General ASH7A, ASH7ASC-W, AOH7ASC, ASH7R, ASH7RSC-W Service Manual

Models

Indoor unit Outdoor unit

SPLIT TYPE ROOM AIR
CONDITIONER

WALL MOUNTED

type

ASH7ASC-W
ASH7RSC-W
ASH7ASCCW
ASH7RSCCW

AOH7ASC
AOH7RSC
AOH7ASCC
AOH7RSCC

CONTENTS

SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

OUTLINE AND DIMENSIONS . . . . . . . . . . . . . . . . 2

CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . 4

REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . 3

INDOOR PCB CIRCUIT DIAGRAM . . . . . . . . . . . 6

DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . 8

PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

14

STANDARD ACCESSORIES

. . . . . . . . . . . . . . .

SPECIFICATIONS

TYPE COOLING & HEATINGCOOL

INDOOR UNIT

OUTDOOR UNIT

COOLING CAPACITY ( kW )

HEATING CAPACITY ( kW )

ELECTRICAL DATA

POWER SOURCE

FREQUENCY

RUNNING CURRENT (A)

INPUT WATTS (kW)

E.E.R. (kW/kW)

MOISTURE REMOVAL

AIR CIRCULATION-Hi

COOL

HEAT

COOL

HEAT

COOL

HEAT

(m /hr)

COMPRESSOR

TYPE

DISCRIMINATION

POWER SOURCE

REFRIGERANT

R410A (g)

ASH7ASC-W

1.95 - 1.95

(V)

(Hz)

2.8 - 2.9

0.590 - 0.635

3.31 - 3.07

/h )(

3

80662745E

220 - 240V / 50Hz

ASH7ASCCW

ASH7RSC-W

AOH7RSCAOH7ASC AOH7RSCCAOH7ASCC

----

220 - 240

50

---

---

---

0.7

340

Hermetic type, Permanent split condenser,

2 pole, Single phase, Induction motor

650

COOL 350 HEAT 380

80679045Z, 80679045N

220 - 240V / 50Hz

ASH7RSCCW

2.05 - 2.05

2.30 - 2.30

3.3 - 3.3

3.1 - 3.1

0.70 - 0.73

0.65 - 0.69

2.93 - 2.81

3.54 - 3.33

0.8

580

FAN MOTOR

POWER SUPPLY

HI-SPEED

INDOOR UNIT

(r.p.m.)

OUTDOOR UNIT (r.p.m.)

MED-SPEED

LO-SPEED

QUIET

DIMENSIONS

INDOOR UNIT H x W x D (mm)

H x W x D (mm)OUTDOOR UNIT

WEIGHT

INDOOR UNIT GROSS / NET

OUTDOOR UNIT

GROSS / NET (kg)

NOISE LEVEL

HI-SPEED

(dB)

MED-SPEED

LO-SPEED

SUPER QUIET

INDOOR UNIT

OUTDOOR UNIT (dB)

(V)

(kg)

220 - 240

1,180 - 1,180

1,100 - 1,100

1,030 - 1,030

940 - 940

760 - 795

248 x 808 x 163

535 x 650 x 250

10 / 7.5

27 / 24

37 - 37

35 - 35

33 - 33

31 - 31

42 - 43

220 - 240

COOL 1,220 - 1,220 HEAT 1,310 - 1,310

COOL 1,120 - 1,120 HEAT 1,210 - 1,210

COOL 1,030 - 1,030 HEAT 1,090 - 1,090

COOL 940 - 940 HEAT 970 - 970

COOL 760 - 795 HEAT 760 - 795

248 x 808 x 163

535 x 650 x 250

10 / 7.5

28 / 25

COOL 37 - 37 HEAT 39 - 39

COOL 35 - 35 HEAT 37 - 37

COOL 33 - 33 HEAT 34 - 34

COOL 31 - 31 HEAT 31 - 31

COOL 43 - 44 HEAT 45 - 46

REFRIGERANT CHARGE (R-22)

Pipe length

FULL CHARGE AMOUNT

ADDITIONAL REFRIGERANT

(g)

5 m

7 m

10 m

580650

612682

660730

16 g / m 16 g / m

12005.04.20

DIMENSIONS

22005.04.20

REFRIGERANT SYSTEM DIAGRAM

Models : ASH7ASC-W / AOH7ASC

ASH7ASCCW / AOH7ASCCW

Models : ASH7RSC-W / AOH7RSC

ASH7RSCCW / AOH7RSCCW

Heating

Cooling

(with Charging valve)

Condenser

Muffler

Strainer

(Flare connection)
Gas pipe (9.52 dia.)
(Flare connection)

(Flare connection)
Liquid pipe (6.35 dia.)
(Flare connection)

[ INDOOR UNIT ]

[ OUTDOOR UNIT ]

[ Connecting pipe ]

Com-
pressor

3-Way valve

4-Way
valve

Capillary tube

for heating and cooling

2-Way valve

Check
valve

Capillary tube for heating

Evaporator

(with Charging port)

Condenser

(Flare connection)
Gas pipe (9.52 dia.)
(Flare connection)

(Flare connection)
Liquid pipe (6.35 dia.)
(Flare connection)

[ INDOOR UNIT ]

[ OUTDOOR UNIT ]

[ Connecting pipe ]

Com-
pressor

3-Way valve

Capillary tube

Strainer

2-Way valve

Evaporator

32005.04.21

CIRCUIT DIAGRAM

42005.04.21

Models : ASH7ASC-W / AOH7ASC

ASH7ASCCW / AOH7ASCCW