Fujitsu AST7USACW User Manual

Fujitsu AST7USACW

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KEEP THIS OPERATION MANUAL

FOR FUTURE REFERENCE

FUJITSU GENERAL LIMITED

OPERATING MANUAL

P/N9312175093-01

Indoor Unit

AST7USACW

AST9USACW

AST12USACW

Outdoor Unit

AOT7USAC

AOT9USAC

AOT12USAC

HEAT & COOL MODEL

(REVERSE CYCLE)

ROOM AIR CONDITIONER

WALL MOUNTED TYPE

R410A

REFRIGERANT

This Air Conditioner contains and operates

with refrigerant R410A and Polyol Ester oil.

THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED

BY QUALIFIED PERSONNEL.

Refer to Commonwealth, State, Territory and local legislation,

regulations, codes, installation & operation manuals, before

the installation, maintenance and/or service of this product.

Questions and Answers:

E
Edward MyersAug 15, 2025
Why is my Fujitsu AST7USACW Air Conditioner cooling poorly?
- S
  Stacy FritzAug 15, 2025
  Poor cooling performance may stem from several factors. Check if the air filter is dirty or if the air conditioner's intake grille or outlet port is blocked. Ensure the room temperature settings (thermostat) are correctly adjusted and that no windows or doors are open. If it's cooling operation, consider whether sunlight is entering the room (close the curtains) or if there are heat-generating devices or too many occupants. Also, verify that the unit isn't set to SUPER QUIET operation.
L
Lisa RomanAug 18, 2025
What to do if my Fujitsu Air Conditioner doesn't operate at all?
- K
  Katie GarciaAug 18, 2025
  Your Fujitsu Air Conditioner might not be operating at all due to a few simple reasons: * Check if the power supply plug is properly connected to the outlet. * Verify if there has been a power failure. * Inspect whether a fuse has blown out or a circuit breaker has been tripped. * Ensure the timer is not in operation.
R
Robert MoralesAug 22, 2025
Why is water produced from the outdoor Fujitsu AST7USACW unit?
- A
  Andrew MartinezAug 22, 2025
  Water production from the outdoor unit of your Fujitsu Air Conditioner during heating operation is normal. It's a result of the Automatic Defrosting operation.
B
Brooke GrayAug 25, 2025
Why does the Fujitsu AST7USACW Air Conditioner airflow become weak or stop?
- K
  kellybryantAug 26, 2025
  Weak airflow or stops in your Fujitsu Air Conditioner can occur for several reasons: * When heating starts, the fan speed is initially low to warm internal parts. * If the room temperature exceeds the thermostat setting during heating, the outdoor unit will stop, and the indoor unit will operate at a very low fan speed. Increase the thermostat setting to warm the room further. * The unit may temporarily stop (7-15 minutes) during heating for Automatic Defrosting. * The fan may operate at low speed during Dry operation or when monitoring the room's temperature. * During SUPER QUIET or monitor AUTO operation, the fan runs at a very low speed.

Fujitsu AST7USACW Specifications

General

Brand	Fujitsu
Model	AST7USACW
Category	Air Conditioner
Language	English

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