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PART No. 9374342419-02

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INSTALLATION MANUAL

AIR CONDITIONER
INDOOR UNIT
Slim Duct Type 

For authorized service personnel only.

Contents

1. SAFETY 

PRECAUTIONS 

............................................. 2

1.1. IMPORTANT! Please Read Before Starting ........... 2
1.2. Special precautions ................................................ 2

2. ABOUT 

THIS 

PRODUCT 

.............................................. 3

2.1. Precautions for using R410A refrigerant ................ 3
2.2. Special tools for R410A .......................................... 3
2.3. For authorized service personnel only. .................. 3
2.4. Accessories ............................................................ 4
2.5. Optional parts ......................................................... 5

3. GENERAL 

SPECIFICATIONS 

...................................... 5

3.1. Type of copper pipe and insulation material ........... 5
3.2. Additional materials required for installation........... 5
3.3. Operating range ..................................................... 5

4. ELECTRICAL 

REQUIREMENT 

..................................... 6

5.  SELECTING THE MOUNTING POSITION ................... 6

6. INSTALLATION 

WORK 

................................................. 7

6.1A. Installation dimensions 

(Ceiling concealed type) ...................................... 7

6.1B. Installation dimensions (Wall mounted type/

Floor standing concealed type) ........................... 7

6.2A. Install the unit (Ceiling concealed type) ............... 7
6.2B. Install the unit (Wall mounted type/

Floor standing concealed type) ......................... 10

7.

 

PIPE INSTALLATION .................................................. 12
7.1. Selecting the pipe material ................................... 12
7.2. Pipe requirement .................................................. 12
7.3. Flare connection (Pipe connection)...................... 12
7.4. Installing heat insulation ....................................... 13

8.  INSTALLING DRAIN PIPES ........................................ 14

8.1A. When drain pump is used .................................. 14
8.1B. When drain pump is not used 

(Natural drainage) .............................................. 14

8.2. Install the drain pipe ............................................. 15

9. ELECTRICAL 

WIRING 

................................................ 16

9.1. INDOOR UNIT SIDE ............................................ 17

10. REMOTE CONTROLLER SETTING ........................... 18

10.1. Installing the remote controller ........................... 18
10.2. Setting the dip switches ..................................... 19
10.3. Function setting .................................................. 19
10.4. Jumper wire setting ............................................ 22
10.5. Test run .............................................................. 22

11. SPECIAL INSTALLATION METHODS ......................... 23

12. OPTIONAL PARTS ..................................................... 23

12.1. External input and external output ..................... 23
12.2. Remote sensor (Optional parts) ......................... 24
12.3. IR Receiver Unit (Optional parts) ....................... 24

13. ERROR CODES ......................................................... 25

14. CUSTOMER GUIDANCE ............................................ 26

9374342419_02_IM.indb   1

9374342419_02_IM.indb   1

2015/6/25   10:27:00

2015/6/25   10:27:00

Содержание AR 12

Страница 1: ...or standing concealed type 7 6 2A Install the unit Ceiling concealed type 7 6 2B Install the unit Wall mounted type Floor standing concealed type 10 7 PIPE INSTALLATION 12 7 1 Selecting the pipe material 12 7 2 Pipe requirement 12 7 3 Flare connection Pipe connection 12 7 4 Installing heat insulation 13 8 INSTALLING DRAIN PIPES 14 8 1A When drain pump is used 14 8 1B When drain pump is not used Na...

Страница 2: ...ving the indoor and out door units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin alu minum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal frame to provide added support In a Ro...

Страница 3: ...opper pipes and it is desirable that the amount of residual oil is less than 0 0014 oz 10 m 33 ft Do not use copper pipes having a collapsed deformed or discolored portion especially on the interior sur face Otherwise the expansion value or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pressure higher than when using R22 it is necessary to choose adeq...

Страница 4: ... 1 This book Installation Template 1 For positioning the indoor unit Washer 8 For installing indoor unit Coupler Heat Insulation Large 1 For indoor side pipe joint Large pipe Coupler Heat Insulation Small 1 For indoor side pipe joint Small pipe Cable Tie Small 3 For power supply and remote controller cable binding Large 4 For fixing the coupler heat insulation Name and Shape Q ty Application Filte...

