Fujitsu AOYG36KBTB - Fresh Air Control; Compressor Preheating

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.
• Models: AOYG18KBTB, AOYG22KBTB, and AOYG24KBTB
– Triggering condition
• 30 minutes after compressor stopped.
• Outdoor unit heat exchanger temperature (Tn)
-2°C
Off
On
Tn
Tn
-4°C
When the jumper wire (JM2) is disconnected:
5°C
Off
On
Tn
Tn
7°C
• Models: AOYG30KBTB, AOYG36KBTB, and AOYG45KBTB
– Triggering condition 1
• Outdoor temperature ≤ 20°C
When outdoor temperature reaches 26°C, compressor preheating stops.
• 30 minutes after compressor stopped
– Triggering condition 2
0°C
Off
On
Tn
Tn
2°C
Tn: Outdoor unit heat exchanger temp.
7-5. Fresh air control
- (04-32) - 7. Various control
CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS