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27.12. 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.
27.13. 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.
27.14. 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.
27.15. DIP switch settings
• • • • Indoor unit printed circuit board (DSW1)
No.
Setting type
1
Group address setting
(twin/triple address setting)
2
3
4
5
Automatic restart
6
Filter sign time
7
Louvre control
8
Twin/triple slave unit setting
Factory shipment
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,
OFF
twin/triple address setting is carried out.)
OFF
OFF
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.)
OFF
When set to ON, the filter sign times can be set to 2,500 times.
ON
When set to OFF, louvre control is disabled.
OFF
When set to ON, the unit is designated as a slave unit.
Remarks
69
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