Страница 5: ...pipe with water resistant heat insulation All Fujitsu General products are manufactured to metric units and tolerances United States customary units are pro vided for reference only In cases where exact dimensions and tolerances are required always refer to metric units CAUTION Install heat insulation around both the gas and liquid pipes Failure to do so may cause water leaks Use heat insulation w...

Страница 6: ...Φ 208 230 V Max Cable Length Limit voltage drop to less than 2 In crease cable gauge if voltage drop is 2 or more 5 SELECTING THE MOUNTING POSITION Correct initial installation location is important because it is difficult to move unit after it is installed WARNING Install the air conditioner in a location which can with stand a load of at least 3 times the weight of the main unit and which will n...

Страница 7: ...g and durable floor 1 10 or less Right side PIPE side Right side PIPE side Grill Duct Grill Strong and durable floor unit in mm 6 2A Install the unit Ceiling concealed type WARNING Install the air conditioner in a location which can withstand a load do at least 5 times the weight of the main unit and which will not amplify sound or vibration If the installation location is not strong enough the in...

Страница 8: ...2 in WG Replace the cover as follows Remove the screws and then remove cover and fan guard Install the cover with the screws as shown in the following illustration Model Screw AR7 9 12 9 AR18 11 AR24 13 Screw Cover Fan guard CAUTION All items removed cover fan guard screws must be reinstalled Side Inlet Side Outlet Insulation material Field supply Aluminum tape Flange Field supply Air Duct Field s...

Страница 9: ...134 6 2A 4 FIX THE UNIT 1 Hang the unit Use hanger bolts of size M8 or M10 5 16 or 3 8 in Hanger bolt Nut A Field supply Nut B Field supply Washer Ac cessories Hanger Hanger bolt Nut A Field supply Washer Ac cessories Nut B Field supply Unit Hanger 13 16 in 20 mm length Cover It might become difficult to open and shut the Cover control box cover when the length exceeds 13 16 in 20 mm 2 Leveling Ba...

Страница 10: ...to outlet flange Wind the outlet flange connecting to the duct with aluminum tape etc to avoid the air discharge Insulate the duct to avoid condensation CAUTION Check that duct work does not exceed the range of external static pressure of equipment Make sure to insulate ducts to avoid condensation Make sure to insulate between ducts and walls if metal ducts are used Please explain handling and was...

Страница 11: ...loor or the wall To avoid vibration of the unit install vibration isolation pad between the unit and the floor or the wall Leveling Level unit before attaching to floor or wall Level gauge 1 in or less 10 mm PROHIBITED OK Level gauge PROHIBITED OK 1 in or less 10 mm CAUTION Fasten the unit securely with Nuts A and B 9374342419_02_IM indb 11 9374342419_02_IM indb 11 2015 6 25 10 27 09 2015 6 25 10 ...

Страница 12: ...ion Use pipe with water resistant heat insulation CAUTION Install heat insulation around both the gas and liquid pipes Failure to do so may cause water leaks Use heat insulation with heat resistance above 248 F Reverse cycle model only In addition if the humidity level at the installation location of the refrigerant piping is expected to exceed 70 install heat insulation around the refrigerant pip...

Страница 13: ...od Otherwise the flare nuts could break after a prolonged period causing refrigerant to leak and generate a hazardous gas if the refrigerant comes into contact with a flame CAUTION Connect the piping so that the control box cover can easily be removed for servicing when necessary In order to prevent water from leaking into the control box make sure that the piping is well insulated When the flare ...

Страница 14: ...ollowing procedures to construct centralized drain pipe fittings O D 1 5 16 in 33 mm or more Downward gradient 1 100 or more 27 9 16 in 700 mm or less 8 1B When drain pump is not used Natural drainage CAUTION Set Drainage function setting JM1 in 10 4 Jumper wire set ting Drain pump cannot be used if it is installed in wall mounted type floor standing concealed type If the drain pump is not used pl...

Страница 15: ... pipe with adhesive polyvinyl chloride so that there is no leakage Applying area of adhesive Joint pipe Field supply Drain pipe 3 4 in 19 mm O D 1 1 16 in 27 mm Field supply 3 16 in 4 mm or less CAUTION Do not connect to the Drain hole with adhesive Using adhesive may cause damage and water leaks 3 After installing the Drain hose 1 check if the drainage is smooth CAUTION To prevent excessive force...

