Mitsubishi Heavy Industries SRK20ZJ-S Bedienungsanleitung

TECHNICAL MANUAL

Manual No.'10•SR-T-091

INVERTER RESIDENTIAL AIR CONDITIONERS

(Split system, air to air heat pump type)

Wall mounted type

SRK20ZJ-S

SRK25ZJ-S

SRK35ZJ-S

SRK50ZJ-S

SRK20ZJX-S

SRK25ZJX-S

SRK35ZJX-S

SRK50ZJX-S

SRK60ZJX-S

Floor standing type

SRF25ZJX-S

SRF35ZJX-S

SRF50ZJX-S

Ceiling concealed type

SRR25ZJ-S

SRR35ZJ-S

Ceiling cassette-4way compact type

FDTC25VD

FDTC35VD

'10 • SR-T-091

CONTENTS

1. SPECIFICATIONS ........................................................................................ 5

(2) Outdoor units ....................................................................................... 26

..................................................... 60

(3) Remote controller ................................................................................ 30

(1) Wall mounted type (SRK) ..................................................................... 5

......................................................................... 21

(2) Floor standing type (SRF)

(1) Indoor units .......................................................................................... 21

2. EXTERIOR DIMENSIONS

....................................... 19(4) Ceiling cassette-4way compact type (FDTC)

(3) Ceiling concealed type (SRR) .............................................................. 17

.................................................................... 14

3. ELECTRICAL WIRING .............................................................................. 32

(1) Indoor units .......................................................................................... 32

4. NOISE LEVEL ............................................................................................ 41

(2) Outdoor units ....................................................................................... 37

(1) Wall mounted type (SRK) ..................................................................... 41

(2) Floor standing type (SRF) .................................................................... 50

(4) Ceiling cassette-4way compact type (FDTC) ....................................... 55

....................................... 84

(3) Ceiling concealed type (SRR) .............................................................. 53

7. RANGE OF USAGE & LIMITATIONS

................................................................................... 62

8. CAPACITY TABLES

5. PIPING SYSTEM ...................................................................................... 57

.................................................................................. 68

9. APPLICATION DATA

(1) Wall mounted type (SRK) ..................................................................... 62

(4) Ceiling cassette-4way compact type (FDTC) ....................................... 67

(2) Floor standing type (SRF) .................................................................... 65

(3) Ceiling concealed type (SRR) .............................................................. 66

9.1 Installation of indoor unit ..................................................................... 68

(1) Wall mounted type (SRK) ..................................................................... 68

(3) Ceiling concealed type (SRR) .............................................................. 80

(2) Floor standing type (SRF) .................................................................... 76

(4) Ceiling cassette-4way compact type (FDTC)

9.2 Installation of outdoor unit ................................................................... 90

'10 • SR-T-091

10. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER ...............111

................................................................130

(6) 3D auto operation .............................................................................114

.......................................................126

(7) Timer operation ..................................................................................115

10.1 Models SRK20～50ZJ-S ......................................................................111

.......................................................112

(1) Operation control function by remote controller

(5) Flap and louver control ......................................................................113

(4) Custom cord switching procedure

.........................................................................112(3) Auto restart function

(2) Unit ON/OFF button ...........................................................................112

..................................111

(8) Installation location setting .................................................................115

(9) Outline of heating operation ................................................................116

(11) Outline of automatic operation ...........................................................117

(10) Outline of cooling operation ...............................................................117

(12) Protective control function ...................................................................118

10.2 Models SRK20～60ZJX-S ......................................................................125

(2) Unit ON/OFF button ............................................................................126

(1) Operation control function by remote controller ...................................125

(4) Custom cord switching procedure

(3) Auto restart function ...........................................................................126

(9) Outline of heating operation

(5) Flap and louver control .....................................................................127

(8) Installation location setting ..................................................................129

(6) 3D auto operation ..............................................................................128

(7) Timer operation ....................................................................................129

.......................................................139

(2) Unit ON/OFF button .............................................................................139

(4) Custom cord switching procedure

(3) Auto restart function ............................................................................139

(5) Flap control ........................................................................................140

(8) Outline of heating operation .................................................................141

(6) Air outlet selection ...............................................................................140

(7) Timer operation .....................................................................................141

