Fujitsu AOU36RLXFZH Installation Manual Download Page 4

En-3

2. 3.  Accessories

 

WARNING

For installation purposes, be sure to use the parts supplied by the manufacturer or 
other prescribed parts. The use of non-prescribed parts can cause serious accidents 
such as the unit falling, water leakage, electric shock, or 

fi

 re.

Do not throw away the connecting parts until the installation has been complete.

Name and shape

Q’ty

Application

Installation 
manual

1

(This book)

Drain cap

7

For outdoor unit drain 
piping work
[45 type only]

Drain pipe

1

Adapter [in. (mm)]
K: [1/2 (12.70) 

 3/8 (9.52)] × 2

L: [1/2 (12.70) 

 5/8 (15.88)] × 2

H: [3/8 (9.52) 

 1/2 (12.70)] × 1

K

K

L

L

H

1 set

Adapter is necessary 
in the connection of the 
indoor unit. 
For more information, 
refer to the installation 
manual included with the 
indoor unit.
[45 type]

Adapter [in. (mm)]
K: [1/2 (12.70) 

 3/8 (9.52)] × 1

L: [1/2 (12.70) 

 5/8 (15.88)] × 1

H: [3/8 (9.52) 

 1/2 (12.70)] × 1

K

L

H

1 set

Adapter is necessary 
in the connection of the 
indoor unit. 
For more information, 
refer to the installation 
manual included with the 
indoor unit.
[36 type]

Cable tie with clip

Large: 2

For binding wire with 
connector
(For conduit plate)

Small: 2

For binding wire with 
connector

Cable tie

1

For binding wire with 
connector

2. 4.  System con

fi

 guration

Layout example for the indoor units and outdoor unit

Valve cover removal

· Remove the six mounting screws.
· Remove the valve coner.

2. 4. 1.  Connectable indoor unit capacity type (Outdoor unit: 45 type)

A

B

C

D

E

H1

H1

H2

Power source
208/230 V ~ 60 Hz

Power supply 

cable

Connection 

cable

Refrigerant pipe

OUTDOOR UNIT

INDOOR UNITS

UNIT E
7-9

UNIT D
7-12

UNIT C
7-18

UNIT B
7-24

UNIT A
7-24

 

CAUTION

The total capacity of the indoor units connected must be between 34,000 and 54,000 
BTU. 
Connection patterns are restricted. Normal operation is not guaranteed if connected  
pattern in the combination not listed below. The product may be damaged. Surely con-
nect in accordance with the combination in the following connection pattern.

• To install an indoor unit, refer to the installation manual included with the indoor unit.

