.1
Synchronizing 720644801 7 day Wireless
& 720644901 24h Wireless
6.0 Manual Sync. Function
The Programmer & Room Sensor and the Receiver can be
synchronized using the method shown in Fig. 18 as follows:
1. Start by setting up the Programmer & Room Sensor.
Press and hold the Selector Button (Fig. 16) for approx. 6
seconds. ‘HC 1’ will be seen on the display.
2. Rotate the Selector Button until ‘SnC OFF’ is seen in the
display.
3. Press the Selector Button and ‘OFF’ will flash. This display
will only remain on the screen for approximately 60
seconds.
4. Now set up the Receiver. LED ‘L1’ will be flashing. Fig.
18. One of the following conditions will be seen.
1 One flash every 2 secs
Boiler and Controller Synchronized.
2 Two flashes every 2 secs
Communication error
3 Three flashes every 2 secs
No communication yet
4 Flash for 1sec
NA for Sync
5 1 sec flash every 1 sec
Synchronization initialisation
See Fig. 27 for detailed description
5. If one flash is seen every 2 seconds, the boiler and
Programmer & Room Sensor are already synchronized.
Return to the Programmer & Room Sensor and press
Menu twice to exit the Synchronization menu.
8
Baxi Heating UK Ltd 2011
c
AUTO
1
7
6
5
4
3
2
MODE
MENU
24
21
18
15
12
3
6
9
°C
Hold for 6 seconds
Fig. 16. Programmer & Room Sensor
Selector Button
Fig. 18. Manual Sync Process Diagram
Fig. 17. Receiver LED Display
& Button
L1
L2
L1
L2
HC
1
SnC
OFF
SnC
End
Err
L1
Rapid Flash
Press &
hold until
slow flash
L1
Slow Flash
SnC
ON
OFF
SnC
OFF
SnC
OFF
Return
to
Controller
Go to
Receiver
Unit
Reposition
&
Retry
6. If L1 shows 3 flashes every 2 seconds the units are not
synchronized. Press and hold the Receiver Button until
the rapid flash at L1 changes to a slow flash.
7. Return to the Programmer & Room Sensor where
‘SnC OFF’ will be flashing. Rotate the Selector Button
until ‘SnC ON’ is seen. Press the Selector Button and
the display shows 4, 3, 2, 1 counting down. When this
process is complete, the unit will display ‘End’ if
synchronization has been successful. Press the Selector
Button to return to the ‘SnC OFF’ screen then press
MENU to escape.
8. If Error 85 is still displayed, the unit hasn’t synchronized
correctly. Return to the beginning and repeat the process.
. . . 4, 3, 2, 1
MENU
