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/
0.3/
0.3/
0.2/
0.2/
0.2/
0.2/
Indoor/Outdoor 11.2 11.1 11.2
11.28
9.0 9.5 8.5 9.3
Starting current A
60
45
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
m
298
998
208
13
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
40
48
450
20
20
48
100
75 65
50
998
51
208
850
298
775
50
998
298
10
763.5
5555 55 41
29
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
40
48
450
20
20
48
100
75 65
50
998
51
208
850
298
775
50
998
298
10
763.5
5555 55 41
29
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
27
50
690
880 74
140
88
310
340
340 (pitch) 12
12
364
A
∅12x18 hole
ADetail Drawing
∅25 Drain outlet
52
Handle
Installation dimension
600
100 or more 100 or more
600 or more
600 or more
Air outlet
Air inlet
Electric Parts cover
Liquid side (Flare ∅6.35)
Gas side (Flare ∅15.88)
Service Port
600
340
23
68
Handle
4-∅12x18
for ∅8 −∅10 anchor bolt
4-∅12x18 holes (for ∅8 −∅10 anchor bolt)
FILE NO. SVM-05010