Attachment 6 - REF. Ceiling Recessed IDU Cassette Inst Manual.pdf

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INSTALLATION MANUAL

For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit.

MANUEL D’INSTALLATION

Veuillez lire le manuel d’installation en entier avant d’installer ce climatiseur pour éviter tout accident et vous assurer d’une utilisation correcte.

MANUAL DE INSTALACIÓN

Para un uso seguro y correcto, lea detalladamente este manual de instalación antes de montar la unidad de aire acondicionado.

Air-Conditioners For Building Application

INDOOR UNIT

PLFY-P•NFMU-E

FOR INSTALLER

POUR L’INSTALLATEUR

PARA EL INSTALADOR

For use with the R410A A utiliser avec le R410A Para utilizar con el R410A

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► Before installing the unit, make sure you read all the “Safety precau-tions”.

► Please report to your supply authority or obtain their consent before connecting this equipment to the power supply system.

Warning:

Describes precautions that must be observed to prevent danger of injury or death to the user.

Caution:

Describes precautions that must be observed to prevent damage to the unit.

After installation work has been completed, explain the “Safety precautions,” use, and maintenance of the unit to the customer according to the information in the Operation Manual and perform the test run to ensure normal operation. Both the Installation Manual and Operation Manual must be given to the user for keeping. These manuals must be passed on to subsequent users.

Contents

Warning:

securely with no tension applied on the terminal connections. Also, never splice the cables for wiring (unless otherwise indicated in this document).

Failure to observe these instructions may result in overheating or a fire.

• Use only accessories authorized by Mitsubishi Electric and ask the dealer or an authorized technician to install them.

• If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.

the refrigerant should leak.

• The cut face punched parts may cause injury by cut, etc. The installers are requested to wear protective equipment such as gloves, etc.

any other refrigerant and do not allow air to remain in the lines.

The use of any refrigerant other than that specified for the system will cause mechanical failure or system malfunction or unit breakdown. In the worst case, this could lead to a serious impediment to securing product safety.

1. Safety precautions

2. Installing the indoor unit

3. Refrigerant pipe and drain pipe

4. Electrical work

5. Installing the grille

6. Test run

1. Safety precautions

: Indicates an action that must be avoided.

: Indicates that important instructions must be followed.

: Indicates a part which must be grounded.

: Indicates that caution should be taken with rotating parts.

: Indicates that the main switch must be turned off before servicing.

: Beware of electric shock.

: Beware of hot surface.

: At servicing, please shut down the power supply for both the Indoor and Outdoor Unit.

Warning:

Carefully read the labels affixed to the main unit.

Install the indoor unit at least 2.4 m (8 ft) above floor or grade level.

For appliances not accessible to the general public.

Caution:

to coat flares and flange connections.

• Do not use the air conditioner where food, pets, plants, precision instruments, or artwork are kept.

perature/high humidity (dew point above 26 °C, 79 °F), dew condensation may be produced in the indoor unit or the ceiling materials. When operating the units in this condition, add insulation material (10 to 20 mm, 13/32 to 15/32 inch) to the entire surface of the unit and ceiling materials to avoid dew con-densation.

2. Installing the indoor unit

2.1. Check the indoor unit accessories (Fig. 2-1)

The indoor unit should be supplied with the following accessories.

Accessory name Q’ty

1 Installation template 1

Washers (with insulation) Washers (without insulation)

Pipe cover (for refrigerant piping joint) small diameter (liquid) large diameter (gas)

Band (large) Band (middle) Band (small) * Use only one.

5 Drain socket 1

6 Insulation 1

Fig. 2-1

1 2

3 4

5 6

Note:

The phrase “Wired remote controller” in this installation manual refers to the PAR-32MAA.

If you need any information for the other remote controller, please refer to either the installation manual or initial setting manual which are included in these boxes.

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2.2. Ceiling openings and suspension bolt installation

locations (Fig. 2-2)

• Using the installation template and the gauge (supplied as an accessory with the grille), make an opening in the ceiling so that the main unit can be installed as shown in the diagram. (The method for using the template and the gauge are shown.)

* Before using, check the dimensions of template and gauge, because they change due to fluctuations of temperature and humidity.

* The dimensions of ceiling opening can be regulated within the range shown in following diagram; so center the main unit against the opening of ceiling, ensuring that the respective opposite sides on all sides of the clearance between them becomes identical.

• Use M10 (3/8”) suspension bolts.

* Suspension bolts are to be procured at the field.

2. Installing the indoor unit

A Outer side of main unit B Bolt pitch C Ceiling opening D Outer side of Grille E Grille F Ceiling

G Min. 500 mm (20 inch) (Entire periphery) If setting the maintenance space for G, be sure to leave is a minimum of 700 mm (28 inch).

H Maintenance space I Fresh air intake J Angle K Electric component box

* Leave the maintenance space at the electric component box end.

*1 When installing in an existing ceiling unit location or applying additional heat insulation, ensure a minimum space of 25 mm (1 inch).

2.3. Installation of duct (in case of fresh air intake)

(Fig. 2-3)

Caution:

Linkage of duct fan and air conditioner ln case that a duct fan is used, be sure to make it linked with the air conditioner when outside air is taken.

Do not run the duct fan only. It can cause dew drop.

