NEC RSC1711 User manual
ROOM AIR CONDITIONER
OWNER'S MANUAL
MODEL NO: RSC1711, RSH1721
RSC2411, RSH2421
Thank you for purchasing the NEC room air-conditioner. All NEC products have been
carefully designed and prepared at the factory under strict quality guide lines.
We are confident that this product will give you daily comfort and satisfaction if it is handled
properly based on this owner’s manual.
Please read carefully and thoroughly these operating instructions before installing your room
air conditioner.
PRODUCT COMPONENT IDENTIFICATION ...............................................3
(1) Features ................................................................................................3
(2) Indoor Unit, Outdoor Unit ......................................................................4
(3) Name and Function-Remote Controller (Heating model).......................5
(4) Name and Function-Remote Controller (Cooling model).......................6
(5) Remote Controller Preparation .............................................................7
AIR CONDITIONER OPERATION ................................................................8
(1) Operation Mode ....................................................................................8
(2) Operation Procedure .............................................................................8
(3) Sleep Mode Auto-Control Setting ........................................................14
(4) Airflow Direction Procedure .................................................................15
(5) Setting the Present Time .....................................................................16
(6) ON/OFF Dual Timer Setting ................................................................17
(7) Operation Details ................................................................................19
FORCED OPERATION ................................................................................20
CARE AND MAINTENANCE ......................................................................21
OPERATION TIPS .......................................................................................23
CAUTION .....................................................................................................24
BEFORE CALLING FOR SERVICE ............................................................25
THIS IS NOT MALFUNCTION ....................................................................26
CONTENTS
— 2 —
PRODUCT COMPONENT IDENTIFICATION
— 3 —
CAUTION
of handling the Remote Controller
• Aim at the signal receptor on the room air
conditioner to operate.
• The remote control signal can be received at
a distance of up to about 7m.
• Be sure that there are no obstructions
between the remote controller and the signal
receptor.
• Do not drop or throw the remote controller.
Do not place the remote controller in a
location exposed to direct sunlight, or near
the heating unit, or any other heat source.
• Block a strong light over the signal receptor
with a curtain or etc. so as to prevent
abnomal operation.
(ex:electronic quick start, ELBA, inverter type
fluorescent lamp)
Wireless Remote Controller puts
all functions at your fingertips.
(1) Features
⁄ASoft Dry Operation Mode
page 10
This mode is designed to dehumidify without
overcooling.
⁄BFuzzy Operation Mode
page 13
In selecting this mode of operation, the
setting temperature, indoor fan speed, and
the desired operation mode are
automatically set by Fuzzy rule on the basis
of sensing the room temperature.
During Fuzzy Operation, the vertical louver
swings up and down automatically in
according to 1/f rhythm. Pressing the Airflow
Direction Control Button will set the louvers
as the desired position. If you want to go on
with the 1/f swing of the vertical louver, press
again the Airflow Direction Control Button.
⁄C
ON/OFF Dual Timer Setting
page 17~18
You can program the room air conditioner to
turn itself on or off so as to ensure you
maximum comfort when you return from
being away.
⁄DSleep Mode Auto Control
page 14
A touch of the Sleep Mode Button
automatically programs the room air
conditioner to turn off controls the indoor fan
speed, and adjusts the setting temperature
to create a more comfortable sleep.
Force Operation Button
Use for operation when the remote controller cannot be used.
(When operation is stopped by the remote control without
removing power plug, the room air conditioner consumes
approximately 2W of electricity.)
Signal Receptor
Receives the signals from the remote controller.
(Signal receiving sound:two short beeps or one long beep.)
Operation Indication Lamps
On/Off : Lights up during the air conditioner
operation.
Sleep Mode : Lights up during Sleep Mode Auto
operation.
Timer : Lights up during timer operation.
Deice Mode : Lights up during Deice Mode operation.
(Blinks on and off during hot start)
- Heating Model only
Outdoor Unit : Lights up during the outdoor unit's
Operation operation.- Cooling Model only
(2) Indoor Unit, Outdoor Unit
— 4 —
Open the front panel
Pull the panel to
open(left and right side
of front panel) and open
the panel upward.
Outdoor Unit
Indoor unit controls
and indicators
Air Intake Vent
(front panel)
Indoor Unit
Air Outlet Vent
Horizontal Airflow
Direction Louver
Remote Controller
Storage
Power Supply Cord
Air Filters
(behind front panel)
Panel Opening
(left and right)
Air Intake Vents
Air Outlet Vent
(Side)
(Rear)
Drain Hose
Piping
Vertical Airflow Direction Louver
(The air outlet vent opens when the operation starts.)
OUT
DOOR
(3) Name and Function-Remote Controller (Heating Model)
⁄AOperation display
Displays the operation conditions.
⁄BStart/Stop Button
Operation starts when this button is pressed, and
stops when the button is pressed again.
⁄COperation Mode Selection Button
Used to select the operation mode.
• Cooling Operation Mode.
• Soft Dry Operation Mode.
• Auto Operation.
• Heating Operation.(Heat Pump Only)
⁄DON Timer Button
Used to set the time of starting operation.
⁄EOFF Timer Button
Used to set the time of stopping operation.
⁄FTime Setting Button
Used to adjust the time.
⁄GTimer Set Button
Used to set the timer when the desired time is
obtained.
