Mitsubishi Heavy Industries SRK25ZJ-S User manual

TECHNICAL MANUAL
Manual No.'10•SRK-T-098
INVERTER WALL MOUNTED TYPE
RESIDENTIAL AIR-CONDITIONERS
(Split system, air to air heat pump type)
Indoor unit / Outdoor unit
SRK25ZJ-S / SRC25ZJ-SA
SRK35ZJ-S / SRC35ZJ-SA
SRK20ZJX-S / SRC20ZJX-SA
SRK25ZJX-S / SRC25ZJX-SA
SRK35ZJX-S / SRC35ZJX-SA

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1
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'10 • SRK-T-098
CONTENTS
1. SPECIFICATIONS ........................................................................................ 3
2.2 Outdoor units ...................................................................................... 10
..................................................... 24
2.3 Remote controller ................................................................................. 12
......................................................................... 8
2.1 Indoor units ........................................................................................ 8
2. EXTERIOR DIMENSIONS
3. ELECTRICAL WIRING .............................................................................. 14
3.1 Indoor units .......................................................................................... 14
4. NOISE LEVEL ............................................................................................ 17
3.2 Outdoor units ....................................................................................... 16
6. RANGE OF USAGE & LIMITATIONS
................................................................................... 26
7. CAPACITY TABLES
5. PIPING SYSTEM ...................................................................................... 22
.................................................................................. 28
8. APPLICATION DATA
8.1 Installation of indoor unit ..................................................................... 28
(1) Models SRK25ZJ-S,35ZJ-S ................................................................ 28
(2) Models SRK20ZJX-S,25ZJX-S,35ZJX-S ............................................. 32
8.2 Installation of outdoor unit ................................................................... 36
9. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER ............... 43
(6) 3D auto operation ............................................................................. 46
(7) Timer operation .................................................................................. 47
9.1 Models SRK25,35ZJ-S ...................................................................... 43
....................................................... 44
(1) Operation control function by remote controller
(5) Flap and louver control ...................................................................... 45
(4) Custom cord switching procedure
......................................................................... 44(3) Auto restart function
(2) Unit ON/OFF button ........................................................................... 44
.................................. 43
(8) Installation location setting ................................................................. 47
(9) Outline of heating operation ................................................................ 48
(11) Outline of automatic operation ........................................................... 49
(10) Outline of cooling operation ............................................................... 49
(12) Protective control function ................................................................... 50
(13) Defrost heater control ....................................................................... 55

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2
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'10 • SRK-T-098
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2
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'10 • SRK-T-098
................................................................ 61
....................................................... 57
9.2 Models SRK20～35ZJX-S ...................................................................... 56
(2) Unit ON/OFF button ............................................................................ 57
(1) Operation control function by remote controller ................................... 56
(4) Custom cord switching procedure
(3) Auto restart function ........................................................................... 57
(9) Outline of heating operation
(5) Flap and louver control ..................................................................... 58
(8) Installation location setting .................................................................. 60
(6) 3D auto operation .............................................................................. 59
(7) Timer operation .................................................................................... 60
(10) Outline of cooling operation ............................................................. 62
(11) Outline of automatic operation ............................................................ 62
(12) Protective control function ................................................................... 63
(13) Defrost heater control ....................................................................... 68
............................................................................... 69
10.4 Troubleshooting procedure (If the air conditioner runs)
10.3 Troubleshooting procedure
(If the air conditioner does not run at all)
.... 69
10.1 Cautions ............................................................................................... 69
10.2 Items to check before troubleshooting ............................................... 69
10.10 How to make sure of wireless remote controller ............................. 86
10.11 Outdoor unit inspection points ......................................................... 87
10.5 Self-diagnosis table ............................................................................ 71
10.6 Service mode (Trouble mode access function) ................................. 72
10.8
Phenomenon observed after shortcircuit, wire breakage on sensor ...... 84
10.7 Inspection procedures corresponding to detail of trouble ............... 80
10.9 Checking the indoor electrical equipment ........................................ 85
10. MAINTENANCE DATA
11.1 Instullation of wired remote controller (RC-E4) ............................... 89
11. OPTION PARTS ....................................................................................... 89
11.2 Interface kit (SC-BIKN-E) .................................................................... 95
11.3 Super link E board (SC-ADNA-E) ....................................................... 99
■How to read the model name
Example: SRK 20 Z
Series code
Inverter type
Product capacity
Model name
JX-S
SRK : Wall mounted type
SRC : Outdoor unit
.................. 70
'09•SRK-DB-087D
Model
Item
SRK25ZJ-S
Indoor unit SRK25ZJ-S Outdoor unit SRC25ZJ-SA
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
A
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 Defrost heater 230V 110W
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
m
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