(10) Outline of cooling operation .............................................................131

(11) Outline of automatic operation ............................................................131

10.3 Models SRF25～50ZJX-S .....................................................................138

(12) Protective control function ...................................................................132

(1) Operation control function by remote controller .................................138

'10 • SR-T-091

(9) Outline of cooling operation .................................................................143

.....................179

(4) Custom cord switching procedure ........................................................151

...............................................................................178

(5) Timer operation ......................................................................................152

(10) Outline of automatic operation ............................................................143

..............................................................................151

(11) Protective control function

(3) Auto restart function ............................................................................151

(2) Unit ON/OFF button

...................................150(1) Operation control function by remote controller

10.4 Models SRR25,35ZJ-S .......................................................................150

..................................................................144

(6) Outline of heating operation .................................................................152

(7) Outline of cooling operation ................................................................153

(9) Protective control function ...................................................................154

(8) Outline of automatic operation ...............................................................154

10.5 Models FDTC25,35VD ..........................................................................160

(1) Remote controller (option parts) ..........................................................160

(3) Operation control function by the indoor controller ..............................163

(2) Operation control function by the wired remote controller ....................162

(4) Operation control function by the outdoor controller .............................172

(4) Troubleshooting procedure (If the air conditioner runs)

11.1 SRK,SRF and SRR series .....................................................................178

(3) Troubleshooting procedure

(If the air conditioner does not run at all)

........178

(1) Cautions .............................................................................................178

(2) Items to check before troubleshooting .................................................178

..........................................................................................199

(10) How to make sure of wireless remote controller ..................................195

11.2 FDTC series

(11) Outdoor unit inspection points ..............................................................196

11.2.1 Diagnosing of microcomputer circuit ...........................................199

(3) Troubleshooting at the indoor unit .....................................................202

(1) Selfdiagnosis function ..........................................................................199

(2) Troubleshooting procedure .................................................................202

(5) Self-diagnosis table .............................................................................180

(6) Service mode (Trouble mode access function) ...................................181

(8)

Phenomenon observed after shortcircuit, wire breakage on sensor

.........193

(7) Inspection procedures corresponding to detail of trouble ....................189

(9) Checking the indoor electrical equipment ...........................................194

11. MAINTENANCE DATA

'10 • SR-T-091

(4) Check of anomalous operation data with the remote controller ..........206

12.1 Instullation of wired remote controller (RC-E4) ...............................248

12.2 Wireles kit (FDTC series : RCN-TC-24W-ER) ....................................254

(5) Inverter checker for diagnosis of inverter output ................................207

..................................................................................210

(6) Outdoor unit controller failure diagnosis circuit diagram

12. OPTION PARTS .......................................................................................248

(2) Troubleshooting

....................................................................................209(1) List of troubles

11.2.2 Troubleshooting flow ....................................................................209

.....................208

12.3 Simple wired remote controoller (FDTC series : RCH-E3) ...............256

12.4 Interface kit (SC-BIKN-E) ....................................................................262

12.5 Super link E board (SC-ADNA-E) ......................................................266

12.6 Ducted type (SRRM) optional parts ......................................................268

■How to read the model name

Example: SRK 20 Z

Series code

Inveter type

Product capacity

Model name SRK : Wall mounted type

SRC : Outdoor unit

SRF : Floor standing type

SRR : Ceiling concealed type

JX-S

Example: FDTC 25 VD

Series code

Product capacity

Model name 〔Ceiling cassette-4way compact type〕

'10 • SR-T-091

'09•SRK-DB-087D

RWA000Z225 B

Model

Item

SRK20ZJ-S

Indoor unit SRK20ZJ-S Outdoor unit SRC20ZJ-S

Cooling capacity (1) W 2000 (1000 (Min.)

2700 (Max.))

Heating capacity (1) W 2700 (1200 (Min.)

3900 (Max.))

