Fujitsu ASU30RLE Original operating manual

SPLIT TYPE
ROOM AIR CONDITIONER
WALL MOUNTEDtype
Models Indoor unit Outdoor unit
INVERTER
SERVICE
INSTRUCTION
R410A
ASU30RLE AOU30RLXEH

CONTENTS
1. DESCRIPTION OF EACH CONTROL OPERATION
1-1 COOLING OPERATION............................................................................................ 01-01
1-2 HEATING OPERATION............................................................................................. 01-02
1-3 DRY OPERATION..................................................................................................... 01-02
1-4 AUTO CHANGEOVER OPERATION........................................................................ 01-03
1-5 INDOOR FAN CONTROL.......................................................................................... 01-04
1-6 OUTDOOR FAN CONTROL...................................................................................... 01-07
1-7 LOUVER CONTROL.................................................................................................. 01-08
1-8 COMPRESSOR CONTROL....................................................................................... 01-09
1-9 TIMER OPERATION CONTROL............................................................................... 01-10
1-10 ELECTRONIC EXPANSION VALVE CONTROL.................................................... 01-14
1-11 TEST OPERATION CONTROL............................................................................... 01-14
1-12 PREVENT TO RESTART FOR 3 MINUTES............................................................ 01-15
1-13 4-WAY VALVE EXTENSION SELECT.................................................................... 01-15
1-14 AUTO RESTART..................................................................................................... 01-15
1-15 MANUAL AUTO OPERATION................................................................................. 01-15
1-29 PUMP DOWN........................................................................................................... 01-20
1-16 COMPRESSOR PREHEATING............................................................................... 01-16
1-17 POWERFUL OPERATION....................................................................................... 01-16
1-19 ECONOMY OPERATION......................................................................................... 01-16
1-30 DEFROST OPERATION CONTROL....................................................................... 01-21
1-31 OFF DEFROST OPERATION CONTRO................................................................. 01-23
1-18 MINIMUM HEAT OPERATION................................................................................ 01-16
1-32 VARIOUS PROTECTIONS...................................................................................... 01-24
1-25 FORCED COOLING OPERATION........................................................................... 01-19
1-26 HEAT INSULATION CONDITION (When using the wireless RC)........................... 01-19
1-27 THERMO CONTROL (FOR INDOOR UNIT SENSOR)........................................... 01-19
1-28 THERMO CONTROL (FOR WIRED REMOTE SENSOR)....................................... 01-19
1-20 COMPRESSOR STOP OPERATION........................................................................ 01-17
1-21 LOW NOISE OPERATION....................................................................................... 01-17
1-22 HUMAN SENSOR OPERATION.............................................................................. 01-18
1-23 BASE HEATER OPERATION.................................................................................. 01-18
1-24 PEAK CUT OPERATION.......................................................................................... 01-18
1-33 DESCRIPTION OF DISPLAY UNIT......................................................................... 01-27
1-33-1 LAYOUT OF DISPLAY UNIT............................................................................ 01-27
1-33-2 DISPLAY MODE............................................................................................... 01-28
1-33-3 ERROR HISTORY MODE................................................................................. 01-29

2-1-1 INDOOR UNIT AND WIRED REMOTE CONTROLLER DISPLAY.....................
2-1 ERROR DISPLAY......................................................................................................
2. TROUBLE SHOOTING
2-2 TROUBLE SHOOTING WITH ERROR CODE..........................................................
2-3 TROUBLE SHOOTING WITH NO ERROR CODE....................................................
2-4 SERVICE PARTS INFORMATION............................................................................
02-01
02-01
2-1-2 WIRED REMOTE CONTROLLER DISPLAY...................................................... 02-02
02-37
02-04
02-46
2-1-3 OUTDOOR UNIT DISPLAY................................................................................ 02-03
3-3 EXTERNAL INPUT AND OUTPUT............................................................................ 03-10
3-1 FUNCTION SETTING................................................................................................
3. APPENDING DATA
03-01
3-2 THERMISTOR RESISTANCE VALUES.................................................................... 03-09

