Auto Restart; Auto Random Restart; Four Way Valve Control - Daikin FTXB50BV1B Service Manual

Function & Control

2.10 Auto Restart

Factory pre-set.
Allow unit to automatically resume the same operating mode it was in before a power failure.

2.11 Auto Random Restart

Unit restarts automatically in 64 different recovery timing patterns (within 180 seconds to 244 seconds) and
operate based on the previous setting (operating mode, temperature setting and fan speed).
To disable the auto random restart function, kindly cut off the jumper J_AUTO as highlighted in attachment.
Please be informed that after disable auto random restart, unit is not able to restart with last state memory
after power resume from failure. Unit will revert to default setting as below:
Default setting
Unit: Off
Temperature: 24°C
Fan speed: High
Mode: Cooling

2.12 Four Way Valve Control

Change over switching is only carried out during operation.
OFF delayed is applied when the coil switches from ON to OFF.
Operating mode
Heat, except for defrost
Cool
Dry
Defrost
17
4-way valve is
ON
OFF