28
Indoor Unit
3. Operation Details
Operation Details
■
Time Delay Safety Control
• 5sec
Vertical louvers are delayed for 5 secs to be opened to prevent the frictional sound between louver and air
flow.
• 30sec
The 4-way valve is ceased for 30sec. to prevent abnormal noise when the Heating operation is OFF or
switched to the other operation mode while compress is off.
While compressor is running, it takes 3~5 seconds to switch.
■
Auto Swing Control
• This function is to swing the louver up and down automatically.
■
Air-Filter Checking Control
• 'Filter' sign will appear on the remote controller display and main body display when an air-filter is polluted. Then
clean the air-filter referring to Owners Manual.
■
Soft-Dry Operation
• The indoor fan speed is automatically set to the low, and fan speed control is not available because of already being
set to the best speed for Dry Operation by microcontroller control.
■
Cooling Mode Operation
• When selecting the Cooling( ) Mode Operation, the unit will operate according to the setting by the remote con-
troller and the operation diagram is as follows.
Intake Air Temperature
SET TEMPE0.5°C
(COMP. ON)
SET TEMPERATURE
SET TEMPERATURE -0.5°C
(COMP. OFF)
Selected
Selected
Selected
fan speed
fan speed
fan speed
COMPRESSOR
ON
OFF
ON OFF
ON
INDOOR FAN
Low Low
More than
3 minutes
More than
3 minutes
(1) The function of main control
Summary of Contents for multi V PLUS
Page 21: ...Service Manual 21 Indoor Unit Indoor Units ...
Page 74: ...74 Indoor Unit ...
Page 86: ...86 Indoor Unit ...
Page 142: ...142 Indoor Unit ...
Page 160: ...160 Indoor Unit ...
Page 179: ...Service Manual 179 Outdoor unit ...
Page 239: ...Service Manual 239 Wiring Diagrams 5 8 60Hz 220V Main Outdoor Unit 8HP 10HP 12HP ...
Page 245: ...Service Manual 245 Trouble shooting guide ...
Page 296: ...296 Trouble Shooting Guide ...
Page 297: ...Service Manual 297 Appendix ...
Page 303: ...Service Manual 303 Exploded View Replacement Parts List ...