Mitsubishi Heavy Industries SRK20ZMX-S Bedienungsanleitung

TECHNICAL MANUAL

INVERTER WALL MOUNTED TYPE

RESIDENTIAL AIR-CONDITIONERS

(Split system, air to air heat pump type)

SRK20ZMX-S

25ZMX-S

35ZMX-S

50ZMX-S

60ZMX-S

Manual No.'13 sSRK-T-144

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 1 
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 '13 • SRK-T-144
ht43,5
CONTENTS
 1. SPECIFICATIONS ........................................................................................ 3
(2) Outdoor units ....................................................................................... 9
..................................................... 22
3FNPUFDPOUSPM ..................................................................................... 11
......................................................................... 8
(1) Indoor units .......................................................................................... 8
 2. EXTERIOR DIMENSIONS
 3. ELECTRICAL WIRING .............................................................................. 13
(1) Indoor units .......................................................................................... 13
 4. NOISE LEVEL ............................................................................................ 16
(2) Outdoor units ....................................................................................... 14
 6. RANGE OF USAGE & LIMITATIONS
................................................................................... 24
 7. CAPACITY TABLES
 5. PIPING SYSTEM ...................................................................................... 21
.................................................................................. 26
 8. APPLICATION DATA
 9. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER ............... 46
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............................... 47
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....................... 46
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'13 • SRK-T-144

(10) How to make sure of wireless remote control ...................................... 81

(12) Outdoor unit inspection points .............................................................. 82

(11) Inspection procedure for blown fuse on the indoor and outdoor PCB .... 81

(8)

Phenomenon observed after shortcircuit, wire breakage on sensor

......... 79

(9) Checking the indoor electrical equipment ........................................... 79

■How to read the model name

Example: SRK 20 Z

Series code

Inverter type

Product capacity (Cooling capacity : 2.0kW)

Model name SRK : Wall mounted type

SRC : Outdoor unit

MX-S

........................................................................................... 85

11. OPTION PARTS

....................................................................... 97

12. TECHNICAL INFORMATION

.............................................................. 85

..................................................................... 91

(1) Wired remote control (RC-E5)

(2) Interface kit (SC-BIKN-E)

(3) Super link E board (SC-ADNA-E) .......................................................... 95

(6) Service mode (Trouble mode access function) ................................... 66

(7) Inspection procedures corresponding to detail of trouble .................... 74

..................... 64

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

(3) Troubleshooting procedure

(If the air conditioner does not run at all)

........ 63

(2) Items to check before troubleshooting ................................................. 63

(5) Self-diagnosis table ............................................................................. 65

............................................................................... 63

(1) Cautions ............................................................................................. 63

10. MAINTENANCE DATA

'13 • SRK-T-144

1. SPECIFICATIONS

Model

Item

SRK20ZMX-S

Indoor unit SRK20ZMX-S Outdoor unit SRC20ZMX-S

Power source Single phase, 220 - 240V, 50Hz

Operation

data

Nominal cooling capacity (range) kW 2.0 ( 0.9 (Min.) - 3.1 (Max.))

Nominal heating capacity (range) kW 2.5 ( 0.9 (Min.) - 4.3 (Max.))

Power

consumption

Cooling

0.35 ( 0.19 - 0.70 )

Heating 0.45 ( 0.23 - 1.00 )

Max power consumption 1.65

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, max current 2.4 / 2.3 / 2.2 (220/ 230/ 240 V) Max. 8

Power factor Cooling %85

Heating 86

EER Cooling 5.71

COP Heating 5.56

Sound power level Cooling

dB(A)

53 60

Heating 54 59

Sound pressure level Cooling Hi: 39 Me: 30 Lo: 24 ULo: 21 47

Heating Hi: 38 Me: 33 Lo: 25 ULo: 21 47

Silent mode sound pressure level — Cooling:40 / Heating:42

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 13.5 35

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

Compressor motor (Starting method) kW — 0.75 ( Inverter driven )

Refrigerant oil (Amount, type) — 0.35 (DIAMOND FREEZE MA68)

Refrigerant (Type, amount, pre-charge length) kg R410A 1.2 in outdoor unit (incl. the amount for the piping of 15m )

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

Refrigerant control Capillary tubes + Electronic expansion valve

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

Fan motor (Starting method) W 30 x1 (Direct drive) 24 x1 (Direct drive)

