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Fujitsu ASU18T manual

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Table of contents for the manual

  • Page 1

    ROOM AIR CONDITIONER MUL TI SPLIT TYPE (3 ROOMS) KEEP THIS OPERA TION MANUAL FOR FUTURE REFERENCE. FUJITSU GENERAL LIMITED OPERA TING MANUAL Indoor Unit ASU18T Outdoor Unit AOU36T English[...]

  • Page 2

    En-1 CONTENTS SAFETY PRECAUTIONS .......................................... 1 FEA TURES AND FUNCTIONS ................................. 2 NAME OF P AR TS ...................................................... 3 PREP ARA TION .......................................................... 7 OPERA TION .....................................................[...]

  • Page 3

    En-2 FEA TURES AND FUNCTIONS AUTOMA TIC OPERA TION ● COOLING MODEL Merely press the ST AR T/STOP button, and the unit will begin automatic operation in the Cooling or Dry mode as appropriate, in accordance with the thermostat setting and the actual temperature of the room. ● HEA T & COOL MODEL (REVERSE CYCLE) Merely press the ST AR T/STOP b[...]

  • Page 4

    Fig. 6 Fig. 1 Fig. 2 Fig. 5 Fig. 7 Fig. 3 Fig. 4 Fig. 8[...]

  • Page 5

    En- 4 Fig. 1 Indoor Unit 1 Operating Control Panel (Fig. 2) 2 MANUAL AUTO button 3 Remote Control Signal Receiver 4 Indicator Lamps (Fig. 3) 5 OPERA TION Indicator Lamp (red) 6 TIMER Indicator Lamp (green) ● If the TIMER indicator lamp flashes when the timer is operating, it indicates that a fault has occurred with the timer setting (see page 17 [...]

  • Page 6

    En- 5 SLEEP TIMER SET TIME SET TEMP MASTER CONTROL FAN CONTROL START STOP . SET ENERGY SAVE TIME ADJUST TEST RUN ACL SET SWING SWING CLOCK OFF PM AM ON TIMER RESET TIMER SLEEP HM OFF AUTO COOL DRY FAN ENERGY SAVE HEAT ON A AUTO HIGH MED LOW G J K L M N V Y Z [ ] W X O P Q R S T H I U CLOCK COOL AUTO * Instructions relating to heating(*) are appli[...]

  • Page 7

    En- 6 Fig. 1 Indoor Unit 1 Operating Control Panel (Fig. 2) 2 MANUAL AUTO button 3 Remote Control Signal Receiver 4 Indicator Lights (Fig. 3) 5 OPERA TION Indicator Light (red) 6 TIMER Indicator Light (green) 7 SWING Indicator Light (orange) (VERTICAL SWING) 8 SWING Indicator Light (orange) (HORIZONT AL SWING) ● If the TIMER indicator light flash[...]

  • Page 8

    En- 7 PREP ARA TION CAUTION! ● T ake care to prevent infants from acciden- tally swallowing batteries. ● When not using the remote control unit for an extended period, remove the bat- teries to avoid possible leakage and dam- age to the unit. ● If leaking battery fluid comes in contact with your skin, eyes, or mouth, immedi- ately wash with c[...]

  • Page 9

    En- 8 PREP ARA TION CAUTION! ● T ake care to prevent infants from accidentally swallowing batteries. ● When not using the remote control unit for an extended period, remove the batteries to avoid possible leakage and damage to the unit. ● If leaking battery fluid comes in contact with your skin, eyes, or mouth, immedi- ately wash with copious[...]

  • Page 10

    En- 9 Example: When set to COOL Example: When set to 80 °F T o Select Mode Operation 1 Press the ST ART/STOP button (Fig.6 P ). The indoor unit’ s OPERA TION indicator lamp (red) (Fig. 3 5 ) will light. The air conditioner will start operation. 2 Press the MASTER CONTROL button (Fig.6 K ) to se- lect the desired mode. Each time the button is pre[...]

  • Page 11

    En- 10 T o Select Automatic Operation Press the MASTER CONTROL button to select AUTO. The operating mode “AUTO” will appear alone in the display . The transmit indi- cator will flash to indicate the command has been sent, and about three sec- onds later the entire display panel will reappear . T o Set the Thermostat Press the TEMPERA TURE set b[...]

  • Page 12

    En- 11 T o Select Mode Operation 1 Press the ST ART/STOP button. The indoor unit’ s OPERA TION indicator light (red) will be on. The air conditioner will start operating. 2 Press the MASTER CONTROL button to select the de- sired mode. Each time the button is pressed, the mode will change in the following order . AUTO COOL DRY *HEA T F AN About th[...]

