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Operation mode
No.
Fan
Cooling
Control function
Set circulation velocity
Set
2 deg up
temperature
60 minutes
Start/stop switch
Sleep key
Operation lamp
Timer lamp
• The set temperature
• The operation is
after sleep shift in
switched OFF
7
sensor dehumidification
at the set time.
operation is limited
by 16°C.
Notes:
• 60 minutes after the sleep key is switched on, sleep operation
is started.
• When the sleep key is switched on during OFF timer operation,
the OFF timer will be canceled.
Preheating
8
operation
T
1
Fan relay H
Power relay
Stick relay
Outside fan relay
Defrosting
9
(including automatic
Operation lamp
fresh defrosting).
Fan relay S
Power relay
Stick relay
Outside fan relay
Operation lamp
Sensor dehumidification
Heating
5 deg down
LO (sleep operation)
Set
Set circulation
temperature
velocity
60 minutes
Start/stop switch
Sleep key
Operation lamp
Timer lamp
• When the sleep key is switched on during OFF timer operation, the OFF timer will be cancelled.
Set
5 deg down
temperature
Set circulation
velocity
60 minutes
Start/stop switch
Sleep key
Operation lamp
Sleep key
Timer lamp
• When the sleep key is switched on during ON after a timer reservation, sleep operation will be started.
"Strong" circulation
30 sec 30 sec
Start/stop switch
Thermostat signal
Preheating signal
Fan relay H
Fan relay L
Fan relay S
Power relay
2 sec
Hot keep lamp
T
Notes:
• Even when the preheating signal is not given as input, heating operation is started when
3 minutes have passed for T.
• Preheating operation is executed at the time of operation start and after completion
of defrosting, and at all other times, there is no operation, independent of the preheating signal.
Defrosting
start
T
E
30 sec
30 sec
Start/stop switch
Indoor heat exchanger
Defrosting signal
thermistor temperature
Preheating signal
Fan relay H
Fan relay L
15 sec
Fan relay S
Power relay
2 sec
Stick relay
External fan relay
Reversing valve relay
10 sec
Heater relay
Operation lamp
Hot keep lamp
Min. 3 minutes
30 sec 60 sec
• For the time TE after start of heating operation, defrosting will not be
TA
10 min.
executed even when the defrosting signal is given as input.
(Reverse cycle defrosting)
+0
min.
• When the reserve cycle defrosting TA has continued for the time
-1
TB
30 sec
shown in the table on the left, the operation advances to TB and TC
(Silencing period)
independent of the defrosting signal.
TC
30 sec
• When the power relay becomes ON after expiration of the time TE,
(Cycle balancing time)
defrosting will be started immediately with input of the defrosting signal.
• Once defrosting has been completed, the defrosting signal is not
accepted for the time TE.
• When a defrosting signal has been given as input at the time of stop
TE
50 min.
by means of the start/stop switch or at the time of OFF timer count-up,
(Defrosting prohibition
+0
min.
-5
defrosting is executed before operation stop.
time)
• The defrosting signal is not accepted at the time of overload input.
Automatic
• Sleep operation is executed
for each operation mode.
LO (sleep operation)
• Sleep operation is executed
for each operation mode.
LO (sleep operation)
• At the time of heating
15sec 30 sec 30 sec
operation mode, the same
operation as for heating
is executed.
2 sec
3 minutes
• Defrosting of each operation
Completion
Completion
mode is executed.
