Preparation; Turning On The Power; Checking The Time - Fujitsu UTY-DMMUM Operating Manual

3. PREPARATION

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• To protect the compressor, turn on the power of the air
conditioning system 12 hours or more before the start of
operation.
Starting the air conditioning system immediately after
power on may cause a failure.
• Always turn off the breaker when cleaning the remote
controller, air conditioner, or ¿ lter.
It may cause injury if operation starts during cleaning.
1

3-1. Turning on the power

When turning on the power after the power is cut off during
the off season, follow the below procedure.
(1) Power on the connected outdoor units.
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(2) Power on all connected branch boxes.
(The Central Remote Controller starts).
Connection of air conditioning system is checked
2
during start-up.
When the start-up is completed normally, "Monitor"
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screen is displayed on the Display panel of the Central
Remote Controller and the system maintains the stand-
by status.
Refer to [4. MONITOR SCREEN] for the "Monitor"
screen.
Refer to [6. OPERATION SETTING] for operation of the
air conditioner.
Monitor
Room 1
Off
Room 4
Room 7
Menu
Operation
En-7
9380221005_en.indd 7
CAUTION
Please wait
Mo 10:00AM
Room 2 Room 3
Room 5 Room 6
Room 8
Function Schedule
Notice
Following error message blinks on the Display panel if
power on of the outdoor unit is forgotten or the power to
the indoor units is disconnected.
In this case, immediately cut off all the power and power
on again.
Note
·
To start the operation smoothly, it is recommended
to not cut off the power of the air conditioning system
during the on-season except for cleaning or a fault.
·
During minimum heat operation, do not cut off the
power to the air conditioning system even if leaving
home for a long time.
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3-2. Checking the time

Check that the current time is displayed correctly on the screen.
(Ask the installer to set the correct time when installing.)
If changing the time or switching the setting for summer time
(daylight saving time), follow the instructions in [9. SUBMENU
SETTING].
Monitor
Room 1
Off
Room 4
Room 7
Menu
Operation
Function
Error
code: 12
Mo 10:00AM
Room 2 Room 3
Room 5 Room 6
Room 8
Schedule
8/11/2010 11:55:18 AM