Mitsubishi SE-1.6AR.TH (-T), SE-2AR.TH (-T), SE-2.5AR.TH (-T), SU-1.6VR.TH (-T), SU-2NR.TH Service Manual

TECHNICAL & SERVICE MANUAL

SPLIT-TYPE, AIR CONDITIONERS

CONTENTS

1. PART NAMES AND FUNCTIONS ········2

2. SPECIFICATIONS·································4

3. OUTLINES AND DIMENSIONS············7

4. WIRING DIAGRAM·······························9

5.

REFRIGERANT SYSTEM DIAGRAM

······12

6. DATA···················································16

7. MICROPROCESSOR CONTROL·······21

8. TROUBLESHOOTING························25

9. DISASSEMBLY PROCEDURE···········31

10. PARTS LIST········································36

11. OPTIONAL PARTS ·····························40

SE-1.6AR.TH SE-2AR.TH SE-2.5AR.TH

SE-1.6AR.TH-T SE-2AR.TH-T SE-2.5AR.TH-T

No. OC167

[Models]

INDOOR UNIT

The Slim Line. From Mitsubishi Electric.

REMOTE CONTROLLER

SU-1.6NR.TH SU-2NR.TH SU-2.5NR.TH SU-1.6VR.TH SU-2VR.TH SU-2.5VR.TH SU-1.6VR.TH-T SU-2VR.TH-T SU-2.5VR.TH-T

MITSUBISHI ELECTRIC

12 11 10

9 8 7 6 5 4 3 2 1

29 28 27 26 25 24 23 22 21 20 19 18

TIMER TEMP

TIMER/TEMP.

UP

DOWN

POWER

COOL

ON/OFF

MODE

SELECT

FAN

SPEED

TIMER MODE

DRY FAN

HIGH

LOW

AUTO STOP

START

OUTDOOR UNIT

Series SE

Ceiling Concealed

REVISED EDITION-A

Revision

• SE-1.6AR.TH-T, SE-2AR.TH-T, SE-2.5AR.TH-T, SU-1.6VR.TH, SU-1.6VR.TH-T, SU-2VR.TH, SU-2VR.TH-T, SU-2.5VR.TH and SU-2.5VR.TH-T are added.

•Please destroy OC167, if you have.

2

1

PART NAMES AND FUNCTIONS

● Indoor Unit

SE-1.6AR.TH SE-1.6AR.TH-T SE-2AR.TH SE-2AR.TH-T SE-2.5AR.TH SE-2.5AR.TH-T

Air outlet duct flange

Air outlet

Air intake (Selecting the either back side or bottom side.)

SU-1.6NR.TH SU-1.6VR.TH SU-1.6VR.TH-T SU-2NR.TH SU-2VR.TH SU-2VR.TH-T SU-2.5NR.TH SU-2.5VR.TH SU-2.5VR.TH-T

Air intake

Air outlet

Drain outlet

Piping

Drain hose

● Outdoor Unit

3

● Remote controller SE-1.6AR.TH SE-1.6AR.TH-T

SE-2AR.TH SE-2AR.TH-T SE-2.5AR.TH SE-2.5AR.TH-T

MITSUBISHI ELECTRIC

12 11 10

9 8 7 6 5 4 3 2 1

29 28 27 26 25 24 23 22 21 20 19 18

TIMER TEMP

TIMER/TEMP.

UP

DOWN

POWER

COOL

ON/OFF

MODE

SELECT

FAN

SPEED

TIMER MODE

DRY FAN

HIGH

LOW

AUTO STOP

START

TIMER / TEMP.

This button is used to change between display of room temperature and display of remaining timer during "AUTO STOP" operation. Green lamps light in selected display

Remaining timer time display

Lamps display remaining timer time or room temperature.

Lamps indicate time remaining until timer stops timed operation. Green lamps corresponding to remaining number of hours light.

Room Temperature display

Lamps display temperature settings and actual room temperatures.

● Temperature settings; Green lamps light.

● Temperature in room; Green lamps flash.

(Example display readings are for explanations only ; autual display readings will differ.)

This button is used to change between low and high fan speeds. One of two green lamps lights to indicate fan speed in effect.

MODE SELECT button

This button is used to change between cooling, ventilation and DRY operation modes. One of three green lamps lights to indicate mode in effect.