1 . DESCRIPTION OF EACH
CONTROL OPERATION
R410A
WALL MOUNTED type
INVERTER

01-01
A sensor (room temperature thermistor) built in the indoor unit will usually perceive
difference or variation between a set temperature and present room temperature, and
controls the operation frequency of the compressor.
If the room temperature is 7.0°F(3.5°C) higher than a set temperature,
the compressor operation frequency will attain to maximum frequency.
If the room temperature is 1.0°F(0.5°C) lower than a set temperature, the compressor
will be stopped.
When the room temperature is between +7.0°F(3.5°C) to -1.0°F(0.5°C) of the setting temperature,
the compressor frequency is controlled within the range shown in Table1.
However, the maximum frequency is limited in the range shown in Fig.1 based on the
fan speed mode and the outdoor temperature.
AOU30RLXEH
( Table 1 : Compressor frequency range )
46 rps
A zone
Hi
Indoor fan mode
Me Lo Quiet
Outdoor
temp. zone
B zone
C zone
D zone
E zone
F zone
46 rps
46 rps
33 rps
33 rps
33 rps
31 rps
31 rps
31 rps
27 rps
27 rps
27 rps
25 rps
25 rps
25 rps
23 rps
23 rps
23 rps
17 rps
17 rps
17 rps
17 rps
17 rps
17 rps
Minimum
frequency
Maximum
frequency
AOU30RLXEH 17 rps 46 rps
( Fig 1 : Limit of maximum frequency based on outdoor temperature )
A zone
B zone
C zone
D zone
E zone
F zone
96.8°F
(36°C)
89.6°F
(32°C)
69.8°F
(21°C)
53.6°F
(12°C)
35.6°F
(2°C)
When the room
temperature rises
(34°C)
93.2°F
86°F
(30°C)
66.2°F
(19°C)
50.0°F
(10°C)
32°F
(0°C)
When the room
temperature drops
.
.
.
1-1 COOLING OPERATION

1-2. HEATING OPERATION
A sensor (room temperature thermistor) built in the indoor unit will usually perceive
difference or variation between a set temperature and present room temperature,
and controls the operation frequency of the compressor.
If the room temperature is lower 9°F(4.5°C) than a set temperature,
the compressor operation frequency will attain to maximum frequency.
If the room temperature is higher 1°F(0.5°C) than a set temperature, the compressor will be stopped.
When the room temperature is between +1°F(0.5°C) to -9°F(4.5°C) of the setting temperature,
the compressor frequency is controlled within the range shown in Table 2.
.
.
.
( Table 2 : Compressor frequency range )
Minimum
frequency
Maximum
frequency
AOU30RLXEH 18 rps 45 rps
Frequency
AOU30RLXEH X zone
J zone 17 rps
15 rps
0 rps
Y zone
1-3. DRY OPERATION
The compressor rotation frequency shall change according to set temperature and room
temperature variation which the room temperature sensor of the indoor unit has detected
as shown in the Table 3.
Room temperature Room temperature
Ts -1°F
(Ts -0.5°C)
Ts -3°F
(Ts -1.5°C)
( Fig.2 : Compressor control based on room temperature )
Ts : Setting temperature
X zone
Y zone
( Table 3 : Compressor frequency range )
Ts +3°F
(Ts +1.5°C)
(Ts +0.5°C)
Ts +1°F
J zone
01-02

1-4. AUTO CHANGEOVER OPERATION
When the air conditioner is set to the Auto mode by remote controller, operation starts in the optimum
mode from among the Heating, Cooling, Dry and Monitoring mode.
During operation, the optimum mode is automatically switched in accordance with temperature changes.
The temperature can be set between 64°F (18°C) and 86°F (30°C) in 2°F (1°C) steps.
01-03
START
Room temp.
Ts + 4°F(2°C)?
COOLING (AUTO:DRY)
OPERATION
HEATING OPERATION
YES
YES
NO
NO
NO
AUTO CHANGEOVER operation flow chart
TS:Setting temperature
Room temp.
Thermostat remains
in OFF state for 6 minutes or
longer?
System stops
or operation command other than
auto changeover operation?
NO
Thermostat remains
in OFF state for 6 minutes or
longer?
System stops
or operation command other than
auto changeover operation?
Middle zone
NO
Operation mode
of outdoor unit : Cooling or Dry?
YES
NO
Operation mode
of outdoor unit : Heating?
YES
NO
YES
Outdoor temperature
77°F(25°C)?
NO
YES
YES
NO
YESYES
Ts - 4°F(2°C)?

