Fujitsu ASU18RLF Service Instructions Manual page 5
Split type room air conditioner compact wall mounted / wall mounted / floor
compact cassette / slim duct inverter multi
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Also See for ASU18RLF:
- Service instructions manual (66 pages) ,
- Design & technical manual (51 pages) ,
- Service manual (21 pages)
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AUTO CHANGEOVER operation flow chart
HEATING OPERATION
YES
Thermostat remains
in OFF state for 6 minutes or
longer?
NO
YES
System stops
or operation command other than
auto changeover operation?
NO
START
Room temp.
Ts+4°F(+2°C)?
NO
YES
Room temp.
Ts -4°F(-2°C)?
NO
Middle zone
Operation mode
of outdoor unit : Cooling or Dry?
NO
YES
Operation mode
of outdoor unit : Heating?
NO
YES
Outdoor temp.
77°F(25°C)?
NO
01-02
Ts : Setting temperature
YES
YES
COOLING (AUTO:DRY)
OPERATION
Thermostat remains
in OFF state for 6 minutes or
longer?
NO
System stops
or operation command other than
auto changeover operation?
NO
YES
YES
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