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Subject to technical amendments without prior notice | 83055400iUK – 2.1 | ait-deutschland GmbH
hysteresis cool.contr Hysteresis cooling circuit
Standard value for reversible air/water heat pumps: 3 K
Standard value for brine/water heat pumps: 2 K
service water max
Maximum domestic hot water
temperature
A value, which is set to limit the maximum set temperature of
the domestic hot water.
min.systemtemp.
Minimum return set-point temperature
Will not be exceeded in operation.
Defrost end temperature
minimal flow mc 1 Minimum flow temperature mixing
circuit 1
Will not be exceeded in operation.
maximum flow mc 1 Maximum flow temperature after the
charge mixing circuit 1
Will only be displayed if mixing circuit 1 is set to charge mixer.
Then the supply sensor on TB1 serves to restrict the supply
temperature in accordance with the mixer. This means that If
TB1 exceeds the value set here, the charge mixer is driven in
the “closed” direction.
Hysteresis 2.CP short Hysteresis heating control 2nd compr.
Shorten HR hysteresis. HR. Hysteresis heating regulator
from which the cut-in time of the 2nd. compressor stage is
shortened (See “System setting”).
Cutting-in compressor 2:
A
No cut-in
B
Shortened cut-in
C
Return flow set value
D
Heat regulator hysteresis
E
Hysteresis HR shortened
desuperheater max. Maximal temperatur desuperheater
min. flow cooling
Minimum flow temperature cooling
If the temperature at the cooling sensor falls below this
temperature (depending on integration TB1, TB2 or TRL), the
cooling is interrupted (factory setting 18°C). At the same time,
the displayed value is the minimum limit value for settable
cooling setpoint temperatures.
min. flow cooling 2CP Minimum flow temperature cooling
2nd compressor
If the temperature at the cooling sensor falls below this
temperature (depending on integration TB1, TB2 or TRL), the
cooling is interrupted (factory setting 18°C). At the same time,
the displayed value is the minimum limit value for settable
cooling setpoint temperatures.
Scroll all the way down,
cancel or save the settings.
T-HS min
Minimum heat source temperature
Setting for the minimum permissible temperature at the heat
source outflow of the heat pump .
for S/W devices:
With AS access, a value above -9 °C can be set
(necessary for integration with intermediate
exchangers)
for W/W devices
The setting is only available with manufacturer
access.
min HSI flow max
Minimum heat source inlet tempera-
ture at maximum supply flow rate
T-HG max
Maximum hot gas temperature
Setting for the maximum permissible temperature in the
cooling circle of the heat pump.
T-def.airend
Temperature air defrost end
A value is only displayed for L/W devices and if the air defrost
is switched on.
Setting for the temperature at which the air defrosting is
terminated at the outlet of the evaporator.
page 45, “Overview: Defrost cycle, Air defrost, Flow Max“
lowering to
Maximum lowering
Setting for the external temperature up to which a night
lowering is carried out.
If the actual external temperature falls below the set value,
the lowering temperature is ignored.
flow max.
Maximum flow temperature
If this temperature is exceeded in the flow, a compressor of
the heat pump is switched off. This applies to all supply types!
page 45, “Overview: Defrost cycle, Air defrost, Flow Max“
Flow max. MC1
Maximum flow temperature mixing
circuit 1
min. AT flow max.
Heat source temperature-dependent
adjustment of the flow temperature.
The outside temperature, up to which the flow max.
temperature with the heat pump may be increased, is
adjusted here.
Below this outside temperature, the actual VL maximum
temperature of the heat pump will fall linearally to the value
“low limit of applic.“.
low limit of applic.
Heat source temperature-dependent
adjustment of the flow temperature.
Here, the maximum forward flow temperature of the heat
pump is set at an outside temperature of -20°C.
For further details, see point “min. AT flow max.” and the
following diagrams:
VL
AT
-20°C
min. AT Flow max.
Flow max.
low limit of applic.
