12-31
CONTROL SYSTEM
SM HAFRPM 1-A.3 GB
12.14
On Unit Indicators and Controls
STAND BY
INDICATOR
Lights up when the Air Conditioner is connected to power and
ready to receive the R/C commands
Blinks continuously in case of any thermistor failure.
OPERATION
INDICATOR
Lights up during operation.
Blinks for 300 ms, to announce that a R/C infrared signal has
been received and stored.
Blinks continuously during
OCT High Pressure Protection Mode
ICT High Pressure Protection Mode
Deicing in Heating Mode
Water Over Flow in ECC Model
MODE BUTTON
(Cool, Heat, SB)
Use to cycle the operation mode of the A/C unit among COOL,
HEAT and SB modes, without using the R/C.
Every time this switch is pressed, the next operation mode is
selected, in this order :
SB
Cool Mode
Heat Mode
SB
...
Press this button continuously for 5 sec or more to start the
Diagnostic Mode.
12.15
Clock Random Delay From 0 to 2.5 seconds
0 = Clock Switch Open
1 = Clock Switch close
The Clock is activate according to the following table:
A/C STATE
(
before clock is changed)
CLOCK STATE
(
before clock is changed)
CLOCK ACTION
(clock is changed)
A/C NEW STATE
(after clock is changed)
ON
1
0
OFF
OFF
0
1
ON
OFF byinterrupt
(1)
1
0
OFF
ON by interrupt
(1)
0
1
ON
Notes:
1.
Clock can be interrupted by :
R/C - POWER ON/OFF Push-button.
R/C - TIMER.
R/C - SLEEP.
A/C - MODE SWITCH.
2. Any change in the CLOCK level during the first 6 sec after the system
Reset is ignored
CONTENTS
