Mitsubishi Heavy Industries SRK25ZMP-SJ Bedienungsanleitung

TECHNICAL MANUAL

INVERTER WALL MOUNTED TYPE

RESIDENTIAL AIR-CONDITIONERS

(Split system, air to air heat pump type)

SRK25ZMP-SJ

SRK35ZMP-SJ

Manual No.'13•SRK-T-152

'13 • SRK-T-152

'10 • SRK-T-099

CONTENTS

1. SPECIFICATIONS ........................................................................................ 3

(2) Outdoor units ....................................................................................... 6

..................................................... 13

(3) Wireless remote control ...................................................................... 7

......................................................................... 5

(1) Indoor units .......................................................................................... 5

2. EXTERIOR DIMENSIONS

3. ELECTRICAL WIRING .............................................................................. 8

(1) Indoor units .......................................................................................... 8

4. NOISE LEVEL ............................................................................................ 10

(2) Outdoor units ....................................................................................... 9

6. RANGE OF USAGE & LIMITATIONS

................................................................................... 15

7. CAPACITY TABLES

5. PIPING SYSTEM ...................................................................................... 12

.................................................................................. 16

8. APPLICATION DATA

9. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER ............... 24

(8) Timer operation .................................................................................. 27

....................................................... 25

(1) Operation control function by remote control

(7) Flap control ........................................................................................ 26

(6) Economy operation ............................................................................. 26

(5) High power operation .......................................................................... 26

(4) Custom cord switching procedure

......................................................................... 25(3) Auto restart function

(2) Unit ON/OFF button ........................................................................... 25

...................................... 24

(9) Outline of heating operation ................................................................ 27

(11) Outline of automatic operation ........................................................... 29

(10) Outline of cooling operation ............................................................... 29

(12) Protection control function ................................................................... 30

(13) Outline of dry (dehumidifying) operation ............................................. 36

..................... 38

............................................................................... 37

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

(3) Troubleshooting procedure

(If the air conditioner does not run at all)

........ 37

(1) Cautions ............................................................................................. 37

(2) Items to check before troubleshooting ................................................. 37

(5) Self-diagnosis table ............................................................................. 39

(6) Service mode (Trouble mode access function) ................................... 40

10. MAINTENANCE DATA

'13 • SRK-T-152

'10 • SRK-T-099

(10) How to make sure of wireless remote control ...................................... 54

(11) Outdoor unit inspection points .............................................................. 55

(8)

Phenomenon observed after shortcircuit, wire breakage on sensor

......... 52

(9) Checking the indoor electrical equipment ........................................... 53

■How to read the model name

Example: SRK 25 Z

Series code

Inverter type

Product capacity (Cooling capacity)

Model name SRK : Wall mounted type

SRC : Outdoor unit

MP-SJ

(7) Inspection procedures corresponding to detail of trouble .................... 48

'13 • SRK-T-152

Model SRK25ZMP-SJ

Model

Item

SRK25ZMP-SJ

Indoor unit SRK25ZMP-SJ Outdoor unit SRC25ZMP-SJ

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

Operation

data

Nominal cooling capacity (range) kW 2.5 (0.9 (Min.) - 2.8 (Max.))

Nominal heating capacity (range) kW 2.8 (0.8 (Min.) - 3.9 (Max.))

Power

consumption

Cooling

0.780 (0.25 - 1.01)

Heating 0.755 (0.20 - 1.43)

Max power consumption 1.65

Running

current

Cooling

3.9 / 3.8 / 3.6 (220 / 230 / 240 V)

Heating 3.8 / 3.7 / 3.5 (22 0 / 230 / 240 V)

Inrush current, max current 3.9 / 3.8 / 3.6 (220 / 230 / 240 V) Max. 9

Power factor Cooling %90

Heating 89

EER Cooling 3.21

COP Heating 3.71

Sound power level Cooling

dB(A)