Страница 16: ...e clip If the insulator is chafed electric leakage may occur Always connect the earth ground wire 1 Use ring terminals with insulating sleeves as shown in the following figure to connect to the terminal block 2 Securely clamp the ring terminals to the wires using an appropriate tool so that the wires do not come loose 3 Use the specified wires connect them securely and fasten them so that there is...

Страница 17: ...ion may cause a fire If the indoor unit connection cable and power supply are wired incorrectly the air conditioner may be damaged Connect the indoor unit connection cable by matching the numbers of the outdoor branch box and indoor units terminal board numbers as shown in terminal label Earth Ground both the indoor outdoor and branch box units by attaching a earth ground cable Unit shall be earth...

Страница 18: ...e front of the remote control ler remove the 2 screws indicated in the following figure and then remove the front case of the remote controller When installing the remote controller remove the connector from the front case The wires may break if the connector is not removed and the front case hangs down When installing the front case connect the connector to the front case Screws SET BACK Front ca...

Страница 19: ...lues 1 Press the SET TEMP buttons and FAN button simultaneously for more than 5 seconds to enter the func tion setting mode SU MO TU WE TH FR SA 2 Press the SET BACK button to select the indoor unit num ber SU MO TU WE TH FR SA Unit number of INDOOR UNIT SET BACK 3 Press the Set time buttons to select the function number Function number SU MO TU WE TH FR SA 4 Press the SET TEMP buttons to select t...

Страница 20: ...e controller When using the Wired remote controller temperature sensor change the setting to Both 01 Factory setting Function Number Setting Value Setting Description 42 00 Indoor unit 01 Both 00 Sensor on the indoor unit is active 01 Sensors on both indoor unit and wired remote controller are active Remote controller sensor must be turned on by using the remote controller Remote controller custom...

Страница 21: ...n condition building insulation Heat insulation conditions differ according to the installed en vironment Standard insulation 00 allows system to rapidly respond to the cooling or heating load changes High insulation 01 is when the heat insulation structure of the building is high and does not require system to rapidly re spond to cooling or heating load changes When High insulation 01 is selected...

Страница 22: ...ump is not use When used under WALL MOUNTED TYPE FLOOR STANDING CONCEALED TYPE When used in natural drainage under CEILING CON CEALED TYPE Factory setting JM1 Drainage Function Connect Valid Disconnect Invalid 2 Fan delay setting JM3 It is a function to delay the stop of cooling fan when the air conditioner is stopped Factory setting JM3 Fan Delay Connect Invalid Disconnect Valid Switching positio...

Страница 23: ...t run button with the tip of a ball point pen and so on Transmitter section Test run button To end test operation press the wireless remote controller START STOP button When the air conditioner is run by pressing the test run button the OPERATION indicator lamp and TIMER indica tor lamp will simultaneously flash slowly 11 SPECIAL INSTALLATION METHODS CAUTION When setting DIP switches do not touch ...

Страница 24: ...ethod Connection terminals Remote sensor terminal CN8 Wiring arrangement Cable tie Remove the existing connector and replace it with the remote sensor connector ensure that the correct connector is used The original connector should be insulated to ensure that it does not come into contact with other electrical circuitry Setting for room temperature correction When a remote sensor is connected set...

Страница 25: ...ltage error stoppage permanently Voltage error can restore Over current protected operation stoppage permanently PFC hardware error 6 5 Outdoor unit IPM error Trip terminal L error 6 10 Outdoor unit Display panel error Microcomputers communication error 7 1 Outdoor unit Discharge thermistor error Discharge thermistor 1 error 7 2 Outdoor unit Compressor thermistor error Compressor thermistor 1 erro...

Страница 26: ...ng method operation switching temperature adjustment timer air flow switching and other remote controller unit operations 2 Air filter removal and cleaning and how to use the air louvers 3 Give the operating manual to the customer 4 If the wireless remote controller custom code is changed from A to B C or D it will change back to A when the batteries in the remote controller are replaced Explain t...

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