Power supply 1 Phase, 220

240 V, 50Hz

Operation

data (1)

Power

consumption

Cooling kW 0.44 (0.21

0.77)

Heating 0.62 (0.27

1.38)

Running

current

Cooling

2.5 / 2.4 / 2.3 (220/ 230/ 240 V)

Heating 3.2 / 3.1 / 3.0 (220/ 230/ 240 V)

Inrush current 3.2 / 3.1 / 3.0 (220/ 230/ 240 V)

COP Cooling 4.55

Heating 4.35

Noise

level

Cooling Sound level dB (A) Hi: 33 Me: 27 Lo: 21 47

Power level dB 49 59

Heating Sound level dB (A) Hi: 36 Me: 31 Lo: 24 46

Power level dB 52 58

Exterior dimensions (Height x Width x Depth) mm 294×798×229 540×780(+62)×290

Exterior appearance

( Munsell color )

Fine snow Stucco white

( 8.0Y 9.3/0.1 ) near equivalent ( 4.2Y 7.5/1.1 ) near equivalent

Net weight kg 9.5 32

Refrigerant

equipment

Compressor type & Q'ty — RM-B5077MDE1 ( Rotary type ) x 1

Motor (Starting method) kW — 0.75 ( Line starting )

Refrigerant oil 0.35 ( DIAMOND FREEZE MA68 )

Refrigerant (3) kg R410A 0.75 ( Pre-Charged up to the piping length of 15m )

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

Refrigerant control Capillary tubes + Electronic expansion valve

Deice control Microcomputer control

Air handling

equipment

Fan type & Q'ty Tangential fan x 1 Propeller fan x 1

Motor W 38 24

Air ﬂow Colling CMM Hi: 7.8 Me: 5.6 Lo: 4.8 29.5

Heating Hi: 9.8 Me: 6.3 Lo: 5.0 25.6

Fresh air intake Not possible —

Air ﬁlter, Quality / Quantity Polypropylene net ( washable ) x 2 —

Shock & vibration absorber — Cushion rubber ( for compressor )

Electric heater — —

Operation

control

Operation switch Wireless-Remote control —

Room temperature control Microcomputer thermostat —

Operation Display RUN: Green, TIMER: Yellow, HI POWER: Green, 3D AUTO: Green

Safety devices

Compressor overheat protection, Overcurrent protection,

Frost protection, Serial signal error protection, Indoor fan motor error protection,

Heating overload protection( High pressure control ), Cooling overload protection

Installation

data

Refrigerant piping size ( O.D ) mm Liquid line: Ǿ6.35 ( 1/4" ) Gas line: Ǿ9.52 ( 3/8" )

connecting method Flare connecting

Attached length of piping m Liquid line : 0.53 —

Gas Line : 0.40

Insulation for piping Necessary ( Both sides ), independent

Refrigerant line (one way )length

Max.15

Vertical height difference between

outdoor unit and indoor unit

Max.10 ( Outdoor unit is higher )

Max.10 ( Outdoor unit is lower )

Drain hose Connectable ( VP 16 ) —

Power cable —

Recommended breaker size A 16

Connection wiring Size x Core numbe 1.5mm2x 4 cores ( Including earth cable )

Connecting method Terminal block ( Screw fixing type )

Accessories (included) Mounting kit, Clean filter

( Allergen clear filter x 1, Photocatalytic washable deodorizing filter x 1 )

Optional parts Interface kit ( SC-BIKN-E )

1 SPECIFICATIONS Adapted to RoHS directive

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

Item

Operation

Indoor air temperature Outdoor air temperature Standards

DB WB DB WB

Cooling 27ºC 19ºC 35ºC 24ºC ISO-T1 , JIS C 9612

Heating 20ºC — 7ºC 6ºC

(2) This air-conditioner is manufactured and tested in conformity with the ISO.

(3) The operation data are applied to the 220/230/240V districts respectively.

(4) The refrigerant quantity to be charged includes the refrigerant in 15m connecting piping.

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

The pipe length is 7.5m.

1. SPECIFICATIONS

(1) Wall mounted type (SRK)

RWA000Z225

'10 • SR-T-091

'09•SRK-DB-087D

Model

Item

SRK25ZJ-S

Indoor unit SRK25ZJ-S Outdoor unit SRC25ZJ-S

Cooling capacity (1) W 2500 (1000 (Min.)

2900 (Max.))

Heating capacity (1) W 3200 (1200 (Min.)

4200 (Max.))