59 60

Heating 58 59

Sound pressure level Cooling Hi: 45 Me: 34 Lo: 23 47

Heating Hi: 43 Me: 34 Lo: 26 45

Silent mode sound pressure level — —

Exterior dimensions (Height x Width x Depth) mm 262 x 769 x 210 540 x 645(+57) x 275

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 6.9 25

Compressor type & Q'ty — RM-B5077MDE5(Rotary type) x 1

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

Refrigerant oil (Amount, type) — 0.3 (DIAMOND FREEZE MA68)

Refrigerant (Type, amount, pre-charge length) kg R410A 0.655 in outdoor unit (incl. the amount for the piping of 10m)

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: 10.1 Me: 7.3 Lo: 4.2 26.0

Heating Hi: 9.5 Me: 7.3 Lo: 5.2 19.7

Available external static pressure Pa 0 0

Outside air intake Not possible —

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

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

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 : 0.39 / Gas line : 0.32 —

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 3.9 / 3.8 / 3.6 (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

Option parts —

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.

(5) The refrigerant quantity to be charged includes the refrigerant in 10 m connecting piping.

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

If the piping length is longer, when it is 10 to 15 m, add 20 g refrigerant per meter.

The pipe length is 7.5m.

1. SPECIFICATIONS

'13 • SRK-T-152

Model SRK35ZMP-SJ

Model

Item

SRK35ZMP-SJ

Indoor unit SRK35ZMP-SJ Outdoor unit SRC35ZMP-SJ

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

Operation

data

Nominal cooling capacity (range) kW 3.2 (0.9 (Min.) - 3.5 (Max.))

Nominal heating capacity (range) kW 3.6 (0.9 (Min.) - 4.3 (Max.))

Power

consumption

Cooling

0.995 (0.23 - 1.32)

Heating 0.995 (0.19 - 1.31)

Max power consumption 1.65

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, max current 4.9 / 4.7 / 4.5 (220 / 230 / 240 V) Max. 9

Power factor Cooling %93

Heating 93

EER Cooling 3.22

COP Heating 3.62

Sound power level Cooling

dB(A)

60 60

Heating 58 60

Sound pressure level Cooling Hi: 47 Me: 36 Lo: 23 49

Heating Hi: 44 Me: 36 Lo: 28 48

Silent mode sound pressure level — —

Exterior dimensions (Height x Width x Depth) mm 262 x 769 x 210 540 x 645(+57) x 275

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 7.2 27

Compressor type & Q'ty — RM-B5077MDE5(Rotary type) x 1

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

Refrigerant oil (Amount, type) — 0.3 (DIAMOND FREEZE MA68)

Refrigerant (Type, amount, pre-charge length) kg R410A 0.81 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: 9.5 Me: 6.8 Lo: 4.2 25.4

Heating Hi: 9.6 Me: 7.4 Lo: 5.5 20.5

Available external static pressure Pa 0 0

Outside air intake Not possible —

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

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

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 : 0.39 / Gas line : 0.32 —

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 4.9 / 4.7 / 4.5 (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

Option parts —

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

(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.

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

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

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

The pipe length is 7.5m.

'13 • SRK-T-152

Terminal block

Unit:mm

Wireless remote control

Outlet for down piping

（Refer to the above view）

Space for installation and service when viewing from the front

D E C

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）

Model 25,35 φ9.52(3／8")(Flare)

Model 45 φ12.7(1／2")(Flare)

Note（1）The model name label is attached

on the underside of the indoor unit.