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3
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'10 • SRK-T-098
'09•SRK-DB-087D
Model
Item
SRK25ZJ-S
Indoor unit SRK25ZJ-S Outdoor unit SRC25ZJ-SA
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
A
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 Defrost heater 230V 110W
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
m
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
B
RWA000Z225
1. SPECIFICATIONS

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4
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'10 • SRK-T-098
'09•SRK-DB-087D
Model
Item
SRK35ZJ-S
Indoor unit SRK35ZJ-S Outdoor unit SRC35ZJ-SA
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
A
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 Defrost heater 230V 110W
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
m
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
B
RWA000Z225

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5
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'10 • SRK-T-098
'09•SRK-DB-087D
Model
Item
SRK35ZJ-S
Indoor unit SRK35ZJ-S Outdoor unit SRC35ZJ-SA
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
A
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 Defrost heater 230V 110W
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
m
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
B
RWA000Z229
Model
Item
SRK20ZJX-S
Indoor unit SRK20ZJX-S Outdoor unit SRC20ZJX-SA
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
A
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 — Defrost heater 230V 110W
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
m
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

-
6
-
'10 • SRK-T-098
B
RWA000Z229
Model
Item
SRK25ZJX-S
Indoor unit SRK25ZJX-S Outdoor unit SRC25ZJX-SA
Cooling capacity (1) W 2550 (900 (Min.)
~ 3200 (Max.))
Heating capacity (1) W 3130 (900 (Min.)
~ 4700 (Max.))
Power supply 1 Phase, 220
~ 240 V, 50Hz
Operation
data (1)
Power
consumption
Cooling kW 0.49 (0.19
~ 0.82)
Heating 0.595 (0.23
~ 1.12)
Running
current
Cooling
A
2.5 / 2.4 / 2.3 (220/ 230/ 240 V)
Heating 3.1 / 2.9 / 2.8 (220/ 230/ 240 V)
Inrush current 3.1 / 2.9 / 2.8 (220/ 230/ 240 V)
COP Cooling 5.20
Heating 5.26
Noise
level
Cooling Sound level dB(A) Hi : 41 Me : 31 Lo : 22 47
Power level dB 55 60
Heating Sound level dB(A) Hi : 41 Me : 34 Lo : 27 47
Power level dB 58 60
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 W 27 24
Air flow Cooling CMM Hi : 12.5 Me : 9.0 Lo : 5.0 29.5
Heating Hi : 13.0 Me : 10.0 Lo : 7.5 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 — Defrost heater 230V 110W
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
m
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

-
7
-
'10 • SRK-T-098
B
RWA000Z229
Model
Item
SRK35ZJX-S
Indoor unit SRK35ZJX-S Outdoor unit SRC35ZJX-SA
Cooling capacity (1) W 3500 (900 (Min.)
~ 4100 (Max.))
Heating capacity (1) W 4300 (900 (Min.)
~ 5100 (Max.))
Power supply 1 Phase, 220
~ 240 V, 50Hz
Operation
data (1)
Power
consumption
Cooling kW 0.845 (0.19
~ 1.01)
Heating 0.960 (0.23
~ 1.35)
Running
current
Cooling
A
4.0 / 3.8 / 3.6 (220/ 230/ 240 V)
Heating 4.6 / 4.4 / 4.2 (220/ 230/ 240 V)
Inrush current 4.6 / 4.4 / 4.2 (220/ 230/ 240 V)
COP Cooling 4.14
Heating 4.48
Noise
level
Cooling Sound level dB(A) Hi : 43 Me : 33 Lo : 22 50
Power level dB 58 63
Heating Sound level dB(A) Hi : 42 Me : 35 Lo : 27 50
Power level dB 59 62
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 — 0.90 (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 W 27 24
Air flow Cooling CMM Hi : 13.5 Me : 9.5 Lo : 5.0 32.5
Heating Hi : 14.0 Me : 11.0 Lo : 8.0 29.5
Fresh air intake Not possible —
Air filter, Quality / Quantity Polypropylene net (washable) x 2 —
Shock & vibration absorber — Cushion rubber (for compressor)
Electric heater — Defrost heater 230V 110W
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
m
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