Power supply 1 Phase, 220

240 V, 50Hz

Operation

data (1)

Power

consumption

Cooling kW 0.62 (0.21

0.88)

Heating 0.80 (0.27

1.36)

Running

current

Cooling

3.2 / 3.1 / 3.0 (220/ 230/ 240 V)

Heating 4.0 / 3.8 / 3.7 (220/ 230/ 240 V)

Inrush current 4.0 / 3.8 / 3.7 (220/ 230/ 240 V)

COP Cooling 4.03

Heating 4.00

Noise

level

Cooling Sound level dB (A) Hi: 34 Me: 28 Lo: 21 48

Power level dB 50 60

Heating Sound level dB (A) Hi: 39 Me: 31 Lo: 24 49

Power level dB 55 61

Exterior dimensions (Height x Width x Depth) mm 294×798×229 540×780(+62)×290

Exterior appearance

( Munsell color )

Fine snow Stucco white

( 8.0Y 9.3/0.1 ) near equivalent ( 4.2Y 7.5/1.1 ) near equivalent

Net weight kg 9.5 32

Refrigerant

equipment

Compressor type & Q'ty — RM-B5077MDE1 ( Rotary type ) x 1

Motor (Starting method) kW — 0.75 ( Line starting )

Refrigerant oil 0.35 ( DIAMOND FREEZE MA68 )

Refrigerant (3) kg R410A 0.75 (Pre-Charged up to the piping length of 15m)

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

Refrigerant control Capillary tubes + Electronic expansion valve

Deice control Microcomputer control

Air handling

equipment

Fan type & Q'ty Tangential fan x 1 Propeller fan x 1

Motor W 38 24

Air ﬂow Colling CMM Hi: 7.9 Me: 6.0 Lo: 5.0 32.1

Heating Hi: 10.6 Me: 6.5 Lo: 5.1 25.6

Fresh air intake Not possible —

Air ﬁlter, Quality / Quantity Polypropylene net ( washable ) x 2 —

Shock & vibration absorber — Cushion rubber ( for compressor )

Electric heater — —

Operation

control

Operation switch Wireless-Remote control —

Room temperature control Microcomputer thermostat —

Operation Display RUN: Green, TIMER: Yellow, HI POWER: Green, 3D AUTO: Green

Safety devices

Compressor overheat protection, Overcurrent protection,

Frost protection, Serial signal error protection, Indoor fan motor error protection,

Heating overload protection( High pressure control ), Cooling overload protection

Installation

data

Refrigerant piping size ( O.D ) mm Liquid line: Ǿ6.35 ( 1/4" ) Gas line: Ǿ9.52 ( 3/8" )

connecting method Flare connecting

Attached length of piping m Liquid line : 0.53 —

Gas Line : 0.40

Insulation for piping Necessary ( Both sides ), independent

Refrigerant line (one way )length

Max.15

Vertical height difference between

outdoor unit and indoor unit

Max.10 ( Outdoor unit is higher )

Max.10 ( Outdoor unit is lower )

Drain hose Connectable ( VP 16 ) —

Power cable —

Recommended breaker size A 16

Connection wiring Size x Core numbe 1.5mm2x 4 cores ( Including earth cable )

Connecting method Terminal block ( Screw fixing type )

Accessories (included) Mounting kit, Clean filter

( Allergen clear filter x 1, Photocatalytic washable deodorizing filter x 1 )

Optional parts Interface kit ( SC-BIKN-E )

Adapted to RoHS directive

Item

Operation

Indoor air temperature Outdoor air temperature Standards

DB WB DB WB

Cooling 27ºC 19ºC 35ºC 24ºC ISO-T1 , JIS C 9612

Heating 20ºC — 7ºC 6ºC

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

(2) This air-conditioner is manufactured and tested in conformity with the ISO.

(3) The operation data are applied to the 220/230/240V districts respectively.

(4) The refrigerant quantity to be charged includes the refrigerant in 15m connecting piping.

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

The pipe length is 7.5m.

RWA000Z225 B

RWA000Z225

'10 • SR-T-091

'09•SRK-DB-087D

Model

Item

SRK35ZJ-S

Indoor unit SRK35ZJ-S Outdoor unit SRC35ZJ-S

Cooling capacity (1) W 3500 (1000 (Min.)

3800 (Max.))

Heating capacity (1) W 4000 (1300 (Min.)

4800 (Max.))

