Carrier 42CJR024-723 User manual

42CJR024-723 / 38CJR024-723

42CJR018-723 / 38CJR018-723

42TAR024X-723 / 38TAR024X-723

42TAR018-723 / 38TAR018-723

SERVICE MANUAL

AIR CONDITIONER

SPLIT WALL TYPE

42HNR024-713 / 38HNR024-713

42HNR018-713 / 38HNR018-713

FILE NO. SVM-05010-2

18 Class

(Heat pump model)

24 Class18 Class

(Cooling only model)

Revised Aug, 2005

CONTENTS

1. SPECIFICATIONS

2. CONSTRUCTION VIEWS

2-1 Indoor Unit (42CJR024-723, 42TAR024X-723, 42TAR018-723)

2-2 Outdoor Unit (42CJR018-723, 42HNR018-713, 42HNR024-713)

2-3 Outdoor Unit (38CJR024-723, 38TAR024X-723, 38TAR018-723, 38HNR024-713)

2-4 Outdoor Unit (38CJR018-723)

3. WIRING DIAGRAM

3-1 42CJR024-723 / 38CJR024-723, 42TAR024X-723 / 38TAR024X-723

3-2 42CJR018-723 / 38CJR018-723

4. SPECIFICATION OF ELECTRICAL PARTS

4-1 Indoor Unit (42CJR024-723, 42CJR018-723, 42TAR024X-723, 42TAR018-723)

4-2 Indoor Unit (42HNR024-713, 42HNR018-713)

4-3 Outdoor Unit (38CJR024-723, 38TAR024X-723)

4-4 Outdoor Unit (38CJR018-723)

5. REFRIGERATION CYCLE DIAGRAM

5-1 42CJR024-723 / 38CJR024-723, 42TAR024X-723 / 38TAR024X-723

5-2 42HNR024-713 / 38HNR024-713

5-3 42CJR018-723 / 38CJR018-723

6. CONTROL BLOCK DIAGRAM

7. OPERATION DESCRIPTION

7-1 Outline of Air Conditioner Control

7-2 Description of Operation Circuit

7-3 High-Temperature Limit Control

7-4 Low-Temperature Limit Control

7-5 Defrost Operation

7-6 Auto Restart Function

3-442HNR018-713 / 38HNR018-713

3-542HNR024-713 / 38HNR024-713

4-5 Outdoor Unit (38TAR018-723)

4-6Outdoor Unit (38HNR024-713)

FILE NO. SVM-05010

– 1–

5-442TAR018-723 / 38TAR018-723

5-542HNR018-713 / 38HNR018-713

6.1 42CJR024-723, 42CJR018-723, 42TAR024X-723, 42TAR018-723

6.2 42HNR024-713, 42HNR018-713

3-342TAR018-723 / 38TAR018-723

2-5Outdoor Unit (38HNR018-713)

4-7Outdoor Unit (38HNR018-713)

7-7Filter Check Lamp

–2–

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 Parts

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. PART REPLACEMENT

10-1 Indoor Unit

10-2 Outdoor Unit (38CJR024-723, 38TAR024X-723, 38TAR018-723)

10-3 Outdoor Unit (38CJR018-723)

11. EXPLODED VIEWS AND PARTS LIST

11-1 Indoor Unit (E - Parts Assy)

11-2 Indoor Unit

11-3 Outdoor Unit (38CJR024-723, 38TAR024X-723)

11-4 Outdoor Unit (38TAR018-723)

10-4 Outdoor Unit (38HNR024-713)

10-5 Outdoor Unit (38HNR018-713)

FILE NO. SVM-05010

11-5 Outdoor Unit (38CJR018-723)

11-6 Outdoor Unit (38HNR024-713)

11-7 Outdoor Unit (38HNR018-713)

