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Fujitsu ART90EL Operating Manual

Air conditioner duct type
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O
M
PERATING
ANUAL
AIR CONDITIONER

DUCT TYPE

Indoor Unit
ART90EL(3)
ART90TL(3)
Outdoor Unit
AOT90EP(3)
AOT90TP(3)
KEEP THIS OPERATION MANUAL
FOR FUTURE REFERENCE
FUJITSU GENERAL LIMITED
P/N9365350010

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  Summary of Contents for Fujitsu ART90EL

  • Page 1: Duct Type

    PERATING ANUAL AIR CONDITIONER DUCT TYPE Indoor Unit ART90EL(3) ART90TL(3) Outdoor Unit AOT90EP(3) AOT90TP(3) KEEP THIS OPERATION MANUAL FOR FUTURE REFERENCE FUJITSU GENERAL LIMITED P/N9365350010...
  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ........1 ENERGY SAVE OPERATION ....... 10 NAME OF PARTS ........... 2 SYSTEM OPERATION ......... 11 PREPARATION ............3 CARE AND MAINTENANCE ....... 11 OPERATION ............3 OPERATION DETAILS .......... 12 TIMER OPERATION (OFF TIMER/ON TIMER) ..4 ERRORS AND SELF DIAGNOSIS .......
  • Page 3: Name Of Parts

    NAME OF PARTS Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). Fig. 1 Fig. 2 Electrical Breaker Install this with the power sup- ply chain during on-site instal- lation. Fig. 3 NON STOP CLOCK TEMP AUTO...
  • Page 4: Preparation

    PREPARATION Set the Current Time and Day Press the CLOCK ADJUST button for more than three CLOCK AUTO AUTO seconds. DEFROST TEST Press the SET TEMP./DAY button and set the day. TIMER SET TIME TEMP./DAY MODE CONTROL L: Use to advance the day forward. MASTER CONTROL M: Use to turn the day back.
  • Page 5: Timer Operation (Off Timer/On Timer)

    TIMER OPERATION (OFF TIMER/ON TIMER) Before using the timer function, be sure that the remote controller is set to the correct current time and Day. Press the START/STOP button; after the unit starts operation perform the following procedure: OFF Timer / ON Timer Press the TIMER MODE button and display either OFF CLOCK TEMP...
  • Page 6: Timer Operation (Weekly Timer)

    TIMER OPERATION (WEEKLY TIMER) Use the weekly timer to set operating times for each day of the week. Weekly Timer Features G Set different operating times for each day of the week. G Set one or two operating spans (one or two ON times and one or two OFF times) per day. G Set time to a resolution of 5 minutes.
  • Page 7 Press the SET TIME button to set the day’s first OFF AUTO AUTO time. TIMER WEEKLY The earliest OFF time you can set is 5 minutes after the ON time. The DEFROST TEST latest OFF time is 23:55 on the subsequent day. TIMER SET TIME TEMP./DAY...
  • Page 8 TIMER OPERATION (WEEKLY TIMER) Starting Weekly Timer Operation Press the TIMER MODE button so that “WEEKLY” ap- CLOCK TEMP AUTO AUTO °C pears on the display. HIGH TIMER WEEKLY COOL DEFROST TEST Press the START/STOP button to start operation. TIMER SET TIME TEMP./DAY MODE...
  • Page 9 To Change Selected Time Settings Press the START/STOP button to stop the air conditioner, and then proceed as fol- lows. Carry out steps 1 to 3 of the “Setting Up the Weekly AUTO AUTO Timer Operation” procedure to select the day you want TIMER WEEKLY to edit.
  • Page 10 TIMER OPERATION (WEEKLY TIMER) About the DAY OFF G Use the DAY OFF setting to switch off timed operation for a selected day in the coming week. G This is a temporary, one-time setting. The DAY OFF setting is automatically cleared as soon as the specified day passes. Using the DAY OFF Setting Press the START/STOP button to stop the air conditioner, and then proceed as fol- CLOCK...
  • Page 11: Energy Save Operation

    ENERGY SAVE OPERATION Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). To Use the ENERGY SAVE Press the ENERGY SAVE button. CLOCK TEMP NON STOP AUTO AUTO °C The unit will run in the ENERGY SAVE mode. HIGH COOL DEFROST TEST...
  • Page 12: System Operation

    SYSTEM OPERATION <Control Several Units with just one Remote Controller> Outdoor One remote controller can control up to 16 air conditioners. unit All the air conditioners can be operated with the same set- ting. Indoor unit Remote Unit No.1 Unit No.2 Unit No.16 controller To Use the ZONE CONTROL...
  • Page 13: Operation Details

    OPERATION DETAILS Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). Please read and understand the following details regarding this air conditioner. Operation and Performance * Heating Performance * Microcomputer-controlled Automatic Defrosting G This air conditioner uses a heat pump which absorbs heat When the outside temperature is low and the humidity high, from outside air and brings it indoors.
  • Page 14: Errors And Self Diagnosis

    ERRORS AND SELF DIAGNOSIS Error Code Room temperature sensor shortcircuited AUTO AUTO Indoor heat exchanger temperature sensor open DEFROST TEST Indoor heat exchanger temperature sensor shortcircuited TIMER SET TIME TEMP./DAY MODE CONTROL MASTER Outdoor heat exchanger temperature CONTROL sensor open CLOCK ADJUST Outdoor heat exchanger temperature ZONE...
  • Page 15 Symptom Problem See Page G During operation and immediately after stopping the unit, the NORMAL Noise is heard: FUNCTION sound of water flowing in the air conditioner’s piping may be — heard. Also, noise may be particularly noticeable for about 2 to 3 minutes after starting operation (sound of coolant flowing).