Mitsubishi Heavy Industries SRK10CFV-4 Bedienungsanleitung

ROOM AIR-CONDITIONING

TECHNICAL MANUAL & PARTS LIST

WALL MOUNTED TYPE

ROOM AIR-CONDITIONER

(Split system, air cooled cooling only type)

SRK10CFV-4, 13CFV-4

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TECHNICAL MANUAL

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CONTENTS

1. GENERAL INFORMATION ............................................................................... 2

1.1 Specific features ........................................................................................ 2

1.2 How to read the model name .................................................................... 2

2. SELECTION DATA ............................................................................................ 3

2.1 Specifications............................................................................................. 3

2.2 Range of usage & limitations.................................................................... 5

2.3 Exterior dimensions .................................................................................. 5

2.4 Piping system............................................................................................. 6

2.5 Selection chart ........................................................................................... 7

3. ELECTRICAL DATA ......................................................................................... 8

3.1 Electrical wiring ......................................................................................... 8

4. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER .................... 9

4.1 Operation control function by remote control switch ............................ 9

4.2 Unit ON/OFF button ................................................................................. 10

4.3 Power blackout auto restart function .................................................... 11

4.4 Custom cord switching procedure......................................................... 11

4.5 Flap and louver control ........................................................................... 12

4.6 3D auto operation .................................................................................... 12

4.7 Timer operation ........................................................................................ 13

4.8 Installation location setting .................................................................... 14

4.9 Outline of cooling operation ................................................................... 15

4.10 Outline of dehumidifying operation ....................................................... 16

4.11 Outline of automatic operation ............................................................... 17

4.12 Outline of fan operation .......................................................................... 17

4.13 Outline of clean operation....................................................................... 17

4.14 Protective control function ..................................................................... 18

5. APPLICATION DATA ...................................................................................... 19

5.1 Selection of location for installation ...................................................... 20

5.2 Installation of indoor unit ........................................................................ 21

5.3 Installation of outdoor unit ..................................................................... 24

5.4 Connection of refrigerant pipings .......................................................... 24

5.5 Installation of remote control switch ..................................................... 25

5.6 Earthing work ........................................................................................... 25

5.7 Test run ...................................................................................................... 26

5.8 Precautions for wireless remote control installation and

operation................................................................................................... 26

6. MAINTENANCE DATA.................................................................................... 27

6.1 Trouble shooting ...................................................................................... 27

6.2 Servicing ................................................................................................... 30

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1.2 How to read the model name

Example : SR K 10 C FV -4

TIMER lightRUN light

1GENERAL INFORMATION

1.1 Specific features

The “MITSUBISHI HEAVY INDUSTRIES, LTD.” room air-conditioner: SRK series are of split and wall mounted type and the unit

consists of indoor unit and outdoor unit with refrigerant precharged in factory. The indoor unit is composed of room air cooling equip-

ment with operation control switch and the outdoor unit is composed of condensing unit with compressor.

(1) Remote control flap & louver

The flap & louver can be automatically controlled by operating wireless remote control.

¡Flap swing : The flaps swing up and down successively.

¡Louver swing : The louvers swing left and right successively.

¡3D auto operation : Fan speed and air flow direction are automatically controlled, allowing the entire room to be

efficiently conditioned.

¡Memory flap : Once the flap & louver position is set, the unit memorizes the position and continues to operate

at the same position from the next time.

(2) Automatic operation

When the remote control switch is set on “auto( ) ”, it will either automatically decide operation mode such as cooling and

thermal dry, or operate in the operation mode before it has been turned to automatic control.

(3) Self diagnosis function

¡We are constantly trying to do better service to our customers by installing such judges that show abnormality of operation as

follows.

Room temperature sensor error

Indoor fan motor error

Heat exchanger sensor error

2 time flash

6 time flash

TIMER light

ON Trouble of outdoor unit

2 time flash

RUN light

For Asia

Series No.

Cooling only type

Product capacity

Wall mounted type

Split type room air-conditioner

1 time flash

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2SELECTION DATA

2.1 Specifications

Model SRK10CFV-4 (Indoor unit)

SRC10CFV-4 (Outdoor unit)

(2) The operation data are applied to the 220 V districts respectively.

(3) The refrigerant quantity to be charged includes the refrigerant in 7.5 m connecting piping.

(Purging is not required even in the short piping.)

If the piping length is longer, when it is 7.5 to 15 m, add 10 g refrigerant per meter.

(4) Expressed in sound pressure level.

Notes (1) The data are measured at the following conditions.

