ELECTRONIC CONTROL BOX - 20-0548 & 20-0548-2
Electronic week timer:
The electronic control box 20-0548 can be equipped with a digital clock (part no. 20-0537) for auto-
matic control of the filter pump. Operating instructions are supplied with the timer. Every time the filter
pump is started by the clock, the blower starts too, and run for 20 sec. The function is to be set
ON/OFF by the switch marked "1" on the PCB. This function is not possible by manual operation.
Error messages:
If an error occurs on the temperature sensor, the overheating fuse or the flow switch, the following
error codes will be shown in the touch display:
Error
Flow switch disconnected
Overheating fuse disconnected
Temp. sensor disconnected or short-circuited
SYSTEM 500 DIGITAL
49-20-0548 – www.balboawatergroup.com – July 2009
Error code
Er 01
Er 02
Er 03