Toshiba RAS-18NKHP-E Bedienungsanleitung

FILE NO. SVM-06004

SERVICE MANUAL

AIR CONDITIONER

SPLIT WALL TYPE

RAS-18NKHP-E / RAS-18NAH-E

RAS-18NKP-E / RAS-18NA-E

RAS-24NKP-E / RAS-24NA-E

RAS-B18NKPX / RAS-18N2AX

RAS-24NKPX / RAS-24N2AX

24 Class18 Class

May, 2006

–1–

FILE NO. SVM-06004

CONTENTS

1. SPECIFICATIONS

2. CONSTRUCTION VIEWS

2-1 Indoor Unit

2-2 Outdoor Unit (24 Class)

2-3 Outdoor Unit (18 Class)

3. WIRING DIAGRAM

3-1

3-2

RAS-18NKHP-E/ RAS-18NAH-E

3-3

RAS-24NKP-E / RAS-24NA-E, RAS-24NKPX / RAS-24N2AX

RAS-18NKP-E/ RAS-18NA-E, RAS-18NKPX / RAS-18N2AX

4. SPECIFICATION OF ELECTRICAL PARTS

4-1 Indoor Unit

(RAS-18NKHP-E)

4-2 Outdoor Unit (RAS-18NAH-E)

4-3 Indoor Unit (RAS-24NKP-E, RAS-24NKPX,

4-4 Outdoor Unit (RAS-24NA-E, RAS-24N2AX)

4-5 Outdoor Unit (RAS-18NA-E, RAS-18N2AX)

5. REFRIGERATION CYCLE DIAGRAM

5-1

5-2

RAS-18NKHP-E/ RAS-18NAH-E

5-3

RAS-24NKP-E / RAS-24NA-E,

5-4

RAS-18NKP-E/ RAS-18NA-E

RAS-B18NKPX / RAS-18N2AX

6. CONTROL BLOCK DIAGRAM

6-1 RAS-18NKHP-E

6-2 RAS-18NKP-E / RAS-18NA-E, RAS-B18NKPX / RAS-18N2AX

RAS-24NKP-E / RAS-24NA-E, RAS-24NKPX, RAS-24N2AX

RAS-18NKP-E, RAS-18NKPX)

RAS-24NKPX / RAS-24N2AX

7-10 QUIET Mode

7. OPERA

7-11 COMFORT SLEEP mode

TION DESCRIPTION

7-1 Outline of Air Conditioner Control

7-2 Description of Operation Circuit

7-3 Hi POWER Mode

7-4 High-Temperature Limit Control

7-5 Low-Temperature Limit Control

7-6 Defrosting Operation

7-7 Auto Restart Function

7-8 Filter Check Lamp

7-9 Self-Cleaning function

−2 −

FILE NO. SVM-06004

8. INSTALLATION PROCEDURE

8-1 Safety Cautions

8-2 Installation Diagram of Indoor and Outdoor Units

8-3 Installation

8-4 Indoor Unit

8-5 Outdoor Unit

8-6 How to Set Remote Control Selector Switch

8-7 Others

9. TROUBLESHOOTING CHART

9-1 Troubleshooting Procedure

9-2 Basic Check Items

9-3 Primary Judgement

9-4 Self-Diagnosis by Remote Control (Check Code)

9-5 How to Diagnose Faulty Part

9-6 Troubleshooting for Indoor Unit

9-7 Troubleshooting for Wiring (Interconnect cable and Serial Signal Wire)

9-8 Troubleshooting for P.C. Board

9-9 Troubleshooting for Remote Control

10. PARTS REPLACEMENT

10-1 Indoor Unit

10-2 Outdoor Unit (RAS-24NA-E, RAS-24N2AX)

10-3 Outdoor Unit (RAS-18NAH-E, RAS-18NA-E, RAS-18N2AX)

11. EXPLODED VIEWS AND PARTS LIST

11-1 Indoor Unit (E - Parts Assy)

11-2 Indoor Unit

11-3 Outdoor Unit

11-4 Outdoor Unit (RAS-24NA-E, RAS-24N2AX)

(RAS-18NAH-E)

11-5 Outdoor Unit (RAS-18NA-E, RAS-18N2AX)

– 3 –

FILE NO. SVM-06004

MODEL RAS-24NKP-E RAS-24NKPX

RAS-24N2AX

ITEM Cooling Cooling

Capacity kW

220 V 240 V 220 V 240 V

6.40 6.45 6.40 6.45

Phase 1∅

Power source V220 – 240

Hz 50

Power consumption W2350 2440 2350 2440

Power factor %99909990

Running current A0.3/10.5 0.3/11.00.3/10.50 0.3/11.0

Indoor/Outdoor

Starting current A

Moisture removal lit/h

Noise

Indoor (H/M/L) dB 45/43/41/39/37

Outdoor (220 – 240 V) dB 56-57

Refrigerant Name of refrigerant R22

Rated amount kg

Refrigerant control Capillary tube

Gas side size mm ∅15.88

Connection type Flare connection

Liquid side size mm ∅6.35

Interconnection Connection type Flare connection

pipe Maximum length m

15*1

(One way)

