Alarm Functions - Dew Point Alarm; Alarm Functions - Frost Alarm Temperature For Hvac And Rhcc Status (°C); Alarm Functions - Heat Alarm Temperature For Rhcc Status (°C); Summer Compensation - ABB IP Touch 7 Manual

2.21.89 Alarm functions — Dew point alarm
Options:
When refrigerating machines are used, dew may appear on the refrigerant supply lines during
operation as a result of excessive cooling and/or humidity. The dew indicator signals the dew
formation via the "Dew point alarm" object (receiving only). This causes the controller to switch
to a protective mode. This is indicated by the corresponding icon on devices that have a display.
Local operation is blocked. Operation is only possible again after the alarm has been
deactivated.
Notice
This parameter is only available when the "Control function" parameter is set
either on "Cooling," "Cooling with additional stage," "Heating and cooling" or
"Heating and cooling with additional stages".
2.21.90 Alarm functions — Frost alarm temperature for HVAC and RHCC status (°C)
Options:
The RHCC status and HVAC objects have a frost alarm bit. It the input temperature of the
controller drops below the temperature set in this parameter, then the frost alarm bit is set in the
status objects. It is reset when the temperature is exceeded.
2.21.91 Alarm functions — Heat alarm temperature for RHCC status (°C)
Options:
The RHCC status object has a heat alarm bit. If the input temperature of the controller exceeds
the temperature set in this parameter, then the heat alarm bit is set in the status object. It is
reset when the temperature falls below the set temperature.

2.21.92 Summer compensation

Notice
Only available when the "Device function" parameter is set either on "Single
device" or "Master device".
Product manual 2CKA001473B5023
Control elements and application parameter
Deactivated
Activated
Setting option between 0 - 15
Setting option between 25 - 70
Application "Internal RTC"
│169