Air ﬂow Cooling m3/min Hi: 11.5 Me: 8.0 Lo: 6.3 ULo: 5.0 29.5

Heating Hi: 12.0 Me: 9.5 Lo: 7.0 ULo: 6.3 27.0

Available external static pressure Pa 0 0

Outside air intake Not possible —

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

Shock & vibration absorber Rubber sleeve (for fan motor) Rubber sleeve (for fan motor & compressor)

Electric heater — —

Operation

control

Remote control Wireless remote control

Room temperature control Microcomputer thermostat

Operation display RUN: Green, TIMER: Yellow, HI POWER: Green, 3D AUTO: Green, ECONO: Blue

Safety equipments

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 connection Flare connection

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 diff. between O.U. and I.U.

m Max. 10 (Outdoor unit is higher) / Max. 10 (Outdoor unit is lower)

Drain hose

Hose connectable ( VP 16 ) Holes φ20 x 2 pcs

Drain pump, max lift height mm — —

Recommended breaker size A 16

L.R.A. (Locked rotor ampere) A 2.4 / 2.3 / 2.2 (220/ 230/ 240 V)

Interconnecting wires Size x Core number 1.5mm2x 4 cores (Including earth cable) / Terminal block (Screw ﬁxing type)

IP number IPX0 IPX4

Standard accessories

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

Option 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 ISO5151-T1

Heating 20˚C — 7˚C 6˚C

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

(3) Sound level indicates the value in an anechoic chamber. During operation these value are somewhat higher

due to ambient conditions.

(4) Select the breaker size according to the own national standard.

The pipe length is 7.5m.

RWA000Z252

'13 • SRK-T-144

Model

Item

SRK25ZMX-S

Indoor unit SRK25ZMX-S Outdoor unit SRC25ZMX-S

Power source Single phase, 220 - 240V, 50Hz

Operation

data

Nominal cooling capacity (range) kW 2.55 ( 0.9 (Min.) - 3.2 (Max.))

Nominal heating capacity (range) kW 3.13 ( 0.9 (Min.) - 4.7 (Max.))

Power

consumption

Cooling

0.49 ( 0.19 - 0.82 )

Heating 0.595 ( 0.23 - 1.12 )

Max power consumption 1.65

Running

current

Cooling

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

Heating 3.1 / 2.9 / 2.8 (220/ 230/ 240 V)

Inrush current, max current 3.1 / 2.9 / 2.8 (220/ 230/ 240 V) Max. 8

Power factor Cooling %90

Heating 88

EER Cooling 5.20

COP Heating 5.26

Sound power level Cooling

dB(A)

55 60

Heating 58 60

Sound pressure level Cooling Hi: 41 Me: 31 Lo: 25 ULo: 22 47

Heating Hi: 41 Me: 34 Lo: 27 ULo: 21 47

Silent mode sound pressure level — Cooling:41 / Heating:42

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 13.5 35

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

Compressor motor (Starting method) kW — 0.75 ( Inverter driven )

Refrigerant oil (Amount, type) — 0.35 (DIAMOND FREEZE MA68)

Refrigerant (Type, amount, pre-charge length) kg R410A 1.2 in outdoor unit (incl. the amount for the piping of 15m )

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

Refrigerant control Capillary tubes + Electronic expansion valve

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

Fan motor (Starting method) W 30 x1 (Direct drive) 24 x1 (Direct drive)

Air ﬂow Cooling m3/min Hi: 12.5 Me: 9.0 Lo: 6.3 ULo: 5.0 29.5

Heating Hi: 13.0 Me: 10.0 Lo: 7.5 ULo: 6.3 27.0

Available external static pressure Pa 0 0

Outside air intake Not possible —

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

Shock & vibration absorber Rubber sleeve (for fan motor) Rubber sleeve (for fan motor & compressor)

Electric heater — —

Operation

control

Remote control Wireless remote control

Room temperature control Microcomputer thermostat

Operation display RUN: Green, TIMER: Yellow, HI POWER: Green, 3D AUTO: Green, ECONO: Blue

Safety equipments

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 connection Flare connection

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 diff. between O.U. and I.U.

m Max. 10 (Outdoor unit is higher) / Max. 10 (Outdoor unit is lower)

Drain hose

Hose connectable ( VP 16 ) Holes φ20 x 2 pcs

Drain pump, max lift height mm — —

Recommended breaker size A 16

L.R.A. (Locked rotor ampere) A 3.1 / 2.9 / 2.8 (220/ 230/ 240 V)

Interconnecting wires Size x Core number 1.5mm2x 4 cores (Including earth cable) / Terminal block (Screw ﬁxing type)

IP number IPX0 IPX4

Standard accessories

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

Option 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 ISO5151-T1

Heating 20˚C — 7˚C 6˚C

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

(3) Sound level indicates the value in an anechoic chamber. During operation these value are somewhat higher

due to ambient conditions.

