Fujitsu ASYA18GBCH - 3-2-3,4 Auto Changeover

03-06
3-2-2 Auto Changeover
Operation flow chart
START
Room temp.
Room temp.
Ts+2°C ?
COOLING OPERATION
HEATING OPERATION
YES
YES
NO
NO
NO
NO
YES
YES
AUTO CHANGEOVER operation
TS : Setting temperature
Ts- 2°C ?
[Method]
1. Switch operation mode management to "Management by indoor unit" by outdoor unit DIP-SW.
2. Set the master indoor unit by wired remote controller.
3. Judge cooling/heating by the difference between the master indoor unit's setting temperature and
the room temperature.
Thermostat remains
in OFF state for 6 minutes or
longer?
System stops
or operation command other than
auto changeover operation?
NO
NO
Thermostat remains
in OFF state for 6 minutes or
longer?
System stops
or operation command other than
auto changeover operation?
YES
YES