Field Settings: Outdoor Unit - Daikin RXTA30B2V1B Service Manual

7 | Technical data

7.7.2 Field settings: Outdoor unit

To set the facility settings
To set the cold region settings
Service manual
260
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 –10°C.
INFORMATION
The outdoor unit will stop operating when the temperature drops below –15°C and
start back up once the temperature rises again.
2 Below is an overview of the other jumpers settings:
▪ J5: Not used on this unit
▪ J8: Cold region setting
▪ J9: Not used on this unit
▪ J11: Not used on this unit
▪ J12: Snowfall prevention setting
Cold region setting can be used in the event frost remains when the unit is used for
heating operation under extremely low temperatures and severe environmental
conditions, such as in Scandinavia.
1 Cut the jumper J8 on the circuit board using nippers or a similar tool to
improve the defrosting performance.
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+FTXTM30+40R2V1B+FTXTP25+35M5V1B+ATXTP25+35M5V1B
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02