-
8
-
'10 • SRK-T-098
2. EXTERIOR DIMENSIONS 2.1 Indoor units
Models SRK25ZJ-S, 35ZJ-S
Space for installation and service when viewing from the front
Wired - remote controller
㧔Option㧕
Notes㧔1㧕The model name label is attached
ޓޓ ޓon the underside of the panel.
Wireless remote controller
ޓ㧔2㧕It takes the interface kit 㧔SC-BIKN-E㧕
ޓޓ ޓto connect the wired remote controller.
Outlet for down piping
㧔Refer to the above view㧕
Hole on wall for right rear piping
Hole on wall for left rear piping
Gas piping
Outlet for wiring
Drain hose
Liquid piping
F
E
C
D
B
Symbol
A
㧔Ǿ65㧕
VP16
Ǿ6.35㧔1㧛4"㧕㧔Flare㧕
Content
㧔Ǿ65㧕
Ǿ9.52㧔3㧛8"㧕㧔Flare㧕
Outlet for piping㧔on both side㧕
G
Unit:mm
غ120 19
60
150
17.3
G
790
6014.5
45
3160
45
798
294
229 3
45
609
100106.5585106.5
50
48.9
55
47
47
55
403.6
471.6
531.8
F
139 450 209
Unit
DC
A
EB
65
15
7.7279.17.2
㧔Service space㧕
㧔Service space㧕
㧔Service space㧕
㧔Service space㧕
Installation plate
RLA000Z051

-
9
-
'10 • SRK-T-098
Models SRK20ZJX-S, 25ZJX-S, 35ZJX-S
G
F
Hole on wall for right rear piping
Hole on wall for left rear piping
Gas piping
Outlet for wiring
Drain hose
Liquid piping
F
E
C
D
B
Symbol
A
㧔Ǿ65㧕
VP16
Ǿ6.35㧔1㧛4"㧕㧔Flare㧕
Content
㧔Ǿ65㧕
Unit:mm
Space for installation and service when viewing from the front
Outlet for down piping
㧔Refer to the above view㧕
Outlet for piping㧔on both side㧕
G
D C
A
E
B
Wired - remote controller
㧔Option㧕
Notes㧔1㧕The model name label is attached
ޓޓ ޓon the underside of the panel.
Wireless remote controller
ޓ㧔2㧕It takes the interface kit 㧔SC-BIKN-E㧕
ޓޓ ޓto connect the wired remote controller.
Terminal block
Ǿ9.52㧔3㧛8"㧕㧔Flare㧕
881.9
59.926 20.959.9
46.5
61.5
46.5
61.5
890
309
9 61.5
3220
50 120 650 120 100
220 450 220
35 35
48.9222.5
48
48
5.7 295.4 7.9
15
㧔Service space㧕
65
Unit
54
46.5
㧔Service space㧕
㧔Service space㧕㧔Service space㧕
Installation plate
491.1
520.8
559.1
58
غ120 19
61.5 60
150
17.3
RKY000Z053

