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BASIC MODE
Operation mode
Fan
Control function
Start/stop button,
1
basic mode
OFF timer
Timer
2
ON timer
operation
• "HI", "MED", or "LO" operation is
• Operation in the previous
Automatic
executed according to the thermostat
circulation mode
signal. (Refer to "Thermostat operation".)
HI
• Operation in "HI" mode
• Same as on the left.
Circulation
3
mode
MED
• Operation in "MED" mode
• Same as on the left.
LO
• Operation in "LO" mode
• Same as on the left.
• Only circulation
with cut velocity is
executed, independent
(1) In case of "Automatic" mode
of the thermostat
signal.
+3
(1) Strong
+2
+1
Set temperature
Set temperature
-1
Start/stop button
-2
-3
Fan relay H
Start/stop button
Start/stop button
Stick relay
Stick relay
Fan relay H
Fan relay H
Thermostat operation
Fan relay L
Fan relay L
Fan relay S
Fan relay S
H [ HI
Power relay
Power relay
2"
L [ MED
Stick relay
Stick relay
S [ LO
External fan relay
External fan relay
4
Operation lamp
Operation lamp
• The power relay is
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
Start/stop button
operation lamp
operation lamp
Start/stop button
Start/stop button
Reservation
Cancel
Operation lamp
Operation lamp
Timer lamp
Timer lamp
Timer memory
Timer memory
(OFF timer during stop)
(OFF timer during stop)
(Cancel)
Start/stop button
Start/stop button
Reservation
Reservation
Cancel
Cancel
Operation lamp
Operation lamp
Timer lamp
Timer lamp
Timer memory
Timer memory
(ON timer during operation)
(ON timer during operation)
(Cancel)
(Cancel)
• "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
Set temperature
-1
-2
-3
30"
30"
30"
30"
Start/stop button
Start/stop button
Fan relay S
Fan relay S
2"
2"
Power relay
Power relay
2"
Stick relay
Stick relay
External fan relay
External fan relay
Operation lamp
Operation lamp
2" 2"
2"
2" 2"
S
S
S
S
S
S
• The min. ON time of the power relay is 3 minutes, and the min.
H
H
S L S L
S L S L
H
H
S
S
OFF time also is 3 minutes.
• The indoor fan is not delayed with operation start by start/
S L
S L
L
L
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:
Set temperature
• Forced operation by start/stop
0.66 deg
-1
0.33 deg
-2
button ON is executed even
-3
-4
with thermostat OFF.
30 "
Start/stop button
• The room temperature 30 sec
after operation start, minus
Fan relay S
30"
0.66 deg, becomes the set
Power relay
2"
2"
temperature.
Stick relay
• When the room temperature
External fan relay
is 16˚C or lower, 16˚C
becomes the set temperature.
Operation lamp
• The other operations are the
same as for (1).
Heating
Operation and stop are repeated
independent of timer reservations
independent of timer reservations
(Change of the reservation time)
(Change of the reservation time)
(Change of the reservation time)
(Change of the reservation time)
• "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
signal and time.
• "MED", "LO", and "Stop" are repeated according to the thermostat signal
and time.
• "LO" and "Stop" are repeated according to the thermostat signal and time.
Example for "HI" circulation mode
+3
+2
(Set temperature)+
(Set temperature)+
+1
(Temperature shift amount)
(Temperature shift amount)
-1
-2
-3
-4
T" T"
T" T"
30"
30"
30"
T" T"
30"
30"
30"
30"
30"
Start/stop switch
Start/stop switch
Fan relay H
Fan relay L
Fan relay S
2"
2"
Power relay
Power relay
2"
2"
Stick relay
External fan relay
4 way valve relay
4 way valve relay
Heater relay
10"
10"
Pilot lamp
Pilot lamp
Hot keep lamp
Hot keep lamp
L
H
H
S
S S L
H S
S L
S L H
B
Air-blow mode
(A)
(B)
H
L
H
L
L
L
S
S
S
Automatic
L
XL
Notes:
• The min. ON time of the power relay is 3 minutes, and the min. OFF time
also is 3 minutes.
• In automatic circulation mode, "HI" in section (B) occurs only the first time.
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
• The "Automatic" speed mode
for each operation mode is used
independent of the setting.
("Week" at the time of "Sensor
dehumidification".)
• The operation mode at the
start of operation differs as
shown below according to
the room temperature.
Low-temperature input
Low-temperature input
Cooling
The set temper-
ature shall be 27˚C.
27˚C
Sensor
The set temper-
6
Fan relay H
dehumidi- ature shall be 2
Power relay
fication
degrees below the
Stick relay
room temperature
at the start of
External fan relay
operation.
Reversing valve relay
23˚C
Heating
The temperature
shall be 23˚C +
Timer lamp
Timer lamp
temperature shift
amount.
• A shift is not accepted at the
time of operation start.
• There is no switching between
modes after start of operation.
• When the operation is started
again within 20 min. after
stop with the start/stop button,
operation will be executed in
the previous mode.
• The operation details are the
same as for each operation mode.
• The set temperature is set with
the room temperature
adjustment button. Correction
by V, ±3˚C is possible with.
At this time, the operation mode
judgement temperature also is
shifted at the same time.
However, correction is possible
only in cooling operation mode,
but not in "Sensor dehumidific-
ation" mode.
TEMPERATURE OF INDOOR HEAT
EXCHANGER THERMISTOR
T
9
T
8
T
6
T
7
T
5
T
3
T
4
G 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
Indoor heat exchanger
thermistor temperature
• All relays are stopped by low-
temperature input.
T
1
• 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) (0.5)
(0.5)(0.5)
(0.5)(0.5)
(0.5)(0.5)
(0.5)
1 sec
1 sec
1 sec
1 sec
(1 sec)
(1 sec)
– 33 –
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