Making a duct flange (prepared locally)

• The shape of duct flange shown left is recommended.

Installation of duct flange

ping screws which should be prepared locally.

Installation of duct (should be prepared locally)

ity, wrap the duct in a heat insulate to avoid causing dew drop on the wall.

Remove the drain pan insulation.

A Duct flange recommended shape

C Detail drawing of fresh air intake D Indoor unit E Ceiling surface

F 3-Tapping screw hole G ø73.4 mm (2-7/8 inch) cutout hole H Duct flange (Prepared locally) I 4 × 10 mm Tapping screw (Prepared locally) J Insulation

Fig. 2-2

Fig. 2-3

(inch)(22-11/ 16) C

J

(2 2-

/1

6) C

I

* 1

K

F E G

/3

1-

/32

+3 /1

(inch) A C

H I

B

G

E

F

J

D

0°

120°

120° ø 3-15/16 ø 3-15/16 ø 3-15/16 ø 2-15/16 ø 2-15/16

/3

25/32 2-3/4

5-1/2

7- 5/

1-

/3

+3

/1

8- 3/

16ø 3-15/16

Duct flange connection

Floor

9/32 to 31/329/32 to 31/32

Min. 18 H

9/

1/

9/

1/

M in . 3 /1

M in . 9 4- 1/

M in . 1 H

-7 /1 A

-2 1/ B

-1 5/

-5 /1

16-1/16

-1 9/ D

-1 1/

4- 1/ C

-1 /1

20-21/32 B

22-7/16 A

7- 7/

2- 1/

1- /3 to -5 /8

9- /3

8- 3/

5-29/32

3-15/32

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2. Installing the indoor unit

A Suspension bolt (Procure locally) B Ceiling C Nut (Procure locally) D Washer (with insulation) (Accessory)

Fig. 2-5

2.5. Unit suspension procedures (Fig. 2-5)

Suspend the main unit as shown in the diagram.

1. In advance, set the parts onto the suspension bolts in the order of the washers

(with insulation), washers (without insulation) and nuts (double).

(with insulation) and nuts (double) are to be set later.

2. Lift the unit to the proper height of the suspension bolts to insert the mounting plate between washers and then fasten it securely.

3. When the main unit can not be aligned against the mounting hole on the ceiling, it is adjustable owing to a slot provided on the mounting plate. (Fig. 2-6)

• Make sure that step A is performed within 37 to 42 mm (1-15/32 to 1-21/32 inch).

Damage could result by failing to adhere to this range.

2.6. Confirming the position of main unit and tightening

the suspension bolts (Fig. 2-7)

• Using the gauge attached to the grille, ensure that the bottom of the main unit is properly aligned with the opening of the ceiling. Be sure to confirm this, otherwise condensation may form and drip due to air leakage etc.

• Confirm that the main unit is horizontally levelled, using a level or a vinyl tube filled with water.

• After checking the position of the main unit, tighten the nuts of the suspension bolts securely to fasten the main unit.

• The installation template can be used as a protective sheet to prevent dust from entering the main unit when the grilles are left unattached for a while or when the ceiling materials are to be lined after installation of the unit is finished.

* As for the details of fitting, refer to the instructions given on the Installation tem-plate.

Fig. 2-7

Fig. 2-6

E Mounting plate F Washer (without insulation) (Accessory) G Check using the Installation gauge

A Main unit B Ceiling C Gauge (Grille accessory) D Ceiling opening dimensions

A Main unit B Ceiling C Installation template (Accessory)

1- /3 2+

3/

Min.1-3/16

(inch)

2.4. Suspension structure (Give site of suspension

strong structure) (Fig. 2-4)

• The ceiling work differs according to the construction of the building. Building con-structors and interior decorators should be consulted for details.

(1) Extent of ceiling removal: The ceiling must be kept completely horizontal and the ceiling foundation (framework: wooden slats and slat holders) must be reinforced in order to protect the ceiling from vibration.

(2) Cut and remove the ceiling foundation.

(3) Reinforce the ends of the ceiling foundation where it has been cut and add ceiling foundation for securing the ends of the ceiling board.

(4) When installing the unit on a slanting ceiling, interlock a pillow between the ceiling and the grille and set so that the unit is installed horizontally.

1 Wooden structures

• Use tie beams (single storied houses) or second floor beams (two story houses) as reinforcing members.

2 Ferro-concrete structures Secure the suspension bolts using the method shown, or use steel or wooden hang-ers, etc. to install the suspension bolts.

A Unit B Grille C Pillow

D Ceiling E Rafter F Beam G Roof beam

I Suspension bolts M10 (3/8”) (procure locally)

J Steel reinforcing rod

1 2

Fig. 2-4

*B: Suspension bolt pitch (see Fig. 2-2 B for details)

22-11/16 to 24-1/32 DA =1 -1 5/

+3 /1

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3. Refrigerant pipe and drain pipe

3.1. Refrigerant and drainage piping locations of indoor

unit (Fig. 3-1)

A Drain pipe B Ceiling C Grille D Refrigerant pipe (liquid) E Refrigerant pipe (gas) F Main unit

Fig. 3-1

A Flare cutting dimensions

Fig. 3-2

3.2. Connecting pipes (Fig. 3-2)

• Apply thin layer of refrigerant oil to pipe and joint seating surface before tightening flare nut.

carefully.