(4) Select the breaker size according to the own national standard.

The pipe length is 7.5m.

RWA000Z252

'13 • SRK-T-144

Model

Item

SRK35ZMX-S

Indoor unit SRK35ZMX-S Outdoor unit SRC35ZMX-S

Power source Single phase, 220 - 240V, 50Hz

Operation

data

Nominal cooling capacity (range) kW 3.5 ( 0.9 (Min.) - 4.1 (Max.))

Nominal heating capacity (range) kW 4.3 ( 0.9 (Min.) - 5.1 (Max.))

Power

consumption

Cooling

0.845 ( 0.19 - 1.01 )

Heating 0.960 ( 0.23 - 1.35 )

Max power consumption 1.65

Running

current

Cooling

4.0 / 3.8 / 3.6 (220/ 230/ 240 V)

Heating 4.6 / 4.4 / 4.2 (220/ 230/ 240 V)

Inrush current, max current 4.6 / 4.4 / 4.2 (220/ 230/ 240 V) Max. 8

Power factor Cooling %97

Heating 95

EER Cooling 4.14

COP Heating 4.48

Sound power level Cooling

dB(A)

58 63

Heating 59 62

Sound pressure level Cooling Hi: 43 Me: 33 Lo: 25 ULo: 22 50

Heating Hi: 42 Me: 35 Lo: 27 ULo: 22 50

Silent mode sound pressure level — Cooling:45 / Heating:43

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 13.5 35

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

Compressor motor (Starting method) kW — 0.90 ( Inverter driven )

Refrigerant oil (Amount, type) — 0.35 (DIAMOND FREEZE MA68)

Refrigerant (Type, amount, pre-charge length) kg R410A 1.2 in outdoor unit (incl. the amount for the piping of 15m )

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

Refrigerant control Capillary tubes + Electronic expansion valve

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

Fan motor (Starting method) W 30 x1 (Direct drive) 24 x1 (Direct drive)

Air ﬂow Cooling m3/min Hi: 13.5 Me: 9.5 Lo: 6.5 ULo: 5.0 32.5

Heating Hi: 14.0 Me: 11.0 Lo: 8.0 ULo: 6.5 29.5

Available external static pressure Pa 0 0

Outside air intake Not possible —

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

Shock & vibration absorber Rubber sleeve (for fan motor) Rubber sleeve (for fan motor & compressor)

Electric heater — —

Operation

control

Remote control Wireless remote control

Room temperature control Microcomputer thermostat

Operation display RUN: Green, TIMER: Yellow, HI POWER: Green, 3D AUTO: Green, ECONO: Blue

Safety equipments

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 connection Flare connection

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 diff. between O.U. and I.U.

m Max. 10 (Outdoor unit is higher) / Max. 10 (Outdoor unit is lower)

Drain hose

Hose connectable ( VP 16 ) Holes φ20 x 2 pcs

Drain pump, max lift height mm — —

Recommended breaker size A 16

L.R.A. (Locked rotor ampere) A 4.6 / 4.4 / 4.2 (220/ 230/ 240 V)

Interconnecting wires Size x Core number 1.5mm2x 4 cores (Including earth cable) / Terminal block (Screw ﬁxing type)

IP number IPX0 IPX4

Standard accessories

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

Option 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 ISO5151-T1

Heating 20˚C — 7˚C 6˚C

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

(3) Sound level indicates the value in an anechoic chamber. During operation these value are somewhat higher

due to ambient conditions.

(4) Select the breaker size according to the own national standard.

The pipe length is 7.5m.

RWA000Z252

'13 • SRK-T-144

Model

Item

SRK50ZMX-S

Indoor unit SRK50ZMX-S Outdoor unit SRC50ZMX-S

Power source Single phase, 220 - 240V, 50Hz

Operation

data

Nominal cooling capacity (range) kW 5.0 ( 1.1 (Min.) - 5.8 (Max.))

Nominal heating capacity (range) kW 6.0 ( 0.6 (Min.) - 7.7 (Max.))

