position.
(Important notice) / Above procedures are meant for deleting memory on indoor unit’s P.C.
board. And it is not for Address reset.
Indoor unit P.C. board layout
Below drawing shows the location of dip switch 1 (DSW1) on the indoor unit P.C. board.
Dip switch 1 (DSW1). [to be used for manual setting]
26. 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 of 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
133
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