ON / OFF button

Pushing button starts operation. Pushing again stops operation. Green lamp remains lit during

UP and DOWN buttons

● Temperature control (While "TEMP" green lamps is lit.) Use UP and DOWN buttons to set disired temperature between 18 and 29°C.

● Timed operation (While green "TIMER" lamp is lit.) Use UP and DOWN buttons to set timed operation between one and twelve hours.

TIMER MODE button

Used for selecting timed starting or stopping. Green lamps lights to indicate timer mode selected.

● Pushing UP and Down buttons together for more than two seconds will initiate "trial run" or "inspection" mode. Avoid pushing these buttons simultaneously during normal operation. Push ON / OFF button to cancel trial run or inspection mode if initiated by accident.

● All green lamps turn off when air conditioner is stopped.

● Avoid operation of buttons with fingernails or other sharp objects. Sharp objects may scratch operating panel.

Attention :

Settings remain in effect until changed. Air conditioner can be operated by simply pushing ON /OFF button once settings have been made.

FAN SPEED button

Display Panel Operating Panel

4

SPECIFICATIONS

2

Function

Power supply

Model

Capacity Dehumidification Air flow Running current Power input Power factor Starting current Compressor motor current Fan motor current

W

R/h

K/h

A W %

A

W

"

mm mm mm mm mm mm

kg kg

dB

dB rpm rpm

kg

R

k"

Capacity

Outdoor unit

Indoor unit

Electrical data

Coefficient of performance(C.O.P)

Compressor

Indoor fan motor

Outdoor fan motor

Dimensions

Indoor unit

Width Height Depth Width Height Depth

Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit

RT11(at 25:) RT12(at 25:) RT61(at 0:)

Sound level (Hi) Fan speed (Hi) Fan speed regulator

Outdoor unit

Refrigerant filling capacity(R-22)

Thermistor

Weight

Special remarks

Model Output Winding resistance (at 20:) Model

Winding resistance (at 20:)

Model

Winding resistance (at 20:)

SU -1.6NR.TH

Single phase, 220V, 60Hz Single phase, 220-240V, 50Hz

Cooling

780

PK6V19-ED

WHT-BLK :251.4 BLK-BLU : 19.9

BLU-YLW :26.5 YLW-RED :63.2

RA6V40-EE

WHT-BLK :130.4

BLK-RED :134.6

SU -1.6VR.TH SU -1.6VR.TH-T

SE -1.6AR.TH SE -1.6AR.TH SE -1.6AR.TH-T

3800

1.5

6.9

1500

99

6.18

2.53

51 740 820

RH-207NHDT

1000

C-R:1.68 C-S:2.78

50 720-770 780-820

1100

270 700 850 605 290

35 38 35

2 1

0.9

MS-56 O 0.52

10 10

33.18

4000

1.6

7.0-6.8

1490-1550

97-95

6.41-6.20

2.68-2.58

RH-247VHAT

1200

C-R:2.13 C-S:3.91

36

35-38

0.72

0.59-0.60

Refrigerant oil

NOTE:Test conditions (JIS)

Cooling : Indoor DB27°C WB19°C

Outdoor DB35°C WB24°C

5

Model

NOTE:Test conditions(JIS)

Indoor DB27°C WB19°C Outdoor DB35°C WB24°C

Capacity

Electrical

Data

Current

Input

W

A

W

5200

13.1

2850

NOTE:Test condition(SSA 385/386)

Indoor DB29˚C WB19˚C Outdoor DB46˚C WB24˚C

WSSA 385/386 can be applied only to Saudi Arabia.

— — —

Capacity

Electrical data

Coefficient of performance(C.O.P)

Compressor

Indoor fan motor

Outdoor fan motor

Dimensions

Weight

Special remarks

Dehumidification Air flow Running current Power input Power factor Starting current Compressor motor current Fan motor current

Model Output Winding resistance (at 20:) Model

Winding resistance (at 20:)

Model

Winding resistance (at 20:)

Indoor unit

Outdoor unit

Indoor unit Outdoor unit Sound level (Hi) Fan speed (Hi) Fan speed regulator Refrigerant filling capacity(R-22)

Refrigerant oil

Thermistor

Function

Power supply

Indoor unit Outdoor unit

Width Height Depth Width Height Depth

Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit

RT11(at 25:) RT12(at 25:) RT61(at 0:)

