Description Of Service Parameters For Tra 421 - sauter TRA 410 Operating Instructions Manual

TRA 410, 421
Description of operation
8.3

Description of service parameters for TRA 421

Display symbol Procedure
Change parameters:
Press and turn twice to the right to select the Parameters menu.
The Code symbol flashes.
Press to confirm the selection.
Press and turn to enter the four-digit service code.
Factory setting: 1234
Press to confirm the entry.
The symbol is displayed.
Press to confirm the entry.
Press and turn to enter the individual digits of the parameter num-
ber.
Press to confirm the entry.
Preset control algorithm for the following applications:
Factory setting: 0
0 = standard underfloor heating
1 = low-energy underfloor heating
2 = radiator
3 = passive convector (slow warm-up period)
4 = fan convector (fast warm-up period)
Activate/deactivate the cooling lock
Factory setting: 0
0 = deactivated
1 = activated
Note: When the cooling lock is activated and the operating mode
is set to cooling (C/O active), the room thermostat cannot be used
for heating.
Protect the operation locking with a code:
Factory setting: 0
0 = deactivated
1 = activated
Note: The locking must be activated in the Operating modes
menu.
Change the code for locking the operation:
Factory setting: 0000
Activate an external sensor
Factory setting: 0
0 = internal sensor is operating
1 = external sensor is operating; internal sensor is deactivated
2 = input for external (floor) sensor is activated
Note: This is a comfort temperature. As soon as the floor temper-
ature has been reached, the internal sensor takes over controlling
the room. Setting the setpoint temperature of the external sensor
in the Settings menu.
Set/correct the floor temperature or the external sensor
Factory setting: 0 °C
A difference in the actual floor temperature can be corrected.
Setting range -2 °C to +2 °C.
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