-
10
-
'10 • SRK-T-098
Notes
㧔1㧕It must not be surrounded by walls on the four sides.
㧔2㧕The unit must be fixed with anchor bolts. An anchor bolt must not
protrude more the 15mm.
㧔3㧕Where the unit is subject to strong winds, lay it in such
a direction that the blower outlet faces perpendicularly
to the dominant wind direction.
㧔4㧕Leave 1m or more space above the unit.
㧔5㧕A wall in front of the blower outlet must not exceed the units height.
㧔6㧕The model name label is attached on the lower right comer of the front panel.
L4
L3
L1
Intake
Service
space
Intake
Outlet
Minimum installation space
L2
L2
L3
L4
L1
100
100
250
Open
㧵 㧵㧵
Open
250
80
280
㧵㧵㧵
280
Open
80
75
Examples of
Dimensions
installation
㧵㨂
180
Open
80
Open
Ǿ9.52㧔3㧛8"㧕㧔Flare㧕
Content
C Pipe㧛cable draw-out hole
D1
E Anchor bolt hole
Drain discharge hole
Symbol
B
A Service valve connection㧔gas side㧕
M10 × 4places
Ǿ20 × 2places
D2 Drain discharge hole
Ǿ16 × 9places
Service valve connection㧔liquid side㧕
Ǿ6.35㧔1㧛4"㧕㧔Flare㧕
Unit:mm
A
C
Terminal block
B
40°
40°
33.5
138.4
97.7
15.8
540
290
42.5
69.4 63.4
390.6
390.6
111.6 510 158.4
12
50.6
17.9
780 61.9
312.5
351.6
14.8 24.3
D
E
RCV000Z008
2.2 Outdoor units
Models SRC25ZJ-SA, 35ZJ-SA
40°
40°
138.4 33.5
Terminal block
A
C
B
97.7 42.5
15.8
540 63.4
390.6
390.6
69.4
111.6 510 158.4
780 61.9
17.9
14.8 312.5 24.3
351.6
50.6
12
290
4949 142.6
54.1
48.1
112.2
422
86.6
179.6
176.4
42.9
130.9
38.8
106.3
97.6
E
D1
D2D2

-
11
-
'10 • SRK-T-098
A
RCV000Z007
Models SRC20ZJX-SA, 25ZJX-SA, 35ZJX-SA
L2
Intake
Outlet
Intake L3
L1
Minimum installation space
Service
space
( )
L4
L2
L3
L4
L1
100
100
250
Open
ＩＩＩ
Open
250
80
280
ＩＩＩ
280
Open
80
75
Examples of
Dimensions
installation
ＩＶ
180
Open
80
Open
Notes
（1）It must not be surrounded by walls on the four sides.
（2）The unit must be fixed with anchor bolts. An anchor bolt must not
protrude more the 15mm.
（3）Where the unit is subject to strong winds, lay it in such
a direction that the blower outlet faces perpendicularly
to the dominant wind direction.
（4）Leave 1m or more space above the unit.
（5）A wall in front of the blower outlet must not exceed the units height.
（6）The model name label is attached on the lower right corner of the front panel.
φ9.52（3／8"）（Flare）
Content
C Pipe／cable draw-out hole
E Anchor bolt hole
Drain discharge hole
Symbol
B
A Service valve connection（gas side）
M10 × 4places
φ20 × 2places
Service valve connection（liquid side）
φ6.35（1／4"）（Flare）
D1
Drain discharge hole
φ16 × 9places
D2
40°
40°
138.4 33.5
Terminal block
C
B
A
97.7 42.5
15.8
595
63.4
390.6
390.6
69.4
111.6 510 158.4
780 61.9
17.9
14.8 312.5 24.3
351.6
50.6
12
290
E
D
Unit:mm
40°
40°
138.4 33.5
Terminal block
C
B
A
97.7 42.5
15.8
595 63.4
390.6
390.6
69.4
111.6 510 158.4
780 61.9
17.9
14.8 312.5 24.3
351.6
50.6
12
290
4949 142.6
54.1
48.1
112.2
422
86.6
179.6
176.4
42.9
130.9
38.8
106.3
97.6
E
D1
D2D2

-
12
-
'10 • SRK-T-098
2.3 Remote controller
(a) Wireless remote controller
60 17
150
Unit: mm
60 17.3
150
٨The wireiess remote controller in the following figure shows for the SRK series.