1-5. INDOOR FAN CONTROL
1. Fan speed
( Table 5 : Indoor fan speed )
Operation mode Air flow mode Speed (rpm)
Cooling /
Heating
Dry X : 780
J : 680
Hi
Powerful
Powerful
Me+
Me
Lo
Quiet
Cool air prevention
Hi
Me
Lo
Quiet
S-Lo
1370
1520
1150
1260
950
780
600
1370
1520
950
1150
780
540
2. FAN OPERATION
The airflow can be switched in 5 steps such as Auto, Quiet, Low, Med, High, while the indoor fan only runs.
4. DRY OPERATION
The airflow can be switched in 5 steps such as Auto, Quiet, Low, Med, High, while the indoor fan only runs.
3. COOLING OPERATION
Switch the airflow [Auto], and the indoor fan motor will run according to a room temperature, as shown in Fig.7.
On the other hand, if switched in [High] [Quiet], the indoor motor will run at a constant airflow of [Cool]
operation modes Quiet, Low, Med, High, as shown in Table 5.
( Fig.5 : Airflow change - over ( Cooling : Auto ) )
When the room
temperature rises
When the room
temperature drops
Tr : Room temperature
Ts : Setting temperature
Tr-Ts > 4°F
(2°C)
(2°C)
=
2°F
(1°C)
> Tr-Ts
4°F > Tr-Ts > 2°F
(1°C)
=
Tr-Ts > 5°F
(2.5°C)
=
3°F
(1.5°C)
> Tr-Ts
5°F
(2.5°C)
> Tr-Ts > 3°F
(1.5°C)
=
Hi
Me
Lo
01-04

4. HEATING OPERATION
Switch the airflow [AUTO], and the indoor fan motor will run according to a room temperature,
as shown in Fig.6.
On the other hand, if switched in [High] [Quiet], the indoor motor will run at a constant airflow
of [Heat] operation modes Quiet, Low, Med, High, as shown in Table 5.
( Fig.6 : Airflow change - over ( Heating : Auto ) )
5. COOL AIR PREVENTION CONTROL
The maximum value of the indoor fan speed is set as shown in Fig.7, based on the detected
temperature by the indoor heat exchanger sensor on heating mode.
When the compressor does not operate, the indoor fan motor operates [S-Lo] or [Stop] mode.
( Fig.7 : Cool air prevention control )
107.6°F
(42°C)
86°F
(30°C)
93.2°F
(34°C)
102.2°F
(39°C)
98.6°F
(37°C)
98.6°F
(37°C)
89.6°F
(32°C)
82.4°F
(28°C)
Cool air
prevention
S-Lo
Indoor heat exchanger
temperature rises Indoor heat exchanger
temperature drops
Hi
*Me+
or setting fan mode
*Lo
or setting fan mode
*Lo
or setting fan mode
*Lo
or setting fan mode
*Lower speed is selected.
Indoor heat exchanger
temperature rises Indoor heat exchanger
temperature drops
Hi
*Me+
or setting fan mode
*Lo
or setting fan mode
*Lower speed is selected.
10 min. later
107.6°F
(42°C)
86°F
(30°C)
102.2°F
(39°C)
98.6°F
(37°C)
93.2°F
(34°C)
98.6°F
(37°C)
89.6°F
(32°C)
82.4°F
(28°C)
TR-Ts > -3°F
(-1.5°C)
=
-5°F > TR-Ts
(-2.5°C)
-3°F > TR-Ts > -5°F
(-1.5°C) (-2.5°C)
=
TR-Ts > -2°F
(-1°C)
=
-4°F > TR-Ts
(-2°C)
-2°F > TR-Ts > -4°F
(-1°C) (-2°C)
=
When the room
temperature rises When the room
temperature drops
TR : Room temperature
Ts : Setting temperature
Lo
Me
Me+
6. DEFROST OPERATION
When the defrost operation starts, the indoor fan runs according to cool air prevention control for 20 seconds.
And the fan is stopped if 20 seconds have passed.
When 60 seconds have passed after defrost operation is released,
the fan runs according to cool air prevention control.
01-05

