(*2) / Outdoor unit fan control during heating mode operation
Under conditions when the compressor is on during heating mode operation (except during defrosting and / when the liquid bypass valve is
on), the outdoor unit fan is controlled by means of input (CN2) indicating / whether the contact of the heating pressure switch on the
outdoor unit circuit board is open or closed / (At the start of heating mode operation, the fan operates at HI speed.)
26.4. Hot starting
1. When heating mode operation starts
1. Start / Hot start control commences heating mode operation starts.
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 / 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”
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