15 minutes-T
E
30 sec
30 sec
15 sec
2 sec
10 sec
T
A
T
B
T
C
T
A
30 sec 60 sec
3 minutes
3 minutes
Table 1 Specifications
Item
Automatic
Yes
Operation switching
Heating
Yes
Fan
Yes
Sensor
Yes
dehumidification
Cooling
Yes
Temporary switch
Yes (automatic)
Service switch
Heating
NO
Cooling
Yes
Nice temperature reservation
Yes
Automatic fresh defrosting
Yes
Defrosting
Yes
Pd cut 1
Yes
Pd cut 2
Yes
Pd cut 3
Yes
Heating load reduction
Yes
External fan relay
Yes
Reversing valve relay
Yes
Reversing valve lock protection
Yes
Sleep circuit
Yes
Heater operation at the time of sensor
No
dehumidification
Automatic blowing direction
Yes
Filter sign
Yes
Wireless mode
Cooling/Heating
Table 2 Sensor operation values
RAS-08CH9/10CH9
RAS-14CH9
Item
RAS-08CH9(B)/10CH9(B)
RAS-14CH9(B)
Cooling, Sensor
16
17.3
ON temperature
dehumidification
24
25.3
Thermostat
(Thermostat relay)
32
33.3
operation
power relay
Heating
16
18
(°C)
24
26
32
34
Differential (°C)
0.66
–
–
Low-temperature
(T1)
ON (°C)
1.0
defrosting
Reset (°C)
12.0
Preheating
Reset (°C)
17.0
ON (°C)
15.0
–
–
Pd cut 1
(T3)
ON (°C)
50.0
42
(T4)
Reset (°C)
47.0
38
Pd cut 2
(T6)
ON (°C)
63.0
(T7)
Reset (°C)
57.0
(T5) Fan Relay H [ Original (°C)
43.0
Pd cut 3
(T8)
ON (°C)
71.0
(T9)
Reset (°C)
63.0
Other detailed specifications
1.
When the room temperature rises
8.
After entry into trouble mode (when
within 3 minutes after thermostat
the indication lamp is flashing), the
OFF during cooling operation with
rapid feed mode can not be
automatic velocity, the blowing
changed.
velocity changes in the order of
→
→
S
L
H in the same way as
9.
When
operation
by
nice
temperature
reservation
is
at the time of thermostat ON.
executed during sleep operation,
normal operation will be continued,
2.
In case of Tele. control input during
and the advance time becomes the
stopped ON timer, operation will
temperature difference between the
be started at that time and the timer
set temperature without sleep shift
will be cleared.
and the room temperature.
3.
In case of Tele. control input during
10.
The 50 minutes of defrosting
operation of the OFF timer, the
prohibition are counted from
operation will be stopped at that
Thermostat ON after start/stop
time and the timer will be cleared.
switch ON. When the thermostat
is OFF at the time of start/stop
4.
Even when operation stop is
switch ON, the 60 minutes will be
executed at the time of outside fan
counted from the time of thermostat
OFF by overload, automatic fresh
ON. The initial OFF time is not
defrosting will not be executed.
counted. Counting starts when the
thermostat becomes ON, and the
5.
In case of switching to "Heating"
count then continues even if the
during
"Automatic"
heating
thermostat becomes OFF.
operation, the operation will be
continued as it is when the
11.
In case of switching from "Heating"
thermostat is ON. 3 min delay will
the reversing valve is held for 3
not be entered. However, the set
minutes.
room temperature and the blowing
velocity will be according to the
12.
The defrosting signal is not
remote control signal. The same
accepted with overload input, and
applies for switching from "Heating"
the operation becomes as shown
to "Automatic" heating.
below when the overload input
disappears.
6.
In case of switching from "Sensor
dehumidification" operation to
(1)
When
previously
the
"Cooling", as it is when the
defrosting signal existed
thermostat is ON. 3 min delay will
without overload input,
not be entered. However, the set
defrosting
will
start
room temperature and the blowing
immediately.
velocity will be according to the
remote control signal.
(2)
In cases other than the
The same applies for switching
above, defrosting will be
from
executed with a defrosting
"Cooling" to "Sensor dehumidifica-
signal in the condition
tion". The same also applies for
without overload input.
"Automatic" sensor dehumidifica-
tion, cooling "Sensor dehumidifica-
tion", "Cooling".
7.
The filter sign lights after operation
of the indoor fan for 100 hours.
The time is cleared when power
switch set to OFF and ON again.
– 43 –
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