03-12
+1
3-6-4 Outdoor temperature protected operation for Outdoor air unit
1. COOL OPERATION
The contents of operation is controlled as following based on the suction airflow temperature.
a) Operation mode management is made
"Management by indoor unit", and
outdoor air unit is master indoor unit.
b) Cases Other than (a)
b) Cases Other than (a)
2. HEAT OPERATION
The contents of operation is controlled as following based on the suction airflow temperature.
Cooling operation
Heating operation
Fan operation
3. FAN OPERATION
The contents of operation is controlled as following based on the suction airflow temperature.
a) Operation mode management is made
"Management by indoor unit", and
outdoor air unit is master indoor unit.
23°F
(-5°C)
64°F
(18°C)
Suction airflow
temperature rises
Suction airflow
temperature drops
68°F
(20°C)
50°F
(10°C)
41°F
(5°C)
19°F
(-7°C)
Forced thermostat off
and Fan off
Cooling operation
Fan operation
64°F
(18°C)
Suction airflow
temperature rises
Suction airflow
temperature drops
68°F
(20°C)
50°F
(10°C)
41°F
(5°C)
Forced thermostat off
and Fan off
Heating operation
Fan operation
66°F
(19°C)
Suction airflow
temperature rises
Suction airflow
temperature drops
70°F
(21°C)
23°F
(-5°C)
19°F
(-7°C)
Forced thermostat off
and Fan off
Heating operation
Fan operation
41°F
(5°C)
Suction airflow
temperature rises
Suction airflow
temperature drops
50°F
(10°C)
23°F
(-5°C)
19°F
(-7°C)
Forced thermostat off
and Fan off
Fan operation
41°F
(5°C)
Suction airflow
temperature rises
Suction airflow
temperature drops
50°F
(10°C)
Forced thermostat off
and Fan off