Service manual

12-16
CONTROL SYSTEM
SM CINCO 1-A.1 GB
STBY Cool Heat Auto Fan Dry
OFF SPT SPT SPT SPT SPT
OFF ON ON ON ON ON
OFF OFF OFF OFF OFF OFF
(Low)
OFF
User
setting
IFAN
speed
User
setting
IFAN
speed
User
setting
IFAN
speed
User
setting
IFAN
speed
User
setting
IFAN
speed
(Med)
OFF
(High)
OFF
(Turbo)
OFF
(Auto)
OFF
Backlight(red) OFF OFF ON ON ON OFF
Backlight(green) OFF ON OFF ON ON ON
12.4.14.3 Floor/Ceiling Model
STANDBY
INDICATOR
Lights up when the Air Conditioner is connected to power and is ready for operation
OPERATE
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
1. Lights up when Air Filter needs to be cleaned.
2. Blinks during Water Over Flow in PXD models. (Cf. Sect. 7.3)
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.
FAN MODE
INDICATOR
Lights up in Fan Mode activated by local switches.
FAN SPEED
INDICATORS
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.
TEMP. SETTING
INDICATORS
Each one of the seven indicators indicates the following SPT: 18, 20, 22, 24, 26, 28, 30 [
o
c]. The
odd number temperatures are indicated by turning on the two adjacent indicators.
FAN SPEED
BUTTON
Press this button to change the speed of the IFAN. Each pressing change the speed in the
sequence of: ... L  M  H  Auto  L  ...
TEMP. SETTING
UP BUTTON
Pressing this button increases the SPT by 1
o
c.
Note: The Max SPT is 30
o
c.
TEMP. SETTING
DOWN BUTTON
Pressing this button decreases the SPT by 1
o
c.
Note: The Min SPT is 18
o
c.
MODE BUTTON
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.
POWER
BUTTON
Toggle the unit between OPER & STBY modes.
RESET /
FILTER
BUTTON
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).