2. During initial operation
When the OFF/ON button is pressed to start the operation, the louvre moves through one full cycle, and then swings
automatically (if AUTO has been set using the remote control) or moves to the setting angle (if MANUAL has been set using
the remote control).
3. When operation stops
When the OFF/ON button is pressed to stop the operation, the louvre moves through one full cycle, and then stops in the down
position, regardless of the remote control setting.
4. When thermostat is off
When operation is stopped by the indoor thermostat, the louvre moves through one full cycle, and then stops in the horizontal
position, regardless of the remote control setting.
27.13. Outdoor unit fan excess heat dissipation control
1. When the operation is stopped while the compressor is in operation, the outdoor fan will run at SUPER HI fan speed for
approximately 60 seconds and then stops.
27.14. Discharge temperature control
1. Operation
When the discharge temperature sensor detects a temperature of 100°C or higher during cooling mode operation, the liquid
bypass valve will be turned on.
2. Cancelling
When the discharge temperature sensor detects a temperature of 70°C or lower, the liquid bypass valve will be turned off.
27.15. Emergency operation
When the emergency operation switch (DSW1) on the outdoor unit printed circuit board is set to emergency, the emergency
operation is enabled. This allows normal operation to continue, with all abnormalities other than a discharge temperature
abnormality, high pressure abnormality or overcurrent abnormality being ignored.
27.16. DIP switch settings
•
• •
• Indoor unit printed circuit board (DSW1)
No. Setting type Factory shipment Remarks
1 Group address setting
(twin/triple address setting)
OFF When group operation is being carried out using the remote control, this address is
set in order to control the order of starting for the indoor units. (If No. 8 is ON,
twin/triple address setting is carried out.)
2 OFF
3 OFF
4 OFF
5 Automatic restart ON When set to ON, operation after a power outage resumes at the settings which were
in effect before the outage. (The backup time is semipermanent.)
6 Filter sign time OFF When set to ON, the filter sign times can be set to 2,500 times.
7 Louvre control ON When set to OFF, louvre control is disabled.
8 Twin/triple slave unit setting OFF When set to ON, the unit is designated as a slave unit.
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