Maximum height m10

difference

INDOOR UNIT RAS-24NKP-E RAS-24NKPX

Height mm 298

Dimensions Width mm 998

Depth mm220

Net weight kg 13

Evaporator type Finned tube

Indoor fan type Cross flow fan

High fan m3/h 900

Air volume Medium fan m3/h

Low fan m3/h

Fan motor output W

Air filter Honeycomb woven filter with PP frame

OUTDOOR UNIT RAS-24NA-E RAS-24N2AX

Height mm 715

Dimensions Width mm780

Depth mm290

Netweight kg52

Condenser type Finned tube

Outdoor fan type Propeller fan

Airflow volume m3/h 2600 2400 2600

Fan motor output W42

Compressor Model

Output W1800

Safety device IOL

Louver type Automatic louver

Usable outdoor temperature range °C 21 ~ 43

1. SPECIFICATIONS

RAS-24NA-E

1.68

2400

PH400X3CS-4KT1

2.7

750

625

25*2

– 4 –

FILE NO. SVM-06004

MODEL RAS-18NKHP-E RAS-18NKP-E RAS-B18NKPX

RAS-18NAH-E RAS-18NA-E RAS-18N2AX

ITEM Cooling Heating Cooling Cooling

Capacity kW

220 V 240 V220 V 240 V

220 V 240 V 220 V 240 V

5.05 5.05 5.80 5.90 5.20 5.25 5.20 5.25

Phase 1∅

Power source V220 – 240

Hz 50

Power consumption W

1920 2040 1800 1950

1910 1990 1910 1990

Power factor %9588948692859285

Running current A0.2/9.150.2/9.40 0.3/9.150.3/9.40

Indoor/Outdoor 8.99.48.49.2

Starting current A42

Moisture removal lit/h 2

Noise Indoor (H/M/L) dB

Outdoor (220 – 240 V) dB 52-53 53-54 51 52 51 52

Refrigerant Name of refrigerant R22

Rated amount kg 1.00

Refrigerant control Capillary tube

Gas side size mm ∅12.7

Connection type Flare connection

Liquid side size mm ∅6.35

Interconnection Connection type Flare connection

pipe Maximum length m15*1

(One way) 20*2

Maximum height m8

difference

INDOOR UNIT RAS-18NKHP-E RAS-18NKP-E RAS-B18NKPX

Height mm 298

Dimensions Width mm 998

Depth mm220

Net weight kg 13

Evaporator type Finned tube

Indoor fan type Cross flow fan

High fan m3/h 900900 900

Air volume Medium fan m3/h 650 700 650

Low fan m3/h 530 570 530

Fan motor output W30

Air filter Honeycomb woven filter with PP frame

OUTDOOR UNIT RAS-18NAH-E RAS-18NA-E RAS-18N2AX

Height mm 550

Dimensions Width mm780

Depth mm290

Net weight kg 43 41

Condenser type Finned tube

Outdoor fan type Propeller fan

Airflow volume m3/h

Fan motor output W42

Compressor Model

Output W

Safety device IOL, Td Sensor IOL

Louver type Automatic louver

Usable outdoor temperature range °C 15 ~ 43 –10 ~ 24 21 ~ 43

PH340X3C-4KT1

44/42/39/37/35

Note *1 Chargeless pipe

*2 Maximum pipe

2350

2350 2550

0.3

0.3 0.3 0.3

44/42/39/37/35

1.53

550

780

290

2550

2350

1500

2550

– 5 –

FILE NO. SVM-06004

Note : 1

•Capacity is based on the following temperature conditions.

Note : 2

•Charge refrigerant according to the table below.