-
13
-
'10 • SRK-T-098
(b) Wired remote controller (option parts)
PJZ000Z274
TEMP ON/OFF
48
غ120
L C D
Wall surface
Wiring
Electrical box
䋨Not included䋩
19
Wiring specifications
Exposed mounting
23
46
11.5 11
Remote
control
outline
120
45
83.5
42
120
Remote control installation dimensions
Wiring oulet
Installation hole
12×7 Slot hole
9.5×5 Slot hole 䋨4places䋩
䋨1䋩Installation screw for remote control
M4 Screw (2 pieces)
44
(1) If the prolongation is over 100m, change to the size below.
But, wiring in the remote controller case should be under 0.5mm2. Change the wire size outside of
the case according to wire connecting. Waterproof treatment is necessary at the wire connecting
section. Be careful about contact failure.
Length Wiring thickness
100 to 200m 0.5mm2×2 cores
0.75mm2×2 cores
1.25mm2×2 cores
2.0mm2×2 cores
Under 300m
Under 400m
Under 600m
Upper part
Lower part
Lower case
Sheath
Upper cace
Board
Wiring
Upper
Lower
X Y
Sheath
Upper cace
Board
Wiring
Upper
Lower
YX
Tighten the screws after
cutting off the thin part of
screw mounting part.
Embedded mounting
The peeling-off length of sheath
The peeling-off length
of sheath
In case of pulling out from
upper left
In case of pulling out
from upper left
In case of pulling out
from upper left
X wiring : 170mm
Y wiring : 190mm
Pulling out from center
X wiring : 215mm
Y wiring : 195mm
Pulling out from upper left
In case of pulling out from center
In case of pulling out
from center
In case of pulling out
from center
Wiring outlet
Cut off the upper thin part of remote control lower case with a nipper or knife,
and grind burrs with a file etc.
0.3mm2×2 cores.
X, Y Terminal block
Attach M3 screw
with washer
Unit:mm

-
14
-
'10 • SRK-T-098
250V 3.15A
PRINTED
CNF CNE
CNX
CNG
4
CNU
1 3 65

35,50
CNY
M M M
5 5
U
2 8 2
t
o
CNS
CNM
M
5
TO OUTDOOR
S/N
J
L
G
1
CIRCUIT
BOARD
INTERFACE KIT
RD BK WH Y BL
WIRELESS
DISPLAY
BACK-UP SW
UNIT
BK WH RD Y/G
HEAT
EXCHANGER
2/N 3
Y/G
HD
ONLY
t
o
2
t
o
R-AMP
2
HEAT
EXCHANGER
5
FM
I
SM
I
LM
1
LM
2
F
Va
Th
I Th 2 Th 3
T
DS
㨪
㨪
Blue
BlackBK
Red
BL
RD
WhiteWH
Yellow㧛GreenY㧛G
ColorMark
Heat exch. sensor
Fan motor
Room temp. sensor
Flap motor
Diode stackDS
FuseF
Connector
CNE-CNY
FM
I
Terminal blockT
Description
Item
VaristorVa
LM
1,2
SM
I
Louver motor
Th
I
Th
2,3
YellowY
Humidity sensor
HD
Power Source
1 Phase
220㧛230㧛240V 50Hz
RWA000Z226
3. ELECTRICAL WIRING 3.1 Indoor units Models SRK25ZJ-S, 35ZJ-S

-
15
-
'10 • SRK-T-098
Models SRK20ZJX-S, 25ZJX-S, 35ZJX-S
250V
F
G
3.15A
S㧛N
Va
CNU
CNS
INTERFACE KIT
SC-BIKN-E
CNG
CNE
DISPLAY
WIRELESS RECEIVER
J
CNF
U
M
HEAT
1
3
4
5
6
BACK-UP SW
5
2
12
EXCHANGER
L
Th1 BOARD
CIRCUIT
PRINTED
LS
CNY
CNX2
CNX1
M
M
M
M
M
5
5
5
5
5
5
5
5
5 5 IM
RD
WH RD
WH
BK
BL
Y
Y㧛G
BK
t
Th2 1
Th2 2
Th3
LM
1
LM 2
SM
1
SM 2
FM I
DS
t
t
TO OUTDOOR UNIT
HEAT
EXCHANGER
1
2㧛N
3
POWER WIRES
SIGNAL WIRE
1
2/N
3
Power source
1 phase 220 - 240 V 50Hz
T
Color Marks
Blue
BlackBK
Red
BL
RD
WhiteWH
Yellow㧛GreenY㧛G
YellowY
ColorMark
Heat exch. sensor
Humidity sensor 㧔50,60 only㧕
Fan motor
Room temp. sensor
Flap motor
Th1
Th2
Th3
Diode stackDS
FuseF
Connector
CNE-CNY
FMI
Terminal blockT
Louver motor
LM1,2
SM1,2
1,2
Limit switchLS
Inlet motor
IM
Description
Item
VaristorVa
RWA000Z227

