5 | Technical data
Service manual
168
FTXF20~71A + FTXF20~25B + FTXF20~42C + ATXF20~71A + ATXF20~42C
+ RXF20~71A + RXF20~60B + RXF20~42C + ARXF20~71A + ARXF20~42C
Split Sensira R32
ESIE18-12E – 2021.02
5.7.2 Field settings: Outdoor unit
To adapt the facility settings
INFORMATION
These settings are only to be used for facilities such as equipment or computer
rooms and never in a residence or office with people.
1 Cut the jumper J6 on the circuit board using nippers or a similar tool to
expand the operation range of the outdoor unit down to –15°C.
INFORMATION
The outdoor unit will stop operating when the temperature drops below –20°C and
start back up once the temperature rises again.
2 Below is an overview of the other jumpers settings:
▪ J5: No function for this unit
▪ J8: Cold region setting (changing the operating range from
–10°C to –15°C)
▪ J9: No function for this unit
▪ J11: Protection for error memory overwrite (only to be used during
development)
▪ J12: No function for this unit
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