Copper pipe O.D.

(mm, inch)

Flare dimensions øA dimensions (mm, inch) ø6.35, 1/4 8.7 to 9.1, 11/32 to 23/64 ø12.7, 1/2 16.2 to 16.6, 5/8 to 21/32 øA

±0 .5

45° ±2°

R1/64 - R1/32

Fig. 3-3

B Refrigerant pipe sizes & Flare nut tightening torque

C Apply refrigerating machine oil over the entire flare seat surface.

3.3. Indoor unit (Fig. 3-3)

Heat insulation for refrigerant pipes:

1 Wrap the enclosed large-sized pipe cover around the gas pipe, making sure that the end of the pipe cover touches the side of the unit.

2 Wrap the enclosed small-sized pipe cover around the liquid pipe, making sure that the end of the pipe cover touches the side of the unit.

3 Secure both ends of each pipe cover with the enclosed bands. (Attach the bands

20 mm (25/32 inch) from the ends of the pipe cover.)

Make sure that the slit in the pipe cover is facing upward when it is installed.

• After connecting the refrigerant piping to the indoor unit, be sure to test the pipe connections for gas leakage with nitrogen gas. (Check that there is no refrigerant leakage from the refrigerant piping to the indoor unit.)

A Refrigerant pipe and insulating material (Procure locally) B Pipe cover (large) (Accessory) C Pipe cover (small) (Accessory) D Refrigerant pipe (gas) E Refrigerant pipe (liquid) F Band (Accessory) G Cross-sectional view of connection H Refrigerant pipe I Insulating material J Squeeze

R410A Flare nut O.D.

Liquid pipe Gas pipe Pipe size

(mm, inch) Tightening torque

(N∙m, ft∙lbs) Pipe size

(mm, inch) Tightening torque

(N∙m, ft∙lbs) Liquid pipe (mm, inch)

Gas pipe (mm, inch)

P05/08/12/15/18 ODø6.35, 1/4 14 to 18, 10 to 13 ODø12.7, 1/2 49 to 61, 36 to 45 17, 21/32 26, 1-1/32

3- 1/ (g as

2- /3 (li qu id

A F

F B

D E

C

(inch)

1/4 7-23/32 7-23/32

7-

/3

5- 1/

2-

/3

2-

/3

A

C

E

F

D B

Warning:

When installing the unit, securely connect the refrigerant pipes before start-ing the compressor.

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3. Refrigerant pipe and drain pipe

3.4. Drainage piping work (Fig. 3-4)

• Use VP25 (O.D. ø32 mm (1-1/4 inch) PVC TUBE) for drain piping and provide 1/100 or more downward slope.

1 Correct piping 2 Wrong piping

C Support metal K Air bleeder L Raised M Odor trap

Grouped piping D O.D. ø32 mm (1-1/4 inch) PVC TUBE E Make it as large as possible F Indoor unit G Make the piping size large for grouped piping.

1. Connect the drain socket (supplied with the unit) to the drain port. (Fig. 3-5) (Affix the tube using PVC adhesive then secure it with a band.)

2. Install a locally purchased drain pipe (PVC pipe, O.D. ø32 mm (1-1/4 inch)).

(Affix the pipe using PVC adhesive then secure it with a band.)

3. Insulate the tube and pipe. (PVC pipe, O.D. ø32 mm (1-1/4 inch) and socket)

4. Check that drain flows smoothly.

5. Insulate the drain port with insulating material, then secure the material with a band. (Both insulating material and band are supplied with the unit.)

A Unit B Insulating material C Band (large) D Drain port (transparent) E Insertion margin F Matching G Drain pipe (O.D. ø32 mm (1-1/4 inch) PVC TUBE) H Insulating material (purchased locally) I Transparent PVC pipe J O.D. ø32 mm (1-1/4 inch) PVC TUBE (Slope 1/100 or more) K Band (middle) L Drain socket

Fig. 3-4

Fig. 3-5

(inch)

Max. 6 inch

Max. 65 ft 5 to 7 ft

4. Electrical work4. Electrical work

4.1. Indoor unit (Fig. 4-1, Fig. 4-2, Fig. 4-3)

1. Loosen the two screws securing the electric component cover, and then slide and remove the cover.

2. Route each cable through the wiring intake into the electric component box. (Procure power supply cable and control cable locally.)

3. Securely connect the power supply cable and control cable to the terminal blocks.

4. Secure the wires with the cable straps inside the electric component box. Secure the wires with cable straps as cushioning components so that no stress is applied to the connecting sections of the terminal block when tension is generated.

5. Attach the electric component cover as it was.

bushing for tensile force. (PG connection or the like.)

• Tape is affixed over the conduit hole used for connecting the electric wiring. Please remove this tape if making a connection through the hole.

A Electric component cover B Electric component box C Entry for power supply cable D Entry for remote control cable and trans-mission cable E Cable clamp F Power supply terminals (L1, L2)

G Transmission terminals (M1, M2, S) H MA Remote controller terminal (1. 2) I Indoor controller J Remote control cable K Transmission cable L Power supply cable

L2 L1

F L

Fig. 4-1

2-5/12 inch

15/32 inch

JKL

DCIA

B

H

EF

G

K

C

J

AA

I

J

C,K

C

F

1-3/16 D E E

L G

H

1-3/16 1-3/16 K

B

Secure with a band 4 (small) at the location shown in the diagram

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Fig. 4-2

CN5Y

CN4Z

CN90

4. Electrical work

Caution:

junction cables.

