Sharp AE-X30EJ Manuel de service télécharger pdf (Page 9)

AE-XM30GR

2 – 1

AE-XM30GR

Service Manual

CHAPTER 2. EXPLANATION OF CIRCUIT AND OPERATION

[1] BLOCK DIAGARM

CPU

Pump down switch circuit

Unit A thermo. circuit

Unit B thermo. circuit

Thermistor unit A

Thermistor unit B

Compressor

CN8A

CN8A

CN8A

Suction thermistor

CN8C

Expansion valve A

drive circuit

Expansion valve B

drive circuit

4-way valve relay

drive circuit

4-way

valve

Wire check switch circuit

Position detection circuit

LED drive circuit

Heat exchanger pipe

thermo circuit

Compressor thermo circuit

CPU reset circuit

Serial I/O circuit

Power transistor module

drive circuit

Outdoor fan motor relay

drive circuit

Power supply

circuit

Expersion valve D drive circuit

Expansion valve D

Expansion valve A

Expansion valve B

Expansion valve C

CPU oscillator circuit

AC overcurrent detection

circuit

DC overcurrent detection

circuit / Power transistor

module overheat

LED

Heat exchanger pipe

thermistor

Compressor thermistor

Current transformer

Compressor

Power

transistor module

Outdoor fan

motor

Smoothing

circuit

Active filter

circuit

Filter

circuit

AC power

Unit - unit

wiring

(AC power and

serial signals)

20 A

Fuse

Outdoor temp. thermo.

circuit

Outdoor temperature

thermistor

1A

Fuse

20 A

Fuse

2A

Fuse

3.15 A

Fuse

Expansion valve C

drive circuit

DC power

supply circuit

(RE)

(OR)

(N)

(BL)

(WH)

Unit C thermo. circuit Thermistor unit C

(BR)

Unit D thermo. circuit Thermistor unit D

(YE)

Suction pipe thermistor CN8A

Suction pipe thermo circuit

(BK)

DC over voltage

detection circuit

Heat sink thermistor CN8B

Heat sink thermo circuit

(BK)

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