Power supply 1 Phase, 220

240 V, 50Hz

Operation

data (1)

Power

consumption

Cooling kW 1.01 (0.21

1.24)

Heating 1.00 (0.29

1.45)

Running

current

Cooling

4.9 / 4.7 / 4.5 (220/ 230/ 240 V)

Heating 4.9 / 4.7 / 4.5 (220/ 230/ 240 V)

Inrush current 4.9 / 4.7 / 4.5 (220/ 230/ 240 V)

COP Cooling 3.47

Heating 4.00

Noise

level

Cooling Sound level dB (A) Hi: 42 Me: 32 Lo: 22 50

Power level dB 58 62

Heating Sound level dB (A) Hi: 43 Me: 37 Lo: 25 51

Power level dB 59 63

Exterior dimensions (Height x Width x Depth) mm 294×798×229 540×780(+62)×290

Exterior appearance

( Munsell color )

Fine snow Stucco white

( 8.0Y 9.3/0.1 ) near equivalent ( 4.2Y 7.5/1.1 ) near equivalent

Net weight kg 9.5 35

Refrigerant

equipment

Compressor type & Q'ty — RM-B5077MDE1 ( Rotary type ) x 1

Motor (Starting method) kW — 0.90 ( Line starting )

Refrigerant oil 0.35 ( DIAMOND FREEZE MA68 )

Refrigerant (3) kg R410A 1.05 (Pre-Charged up to the piping length of 15m)

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

Refrigerant control Capillary tubes + Electronic expansion valve

Deice control Microcomputer control

Air handling

equipment

Fan type & Q'ty Tangential fan x 1 Propeller fan x 1

Motor W 38 24

Air ﬂow Colling CMM Hi: 10.1 Me: 6.4 Lo: 5.0 31.5

Heating Hi: 12.8 Me: 9.4 Lo: 6.1 27.8

Fresh air intake Not possible —

Air ﬁlter, Quality / Quantity Polypropylene net ( washable ) x 2 —

Shock & vibration absorber — Cushion rubber ( for compressor )

Electric heater — —

Operation

control

Operation switch Wireless-Remote control —

Room temperature control Microcomputer thermostat —

Operation Display RUN: Green, TIMER: Yellow, HI POWER: Green, 3D AUTO: Green

Safety devices

Compressor overheat protection, Overcurrent protection,

Frost protection, Serial signal error protection, Indoor fan motor error protection,

Heating overload protection( High pressure control ), Cooling overload protection

Installation

data

Refrigerant piping size ( O.D ) mm Liquid line: Ǿ6.35 ( 1/4" ) Gas line: Ǿ9.52 ( 3/8" )

connecting method Flare connecting

Attached length of piping m Liquid line : 0.53 —

Gas Line : 0.40

Insulation for piping Necessary ( Both sides ), independent

Refrigerant line (one way )length

Max.15

Vertical height difference between

outdoor unit and indoor unit

Max.10 ( Outdoor unit is higher )

Max.10 ( Outdoor unit is lower )

Drain hose Connectable ( VP 16 ) —

Power cable —

Recommended breaker size A 16

Connection wiring Size x Core numbe 1.5mm2x 4 cores ( Including earth cable )

Connecting method Terminal block ( Screw fixing type )

Accessories (included) Mounting kit, Clean filter

( Allergen clear filter x 1, Photocatalytic washable deodorizing filter x 1 )

Optional parts Interface kit ( SC-BIKN-E )

Adapted to RoHS directive

Item

Operation

Indoor air temperature Outdoor air temperature Standards

DB WB DB WB

Cooling 27ºC 19ºC 35ºC 24ºC ISO-T1 , JIS C 9612

Heating 20ºC — 7ºC 6ºC

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

(2) This air-conditioner is manufactured and tested in conformity with the ISO.

(3) The operation data are applied to the 220/230/240V districts respectively.

(4) The refrigerant quantity to be charged includes the refrigerant in 15m connecting piping.

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

The pipe length is 7.5m.

RWA000Z225 B

RWA000Z225

'10 • SR-T-091

RWA000Z225

Model

Item

SRK50ZJ-S

Indoor unit SRK50ZJ-S Outdoor unit SRC50ZJ-S

Cooling capacity (1) W 5000 (1600 (Min.)