Compressor
ON
OFF
Indoor fan
Setting air flow
OFF
10 30 60 180 60 180 60 10 30 (sec)
S-Lo
480rpm
( Fig.9 : Indoor fan control )
9. FAN CONTROL FOR ENERGY SAVING
When the air flow setting except AUTO mode, the indoor fan motor will run as shown in Fig. 9.
( Factory setting)
Setting Description Function Number Setting Value
Disable
Enable
Remote controller
49
02
00
01
00 : When the outdoor unit is stopped, the indoor unit fan operates continuously following
the setting on the remote controller.
01 : When the outdoor unit is stopped, the indoor unit fan operates intermittently at a very low speed.
02 : Enable or disable this function by remote controller setting.
Set to “00”or “01”when connecting a remote controller that cannot set
the Fan control for energy saving function or connecting a network converter.
To confirm if the remote controller has this setting,
refer to the operating manual of each remote controller.
Switch the airflow [AUTO] at cooling mode, addition, in the case of Energy saving setting "ON"
and the indoor fan motor will run as shown in Fig. 8.
8. MOISTURE RETURN PREVENTION CONTROL (Cooling mode& Dry mode)
( Fig. 8 : Indoor Fan Control )
Compressor
ON
OFF
Indoor fan
Setting air flow
Indoor fan
(as shown in Table 5)
S-Lo
OFF
10 30 60 180 60 180 60 10 30
(SEC)
( Table 6 : Indoor fan speed )
X zone J zone Y zone
ASU30RLE 780rpm 680rpm 540rpm 780rpm
Dry Cooling
01-06

1-6. OUTDOOR FAN CONTROL
1. Fan Speed
Following table shows the fan speed of the outdoor unit.
( Table 7 : Fan speed of the outdoor unit )
Upper fan
Lower fan
The outdoor fan speed is decided depending on the compressor and the outdoor temperature.
The compressor and the fan start-up at the same time,
and the fan stops after the compressor stops and 60 seconds has passed.
Cooling
850/ 780/ 520/ 480/ 400/ 350/ 280 rpm
800/ 750/ 520/ 350/ 280/ 0 rpm
AOU30RLXEH
Upper fan
Lower fan
Heating
870/ 780/ 520/ 350/ 200/ 170/ 150 rpm
840/ 750/ 520/ 350/ 200/ 170/ 150 rpm
AOU30RLXEH
.
.
01-07

1-7. LOUVER CONTROL
1. VERTICAL LOUVER CONTROL
Each time the button is pressed, the air direction range will change as follow:
(Function Range)
Use the air direction adjustments within the ranges shown above.
The Remote Controller's display does not change.
( Fig. 10 : Vertical air direction range )
( Fig. 11 : Horizontal air direction range )
The vertical airflow direction is set automatically as shown, in accordance with the type of operation selected.
During Cooling / Dry mode : Horizontal flow
During Heating mode : Downward flow
During AUTO mode operation, for the first a few minutes after beginning operation,
airflow will be horizontal ① ; the air direction cannot be adjusted during this period.
The airflow direction setting will temporarily become ①when the temperature of
the airflow is low at the start of the Heating mode.
After beginning of AUTO/HEAT mode operated and automatic defrosting operation time,
the air flow will be horizontal ①.
However, the Airflow Direction cannot be adjusted at beginning AUTO operation mode.
Cooling / Dry mode
Heating mode
3. SWING OPERATION
When the swing signal is received from the remote controller, the vertical louver starts to swing.
( Table 8 : Swinging range )
Range
To select Vertical Airflow Swing Operation
To select Horizontal Airflow Swing Operation
When the swing signal is received from the remote controller, the horizontal louver starts to swing.
To select Vertical and Horizontal Airflow Swing Operation
When the indoor fan is S-Lo or Stop mode, the swing operation is interrupted and it stops
at either upper end or bottom end.
When the indoor fan is S-Lo or Stop mode, the swing operation is interrupted
and it stops at either upper end or bottom end.
When the horizontal swing signal is input from remote control, the combination of the vertical
and horizontal swing operation is performed.
2. HORIZONTAL LOUVER CONTROL
Each time the button is pressed, the air direction range will change as follows.
(Function Range)
①
②
③
④
⑤⑥
① ② ③ ④ ⑤
①
⑤
⑥
① ② ③
④
⑤
① ④

