Fujitsu 3NGF70811 Operation Manual - Page 11
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After extended non-use of the unit
If you have shut down the indoor unit for 1 month or more, perform the
Fan mode operation for half a day to dry the internal parts thoroughly
before the normal operation.
Additional inspection
After long period of use, accumulated dust inside the indoor unit may
reduce the performance even if you have maintained the unit properly.
In such a case, a product inspection is recommended.
For more information, consult authorized service personnel.
Filter indicator reset (Special setting)
This function can be used if set correctly during installation. Please
consult authorized service personnel in order to use this function.
Clean the air filter when the indicator lamp show the
)
)
following:
Indicator lamp
Blinks 3 times, at intervals of 21 seconds
After cleaning, reset the filter indicator by pushing
indoor unit for 2 seconds or less.
11. GENERAL INFORMATION
■ Heating performance
This air conditioner operates on the heat-pump principle, absorbing
heat from air outdoors and transferring that heat to the indoor unit. As a
result, the operating performance is reduced as outdoor air temperature
drops.
If you feel that the heating performance is insufficient, we recommend
you to use this air conditioner in conjunction with other kinds of heating
appliance.
■ Automatic defrosting operation
When outdoor temperature is very low with high humidity, frost may
form on the outdoor unit during the heating operation, and it could
reduce the operating performance of the product.
For frost protection, a microcomputer-controlled automatic defrost
function is equipped in this air conditioner.
If frost forms, the air conditioner will temporarily stop, and defrost circuit
will operate briefly (maximum of 15 minutes.)
[ ] indicator on the indoor unit blinks during this operation.
If frost forms on the outdoor unit after the Heating operation, the outdoor
unit will stop automatically after it operates for a few minutes. Then the
Automatic defrosting operation starts.
■ Auto-restart function
In event of power interruption such as a blackout, the air conditioner
stops once. But it restarts automatically and performs previous operation
when the power supply is resumed.
If any power interruption occurs after the timer is set, counting down of
the timer will be reset.
After the power supply is resumed, [
blinks to notify you that there has been a timer fault. In such a case,
reset the clock and timer settings.
■ Malfunctions caused by other electrical
devices
Use of other electrical appliances such as an electric shaver or nearby
use of a wireless radio transmitter may cause the malfunction of the air
conditioner.
If you encounter such a malfunction, turn off the circuit breaker once.
Then turn it on again, and resume operation by using the remote
controller.
Blinking pattern
on the
] indicator on the indoor unit
■ Indoor unit temperature and humidity range
Permissible ranges of temperature and humidity are as follows:
Indoor temperature
Cooling/Dry
Heating
Indoor humidity
*1) If the air conditioner is used continuously for many hours, water may
condense on the surface and drip.
• If the unit is operated under the conditions except the permissible
temperature range, the air conditioner operation may stop because
of the automatic protection circuit working.
• Depending on the operating conditions, the heat exchanger may
freeze, causing water leakage or other malfunction (in the Cooling
or Dry mode).
■ Other information
• Do not use the air conditioner for any purpose other than room
cooling/dry, room heating or fan.
• For the permissible ranges of temperature and humidity for the
outdoor unit, refer to the outdoor unit installation manual.
12. OPTIONAL PARTS
12.1. Wired remote controller
The optional wired remote controller can be used.
You can use wired and wireless remote controller together.
However, some functions of the wireless remote controller are restricted.
If you set the restricted functions, beeping sound will be heard, [ ], [
[
], and [
] indicator on the indoor unit will blink.
<Restricted functions for wireless remote controller>
When using together with wired remote controller (2-wired type)
• Weekly timer operation
• Powerful operation
• Outdoor Unit Low Noise operation
• 10 °C Heat operation
You can use wired remote controller and wireless LAN control
(optional).
However, some operations from the mobile app are restricted.
Group control
One remote controller can control up to 16 air conditioners. All of the air
conditioners will be operated with the same settings.
You cannot use group control and wireless LAN control together.
12.2. Wireless LAN control
The optional wireless LAN control can be used.
For how to operate the mobile app, refer to the operation manual of the
mobile app.
Write down the SSID and the PIN code to the following table.
Wireless LAN label
MAC:
SSID :AP-WF
-
PIN:
Information on WLAN adapter
SSID
PIN
Google Play is a registered trademark of Google Inc.
App store is a service mark of Apple Inc., registered in the U.S. and
other countries.
[°C]
18 to 32
[°C]
16 to 30
1)
[%]
80 or less *
],
Connection port
En-10