Fujitsu AUXB12GA* H - Auto Changeover Heating; Cooling Operation for Outdoor Air Unit

03-07
3-2-4 Auto Changeover Heating / Cooling Operation for Outdoor air unit
Operation flow chart
AUTO CHANGEOVER operation
TS : Setting temperature
Setting Method
1. Switch operation mode management to "Management by outdoor air unit" by Outdoor unit PUSH-SW.
2. Set the master outdoor air unit by wired remote controller.
3. Judge cooling/heating by the difference between the master outdoor air unit's setting temperature
and the suction airflow temperature
Thermostat remains
in OFF state for 6 minutes or
longer?
System stops
or operation command other than
auto changeover operation?
NO
Thermostat remains
in OFF state for 6 minutes or
longer?
System stops
or operation command other than
auto changeover operation?
YES
Function is available when an outdoor air unit set as the administrative indoor unit
(Management Outdoor air unit).
Refer to the setting Method
YES
NO
Ts- 5°C ?
YES
YES
NO
NO
NO
NO
YES
YES
HEATING OPERATION
COOLING OPERATION
Ts+5°C ?
Suction airflow temp.
Suction airflow temp.
START