5500 (Max.))

Heating capacity (1) W 5800 (1600 (Min.)

6600 (Max.))

Power supply 1 Phase, 220

240 V, 50Hz

Operation

data (1)

Power

consumption

Cooling kW 1.55 (0.40

2.20)

Heating 1.59 (0.42

2.10)

Running

current

Cooling

7.1 / 6.8 / 6.5 (220/ 230/ 240 V)

Heating 7.3 / 7.0 / 6.7 (220/ 230/ 240 V)

Inrush current 7.3 / 7.0 / 6.7 (220/ 230/ 240 V)

COP Cooling 3.23

Heating 3.65

Noise

level

Cooling Sound level dB(A) Hi : 46 Me : 37 Lo : 26 51

Power level dB 61 61

Heating Sound level dB(A) Hi : 45 Me : 37 Lo : 31 53

Power level dB 61 63

Exterior dimensions (Height x Width x Depth) mm 294 x 798 x 229 640 x 800 (+71) x 290

Exterior appearance

(Munsell color)

Fine snow

( 8.0Y 9.3/0.1 ) near equivalent

Stucco white

( 4.2Y 7.5/1.1 ) near equivalent

Net weight kg 9.5 42

Refrigerant

equipment

Compressor type & Q'ty — 5RS132XAB21 (Rotary type) x 1

Motor (Starting method) kW — 0.90 (Line starting)

Refrigerant oil 0.37 (FV50S)

Refrigerant (4) kg R410A 1.35 (Pre-Charged up to the piping length of 15m)

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

Refrigerant control Capillary tubes + Electronic expansion valve

Deice control Microcomputer control

Air handling

equipment

Fan type & Q'ty Tangential fan x 1 Propeller fan x 1

Motor W 38 34

Air ﬂow Cooling CMM Hi : 11.3 Me : 7.8 Lo : 5.3 36.0

Heating Hi : 13.5 Me : 10.2 Lo : 7.5 36.0

Fresh air intake Not possible —

Air ﬁlter, Quality / Quantity Polypropylene net (washable) x 2 —

Shock & vibration absorber — Cushion rubber (for compressor)

Electric heater — —

Operation

control

Operation switch Wireless-Remote control —

Room temperature control Microcomputer thermostat —

Operation Display RUN : Green, TIMER : Yellow, HI POWER : Green, 3D AUTO : Green

Safety devices

Compressor overheat protection, Overcurrent protection,

Frost protection, Serial signal error protection, Indoor fan motor error protection,

Heating overload protection (High pressure control), Cooling overload protection

Installation

data

Refrigerant piping size (O.D) mm Liquid line :φ6.35 (1/4") Gas line :φ12.7 (1/2")

Connecting method Flare connecting

Attached length of piping m Liquid line : 0.53

Gas line : 0.40 —

Insulation for piping Necessary (Both sides), independent

Refrigerant line (one way) length

Max. 25

Vertical height difference between

outdoor unit and indoor unit

Max. 15 (Outdoor unit is higher)

Max. 15 (Outdoor unit is lower)

Drain hose Connectable (VP16) —

Power cable —

Recommended breaker size A 16

Connection wiring Size x Core number 1.5mm2x 4 cores (Including earth cable)

Connecting method Terminal block (Screw ﬁxing type)

Accessories (included)

Mounting kit, Clean ﬁlter (Allergen clear ﬁlter x 1, Photocatalytic washable deodorizing ﬁlter x 1)

Optional parts Interface kit (SC-BIKN-E)

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

Item

Operation

Indoor air temperature Outdoor air temperature Standards

DB WB DB WB

Cooling 27˚C 19˚C 35˚C 24˚C ISO-T1, JIS C 9612

Heating 20˚C — 7˚C 6˚C

(2) This air-conditioner is manufactured and tested in conformity with the ISO.

(3) The operation data are applied to the 220/230/240V districts respectively.

(4) The refrigerant quantity to be charged includes the refrigerant in 15m connecting piping.

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

The pipe length is 7.5m.

Adapted to RoHS directive

'10 • SR-T-091

RWA000Z229

Model

Item

SRK20ZJX-S

Indoor unit SRK20ZJX-S Outdoor unit SRC20ZJX-S

Cooling capacity (1) W 2000 (900 (Min.)

