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BASIC MODE
Operation mode
Fan
Control function
Start/stop button,
1
basic mode
OFF timer
Timer
2
operation
ON timer
• "HI", "MED", or "LO" operation is
Automatic
executed according to the thermostat
signal. (Refer to "Thermostat operation".)
• Operation in "HI" mode
• Same as on the left.
HI
Circulation
3
mode
• Operation in "MED" mode
MED
• Same as on the left.
LO
• Operation in "LO" mode
• Same as on the left.
• Only circulation with cut
velocity is executed,
independent of the
(1) In case of "Automatic" mode
thermostat signal.
+3
+2
(1) Strong
+1
Set temperature
-1
Start/stop button
-2
Fan relay H
-3
Start/stop button
Stick relay
Fan relay H
Fan relay L
Thermostat operation
Fan relay S
H → HI
2 sec
Power relay
L → MED
Stick relay
S → LO
External fan relay
4
Operation lamp
• The power relay is
H
delayed by 2 seconds
from the start of
thermostat operation.
Note:
• The min. ON time of the power relay is
3 minutes, and the min. OFF time also
is 3 minutes.
(2) In other modes than "Automatic" Same
as above (but operation is made with
the velocity set at the time of operation
start).
Cooling
Sensor dehumidification
Start/stop button
Operation and stop are repeated
operation lamp
independent of timer reservations
Start/stop button
Reservation
Cancel
Operation lamp
Timer lamp
Timer memory
( OFF timer during stop )
( Cancel )
Start/stop button
Reservation
Cancel
Operation lamp
Timer lamp
Timer memory
( ON timer during stop )
( Cancel )
( OFF ¡ ON timer )
( ON ¡ OFF timer )
Start/stop button
Reservation
Cancel
Operation lamp
Timer lamp
Timer memory
PM1:00
PM3:00
PM5:00
PM1:00
PM3:00
PM5:00
• "LO" and "Stop" are repeated according to the thermostat
signal, independent of the setting.
(1) When the set temperature is lower than the room temperature
+3
+2
+1
Set temperature
-1
-2
-3
Start/stop button
5 sec 5 sec
Fan relay S
2 sec
2 sec
2 sec
Power relay
Stick relay
External fan relay
Operation lamp
2 sec
2 sec
S
S
S
• The min. ON time of the power relay is 3 minutes, and the
S
L
S L
H
S
min. OFF time also is 3 minutes.
S
L
L
• The indoor fan is not delayed with operation start by start/
stop button ON.
• The indoor fan is delayed by 5 sec with operation start by
thermostat operation.
(2) Set temperature higher than room temperature
Notes:
• Forced operation by start/
Set temperature
-1
stop button ON is executed
0.66 deg
-2
0.33 deg
even with thermostat OFF.
-3
-4
• The room temperature 30
30 sec
Start/stop button
sec after operation start,
Fan relay S
5 sec
minus 0.66 deg, becomes
the set temperature.
Power relay
2 sec
2 sec
• When the room temperature
Stick relay
is 16°C or lower, 16°C
External fan relay
becomes
the
set
temperature.
Operation lamp
• The other operations are the
same as for (1).
Heating
( Change of the reservation time )
( Change of the reservation time )
( ON ¡ OFF timer during operation )
( OFF ¡ ON timer during stop )
PM1:00
PM3:00
PM5:00
PM1:00
PM3:00
PM5:00
• "HI", "MED", "LO", and "Stop" are repeated according to the thermostat
signal and time.
• "HI", "MED", "LO", and "Stop" are repeated according to the thermostat
• The "Automatic" speed mode for
signal and time.
each operation mode is used
independent of the setting. "Week"
• "MED", "LO", and "Stop" are repeated according to the thermostat signal
at
the
and time.
dehumidification".)
• "LO" and "Stop" are repeated according to the thermostat signal and
time.
• The operation mode at the start
Example for "HI" circulation mode
of operation differs as shown
+3
below according to the room
+2
(Set temperature)
+1
temperature.
(Temperature shift amount)
-1
-2
-3
27˚C
-4
30 sec
15 sec
30 sec
15 sec
30 sec
30 sec
15 sec
30 sec
30 sec
30 sec
30 sec
Start/stop button
Fan relay H
Fan relay L
Fan relay S
2 sec
23˚C
Power relay
2 sec
2 sec
2 sec
Stick relay
External fan relay
4 way valve relay
Pilot lamp
• A shift is not accepted at the time
Hot keep lamp
of operation start.
• There is no switching between
modes after start of operation.
L
H
• When the operation is started
H
S
S S L L S
again within 20 min. after stop with
S L
S
L H
B
the start/stop button, operation
will be executed in the previous
mode.
• The operation details are the
Air-blow mode
(A)
(B)
same as for each operation mode.
• The set temperature is set with
H
L
H
the room temperature adjustment
L
L
L
button. Correction by V, ±3˚C is
S
S
S
possible with. At this time, the
❈L
Automatic
L
operation mode judgement
temperature also is shifted at the
Notes:
same time. However, correction is
• The min. ON time of the power relay is 3 minutes, and the min. OFF time
possible only in cooling operation
also is 3 minutes.
mode, but not in "Sensor
• In automatic circulation mode, "HI" in section (B) occurs only the first time.
dehumidification" mode.
Automatic
5
PD CUT 1
PD CUT 2
PD CUT 3
FAN RELAY H
FAN RELAY L
POWER RELAY
STICK RELAY
EXTERNAL FAN RELAY
4-WAY VALVE RELAY
T
1
time
of
"Sensor
Low-temperature input
Fan relay H
6
Power relay
Stick relay
External fan relay
Reversing valve relay
Timer lamp
Cooling
The set temper-
ature shall be 27˚C.
Sensor
The set temper-
dehumidi-
ature shall be 2
fication
degrees below the
room temeerature
at the start of
operation.
Heating
The temperature
shall be 23˚C +
temperature shift
amount.
TEMPERATURE OF INDOOR HEAT
EXCHANGER THERMISTOR
T
9
T
8
T
6
T
7
T
5
T
3
T
4
AIR BLOW CHANGE TO "H" FORCILY BY INPUTING "PD CUT 2"
AIR BLOW MAKE A POSSIBLE TO CHANGE AIR BLOW AT TEMP. T
.
7
AIR BLOW RETURN TO THE ORIGINAL SETTED TEMP. AT TEMP T
.
5
Indoor heat exchanger
thermistor temperature
• All relays are stopped by low-
temperature input.
• Not accepted during hot keep,
during compressor stop, during
defrosting and during forced 3
minutes.
• Accepted only during heating
operation.
• Receovery at the time of stop by
low-temperature input is reset
recovery.
• The timer lamp flashes at the time
of stop.
(0.5)
(0.5)
(0.5) (0.5) (0.5)(0.5)(0.5)(0.5)
1 sec
1 sec
(1 sec)
–35 –
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