⁄HTimer CANCEL Button
Used to cancel the timer operation.
⁄ISleep Mode Auto Button
Used to set Sleep Mode Auto Operation.
⁄J
Air Circulation Button
Used to circulate room air without cooling.
⁄KRoom Temperature Checking Button
Used to check the room temperature.
⁄L
Airflow Direction Control Button
Used to set the desired vertical airflow direction.
⁄M
Reset Button
— 5 —
RESET
ON
TIME
a.m.
p.m.
OFF
TIME
a.m.
p.m.
Hr.
ON OFF
SET
CANCEL
1
2
9
10
3
4
5
6
78
12 13
11
AUTO
Remote Controller
Signal transmitter
Transmits the signals to the room
air conditioner.
(4) Name and Function-Remote Controller (Cooling Model)
⁄AOperation display
Displays the operation conditions.
⁄BStart/Stop Button
Operation starts when this button is pressed, and
stops when the button is pressed again.
⁄COperation Mode Selection Button
Used to select the operation mode.
• Cooling Operation Mode.
• Soft Dry Operation Mode.
• Auto Operation.
⁄DON Timer Button
Used to set the time of starting operation.
⁄EOFF Timer Button
Used to set the time of stopping operation.
⁄FTime Setting Button
Used to adjust the time.
⁄GTimer Set Button
Used to set the timer when the desired time is
obtained.
⁄HTimer CANCEL Button
Used to cancel the timer operation.
⁄ISleep Mode Auto Button
Used to set Sleep Mode Auto Operation.
⁄J
Air Circulation Button
Used to circulate room air without cooling or heating.
⁄KRoom Temperature Checking Button
Used to check the room temperature.
⁄L
Airflow Direction Control Button
Used to set the desired vertical airflow direction.
⁄M
Reset Button
— 6 —
RESET
ON
TIME
a.m.
p.m.
OFF
TIME
a.m.
p.m.
Hr.
ON OFF
SET
CANCEL
1
2
9
10
3
4
5
6
78
12 13
11
AUTO
Remote Controller
Signal transmitter
Transmits the signals to the room
air conditioner.
(5) Remote Controller Preparation
How to store the remote controller
— 7 —
1Pull the left and the right side to open the
front panel upward.
2Store the remote control.
3Press the left and the right side to close
the front panel.
1Use the screws to secure the holder to
the wall.
Confirm that the remote
control signals can reach
the signal receptor of unit.
2To attach the remote controller to the
holder.
3To remove.
RESET
RESET
RESET
1Remove the battery cover from the remote
controller.
• Slide the cover according to the arrow
direction.
2Insert the two batteries.
• Be sure that the (+) and (-) directions are
correct.
• Be sure that both batteries are new.
3Re-attach the cover.
• Slide it back into position.
• Do not use rechargeable
batteries, such batteries
differ from standard dry
cells in shape, dimensions,
and performance.
• Romove the batteries from
the remote controller if the
air conditioner is not going
to be used for some long
time.
How to insert batteries
(Remove for use.)
How to mount onto a wall
(1) Operation Mode
(2) Operation Procedure
ON
TIME
a.m.
p.m.
OFF
TIME
a.m.
p.m.
Hr.
1
2
3
4
AUTO
Heat pump model
Cooling model
AIR CONDITIONER OPERATION
— 8 —
1st
2nd
3rd
4th
Start/Stop Button
Operation Mode Selection
Button
Room Temperature Setting
Button
Indoor Fan Speed Selector
Cooling Mode
Soft Dry Mode
Auto Mode
(Heat Pump Model)
(Cooling Model)
Heating Mode
Cooling Mode
Soft Dry Mode
Auto Mode
⁄ACooling Operation Mode
( LED lamp ON)
— 9 —
2Select Cooling Operation.
Press the Operation Mode Selection Button.
Each time the button is pressed, the operation mode is shifted in the arrow direction.
• Select the fan speed in four steps
-low, medium, high, AUTO.
• The display shows high fan
speed.
Operation Display
Cooling Operation Soft Dry Operation Auto Operation
Heating Operation
(Heat pump model only)
1Press the Start/Stop Button.
4Set the fan speed.
3Set the temperature
lower than the room
temperature.
• The temperature can be set
within a range of 18°
C
~ 30°
C
by
1°
C
.
To raise the Temperature
To lower the Temperature
• Two short beeps will sound and the
operation lamp will light up.
Beep, Beep
●Each time the button is pressed, the fan speed mode is
altered.
⁄BSoft Dry Operation Mode
This mode dehumidifies without overcooling.
( LED lamp ON)
— 10 —
3Set the Temperature lower than the room temperature.
4During Dry Operation
• The indoor fan speed is automatically set to low, so the shift of the indoor fan speed is
impossible because of already being set to the best speed for Dry Operatrion by Micom
Control.
• The indoor fan may be stopped to prevent overcooling.
2Select Soft Dry Operation.
Press the operation Mode Selection Button.
Each time the button is pressed, the operation mode is shifted in the arrow direction.
• The temperature can be set
within a range of 18°C~30°C by
1°C.
1Press the Start/Stop Button.
Operation Display
• Two short beeps will sound and the
operation lamp will light up.
To raise the Temperature
To lower the Temperature
Beep, Beep
Cooling Operation Soft Dry Operation Auto Operation
Heating Operation
(Heat pump model only)
This manual suits for next models
3
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