A.O. Smith 30 - Manual (Page 76)

Service program
76 Instruction manual SGS
12
is
12.5 Display the selected appliance
Call up the menu for displaying the appliance selection
as follows:
•
: SELECT APPLIANCE
The appliance number can be found on the rating
plate.
The appliance selection has been correctly preset
in the factory.
12.6 Setting the service interval
To aid servicing, the electronic controller includes a
service interval which is used to set the frequency of
maintenance interval
(14.2 "Determining service
interval") by the service and maintenance engineer,
based on the number of burning hours.
The service interval is based on the number of burning
hours. This can be set to 500, 1000 and 1500 hours.
The standard setting for number of hours is 500. Once
the preset number of hours is reached, a
message
(8.4 "Service condition") . to this effect will
appear. Adjust the service interval via:
•
: SERVICE INTERVAL
12.7 Setting legionella prevention
To prevent infection with legionella bacteria, the
appliance heats the water to 65 °C once per week, for
1 hour. This period is adjustable. By default, this period
is set to Monday from 02:00 to 03:00 hours.
12.7.1 Switching legionella prevention on
and off
To switch legionella prevention on or off, select:
• : ANTI LEGIONELLA
• Select NO to switch legionella prevention off.
• Select YES to switch legionella prevention on. The
following display appears:
• Select START to activate the period currently
displayed.
The following display appears. This display
indicates that legionella prevention is switched on.
12.7.2 Changing legionella prevention
start time
If you wish to change the start time, select:
: ANTI LEGIONELLA | YES | CHANGE
The following display appears.
• Now set the day and time the same way as
described for setting an extra period in the week
menu
(11.11 "Programming an extra period") . In
this case however, the pump will be automatically
started.
• Select START to start.
12.8 Solar heating system configuration
Use the solar heating system settings menu to reach
the menus shown here:
APPLIANCE HISTORY
BURNINGHOURS 000410
^IGNITIONS 001000
ÈFLAME ERRORS 000021
IGNIT ERROR 000013
SELECT APPLIANCE
»5934
^ 8576
È 3379
6527
....
SERVICE INTERVAL
» 500
^ 1000 BURNING HOURS
È 1500
ANTI LEGIONELLA
»YES
NO
ON MO 02:00 LEG
OFF MO 03:00
Tset 65ÉC
»START CHANGE
LEG К К К К
02:45 Monday 60ÉC
MO 03:00 Tset 65ÉC
RUNNING
ON ÈMO 02:00 LEG
OFF MO 03:00
Tset 65 o C
START
SETTINGS SOLAR
»DRAIN BACK
^ TYPE OF FLUID
È DELTA T SOLAR
SOLAR DIFFERENCE
SOLAR LIMIT
QT SENSOR
CONTRIBUTION
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