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6

1028 mm

1065 mm

80 mm

95 mm

132 mm

300 mm

300 mm

155 mm

Ø75

Ø75

4-2

A CASE OF INSTALLATING INDOOR UNIT ON THE WALL

4-2-(1)

MOUNTING INSTALLATION PLATE FIXING BOLTS

1. Determine the locations of installation plate fixing bolts.

• Use installation pattern to determine the locations of installation plate fixing bolts 

J

.

2. Sturdy wall

• Find structural material (such as stud) in the wall.

3. Installation plate fixing bolt pitch.

• See to 4-1-(1) 3. (Page 5)

4-2-(2)

FIXING OF INSTALLATION PLATES

1. Set installation plates 

1

 to installation plate fixing bolts 

J

.

• See to 4-1-(2) 1. (Page 5)

2. Put installation plate fixing bolt through spring washer (2), and double nuts.

• See to 4-1-(2) 2 Fig. 4. (Page 5)

4-2-(3)

DRILLING HOLE

Determine the location of hole for refrigerant pipes and drain pipe.

• Use the installation pattern as mentioned in 4-2-(1).
• Be sure to confirm the dimensions as below.

4-2-(4)

FRONT GRILLE REMOVAL

• See to 4-1-(4). (Page 5)

4-2-(5)

OPENING KNOCKOUT HOLE

• See to 4-1-(5). (Page 5)

Installation pattern

* Remove installation pattern after installing.

Horizontal base line

Hole for refrigerant and drain pipe
(in the case of downward piping)

Hole for refrigerant and drain pipe (in the case of
rear piping)

Installation plate 

1

FRONT

4-2-(6)

FIXING UNIT TO INSTALLATION PLATES

1. Suspending unit from installation plate.

• Hoist unit so that hanging bolt (4) on the sides of unit fit into holes in installation plate 

1

.

2. Securing unit to installation plates.

• Be sure to tighten unit fixing screw 

2

 to unit securely.

4-3

KNOCKOUT COVER

• After removing the knockout holes, attach knockout cover 

9

 on the knockout hold edge (shown as below).

Unit fixing screw 

2

Installation plate 

1

Hanging bolt

Hanging bolt

Unit fixing screw 

2

• Be sure to set

hanging bolt in
this position.

Knockout
cover 

9

Refrigerant
pipe

Drain pipe

Knockout

Knockout

Refrigerant
pipe

Drain pipe

Knockout

A

C

B

Refrigerant
pipe

Drain pipe

Summary of Contents for MCFZ-A18WV

Page 1: ...C utilized R410A CONTENTS 1 THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY 2 2 SELECTING THE INSTALLATION LOCATION 2 3 INSTALLATION DIAGRAM ACCESSORIES 3 4 INDOOR UNIT INSTALLATION 4 5 OUTDOOR UNI...

Page 2: ...frigerant circuit Any presence of foreign substance such as air can cause abnormal pressure rise or an explo sion 330 mm 360 mm 500 mm 840 mm 1 THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY Pleas...

Page 3: ...gerant pipe 1 set B Indoor outdoor connecting wire 2 core 1 0 mm2 1 C Piping tape 1 D Drain pipe PVC pipe OD 26 1 E Pipe fixing band for refrigerant pipe The quantity depends on the pipe length 2 to 5...

Page 4: ...lack of thickness may cause dew drippage 4 1 A CASE OF SUSPENDING INDOOR UNIT FROM THE CEILING 4 1 1 MOUNTING INSTALLATION PLATE FIXING BOLTS 4 INDOOR UNIT INSTALLATION 1 Determine the locations of in...

Page 5: ...own in Fig 2 Be sure to confirm letters FRONT in installation plates 1 set FRONT side to air outlet side of indoor unit a FRONT 1 Installation plate 2 In case of fixing installation plates 1 above the...

Page 6: ...m the dimensions as below 4 2 4 FRONT GRILLE REMOVAL See to 4 1 4 Page 5 4 2 5 OPENING KNOCKOUT HOLE See to 4 1 5 Page 5 Installation pattern Remove installation pattern after installing Horizontal ba...

Page 7: ...e to fix the cable by cable clamp 3 Replace the terminal cover securely Cable clamp Screw Terminal cover Warning Attach the electrical part cover securely If it is attached incorrectly it could result...

Page 8: ...ve 8 Drain pipe cover D Drain pipe VP 20 c 8 D b a d b a 30 2 In case of connecting drain pipe D to drain joint bush through drain hose Drain hose 7 which is contained in accessories is flexible so us...

Page 9: ...or less 25 m or less Power supply cord Specification Indoor and Outdoor connecting wire Specification 3 core 2 5 mm2 or more in conformity with Design 245 IEC 57 3 core 4 0 mm2 or more in conformity w...

Page 10: ...ble for R410A Electronic scale for re frigerant charging 6 2 FLARING WORK Main cause of gas leakage is defect in flaring work Carry out correct flaring work in the following procedure 2 Burrs removal...

Page 11: ...liquid pipe and the gas pipe between the indoor and the outdoor unit Remove the service port cap of the stop valve on the side of the outdoor unit gas pipe The stop valve will not work in it initial...

Page 12: ...Operating Instruction Book EMERGENCY OPERATION switch 6 5 TEST RUN Before performing the test run recheck for any wrong wiring Wrong wiring prevents normal operation or results in blown fuse disabling...

Page 13: ...rge refrigerant into the atmosphere during installation reinstallation or re pairs to the refrigerant circuit For additional charging charge the refrigerant from liquid phase of the gas cylinder If th...

Page 14: ...TOKYO 100 8310 JAPAN This product is designed and intended for use in the residential commercial and light industrial environment The product at hand is based on the following EU regulations Low Volta...

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