Fujitsu Inverter Halcyon ASU9R2 User Manual

Fujitsu Inverter Halcyon ASU9R2

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P/N9314251030-01

English

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Indoor Unit

ASU9R2

ASU12R2

Outdoor Unit

AOU9R2

AOU12R2

KEEP THIS OPERATION MANUAL

FOR FUTURE REFERENCE

FUJITSU GENERAL LIMITED

OPERATING MANUAL

MODE D’EMPLOI

MANUAL DE FUNCIONAMIENTO

HEAT & COOL MODEL

(REVERSE CYCLE)

ROOM AIR CONDITIONER

WALL MOUNTED TYPE

Table of Contents

Questions and Answers:

K
kshafferAug 12, 2025
Why is my Fujitsu Inverter Halcyon ASU9R2 not cooling or heating properly?
- E
  ericbradleyAug 12, 2025
  Several factors can impact the cooling or heating performance of your Fujitsu Air Conditioner. Check the following: * Ensure the air filter is clean. * Make sure the air intake grille or outlet port isn't blocked. * Verify the room temperature settings (thermostat) are correctly adjusted. * Close any open windows or doors. * For cooling, close curtains to block direct sunlight and reduce heat-generating appliances or overcrowding. * Check if the unit is set to SUPER QUIET operation.
L
Lori GrantAug 16, 2025
What to do if my Fujitsu Inverter Halcyon ASU9R2 Air Conditioner doesn't operate at all?
- J
  Janet LamAug 16, 2025
  If your Fujitsu Air Conditioner isn't operating, check the following: * Ensure the Power Supply Plug is properly connected to the outlet. * Verify there hasn't been a power failure. * Check if a fuse has blown or a circuit breaker has tripped. * Confirm the timer isn't operating.
E
Erica HortonAug 20, 2025
Why is water produced from the outdoor unit of my Fujitsu Inverter Halcyon ASU9R2?
- A
  Ashley StephensAug 20, 2025
  During Heating operation, water may be produced from the outdoor unit of your Fujitsu Air Conditioner due to Automatic Defrosting operation.
A
adam01Aug 25, 2025
Why is my Fujitsu Inverter Halcyon ASU9R2 Air Conditioner airflow weak or stops?
- J
  James BrooksAug 25, 2025
  Weak or stopped airflow in your Fujitsu Air Conditioner can be due to several reasons: * When heating starts, the fan speed is temporarily very low to allow internal parts to warm up. * During heating, if the room temperature exceeds the thermostat setting, the outdoor unit will stop, and the indoor unit will operate at a very low fan speed. * The unit will temporarily stop during heating (for 7-15 minutes) for Automatic Defrosting; the OPERATION indicator lamp will flash during this time. * The fan may operate at a very low speed during Dry operation or when monitoring the room's temperature. * The fan will operate at a very low speed during SUPER QUIET operation. * In monitor AUTO operation, the fan will operate at a very low speed.
A
ashleyrobinsonAug 28, 2025
Why is my Fujitsu Inverter Halcyon ASU9R2 not operating immediately?
- A
  acantuAug 28, 2025
  Your Fujitsu Air Conditioner may not operate immediately after being turned on due to these reasons: * If the unit is stopped and immediately restarted, the compressor will not operate for about 3 minutes to prevent fuse blowouts. * If the Power Supply Plug is disconnected and reconnected, the protection circuit will operate for about 3 minutes, preventing operation.
C
cmossAug 31, 2025
Why does my Fujitsu Inverter Halcyon ASU9R2 Air Conditioner smells?
- J
  johnsonbethAug 31, 2025
  A smell emitted from your Fujitsu Air Conditioner's indoor unit may be due to room odors (furniture, tobacco, etc.) that have been drawn into the unit.
M
Michael GarciaSep 4, 2025
Why is there mist or steam emitted from my Fujitsu Inverter Halcyon ASU9R2?
- A
  Amber GutierrezSep 4, 2025
  Mist or steam emitted from your Fujitsu Air Conditioner can be normal: * During Cooling or Dry operation, a thin mist may appear due to the sudden cooling of room air, causing condensation. * During Heating, the outdoor unit's fan may stop, and steam may rise from the unit due to Automatic Defrosting.
J
jessica80Sep 8, 2025
Why is there noise heard from my Fujitsu Inverter Halcyon ASU9R2?
- J
  James ParkerSep 8, 2025
  The noise from your Fujitsu Air Conditioner could be due to several reasons: * During and after operation, the sound of water flowing in the air conditioner’s piping may be heard. * A slight squeaking sound may occur during operation due to minute expansion and contraction of the front cover caused by temperature changes. * During Heating, a sizzling sound may be heard occasionally, produced by the Automatic Defrosting operation.

Fujitsu Inverter Halcyon ASU9R2 Specifications

General

Cooling Capacity (BTU/h)	9, 000
Heating Capacity	3.2 kW
Coefficient of Performance (COP)	4.0
Refrigerant	R410A
Noise Level (Indoor Unit)	19 dB(A)
HSPF	10.0
Cooling Capacity	2.6 kW
Power Supply	208 / 230V, 1Ph, 60Hz
Indoor Unit Weight	8 kg
Outdoor Unit Weight	34 kg

Summary

OPERATION BASICS

Select Mode Operation

How to choose between AUTO, COOL, DRY, HEAT, or FAN modes using the remote.

Set Thermostat

Adjusting the desired temperature setting for cooling or heating modes.

Set Fan Speed

Changing the fan speed between AUTO, HIGH, MED, LOW, or QUIET settings.

Stop Operation

TIMER FUNCTIONS

ON Timer or OFF Timer

Instructions for setting a single timer to turn the unit on or off.

Program Timer

Guide to setting up a sequence of ON and OFF timers within a 24-hour period.

SLEEP TIMER

Setting the Sleep Timer

How to activate and set the sleep timer for automatic adjustment and shutdown.

About the Sleep Timer

AIRFLOW DIRECTION CONTROL

Vertical Air Direction Adjustment

How to adjust the up-down airflow direction using the remote control's SET button.

Right-Left Louver Adjustment

TROUBLESHOOTING GUIDE

Normal Function Checks

Common symptoms and their potential causes, like no operation or noise.

Mist, Smells, and Water Emission

OPERATION CHECKS AND TIPS

Operation Checks

Further checks for units not operating or poor cooling/heating performance.

Operating Tips

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