W

R/h

K/h

A W %

A

W

"

mm mm mm mm mm mm

kg kg

dB

dB rpm rpm

kg

R

k"

SE -2AR.TH SE -2AR.TH SE -2AR.TH-T SU -2NR.TH

Cooling

Single phase, 220V, 60Hz Single phase, 220-240V, 50Hz

5900

11.5

2500

99 55

10.66

0.84

2.36

NH-33NCDT

1500

C-R:0.92 C-S:1.93

WHT-BLK :161.9 BLK-BLU : 50.3

BLU-YLW :18.7 YLW-RED :47.2

53 890 860

1.65

MS-32(N-1) O 0.85

PK6V32-ED

RA6V50-OF

WHT-BLK :116.4

BLK-RED :111

SU -2VR.TH SU -2VR.TH-T

2.6

1020

10.4-10.2

2250-2350

9.73-9.51

0.67-0.69

2.49-2.38

NH-38VMDT

C-R:1.07 C-S:2.26

1100

270 700 850 605 290

35 55 39

810-850

810-845 2 1

10 10

33.18

MS-32(N-1) O 1.2

5600

98-96 51-55

1700

52

1.6

6

Function

Power supply

Model

Capacity Dehumidification Air flow Running current Power input Power factor Starting current Compressor motor current Fan motor current

W

R/h

K/h

A W %

A

W

"

mm mm mm mm mm mm

kg kg

dB

dB rpm rpm

kg

R

k"

Capacity

Outdoor unit

Indoor unit

Electrical data

Coefficient of performance(C.O.P)

Compressor

Indoor fan motor

Outdoor fan motor

Dimensions

Indoor unit

Width Height Depth Width Height Depth

Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit

RT11(at 25:) RT12(at 25:) RT61(at 0:)

Sound level (Hi) Fan speed (Hi) Fan speed regulator

Outdoor unit

Refrigerant filling capacity(R-22)

Thermistor

Weight

Special remarks

Model Output Winding resistance (at 20:) Model

Winding resistance (at 20:)

Model

Winding resistance (at 20:)

SU -2.5NR.TH

Single phase, 220V, 60Hz Single phase, 220-240V, 50Hz

Cooling

3.2

1200

PK6V50-ED

WHT-BLK :101.1 BLK-BLU : 56.1

BLU-YLW :14.7 YLW-RED :34.9

RA6V60-AB

WHT-BLK :81.1 BLK-YLW :92.2

YLW-RED :102.2

SU -2.5VR.TH SU -2.5VR.TH-T

SE -2.5AR.TH SE -2.5AR.TH SE -2.5AR.TH-T

7000

13.6

2920

98

12.52

2.40

54 980 930

NH-38NBDT

1700

C-R:0.83 C-S:1.83

53 860-890 860-890

1100

270 700 850 605 290

35 61 43

2 2

2.15

MS-32(N-1) O 1.2

10 10

33.18

6600

14.0-13.2

3030-3050

98-96

13.11-12.26

2.18-2.16

NH-47VMDT

2200

C-R:0.96 C-S:2.07

56

59

1.08

0.89-0.94

Refrigerant oil

NOTE:Test conditions(JIS)

Indoor DB27°C WB19°C Outdoor DB35°C WB24°C

Capacity

Electrical

Data

Current

Input

W

A

W

6100

16.2

3490

NOTE:Test condition(SSA 385/386)

Indoor DB29˚C WB19˚C Outdoor DB46˚C WB24˚C

WSSA 385/386 can be applied only to Saudi Arabia.

— — —

7

OUTLINES AND DIMENSIONS

3

INDOOR UNIT

SE-1.6AR.TH SE-1.6AR.TH-T SE-2AR.TH SE-2AR.TH-T SE-2.5AR.TH SE-2.5AR.TH-T

SU-1.6NR.TH SU-1.6VR.TH SU-1.6VR.TH-T SU-2NR.TH SU-2VR.TH SU-2VR.TH-T SU-2.5NR.TH SU-2.5VR.TH SU-2.5VR.TH-T

605

29220

50

133

500

161

850

74

30

100

157

35

30

Service panel

Liquid refrigerant

pipe joint

Refrigerant pipe

(flare)

Gas refrigerant

pipe joint

Refrigerant pipe

(flare)

12.7 (SU-1.6NR.TH)

15.88 (SU-2/2.5NR.TH)

6.35 (SU-1.6/2NR.TH) (SU-1.6/2VR.TH,SU-1.6/2VR.TH-T)

(SU-1.6/2VR.TH,SU-1.6/2VR.TH-T)

9.52 (SU-2.5NR.TH) (SU-2.5VR.TH,SU-2.5VR.TH-T)

(SU-2/2.5VR.TH,SU-2/2.5VR.TH-T)

Air intake

View A

A

Electrical parts box

Suspension

bolt

pitch

Air outlet

Access door

Service space(It is necessary to maintain a working service area from the ceiling.)

