Carrier 42NQ009N Manual de usuario

FILE NO. SVM-10036-1

42NQ009N / 38NY009N

April, 2010

SERVICE MANUAL

AIR CONDITIONER

SPLIT WALL TYPE

− 1 −

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

7-9 ECO Operation

OPERATION DESCRIPTION

7-1

7-7 Current Limit Control

Remote control

7-8 Hi POWER Mode

7-2 Outline of Air Conditioner Control

7-3 Description of Operation Mode

7-4 High-Temperature Limit Control

7-5 Low-Temperature Limit Control

7-6 Defrost Operation

FILE NO. SVM-10036

7-10 Auto Restart Function

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

− 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 Troubleshooting Flowcharts

9-6 Troubleshooting for Remote Control (Including The Indoor P.C.Board)

10. PARTS REPLACEMENT

10-1 Indoor Unit

10-2 Outdoor Unit

11. EXPLODED VIEWS AND PARTS LIST

11-1 Indoor Unit (E-Parts Assy)

•This air conditioner is charged with

HFC (R410A) that doesn't deplete the

Ozone layer.

•This air conditioner requires special

installation for the refrigerant R410A.

FILE NO. SVM-10036

Outdoor Unit

11-3

11-2 Indoor Unit

− 3 −

MODEL 42NQ009N / 38NY009N

ITEM Cooling Heating

Capacity 220V 240V 220V 240V

kW 2.73 2.73 2.92 2.94

Phase 1∅

Power source V220 −240

Hz 50

Power consumption kW 0.84 0.86 0.80 0.82

Power factor %98 97 97 96

Running Indoor A 0.15

current Outdoor A3.73 3.53 3.60 3.40

Starting current A 18

Moisture removal lit/h 1.2

Noise Indoor (H/M+/M/L+/L) dB 40/38/36/34/32

Outdoor (220-240V) dB 47 49 47 49

Refrigerant Name of refrigerant R410A

Rated amount kg 0.78

Refrigerant control Capillary tube

Gas side sizemm ∅9.52

Connection type Flare connection

Liquid side sizemm ∅6.35

Interconnection

Connection type Flare connection

pipe

Maximum length m 10*1

(One way)

Maximum height

difference

INDOOR UNIT 42NQ009N

Height mm 250

Dimensions Width mm 740

Depth mm 195

Net weight kg 8

Evaporator type Finned tube

Indoor fan type Cross flow fan

High fan m3/h 540 560

Air volume Medium fan m3/h 460 500

Low fan m3/h 390 400

Fan motor output W 20

Air filter Honeycomb woven filter with PP frame

OUTDOOR UNIT

Height mm 550

Dimensions Width mm 780

Depth mm290

Net weight kg 31

Condenser type Finned tube

Outdoor fan type Propeller fan

Airflow volume m3/h 1740 1850 1740 1850

Fan motor output W30

Compressor Model PA108X1C-4FZDN

Output W 750

Safety device Fuse, Overload relay

Louver type Automatic louver

Usable outdoor temperature range °C 15 ~ 43 −10 ~ 24

m 5

FILE NO. SVM-10036

1. SPECIFICATIONS

38NY009N

− 4 −

Note : 1

•Capacity is based on the following temperature conditions.

Note : 2

Temperature

Condition

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

*1 No need to charge extra refrigerant.

JIS C9612

FILE NO. SVM-10036

2. CONSTRUCTION VIEWS

2-1. Indoor Unit

FILE NO. SVM-10036

– 5 –

Wireless remote control

(Flare 9.52)

157

2-2. Outdoor Unit

−6 −

FILE NO. SVM-10036

320

306

Z View

600

A detail Drawing (Back leg)

320

306

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

(Flare9.52)

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

R15

28 A

320

R5.5

108125

129

600

320

9060090

290

550

Ø436

R15

320

342

ØØØ

275

− 7 −

3. WIRING DIAGRAM

INDOOR

TERMINAL

BLOCK

IC35

INDOOR

OUTDOOR

CHASSIS

BLK

RED

CAPACITOR

WHI BLK

SOLENOID COIL

BLK

CAPACITOR

FAN

MOTOR

WHI

OUTDOOR

TERMINAL

BLOCK

BLK

WHI

RED

BLU

WHI

BLK

CN27

CR02

CR01

21 3

C15

321 6

54 8

321 6

54 8

WHI

RED

BRW

YEL

BLK

4 4

5 5

3 3

1 1

2 2 GRY

AC FAN MOTOR

MAIN P.C. BOARD

WP-015

145CCN10 CN11

BLK

THERMO

SENSOR (TA) HEAT EXCHANGER

SENSOR (TC)

