7-5. Fresh air control
The fan motor for Fresh Air is operated in synchronization with the indoor fan operation as below.
Operation
Stop
Operation
Stop
Fan motor
(Indoor unit)
Fan motor
(for Fresh Air)
7-6. Compressor preheating
By preheating the compressor, warm airflow is quickly discharged when the operation is started.
• Model: AOUH18LUAS1
– Triggering condition
• 30 minutes after compressor stopped.
• Outdoor unit heat exchanger temperature (Tn)
Off
On
Tn
Tn
28.4
°F
(-2°C)
24.8
°F
(-4°C)
→hen the jumper wire (JM2) is disconnected:
41.0°F
(5°C)
Off
On
Tn
Tn
44.6
°F
(7°C)
• Models: AOUH24LUAS1, AOUH30LUAS1, and AOUH36LUAS1
– Triggering condition 1
• Outdoor temperature ≤ 68°F (20°C)
→hen outdoor temperature reaches 78.8°F (26°C), compressor preheating stops.
• 30 minutes after compressor stopped
– Triggering condition 2
32.0°F
(0°C)
Off
On
Tn
Tn
35.6°F
(2°C)
Tn: Outdoor unit heat exchanger temp.
7-5. Fresh air control - (04-30) - 7. Various control
CONTROL AND
FUNCTIONS
CONTROL AND
FUNCTIONS