①②
③
④
⑤
⑤
⑥
③
Fan mode ( ① ～ ③ )
Fan mode ( ④ ～ ⑥ )
All mode
( Table 9 : Swinging range )
Range
①
01-08

1-8. COMPRESSOR CONTROL
1. OPERATION FREQUENCY RANGE
The operation frequency of the compressor is different based on the operation mode as shown in Table 10.
( Table 10 : Compressor operation frequency range )
AOU30RLXEH 15rps 55rps
Min Max
Cooling
18rps 80rps
Min Max
Heating
Tc : Compressor temperature
Condition
Mode: Cooling
Mode: Heating
Ta > 50°F(10°C),
Below 3 hours from comp stop
Below 3 hours from comp stop
2. OPERATION FREQUENCY CONTROL AT START UP
The compressor frequency soon after the start-up is controlled as shown in Fig.12.
(Fig.12 : Compressor Control at Start-up)
Upper
limit
speed
Upper
limit
speed
Upper
limit
speed
Upper
limit
speed
Elapsed time
Elapsed time
Elapsed time
Elapsed time Ta : Outdoor temperature
< Normal start-up >
=
60
28
40
54
70
180 270 360
30 120 300 650
30 270 480 560 620 650 (sec)
(sec)
(sec)
(sec)
16
25
54
40
28
70
(rps)
(rps)
(rps)
(rps)
16
25
54
70
70
60 180 300 620 720
28
30
54
40
Condition
Mode: Heating
Ta < 50°F(10°C)
Condition
Mode: Heating
Ta > 50°F(10°C)
Condition
Mode: Cooling
3 hours or longer from comp stop
=
Tc > 89.6°F(32°C)
Tc > 89.6°F(32°C)
=
3 hours or longer from comp stop
3 hours or longer from comp stop
01-09

1-9. TIMER OPERATION CONTROL
1. ON / OFF TIMER
OFF timer : When the clock reaches the set time, the air conditioner will be turned off.
Operation mode
Stop mode
Set time of timer
ON timer : When the clock reaches the set time, the air conditioner will be turned on.
Operation mode
Stop mode
Set time of timer
2. PROGRAM TIMER
The program timer allows the OFF timer and ON timer to be used in combination one time.
Operation mode
Operation will start from the timer setting (either OFF timer or ON timer)
whichever is closest to the clock's current timer setting.
The order of operations is indicated by the arrow in the remote control unit's display.
SLEEP timer operation cannot be combined with ON timer operation.
Stop mode Stop mode Stop mode
Operation mode Operation mode
Set time Set time Set time Set time
1-9-1 Wireless Remote Controller
The Table 11 show the available timer setting based on the product model.
( Table 11 : Timer setting )
ASU30RLE
ON / OFF TIMER PROGRAM TIMER SLEEP TIMER WEEKLY TIMER
01-10

3. SLEEP TIMER
If the sleep timer is set, the room temperature is monitored and the operation is stopped automatically.
If the operation mode or the set temperature is change after the sleep timer is set, the operation is
continued according to the changed setting of the sleep timer from that time ON.
Set temperature rises
( Ts : Set temperature )
Stop of operation
Set temperature lowers
( Ts : Set temperature )
Ts
Stop of operation
In the COOLING operation mode
When the sleep timer is set, the setting temperature is increased 2°F (1°C) .
It increases the setting temperature another 2°F (1°C) after 1 hour.
After that, the setting temperature is not changed and the operation is stopped at the time
of timer setting.
Ts
Set 60min
In the HEATING operation mode
When the sleep timer is set, the setting temperature is decreased 2°F (1°C).
It decreases the setting temperature another 2°F (1°C) every 30 minutes.
Upon lowering 8°F (4°C), the setting temperature is not changed and the operation stops
at the time of timer setting.
Set 30min 60min 90min
+4°F(2°C)
+2°F(1°C)
-2°F (-1°C)
-4°F (-2°C)
-6°F (-3°C)
-8°F (-4°C)
01-11
4. WEEKLY TIMER
ON and OFF timer can be combined, and up to 4 reservations per day and 28 reservations per week.
Before setting the program, please set the week and time of the air conditioner first.
If the week and time are not set, the weekly timer will not operate correctly at the set time.