20 mm or more

Access door

Electrical parts box

Suspension bolt pitch

Drain plug R1 male

Refrigerent pipe(liquid) {6.35(SE-1.6/2AR.TH)

(SE-1.6/2AR.TH-T)

{9.52(SE-2.5AR.TH)

(SE-2.5AR.TH-T)

Refrigerent pipe(gas) {12.7(SE-1.6AR.TH)

(SE-1.6AR.TH-T)

{15.88(SE-2/2.5AR.TH)

(SE-2/2.5AR.TH-T)

Unit : mm

OUTDOOR UNIT

350

35

248

Drainage 3holes 16.2

20

290

310

345

10cm or more

If the right/left sides or back side is vacant,the front has only to be 50cm unobstructed.

50cm

or m

ore

If the front or right/left sides

are vacant, the top has only

to be 10cm

10cm or more

unobstructed.

10cm or more

35cm

or m

ore

8

REMOTE CONTROLLER

Remote controller cable installation

MITSUBISHI ELECTRIC

12 11 10

9 8 7 6 5 4 3 2 1

29 28 27 26 25 24 23 22 21 20 19 18

TIMER TEMP

TIMER/TEMP.

UP

DOWN

POWER

COOL

ON/OFF

MODE

SELECT

FAN

SPEED

TIMER

MODE

DRY FAN

HIGH

LOW

AUTO STOP

START

75

69

108

117

108

96.5

12

90.5

11.6

3.6

33

117

33

Rear side wiring arrangememt opening

Upper side wiring arrangement opening

Fixing hole

83.5

12

86

4.6

46

9.2

MITSUBISHI ELECTRIC

12 11 10

9 8 7 6 5 4 3 2 1

29 28 27 26 25 24 23 22 21 20 19 18

TIMER TEMP

TIMER/TEMP.

UP

DOWN

POWER

COOL

ON/OFF

MODE

SELECT

FAN

SPEED

TIMER MODE

DRY FAN

HIGH

LOW

AUTO STOP

START

Exposed remote controller cable

Cable can be connected only to the top of the remote controller. (Right side, left side, and buttom are not possible.)

●For exposed remote controller cable installation

Note : The cable for the remote controller has 10m (39ft) length and 12-core with connectors O.D. 5.8.

●For recessed remote controller cable installation

Unit : mm

Remote controller cable

Conduit tube (local arrangement)

Switch box (local arrangement)

Set screw (match with switch box), local arrangement.

9

NOTE :1. Since the indoor fan motor (MF) is connected with 50 Hz power, if 60Hz power is used,change the wiring

connection showing fig:*1

Indoor Fan Moter(MF) for 60Hz

2. About the outdoor side electric wiring referto the outdoor unit electric wiring diagram for servicing.

3. Use copper conductors only. (For field wiring)

4. Symbols below indicate.

/:Terminal block, : Connector

How to remove the terminals shown at ”W” mark.

WIRING DIAGRAM

4

P.C BOARD

INTERFACE

BOARDP.C

CONTROLLER

REMOTE

12 12

104B

CN

120

CN

120

CNR

TB

CIRCUIT BREAKER

POWER SUPPLY ~/N 220-240V 220V

50Hz 60Hz

L

N

GRN/YLW

3

RED

W

BRN

2

N

BLU

WHT

GRN/YLW

BLU

TO OUTDOOR UNIT CONNECTING

TB

5

CN

104

2

RT11

RT12

3

CN201

2 1

2

CN

112

CN

113

YLW BLU

BLU

YLW

TRANS

8

LDCOM LDC11 LDC12

LDFL LDFM

LDFH

SR142 SR143

SR144

GRN/YLW

WHT ORN RED

BLK

WHT

4 5 6

1 2 3 7

ELECTRONIC CONTROL P.C BOARD

NR11

C11

52C

RED

ORN

F11

4

3

MF

HIC1

SR141 SR144

RT11

TB

TERMINAL BLOCK

RT12

INDOOR COIL THERMISTOR

HIC1

DC/DC CONVERTER

NR11

MF

52C

F11

SYMBOL

NAME NAME

C11

SYMBOL

FAN MOTOR CAPACITOR

SOLID STATE RELAY

FUSE(3.15A)

