Fujitsu UTY-LNHUM Operating Manual Download Page 4

En-3

NAME OF PARTS

Display panel

To facilitate explanation, the accompanying illustration has 
been drawn to show all possible indicators; in actual opera-
tion, however, the display will only show those indicators 
appropriate to the current operation.

1

 “MODE” button

2

  “SET TEMP. ( 

 

/

 

 

)” button 

3

 “MIN.HEAT” button

4

 “ECONOMY” button

5

 “SLEEP” button

6

 “FAN” button

7

 “START/STOP” button

8

  “  SET” button (Vertical)

9

  “  SET” button (Horizontal) 

0

  “

 SWING” button

A

  “TIMER MODE” button

B

  “TIMER SET ( 

 / 

 )” button

C

 “CLOCK ADJUST” button

D

 “RESET” button 

E

  “TEST RUN” button

F

 Signal Transmitter

G

  Temperature SET Display

H

  Operation Mode Display

I

 SLEEP Display

J

 Transmit Indicator

K

  Fan Speed Display

L

 SWING Display

M

  T imer Mode Display

N

 Clock Display

Some indoor units may not be equipped with the functions 
corresponding to all of the buttons on this remote control-
ler. The indoor unit will beep and the OPERATION, TIMER 
and FILTER lamp 

fl

 ash when a remote controller button is 

pressed if the function is not available.

21

22

23

24

20

17

18

19

Display

16

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

  This button is used when installing the condi-

tioner, and should not be used under normal 
conditions, as it will cause the air conditioner’s 
temperature function to operate incorrectly.

  If this button is pressed during normal operation, 

the unit will switch to test operation mode, and 
the Indoor Unit’s OPERATION Indicator Lamp 
and TIMER Indicator Lamp will begin to 

fl

 ash 

simultaneously.

  To stop the test operation mode, press the 

“START/STOP” button to stop the air condi-
tioner.

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Summary of Contents for UTY-LNHUM

Page 1: ...1 02 OPERATING MANUAL MODE D EMPLOI MANUAL DE FUNCIONAMIENTO English Français Español KEEP THIS MANUAL FOR FUTURE REFERENCE CONSERVEZ CE MANUEL POUR RÉFÉRENCE ULTÉRIEURE CONSERVE ESTE MANUAL PARA SU FUTURA CONSULTA ...

Page 2: ...user or damage to property Do not expose the controller directly to water Do not operate the controller with wet hands Do not touch the switches with sharp objects Always turn off the electrical breaker whenever cleaning the controller the air conditioner or the air filter Ensure that any electronic equipment is at least 1m away from the controller Avoid installing the controller near a fireplace ...

Page 3: ... the air conditioner s temperature setting is gradually lowered during the period of operation during cooling mode the temperature setting is gradually raised during the period of operation When the set time is reached the unit automatically turns off WIRELESS REMOTE CONTROLLER The Wireless Remote Controller allows convenient control of air conditioner operation HORIZONTAL AIRFLOW COOLING DOWNWARD...

Page 4: ...isplay M Timer Mode Display N Clock Display Some indoor units may not be equipped with the functions corresponding to all of the buttons on this remote control ler The indoor unit will beep and the OPERATION TIMER and FILTER lamp flash when a remote controller button is pressed if the function is not available 21 22 23 24 20 17 18 19 Display 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 This button is us...

Page 5: ...uttons depressed to change the time quickly in 10 minutes increments 3 Press the CLOCK ADJUST button again This completes the time setting and starts the clock To Use the Remote Controller The Remote Controller must be pointed at signal receiver to operate correctly Operating Range About 5 m When a signal is properly received by the air conditioner a beeping sound will be heard If no beep is heard...

Page 6: ...QUIET About 3 seconds later the entire display will reappear When set to AUTO Heating Fan operates so as to optimally circulate warmed air However the fan will operate at very low speed when the temperature of the air issued from the indoor unit is low Cooling As the room temperature approaches that of the temperature setting the fan speed becomes slower Fan The fan runs at the low fan speed The f...

Page 7: ...ed the air conditioner will operate at very low fan speed for about 3 to 5 minutes after which it will switch to the selected fan setting This period of time is provided to allow the indoor unit to warm up before beginning full operation When the room temperature is very low frost may form on the outside unit and its performance may be reduced In order to remove such frost the unit will automatica...

Page 8: ... desired OFF time or ON time Set the time while the time display is flashing the flashing will continue for about 5 seconds button Press to advance the time button Press to reverse the time About 5 seconds later the entire display will reappear To Use the Program timer 1 Press the START STOP button if the unit is already operating proceed to step 2 The indoor unit s OPERATION Indicator Lamp green ...

Page 9: ...urn to normal opera tion To Stop the Air Conditioner During Timer Operation Press the START STOP button About the SLEEP Timer To prevent excessive warming or cooling during sleep the SLEEP timer function automatically modifies the temperature setting in ac cordance with the set time setting When the set time has elapsed the air conditioner completely stops During Cooling Dry operation When the SLE...

Page 10: ...ATING which is included in INDOOR UNIT NOTES Always use the Remote Controller s SET button to adjust the vertical airflow louvers Attempting to move them manually could result in improper operation in this case stop operation and restart The louvers should begin to operate properly again During use of the Cooling and Dry modes do not set the Air Flow Direction Louvers in the downward position for ...

Page 11: ...tion Swing operation stops Up down left right swing operation To stop SWING Operation Press the SWING button and select STOP Airflow direction will return to the setting before swing was begun ECONOMY OPERATION Begin Air Conditioner operation before performing this procedure To Use the ECONOMY Operation Press the ECONOMY button The ECONOMY Indicator Lamp green will light Economy operation begins T...

Page 12: ...een will go out and the ECONOMY Indicator Lamp green will light To stop MINIMUM HEAT Operation Press the START STOP button Then the OPERATION stops and the ECONOMY Indicator Lamp green will go out About the MINIMUM HEAT Operation The MINIMUM HEAT Operation will not operate if the room temperature is high enough While MINIMUM HEAT Operation is in progress only Airflow Direction Set can be used OPER...

Page 13: ...nal code A when the batteries in the remote controller are replaced If you use a signal code other than signal code A reset the signal code after replacing the batteries If you do not know the air conditioner signal code setting try each of the signal codes until you find the code which operates the air conditioner Selecting the Remote Controller Signal Code Use the following steps to select the s...

Page 14: ...emitted During Cooling or Dry operation a thin mist may be seen emitted from the indoor unit This results from the sudden Cooling of room air by the cool air emitted from the indoor unit resulting in condensation and misting During Heating operation the outdoor unit s fan may stop and steam may be seen rising from the unit This is due to Automatic Defrosting operation 14 Airflow is weak or stops W...

Page 15: ...er heating operation stops if frost forms on the outdoor unit the unit will start Automatic Defrosting operation At this time the outdoor unit will automatically stop after operating for a few minutes However some type of multi type air conditioner doesn t provide this function TROUBLESHOOTING Symptom Problem See Page CHECK ONCE MORE Doesn t operate at all Has the circuit breaker been turn off Has...

Page 16: ... and cooling output provided by your units and use the units in the way that best matches your family s lifestyle If you discover that one or more units delivers a low level of cooling or heating during simultaneous operation we recom mend that you stop simultaneous operation of the multiple units Operation cannot be done in the following different operating modes If the indoor unit is instructed ...

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