Indoor unit connection pattern

Indoor unit

A

B

C

D

E

1

24,000 24,000 

2

24,000 18,000 

3

18,000 18,000 

4

24,000 18,000 12,000

5

24,000 18,000  9,000

6

24,000 18,000  7,000

7

24,000 15,000

15,000

8

24,000 15,000

12,000

9

24,000 15,000

9,000

10

24,000 15,000

7,000

11

24,000 12,000

12,000

12

24,000 12,000

9,000

13

24,000 12,000

7,000

14

24,000 9,000

9,000

15

24,000 9,000

7,000

16

24,000 7,000

7,000

17

18,000

18,000

18,000

18

18,000

18,000

15,000

19

18,000

18,000

12,000

20

18,000

18,000

9,000

21

18,000

18,000

7,000

22

18,000

15,000

15,000

23

18,000

15,000

12,000

24

18,000

15,000

9,000

25

18,000

15,000

7,000

26

18,000

12,000

12,000

27

18,000

12,000

9,000

28

18,000

12,000

7,000

29

18,000

9,000

9,000

30

18,000

9,000

7,000

31

15,000

15,000

15,000

32

15,000

15,000

12,000

33

15,000

15,000

9,000

34

15,000

15,000

7,000

35

15,000

12,000

12,000

36

15,000

12,000

9,000

37

12,000

12,000

12,000

38

24,000

15,000

7,000

7,000

39

24,000

12,000

9,000

9,000

40

24,000

12,000

9,000

7,000

41

24,000 12,000  7,000  7,000 

42

24,000

9,000

9,000

9,000

43

24,000

9,000

9,000

7,000

44

24,000 9,000 7,000 7,000 

45

24,000 7,000  7,000  7,000 

9380545101-02_IM.indb   3

9380545101-02_IM.indb   3

2/26/2016   10:16:03 AM

2/26/2016   10:16:03 AM

Summary of Contents for AOU36RLXFZH

Page 1: ...OOR UNIT Français Español APPAREIL EXTÉRIEURE UNIDAD EXTERIOR INSTALLATION MANUAL For authorized service personnel only MANUEL D INSTALLATION MANUAL DE INSTALACIÓN Seulement pour personnel d entretien autorisé Únicamente para personal de servicio autorizado ...

Page 2: ...o check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced After installation explain correct operation to the customer using the operating manual Be sure to read this Manual thoroughly before installation The warn...

Page 3: ...er operating on all wires with a distance between contact of 3 mm for this product To protect the persons earth ground the product correctly and use the power cable combined with an Earth Leakage Circuit Breaker ELCB This product is not explosion proof and therefore should not be installed in explosive atmosphere Do not touch the fins of the heat exchanger Touching the heat exchanger fins could re...

Page 4: ...rigerant pipe OUTDOOR UNIT INDOOR UNITS UNIT E 7 9 UNIT D 7 12 UNIT C 7 18 UNIT B 7 24 UNIT A 7 24 CAUTION The total capacity of the indoor units connected must be between 34 000 and 54 000 BTU Connection patterns are restricted Normal operation is not guaranteed if connected pattern in the combination not listed below The product may be damaged Surely con nect in accordance with the combination i...

Page 5: ...0 110 15 000 9 000 9 000 9 000 9 000 111 15 000 9 000 9 000 9 000 7 000 112 15 000 9 000 9 000 7 000 7 000 113 15 000 9 000 7 000 7 000 7 000 114 15 000 7 000 7 000 7 000 7 000 115 12 000 12 000 12 000 9 000 9 000 116 12 000 12 000 12 000 9 000 7 000 117 12 000 12 000 12 000 7 000 7 000 118 12 000 12 000 9 000 9 000 9 000 119 12 000 12 000 9 000 9 000 7 000 120 12 000 12 000 9 000 7 000 7 000 121 ...

Page 6: ...electrical appliances When the current contracted capacity is insuf ficient change the contracted capacity When the voltage is low and it is difficult to start the air conditioner contact the power company to have the voltage raised 3 2 Selecting circuit breaker and wiring CAUTION Be sure to install a breaker of the specified capacity Regulation of cables and breaker differs from each locality ref...

Page 7: ...oor unit and fall off of the balcony CAUTION Do not install the outdoor unit in the following areas 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 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 t...

Page 8: ...g No more than 3 units must be installed side by side When 3 units or more are arranged in a line provide the space as shown in the following example when there is an obstruction in the upper space When the upper space is open Unit in mm 1 When there are obstacles at the rear only 11 13 16 300 or more 9 13 16 250 or more 2 When there are obstacles at the front only 9 13 16 250 or more 59 1 16 1500...

Page 9: ...lts should protrude 1 in 20 mm Refer to the figure If overturning prevention is required purchase the necessary commercially available items 6 9 16 166 AIR 25 9 16 650 6 1 16 154 2 50 2 50 16 16 1 8 410 Unit in mm Bolt 1 20 Nut Base Do not install directly on the ground this may result in equipment failure Make sure the height of the base is 2 in 50 mm from the ground Otherwise there is a risk tha...