Power

consumption

Cooling

1.30 ( 0.2 - 1.80 )

Heating 1.36 ( 0.2 - 2.43 )

Max power consumption 2.9

Running

current

Cooling

6.0 / 5.7 / 5.5 (220/ 230/ 240 V)

Heating 6.2 / 6.0 / 5.7 (220/ 230/ 240 V)

Inrush current, max current 6.2 / 6.0 / 5.7 (220/ 230/ 240 V) Max. 15

Power factor Cooling %99

Heating 99

EER Cooling 3.85

COP Heating 4.41

Sound power level Cooling

dB(A)

60 63

Heating 64 63

Sound pressure level Cooling Hi: 47 Me: 40 Lo: 27 ULo: 25 54

Heating Hi: 48 Me: 40 Lo: 33 ULo: 26 50

Silent mode sound pressure level — Cooling:45 / Heating:45

Exterior dimensions (Height x Width x Depth) mm 309 x 890 x 220 640 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 13.5 45

Compressor type & Q'ty — RMT5113MCE2( Twin Rotary type ) x 1

Compressor motor (Starting method) kW — 1.50 ( Inverter driven )

Refrigerant oil (Amount, type) — 0.45 (DIAMOND FREEZE MA68)

Refrigerant (Type, amount, pre-charge length) kg R410A 1.5 in outdoor unit (incl. the amount for the piping of 15m )

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

Refrigerant control Capillary tubes + Electronic expansion valve

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

Fan motor (Starting method) W 30 x1 (Direct drive) 34 x1 (Direct drive)

Air ﬂow Cooling m3/min Hi: 13.5 Me: 11.0 Lo: 8.0 ULo: 7.0 39.0

Heating Hi: 17.0 Me: 14.5 Lo: 10.5 ULo: 8.0 33.0

Available external static pressure Pa 0 0

Outside air intake Not possible —

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

Shock & vibration absorber Rubber sleeve (for fan motor) Rubber sleeve (for fan motor & compressor)

Electric heater — —

Operation

control

Remote control Wireless remote control

Room temperature control Microcomputer thermostat

Operation display RUN: Green, TIMER: Yellow, HI POWER: Green, 3D AUTO: Green, ECONO: Blue

Safety equipments

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 connection Flare connection

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. 30

Vertical height diff. between O.U. and I.U.

m Max. 20 (Outdoor unit is higher) / Max. 20 (Outdoor unit is lower)

Drain hose

Hose connectable ( VP 16 ) Holes φ20 x 5 pcs

Drain pump, max lift height mm — —

Recommended breaker size A 16

L.R.A. (Locked rotor ampere) A 6.2 / 6.0 / 5.7 (220/ 230/ 240 V)

Interconnecting wires Size x Core number 1.5mm2x 4 cores (Including earth cable) / Terminal block (Screw ﬁxing type)

IP number IPX0 IPX4

Standard accessories

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

Option 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 ISO5151-T1

Heating 20˚C — 7˚C 6˚C

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

(3) Sound level indicates the value in an anechoic chamber. During operation these value are somewhat higher

due to ambient conditions.

(4) Select the breaker size according to the own national standard.

The pipe length is 7.5m.

RWA000Z252

'13 • SRK-T-144

Model

Item

SRK60ZMX-S

Indoor unit SRK60ZMX-S Outdoor unit SRC60ZMX-S

Power source Single phase, 220 - 240V, 50Hz

Operation

data

Nominal cooling capacity (range) kW 6.1 ( 1.1 (Min.) - 6.8 (Max.))

Nominal heating capacity (range) kW 6.8 ( 0.6 (Min.) - 8.2 (Max.))

Power

consumption

Cooling

1.87 ( 0.2 - 2.50 )

Heating 1.67 ( 0.2 - 2.70 )

Max power consumption 2.9

Running

current

Cooling

8.6 / 8.2 / 7.9 (220/ 230/ 240 V)

Heating 7.7 / 7.3 / 7.0 (220/ 230/ 240 V)

Inrush current, max current 8.6 / 8.2 / 7.9 (220/ 230/ 240 V) Max. 15

Power factor Cooling %99

Heating 99

EER Cooling 3.26

COP Heating 4.07

Sound power level Cooling

dB(A)

64 65

Heating 64 64

Sound pressure level Cooling Hi: 51 Me: 41 Lo: 29 ULo: 25 54

Heating Hi: 48 Me: 41 Lo: 34 ULo: 27 54

Silent mode sound pressure level — Cooling:45 / Heating:45

Exterior dimensions (Height x Width x Depth) mm 309 x 890 x 220 640 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 13.5 45

