Toshiba RAS-24UKHP-E3 User manual

FILE NO. SVM-04008-(1)

SERVICE MANUAL

AIR CONDITIONER

SPLIT WALL TYPE

RAS-24UKHP-E3 / RAS-24UAH-E3

RAS-18UKHP-E3 / RAS-18UAH-E3

RAS-24UKP-E3 / RAS-24UA-E3

RAS-18UKP-E3 / RAS-18UA-E3

RAS-24UKP-AR3 / RAS-24UA-AR3

RAS-18UKP-AR3 / RAS-18UA-AR3

RAS-24UKPX3 / RAS-24UAX3

RAS-18UKPX3 / RAS-18UAX3

RAS-24UKPX3-T / RAS-24UAX3-T

RAS-18UKPX3-T2 / RAS-18UAX3-T2

18 Class

(Heat pump model) 24 Class18 Class

(Cooling only model)

June 2004

– 1 –

FILE NO. SVM-04008

CONTENTS

1. SPECIFICATIONS

2. CONSTRUCTION VIEWS

2-1 Indoor Unit

2-2 Outdoor Unit (RAS-24UAH-E3, RAS-24UA-E3, RAS-24UAX3, RAS-24UA-AR3,

RAS-24UAX3-T, RAS-18UAX3-T2)

2-3 Outdoor Unit (RAS-18UAH-E3)

2-4 Outdoor Unit (RAS-18UA-E3, RAS-18UAX3, RAS-18UA-AR3)

3. WIRING DIAGRAM

3-1 RAS-24UKHP-E3 / RAS-24UAH-E3

3-2 RAS-18UKHP-E3 / RAS-18UAH-E3

3-3 RAS-24UKP-E3 / RAS-24UA-E3, RAS-24UKP-AR3 / RAS-24UA-AR3

RAS-24UKPX3 / RAS-24UAX3, RAS-24UKPX3-T/ RAS-24UAX3-T

3-4 RAS-18UKP-E3 / RAS-18UA-E3, RAS-18UKPX3 / RAS-18UAX3

3-5 RAS-18UKP-AR3 / RAS-18UA-AR3

3-6 RAS-18UKPX3-T2 / RAS-18UAX3-T2

4. SPECIFICATION OF ELECTRICAL PARTS

4-1 Indoor Unit (RAS-24UKHP-E3, RAS-18UKHP-E3)

4-2 Outdoor Unit (RAS-24UAH-E3)

4-3 Outdoor Unit (RAS-18UAH-E3)

4-4 Indoor Unit (RAS-24UKP-E3, RAS-24UKPX3, RAS-24UKP-AR3, RAS-24UKPX3-T,

RAS-18UKP-E3, RAS-18UKPX3, RAS-18UKP-AR3, RAS-18UKPX3-T2)

4-5 Outdoor Unit (RAS-24UA-E3, RAS-24UAX3, RAS-24UAX3-T)

4-6 Outdoor Unit (RAS-24UA-AR3)

4-7 Outdoor Unit (RAS-18UAX3, RAS-18UA-E3)

4-8 Outdoor Unit (RAS-18UA-AR3)

4-9 Outdoor Unit (RAS-18UAX3-T2)