-
16
-
'10 • SRK-T-098
3.2 Outdoor units Models SRC25ZJ-SA, 35ZJ-SA
20ZJX-SA, 25ZJX-SA, 35ZJX-SA
RWC000Z226
Color
RD
Mark
OrangeOR
Yellow㧛GreenY㧛G
BlackBK
YellowY
WhiteWH
Red
DescriptionItem
Connector
CNEEV㨪CN20S
Electric expansion valve㧔coil㧕EEV
Fan motorFMo
ReactorL
Terminal blockT
Compressor motorCM
Solenoid valve for 4 way valve20S
Heat exchanger sensor㧔outdoor unit㧕TH1
Outdoor air temp.sensorTH2
TH3 Discharge pipe temp.sensor
HeaterH
Heater protector26H
Fuse
F1-4
20
Model
Power cable, indoor-outdoor connecting wires
Switchgear of Circuit breaker capacity which is calculated from MAX. over current should be chosen
Note (1) : Figure in ( ) is for models SRC20, 25, 35ZJX-SA.
along the regulations in each country.
The cable specifications are based on the assumption that a metal or plastic conduit is used with no
more than three cables contained in a conduit and a voltage drop is 2%. For an installation falling
outside of these conditions, please follow the internal cabling regulations. Adapt it to the regulation
in effect in each country.
25 9 (8) 2.0 32
1.5mm2x 3 1.5mm2
35



=?
0
1㨪220㨺240V 50Hz1㨪220V 60Hz
POWER SOURCE
㧔BK㧕
C-2
G1
㧔RD㧕
㧔;㧛)㧕
S.IN㧔WH㧕
R.IN
㧔BK㧕
㧔WH㧕
㧔RD㧕
PWB ASSY
250V 20A
F2
F3 250V 1A
F4
250V 10A
F1
250V 2A
CIRCUIT
PAM
SWITCHING POWER
CIRCUIT
NW
NV
NU
P
W
V
U
TRANSISTOR
POWER
W
V
U
FILTER
NOISE
CN20S CNTH CNEEV
CNFAN M
M
3㨪
250V 15A
㧔Y㧛G㧕
T1 T2
㧔14㧕
㧔Y㧕
M
20S
TH1 TH2 TH3 EEV
FMo
CM
L
L
N


0
T
TO INDOOR UNIT
POWER WIRES
SIGNAL WIRE
26H
H
CNHEAT
MAX running current Power cable size
㧔mm 㧕
2
㧔A㧕
Power cable length
㧔m㧕
indoor-outdoor
wire size x number Earth wire size
'09•SRK-DB-087D
(Indoor Unit)
Model SRK25ZJ-S
Noise
Level Cooling 34 dB(A)
Heating 39 dB(A) × ...... Cooling Heating
Model SRK25ZJ-S
(Outdoor Unit)
Model SRC25ZJ-SA
Noise
Level Cooling 48 dB(A)
Heating 49 dB(A) × ...... Cooling Heating
Condition ISO-T1, JIS C9612
10 20 30 40 50 60 70
63 125 250 500 1000 2000 4000 8000
1000 2000 4000 8000
10 20 30 40 50 60 70
N50 N30 N40
N60 N70
N20
10 20 30 40 50 60 70
63 125 250 500 10
20 30 40 50 60 70
N50 N30 N40 N60 N70 N20
Sound Pressure Level (dB)
(standard 2×10-5 Pa)
Sound Pressure Level (dB)
(standard 2×10-5 Pa)
Mid Octave Band frequency (Hz)
Mid Octave Band frequency (Hz)
*
RWC000Z239