Page 10: ...t doing so may cause a refrigerant leak When connecting the indoor unit it should be connected in the order of port A B C and so on Please be sure to close remaining unconnected ports so that they do not leak refrigerant 1 Detach the caps and plugs from the pipes 2 Center the pipe against the port on the outdoor unit and then turn the flare nut by hand To prevent gas leakage coat the flare surface...

Page 11: ...nside of the pipes if rain might enter the pipes during work etc After operating the vacuum pump for 2 hours pressurize to 0 05 MPa i e vacuum breakdown with nitrogen gas then depressurize down to 100 7kPa 755mmHg for an hour using the vacuum pump vacuum process If the pressure does not reach 100 7kPa 755mmHg even after depressurizing for at least 2 hours repeat the vacuum breakdown vacuum process...

Page 12: ...o the terminal block 2 Securely clamp the ring type 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 no stress placed on the terminals 4 Use an appropriate screwdriver to tighten the terminal screws Do not use a screwdriver that is too small otherwise the screw heads may be damaged ...

Page 13: ...rds Hook 3 places Service cover Direction of the service panel removal 2 Conduit plate removal Remove the five mounting screws Remove the conduit plate 3 Fasten the power supply cable and the connection cable to the conduit holder using the lock nut Open the knock out holes with the tool so as not to transform conduit plate if necessary Look nut Conduit plate Power supply cable Knockout hole Conne...

Page 14: ...ody before touching the push switches Never touch any terminal or pattern of any parts on the control board The positions of the switches on the outdoor unit control board are shown in the figure below ON 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 PUMP DOWN 2 W S 1 W S CHECK TEST RUN SET1 SET1 1 HEAT COOL SET2 SET3 F E D C MONITOR ERROR B A POWER MODE 7 1 1 Setting method 1 Be sure to disconnect the power sour...

Page 15: ...al operation is possible without using the check run In this case use the test run or forced cooling function of the indoor unit to confirm any wiring errors 8 1 Things to confirm before starting the check run To ensure safety check that the following work inspections and operations have been completed Check Item Check Column 1 Check that all work on the piping connecting the outdoor unit indoor u...

Page 16: ... to F will flash Preliminary operation The LED for each indoor unit will switch off in order as check for each unit is completed 2 blink F E D C MONITOR ERROR B A POWER MODE Example When 4 indoor units A to D are connected 4 After the check run is complete results will be displayed Please fill the displayed results in the result table accordingly NOTE Automatic wiring correction will not be comple...

Page 17: ...using this function the wiring is automatically corrected according to the pip ing 2 When correcting the wiring manually please disconnect the power supply or turn off the breaker during results display and then change the wiring manually ac cording to the obtained test results For example in Example 1 the wirings connected to the terminals B and C is to be exchanged manually 5 During results disp...

Page 18: ...12 hours prior to the start of the operation in order to protect the compressor 1 Indoor unit 1 Is the drain normal 2 Is there any abnormal noise and vibration during operation 2 Outdoor unit 1 Is there any abnormal noise and vibration during operation 2 Will noise wind or drain water from the unit disturb the neighbors 3 Is there any gas leakage Do not operate the air conditioner in the test runn...

Page 19: ... Trip terminal L error 71 1 Discharge temp sensor error 72 1 Compressor temp sensor error 73 2 Heat ex middle temp sensor error 73 3 Heat ex liquid temp sensor error 74 1 Outdoor temp sensor error 75 1 Suction gas temp sensor error 76 1 Valve sensor error 76 2 77 1 Heat sink temp sensor error 84 1 Current sensor 1 error stoppage permanently 86 1 Discharge pressure sensor error 94 1 Trip detection ...

Page 20: ...after 15 min and the LED will light as follows If the pump down is complete disconnect the power supply or turn off the breaker If not completed open the liquid pipe valve and then start again from step 3 F E D C MONITOR ERROR B A POWER MODE 3 blink blink High speed In order to interrupt the pump down operation press the PUMP DOWN switch again The LED will return to the original display before sta...

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