Item

Model SRK10CFV-4 SRC10CFV-4

Cooling capacity(1) BTU 9000

Power source 1 Phase, 220V, 50Hz

Cooling input kW 0.73

Running current (Cooling) A 3.4

Inrush current A 18

COP (In cooling) 3.62

Noise level(4) dB 39 45

Exterior dimensions mm 268 ×790 ×199 540 ×780 ×290

Height ×Width ×Depth

Color Fine snow Stucco white

Net weight kg 8.5 30

Refrigerant equipment –RSA201A018

Compressor types & Q’ty

Motor kW –0.69

Starting method –Line starting

Heat exchanger Louver fins & inner grooved tubing Louver fins & inner grooved tubing

Refrigerant control Capillary tubes

Refrigerant(3) kg R22 0.9 (Pre-Charged up to the piping length of 7.5m)

Refrigerant oil R0.35 (SUNISO 4GSI or ATMOS NM56)

Air handling equipment Tangential fan ×1Propeller fan ×1

Fan type & Q’ty

Motor W 16 14

Air flow (at High) CMM 9.0 26.5

Air filter, Q’ty Polypropylene net (washable) ×2–

Shock & vibration absorber –Cushion rubber (for compressor)

Electric heater ––

Operation control Wireless-Remote control –

Operation switch

Room temperature control Microcomputer thermostat –

Pilot lamp RUN (Green), TIMER (Yellow), –

HI POWER (Green), 3D AUTO (Green)

Safety equipment Frost protection, Internal thermostat (for compressor)

Fan motor error protection

O.D mm (in) Liquid line: ø6.35 (1/4") Gas line: ø9.52 (3/8")

Connecting method Flare connecting

Attached length of piping Liquid line: 0.4 m –

Gas line : 0.33 m

Insulation Necessary (Both sides)

Drain hose Connectable

Power source cord 2.5 m (3 cores with Earth)

Size ×Core number 1.5 mm2×3 cores (Including earth cable)

Connecting method Terminal block (Screw fixing type)

Accessories (included) Mounting kit

Optional parts –

Connection

wiring

Refrigerant

piping

Item Indoor air temperature Outdoor air temperature Standards

Operation DB WB DB WB

Cooling 27°C19°C35°C24°CISO-T1, JIS C9612

(220V)

Operation

data

(1)

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(2) The operation data are applied to the 220 V districts respectively.

(3) The refrigerant quantity to be charged includes the refrigerant in 7.5 m connecting piping.

(Purging is not required even in the short piping.)

If the piping length is longer, when it is 7.5 to 15 m, add 10 g refrigerant per meter.

(4) Expressed in sound pressure level.

Notes (1) The data are measured at the following conditions.

Item

Model SRK13CFV-4 SRC13CFV-4

Cooling capacity(1) BTU 12500

Power source 1 Phase, 220V, 50Hz

Cooling input kW 1.06

Running current (Cooling) A 4.9

Inrush current A 29

COP (In cooling) 3.45

Noise level(4) dB 40 49

Exterior dimensions mm 268 ×790 ×199 540 ×780 ×290

Height ×Width ×Depth

Color Fine snow Stucco white

Net weight kg 8.5 37

Refrigerant equipment –RSA201A017

Compressor types & Q’ty

Motor kW –1.09

Starting method –Line starting

Heat exchanger Louver fins & inner grooved tubing Straight fins & inner grooved tubing

Refrigerant control Capillary tubes

Refrigerant(3) kg R22 0.93 (Pre-Charged up to the piping length of 7.5m)

Refrigerant oil R0.41 (SUNISO 4GSI or ATMOS NM56)

Air handling equipment Tangential fan ×1Propeller fan ×1

Fan type & Q’ty

Motor W 16 22

Air flow (at High) CMM 9.5 29.5

Air filter, Q’ty Polypropylene net (washable) ×2–

Shock & vibration absorber –Cushion rubber (for compressor)

Electric heater ––

Operation control Wireless-Remote control –

Operation switch

Room temperature control Microcomputer thermostat –

Pilot lamp RUN (Green), TIMER (Yellow), –

HI POWER (Green), 3D AUTO (Green)

Safety equipment Frost protection, Internal thermostat (for compressor)

Fan motor error protection

O.D mm (in) Liquid line: ø6.35 (1/4") Gas line: ø12.7 (1/2")

Connecting method Flare connecting

Attached length of piping Liquid line: 0.4 m –

Gas line : 0.33 m

Insulation Necessary (Both sides)

Drain hose Connectable

Power source cord 2.5 m (3 cores with Earth)

Size ×Core number 1.5 mm2×3 cores (Including earth cable)

Connecting method Terminal block (Screw fixing type)

Accessories (included) Mounting kit

Optional parts –

Connection

wiring

Refrigerant

piping

Item Indoor air temperature Outdoor air temperature Standards

Operation DB WB DB WB

Cooling 27°C19°C35°C24°CISO-T1, JIS C9612

Model SRK13CFV-4 (Indoor unit)

