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To install a unit that uses R410A refrigerant, use dedicated tools and piping mate-

rials that have been manufactured specifically for R410A use. Because the pres-
sure of R410A refrigerant is approximately 1.6 times higher than the R22, failure to 
use dedicated piping material or improper installation can cause rupture or injury.  
Furthermore, it can cause serious accidents such as water leakage, electric shock, or fire.

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This appliance is not intended for use by persons (including children) with reduced physical, 
sensory or mental capabilities, or lack of experience and knowledge, unless they have been 
given supervision or instruction concerning use of the appliance by a person responsible for 
their safety. Children should be supervised to ensure that they do not play with the appliance.

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When the thunder sounds and the lightning malfunction strike, do not touch the outdoor unit. 
If the lightning strike, it can cause malfunction or electric shock.

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Do not place other electric appliance or furniture under the outdoor unit and under the outlet 
port of indoor unit.  The water may drop and can cause the taint damage or fault.

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Keep clean and do not place the things around the outdoor unit.  If covered with fallen leaves, 
it can cause the fault by the small animals or insects coming into and touch the internal elec-
tric parts.

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Do not stand on unstable steps when operating or cleaning the air conditioner.  It may over-
turn and can cause the injury.

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Does not install the indoor unit and the outdoor unit in the following areas:

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Area with high salt content, such as at the seaside. It will deteriorate metal parts, causing 
the parts to fail or the unit to leak water.

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Area filled with mineral oil or containing a large amount of splashed oil or steam, such as a 
kitchen. It will deteriorate plastic parts, causing the parts to fail or the unit to leak water.

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Area that generates substances that adversely affect the equipment, such as sulfuric gas, 
chlorine gas, acid, or alkali. It will cause the copper pipes and brazed joints to corrode, 
which can cause refrigerant leakage.

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Area containing equipment that generates electromagnetic interference. It will cause the 
control system to malfunction, preventing the unit from operating normally.

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Area that can cause combustible gas to leak, contains suspended carbon fibers or flamma-
ble dust, or volatile inflammables such as paint thinner or gasoline. If gas leaks and settles 
around the unit, it can cause a fire.

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Area where small animals may live. It may cause failure, smoke or fire if small animals enter 
and touch internal electrical parts.

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Area where animals may urinate on the unit or ammonia may be generated.

CAUTION!

Summary of Contents for Inverter

Page 1: ...OPERATING MANUAL AIR CONDITIONER Duct Type P N9374379460 KEEP THIS MANUAL FOR FUTURE REFERENCE ...

Page 2: ...valves become hot during Heating handle with care L Check the condition of the installation stand for damage L Do not place animals or plants in the direct path of the air flow L When restarting after a long period of disuse in the winter turn the power switch on at least 12 hours before starting the unit L Do not drink the water drained from the air conditioner L Do not use the air conditioner for...

Page 3: ...n cause the fault by the small animals or insects coming into and touch the internal elec tric parts L Do not stand on unstable steps when operating or cleaning the air conditioner It may over turn and can cause the injury L Does not install the indoor unit and the outdoor unit in the following areas L Area with high salt content such as at the seaside It will deteriorate metal parts causing the p...

Page 4: ...eration mode is operated the room tem perature will be little higher than the set temp under cooling mode and lower than set temp under heating mode Therefore the ECONOMY mode is able to save more energy than other normal mode AUTO CHANGEOVER The operation mode cooling dry heating is switched auto matically to maintain the set temperature and the temperature is kept constant at all times N Energy ...

Page 5: ...d Swing Button 2 MAINTENANCE FILTER RE SET Button 1 Operation Lamp Timer and Clock Display Operation Mode Display Fan Speed Display Operation Lock Display Temperature Display Function Display Defrost Display Thermo Sensor Display ECONOMY Display Vertical Swing Display 3 Filter Display 1 1 3 These functions cannot be used Please also see the operating manual of the option when using it with options...

Page 6: ...und the selected day Press the SET TIME buttons to set the current time Press repeatedly to adjust the current time in 1 minute incre ments Press and hold to adjust the current time in 10 minute increments ex Monday 23 00 Press again to end SU MO TU WE TH FR SA 1 3 5 Press the SET BACK button to switch between the 12 and 24 hour time displays 3 4 SU MO TU WE TH FR SA SU MO TU WE TH FR SA SET BACK ...