COMPRESSOR CONTACTOR

ROOM TEMPERATURE THERMISTOR

VARISTOR

FAN MOTOR

NAMESYMBOL

~

CONTROLLER

REMOTE

220-240V 220V

50Hz 60Hz

220-240V 220V

50Hz 60Hz

”W” shows the terminals with a lock mechanism,so they cannot be removed when you pull the lead wire.

Be sure to pull the wire by pushing the locking lever (project part) of the terminal with a finger.

1Slide the sleeve. 2Pull the wire while pushing the locking lever.

BLUE

YELLOW

60

50

fig: *1

BLUE

SE-1.6AR.TH SE-1.6AR.TH-T SE-2AR.TH SE-2AR.TH-T SE-2.5AR.TH SE-2.5AR.TH-T

INDOOR UNIT

10

OUTDOOR UNIT

SU-1.6NR.TH SU-2NR.TH

NOTE :1. Use copper conductors only. (For field wiring)

2. Since the indoor and outdoor unit connecting wires have polarity, connect them according to the numbers (N,2,3 and ;).

3. Symbols below indicate.

/:Terminal block, : Connector

4. ”w” shows the terminals with a lock mechanism,so they cannot be removed when you pull the lead wire. Be sure to pull the wire by pushing the locking lever (project part) of the terminal with a finger.

1Slide the sleeve. 2Pull the wire while pushing the locking lever.

BLK

YLW

VLT

26C

BLU

WHT

RED

BLU

WHT

ORN

RED

52C

4

3

2

1

C2

WHT BLK

ORN

RED

WHT

MF

MC

CR

A2

A1

BLU

F

TB2

L1/1

L3/5

R

C

S

BLK

RED

C1

T1/2

T3/6

BLU

GRN/YLW

2

3

TO INDOOR

UNIT

CONNECTING

W

TB

220V, 60Hz

THERMAL SWITCH26C

TB2 TERMINAL BLOCKF FUSE(2A)

CR SURGE ABSORBER

TERMINAL BLOCK

COMPRESSOR CONTACTOR52C

TB

FAN MOTOR

(INNER THERMOSTAT)

COMPRESSOR

MC

FAN MOTOR CAPACITOR

COMPRESSOR CAPACITOR

C2

C1

NAME

SYMBOL

NAME

SYMBOL

NAME

SYMBOL

MF

N

THERMAL SWITCH26CTB2 TERMINAL BLOCKF FUSE(2A)

CR SURGE ABSORBER

THERMAL REED SWITCH26F1

FAN MOTOR RELAYX1

TERMINAL BLOCK COMPRESSOR CONTACTOR52CTB

FAN MOTOR

(INNER THERMOSTAT)

COMPRESSOR

MF

MC

FAN MOTOR CAPACITOR

COMPRESSOR CAPACITOR

C2

C1

NAME

SYMBOL

NAME

SYMBOL

NAME

SYMBOL

YLW

VLT

BLK

CR

A2

A1

26C

BLK

BLU

ORN

BLU

X1

26F1

F

RED

8

7

BLU

RED

WHT

52C

TB2

RED

C2

GRN/YLW

2

3

RED

N

W

TB

220V, 60Hz

L1/1

L3/5

MC

R

C

S

BLK

RED

C1

WHT

52C

T1/2

T3/6

BLU

TO INDOOR

UNIT

CONNECTING

1

3

5

X1

6

5

4

3

2

1

YLW

MF

YLW

BLK BLK

WHT

RED ORN

WHT

ORN

RED

SU-2.5NR.TH

11

OUTDOOR UNIT

SU-1.6VR.TH SU-2VR.TH SU-1.6VR.TH-T SU-2VR.TH-T

NOTE :1. Use copper conductors only. (For field wiring)

2. Since the indoor and outdoor unit connecting wires have polarity, connect them according to the numbers (N,2,3 and ;).

