3 x Operation
19
BA ROTEX HPSU compact 2 - 04/2011
•Use the and keys to set the required flow temperature (for temperature range see chapter 4 "Parameter
settings").
Weather-dependent target value regulation
This function is only available in room heating operation. The target flow temperature is set automatically in heating operation
based on the outside temperature.
• Press the key.
Î Icon is shown in the display of the main control unit (HPR1).
If the access authorisation in parameter [0-00] is set to Level 2 or 3, the key "Weather-dependent target value regulation"
does not work.
When you press the key again, the weather-dependent target value regulation is switched off and the icon goes out.
Room cooling
In this operating mode, the water in the heating circuit is cooled until it reaches the target flow temperature set.
If the program clock is switched on, the system automatically regulates in accordance with the settings in the timer
programs. Setting the switching times for the flow temperature control is described in chapter 3.3.8.
The target temperature for room cooling can only be set manually.
• Press key to change to the operating mode room cooling.
Î Icon is shown in the display of the main control unit (HPR1).
•Use the
and keys to set the required flow temperature.
CAUTION!
If the temperature change in the underfloor heating changes is too quick, the screed and floor covering may
break up during initial set-up.
• Set parameter [9-01] to 15 °C for initial start-up.
Î Only with installation of backup heater (BUH):
Only the backup heater (BUH) works in the interior heat pump unit (HPSU compact), thus ensuring
a slow increase in temperature.
• After several heating cycles, you can reset the lower value of the target heating temperature.
If a room thermostat or wireless room thermostat is connected to the HPSU compact the icon is shown and
the key is not ready for operation.
In this case, the room thermostat or the wireless room thermostat determines the operating mode (room cooling
or room heating).
This function is only available on devices with a heating and cooling function .
If a room thermostat or wireless room thermostat is connected to the HPSU compact the icon is shown and
the key is not ready for operation.
In this case, the room thermostat or the wireless room thermostat determines the operating mode (room cooling
or room heating).
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