SRC13CFV-4 (Outdoor unit)

(220V)

Operation

data

(1)

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2.2 Range of usage & limitations

2.3 Exterior dimensions

Indoor return air temperature

(Upper, lower limits)

Refrigerant line (one way) length Max. 15m

All models

Refer to the selection chart

Power source voltage Rating ±10%

Voltage at starting Min. 85% of rating

Frequency of ON-OFF cycle Max. 10 times/h

ON and OFF interval Max. 3 minutes

Outdoor air temperature

(Upper, lower limits)

Vertical height difference between

outdoor unit and indoor unit

Max. 5m (Outdoor unit is higher)

Max. 5m (Outdoor unit is lower)

Item

Models

(1) Indoor unit

Models SRK10CFV-4, 13CFV-4

Unit: mm

Piping hole (ø65)

( )

Piping hole (ø65)

53.5

380.6

Pipng for Liquid 448.6 (ø6.35)

10 :ø9.52

13 :ø12.7

Pipng for Gas

Drain hose 520 (ø16)

53.5

44.5

252.2 7.5

8.3

102.5

585

102.5

133.5450206.5

202450138

44.5 43.2

39.3

200

17.5 60 27

788

199 3

Terminal block

Piping hole right(left)

268

790

VIEW A

→

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(2) Outdoor unit

Models SRC10CFV-4, 13CFV-S

2.4 Piping system

Models All models

Outdoor unitIndoor unit

Room temp.

sensor

Heat

exchanger

Flare connecting

Heat

exchanger

sensor

Piping

(Liquid)

ø6.35

Check joint

Service valve (Liquid)

Flare connecting

Cooling cycle

Heat

exchanger

Compressor

Capillary tube

Accumulator

Service valve

(Gas)

Capillary tube

( )

Piping

(Gas)

10 : ø9.52

13 : ø12.7

Unit: mm

Terminal block

10: ø9.52 (3/8")

13: ø12.7 (1/2")

ø6.35 (1/4")

Flare connecting

Service valve (Gas)

Service valve (Liquid)

Flare connecting

Drain holes

2-16×12

138.4

40°

61.9

18.9165.1510104.9

439.1

111.4

99.4

349.5

313.1

43.1

290

350

23.5312.514

33.5

40°

42.595.9

540

780

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2.5 Selection chart

Correct the cooling capacity in accordance with the conditions as follows. The net cooling capacity can be obtained in the following way.

Net capacity = Capacity shown on specification ✕ Correction factors as follows.

(1) Coefficient of cooling capacity in relation to temperatures

(2) Correction of cooling capacity in relation to one way length of refrigerant piping

It is necessary to correct the cooling capacity in relation to the one way piping length between the indoor and outdoor units.

14 16 18 20 22

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

ISO-T1 Standard ConditionIndoor air W.B. temperature °C W.B.

Cooling

Applicable range

Coefficient of cooling

capacity in relation

to temperature

Cooling operation

Outdoor air D.B.

temperature

°C D.B.

Piping length [m]

Cooling

1.0

0.99

0.975

How to obtain the cooling capacity

Example : The net cooling capacity of the model SRK13CFV-4 with the piping length of 15m, indoor wet-bulb temperature at 19.0˚C

and outdoor dry-bulb temperature 35˚C is Net cooling capacity = 12500 ✕0.975 ✕1.0 = 12187 BTU

SRK13CFV-4 Length 15m Factor by air

temperatures

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51C

FMo

LM1

LM2

Th1

Th2

BKBLLB

Y/GN

BKWH

WHWH BRBR

CFo

ZNR

CONTROL BOX

Printed circuit board

Power source

220V 50Hz

(250V 3.15A)

Outdoor unit

Indoor unit

Wireless

Display

CNE

CNY

CNX

CNM

CNW

52C3N

52C

52C4

CNU

CNG

Back up Sw

R-Amp

BK Black

BL Blue

BR Brown

LB Light blue

YYellow

RD Red

OR Orange

WH White

Y/G Yellow/Green

Color symbol

Symbol Parts name Symbol Parts name

Capacitor for CM

SM Flap motor

Capacitor for FM

Sensor

Louver motor

Capacitor for FM

TTerminal block

CM Compressor motor

ZNR Varistor

FFuse

51C Motor protector for CM

Fan motor (Indoor unit)

52C Magnetic contactor for CM

Fan motor (Outdoor unit)

Meaning of marks

Notes (1) : denotes magnetized relay ×: denotes demagnetized relay

(2) Th

is room temperature sensor. Th

(the heat exchanger sensor) is frost prevention sensor.

Operation

Cooling

Relay symbol Control part

52C CM

Table of relay operations

3ELECTRICAL DATA

3.1 Electrical wiring

Models SRK10CFV-4, 13CFV-4

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