� When using the panel with wireless signal receiver or i-see sensor, install wireless junction cable for connecting with the cable from the panel through the following steps before installing the main unit.

Signal receiver: CN90 i-see sensor: CN5Y i-see sensor motor: CN4Z

Warning:

stress is applied to the connecting section of the terminal block. Incomplete connection or fixing of the cable could result in a fire.

19/32

Fig. 4-3

Fig. 4-4

Fig. 4-5

Be sure to connect the remote controller cable (0.3 mm, AWG

22) to the locations shown in the diagram. Secure the remote control cable/ indoor-outdoor connection cable with the cable strap.

Cable strap

/32

(inch)

B

C

4.1.1. Installing the i-See sensor and signal receiver

Before installing the grille, connect the junction wires included with the grille acces-sories and place them in the connector box.

1 Remove the two screws securing the wire cover of the main unit, and then open the cover.

2 Route the wires of the i-See sensor and signal receiver through the wire inlets in the electric component box as shown in the diagram and around the bushings on the side of the main unit. (Fig. 4-4)

When routing the wires, open the clamp securing the grille junction wire, and then secure the grille junction wire and the wires of the i-See sensor and signal receiver with the clamp.

3 Remove the one screw securing the connector box cover, and then open the cover.

(Fig. 4-5)

4 Place the junction wire connector in the connector box.

5 Install the wire cover and connector box cover.

Caution:

When installing the covers, make sure that the wires do not get pinched.

Fit the band securing the junction wires between the ribs on the connector box as shown in the diagram. (Fig. 4-6)

A Wire cover B Connector box cover C Connector box D I-See sensor or signal receiver lead wire (Grille accessory) E Band

Fig. 4-6

D

E

Between ribs

A

D

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4. Electrical work

Indoor unit V1 V2

Type 1 PLFY-NEMU, PMFY-NBMU, PEFY-NMSU, PCFY-NKMU, PKFY-NHMU, PKFY-NKMU, PLFY-NFMU 19.8 2.4

Type 2 PEFY-NMAU 38 1.6

Type 3 PEFY-NMHSU 13.8 4.8

Others Other indoor unit 0 0

C : Multiple of tripping current at tripping time 0.01 s Please pick up “C” from the tripping characteristic of the breaker.

<Example of “F2” calculation>

= 14.65 → 16 A breaker (Tripping current = 8 × 16 A at 0.01 s)

*3 Current sensitivity is calculated using the following formula.

G1 Current sensitivity

30 or less 30 mA 0.1 sec or less

100 or less 100 mA 0.1 sec or less

Wire thickness V3

1.5 mm2, AWG14 48

2.5 mm2, AWG13 56

4.0 mm2, AWG11 66

4.2. Power supply wiring

IEC57, 245 IEC 53 or 227 IEC 53.

provided by the air conditioner installation.

[Fig. 4-7]

A Ground-fault interrupter B Local switch/Wiring breaker C Indoor unit D Pull box

Warning:

Fig. 4-7

C C C CC

A B D

~ 208/230V

D

C T B 2 T B 5 T B 15

S 1 2M1 M2L1 L2

A B

~ 208/230V

Total operating current of the indoor unit

Minimum wire thickness (mm², AWG.No) Ground-fault interrupter *1

Local switch (A) Breaker for wiring

(NFB)

Main cable Branch Ground Capacity Fuse

F0 = 16 A or less *2 1.5, AWG14 1.5, AWG14 1.5, AWG14 20 A current sensitivity *3 16 16 20

F0 = 25 A or less *2 2.5, AWG13 2.5, AWG13 2.5, AWG13 30 A current sensitivity *3 25 25 30

F0 = 32 A or less *2 4.0, AWG11 4.0, AWG11 4.0, AWG11 40 A current sensitivity *3 32 32 40

Apply to IEC61000-3-3 about max. permissive system impedance.

*1 The Ground-fault interrupter should support inverter circuit.

The Ground-fault interrupter should combine using of local switch or wiring breaker.

60 0 0

60 0

1 2 3 4 6 8

C

10 20

SAMPLE

Sample chart

Tr ip pi ng T im e [s

0.1

0.01

Rated Tripping current (x)

Never splice the power cable or the indoor-outdoor connection cable, otherwise it may result in a smoke, a fire or communication failure.

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4. Electrical work

4.3. Types of control cables

1. Wiring transmission cables

Types of transmission cable Shielding wire CVVS or CPEVS

Cable diameter More than 1.25 mm2 (AWG16)

Length Less than 200 m (656 ft)

Fig. 4-8

4.4. Connecting remote controller, indoor and outdoor

transmission cables (Fig. 4-8)

• Connect indoor unit TB5 and outdoor unit TB3. (Non-polarized 2-wire) The “S” on indoor unit TB5 is a shielding wire connection. For specifications about the con-necting cables, refer to the outdoor unit installation manual.

junction cable.

1 MA Remote controller

• Connect the “1” and “2” on indoor unit TB15 to a MA remote controller. (Non-polarized

2-wire)

• DC 9 to 13 V between 1 and 2 (MA remote controller) 2 M-NET Remote controller

• Connect the “M1” and “M2” on indoor unit TB5 to a M-NET remote controller.

