Chapter 2. Explamation Of Circuit And Op- Eration Block Diagrams - Sharp AE-Z40KR Service Manual

Split type air-to-air heat pump
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AYZP40KR
CHAPTER 2.
AYZP40KR
EXPLAMATION OF CIRCUIT AND OPERATION
[1] BLOCK DIAGRAMS
1. Indoor unit
5VDC regulation
Fan motor phase control circuit
Rotation pulse input circuit
AC clock circuit
Remote controller signal reception circuit
Buzzer drive circuit
CPU reset circuit
CPU oscillator circuit
CPU
Room temp. detect circuit
Heat exchanger pipe thermo circuit
EEPROM
Select circuit
Serial I/O circuit
Power supply relay drive circuit
Auto restart circuit
Test run circuit
Auxiliary mode
Power on circuit
Cluster generator drive circuit
Service Manual
12V DC regulation
Indoor fan motor
Fan motor pulse detect
Wireless remote control operation
Audible operation confirmation
Room temp. thermistor
Heat exchanger pipe thermistor
Louvre angle, fan speed
Wireless, preheat, Model select
Indoor/outdoor control signal I/O
Outdoor unit power supply on/off control
Test run (forced operation)
Auxiliary mode button ON/OFF
Self diagnostics, fault diagnosis
Cluster generator
2 – 1
AC power
2.5A
Fuse
Unit-unit wiring
(AC power and
serial signals)

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