3. Symbols below indicate.

/:Terminal block, : Connector

4. ”w” shows the terminals with a lock mechanism,so they cannot be removed when you pull the lead wire. Be sure to pull the wire by pushing the locking lever (project part) of the terminal with a finger.

1Slide the sleeve. 2Pull the wire while pushing the locking lever.

VLT

YLW

BLU

WHT

RED

BLU

WHT

ORN

RED

52C

4

3

2

1

C2

WHT BLK

ORN

RED

WHT

MF

MC

CR

A1

A2

BLU

F

TB2

L1/1

L3/5

R

C

S

BLK

RED

C1

T1/2

T3/6

BLU

GRN/YLW

2

3

TO INDOOR

UNIT

CONNECTING

N

TB

220-240V,50Hz

W

YLW

VLT

BLU

ORN

1

3

5

X1

BLU

X1

26F1

F

RED

8 7

BLU

RED

WHT

52C

CR

TB2

WHT

RED

A1

A2

6

5

4

3

2

1

YLW

C2

MF

YLW

BLK BLK

WHT

RED ORN

WHT

ORN

RED

L1/1

L3/5

MC

R

C

S

BLK

RED

C1

WHT

52C

T1/2

T3/6

BLU

GRN/YLW

2

3

RED

TO INDOOR

UNIT

CONNECTING

N

TB

220-240V,50Hz

W

SU-2.5VR.TH SU-2.5VR.TH-T

TB2 TERMINAL BLOCKF FUSE(2A)

CR SURGE ABSORBER

TERMINAL BLOCK

COMPRESSOR CONTACTOR52C

TB

FAN MOTOR

(INNER THERMOSTAT)

COMPRESSOR

MF

MC

FAN MOTOR CAPACITOR

COMPRESSOR CAPACITOR

C2

C1

NAME

SYMBOL

NAME

SYMBOL

NAME

SYMBOL

TB2 TERMINAL BLOCKF FUSE(2A)

CR SURGE ABSORBER

THERMAL READ SWITCH26F1

FAN MOTOR RELAYX1

TERMINAL BLOCK COMPRESSOR CONTACTOR52CTB

FAN MOTOR

(INNER THERMOSTAT)

COMPRESSOR

MF

MC

FAN MOTOR CAPACITOR

COMPRESSOR CAPACITOR

C2

C1

NAME

SYMBOL

NAME

SYMBOL

NAME

SYMBOL

12

5

REFRIGERANT SYSTEM DIAGRAM

Indoor heat exchanger

Outdoor heat exchanger

Distributor (With strainer)

Flared connection

Room temperature thermistor

Indoor coil thermistor

Flared connection

Stop valve

Stop valve (with service port)

Strainer

Capillary tube (

[3.0x[1.8xR100

)

Capillary tube (

[3.0x[1.8xR550

)

Compressor

Refrigerant pipe [12.7 (Option) (with heat insulator)

Refrigerant pipe (Option) [6.35 (with heat insulator)

Dis pressure regulator

INDOOR UNIT

SE-1.6AR.TH

OUTDOOR UNIT

SU-1.6NR.TH

Indoor heat exchanger

Outdoor heat exchanger

Distributor (With strainer)

Flared connection

Room temperature thermistor

Indoor coil thermistor

Flared connection

Stop valve

Stop valve (with service port)

Strainer

Capillary tube (

[3.0x[2.0xr100

)

Capillary tube (

[3.0x[2.0xr700

)

Compressor

Refrigerant pipe [15.88 (Option) (with heat insulator)

Refrigerant pipe (Option) [6.35 (with heat insulator)

Accumulator Dis pressure regulator

INDOOR UNIT

SE-2AR.TH

OUTDOOR UNIT

SU-2NR.TH

INDOOR UNIT

OUTDOOR UNIT

SE-2.5AR.TH

SU-2.5NR.TH

Indoor coil thermistor

Room temperature thermistor

Indoor heat exchanger

Strainer

Distributor (With strainer)

Strainer

Refrigerant pipe [15.88 (Option) (with heat insulator)

Flared connection

Refrigerant pipe (Option) [9.52 (with heat insulator)

Stop valve (with service port)

Stop valve

Dis pressure regulator

Accumulator

Capillary tube (

[3.0x[2.0xR100

Capillary tube (

[3.0x[2.0xR600

Compressor

)

Strainer

)

Outdoor heat exchanger