(Nonpolarized 2-wire)

• DC 24 to 30 V between M1 and M2 (M-NET remote controller) 3 Wireless remote controller (When installing wireless signal receiver)

• Connect the wire of wireless signal receiver (9-pole cable) to CN90 of indoor con-troller board.

• To change Pair No. setting, refer to installation manual attached to wireless remote controller. (In the default setting of indoor unit and wireless remote controller, Pair No. is 0.)

A Terminal block for indoor transmission cable B Terminal block for outdoor transmission cable (M1(A), M2(B), (S)) C Remote controller D Wireless signal receiver E Wireless remote controller

2. M-NET Remote control cables Types of remote control cable Shielding wire MVVS

Cable diameter More than 0.5 to 1.25 mm2 (AWG20 to

AWG16)

Length Add any portion in excess of 10 m (33 ft) to within the longest allowable transmission cable length 200 m (656 ft).

3. MA Remote control cables Types of remote control cable 2-core cable (unshielded)

Cable diameter 0.3 to 1.25 mm2 (AWG22 to AWG16)

Length Less than 200 m (656 ft)

4.5. Setting addresses (Fig. 4-9)

(Be sure to operate with the main power turned OFF.)

1 How to set addresses Example: If Address is “3”, remain SW12 (for over 10) at “0”, and match SW11

(for 1 to 9) with “3”.

2 How to set branch numbers SW14 (Series R2 only) Match the indoor unit’s refrigerant pipe with the BC controller’s end connection number.

Remain other than series R2 at “0”.

• The rotary switches are all set to “0” when shipped from the factory. These switches can be used to set unit addresses and branch numbers at will.

• The determination of indoor unit addresses varies with the system at site. Set them referring to the Data Book.

4.6. Sensing room temperature with the built-in sensor

in a remote controller

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 necessary also makes it possible to adjust the air flow at a time when the heating thermometer is OFF.

Fig. 4-9

BRANCH

No.

10s

DIGIT

1s

DIGIT

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4. Electrical work

4.10. Electrical characteristics

Model Power supply IFM

Volts/ Hz Range +- 10% MCA (A) Output (kW) FLA (A)

PLFY-P05NFMU-E

0.24 0.05 0.19

PLFY-P08NFMU-E 0.28 0.05 0.22

PLFY-P12NFMU-E 0.29 0.05 0.23

PLFY-P15NFMU-E 0.35 0.05 0.28

PLFY-P18NFMU-E 0.50 0.05 0.40

Symbols: MCA: Max. Circuit Amps (= 1.25×FLA) FLA: Full Load Amps IFM: Indoor Fan Motor Output: Fan motor rated output

4.7. Switch setting for high ceiling

With this unit, the air flow rate and fan speed can be adjusted by setting the SW21-1 and SW21-2. Select a suitable setting from the table below according to the installa-tion location.

* Make sure the SW21-1 and SW21-2 switch are set, otherwise problems such as not getting cool/warm may occur.

4.8. Switch setting for i-See sensor

With i-See sensor panel, SW3-4 must be adjusted as a position of i-See sensor. (Refer to page 15.)

SW21-1 SW21-2 Height

SW3-4

4.11. How to set the fixed up/down air direction (Only for wired remote controller)

(Refer to the right.)

• "Up/Down air direction" is the direction (angle) to fix.

• For PLFY-NFMU, only the particular outlet can be fixed to certain direction with the procedures below. Once fixed, only the set outlet is fixed every time air conditioner is turned on. (Other outlets follow UP/DOWN air direction setting of the remote controller.)

Electric component box

Horizontal airflow

Outlet No. 1

Outlet No. 3 Outlet No. 2

Outlet No. 4

Remote controller setting

Fixed setting The airflow direction of this outlet is fixed in particular direction.

Downward

Note:

The outlet No. is indicated by the number of grooves on both ends of each air outlet. Set the air direction while checking the information shown on the remote controller display.

Air outlet identification marks

SW3-5

Draft-less OFF Downward setting ON Default setting

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■ Vane setting

No se t t i n g S t e p 1 S t e p 2

S t e p 4S t e p 3

A l l o u t l e t s

D r a f t r e d u ct i o n *

S t e p 5

Press the [SELECT] button to save the settings.

A screen will appear that indicates the setting information is being transmitted.

The setting changes will be made to the selected outlet.

The screen will automatically return to the one shown above (step 5) when the transmission is completed.

Make the settings for other outlets, following the same procedures.

If all outlets are selected, will be displayed the next time the unit goes into operation.

Navigating through the screens

■ Confirmation procedure

F 1 F 2 F 3 F 4

M a n u a l v a n e a n g l e

I n p u t d i s p l a y :

A d d r e s s Ch e c k

M - NE T a d d r e s s

I d e n t i f y u n i t Ch e c k b u t t o n

F 1 F 2 F 3 F 4

M a n u a l v a n e a n g l e

R e t u r n :

M - NE T a d d r e s s

F u n c t i o n s e t t i n g f o r u n i t w i t h v a n e f u l l y o p e n .

F 1 F 2 F 3 F 4

M a n u a l v a n e a n g l e

R e t u r n :

No c o m m u n i c a t i o n Ch e c k U n i t s t a t e .