Page 7: ...on mode If DRY is selected the fan speed will be set to AUTO Press the SET TEMP buttons to set the room temperature Press the FAN button to set the fan speed Press the ECONOMY button to start or stop ECONOMY OPERA TION For details on the function refer to page 12 Instructions relating to heating are applicable only to HEAT COOL MODEL Reverse Cycle To start stop operation To set the operation mode ...

Page 8: ...nsor selection OPERATION Child lock function Press the DAY DAY OFF button and TIMER SET button simultaneously for 2 seconds or more to activate the child lock function and lock all of the buttons on the remote controller except the START STOP button SET TEMP buttons MODE button and FAN button Press the buttons again for 2 seconds or more to deactivate the child lock function When the child lock fu...

Page 9: ... air conditioner operation The timer operates and air conditioner operation stops after the set time has passed The timer can be set up to 24 hours in advance ON timer See page 8 Use this timer function to start air conditioner operation The timer operates and air conditioner operation starts after the set time has passed The timer can be set up to 24 hours in advance WEEKLY timer See page 9 Use t...

Page 10: ...e DAY button to complete the time setting and return to the day of the week setting 5 Repeat steps 3 and 4 To complete the weekly timer settings press the TIMER SET button for 2 seconds or more L To delete the operating time If the TIMER DELETE button is pressed dur ing steps 3 or 4 the operating time for the selected day will be deleted If all the days are selected the operating times for all of ...

Page 11: ... button for 2 seconds or more to com plete the DAY OFF setting 2 4 3 L To cancel Follow the same procedures as those for setup ex The DAY OFF is set for Monday NOTES The DAY OFF setting is only available for days for which weekly settings already exist If the operating time carries over to the next day during a next day setting the effective DAY OFF range will be set as shown below L Normal L Next...

Page 12: ... the SET BACK confirmation display SET BACK ex When setting all days together L Temperature setting Press the SET TEMP buttons to set the temperature The temperature setting range is the same as the range for the operation mode ex Operating time 15 00 22 00 5 Repeat steps 3 and 4 Press the TIMER SET button for 2 seconds or more to complete the temperature SET BACK timer settings 24 C 24 C 28 C SET ...

Page 13: ...r filter air flow will be reduced lowering operating efficiency and increasing noise CAUTION ECONOMY OPERATION Begin Air Conditioner operation before performing this procedure To Use the ECONOMY Operation Press the ECONOMY button The ECONOMY display will light ECONOMY operation begins To Stop the ECONOMY Operation Press the ECONOMY button again The ECONOMY display will go out Normal operation begins ...

Page 14: ...tion between 4 and 15 minutes as the Automatic Defrosting mode operates During the Automatic Defrosting operation will be shown on the remote controller display 14 L The fan may operate at very low speed during Dry operation or when the unit is monitoring the room s temperature L In the monitor AUTO operation the fan will operate at very low speed Water is produced from the outdoor unit LDuring He...

Page 15: ... resulting in reduced operating performance In order to prevent this kind of reduced performance this unit is equipped with a Microcomputer controlled Automatic Defrosting function During the defrost cycle the indoor fan will shutdown and will be displayed on the remote con troller It will take anywhere from 4 to 15 minutes before the air conditioner starts up again L After heating operation stops...

Page 16: ... to the selected fan setting This period of time is provided to allow the indoor unit to warm up before beginning full operation L When the outdoor temperature is very low frost may form on the outdoor unit and its performance may be reduced In order to remove such frost the unit will automatically enter the defrost cycle from time to time During Automatic Defrosting operation the heat operation w...

Page 17: ...heating operation will begin after completion of defrosting with the result that some time may be required before warm air is emitted SELF DIAGNOSIS When Er in Temperature Display is displayed inspection of the air conditioning system is necessary Please consult authorized service personnel Unit number usually 00 Error code ex Self diagnosis check TEMPERATURE AND HUMIDITY RANGE Permissible ranges ...

Page 18: ...NOTE ...

Page 19: ...NOTE ...

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