Compressor type & Q'ty — RMT5113MCE2( Twin Rotary type ) x 1

Compressor motor (Starting method) kW — 1.50 ( Inverter driven )

Refrigerant oil (Amount, type) — 0.45 (DIAMOND FREEZE MA68)

Refrigerant (Type, amount, pre-charge length) kg R410A 1.5 in outdoor unit (incl. the amount for the piping of 15m )

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

Refrigerant control Capillary tubes + Electronic expansion valve

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

Fan motor (Starting method) W 30 x1 (Direct drive) 34 x1 (Direct drive)

Air ﬂow Cooling m3/min Hi: 14.5 Me: 12.5 Lo: 8.5 ULo: 7.0 41.5

Heating Hi: 17.5 Me: 15.0 Lo: 11.0 ULo: 8.5 39.0

Available external static pressure Pa 0 0

Outside air intake Not possible —

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

Shock & vibration absorber Rubber sleeve (for fan motor) Rubber sleeve (for fan motor & compressor)

Electric heater — —

Operation

control

Remote control Wireless remote control

Room temperature control Microcomputer thermostat

Operation display RUN: Green, TIMER: Yellow, HI POWER: Green, 3D AUTO: Green, ECONO: Blue

Safety equipments

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 connection Flare connection

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. 30

Vertical height diff. between O.U. and I.U.

m Max. 20 (Outdoor unit is higher) / Max. 20 (Outdoor unit is lower)

Drain hose

Hose connectable ( VP 16 ) Holes φ20 x 5 pcs

Drain pump, max lift height mm — —

Recommended breaker size A 16

L.R.A. (Locked rotor ampere) A 8.6 / 8.2 / 7.9 (220/ 230/ 240 V)

Interconnecting wires Size x Core number 1.5mm2x 4 cores (Including earth cable) / Terminal block (Screw ﬁxing type)

IP number IPX0 IPX4

Standard accessories

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

Option 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 ISO5151-T1

Heating 20˚C — 7˚C 6˚C

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

(3) Sound level indicates the value in an anechoic chamber. During operation these value are somewhat higher

due to ambient conditions.

(4) Select the breaker size according to the own national standard.

The pipe length is 7.5m.

RWA000Z252

'13 • SRK-T-144

2. EXTERIOR DIMENSIONS

(1) Indoor units

Models SRK20ZMX-S, 25ZMX-S, 35ZMX-S, 50ZMX-S, 60ZMX-S

RKY000Z058

881.9

59.9

61.5

46.5

59.9 20.9

46.5

61.5

890

309

Outlet for down piping

（Refer to the above view）

（Service space）

Installation plate

50 120

220

48.9

222.5

35 35

650

450

120 100

220

7.9

295.4

5.7

491.1

520.8

559.1

46.5

60 24

61.5

120

961.5

220

Space for installation and service when viewing from the front

Unit

15（Service space）

（Service space）

Terminal block

Wired remote control

（Option）

Notes（1）The model name label is attached

　　　 on the underside of the panel.

　（2）It takes the interface kit （SC-BIKN-E）

　　　 to connect the wired remote controller.

Unit:mm

Wireless remote control

Hole on wall for right rear piping

Hole on wall for left rear piping

Gas piping

Outlet for wiring

Drain hose

Liquid piping

Symbol

（φ65）

VP16

φ6.35（1／4"）（Flare）

Content

（φ65）

Outlet for piping（on both side）G

φ9.52（3／8"）（Flare）

φ12.7（1／2"）（Flare）

Model 20,25,35

Model 50,60

167

'13 • SRK-T-144

(2) Outdoor unit

Models SRC20ZMX-S, 25ZMX-S, 35ZMX-S

RCV000Z020

( )

9.52（3／8"）（Flare）

Content

CPipe／cable draw-out hole

EAnchor bolt hole

Drain discharge hole

Symbol

AService valve connection（gas side）

M10×4places

20×2places

Service valve connection（liquid side）φ

6.35（1／4"）（Flare）

390.6

63.4

290

69.4

50.6

24.3

312.5

351.6

14.8

17.9

61.9

158.4

510

780

390.6

111.6

390.6

595

15.8

97.7 42.5

138.4 33.5

40°

Terminal block L2

100

250

Open

ＩＩＩ

Open

250

280

ＩＩＩ

280

Open

Examples of

Dimensions

installation

ＩＶ

180

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 than 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.

Minimum installation space

Unit:mm

Intake

Outlet

Intake L3

Service

space

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