  • Page 13

    En- 12 OPERA TION Setting temperature Thermostat control Dry Operation Cooling Operation Instructions relating to heating (*) are applicable only to “HEA T & COOL MODEL” (Reverse Cycle). About Mode Operation AUTO: COOLING MODEL ● When the room temperature is 4 ° F higher than the set temperature, the mode will switch between Cooling and [...]

  • Page 14

    En- 13 TIMER OPERA TION SLEEP TIMER SET TIME SET TEMP MASTER CONTROL FAN CONTROL . TIMER ON SLEEP TIMER SET TIME SET TEMP MASTER CONTROL FAN CONTROL . TIMER ON Instructions relating to heating (*) are applicable only to “HEA T & COOL MODEL” (Reverse Cycle). Before using the timer function, be sure that the remote control unit is set to the [...]

  • Page 15

    En- 14 TIMER OPERA TION SLEEP TIMER OPERA TION Set time 1 hour 2 ° F 4 ° F SLEEP TIMER SET TIME SET TEMP MASTER CONTROL FAN CONTROL . SLEEP COOL About the PROGRAM timer ● The PROGRAM timer allows you to integrate OFF timer and ON timer operations in a single sequence. The se- quence can involve one transition from OFF timer to ON timer , or fro[...]

  • Page 16

    En-1 5 ADJUSTING THE DIRECTION OF AIR CIRCULA TION Instructions relating to heating (*) are applicable only to “HEA T & COOL MODEL” (Reverse Cycle). V ertical (up-down) direction of airflow is adjusted by pressing the remote control unit’ s AIR FLOW DIRECTION VERTICAL SET button. Horizontal (right-left) direction of airflow is adjusted by[...]

  • Page 17

    En-1 6 ADJUSTING THE DIRECTION OF AIR CIRCULA TION V ertical (up-down) direction of airflow is adjusted by pressing the Remote Control Unit’ s AIR FLOW DIRECTION button. Hori- zontal (right-left) airflow direction is adjusted manually , by moving the Air Flow Direction Louvers. Whenever making horizontal airflow adjustments, start air conditioner[...]

  • Page 18

    En-1 7 SWING OPERA TION Begin air conditioner operation before performing this procedure. About Swing Operation ● The SWING range is as follows: ● The SWING operation may stop temporarily when the air conditioner’ s fan is not operating or when operating at very low speeds. ● The airflow direction can not be adjusted during SWING operation [...]

  • Page 19

    En-1 8 SWING OPERA TION Begin air conditioner operation before performing this procedure. T o select V ertical airflow SWING Operation Press the AIR FLOW DIRECTION VER TICAL SWING button . The SWING indicator light (VER TICAL SWING) (orange) will turn on. In this mode, the UP/DOWN air direction flaps will swing automatically to direct the air flow [...]

  • Page 20

    En-1 9 ENERGY SA VE OPERA TION Instructions relating to heating (*) are applicable only to “HEA T & COOL MODEL” (Reverse Cycle). The air conditioner can be operated while keeping energy consumption costs down. How T o Use the ENERGY SA VE OPERA TION 1 Press the ST ART/STOP button (if the unit is already operating, proceed to step 2). The in[...]

  • Page 21

    En- 20 ● Before cleaning the air conditioner , be sure to turn it off and disconnect the power supply . ● Be sure the intake grille is installed securely . ● When removing and replacing the air filters, be sure not to touch the heat exchanger , as per - sonal injury may result. ● T urn off the circuit breaker . CLEANING AND CARE CAUTION! Cl[...]

  • Page 22

    En- 21 Cleaning the Intake Grille 1. Open the Intake Grille. 1 Place your fingers at both lower ends of the grille panel, and lift forward; if the grille seems to catch partway through its movement, continue lifting up- ward to remove. 2 Pull past the intermediate catch and open the Intake Grille wide so that it becomes horizontal. 2. Unlock the In[...]

  • Page 23

    En- 22 TROUBLESHOOTING Instructions relating to heating (*) are applicable only to “HEA T & COOL MODEL” (Reverse Cycle). In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the cir - cuit breaker , and consult authorized service personnel. Merely turning off the unit’ s power switch will not completel[...]

  • Page 24

    En- 23 TROUBLESHOOTING Instructions relating to heating (*) are applicable only to “HEA T & COOL MODEL” (Reverse Cycle). Symptom Doesn’ t operate at all: Poor Cooling (or *Heating) performance: The unit operates differently from the remote control unit’ s setting: See Page — 8 to 9 — 5 CHECK ONCE MORE Items to check ● Has there be[...]

  • Page 25

    En- 24 OPERA TING TIPS Indoor temperature Outdoor temperature Indoor humidity Cooling and Dry Mode 95 °F DB / 71 °F WB 64 °F DB / 55 °F WB 115 °F DB 32 °F DB About 80 % or less If the unit is used for long periods under high-humidity conditions, condensation may form on the surface of the indoor unit, and drip onto the floor or other objects [...]