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

– 3 –

1. SPECIFICATIONS

MODEL 42CJR024-723 / 38CJR024-72342TAR024X-723 / 38TAR024X-723

ITEM Cooling

Capacity kW 220V 240V 220V

6.40 6.45 6.40

Phase 1∅

Power source V 220 – 240 220

Hz 50

Power consumption W2420 25102250

Power factor %989295

220V240V220V

R unning current A 0.3/10.90.3/11.1 0.3/10.5

Indoor/Outdoor

Starting current A67

Moisture removal lit/h 2.7

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

Outdoor (220 – 240V) dB 56-57 56

Refrigerant Name of refrigerant R22

Rated amount kg 1.70

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 42CJR024-72342TAR024X-723

Height mm 298

Dimensions Width mm 998

Depth mm 208

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 750

Low fan m3/h 625

Fan motor output W 30

Air filter Honeycomb woven filter with PP frame

OUTDOOR UNIT 38CJR024-72338TAR024X-723

Height mm 690

Dimensions Width mm 880

Depth mm 310

Net weight kg 58

Condenser type Finned tube

Outdoor fan type Propeller fan

Airflow volume m3/h 3380 3560 3380

Fan motor output W 65

Compressor Model PH400X3CS-4KT1

Output W 1800

Safety device IOL

Louver type Automatic louver

Usable outdoor temperature range °C21 ~ 43

FILE NO. SVM-05010

Note *1 Chargeless pipe

*2 Maximum pipe

– 4 –

MODEL 42CJR018-723 / 38CJR018-72342TAR018-723 / 38TAR018-723

ITEM Cooling

Capacity kW 220V 240V 220V

5.20 5.255.10

Phase 1∅

Power source V 220 – 240 220

Hz 50

Power consumption W1920 2000 1560

Power factor %928698

220V 240V 220V

Running current A 0.2/9.25 0.2/9.50 0.3/6.94

Indoor/Outdoor

Starting current A42 42

Moisture removal lit/h 2

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

Outdoor (220 – 240V) dB 51 52 56

Refrigerant Name of refrigerant R22

Rated amount kg 1.17 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 42CJR018-72342TAR018-723

