Fujitsu WOxK112LCT - Page 93

- (CS01 - 48) -
Control system
- (CS01 - 48) -
CONTROL SYSTEM CONTROL SYSTEM
Basic unit EX/E
LINE FUNCTION
5981
5983
5985
Contact type input EX1, EX2, EX3
The type of contact can be selected:
NC
The input’s function is active when voltage is not
present.
NO
The input’s function is active when voltage is
present.
The descriptions relating to the functions of the EX
contact apply when an NO contact is selected.
Sensor Corrections
LINE FUNCTION
6098 Not used
6100 Readjustment outside sensor
The outdoor temperature measuring value can -
be corrected within a range of +/- 3 K.
Installation Frost Protection
LINE FUNCTION
6120 Frost protection for the plant
According to the outdoor temperature, the heating
circuit pump and the condenser pump are switched
on although there is no demand for heat.
Outdoor
temperature
Pump
ON
Periodically ON
OFF
Diagram
Continuously ON
Set to ON for 10 min, approx. every
6 hours.
Continuously OFF
ON
Periodically ON
OFF
-6 -5 -4 -3 -2 -1 0 1 2 3 4
TA °C
…-4°C
- 5…1. 5° C
1.5°C…
Miscellaneous
LINE FUNCTION
6205 Reset to default parameters
6220 Software version