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Bosch Greensource Hydrolight - Hydrocomfort Manual

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ERROR MANAGEMENT
6 720 806 630 (2013/02) 13
▶ Remove the locking ring which retains the filter inside the valve. Use
the pliers provided.
▶ Remove the filter from the valve and flush the filter with water.
▶ Reinstall the filter, circlip and plug.
▶ Open the valve and start the heat pump via the ON/OFF switch.
13 ERROR MANAGEMENT
The control panel has an advanced monitoring system that gives alarms
if anything unforeseen happens. The user can rectify most of these
alarms themselves. There is never a risk of affecting something when an
alarm is reset once or twice. Contact the installer engineer in the event
of repeated alarms.
In the menu Alarm there is:
•Alarm log
•Info log
Fig. 28
The customer level = 0 gives access to alarm information in the Alarm
log.
Installer/Service level = 1 gives access to:
•Delete alarm log
• Information regarding the Alarm history.
• Information regarding the Info log.
•Delete info log
13.1 ALARM LOG AND INFO LOG
In the Alarm log and the Info log, all alarms and warnings that have
occurred are stored in chronological order.
▶ Delete the Alarm log and the Info log after commissioning is
complete.
13.2 EXAMPLE OF AN ALARM:
When an alarm is triggered, an alarm window is displayed and a warning
signal sounds. The alarm window displays the alarm causes and the time
and date that the alarm occurred.
Fig. 29
If you press the rotary selector, Acknowledge is marked, the alarm
symbol disappears and the warning signal is suppressed. The heat pump
restarts if heat demand exists.
The alarm symbol continues to be displayed if a fault is not remedied.
The ON and fault indicators change from flashing red to constant red
indications. Every alarm is stored in the alarm log. Active alarms are
indicated by the alarm symbol.
The alarm symbol appears for both alarms in the heat pump and for
alarms in the Hydrolight/Hydrocomfort unit, if alarms have occurred in
both the units, two alarm symbols will appear.
13.3 BLANK MENU DISPLAY
13.3.1 POSSIBLE CAUSE 1: FAULTY FUSE IN THE DOMESTIC
POWER SUPPLY.
▶ Check whether all domestic fuses are OK.
▶ If required, change/reset fuse/MCB. See installation manual for
details on fuse type.
After the fault has been remedied, the heat pump automatically restarts.
13.3.2 POSSIBLE CAUSE 2: THE MINIATURE CIRCUIT BREAKER IN
THE HYDROLIGHT/HYDROCOMFORT UNIT HAS TRIPPED.
▶ Contact the installer.
13.4 ALL ALARMS, WARNINGS AND INFORMATION
WINDOWS
An alarm can occur temporarily due to various reasons. However, there
is never a risk involved in resetting an alarm. All the alarms that can
appear in the menu display are described in this section. The
descriptions give an idea about the nature of the alarm and what can be
done to rectify it.
The alarm log shows alarms and warnings that have occurred.
13.5 ALARM WINDOW
13.5.1 FAILURE / SHORT CIRCUIT ON SENSOR
Fig. 30
All sensors connected to the heating installation can give an alarm in the
event of a fault. In the example, it is sensor T3, hot water, which has
given an alarm. All sensors give alarms in the same way.
Possible cause 1: occasional fault.
▶ Confirm alarm and continue monitoring.
Possible cause 2: fault at temperature sensor or incorrect
connection.
▶ Contact the installer in the event of repeated alarms.
13.5.2 MAX FLOW TEMPERATURE, HEATING SYSTEM OR MAX
FLOW TEMPERATURE, MIXED HEATING SYSTEM
The flow temperature has reached the max. allowable temperature.
▶Select Acknowledge.
▶ Contact the installer in the event of repeated alarms.
13.5.3 T8 HIGH FLOW TEMPERATURE OR T71 HIGH FLOW
TEMPERATURE
Fig. 31
Ensure that the heating circuit is free from air at all times,
i.e radiators or underfloor cicuits.
6 720 648 135-07.1I
6 720 617 422-23.1I
6 720 617 422-23.1I
6 720 641 467-24.1I
… 13 …


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