1-9-2 Wired Remote Controller
01-12
1. ON / OFF TIMER
OFF timer : When the clock reaches the set time, the air conditioner will be turned off.
Operation mode
Stop mode
Set time of timer
ON timer : When the clock reaches the set time, the air conditioner will be turned on.
Operation mode
Stop mode
Set time of timer
The weekly timer allows up to two ON and OFF time to set up per day.
Use this timer function to set operating time for each day of the week.
Operation mode
The operating time can be set in 30 min increments only.
The OFF time can be carried over to next day.
The ON timer and the OFF timer functions cannot be set with using the weekly timer.
Both ON and OFF time must be set.
2. WEEKLY TIMER
2-1. WEEKLY TIMER
Stop mode Stop mode Stop mode
Operation mode Operation mode
Set time Set time Set time Set time
AR-WEC1E(2 wire remote controller)
ON / TIMER
*3 wire remote controller can be connected
If 3 wire remote controller is connected, set the DIP-SW on the controller PCB
Refer to the installation manual for detailed.
Sleep timer
Timer
10°C heat operation
If used in combination with wireless and wired remote controller, the following function is limited.
OFF / TIMER
WEEKLY TIMER

The DAY OFF setting is only available for days for which weekly settings already exist.
The DAY OFF setting can only be set one time. The DAY OFF setting is cancelled automatically
after the set day has passed.
Normal
Next day setting
If the operating time carries over to the next day (during a next day setting), the effective
DAY OFF range will be set as shown below.
2-2. DAY OFF setting
Stop mode Stop mode
Operation mode
Stop mode
Operation mode
Preceding day Next day
DAY OFF
Stop mode Stop mode
Operation mode
Stop mode
Operation mode
DAY OFF
Setting day
Preceding day Next daySetting day
01-13

1-10. ELECTRONIC EXPANSION VALVE CONTROL
1-11. TEST OPERATION CONTROL
Under the condition where the air conditioner stops, press the MASTER CONTROL button and
the FAN CONTROL button simultaneously for 2 seconds or more, and the test operation control
mode will appear.
During test running, " " will display on the remote controller display.
Set the test operation mode, and the compressor will continue to run regardless of whatever
the room temperature sensor detects.
The test operation mode is released if 60 minutes have passed after setting up the test operation.
With Wired Remote Controller
The most proper opening of the electronic expansion valve is calculated and controlled under the
present operating condition based on the following values.
The compressor frequency, the temperatures detected by the discharge temperature sensor,
the indoor heat exchanger sensor, the outdoor heat exchanger sensor, and the outdoor temperature sensor.
Pulse range
50 480 pulse
The EEV is set up at 480 pulses when the compressor is stopped.
Initialization (Input of 528 pulses toward closing direction) is operated under the following condition.
* When the power is turned on.
* 4 hours has passed since the last initialization, and 3 minutes has passed after the compressor stop.
(If 12 hours has passed since the last initialization, the compressor is compulsorily stopped.)
AOU30RLXEH
( Table 13 : The pulse range of the electronic expansion valve control )
Cooling / Dry
Heating
Operation
Under the condition where the air conditioner runs, press the TEST RUN button, and
the test operation control mode will appear.
During test running, the Operation LED and Timer LED of the air conditioner body blinks simultaneously.
Set the test operation mode, and the compressor will continue to run regardless of whether the room
temperature sensor detects.
The test operation mode is released if 60 minutes have passed after setting up the test operation.
With Wireless Remote Controller
60 480 pulse
With Outdoor Unit
Make sure that the outdoor unit in standby mode (LED POWER/MODE lights up)
Press the ENTER button for more than 3 seconds.
Select the operation mode (Cool / Heat) by SELECT button.
(L3 blink: Cool / L2 blink: Heat)
TEST operation starts by bressing ENTER button.
(L3 lights ON: test in cooling / L2 lights ON: test in heating)
By pressing ENTER button, the test operation stops.
UTY-RVNUM
Press the [Menu button] twice while “Monitor ” screen is displayed, it switches to the “Submenu” screen.
Press the [Screen switch button (Left)] and [Screen switch button (Right)] simultaneously for 5 seconds
to switch to “Service” screen.
Select [Test run] with the [Cursor button (Up/Down)] and press the [Enter button],
To start the test run, select “Yes” with the [Cursor button (Left/Right)], and press the [Enter button].
In Set temp., test run is displayed.
01-14