■ Manual vane angle

F1 F2 F3 F4

Main

Main display:

Cursor Page

Main menu Maintenance Initial setting Service

F 1 F 2 F 3 F 4

M a i n t e n a n c e m e n u

M a i n m e n u :

Cu r s o r

A u t o d e s c e n d i n g p a n e l M a n u a l v a n e a n g l e 3 D i - S e e s e n s o r

F1 F2 F3 F4

Manual vane angle

Input display:

Address Check

M-NET address

Identify unit Check button

F 1 F 2 F 3 F 4

M a n u a l v a n e a n g l e

M a n u a l v a n e a n g l e

S e l e c t :

S e t t i n g

O u t l e t A n g l e

1 Select "Maintenance" from the Main menu, and press the [SELECT] button.

2 Select "Manual vane angle" with

4. Electrical work

3 Select the "M-NET address" for the units to whose vanes are to be

Press the [F4] button to confirm the unit.

The vane of only the target indoor unit is pointing downward.

1 Select the "M-NET address" for the units to whose vanes are to be fixed, with the [F2] or [F3] button.

Press the [F4] button to confirm the unit.

2 After pressing the [F4] button, wait approximately 15 seconds, and then check the current state of the air conditioner.

on the remote controller.

ue the operation from the begin-ning.

device does not exist at this refrig-erant address.

• Press the [RETURN] button to re-turn to the initial screen.

3 Change the "M-NET address" to the next number.

• Refer to step 1 to change the "M-NET address" and continue with the confirmation.

4 The current vane setting will appear.

Select the desired outlets from 1

4, (all outlets)"

Press the [F3] or [F4] button to go through the option in the order of "No setting (reset)," "Step 1", "Step 2", "Step 3", "Step 4", "Step 5" and “Draft reduction*”.

Select the desired setting.

* Draft reduction The air f low direct ion for th is setting is more horizontal than the airflow direction for the “Step 1” setting in order to reduce a drafty feeling. The draft reduction can be set for only 1 vane.

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4. Electrical work

4.12. Initial setting

The following settings can be made in the initial setting mode.

Item Setting Fig. 4-11 Temperature unit ºC/ºF A

Time display 12-hour format/24-hour format B

AUTO mode Single set point/Dual set point C

Pair No. 0–3 D

Backlight On/Off E

4.12.1. Switching to the initial setting mode

1. Press the button 1 to stop the air conditioner.

2. Press the button 2.

3. Check that function No. “1” is displayed, and then press the button 3.

The Screen display setting screen will be displayed. (Fig. 4-11) Press the button 4 to change the function No.

4.12.2. Changing the temperature unit (Fig. 4-11 A)

Press the button 5.

Each time the button 5 is pressed, the setting switches between and .

: The temperature is displayed in degrees Celsius.

: The temperature is displayed in degrees Fahrenheit.

4.12.3. Changing the time display (Fig. 4-11 B)

Press the button 6.

Each time the button 6 is pressed, the setting switches between and

: The time is displayed in the 12-hour format.

: The time is displayed in the 24-hour format.

4.12.4. Changing the AUTO mode (Fig. 4-11 C)

Press the button 7.

Each time the button 7 is pressed, the setting switches between and .

: The AUTO mode operates as the usual automatic mode.

: The AUTO mode operates using dual set points.

4.12.5. Changing the pair No. (Fig. 4-11 D)

Press the button 4.

Each time the button 4 is pressed, the pair No. 0–3 changes.

Pair No. of wireless remote controller

Indoor PC board SW22

SW22-3 SW22-4

0 ON ON Initial setting

1 OFF ON

2 ON OFF

3 OFF OFF

4.12.6. Changing the backlight setting E

Press the button 8.

Each time the button 8 is pressed, the setting switches between and

: The backlight comes on when a button is pressed.

: The backlight does not come on when a button is pressed.

4.12.7. Completing the setting

Press the button 3.

• The function No A blinks (Fig. 4-10)

Press the button 2.

• The remote controller exits the initial setting mode.

(The air conditioner operation is stopped.)

4.12.8. How to disable Auto mode operation (Fig. 4-12)

1. Press the button 1 to stop the air conditioner.

• If the weekly timer is enabled, press the button 6 to disable the timer.

( B disappears.)

2. Press the button 2 for 5 seconds.

• The unit enters the function setting mode. (The group model setting number A blinks.)

3. Press the button 5.

• Enter the group model setting number to "066". (The factory setting is "002".)

4. Completing the settings (Fig. 4-12) Press the button 2 for 5 seconds.

• The remote controller exits the function setting mode.

Fig. 4-10 Fig. 4-11

A

A

D

E

C

B

Fig. 4-12

A

B

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5.3. Installing the grille

• Please pay attention because there is a restriction in the attachment position of the grille.

5.3.1. Temporarily installing the grille

Align the screw holes in the corners of the grille with the screw mounting holes in the corners of the main unit, latch the two hooks on the grille onto the drain pan projec-tions on the main unit, and temporarily hang the grille. (Fig. 5-5, 5-6)

Caution:

When installing the i-See sensor and signal receiver, place the junction wires in the connector box before temporarily hanging the grille.

Refer to 4.1.1. on page 7 to route the junction wires.

