Fujitsu ASU18C1 User Manual

En-7
OPERATION
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SLEEP TIMER
SET
TIME
SET
TEMP
MASTER
CONTROL
FAN
CONTROL
START
STOP
.
COOL
SLEEP TIMER
SET
TIME
SET
TEMP
MASTER
CONTROL
FAN
CONTROL
START
STOP
.
AUTO
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
To Select Mode Operation
1
Press the START/STOP button.
The indoor unit’s OPERATION indicator light (red) will be on.
The air conditioner will start operating.
2
Press the MASTER CONTROL button to select the de-
sired mode.
Each time the button is pressed, the mode will change in the following
order.
AUTO COOL DRY
*HEAT FAN
About three seconds later, the entire display will reappear.
To Set the Thermostat
Press the SET TEMP. buttons.
button: Press to raise the thermostat setting.
button: Press to lower the thermostat setting.
●Thermostat setting range:
AUTO .................................. 64 to 88 °F
* Heating ............................... 60 to 88 °F
Cooling/Dry ........................ 64 to 88 °F
The thermostat cannot be used to set room temperature during the FAN mode (the
temperature will not appear on the remote control unit’s display).
About three seconds later, the entire display will reappear.
The thermostat setting should be considered a standard value, and may differ
somewhat from the actual room temperature.
To Set the Fan Speed
Press the FAN CONTROL button.
Each time the button is pressed, the fan speed changes in the following order:
AUTO HIGH MED LOW
About three seconds later, the entire display will reappear.
When set to AUTO:
* Heating : Fan operates so as to optimally circulate warm air.
However, the fan will operate at very low speed when the temperature
of the air from the indoor unit is low.
Cooling : As the room temperature approaches that of the thermostat setting,
the fan speed becomes slower.
Fan : The fan alternately turns on and off; when on, the fan runs at the low
fan speed.
The fan will operate at a very low setting during Monitor operation
and at the start of the Heating mode.
To Stop Operation
Press the START/STOP button.
The OPERATION indicator light (red) will turn off.
SLEEP TIMER
SET
TIME
SET
TEMP
MASTER
CONTROL
FAN
CONTROL
START
STOP
.
Example: When set to COOL
Example: When set to 82˚F
Example: When set to AUTO

Fujitsu ASU18C1 Specifications

General

Type	Split System
Power Supply	220-240V, 50Hz
Refrigerant	R410A
Cooling Capacity	5.2 kW
Heating Capacity	18000 BTU/h

Summary

Safety Precautions

Features and Functions

Automatic Operation

Explains how the unit starts operation automatically in Cooling, Dry, or Heat modes.

Sleep Timer

Details how the sleep timer adjusts temperature settings for comfort during operation.

Removable Intake Grille

Notes the intake grille can be removed for easy cleaning and maintenance.

Mildew-Resistant Filter

Describes the air filter treated to resist mildew for cleaner use and easier care.

Air Cleaning Filter (Optional)

Explains the optional filter uses an electrostatic principle to clean the air.

Omni-Directional Air Flow (Swing Operation)

Covers three-dimensional air direction control via UP/DOWN and RIGHT/LEFT flaps.

Name of Parts

Preparation

Load Batteries

Instructions for loading batteries into the remote control unit.

Set the Current Time

Steps to set the current time on the remote control unit.

To Use the Remote Control Unit

Guidelines for operating the remote control unit effectively.

Operation

Select Mode Operation

How to choose between AUTO, COOL, DRY, HEAT, and FAN modes.

Set the Thermostat

Instructions for adjusting the desired temperature setting for the unit.

Set the Fan Speed

Guidance on selecting the appropriate fan speed for operation.

Stop Operation

Procedures for turning off the air conditioner.

About Mode Operation

Detailed explanation of how AUTO, Heating, Cooling, Dry, and Fan modes work.

Timer Operation

Use ON Timer or OFF Timer

Steps to set the unit to turn on or off at a specific time.

Use the PROGRAM Timer

How to set integrated ON and OFF timer sequences.

Sleep Timer Operation

Use the SLEEP Timer

How to activate and set the sleep timer function.

Change Timer Settings

Instructions for modifying existing timer settings.

Adjusting the Direction of Air Circulation

Vertical Air Direction Adjustment

How to adjust the up-down airflow direction using the remote.

Horizontal Air Direction Adjustment

How to adjust the right-left airflow direction using the remote.

Swing Operation

Select Vertical Airflow SWING Operation

How to enable automatic vertical airflow swing.

Select Horizontal Airflow SWING Operation

How to enable automatic horizontal airflow swing.

Energy Save Operation

How To Use the ENERGY SAVE Operation

Steps to activate the energy-saving mode.

About the ENERGY SAVE

Explanation of how the energy-saving mode works.

Manual Auto Operation

How To Use the Main Unit Controls

Guide for operating the unit using its main control panel.

Cleaning and Care

Cleaning the Intake Grille

Instructions for removing and cleaning the air conditioner's intake grille.

Cleaning the Air Filter

Steps for removing, cleaning, and replacing the air filter.

Optional Air Cleaning Filter

Information on installing and using the optional air cleaning filter.

Troubleshooting

Check Once More

Provides a checklist of common issues and their potential causes.

Operating Tips

Operation and Performance

Discusses factors affecting heating performance and general operation.

Low Ambient Cooling

Explains fan speed behavior in low outdoor temperatures.

Auto Restart

Details how the air conditioner restarts after a power interruption.

Temperature and Humidity Range

Specifies the operating ranges for temperature and humidity.