Pioneer LISAS-B-1403 Service Manual page 107

1.3 Operation Modes and Functions
1.3.1 Fan mode
( 1) Outdoor fan and compressor stop.
(2) Temperature setting function is disabled, and no setting temperature is displayed.
(3) Indoor fan can be set to high/med/low/auto.
(4) The louver operates same as in cooling mode.
(5) Auto fan:
For 12-18K units, Plus 24K floor ceiling, cassette and Ducted:
For other units:
1.3.2 Cooling Mode
1.3.2.1 Electronic Expansion Valve (EXV) Control (Excluding YN012GMFI16RUD, YN018GMFI16RUD)
1.EXV will be fully closed when turning on the power. Then EXV will be standby with 300P open and will
open to target angle after compressor starts.
2.EXV will close with -160P when compressor stops. Then EXV will be standby with 300P open and will
open to target angle after compressor starts.
3. The initial open angle of EXV is 300P. The unit starts to work for 3 minutes then adjusting open angle
according to the temperature of compressor discharge every 2 minutes.
Electrical Control System
3.5
High
3.0
Medium
1.5
1.0
Low
Ts=24
5.0
High
4.0
Medium
3.0
2.0
Low
Ts=24
Electrical Control Function
105