3100 (Max.))

Heating capacity (1) W 2500 (900 (Min.)

4300 (Max.))

Power supply 1 Phase, 220

240 V, 50Hz

Operation

data (1)

Power

consumption

Cooling kW 0.35 (0.19

0.70)

Heating 0.45 (0.23

1.00)

Running

current

Cooling

1.9 / 1.8 / 1.7 (220/ 230/ 240 V)

Heating 2.4 / 2.3 / 2.2 (220/ 230/ 240 V)

Inrush current 2.4 / 2.3 / 2.2 (220/ 230/ 240 V)

COP Cooling 5.71

Heating 5.56

Noise

level

Cooling Sound level dB(A) Hi : 39 Me : 30 Lo : 21 47

Power level dB 53 60

Heating Sound level dB(A) Hi : 38 Me : 33 Lo : 25 47

Power level dB 54 59

Exterior dimensions (Height x Width x Depth) mm 309 x 890 x 220 595 x 780 (+62) x 290

Exterior appearance

(Munsell color)

Fine snow

( 8.0Y 9.3/0.1 ) near equivalent

Stucco white

( 4.2Y 7.5/1.1 ) near equivalent

Net weight kg 15 38

Refrigerant

equipment

Compressor type & Q'ty — RM-B5077MDE1 (Rotary type) x 1

Motor (Starting method) kW — 0.75 (Line starting)

Refrigerant oil 0.35 (DIAMOND FREEZE MA68)

Refrigerant (4) kg R410A 1.2 (Pre-Charged up to the piping length of 15m)

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

Refrigerant control Capillary tubes + Electronic expansion valve

Deice control Microcomputer control

Air handling

equipment

Fan type & Q'ty Tangential fan x 1 Propeller fan x 1

Motor 27 24

Air ﬂow Cooling CMM Hi : 11.5 Me : 8.0 Lo : 5.0 29.5

Heating Hi : 12.0 Me : 9.5 Lo : 7.0 27.0

Fresh air intake Not possible —

Air ﬁlter, Quality / Quantity Polypropylene net (washable) x 2 —

Shock & vibration absorber — Cushion rubber (for compressor)

Electric heater — —

Operation

control

Operation switch Wireless-Remote control —

Room temperature control Microcomputer thermostat —

Operation Display RUN : Green, TIMER : Yellow, HI POWER : Green,

3D AUTO : Green, ECONO : Blue

Safety devices

Compressor overheat protection, Overcurrent protection,

Frost protection, Serial signal error protection, Indoor fan motor error protection,

Heating overload protection (High pressure control), Cooling overload protection

Installation

data

Refrigerant piping size (O.D) mm Liquid line :φ6.35 (1/4") Gas line :φ9.52 (3/8")

Connecting method Flare connecting

Attached length of piping m Liquid line : 0.55

Gas line : 0.49 —

Insulation for piping Necessary (Both sides), independent

Refrigerant line (one way) length

Max. 15

Vertical height difference between

outdoor unit and indoor unit

Max. 10 (Outdoor unit is higher)

Max. 10 (Outdoor unit is lower)

Drain hose Connectable (VP16) —

Power cable —

Recommended breaker size A 16

Connection wiring Size x Core number 1.5mm2x 4 cores (Including earth cable)

Connecting method Terminal block (Screw ﬁxing type)

Accessories (included)

Mounting kit, Clean ﬁlter (Allergen clear ﬁlter x 1, Photocatalytic washable deodorizing ﬁlter x 1)

Optional parts Interface kit (SC-BIKN-E)

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

Item

Operation

Indoor air temperature Outdoor air temperature Standards

DB WB DB WB

Cooling 27˚C 19˚C 35˚C 24˚C ISO-T1, JIS C 9612

Heating 20˚C — 7˚C 6˚C

(2) This air-conditioner is manufactured and tested in conformity with the ISO.

(3) The operation data are applied to the 220/230/240V districts respectively.

(4) The refrigerant quantity to be charged includes the refrigerant in 15m connecting piping.

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

The pipe length is 7.5m.

Adapted to RoHS directive

Andere Handbücher für SRK20ZJ-S

Dieses Handbuch passt für folgende Modelle

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