Carrier 42NQ018N Manual de usuario

42NQ018N / 38NY018N

SERVICE MANUAL

AIR CONDITIONER

SPLIT WALL TYPE

FILE NO. SVM-10035-1

Revised Apr, 2010

–1–

FILE NO. SVM-10035

CONTENTS

1. SPECIFICATIONS

2. CONSTRUCTION VIEWS

2-1 Indoor Unit

2-2 Outdoor Unit

3. WIRING DIAGRAM

4. SPECIFICATION OF ELECTRICAL PARTS

4-1 Indoor Unit

4-2 Outdoor Unit

5. REFRIGERATION CYCLE DIAGRAM

6. CONTROL BLOCK DIAGRAM

7. OPERATION DESCRIPTION

7-2Outline of Air Conditioner Control

7-3Description of Operation Circuit

7-4Description of Safety and Reliability Prevention Function

7-5ECO Operation

7-6FILTER check lamp

7-7Auto Restart Function

7-1 Remote control

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 Others

FILE NO. SVM-10035

9-5Troubleshooting Flowcharts

Troubleshooting for Wiring

HOW TO REPLACE THE MAIN PARTS

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)

9-6

9-7Troubleshooting for P.C. Board

9-8Troubleshooting for Remote Control

10.

10-1 Indoor Unit

10-2 Outdoor Unit

11. EXPLODED VIEWS AND PARTS LIST

11-1 Indoor Unit (E - Parts Assy)

11-2 Indoor Unit

11-3 Outdoor Unit

–2–

−3 −

FILE NO. SVM-10035

1. SPECIFICATIONS

MODEL

ITEM Cooling Heating

Phase

Power consumption kW

Power factor %

Running Indoor A

Current Outdoor A

Starting current A

Moisture removal lit/h

Noise Indoor (H/M+/M/L+/L) dB

Outdoor dB

Refrigerant Name of refrigerant

Rated amount kg

Refrigerant control

Interconnection Gas side size mm

pipe Connection type

Liquid side size mm

Connection type

Maximum length m

(One way)

Maximum height m

difference

INDOOR UNIT

Dimensions Height mm

Width mm

Depth mm

Net weight kg

Evaporator type

Indoor fan type

Airflow volume High fan m3/h

Medium fan m3/h

Low fan m3/h

Fan motor output W

Air filter

OUTDOOR UNIT

Dimensions Height mm

Width mm

Depth mm

Net weight kg

Condenser type

Outdoor fan type

Airflow volume m3/h

Fan motor output W

Compressor Model

Output W

Safety device

Louver type

Usable outdoor temperature range °C

Note *1 Chargeless pipe

*2 Maximum pipe

1500

57 57 58

1.53

6.65 6.70 6.35

1.60

1.51 1.55

98 97

42NQ018N/ 38NY018N

240V 220V 240V

15*1

2550 2400 2550

20*2

42NQ018N

1000

840

750

38NY018N

Automatic louver

15 ~ 43 -10 ~ 24

PA200X2CS-4KU1

Propeller fan

2400

Finned tube

715

780

290

Honeycomb woven filter with PP frame

Finned tube

Cross flow fan

1000

900

770

228

Flare connection

Td Sensor, Fuse, IOL

320

1050

Capillary tube

∅12.7

Flare connection

∅6.35

R410A

44/42/39/37/35

2.0

0.30

7.05

1.58

5.45 5.565.12

Capacity

Power source

220V

5.10

1∅

220 - 240

– 4–

FILE NO. SVM-10035

Note : 1

•Capacity is based on the following temperature conditions.

Note : 2

•Charge refrigerant according to the table below.

Refrigerant

*1 No need to charge 15 m or less

extra refrigerant

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

extra refrigerant

Temperature Condition JIS C9612

Cooling

Indoor unit inlet air temperature (DB) 27°C

(WB) 19°C

Outdoor unit inlet air temperature (DB) 35°C

(WB) 24°C

42NQ018N / 38NY018N

2. CONSTRUCTION VIEWS

2-1 Indoor Unit

FILE NO. SVM-10035

– 5–

262.5

215

235

215

235

320

10947 215.5 153.5

85 23

200

525

278 200 222 150

Hanger 8~

Hanger Hanger

Center line

10)

Installation plate outline

For stud bold (

Outline of indoor unit

786

Knock out system

73.5

228

73.57

Front Panel

Grille Inlet

Knock out system

Air filter

Heat exchanger

Air inlet

Air outlet

1050

320

Drain hose (0.5m)

Connecting pipe (0.39m) (Flare 6.35)

Hanger

(Flare 12.70)

Connecting pipe (0.49m)

Hanger

132

7278

157

Wireless remote controller

Remote controller holder

125

HANDLE

COVER-PV

HANDLE

600

Z View Service port

320

306

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

320

125108

600 or more

Air out

let

320

600

Air inlet

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

Gas-side

(FlareØ

12.70)

Liquid side

(Flare Ø6.35)

90 600 90 69 342

320

36 R15

B Detail Drawing (Front leg)

