Toshiba RBC-U33P-E User manual

Ceiling panel

Model : RBC-U33P-E

Precautions for safety

• The product and this manual are provided with important safety notices to ensure safe use and protect the user and

other people from hazards and preclude damage to property.

Be sure that you fully understand the following contents (expressions and graphic symbols) and read this manual

carefully. Always observe the precautions.

WARNING

• Ask an authorized dealer or qualified installation professional to install the ceiling panel.

Inappropriate installation may result in water leakage, electric shock or fire if you install it by yourself.

• Carry out an installation work securely according to this Installation Manual.

Inappropriate installation may result in water leakage, electric shock or fire.

• Attach the ceiling panel on a ceiling that withstands the weight of the ceiling panel.

Insufficient strength may cause a fall of the unit, which may result in injury.

• Electrical work must be performed by a qualified electrician in accordance with the Installation Manual.

Make sure the air conditioner uses an exclusive power supply.

The capacity shortage of the power circuit or improper electrical work may result in electric shock or fire.

• Connect the specified wires firmly and clamp them securely so that external force applied to the wires does

not affect the connector pins.

Improper wire connection or clamping may result in fire or malfunction.

• Be sure to connect earth wire. (grounding work)

Do not connect the earth wire to a gas pipe, water pipe, lightning conductor, or a telephone earth wire.

Incomplete earthing may result in electric shock.

• Never modify or repair the product.

Incomplete modification or repair may result in electric shock or fire.

CAUTION

• Wear heavy work gloves during the installation work to avoid injury.

Components

Part name Ceiling panel Installation manual CD-ROM

Quantity 1 1 1

Shape

Louver This manual

REQUIREMENT

Do not apply excessive force to the louver, as it may cause a malfunction.

INSTALLATION MANUAL

(For 4-Way Cassette type)

(English)

1. Preparation Before Installing the Ceiling Panel

Position check of indoor unit

1. Confirm the position of the indoor unit according to the

installation Manual.

2. Check whether size of the ceiling opening hole is in the

following range or not.

860 mm × 860 mm to 910 mm × 910 mm

3. Using the installation gauge which is attached to the

indoor unit package, determine position of the indoor unit

against the ceiling surface. If the position of the indoor unit

is not correct, air leak, water leak (dewing), or malfunction

of the louver is caused.

• Do not put the ceiling panel downward, lean it, or leave

it on a projection to avoid a damage on the surface of

the ceiling panel.

• Handle with care so as not to deform the tentative

hanging hooks attached to the rear side of the ceiling

panel.

• Do not apply excessive force on the louver or the

styrofoam on the air outlet while hanging it tentatively

to the indoor unit. (It may causes a trouble on the

louver.)

Be sure to adjust the position between the indoor

unit and the hanging-up height (12 mm to 17 mm).

Failure to do so cause the malfunction or other

damages.

Indoor unit

Ceiling opening size

Ceiling board

Installation gauge

(Indoor unit accessory)

12 to 17

Unit: mm

Heat insulator

CAUTION

Do not remove the heat insulators.

A heat insulator on the corner of

rear side of the panel are for dew

protection. Do not remove the heat

insulators because removing them

causes dew drop or water leakage.

2. Installation to Indoor Unit

Removal of air inlet grille

1. Pushing the corner on the air inlet grille, slide the hook in the direction of the arrow mark (1) and slowly open the grille.

2. Release the safety strap hook from the ceiling panel.

• Do not remove the safety strap screw on the air inlet grille side.

3. Remove the hinge section of the air inlet grille from the ceiling panel in the direction of the arrow mark (2) while the air inlet

grille is opened.

(2)

(1)

(2)

Adjust

corner cap

Ceiling

panel Air inlet

grille

Adjust

corner cap

Hook for air

inlet grille

Hook

Slide

Push

Hinge

Safety strap

hook

Hook hole

of ceiling

panel

Removal of adjust corner cap

1. Lift the corner of the adjust corner cap toward direction of the arrow mark (1) and then remove all four corners.

(1)

Adjust corner cap

Ceiling panel

String

(1)(1)

Positioning of the panel ﬁxed implement

1. After removing the adjust corner cap, check that the panel fixed implement (bracket) remains open as shown in (Fig. 1).

