Panasonic CS-A18BD3P Service Manual page 62

"PREHEAT" appears on the remote control display. (Other displays remain unchanged.)
At the indoor unit, the indoor unit fan stops. In addition, during hot starting, the louvre stays at the horizontal
position (angle 0°).
3. Cancelling
After 1 minute has passed since heating mode operation started, or if the compressor has turned on, hot
starting is cancelled when the temperature detected by the indoor unit pipe temperature sensor is 18°C
or higher.
After cancellation, the "PREHEAT" display on the remote control disappears and the louvre operation
returns to the previous setting.
(However, for 2 minutes after cancellation, the indoor unit fan operates at LOW speed, and then returns to
the previous setting.)
<When hot start operation is cancelled by temperature>
2. When defrosting is complete
1. Start
Hot start control commences when defrosting is complete.
2. Operation
"PREHEAT" appears on the remote control display. (Other displays remain unchanged.)
At the indoor unit, the indoor unit fan stops. In addition, during hot starting, the louvre stays at the horizontal
position (angle 0°).
3. Cancelling
Hot starting is cancelled when the temperature detected by the indoor unit pipe temperature sensor is 18°C
or higher, or after a maximum 1 minute has passed since defrosting was completed.
After cancellation, the "PREHEAT" display on the remote control disappears and the louvre operation
returns to the previous setting.
(However, the indoor unit fan operates at LOW speed for 2 minutes after cancellation, and then returns to
the previous setting.)
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