Height mm 298

Dimensions Width mm 998

Depth mm 208

Net weight kg 13

Evaporator type Finned tube

Indoor fan type Cross flow fan

High fan m3/h 750 900

Air volume Medium fan m3/h 667

Low fan m3/h 543

Fan motor output W 30

Air filter Honeycomb woven filter with PP frame

OUTDOOR UNIT 38CJR018-72338TAR018-723

Height mm 550 690

Dimensions Width mm 780 880

Depth mm270310

Net weight kg 4151

Condenser type Finned tube

Outdoor fan type Propeller fan

Airflow volume m3/h 21202200 3380

Fan motor output W 42 65

Compressor Model PH340X3C-4KT1 PH290X2C-4FT1

Output W1500 1700

Safety device IOL

Louver type Automatic louver

Usable outdoor temperature range °C21 ~ 43

FILE NO. SVM-05010

45/39/33

Note *1 Chargeless pipe

*2 Maximum pipe

– 5–

FILE NO. SVM-05010

MODEL

42HNR024-713

42HNR018-713

38HNR024-713

38HNR018-713

ITEM Cooling

Heating Cooling Heating

Capacity kW

220 V 240 V

220 V

240 V

220 V 240 V

220 V

240 V

6.30 6.30

6.80

6.90 5.05 5.05

5.80

5.90

Phase ∅1

Power source V 220 −240

Hz 50

Power consumption W

2430 2510 2390 2490 1920 2040 1800 1950

Power factor % 96 92 94 90 95 88 94 86

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

Running current A0.3/

0.3/

0.2/

Indoor/Outdoor 11.2 11.1 11.2

11.28

9.0 9.5 8.5 9.3

Starting current A

Moisture removal lit/h 2.5 2.0

Noise Indoor (H/M/L) dB 45/41/37 42/39/35

Outdoor (220 −240V) dB

56-57

57-58

52-53 53-54

Refrigerant Name of refrigerant R22

Rated amount kg 1.75 1.17

Refrigerant control Capillary tube

Gas side size mm ∅15.88 ∅12.7

Connection type Flare connection

Liquid side size mm ∅6.35

Interconnection Connection type Flare connection

pipe Maximum length m15*1

(One way) 25*220*2

Maximum height 10 8

difference

INDOOR UNIT 42HNR024-71342HNR018-713

Height mm 298

Dimensions Width mm998

Depth mm220

Net weight kg 13

Evaporator type Finned tube

Indoor fan type Cross flow fan

High fan m3/h 900

750

800

Air volume Medium fan m3/h 750

790

667

708

Low fan m3/h 625

667

543

584

Fan motor output W 30

Air filter Honeycomb woven filter with PP frame

OUTDOOR UNIT 38HNR024-71338HNR018-713

Height mm 690 538

Dimensions Width mm880 830

Depth mm 310 300

Net weight kg

6154

Condenser type Finned tube

Outdoor fan type Propeller fan

Airflow volume m3/h 3380 3560 2105 2310

Fan motor output W 65

Compressor Model 2JS386D5BB02 2JS350D5A02

Output W

1800

1700

Safety device

IOL, Td Sensor IOL, Td Sensor

Louver type Automatic louver

Usable outdoor temperature range °C 21 ~ 43

−10 ~ 24

21 ~ 43 −10 ~ 24

298

998

208

Note *1 Chargeless pipe

*2 Maximum pipe

Note : 2

Charge refrigerant according to the table below.

extra refrigerant

*2NeedtochargeOver 15 mup to 25 m(30 g/m)

Over 15 mup to 20 m(20 g/m)

extra refrigerant

Refrigerant 42CJR024-723 / 38CJR024-72342CJR018-723 / 38CJR018-723

42TAR024X-723 / 38TAR24X-723

42HNR024-713 / 38HNR024-713

42TAR018-723 / 38TAR18-723

42HNR018-713 / 38HNR018-713

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

Note : 1

•Capacity is based on the following temperature conditions.

Temperature Condition JIS B8615-1

Cooling Heating

Indoor unit inlet air temperature

(DB) 27°C20°C

(WB) 19°C12°C

Outdoor unit inlet air temperature

(DB) 35°C7°C

(WB) 24°C6°C

FILE NO. SVM-05010

– 6–

– 7–

2. CONSTRUCTIONVIEWS

2-1.Indoor Unit (42CJR024-723,42TAR024X-723,42TAR018-723)

55 or more

100

450

100

75 65

998

208

850

298

775

998

298

763.5

5555 55 41

Knock out system Knock out system

Connecting pipe (0.39 m)

(Flare ∅15.88)

Drain hose (0.54 m)

Connecting pipe (0.49 m)

(Flare ∅6.35)

(For stud bolt ∅6)

(For stud bolt ∅8 −∅10)

∅65

Installation

Plate outline

Minimum distance

to ceiling

Outline of indoor unit

∅65

Wireless remote control

54 16

135

Back body

Front panel

Grille inlet

FILE NO. SVM-05010

– 8–

2-2.Outdoor Unit (42CJR018-723, 42HNR018-713, 42HNR024-713)

55 or more

100

450

100

75 65

998

208

850

298

775

998

298

763.5

5555 55 41

Knock out system Knock out system

Connecting pipe (0.39 m)

(Flare ∅12.7)

Drain hose (0.54 m)

Connecting pipe (0.49 m)

(Flare ∅6.35)

(For stud bolt ∅6)

(For stud bolt ∅8 −∅10)

∅65

Installation

Plate outline

Minimum distance

to ceiling

Outline of indoor unit

∅65

Wireless remote control

54 16

135

Back body

Front panel

Grille inlet

FILE NO. SVM-05010

– 9–

2-3.Outdoor Unit (38CJR024-723,38TAR024X-723,38TAR018-723,38HNR024-713)

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)

FILE NO. SVM-05010

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