Mitsubishi Electric City Multi PCFY-P NGMU-E Installation Manual Download Page 3

3

2. Installation location

3. Installing the indoor unit

3.1. Check the indoor unit accessories (Fig. 3-1)

The indoor unit should be supplied with the following accessories (contained in the
inside of the intake grille).

Accessory name

Q’ty

1

Washer

4 pcs

2

Pipe cover

1 pc

Large size (For gas tubing)

3

Pipe cover

1 pc

Small size (For liquid tubing)

4

Band

4 pcs

5

Joint socket

1 pc

Marked with “UNIT”

6

Socket cover

1 pc

7

Drain tubing cover

1 pc

8

Flare nut

P36

1 <3/4" (ø19.05)>

Fig. 2-1

2.1. Outline dimensions (Indoor unit) (Fig. 2-1)

Select a proper position allowing the following clearances for installation and mainte-
nance.

(inch)

Models

W

D

H

A

B

C

E

P15

39-5/8

26-7/32

8-9/32

Min.10-5/8 Min.11-13/16 Min.19-11/16 Max. 9-13/16

P24

51-9/16

26-7/32

8-9/32

Min.10-5/8 Min.11-13/16 Min.19-11/16 Max. 9-13/16

P30

51-9/16

26-7/32

10-5/8

Min.10-5/8 Min.11-13/16 Min.19-11/16 Max. 9-13/16

P36

63-3/4

26-7/32

10-5/8

Min.10-5/8 Min.11-13/16 Min.19-11/16 Max. 9-13/16

 Warning:

Mount the indoor unit on a ceiling strong enough to withstand the weight of the
unit.

2.2. Outline dimensions (Outdoor unit)

Refer to the outdoor unit installation manual.

1

2

3

4

5

6

7

Fig. 3-1

Fig. 3-2

Fig. 3-3

E

D

H

C

W

A

B

UNIT

3.2. Preparation for installation (Fig. 3-2)

Must be installed at least 8 ft. (2.4 m) above floor or grade level.

3.2.1. Suspension bolt installing spacing

(inch)

Models

A

B

C

P15

36-23/32

39-5/8

8-9/32

P24

48-13/16

51-9/16

8-9/32

P30

48-13/16

51-9/16

10-5/8

P36

60-29/32

63-3/4

10-5/8

3.2.2. Refrigerant and drain tubing location

(inch)

Models

D

E

F

P15

5-5/32

6-7/8

7-1/16

P24

5-5/32

6-7/8

7-1/16

P30

7-9/16

9-9/32

7-2/32

P36

7-1/2

9-9/32

7-2/32

A

Front side outlet

E

Right drain tubing

B

Left side outlet

F

Left drain tubing

C

Right side outlet

G

Gas tubing

D

Independent piece (Removable)

H

Liquid tubing

A

B

(inch)

3.2.3. Selection of suspension bolts and tubing positions (Fig. 3-3)

Using the pattern paper provided for installation, select proper positions for suspen-
sion bolts and tubing and prepare relative holes.

A

Pattern paper

B

Suspension bolt hole

C

Indoor unit width

Secure the suspension bolts or use angle stock braces or square timbers for bolt
installation.

A

Use inserts of 220-230 lbs. each.

B

Use suspension bolts of W3/8 or M10 in size

8

A

C

B

26-3/4

12-19/32

3-19/128

5-7/16

3-3/8

3-5/8

7/16

D

E

F

1-11/16

A

F

H

D

G

E

2-61/64

1-13/16

A

C

B

4-59/64

5-121/128(8-5/16)

6-11/16(9-7/128)

2-3/4

3-19/128

Ø2-1/2

Ø3-15/16

(inch)

C

7-3/16

H

G

E

G H

F

B

8-7/8

7-13/16

9-5/8

Summary of Contents for City Multi PCFY-P NGMU-E

Page 1: ...NSTALLATION MANUAL For safe and correct use please read this installation manual thoroughly before installing the air conditioner unit Air Conditioners For Building Application INDOOR UNIT PCFY P NGMU E ...