5. REFRIGERATION CYCLE DIAGRAM

5-1 RAS-24UKHP-E3 / RAS-24UAH-E3

5-2 RAS-18UKHP-E3 / RAS-18UAH-E3

5-3 RAS-24UKP-E3 / RAS-24UA-E3

5-4 RAS-24UKPX3 / RAS-24UAX3, RAS-24UKPX3-T/ RAS-24UAX3-T

5-5 RAS-18UKP-E3 / RAS-18UA-E3

5-6 RAS-18UKPX3 / RAS-18UAX3

5-7 RAS-18UKP-AR3 / RAS-18UA-AR3

5-8 RAS-18UKPX3-T2 / RAS-18UAX3-T2

6. CONTROL BLOCK DIAGRAM

6-1 RAS-24UKHP-E3, RAS-18UKHP-E3

6-2 RAS-18UKP-E3 / RAS-18UA-E3, RAS-18UKPX3 / RAS-18UAX3

RAS-18UKP-AR3 / RAS-18UA-AR3, RAS-18UKPX3-T2 / RAS-18UAX3-T2

RAS-24UKP-E3 / RAS-24UA-E3, RAS-24UKPX3 / RAS-24UAX3

RAS-24UKP-AR3 / RAS-24UA-AR3, RAS-24UKPX3-T / RAS-24UAX3-T

−2 −

FILE NO. SVM-04008-(1)

7. OPERATION 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

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-24UAH-E3, RAS-24UA-E3, RAS-24UAX3, RAS-24UA-AR3,

RAS-24UAX3-T, RAS-18UAX3-T2)

10-3 Outdoor Unit (RAS-18UAH-E3)

10-4 Outdoor Unit (RAS-18UA-E3, RAS-18UAX3, RAS-18UA-AR3)

11. EXPLODED VIEWS AND PARTS LIST

11-1 Indoor Unit (E - Parts Assy)

11-2 Indoor Unit

11-3 Outdoor Unit (RAS-24UAH-E3)

11-4 Outdoor Unit (RAS-18UAH-E3)

11-5 Outdoor Unit (RAS-24UA-E3, RAS-24UAX3, RAS-24UAX3-T)

11-6 Outdoor Unit (RAS-24UA-AR3)

11-7 Outdoor Unit (RAS-18UAX3-T2)

11-8 Outdoor Unit (RAS-18UA-E3, RAS-18UAX2)

11-9 Outdoor Unit (RAS-18UA-AR3)

7-9 Self-Cleaning function

– 3 –

FILE NO. SVM-04008

MODEL

RAS-24UKHP-E3 RAS-24UKP-E3 RAS-24UKPX3 RAS-24UKP-AR3 RAS-24UKPX3-T

RAS-24UAH-E3 RAS-24UAX3

RAS-24UA-AR3 RAS-24UAX3-T

ITEM Cooling Heating Cooling Cooling Cooling Cooling

Capacity kW

220 V 240 V 220 V 240 V

220 V 240 V 220 V 240 V 220 V 240 V 220 V

6.30 6.30 6.80 6.90 6.40 6.45 6.40 6.45 6.40 6.45 6.40

Phase 1∅

Power source V 220 – 240 220

Hz 50

Power consumption W

2430 2510 2390 2490

2350 2440 2350 2440 2350 2440 2350

Power factor %9692949099909990969199

220 V 240 V 220 V 240 V

220 V 240 V 220 V 240 V 220 V 240 V 220 V

Running current A0.3/ 0.3/ 0.3/0.3/0.3/10.5 0.3/10.8 0.3/10.50 0.3/10.80.3/10.9 0.3/10.8 0.3/10.50