-
17
-
'10 • SRK-T-098
'09•SRK-DB-087D
(Indoor Unit)
Model SRK25ZJ-S
Noise
Level Cooling 34 dB(A)
Heating 39 dB(A) × ...... Cooling Heating
Model SRK25ZJ-S
(Outdoor Unit)
Model SRC25ZJ-SA
Noise
Level Cooling 48 dB(A)
Heating 49 dB(A) × ...... Cooling Heating
Condition ISO-T1, JIS C9612
10
20
30
40
50
60
70
63 125 250 500 1000 2000 4000 8000
1000 2000 4000 8000
10
20
30
40
50
60
70
N50
N30
N40
N60
N70
N20
10
20
30
40
50
60
70
63 125 250 500 10
20
30
40
50
60
70
N50
N30
N40
N60
N70
N20
Sound Pressure Level (dB)
(standard 2×10-5 Pa)
Sound Pressure Level (dB)
(standard 2×10-5 Pa)
Mid Octave Band frequency (Hz)
Mid Octave Band frequency (Hz)
Model SRK25ZJ-S
4. NOISE LEVEL

-
18
-
'10 • SRK-T-098
'09•SRK-DB-087D
(Indoor Unit)
Model SRK35ZJ-S
Noise
Level Cooling 42 dB(A)
Heating 43 dB(A) × ...... Cooling Heating
Model SRK35ZJ-S
(Outdoor Unit)
Model SRC35ZJ-SA
Noise
Level Cooling 50 dB(A)
Heating 51 dB(A) × ...... Cooling Heating
Condition ISO-T1, JIS C9612
10
20
30
40
50
60
70
63 125 250 500 1000 2000 4000 8000
63 125 250 500 1000 2000 4000 8000
10
20
30
40
50
60
70
N50
N30
N40
N60
N70
N20
10
20
30
40
50
60
70
10
20
30
40
50
60
70
N50
N30
N40
N60
N70
N20
Sound Pressure Level (dB)
(standard 2×10-5 Pa)
Sound Pressure Level (dB)
(standard 2×10-5 Pa)
Mid Octave Band frequency (Hz)
Mid Octave Band frequency (Hz)
Model SRK35ZJ-S

-
19
-
'10 • SRK-T-098
'09•SRK-DB-087D
(Indoor Unit)
Model SRK35ZJ-S
Noise
Level Cooling 42 dB(A)
Heating 43 dB(A) × ...... Cooling Heating
Model SRK35ZJ-S
(Outdoor Unit)
Model SRC35ZJ-SA
Noise
Level Cooling 50 dB(A)
Heating 51 dB(A) × ...... Cooling Heating
Condition ISO-T1, JIS C9612
10
20
30
40
50
60
70
63 125 250 500 1000 2000 4000 8000
63 125 250 500 1000 2000 4000 8000
10
20
30
40
50
60
70
N50
N30
N40
N60
N70
N20
10
20
30
40
50
60
70
10
20
30
40
50
60
70
N50
N30
N40
N60
N70
N20
Sound Pressure Level (dB)
(standard 2×10-5 Pa)
Sound Pressure Level (dB)
(standard 2×10-5 Pa)
Mid Octave Band frequency (Hz)
Mid Octave Band frequency (Hz)
(Indoor Unit)
Model SRK20ZJX-S
Noise
Level Cooling 39 dB(A)
Heating 38 dB(A) × ...... Cooling, Heating
Model SRK20ZJX-S
10
20
30
40
50
60
70
63 125 250 500 1000 2000 4000 8000
Mid Octave Band frequency (Hz)
Sound Pressure Level (dB)
(standard 2×10-5 Pa)
10
20
30
40
50
60
70
N50
N30
N40
N60
N70
N20
(Outdoor Unit)
Model SRC20ZJX-SA
Noise
Level Cooling 47 dB(A)
Heating 47 dB(A)
10
20
30
40
50
60
70
63 125 250 500 1000 2000 4000 8000
Mid Octave Band frequency (Hz)
Sound Pressure Level (dB)
(standard 2×10-5 Pa)
10
20
30
40
50
60
70
N50
N30
N40
N60
N70
N20
× ...... Cooling, Heating
Condition ISO-T1,JIS C9612