2. Slide the bracket to remain it open because the ceiling panel can not be installed in the indoor unit if the bracket is closed

(Fig. 2).

Open

Leave it open

Panel ﬁxed implement

(Fig. 1) (Fig. 2)

Open Close

Installation of ceiling panel

1. Insert the two tentative hanging hooks of the ceiling panel into the square holes in the indoor unit. (Fig. 3, Fig. 4)

• The ceiling panel aligns directionally with the indoor unit. Check that the lead wires of louver motor connector are on the

Electrical control box side.

• When removing the ceiling panel, push the tentative hanging hooks toward the outside while supporting the panel.

(Fig. 3) (Fig. 4)

Drain pipe Square hole on the indoor unit

Electrical control box

Refrigerant pipe

Panel ﬁxed screw

Ceiling panel Louver motor wires

Tentative hanging hook Engraved mark: REF.PIPE

Square hole of an

indoor unit

Push to remove

Tentative hanging hook

2. Lift the corner of the frame in a panel (Fig. 5), slide the panel fixed implement (bracket) in the direction of the arrow so that

the panel fixed screw head comes to the specified position on the bracket (Fig. 6). Do the same for all four corners.

• Slide the bracket so that the screw head comes under the bracket.

• Panel fixed screws are attached to the indoor unit before shipment.

3. Confirm there are no gaps between the indoor unit and ceiling panel or the ceiling panel and ceiling surface. (Fig. 7)

Panel ﬁxed screw The frame in a panel Panel ﬁxed implement

Hole

Panel ﬁxed screw

Ceiling surface

No clearance

Indoor unit

Ceiling panel

Lift the corner of the frame in a panel so that

the panel ﬁxed screw head comes up.

Push the bracket securely.

• Slide the bracket after loosening the panel fixed

screw so that the bracket is easy to be hooked

on the screw head.

• Tighten the panel fixed screw again after sliding

the bracket.

(Fig. 5) (Fig. 6) (Fig. 7)

CAUTION

Air leak

Air leak from ceiling

Generation of dust Dew drop/water leakage

• When a clearance is found between the ceiling

surface and the ceiling panel, readjust height

of the indoor unit even if the screws have been

tightened.

Adjust so that there

is no clearance.

• As shown in the following ﬁgure, a trouble may

becaused if the screws are incompletely tightened.

Tighten the ﬁxed nut securely after the adjustment.

• The height of the indoor unit with ceiling panel can be

adjusted through the hole in the ceiling panel corner if

doing so does not affect the horizontal level and drain

pipe of the indoor unit.

Wiring of ceiling panel

1. Remove screw A for the fixation of the electrical control box cover and loosen the screw B. Slide the cover inside so that

the hook part can be removed (The electrical control box cover remain being hooked on the hinge.).

Screw A

Screw B

Hook part Hinge

Electric control

box cover

2. Pass the louver motor wire from the ceiling panel through the clamper as shown in figure, then connect them to the

20P-connector. (CN510: White) on the PC board of the indoor unit

• Check the cables are connected surely.

• Incomplete connection causes such a trouble as the louver does not work.

Pass through the clamper

Plug in CN510

Pass the wires through the clamper as shown in ﬁgure

Louver motor wires

Connection diagram

(For the explanation only,

the orientation of the indoor

unit is changed)

3. Install the electrical control box cover in the reverse procedure of its opening process.

• Take care not to catch the wires between electrical control box and its cover, or between the indoor unit and the

ceiling panel.

Installation of adjust corner cap / air inlet grille

• This ceiling panel can be installed from anyway of 4 directions by turning the air inlet grille. Change the direction as shown

in figure on the customer’s demand for a company name on the corner cap or according to the direction matching of the air

inlet grille when multiple units are installed.

• Be sure to install the Wireless remote controller kit (separate sold parts) or the Occupancy sensor (separate sold parts) in

correct orientation, since the Wireless remote controller kit or Occupancy sensor can be installed at only one diagonal corner

of the drain pipe. Failure to do so cause the malfunction.