5. Installing the grille

Fig. 5-3

Fig. 5-4

5.2. Preparing to attach the grille (Fig. 5-2)

• With the gauge supplied with this kit, adjust and check the positioning of the unit relative to the ceiling. If the unit is not properly positioned in the ceiling, there may be air leaks, condensation may form, or the up/down vanes may not operate cor-rectly.

Damage could result by failing to adhere to this range.

A Main unit B Ceiling C Gauge (Accessory) D Ceiling opening dimensions

5.2.1. Removing the intake grille (Fig. 5-3)

* Do not unlatch the hook for the intake grille.

• With the intake grille in the “open” position, remove the hinge of the intake grille from the grille as indicated by the arrow 2.

A Intake grille B Grille C Intake grille levers

5.2.2. Removing the corner panel (Fig. 5-4)

• Remove the screw from the corner of the corner panel. Slide the corner panel as indicated by the arrow 1 to remove the corner panel.

A Grille B Corner panel C Screw

Fig. 5-2

5.1. Check the grille accessories (Fig. 5-1)

• The grille should be supplied with the following accessories.

Accessory name Q’ty Remark

2 Screw with washer 4 M5 × 0.8 × 28 (mm)

3 Gauge 1

4 Junction wire for signal receiver 1 Included when equipped with the signal receiver.

5 Junction wire for i-See sensor 1 Included when equipped with the i-See sensor.

6 Fastener 2 Included when equipped with the signal receiver.

7 Fastener 2 Included when equipped with the i-See sensor.

8 Wireless remote controller 1 Included when equipped with the wireless remote controller.

9 Remote controller holder 1 Included when equipped with the wireless remote controller.

0 LR6 AA batteries 2 Included when equipped with the wireless remote controller.

1 3.5 × 16 mm tapping screws 2 Included when equipped with the wireless remote controller.

Fig. 5-1

22-11/16 to 24-1/32 D

A =1 -1 5/

+3 /1

E

1 2

A

C

B

D

A

B

C

Fig. 5-5 Fig. 5-6

<Grille hook> <Grille is hung temporarily>

Main unit hook

D Grille hook E Hole for the grille’s hook

2 3

When equipped with the signal receiver When equipped with the i-See sensor

4 6 5 7

When equipped with the wireless remote controller

8 9 0 1

(inch)

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5. Installing the grille

BA

D

C

C G

Fig. 5-8Fig. 5-7

5.3.2. Securing the grille

• Secure the grille by tightening the four screws. (Fig. 5-7)

* Make sure that there are no gaps between the main unit and the grille or the grille and the ceiling. (Fig. 5-8)

A Main unit B Electric component box C Screw with washer (Accessory) D Grille E Ceiling F Make sure that there are no gaps.

G Temporary hanging hooks on the panel

Caution:

When tightening the screw with captive washer C, tighten it at a torque of

4.8 N∙m (4 ft∙lbs) or less. Never use an impact screwdriver.

It may result in parts damage.

• After tightening the screw, confirm that the two grille hooks (Fig. 5-6) are latched onto the hooks on the main unit.

5.3.3. Connecting the wires

1 Remove the one screw securing the connector box cover, slide the cover in the direction indicated by the arrow as shown in the diagram, and then open the cover.

2 In the connector box, locate the junction wire for the vane motor of the grille and the wire for the vane motor, and then connect the wires. (Fig. 5-9) There are two vane motor connectors: one blue connector and one orange con-nector. Make sure that the connector colors match when connecting them.

3 After placing the wires in the connector box, close the connector box cover. Make sure that the wires do not get pinched. (Fig. 5-10)

When closing the connector box cover, slide the cover in the direction indicated by the arrow and make sure that the projection is firmly inserted.

A Connector box cover B Connector box C Securing screw D Junction connector E Wire connector for the vane motor F Band

Caution:

• Place the band securing the panel vane motor wire in the connector box as shown in the diagram. (Fig. 5-11)

• When closing the connector box cover, make sure that the wires do not get pinched.

E D

F A

Fig. 5-9

Fig. 5-10

Fig. 5-11

A

CD B

E

F

E

E

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5. Installing the grille

F

E

5.3.4. Wiring the i-See sensor corner panel and signal receiver

• Route the i-See sensor and signal receiver wires through the square holes at the corners of the panel and install them.

• Connect the junction wire connector and the wire connectors of the i-See sensor and signal receiver in the connector box.

as shown in the diagram so that there is no slack in the wires, and then cut off the excess end of the fastener. (Fig. 5-13)

• Place the i-See sensor and signal receiver wires to the inside of the flange on the panel.

Caution:

and secure the wires together with the fastener. (Fig. 5-15)

Make sure that the band securing the i-See sensor and signal receiver junc-tion wires is positioned inside the connector box. (Fig. 5-16)

• If the vane motor connectors and signal receiver connector are connected incorrectly, the vanes will not move or communication with the remote con-troller will not be possible.

A i-See sensor B Signal receiver C Fastener D Wire clip

B

A i-See sensor or signal receiverVane

Fig. 5-14

Fig. 5-15

Fig. 5-16

C

Fig. 5-12

C

Fig. 5-13

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5.4. Locking the up/down airflow direction (Fig. 5-17)

The vanes of the unit can be set and locked in up or down orientations depending upon the environment of use.

performed using the remote controller. In addition, the actual position of the vanes may differ from the position indicated on the remote controller.

