Fujitsu UTY-LNHUM - Features and Functions; Economy Operation; Auto Changeover; Minimum Heat Operation

En-4
(♦... Factory setting)
Setting description
Function
number
Setting
value
♦
4-way
22
00
3-way 01
4) Static pressure
Select appropriate static pressure according to the installa-
tion conditions.
Please refer to the installation manual of each indoor unit for
details.
5) Cooler room temperature correction
Depending on the installed environment, the room tempera-
ture sensor may require a correction.
The settings may be selected as shown in the table below.
(♦... Factory setting)
Setting description
Function
number
Setting
value
♦ Standard
30
00
01
02
03
Slightly Lower control
Lower control
Warmer control
6) Heater room temperature correction
Depending on the installed environment, the room tempera-
ture sensor may require a correction.
The settings may be changed as shown in the table below.
(♦... Factory setting)
Setting description
Function
number
Setting
value
♦ Standard
31
00
Lower control 01
Slightly warmer control 02
Warmer control 03
7) Auto restart
Enable or disable automatic system restart after a power out-
age.
(♦... Factory setting)
Setting description
Function
number
Setting
value
♦ Yes
40
00
No 01
* Auto restart is an emergency function such as for power fail-
ure etc.
Do not start and stop the indoor unit by this function in nor-
mal operation.
Be sure to operate by the controller, or external input device.
8) Indoor room temperature sensor switching function
(Only for Wired remote controller)
The following settings are needed when use the control by
Wired remote controller temperature sensor.
(♦... Factory setting)
Setting description
Function
number
Setting
value
♦ No
42
00
Yes 01
* If setting value is “00” :
Room temperature is controlled by the indoor unit tempera-
ture sensor.
* If setting value is “01” :
9)
Remote controller
signal code
44
zzz z
10)
External input
control
46
zzz z
11)
Room
temperature
control switching
48
zzz z
*1: It is effective only to install IR Receiver unit.
1) Filter sign
The indoor unit has a sign to inform the user that it is time
to clean the fi lter. Select the time setting for the fi lter sign
display interval in the table below according to the amount of
dust or debris in the room. If you do not wish the fi lter sign to
be displayed, select the setting value for “No indication”.
(♦... Factory setting)
Setting description Function number Setting value
Standard
11
00
Long interval 01
Short interval 02
♦
No indication 03
Setting
description
Standard
Long interval
Short interval
The filter sign interval time is different according to Indoor
unit type as follows.
Compact
Cassette
Slim
Duct
Compact Wall
Mounted
Wall
Mounted
2,500 hours 400 hours
4,400 hours 1,000 hours
1,250 hours 200 hours
FILTER INDICATOR RESET
It lights on if the filter became dirty.
Clean the filter referring to “CLEANING AND CARE
(indoor unit operating manual)”.
After cleaning, press the MANUAL AUTO button (indoor
unit) for 2 seconds or less on the indoor unit.
OPERATION or
Indicator Lamp
: Flashing (3 times) : OFF
TIMER or
ECONOMY or
2) Ceiling height
Select the setting values in the table below according to the
height of the ceiling.
(♦... Factory setting)
Setting description
Function
number
Setting
value
♦ Standard (2.7m)
20
00
High ceiling (3.0m) 01
3) Outlet directions
Select the setting values in the table below for using a 3-way
outlet.
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