RAS-18NKHP-E / RAS-18NAH-E

RAS-24NKP-E / RAS-24NA-E RAS-18NKP-E / RAS-18NA-E

Refrigerant RAS-24NKPX / RAS-24N2AX RAS-B18NKPX / RAS-18N2AX

*1 No need to charge 15 m or less 15 m or less

extra refrigerant

*2 Need to charge Over 15 m up to 25 m (30 g/m) Over 15 m up to 20 m (20 g/m)

extra refrigerant

Temperature Condition JIS B8615-1

Cooling Heating

Indoor unit inlet air temperature (DB) 27°C 20°C

(WB) 19°C 15°C

Outdoor unit inlet air temperature (DB) 35°C 7°C

(WB) 24°C 6°C

CONSTRUCTIONVIEWS

Air outlet

Plasma air purifierHeat exchangerAir filter

Air inlet

998

220

Knock out system

75 56

58 19

163

Wireless remote control

Connection pipe (0.49 m)

(Flare ∅6.35)

Drain hose (0.54 m)

90 or more

Minimum distance

to ceiling

100

450

100

∅

998

298

763.5

5555 55 41

∅

(For stud bolt

∅

(For stud bolt

∅

−

∅

10)

Installation

Plate outline

Outline of indoor unit

Connection pipe (0.39 m)

(For 24 series and RAS-18NKDX4-T2 : Flare ∅15.88)

(For 18 series except RAS-18NKDX4-T2 : Flare ∅12.7)

Back body

Front panel

Grille inlet

298

Knock out system

2-1. Indoor Unit

−6 −

FILE NO. SVM-06004

HANDLE

COVER-PV

HANDLE

600

Z View Service port

321

307

A Detail Drawing (Back leg)

25 Drain outlet

2Ø11x14 Hole

(For Ø8-Ø10 anchor bolt) B

Ø6Hole

Ø11x14 Hole

36 R15

5.5

Ø6 hole

321

124109

600 or more

Air out

let

321

600

Air inlet

4xØ11 Long holes(For Ø8- Ø10 anchor bolt)

Gas-side

(Flare Ø15.88)

Liquid side

(Flare Ø6.35)

90 600 90 69 342

321

36 R15

B Detail Drawing (Front leg)

Ø436

FAN-GUARD

715

290

275

600 or more

129

Electrical part cover

321

307

100 or more

Installation dimension

2-2. Outdoor Unit (24 Class)

−7 −

FILE NO. SVM-06004

321

307

Z View

600

A detail Drawing (Back leg)

321

307

25 Drain outlet 11 x 14 Hole

(For 8 - 10 anchor bolt)

B Detail Drawing (Front leg)

FAN-GUARD

COVER-PV

Electrical part cover

Liquid side

(Flare 6.35)

Gas side

(Flare 12.7)

Service port

4x 11 Long holes(For 8- 10 anchor bolt)

Installation dimension

Air outlel

100 or more

600 or more

Air intlel

ØØØ

Ø6 hole

Ø11x14 hole

321

R5.5

109 124

129

600

321

9060090

275

290

550

Ø436

R15

321

342

ØØØ

2-3. Outdoor Unit(18 Class)

−8 −

FILE NO. SVM-06004

DISCHARGE

PIPE

SENSOR (TD)

HEAT

EXCHANGER

SENSOR (TE)

CN08

CN07 BLU

BLU

BLK

LN3

FERRITE CORE

GRN&YEL

RED

BLK

MAGNETIC

CONTACTOR

RA1

52C

PNK

WHI

COMPRESSOR TERMINAL

BLK

CWHI BLK BLK

COIL FOR

4 WAY VALVE

RED

CAPACITOR CAPACITOR

BLK

WHI

RED CN01

CN05

GRY

GRN&YEL

CHASSIS

TRANSFORMER

BLK

RED

CN11

BLU

YEL

CN02

BLU

CN03

F01

250VAC T6. 3A

CR11

CR12

CR13

RY07

RY05

RY06

SG01

CN06

TNR

R74

TNR

R73

MAIN P.C. BOARD (MCC-890)

FILE NO. SVM-06004

POWER SUPPLY

220-240V~ 50Hz

INDOOR

TERMINAL

BLOCK

OUTDOOR

TERMINAL

BLOCK

INDOOR

UNIT

OUTDOOR

UNIT

1 2 3 4 65 10

Infrared rays receive

5 64 CN13

321 78 9

9871 2 3 CN25

P04BLK

4 6

WHI

250V6.3A

F01

DSA Varistor

motor

Louver

BLU

ORN

5 2

RED

YEL

CN07

PNK

98 1071 2 3

and Indication parts

4 65

YEL

GRY

BRW

TEMP FUSE

145 C

+5 VDC

+12 VDC

Serial Signal

circuit

MAIN P.C. BOARD

(WP-003)

CN23

CN31

CN30

BRW

BLU

WP-003

COMPRESSOR FAN MOTOR

3-1.RAS-18NKHP-E / RAS-18NAH-E

–9 –

BRW : BROWN

RED : RED

WHI : WHITE

YEL : YELLOW

BLU : BLUE

BLK : BLACK

GRY : GRAY

ORN : ORANGE

GRN : GREEN

GRN&YEL : GREEN & YELLOW

COLOR IDENTIFICATION

PNK : PINK

3. WIRING DIAGRAM

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