Mounting position for adjust corner cap with company

name at factory default.

(The corner cap can be installed at any position when

not using the Wireless remote controller kit or the

Occupancy sensor.)

The Wireless remote

controller kit or the

Occupancy sensor

(separate sold parts)

• Only this position can

be installed. 4 direction-free

Electrical control box

Indoor unit

drain pipe side

Position of hook for air inlet grill

at factory default.

Indoor unit

refrigerant pipe side

Installation of adjust corner cap

Push claw A (two positions) and claw B (three positions) into the holes, check that none of the claws are out of alignment.

Failure to securely ﬁt those claws into the holes cause water leakage

1. Hook the fall-preventive strap for adjust corner cap on the ceiling panel claw securely.

Claw (Hook here)

Fall-preventive strap

Adjust corner cap

2. Insert two claws A on the adjust corner cap into the square holes of the ceiling panel in the arrow direction.

Square hole

Claw A

3. Align the three claws B on the back of the adjust corner cap with the holes on the corners of the panel and push them into

the holes.

Claw B

Push the three claws

into the holes.

Installation of air inlet grille

• Install the air inlet grille in the reverse procedure of the removal.

• Be sure not to pinch the louver motor wiring to install the air inlet grille.

• Attach a Safety strap hook of the air inlet grille to the ceiling panel.

Hook hole of

ceiling panel

Safety strap hook

3. Louver operation set up

REQUIREMENT

• Use the wired remote controller to change the setting.

• The setting cannot be changed using the wireless remote controller, sub remote controller, or remote-controller-less system

(for central remote controller only). Therefore, installs the wired remote controller to change the settings.

CAUTION

Set only the CODE No. shown in the following table: DO NOT set any other CODE No.

If a CODE No. not listed is set, it may not be possible to operate the air conditioner or other trouble with the product may

result.

1. Turn the power on.

2. Push and hold + + buttons simultaneously for 4 seconds or more. After a while the display flashes.

Confirm that CODE No. is [10]. Also, the fan of the selected unit runs and the louvers start swing.

• If the CODE No. is not [10], push button to clear the display content, and repeat the procedure from the beginning

3. Select an indoor unit to be set by pushing button (Left side of the button). Indoor unit No. changes each time the

button is pushed.

4. Change the CODE No. to [47] with buttons.

5. Set the (SET DATA) like as the following table with

TIME

buttons.

6. Push button. The display state changes from flashing to lighting, and the setting is fixed.

7. Continue set the CODE No. [48] ~ [4E] like as the table with repeat procedure (4) - (6).

• To change setting of another indoor unit, repeat from procedure (3)

8. When settings have been complete, push button to determine the settings.

• When button is pushed, flashes and then the display content disappears and the air conditioner enters the

normal stop mode. (While is flashing, no operation of the remote controller is accepted.)

CODE No. SET DATA

47 0024

48 0024

49 0030

4A 0035

4B 0040

4C 0043

4D 0046

4E 0060

4862 53

<RBC-AMT32E>

4. Other descriptions

Check after installation

• Check again there is no clearance between the indoor unit and the ceiling panel, and between the ceiling panel and the

ceiling surface.

* A clearance causes water leak or dewing.

• Check the cables are connected surely.

* Incomplete connection causes such a trouble as the louver does not work.

• Failure to fit some claws cause dew drops.

For wireless remote controller kit

• For details of installation, refer to the Installation Manual attached to the wireless remote controller kit (sold separately).

For Air puriﬁer kit

• For details of installation, refer to the Installation Manual attached to Air purifier kit (sold separately).

For Occupancy sensor kit

• For details of installation, refer to the Installation Manual attached to Occupancy sensor kit (sold separately).

󲄄This product (Occupancy sensor kit) cannot be used together with the wireless remote controller kit and Air purifier kit.

Delivery to the customer

• After confirmation of the above items, hand a set of this manual, manuals for the indoor unit, manual for products sold

separately to the customer.

• For cleaning of the filter, ask the maintenance professional.

1130605101

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