Ø436

FAN-GUARD

715

290

275

600 or more

129

Electrical part cover

320

306

100 or more

Installation dimension

2.2Outdoor Unit

FILE NO. SVM-10035

– 6–

TRANSFORMER

MAINP.C. BOARD (MCC-890)

OUTDOOR

UNIT

GRN&YEL

FERRITE CORE

DISCHARGE

PIPE

SENSOR (TD)

HEAT

EXCHANGER

SENSOR (TE)

CN08

CN07

BLU

BLK

RED

BLK

MAGNETIC

CONTACTOR

52C

1/L1 5/L3

2/T1 6/T3

PNK

WHI BLK WHI BLK BLK

COIL FOR

4 WAY VALVE

RED

CAPACITOR CAPACITOR

BLK

WHI

RED CN01

CN05

GRY

BLK

RED

CN11

BLU

YEL

CN02

BLU

CN03

F01

250VAC T6. 3A

CR11

CR12

CR13

RY07

RY05

RY06

SG01

CN06

TNR

R74

TNR

R73

COMPRESSOR FAN MOTOR

OUTDOOR

TERMINAL

BLOCK

LN3

1 2

POWER SUPPLY

220-240V~ 50Hz

CHASSIS

3. WIRING DIAGRAM

–7–

FILE NO. SVM-10035

− 8−

FILE NO. SVM-10035

4. SPECIFICATION OF ELECTRICAL PARTS

4-1. Indoor Unit

SWT-77 DC 7V, 12V

No. Parts name Type Specifications

1Fan motor (for indoor) ICF-340-30-2B DC 340V, 30W

2Thermo sensor (TA-sensor) 10k at 25 C

3 Switching Transformer (T01)

4Microcontroller unit (IC15)TMP87CM40ANG-6P68

5 Heat exchanger sensor 10k at 25 C

(TC-sensor)

6Line filter (L01) LC*SS11V-R06270

27mH, 600mA

7Bridge rectifier (DB01) D3SBA60 4A, 600 V

8Capacitor (C03)

EKMH451VSN121MQ35S

120mF, 450V

9Fuse (F01) BET6.3A T6.3A, 250VAC

10 Varistor (R09, R10)SR561K14DO560 V

11 Resistor (R01 )

RF-5TK1R8

1.8 , 5W

12 Louver motor MP24Z3T

12VDC

4-2. Outdoor Unit

Output (Rated) 1500W, 2poles, 1 phase, 220 −240V, 50Hz

1Compressor PA200X2CS-4KU1 Winding resistance (Ω)Red-BlackWhite-Black

(at 20°C) 1.85 2.62

Output (Rated) 42W, 4poles, 1 phase, 220 – 240V, 50Hz

2Fan motor (for outdoor) FG-240-42A-1 Winding resistance (Ω)Red-BlackWhite-Black

(at 20°C) 128 126

3Running capacitor DS451305NPQB AC 450V, 3.0µF

(for fan motor)

4Running capacitor B32332I5606J063 AC 450V, 50µF

(for compressor)

5Solenoid coil VHV (STF) AC 220 −240V

(for 4-way valve)

6Thermo sensor TE / TD 10kΩat 25°C / 50kΩat 25°C

7Magnetic contactor A23T 220 −240V, 50Hz

8Transformer TT-05 220 −240V

9Microcomputer TMP47C840N

No. Parts name Type Specifications

10 Varistor (R73, R74) 15G471K 470V

11 Fuse (F01) TSCR T6.3A, 250V

–9–

FILE NO. SVM-10035

5. REFRIGERATION CYCLE DIAGRAM

Discharge Muffler

∅

25x160L

Heat exchanger

Indoor unit

Cross flow fan

Cooling

Heating

4-way valve

Heating Cooling Compressor

Accumulator

Heat exchanger

Propeller fan

Outdoor unit

Capillary tube

Æ2.0 x 1000

Capillary tube

Æ1.7 x 600

PA200X2CS-4KU1

Cooling

Heating Mark ( ) means check points of Gas Leak.

O.D.:12.7 mm O.D.:6.35 mm

Cooling

Heating

Packed valve

(Æ12.7)

Packed valve

(Æ6.35)

0.39 m

(Connecting pipe) 0.49 m

(Connecting pipe)

Refrigerant

R410A : 1.53 kg.

Æ12.7 Æ6.35

Ambient temp.

conditions DB/WB

(°C)

Indoor Outdoor

Standard 2.53 42.0 High 20/15 7/6

Heating Overload*1 3.30 ~ 3.65 51.0 ~ 55.0 Low27/-24/18

Low temperature 1.75 32.0 High 20/

Standard 0.94 11.0 High 27/19 35/24

Cooling Overload 1.12 15.0 High 32/23 43/26

Low temperature 0.72 4.2 Low21/15 21/15

Standard

pressure

(MPaG)

Surface temp. of heat

exchanger interchanging

pipe

(°C)

Fan speed

(indoor)

50Hz

Note

Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor)

*1 During heating overload operation, a value for the high temperature limit control operation is included.

--10/-10

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