150

17.3

190 40.1

130.5 508 130.5

157 455 157

187.5 394 187.5

7.6247.5

6.9

（Service space）

100

（Service space）

359.5

427.5

530

Installation plate

Unit

6025 60 25

768.1

769

262

609

210 3

2. EXTERIOR DIMENSIONS

(1) Indoor units

Models SRK25ZMP-SJ, 35ZMP-SJ

'13 • SRK-T-152

( )

322

135

275

120.5

74.5 480 90.5 20.2

645 57.2

14.8

336

16.8

304.4

16.5

540

86.3 43.2

147.2

Center of gravity

※3

※1

※2

φ9.52(3／8")(Flare)

Content

C Pipe／cable draw-out hole

E Anchor bolt hole

Drain discharge hole

Symbol

A Service valve connection(gas side)

M10×4places

φ20×2places

Service valve connection(liquid side)φ6.35(1／4")(Flare)

Unit:mm

Intake

Outlet

Intake L3

Minimum installation space

Service

space

100

250

Open

Ｉ Ⅱ Ⅲ Ⅳ

Open

250

280

Open

100

Examples of

Dimensions

installation

180

Open

Terminal block

SRC35ZMP-SJ

SRC25ZMP-SJ

220

210

※1

108

103240

240

Dimensions

MODEL

※2※3

20゜

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 right side of the unit.

(2) Outdoor units

Models SRC25ZMP-SJ, 35ZMP-SJ

'13 • SRK-T-152

Unit: mm

60 17.3

150

(3) Wireless remote control

'13 • SRK-T-152

WIRELESS

R-AMP

DISPLAY

S／N

CNGCNE

250V 3.15A

CNU

CNM

BACK UP SW

CNF

F M

S M

Blue

BlackBK

Red

WhiteWH

Yellow／GreenY／G

ColorMark

Heat exch. sensor

Fan motor

Room temp. sensor

Flap motor

Diode stackDS

FuseF

ConnectorCNE

Terminal blockTB

Description

Item

VaristorVa

ThI

Th2

YellowY

Humidity sensor

CNF

CNG

CNM

CNU

Y／G

BOX,

CONTROL

2／N

TO OUTDOOR UNIT

1 3 4 5

HEAT

EXCHANGER

6 2 2 2

t゜

HEAT

EXCHANGER

PWB ASSY

3. ELECTRICAL WIRING

(1) Indoor units

Models SRK25ZMP-SJ, 35ZMP-SJ

'13 • SRK-T-152

[ ]

Color

Mark

OrangeOR

Yellow／GreenY／G

BlackBK

YellowY

WhiteWH

Red

DescriptionItem

Connector

Electric expansion valve（coil）

EEV

Fan motor

FMo

Reactor

Terminal block

Compressor motor

Solenoid coil for 4 way valve

20S

Heat exchanger sensor（outdoor unit）

TH1

Outdoor air temp. sensor

TH2

TH3 Discharge pipe temp. sensor

CN20S

CNEEV

CNFAN

CNTH

Model

Power cable, indoor-outdoor connecting wires

● The specifications shown in the above table are for units without heaters. For units with heaters, refer

to the installation instructions or the construction instructions of the indoor unit.

● Switchgear of Circuit breaker capacity which is calculated from MAX. over current should be chosen

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.

35 9 2.0 32 1.5mm2x 4 1.5

～220-240V 50Hz

POWER SOURCE

（BK）

C-2

（RD）

（Y／G）

S.IN（WH）

R.IN

（BK）

（WH）

（RD）

PWB ASSY

250V 20A

F3 250V 1A

250V 10A

250V 2A

CIRCUIT

PAM

SWITCHING POWER

CIRCUIT

TRANSISTOR

POWER

FILTER

NOISE

CN20S CNTH CNEEV

CNFAN

3～

250V 15A

（Y／G）

T1 T2

（OR）

（Y）

TH1 TH2 TH3 EEV

FMo

t゜

TO INDOOR UNIT

POWER WIRES

SIGNAL WIRE

20S

t゜

MAX running current Power cable size

（mm2）

（A）

Power cable length

（m）

indoor-outdoor

wire size x number

Earth wire size

（mm2）

(2) Outdoor units

Models SRC25ZMP-SJ, 35ZMP-SJ

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