Page 2: ...t or too close to the unit as these items can be damaged by temperature changes or dripping water When the room humidity exceeds 80 or when the drainpipe is clogged wa ter may drip from the indoor unit Do not install the indoor unit where such dripping can cause damage When installing the unit in a hospital or communications office be prepared for noise and electronic interference Inverters home a...

Page 3: ...2 3 4 5 6 7 Fig 3 1 Fig 3 2 Fig 3 3 E D H C W A B U N IT 3 2 Preparation for installation Fig 3 2 Must be installed at least 8 ft 2 4 m above floor or grade level 3 2 1 Suspension bolt installing spacing inch Models A B C P15 36 23 32 39 5 8 8 9 32 P24 48 13 16 51 9 16 8 9 32 P30 48 13 16 51 9 16 10 5 8 P36 60 29 32 63 3 4 10 5 8 3 2 2 Refrigerant and drain tubing location inch Models D E F P15 5 ...

Page 4: ...the wall 2 Installing the suspending bracket first onto the ceiling Fig 3 8 Installing procedures 1 Remove the suspending brackets U shaped washers and suspending bracket holding screws from the unit 2 Adjust the suspending bracket holding bolts on the unit 3 Attach the suspending brackets to the suspending bolts 4 Set hook the unit to the suspending brackets Be sure to install the U shaped washer...

Page 5: ...ailable insulation materials heat resistant to 212 F 100 C or more thickness of 1 2 in 12 mm or more The indoor parts of the drain pipe should be wrapped with polyethylene foam insu lation materials specific gravity of 0 03 thickness of 23 64 in 9 mm or more Apply thin layer of refrigerant oil to pipe and joint seating surface before tightening flare nut Use two wrenches to tighten piping connecti...

Page 6: ...r left side tubing installation Fig 5 1 For left side tubing be sure to insert the rubber plug into the right drain port Install the drain tubing as it slopes continuously downward After completion of work check that correct drain is available from the outflow port of the drain tubing A Drain pan B Plug Fig 5 1 4 Installing the refrigerant piping 4 3 Indoor unit Fig 4 3 Installing procedures 1 Sli...

Page 7: ...a 1 25 mm2 junction cable 1 MA Remote controller Fig 6 3 Connect the 1 and 2 on indoor unit TB15 to a MA remote controller Non polar ized 2 wire DC 9 to 13 V between 1 and 2 MA remote controller 2 M NET Remote controller Fig 6 4 Connect the M1 and M2 on indoor unit TB5 to a M NET remote controller Non polarized 2 wire DC 24 to 30 V between M1 and M2 M NET remote controller A Terminal block for ind...

Page 8: ...ntroller If you want to sense room temperature with the built in sensor in a remote controller set SW1 1 on the control board to ON The setting of SW1 7 and SW1 8 as neces sary also makes it possible to adjust the air flow at a time when the heating thermom eter is OFF Fig 6 6 Address board 6 Electrical work G I J J J K K K K J J L K H 1 3 L1 L2 L4 r L3 2 Remarks Fig 6 5 Constraints on transmissio...

Page 9: ...the power supply or control wiring wrong polarity and no disconnection of one phase in the supply s Use a 500 volt megohmmeter to check that the resistance between the power supply terminals and ground is at least 1 0 MΩ Ω Ω Ω Ω s Do not carry out this test on the control wiring low voltage circuit termi nals Warning Do not use the air conditioner if the insulation resistance is less than 1 0 MΩ Ω...

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Page 12: ...his manual before handing it to the customer This product is designed and intended for use in the residential commercial and light industrial environment HEAD OFFICE MITSUBISHI DENKI BLDG 2 2 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Printed in Japan BG79U668H01 ...

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