Electra LEX 25 DCI Service Manual page 61

CONTROL SYSTEM
11.11.3 Indoor Unit Controller Controls and Indicators for Floor/Ceiling
Model
STANDBY
INDICATOR
OPERATE
(4)
INDICATOR
TIMER
INDICATOR
FILTER
INDICATOR
COOLING
INDICATOR
HEATING
INDICATOR
FAN MODE
(4)
INDICATOR
FAN SPEED
INDICATORS
TEMP.
SETTING
INDICATORS
FAN SPEED
BUTTON
TEMP.
SETTING UP
BUTTON
TEMP.
SETTING
DOWN BUTTON
MODE
BUTTON
POWER
BUTTON
RESET /
FILTER
BUTTON
11.11.4 Outdoor Unit Controller Indicators
Unit has three LED
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.
11-12
Lights up when the Air Conditioner is connected to power and is ready
for operation
1. Lights up during operation.
2. Blinks for 300 msec., to announce that a R/C infrared
has been received and stored.
3. Blinks continuously during protections (according to the relevant spec
section).
Lights up during Timer and Sleep operation.
1. Lights up when Air Filter needs to be cleaned.
2. Blinks during Water Over Flow in PXD models. (Cf. Sect. 7.3)
Lights up when system is switched to Cool Mode by using the Mode
Switch on the unit.
Lights up when system is switched Heat Mode by using the Mode
Switch on the unit.
Lights up in Fan Mode activated by local switches.
L -- Lights up when IFAN setting is Low.
M -- Lights up when IFAN setting is Medium.
H -- Lights up when IFAN setting is High.
A -- Lights up when IFAN setting is Auto.
Each one of the seven indicators indicates the following SPT: 18, 20,
o
22, 24, 26, 28, 30 ] c[. The odd number temperatures are indicated by
turning on the two adcent indicators.
Press this button to change the speed of the IFAN. Each pressing
change the speed in the sequence of:
..... L → M → H → Auto → L → ...
Pressing this button increases the SPT by 1
o
Note: The Max SPT is 30
Pressing this button decreases the SPT by 1
o
Note: The Min SPT is 18 C.
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.
Toggle the unit between OPER & STBY modes.
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 able/disable the buzzer announcer, if
selected.
In long pressing system enters set up mode (if in SB).
CONTENTS
o
C.
C.
o
C.
signal
SM LEXDCI 1-E.1 GB