46
AW HT
GB 05/2009
* When refilling the DHW cylinder again, and the minimum DHW storage refill temperature is exceeded, the maintenance signal is cancelled.
Nonetheless, if the temperature is not reached again, the maintenance message will remain active.
Parameter
number
Description
If the remote alarm contact RD1 is featured, the alarm relay can be reset by setting parameter 6710 = YES.
The alarm still remains active.
The pending error messages originating from the heat pump are reset by setting parameter 6711 = YES.
Errors should not be reset when the unit is operating.
Displaying parameters from 6800 to 6819 shows the last 10 errors saved in the memory
For each error, the code, date and time the error occurred are saved.
Default setting
6710
6711
6800…6819
Parameters contained on the FAULT operating page
Parameter
number
Description
If the heat pump is not working correctly, emergency operation can be activated.
Emergency operation activates the system using the electric immersion heaters available (outlet, storage,
DHW storage).
The compressor will remain off.
Activate the function by setting 7141 = on
Default setting
7141= off
7141
Parameters contained on the SERVICE/SPECIAL OPERATION operating page
Maintenance message
Description
If the time interval (in months) for performing a routine maintenance operation is exceeded,
message 17 is displayed.
Time interval disabled by default.
Activate the counter by setting the interval in months with parameter 7070.
If the time interval (in months) for performing routine maintenance on the DHW storage cylin-
der is exceeded, message 11 is displayed.
Activate the counter by setting the interval in months with parameter 7090.
Minimum temperature level for filling the domestic hot water cylinder by the heat pump with-
out interrupting the refill defined by parameter 7092 = 40°C .
Manual reset
SI
SI
NO*
17: HP interval
11: Interval for domestic hot water
tank
12: DHW fill temperature too low
Parameters contained on the SERVICE/SPECIAL OPERATION operating page
MAINTENANCE/SERVICE SIGNAL
The maintenance symbol
shown on the display indicates the need for maintenance or a special operating mode.
Pressing
shows the code and the type of maintenance required.
If a Maintenance/Service signal is displayed, contact the authorised service centre.
The Maintenance/Service messages are:
EMERGENCY OPERATION
Parameter
number
Description
To simplify commissioning and check for errors during service operations, an outside temperature between
–50 and +50 °C can be simulated.
The function is deactivated by selecting “-.- -“ on the corresponding row or automatically after 5 hours.
The display shows the maintenance symbol
.
Parameter number
7150 = - - - °C
7150
Parameters contained on the SERVICE/SPECIAL OPERATION operating page
OUTSIDE TEMPERATURE SIMULATION
(Engineer level)
(Engineer level)
(Engineer level)
(Engineer level)
