Fujitsu UTR-DPB24T Installation guide

En-1

PART NO. 9360929082

UTR-DPB24T

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DRAIN PUMP UNIT

(AIR CONDITIONER / OPTIONAL PARTS)

INSTALLATION MANUAL

For authorized service personnel only.

Contents

1. SAFETY PRECAUTIONS .........................................................................................1

2. MAIN UNIT AND ACCESSORIES ............................................................................ 1

3. DRAIN UP MECHANISM ASSEMBLY ......................................................................2

INSTALLATION TO INDOOR UNIT .......................................................................... 3

AIR CONDITIONER INSTALLATION .......................................................................6

DRAIN PIPE INSTALLATION ...................................................................................6

TEST RUN ................................................................................................................ 6

1. SAFETY PRECAUTIONS

• Be sure to read this Manual thoroughly before installation.

• The warnings and precautions indicated in this Manual contain important information

pertaining to your safety. Be sure to observe them.

WARNING

This mark indicates procedures which, if improperly performed,

might lead to the death or serious injury of the user.

When installing the Drain Pump, please thoroughly read this manual.

Faulty installation will cause frosting, water leakage, electric shock, ﬁ re, and/or injury.

Do not turn ON the power until all work has been completed.

Turning ON the power before the work is completed can cause serious accidents such

as electric shock or ﬁ re.

Connect the indoor unit and drain pump unit with the air conditioner hose and cords

available standards parts. This installation manual describes the correct connections

using the installation set available from our standard parts.

Installation work must be performed in accordance with national wiring standards by

authorized personnel only.

CAUTION

This mark indicates procedures which, if improperly performed,

might possibly result in personal harm to the user, or damage to

property.

The Drain Pump is used by assembling it with a ceiling type room air conditioner. The

Drain Pump cannot be used alone.

Handle the Drain Pump carefully. Dropping it onto the floor or subjecting it to strong

shock will cause erroneous operation or accidents.

When installing the Drain Pump, please refer to the operating manual and installation

manual supplied with the indoor unit.

When using the Drain Pump, the connection pipe outlet direction is up only.

Set up the drain hose for a maximum rise of 500 mm (19-3/4 in.) and give the drain pipe

a down gradient of 1/25 to 1/100. (Fig. 12)

When wiring the power cable and the remote control cable, ensure that they do not

contact the drain pan assy.

2. MAIN UNIT AND ACCESSORIES

The parts listed below are packed with the Drain Pump. Check them before starting in-

stallation work.

Do not discard any accessories needed for installation until the installation work has

been completed.

Name and Shape Q’ty Name and Shape Q’ty

Drain pan assy

Installation Manual

Drain hose A

Drain pump assy

Drain hose B

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Name and Shape Q’ty Name and Shape Q’ty

Wire (Float switch)

Red

Wire (Drain pump)

Blue

Cable Tie L

Cable Tie LL

Insulation

Tapping screw

Drain pump mount A

(For Type 2)

Drain pump mount B

(For Type 2)

Drain pump mount C

(For Type 2)

Tapping screw

(For Type 2)

Type 1 Type 2

Type 1 / Type 2 represent sample images only; the width may vary depending on the

capacity.

3. DRAIN UP MECHANISM ASSEMBLY

(1) Install drain hose B to the drain pump assy. (Fig. 1)

Fig.1

Cable tie L

Drain pan assy

Red

Wire

(Float switch)

Blue

Drain pump assy

Insulation

Drain hose A

Drain hose B

Wire (Drain pump)Cable tie L

(2) Clamp drain hose B with cable tie L. (Fig. 1-1)

Fig.1-1

Cable tie L

Drain pump assy

Drain hose B

4 mm or less

(3) Install drain hose A to the drain pan assy. (Fig. 1)

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(4) Clamp drain hose A with cable tie L.

After cutting the insulation (Fig. 2), cover the connection

parts with insulation. (Fig. 2-1) (Fig. 2-2)

Fig.2 Fig.2-1

Cut

INSULATION

10 mm

(2-3/4

13/23 in.)

Drain hose A

Drain pan assy

Insulation

Cable tie L

Fig.2-2

Cable tie L

Insulation

Drain hose A

No gap

Drain pan assy

Indoor unit drain pipe

Type 1: 20±1mm (13/16 ±1/16 in)

Type 2: 10±1mm (3/8 ±1/16 in)

For Type 2

Attach Drain pump mount A, Drain pump mount B, and Drain pump mount C.

Fix them using the tapping screw.

Drain pump mount B

Tapping Screw (2)

Drain pump mount C

Tapping Screw (2)

Drain pump mount A

Tapping Screw (2)

(5) Connect the wire (ﬂ oat switch) and wire (drain pump). (Fig. 1)

INSTALLATION TO INDOOR UNIT

When attaching the L-shaped pipe, it is recommended to attach the L-shaped pipe before

attaching the drain pump unit.

For Type 1

(1) Cut a knockout hole for air conditioner top piping (Fig. 4). Remove the burrs created by

cutting using a ﬁ le, etc.

(2) Remove the indoor unit air ﬁ lter, grille, side cover, and decoration cover.

(3) Install the Drain pump assy to the indoor unit. (Fig. 3)

(4) Tighten 4 tapping screws. (Fig. 4)

(5) Install the Drain pan assy to the indoor unit. (Fig. 3)

(6) Tighten 4 tapping screws. (Fig. 4)

(7) Insert drain hose A into the indoor unit drain pipe and clamp drain hose A with cable tie

L (Fig. 4), and cover the connecting part with insulation. (Fig. 2-2)

(8) After removing the control box cover, remove the control box body screws.