Indoor/Outdoor 11.2 11.1 11.2

11.28

Starting current A6067 67 67 48

Moisture removal lit/h 2.5 2.7

Noise Indoor (H/M/L) dB 45/41/37

Outdoor (220 – 240 V) dB 56-57 57-58 56-57 56

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 m15*1

(One way) 25*2

Maximum height m10

difference

INDOOR UNIT RAS-24UKHP-E3 RAS-24UKP-E3 RAS-24UKPX3 RAS-24UKP-AR3 RAS-24UKPX3-T

Height mm 298

Dimensions Width mm 998

Depth mm 208

Net weight kg 12

Evaporator type Finned tube

Indoor fan type Cross flow fan

High fan m3/h 950

Air volume Medium fan m3/h 750 800 750

Low fan m3/h 600 650 600

Fan motor output W 30

Air filter Honeycomb woven filter with PP frame

OUTDOOR UNIT RAS-24UAH-E3 RAS-24UA-E3 RAS-24UAX3 RAS-24UA-AR3 RAS-24UAX3-T

Height mm 690

Dimensions Width mm 880

Depth mm 310

Net weight kg 64 58

Condenser type Finned tube

Outdoor fan type Propeller fan

Airflow volume m3/h 3380 3560 3380 3560 3380 3560 3380 3560 3380

Fan motor output W 65

Compressor Model PH310X3-4MM 2JS386D5BB02

Output W2200 1800

Safety device IOL, Td Sensor IOL

Louver type Automatic louver

Usable outdoor temperature range °C 15 ~ 43 –10 ~ 24 15 ~ 43 15 ~ 43 15 ~ 52 15 ~ 43

1. SPECIFICATIONS

RAS-24UA-E3

1.63

1.80 1.80 1.63 1.80

– 4 –

FILE NO. SVM-04008

MODEL

RAS-18UKHP-E3RAS-18UKP-E3RAS-18UKPX3RAS-18UKP-AR3RAS-18UKPX3-T2

RAS-18UAH-E3RAS-18UA-E3RAS-18UAX3RAS-18UA-AR3RAS-18UAX3-T2

ITEM Cooling Heating Cooling Cooling Cooling Cooling

Capacity kW

220 V 240 V 220 V 240 V

220 V 240 V 220 V 240 V 220 V 240 V 220 V

5.05 5.05 5.80 5.90 5.20 5.25 5.20 5.25 5.20 5.25 5.15

Phase 1∅

Power source V 220 – 240 220

Hz 50

Power consumption W

1920 2040 1800 1950

1910 1990 1910 1990 1920 2040 1560

Power factor %9588948692859285958898

220 V 240 V220 V 240 V

220 V 240 V 220 V 240 V 220 V 240 V 220 V

Running current A 0.2/ 0.2/ 0.2/ 0.2/ 0.2/9.250.2/9.50 0.2/9.25 0.2/9.50 0.2/9.0 0.2/9.5 0.2/6.94

Indoor/Outdoor 9.0 9.5 8.5 9.3

Starting current A 40 35

Moisture removal lit/h 2

Noise Indoor (H/M/L) dB 42/39/35

Outdoor (220 – 240 V) dB 52-53 53-54 51 52 51 52 515256

Refrigerant Name of refrigerant R22

Rated amount kg 1.29 1.051.17 1.47

Refrigerant control Capillary tube

Gas side size mm ∅12.7 ∅15.88

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-18UKHP-E3 RAS-18UKP-E3 RAS-18UKPX3 RAS-18UKP-AR3 RAS-18UKPX3-T2

Height mm 298

Dimensions Width mm 998

Depth mm 208

Net weight kg 12

Evaporator type Finned tube

Indoor fan type Cross flow fan

High fan m3/h 750 800 750 950

Air volume Medium fan m3/h 650 700 650 650

Low fan m3/h 530 570 530 530

Fan motor output W30

Air filter Honeycomb woven filter with PP frame

OUTDOOR UNIT RAS-18UAH-E3 RAS-18UA-E3 RAS-18UAX3 RAS-18UA-AR3 RAS-18UAX3-T2

Height mm 538 690

Dimensions Width mm 830 880

Depth mm 300 310

Net weight kg 53 47 46 46 54

Condenser type Finned tube

Outdoor fan type Propeller fan

Airflow volume m3/h 2105 2310

1830 2010

1830 2010 1830 2010 3380

Fan motor output W654265

Compressor Model PH250X3-4LM PH210T2-4L7

Output W 1500 1700 1500

Safety device IOL, Td Sensor IOL

Louver type Automatic louver

Usable outdoor temperature range °C 15 ~ 43 –10 ~ 24 15 ~ 43 15 ~ 43 15 ~ 52 15 ~ 43

2JS350D5DA02

– 5 –

FILE NO. SVM-04008

Note : 1

•Capacity is based on the following temperature conditions.

Note : 2

•Charge refrigerant according to the table below.

