Other Control - Fujitsu AUXB04GALH Service Manual

2-3-4 Other Control

To accurately detect the outside air temperature, the fan is operated while the outdoor unit is stopped.
2-4 EXPANSION VALVE CONTROL
Initialization
conditions
EEV 1
When power
turned on
When operation
stopped
EEV 2
< Cooling mode >
3000 pulses basically.
< Heating mode >
EEV is controlled so that the system reaches closer to the target discharge temperature that is calculated from
high and low pressure.
Operation mode
operation
Cooling 3000 Plulses
Heating 160 - 3000 pulses
Cooling
55 - 500 pulses
Heating
02-07
Control range
stop
40 pulses
0 pulses