OPERATING MANUAL 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
CONTENTS SAFETY PRECAUTIONS ....................................... 1 NAME OF PARTS ................................................... 2 PREPARATION ....................................................... 3 OPERATION ........................................................... 3 TIMER OPERATION (OFF TIMER/ON TIMER) ...... 4 TIMER OPERATION (WEEKLY TIMER) ................. 5 ENERGY SAVE OPERATION ............................... 10 SYSTEM OPERATION .........................................
NAME OF PARTS Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle). 6 Fig. 2 Fig. 1 Electrical Breaker 6 2 ● Install this with the power sup- ply chain during on-site installation. 5 3 1 5 4 Fig. 3 G NON STOP CLOCK H TEMP °C K I L M NON STOP OFFON TIMER WEEKLY 1 2 CLOCK AUTO HIGH N O P COOL 1 F 2 TIMER MODE DEFROST TEST SET TIME TEMP.
PREPARATION Set the Current Time and Day 1 Press the CLOCK ADJUST button for more than three seconds. 2 Press the SET TEMP./DAY button and set the day. CLOCK 1 1 DAY OF THE WEEK 3 MON 2 3 TUE WED 4 5 6 7 THU FRI SAT SUN 2 SET TIME TEMP./DAY FAN CONTROL MASTER CONTROL CLOCK ADJUST ZONE ENERGY SAVE 3 1 START/STOP 2 SET DAY OFF Press the SET TIME button and set the time. ▲: Use to advance the time forward. ▼: Use to turn the time back.
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 1 Press the TIMER MODE button and display either OFF Timer or ON Timer. The timer will start operating. (If you set the ON timer, the air conditioner will stop operating.
TIMER OPERATION (WEEKLY TIMER) Use the weekly timer to set operating times for each day of the week. Weekly Timer Features ● ● ● ● ● Set different operating times for each day of the week. Set one or two operating spans (one or two ON times and one or two OFF times) per day. Set time to a resolution of 5 minutes. OFF time can be carried over to the subsequent day. Use the “DAY OFF” setting to cancel operation for any day of the coming week (one-time cancellation).
6 Press the SET TIME button to set the day’s first OFF time. AUTO WEEKLY 1 2 The earliest OFF time you can set is 5 minutes after the ON time. The latest OFF time is 23:55 on the subsequent day. TIMER MODE 7 8 AUTO ON TIMER DAY OFF SET TIME DEFROST TEST TEMP./DAY FAN CONTROL MASTER CONTROL Press the SET button. CLOCK ADJUST This registers the first OFF time for the day, completing the “WEEKLY 1” settings for that day.
TIMER OPERATION (WEEKLY TIMER) Starting Weekly Timer Operation 1 Press the TIMER MODE button so that “WEEKLY” appears on the display. CLOCK WEEKLY 1 2 2 Press the START/STOP button to start operation. (This step is not necessary if the air conditioner is already running.) Weekly timer operation starts, and the operation lamp comes on. (If the current time is between the first or second ON and OFF time settings for the current day, the air conditioner will start.
To Change Selected Time Settings Press the START/STOP button to stop the air conditioner, and then proceed as follows. 1 2 Carry out steps 1 to 3 of the “Setting Up the Weekly Timer Operation” procedure to select the day you want to edit. AUTO WEEKLY 1 2 TIMER MODE Press the SET button to select the time that you want to change. DAY OFF SET TIME 1 ON c WEEKLY 1 c OFF WEEKLY 2 ON c WEEKLY DEFROST TEST TEMP.
TIMER OPERATION (WEEKLY TIMER) About the DAY OFF ● Use the DAY OFF setting to switch off timed operation for a selected day in the coming week. ● 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 follows.
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. NON STOP CLOCK The unit will run in the ENERGY SAVE mode. TEMP °C AUTO HIGH AUTO COOL 1 The ENERGY SAVE lamp (green) will light. 2 TIMER MODE DEFROST TEST SET TIME TEMP./DAY FAN CONTROL MASTER CONTROL To Stop the ENERGY SAVE CLOCK ADJUST Press the ENERGY SAVE button one more time. The ENERGY SAVE mode will be turned off.
SYSTEM OPERATION One remote controller can control up to 16 air conditioners. All the air conditioners can be operated with the same setting. Outdoor unit Indoor unit Remote controller Unit No.2 Unit No.1 Unit No.16 To Use the ZONE CONTROL When the ZONE control button is pressed while multiple air conditioners are being centralized controlled, only the preset air conditioners stop.
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 ● This air conditioner uses a heat pump which absorbs heat from outside air and brings it indoors. As a result, its heating performance is reduced as the temperature of outside air drops.
ERRORS AND SELF DIAGNOSIS Error Code Room temperature sensor shortcircuited AUTO 1 2 TIMER MODE AUTO Indoor heat exchanger temperature sensor open DEFROST TEST SET TIME TEMP.
Problem See Page ● During operation and immediately after stopping the unit, the 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). — *● During Heating operation, a sizzling sound may be heard occasional. This sound is produced by the Automatic Defrosting operation. 12 ● Some smell may be emitted from the indoor unit.
