main power supply switch off.
4. Set the “OFF” position for No. 1, No. 2, No. 3 and No. 4 pin of dip
switch (DSW1).
(Important notice) / Above procedures are for deleting memory on indoor unit P.C. board. And it
is not for Address reset.
24.1. Indoor unit P.C. board layout.
25. EMERGENCY OPERATION
Emergency operation
- Emergency operation of outdoor unit / Emergency operation can
be carried out by setting the DSW1 switch on the printed circuit
board inside the outdoor unit to the EMERGENCY position.
However, emergency operation is only carried out when an
abnormality is detected by the indoor/outdoor temperature
thermistors. / The resistance values of each thermistor are
measured as shown in the table below to determine if there is an
abnormality. / / Thermistor resistance table