At the time when the air conditioner is switched from the Cooling mode to Heating mode,
the compressor is stopped, and the 4-way valve is switched in 3 minutes later after the compressor stopped.
1-13. 4-WAY VALVE EXTENSION SELECT
1-14. AUTO RESTART
1-15. MANUAL AUTO OPERATION (When using the Wireless RC)
If MANUAL / AUTO Button is pushed for less than 10 seconds,
the operation is controlled as shown in Table 9.
If the remote control is lost or battery power dissipated, this function will work without the remote control.
Operation mode Auto changeover
Auto
Normal
Normal
Continuous (No timer setting available)
75°F (24°C)
( Table 14 : Manual auto operation )
Setting temp.
Vertical louver
Horizontal louver
OFF
Economy
OFF
Swing
Fan control mode
Timer mode
The compressor won't enter operation status for 3 minutes after the compressor is stopped,
even if any operation is given.
1-12. PREVENT TO RESTART FOR 3 MINUTES ( 3 MINUTES ST )
01-15
When the power was interrupted by a power failure, etc. during operation, the operation contents
at that time are memorized and when power is recovered, operation is automatically resumed with
the memorized operation contents.
When the power is interrupted and recovered during timer operation, timer operation is canceled,
but only setting time is memorized.
[Operation contents memorized when the power is interrupted]
Operation mode
Air flow direction (Swing setting)
Individual air flow direction (Swing setting)
Human sensor auto saving (setting/timer)
Human sensor auto off (setting/timer)
Energy saving setting
Set temperature
Set air flow
Timer mode and timer time (Set by wireless remote controller)
MIN. HEAT (Wireless remote controller is in use)
Each central setting
ECONOMY

1-16. COMPRESSOR PREHEATING
1-18. MINIMUM HEAT OPERATION
1-17. POWERFUL OPERATION
The MINIMUM HEAT operation functions by pressing MIN. HEAT button on the remote controller.
The MINIMUM HEAT operation can be set by the wireless remote controller.
* The timer and MINIMUM HEAT (Wireless R.C. only) functions of the remote controller specified
as the secondary cannot be used.
Mode Heating
Setting temperature 50°F (10°C)
Fan mode AUTO
( Table 17 : Minimum heat operation )
1-19. ECONOMY OPERATION
The ECONOMY operation functions by pressing ECONOMY button on the remote controller.
The ECONOMY operation is almost the same operation as below settings.
Mode Cooling/ Dry Heating
Target temperature Setting temp.+2°F (+1°C) Setting temp.-2°F (-1°C)
( Table 18 : Economy operation )
The POWERFUL OPERATION functions by pressing POWERFUL button on the remote controller.
The indoor unit & outdoor unit will operate at maximum power as shown in Table 16.
Release Condition is as follows.
[Cooling / Dry]
- Room tenperature < Setting temperature -1°F(- 0.5°C) or Operation time has passed 20 minutes.
COMPRESSOR FREQUENCY Maximum
FAN CONT. MODE Powerful
SETTING LOUVER Cooling/ Dry : 3, Heating : 5
( Table 16 : Powerful operation )
Powerful operation
=
=
[Heating]
- Room tenperature > Setting temperature +1°F(+ 0.5°C) or Operation time has passed 20 minutes.
When the outdoor temperature is lower than 68°F (20°C) and the all operation mode has been
stopped for 30 minutes, power is applied to the compressor and the compressor is heated.
(By heating the compressor, warm air is quickly discharged when operation is started.)
When operation was started and when the outdoor temperature rises to 78.8°F (26°C) or greater,
preheating is ended.
01-16