12-14
CONTROL SYSTEM
SM WNGDCI 2-E.4 GB
12.10
On Unit Controls and Indicators
12.10.1
Indoor Unit controller Controls and Indicatiors for All Models
Except for Floor/Ceiling model
During OFF, Fan, Cool, Heat, Dry, and Auto modes (for operation in other modes, see at the
relevant spec paragraph):
STAND BY
INDICATOR
1. Lights up when the Air Conditioner is connected to power
and ready to receive the R/C commands
OPERATION
INDICATOR
1. Lights up during operation.
2. Blinks for 300 msec., to announce that a R/C infrared
signal has been received and stored.
3. Blinks continuously during protections (according to the
relevant spec section).
TIMER INDICATOR
Lights up during Timer and Sleep operation.
FILTER INDICATOR
Lights up when Air Filter needs to be cleaned.
COOLING INDICATOR
Lights up when system is switched to Cool Mode by using the
Mode Switch on the unit.
HEATING INDICATOR
Lights up when system is switched Heat Mode by using the Mode
Switch on the unit.
Mode SWITCH
(COOL/HEAT/OFF)
Every short pressing , the next operation mode is selected, in this
order : SB → Cool Mode → Heat Mode → SB → …
In long pressing system enters diagnostic mode.
RESET / FILTER
SWITCH
For short pressing:
When Filter LED is on - turn off the FILTER INDICATOR
after a clean filter has been reinstalled.
When Filter LED is off – enable/disable the buzzer
announcer, if selected.
In long pressing system enters set up mode (if in SB).
12.10.2
Outdoor Unit controller Indicatiors
Unit has three LED’s.
SB LED is ON when power is ON (230 VAC, even when no communication).
STATUS LED is ON when COMP is ON, and Blinks according to diagnostics mode definitions when
either fault or protection occurs.
FAULT LED Blinks according to diagnostics mode definitions when either fault or protection occurs.
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