CN03 CN01

C01 C02 R319

DB01

321 6

54 8

321 6

54 8

BLU

WHI

BLU

CN14

2CN04 1

534 21

534 2

WHI

YEL

LOUVER

MOTOR INFRARED RAYS RECEIVE

AND INDICATION PARTS

CN25

BLK

BRW

BLU

GRN & YEL

SINGLE PHASE

220-240V 50/60Hz

R21

VARISTOR

YEL

PINK

CN07

THERMAL FUSE

73 C x2

L01

C63

Power

Module

Micro

DC12V

Voltage

Regulator

DC5V

CN31

SG01

DSA R22

VARISTOR

T6.3A 250VAC

RY01

BLK

P04

3 3

1 1

T02

C.T. RY03 RY04

(L)

(N)

BLK

RED RED

PNK

COMPRESSOR

OVER LOAD RELAY

BLK

FILE NO. SVM-10036

− 8−

4-2.Outdoor Unit

No. Parts name Type Specifications

Output (Rated) 750W , 2poles, 1 phase, 220 −240V, 50Hz

1Compressor PA108X1C-4FZDN Winding resistance (Ω)C-R C-S

(at 20°C) 3.75 4.75

Output (Rated) 30W, 6poles, 1 phase, 220 −240V, 50Hz

2Fan motor (for outdoor) Winding resistance (Red-BlackWhite-Black

(at 20°C) 237

380

3Running capacitor DS451155NPQB AC 450V~, 1.5µ

(for fan motor)

4Running capacitor RS44B256U0213S AC 440V~, 25µF

(for compressor)

5Solenoid coil

(for 4-way valve) −

AC 220 − 240V~

WLF-240-30A

Overload relay

LPAP960B U/T: 6.1A(80°C), Open: 135±5°C, Close: 78±11°C

4. SPECIFICATION OF ELECTRICAL PARTS

4-1. Indoor Unit

No. Parts name Type Specifications

1Fan motor (for indoor) AFN-220-20-4D AC Motor with 145 °C thermo fuse

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

3Micro power module (M01) GPS-9W-AA

4Microcontroller unit (IC30) TMP87CM40AFG-6P69

5 Heat exchanger sensor 10k at 25 C

(TC-sensor)

6Line filter (L01) *SS11V-R06270 27mH, 600mA

7Bridge rectifier (DB01) DB105G 1A, 600 V

8Capacitor (C63) EKMH401VSN470MP20S 47mF, 400 V

9Fuse (F01) BET6.3A 6.3A, 250VAC

10 Varistor (R21, R22) SR561K14DO 560 V

11 Resistor (R319) RF-2TK5R6 5.6 , 2 W

12 Louver motor 24BYJ48 12VDC

13 Relay (Comp., RY01) G4A-1A-E-CA Rating 20A/AC250 V, 12VDC

14 Relay (Fan, RY03) 202N-1AC-C E Rating 3A/AC250 V, 12VDC

15 Relay (Solenoide, RY04) Rating 3A/AC250 V, 12VDC

202N-1AC-C E

FILE NO. SVM-10036

Ω)

−9−

FILE NO. SVM-10036

5. REFRIGERATION CYCLE DIAGRAM

Note :

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

Ambient temp.

conditions DB/WB

(°C)

Indoor Outdoor

Standard 2.95 43.5High 20/15 7/6

Heating Overload 3.70 57.0 Low27/−24/18

Low temperature 2.40 32.0 High 20/−−10/−10

Standard 0.9310.5High 27/19 35/24

Cooling Overload 1.08 15.0 High 32/23 43/26

Low temperature 0.69 2.0 Low21/15 21/15

Fan speed

(indoor)

50Hz

Indoor unit

Cross flow fan

Cooling

Heating

4-way valve

Heating Cooling Compressor

Heat exchanger

Propeller fan

Outdoor unit

PA108X1C-4FZDN

Cooling

Heating

Mark( )means check points of Gas Leak.

O.D.:9.52mm O.D.:6.35mm

Cooling

Heating

Packed valve

(∅9.52)

Packed valve

(∅6.35)

0.39m

(Connecting pipe)

∅9.52

0.49m

(Connecting pipe)

∅6.35

Refrigerant

R410A : 0.78kg.

Capillary tube

∅1.5x1200

Accumulator

Heat exchanger

Capillary tube

∅1.5x1000

Standar d

pressure

(MPaG)

Surface temp. of heat

exchanger inter changing

pipe

(°C)

•

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