RAS-24UKHP-E3 / RAS-24UAH-E3 RAS-18UKHP-E3 / RAS-18UAH-E3

RAS-24UKP-E3 / RAS-24UA-E3 RAS-18UKP-E3 / RAS-18UA-E3

Refrigerant RAS-24UKPX3 / RAS-24UAX3 RAS-18UKPX3 / RAS-18UAX3

RAS-24UKP-AR3 / RAS-24UA-AR3 RAS-18UKP-AR3 / RAS-18UA-AR3

RAS-24UKPX3-T/ RAS-24UAX3-TRAS-18UKPX3-T2/ RAS-18UAX3-T2

*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 C9612-1994

Cooling Heating

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

(WB) 19°C 12°C

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

(WB) 24°C 6°C

– 6 –

FILE NO. SVM-04008

2. CONSTRUCTIONVIEWS

2-1. Indoor Unit

208

55 or more

Minimum distance

to ceiling

998

298

100

450

100

∅65

998

298

763.5

5555 55 41

57 18

160

∅65

Back body

Knock out system

Front panel

Grille inlet

Knock out system

Connection pipe (0.39 m)

(For 24 series and RAS-18UKPX3-T2 : Flare ∅15.88)

(For 18 series except RAS-18UKPX3-T2 : Flare ∅12.7)

Connection pipe (0.49 m) Wireless remote control

(Flare ∅6.35)

(For stud bolt ∅6)

(For stud bolt ∅8 −∅10)

Drain hose (0.54 m)

Installation

Plate outline

Outline of indoor unit

–7 –

FILE NO. SVM-04008

2-2.Outdoor Unit (RAS-24UAH-E3, RAS-24UA-E3, RAS-24UAX3, RAS-24UA-AR3,

RAS-24UAX3-T,RAS-18UAX3-T2)

120

63.8

340

600

690

880 74

140

310

340

340 (pitch) 12

364

∅12x18 hole

ADetail Drawing

∅25 Drain outlet

Handle

Installation dimension

600

100 or

600 or

Air outlet

Air inlet

Electric

Parts cover

Liquid side

(Flare ∅6.35)

Gas side

(Flare ∅15.88)

Service Port

600

340

Handle

4-∅12x18

for ∅8 −∅10

anchor bolt

4-∅12x18 holes

(for ∅8 −∅10 anchor bolt)

–8 –

FILE NO. SVM-04008

2-3.Outdoor Unit (RAS-18UAH-E3)

ADetail Drawing

∅6 hole

R10

∅11x14 hole

∅25 Drain outlet

Fan guard

∅420

Electric

Parts cover

Liquid side

(Flare ∅6.35)

Gas side

(Flare ∅12.7)

Installation dimension

100 or more Air inlet 600 or more

100 or more

Air inlet

Air

outlet

600 or

600

344

325

91 54

600

830

120

325

Handle

538

300

Service Port

4x∅11x14

for ∅8 −∅10

anchor bolt

8-∅6 holes

(for fixing outdoor unit)

6-∅11x14 holes

(for ∅8 −∅10 anchor bolt)

–9 –

FILE NO. SVM-04008

2-4.Outdoor Unit (RAS-18UA-E3, RAS-18UAX3, RAS-18UA-AR3)

9090

65.5

600

780

∅420

Fan guard

538

300

Handle ∅25Drain outlet 8-∅6 hole

(for fixing outdoor unit)

325

120

Liquid side

(Flare ∅6.35)

Gas side

(Flare ∅12.7)

52.5

Service

Port

Electric parts cover

344

130

100

Installation dimension

100 or more Air inlet 600 or more

100 or more

Air inlet

Air

outlet

600 or

600

325

301

325

∅11x14 hole

∅6 hole

R10

600

Detail Drawing

4x∅11x14

for ∅8 −∅10

anchor bolt

4-∅11x14 hole

(for ∅8 −∅10 anchor bolt)

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