Microcomputer Control System - Sharp AF-06CSL Service Manual

AF-06CSL
1. Temperature control characteristic
1-1 COOL operation
In the "COOL" mode, the thermostat circuit is controlled
by two thermostat lines (C1, C2).
86
84
64
62
64
Preset temperature (°F)
("THERMO" switch)
Figure Y-1
2. Operation mode
2-1 COOL operation
The compressor turns on or off, at thermostat lines C1
and C2. The fan motor is also controlled with the
compressor.
States 1 & 3
States 2
1
Room temperature transition
Preset temperature (°C)
Figure Y-2
2-2 FAN ONLY operation
The fan motor always turns on.

MICROCOMPUTER CONTROL SYSTEM

C1
C2
86
: Compressor ON
: Compressor OFF
3
C1
C2
2
3. Fan speed
Fan speeds are given by the fan motor, "H", "M" and
"L", which are available in the following operation
mode.
Table Y-1
Selector
HIGH COOL
MED COOL
LOW COOL
HIGH FAN
MED FAN
LOW FAN
4. 12-hours timer
4-1 OFF-TIMER operation
Set the delay timer during operation.
The unit will turn off automatically according to your
setting. Timer duration can be set by 0.5 hours to
maximum 12 hours. Up to 9.5 hours, you can set by 0.5
hours increments and from 10 to 12 hours, by 1 hour
increment.
If you touch button "POWER ON/OFF" during OFF-
TIMER operation, then the unit turns off and OFF-
TIMER operation is cancelled.
4-2 ON-TIMER operation
Set the delay timer when unit is not operating.
The unit will turn on automatically according to your
setting. Timer duration can be set by 0.5 hours to
maximum 12 hours. Up to 9.5 hours, you can set by
0.5 hours increments and from 10 to 12 hours, by 1
hour increment.
If you touch button "POWER ON/OFF" during ON-
TIMER operation, then the unit turns on and ON-TIMER
operation is cancelled.
ON-TIME and OFF-TIME display will count down the
remaining time.
from 0.5 to 9.5 ..... 0.5 hours
from 10 to 12 ....... 1 hour
5. Energy saver
During normal operation, the thermostat automatically
controls cooling and the fan runs continuously whenever
the air conditioner is in operation.
When the ENERGY SAVER is set, the thermostat
automatically controls cooling and the fan automatically
stop when compressor is not operating. (Fan will stop
in 30 seconds after the compressor stops.)
ON
Compressor
ON
Fan
Figure Y-3
22
Fan motor
H
M
L
H
M
L
OFF
OFF
30 seconds