25
i-32V5
Pompe di calore inverter aria/acqua con ventilatori assiali
TABLE 6. INTEGRATION HEATERS OPERATION
N°
STATUS
OPERATION
PLANT INTEGRATION HEATER
DHW INTEGRATION HEATER
2
HEAT+SAN DHW
Only if all 3 of the following conditions are met:
-the output is configured for Plant integration
heater;
-
r24=1/3
;
-
plant water temperature remote probe pres-
ent and configured
;
the plant integration heater is activated in the
following situations:
-
r12
minutes after the start of its count acti
-
vated in “HEAT” mode previously running (see
line 1);
- if its count is not already activated in the pre
-
vious “HEAT” mode,
r12
minutes after the tem
-
perature control demand.
- In SANITARY mode, with remote probe not
configured, the plant integration heater is de
-
activated or any of its counts are interrupted.
- With “remote on-off” contact open, the Plant
integration heater is deactivated.
Works as indicated in TABLES 1,2,3 and 4.
3
COOL+SAN DHW
Cannot be activated
Works as indicated in TABLE 5.
4
COOL+SAN COOL
Cannot be activated
Cannot be activated
10.10.1
AUXILIARY SYSTEMS OFFSET MANAGEMENT
Lastly you may establish that the boiler and/or integration heaters (according to the resources and selected priorities) have a setpoint in heating
mode and in sanitary mode higher than that of the heat pump. This is achieved by setting an offset on the following setpoints:
•
r29
= First setpoint temperature offset for boiler and plant heaters (
G02
);
•
r30
= Second setpoint temperature offset for boiler and plant heater (
G05
);
•
r31
= Temperature offset for boiler and DHW heaters (
G03
);
This way the heat pump stops at the setpoint (
G02
,
G03
,
G05
) and the temperature difference, according to the set outset, will be supplied by
the boiler and/or heaters.
10.11
WARNINGS
If the double setpoint function is
not
active,
one
of the following warnings can be configured.
10.11.1
PLANT SEASON
A digital output can be configured indicating the operating season of the unit, plant side.
The output is active in summer mode, while it is deactivated in OFF or heating mode.
During DHW production and defrosting, the output maintains the setting of the source season.
I/O Resource (Parameter)
Value
Function
DO7 can be activated via H85
31
Plant season warning
10.11.2
ALARM
È possibile configurare un’uscita in tensione che segnali la presenza di un allarme.
I/O Resource Parameter
Value
Function
DO7 can be activated via H85
24
Alarm warning
10.11.3
MACHINE BLOCK
A live output can be configured signalling the presence of an alarm.
I/O Resource Parameter
Value
Function
DO7 can be activated via H85
47
Alarm warning
10.11.4
DEFROST
A digital output can be configured signalling defrosting in progress.
I/O Resource Parameter
Value
Function
DO7 can be activated via H85
21
Defrost in progress warning
10.12
DEFROST CYCLE
The defrost cycle is only active in heat pump mode and is used to prevent the formation of ice on the surface of the air/air coil. The formation of
ice on the evaporator, which is quite frequent with very low outdoor temperatures, in addition to considerably downgrading the thermodynamic
performance of the unit, also risks damaging the unit itself.
If the unit is switched off by remote control during defrosting, the heat pump finishes defrosting and then places itself in off mode via remote