(9) Insert the wire (Drain pump) and the wire (Float switch) into PCB (Fig. 5) Insert the

lead wire ﬁ rmly until the connector clicks lock up. The connector No. and the connector

position are diﬀ erent in each PCB depending on PCB type. Refer to the table 1-2.

Fig.3

Drain up Mechanism

Grille

Control box cover

Side cover

Decoration cover

A side

Drain pump assy

Drain pan assy

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Fig.4 A side view

Drain hose A

Insulation

Second step

Tapping Screw (4)

for Drain pan assy

Indoor unit

drain pipe

Knockout hole

Drain hose B

First step

Tapping Screw (4)

for Drain pump assy

Cable tie L

Fig.5

Wire (Float switch)

Red

Blue

Wire

(Drain pump)

CN15

CN6

Control box

Red

Blue

(Example. TYPE A)

For Type 2

(1) Cut a knockout hole for air conditioner top piping. Remove the burrs created by cutting

using a ﬁ le, etc.

(2) Install the Drain pump assy to the indoor unit. (Fig. 6)

(3) Tighten 4 tapping screws. (Fig. 8)

(4) Install the Drain pan assy to the indoor unit. (Fig. 6)

(5) Tighten 4 tapping screws. (Fig. 8)

Prepare a short screw driver because the screw position has a narrow space.

(6) Insert drain hose A into the indoor unit drain pipe and clamp drain hose A with cable tie

L (Fig. 7), and cover the connecting part with insulation. (Fig. 2-2)

(7) Wire the insert the wire (drain pump) and the wire (ﬂ oat switch) as shown in Fig.9.

(8) Insert the wire (Drain pump) and the wire (Float switch) into PCB (Fig. 10) Insert the

lead wire ﬁ rmly until the connector clicks lock up. The connector No. and the connector

position are diﬀ erent in each PCB depending on PCB type. Refer to the table 3.

Fig.6

Drain up Mechanism

Drain pump assy

Drain pan assy

Fig.7

Knockout hole

Drain hose B

Indoor unit

drain pipe

Insulation

Cable tie L

Drain hose A

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Fig.8

First step

Tapping Screw (4)

Second step

Tapping Screw (4)

Fig.9

Wire (Float switch)

Clamp

Wire (Drain pump)

Fig.10

Wire (Drain pump)

Blue

Red

Wire (Float switch)

CN9

CN106

Red

Blue

(Example. TYPE F)

Table.1

TYPE A TYPE B TYPE C

PCB

CN15

FLOAT SWITCH

Red

CN6

DRAIN PUMP

Blue

Red

Blue

CN15

FLOAT SWITCH

SUB

PCB

CN5

DRAIN PUMP

CN9

Red

Blue

CN106

DRAIN PUMP

FLOAT SWITCH

CN15 (Red) CN15 (Red) CN9 (Red)

DRAIN PUMP CN6 (Blue) CN5 (Blue) CN106 (Blue)

Table.2

TYPE D TYPE E

PCB

CN106

SUB

PCB

CN1

FLOAT

SWITCH

Red

DRAIN PUMP

Blue

CN106

SUB

PCB

CNA05

FLOAT

SWITCH

Red

DRAIN PUMP

Blue

FLOAT SWITCH CN1 (Red) CNA05 (Red)

DRAIN PUMP CN106 (Blue) CN106 (Blue)

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Table.3

TYPE F

PCB

CN106

CN9

FLOAT SWITCH

Red

DRAIN PUMP

Blue

FLOAT SWITCH CN9 (Red)

DRAIN PUMP CN106 (Blue)

AIR CONDITIONER INSTALLATION

(1) Install the indoor unit with Drain Up Mechanism mounted to the ceiling.

When installing the indoor unit, read the installation manual supplied with the indoor

unit.

(2) Set up drain hose B along the connection piping and clamp it with cable tie LL so that it

does not loose.

Fig.11

Cable tie LL

Connection pipe

Drain hose B

Ceiling

DRAIN PIPE INSTALLATION

(1) Connect a drain pipe to drain hose B, as required.

Clamp the connecting part with cable tie L so there will be no water leakage and cover

the connecting part with insulation. Use a drain pipe with a good insulating eﬀ ect.

(2) Set up the drain hose for a maximum rise 500 mm (19-3/4 in.) and give the drain pipe a

downward gradient of 1/25 to 1/100. (Fig. 12)

(3) Install the drain pipe so there is no rise, trap, or air bleed. (Fig. 13)

Fig.12

1.5 to 2 m (5 to 6.5 ft)

Max. rise 500 mm

(19-3/4 in.)

Supporter

Indoor unit

Fig.13

Rise

Trap

Air Bleeding

PROHIBITED

Indoor unit

Indoor unit Indoor unit

TEST RUN

(1) After installation, run the air conditioner in the cooling mode and slowly pour 1.5 to 2.0

liters (3 to 4 pints) of water into the air conditioner outlet section indoor unit drain pan

and check that drain is normal and there is no water leaking from the connections.

(2) To check operation of the safety devices, lift the ﬂ oat switch with a screwdriver, or

similar device, and check that the indoor unit stops.

Fujitsu UTR-DPB24T Installation guide

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