Mitsubishi Heavy Industries SRK09CI Bedienungsanleitung

ROOM AIR-CONDITIONING

TECHNICAL MANUAL & PARTS LIST

WALL MOUNTED TYPE

ROOM AIR-CONDITIONER

(Split system, air cooled cooling only type)

SRK09CI, 12CI

SRK10CIV-4, 13CIV-4

TECHNICAL MANUAL

1. SRK09CI, 12CI ............................................................. 1

2. SRK10CIV-4, 13CIV-4.................................................. 33

( )

1. SRK09CI, 12CI

WALL MOUNTED TYPE

ROOM AIR-CONDITIONER

Split system, air cooled

cooling only type

CONTENTS

1.1 GENERAL INFORMATION ......................................................................... 3

1.1.1 Specific features ..................................................................................... 3

1.1.2 How to read the model name ................................................................. 3

1.2 SELECTION DATA ...................................................................................... 4

1.2.1 Specifications ......................................................................................... 4

1.2.2 Range of usage & limitations ................................................................ 6

1.2.3 Exterior dimensions ................................................................................ 6

1.2.4 Piping system ......................................................................................... 8

1.2.5 Selection chart ........................................................................................ 9

1.3 ELECTRICAL DATA .................................................................................. 10

1.3.1 Electrical wiring ..................................................................................... 10

1.4 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER ............. 11

1.4.1 Operation control function by remote control ................................... 11

1.4.2 Unit ON/OFF button .............................................................................. 12

1.4.3 Power blackout auto restart function ................................................. 12

1.4.4 Custom cord switching procedure ..................................................... 13

1.4.5 Flap control ........................................................................................... 13

1.4.6 TIMER operation ................................................................................... 14

1.4.7 Outline of cooling operation ................................................................ 15

1.4.8 Outline of dry operation ....................................................................... 16

1.4.9 Outline of auto operation ..................................................................... 17

1.4.10 Outline of fan operation ....................................................................... 17

1.4.11 Outline of clean operation ................................................................... 17

1.4.12 Protective control function .................................................................. 18

1.5 APPLICATION DATA ................................................................................. 19

1.5.1 Selection of location for installation ................................................... 20

1.5.2 Installation of indoor unit .................................................................... 21

1.5.3 Installation of outdoor unit .................................................................. 24

1.5.4 Connection of refrigerant pipings ....................................................... 24

1.5.5 Installation of remote control .............................................................. 25

1.5.6 Earthing work ........................................................................................ 25

1.5.7 Test run ................................................................................................... 26

1.5.8 Precautions for wireless remote control installation and

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

1.6 MAINTENANCE DATA .............................................................................. 27

1.6.1 Trouble shooting .................................................................................. 27

1.6.2 Servicing ................................................................................................ 31

1.1 GENERAL INFORMATION

1.1.1 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

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

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

¡Memory flap : Once the flap position is set, the unit memorizes the position and continues to operate at the same position from

the next time.

(2) Auto operation

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

TIMER lightRUN light

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

1 time flash

1.1.2 How to read the model name

Example : SR K 09 C I

Series No.

Cooling only type

Product capacity

Wall mounted type

Split type room air-conditioner

1.2 SELECTION DATA

1.2.1 Specifications

Model SRK09CI (Indoor unit)

SRC09CI (Outdoor unit)

(2) The operation data are applied to the 220 V or 230 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 SRK09CI SRC09CI

kW 2.64

Cooling capacity(1)

BTU/h 9000

Power source 1 Phase, 220/230V, 50Hz

Cooling input kW 0.90

Running current (Cooling) A 4.2

Inrush current A 18

COP (In cooling) 2.93

Noise level(4) dB 41 49

Exterior dimensions mm 268 ×790 ×224 540 ×645 ×245

Height ×Width ×Depth

Color Fine snow Polar white

Net weight kg 8.0 27

Refrigerant equipment –RSA201A034

Compressor types & Q’ty

Motor kW –0.68

Starting method –Line starting

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

Refrigerant control Capillary tubes

Refrigerant(3) kg R22 0.43 (Pre-Charged up to the piping length of 7.5m)

Refrigerant oil R0.28 (SUNISO 4GSI or ATMOS NM56)

Air handling equipment Tangential fan ×1Propeller fan ×1

Fan type & Q’ty

Motor W 14 22

Air flow (at High) CMM 9.0 24

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), ECONO (Orange)

Safety equipment Frost protection, 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)

Recommended breaker size A 20

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°C 19°C 35°C 24°C ISO-T1, JIS C9612

(220/230V)

Operation

data

(1)

(2) The operation data are applied to the 220 V or 230 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 SRK12CI SRC12CI

kW 3.37

Cooling capacity(1)

BTU/h 11500

Power source 1 Phase, 220/230V, 50Hz

Cooling input kW 1.10

Running current (Cooling) A 5.1

Inrush current A 29

COP (In cooling) 3.06

Noise level(4) dB 42 49

Exterior dimensions mm 268 ×790 ×224 540 ×780 ×290

Height ×Width ×Depth

Color Fine snow Stucco white

Net weight kg 8.5 33

Refrigerant equipment –RSA201A035

Compressor types & Q’ty

Motor kW –1.0

Starting method –Line starting

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

Refrigerant control Capillary tubes

Refrigerant(3) kg R22 0.63 (Pre-Charged up to the piping length of 7.5m)

Refrigerant oil R0.41 (SUNISO 4GSI or NM56M)

Air handling equipment Tangential fan ×1Propeller fan ×1

Fan type & Q’ty

Motor W 14 22

Air flow (at High) CMM 10.0 32

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), ECONO (Orange)

Safety equipment Frost protection, 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)

Recommended breaker size A 20

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°C 19°C 35°C 24°C ISO-T1, JIS C9612

Model SRK12CI (Indoor unit)

SRC12CI (Outdoor unit)

(220/230V)

Operation

data

(1)

1.2.2 Range of usage & limitations

1.2.3 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 SRK09CI, 12CI

Unit: mm

Piping hole (ø65)

( )

Piping hole (ø65)

53.5

09 :ø9.52

12 :ø12.7

Piping for Gas

53.5

44.5

7.5

44.5 43.2

39.3

202450138

133.5450206.5

102.5

585

102.5

252.2

8.3

200

380.6

Piping for Liquid 448.6 (ø6.35)

Drain hose 520 (ø16)

17.5 60 27

788

VIEW A

2.1

960

124

224 3

Terminal block

Piping hole right(left)

268

790

→

Model SRC12CI

Unit: mm

Terminal block

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

Unit: mm

(2) Outdoor unit

Model SRC09CI

192.5

372.5

82.5 480

82.5

61.5

2-ø12 Terminal

block

127.7 33.3

40˚ 40˚

645

Drain holes

Service valve (Gas)

Flare connecting ø9.52 (3/8˝)

Service valve (Liquid)

Flare connecting ø6.35 (1/4˝)

13.5

274.5

300

245

540

100.3 39.7

14.4

1.2.4 Piping system

Model SRK09CI

Model SRK12CI

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

Accumulator

Service valve

(Gas)

Capillary tube

Piping

(Gas)

ø9.52

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)

ø12.7

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