82
Start-up - initial settings and functions
T5S
t_DI_HIGHTEMP
T5: DHW storage tank water temperature
T5S: DHW set temperature
Fig. 75
1 DHW MODE SETTING 4/5
1.16 t_DI_MAX
210 MIN
1.17 t_DHWHP_RESTRICT
30 MIN
1.18 t_DHWHO_MAX
120 MIN
1.19 PUMP_D TIMER
YES
1.20 PUMP_D DISINFECT TIME
5 MIN
ADJUST
Fig. 76
1.16 t_DI_MAX (standard: 210 - settable: 90/300)
Defines the maximum minutes for which the unit can keep the DISINFECT (anti-legionella) function on.
1.17 t_DHWHP_RESTRICT (standard: 30 - settable: 10/600)
in the presence of a DHW request, it defines the maximum operating minutes of the heat pump in Heating/
Cooling mode before switching to DHW mode. Clearly, the parameter only applies if priority has been given
to the system.
L
NOTE
During operation in Heating/Cooling mode, the heat pump switches to DHW mode once the system set-
point has been reached or after the minutes in t_DHWHP_RESTRICT have elapsed.
1.18 t_DHWHP_MAX (standard: 90 - settable: 10/600)
in the presence of a Heating/Cooling request, it defines the maximum operating minutes in DHW mode
before switching to Heating/Cooling mode. Clearly, the parameter only applies if priority has been given to
DHW.
L
NOTE
during operation in DHW mode, the heat pump switches to Heating/Cooling mode once the DHW setpoint
has been reached or after the minutes in t_DHWHP_MAX have elapsed.
1.19 PUMP_D TIMER (standard: YES - settable: NO/YES)
Enables hourly scheduling of the DHW circulation pump. The pump schedule can be set by the user.
L
NOTE
The recirculation pump requires a dedicated power supply.
1.20 PUMP_D RUNNING TIME (standard: 5 - settable: 5/120)
Defines the operating minutes of the circulation pump when it is started.
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