1 Turn off the main power switch.

Injuries and or an electrical shock may occur while the fan of the unit is rotating.

2 Disconnect the connector for the vane motor of the vent that you want to lock.

(While pressing the button, remove the connector in the direction indicated by the arrow as shown in the diagram.) After removing the connector, insulate it with tape.

Caution:

Do not set the up/down vanes passed the specified range. Condensation could form on and drop from the ceiling, or the unit could malfunction.

Fig. 5-17

A Button B Vane motor C Up/down vanes D Connector

5. Installing the grille

Signal receiver

Fig. 5-18

5.5. Installing the intake grille (Fig. 5-18)

• Perform the procedure that is described in “5.2. Preparing to attach the grille” in reverse order to install the intake grille and the corner panel.

A Refrigerant piping of the main unit B Drain piping of the main unit C Corner panel

* Installation in any position is possible.

D Position of the levers on the intake grille when sent from the factory.

* Although the clips can be installed in any of four positions.

E Receiver (for PAR-SF9FA-E)

5.6. Check

• Make sure that there is no gap between the unit and the grille, or between the grille and the surface of the ceiling. If there is any gap between the unit and the grille, or between the grille and the surface of the ceiling, it may cause dew to collect.

check the connections.

• For 3D i-See sensor corner panel, check the rotating movement. If the 3D i-See sensor does not rotate, review the procedure in “5.3. Installing the grille”.

E

A D B

E

C

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6.2. Test run

The following 3 methods are available.

6.2.1. Using wired remote controller (Fig. 6-1)

Function buttons

4 3 2 1

7 8 9 0

▌1 [ON/OFF] button Press to turn ON/OFF the indoor unit.

▌2 [SELECT] button Press to save the setting.

▌3 [RETURN] button Press to return to the previous screen.

▌4 [MENU] button Press to bring up the Main menu.

▌5 Backlit LCD Operation settings will appear.

When the backlight is off, pressing any button turns the backlight on and it will stay lit for a certain period of time depending on the screen.

When the backlight is off, pressing any button turns the backlight on and does not perform its function. (except for the [ON/OFF] button)

▌6 ON/OFF lamp This lamp lights up in green while the unit is in operation. It blinks while the remote controller is starting up or when there is an error.

▌7 Function button [F1] Main display: Press to change the operation mode.

Main menu: Press to move the cursor down.

▌8 Function button [F2] Main display: Press to decrease temperature.

Main menu: Press to move the cursor up.

▌9 Function button [F3] Main display: Press to increase temperature.

Main menu: Press to go to the previous page.

▌0 Function button [F4] Main display: Press to change the fan speed.

Main menu: Press to go to the next page.

Controller interface

Fig. 6-1

Step 1 Switch the remote controller to “Test run”.

1 Select “Service” from the Main menu, and press the button.

2 When the Service menu is selected, a window will appear asking for the password. (Fig. 6-2) To enter the current maintenance password (4 numerical digits), move the cursor to the digit you want to change with the F1 or F2 button, and set each number

(0 through 9) with the F3 or F4 button. Then, press the button.

Note: The initial maintenance password is “9999”. Change the default password as necessary to prevent unauthorized access.

Have the password available for those who need it.

Note: If you forget your maintenance password, you can initialize the password to the default password “9999” by pressing and holding the F1 and F2 buttons simultaneously for three seconds on the maintenance password setting screen.

3 Select “Test run” with the F1 or F2 button, and press the button. (Fig. 6-3) 4 Select “Test run” with the F1 or F2 button, and press the button. (Fig. 6-4)

F1 F2 F3 F4 unem ecivreS rosruC :unem niaM

Test run Input maintenance info.

Function setting Check Self check

Fig. 6-3

F1 F2 F3 F4

Test run menu

Cursor Service menu:

Test run Drain pump test run

Fig. 6-4

F1 F2 F3 F4

Service menu

Cursor Select:

Enter maintenance password

Fig. 6-2

6. Test run

6.1. Before test run

► After completing installation and the wiring and piping of the indoor and outdoor units, check for refrigerant leakage, looseness in the power supply or control wiring, wrong polarity, and no disconnection of one phase in the supply.

► Use a 500-volt megohmmeter to check that the resistance between the power supply terminals and ground is at least 1.0 MΩ.

► Do not carry out this test on the control wiring (low voltage circuit) terminals.

Warning:

Do not use the air conditioner if the insulation resistance is less than 1.0 MΩ.

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6.3. Check of drainage (Fig. 6-9)

• Ensure that the water is being properly drained out and that no water is leaking from joints.

When electric work is completed.

· Pour water during cooling operation and check.

When electric work is not completed.

· Pour water during emergency operation and check.

* Drain pan and fan are activated simultaneously when single phase 208/230V is turned on to L1 and L2 on terminal block after the connecter (SWE) on controller board in the electrical branch box is set to ON.

Be sure to turn it back to the former state after work.

6.2.2. Using the wireless remote controller

1 Turn on the power to the unit at least 12 hours before the test run.

2 Press the button for 5 seconds. (Fig. 6-7) (Perform this operation when the remote controller display is turned off.)

3 Press the button.

A [TEST] and the current operation mode are displayed.