Hitachi RPI-0.8FS Service Manual

Inverter-driven multi-split system hi-multi set-free fs2 series; hi-multi set-free fx2 series

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Table Of Contents

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Table of Contents

Flexible
Fuzzy Control
Index
Contents
Servicing
Troubleshooting
Dip Switch Setting
Indoor Unit
Optional Function Setting
Capacity Code Setting
Capacity Adjustment Setting
CH Unit
Setting of Dip Switches
Outdoor Unit
Checking of Electrical Wiring
Example for Electrical Wiring Connection of FS2 System
Checking by 7-Segment Display
Emergency Operation When Compressor Is Damaged
Failure of Inverter Compressor
Contents of Operation
Operating Condition
Failure of Constant Speed Compressor
Failure of Power Supply to Indoor Unit and Remote Control Switch
Failure of Power Supply
Abnormal Transmission of Remote Control Switch
Abnormalities of Devices
Alarm Code Table
Alarm Code 01
Activation of Safety Device in Indoor Unit
Alarm Code 02
Activation of Safety Device for Outdoor Unit
Alarm Code 03
Abnormal Transmitting between Indoor and Outdoor Units
Abnormal Transmitting between Indoor Units, CH Units and Outdoor Units
FX2 System
Abnormal Transmitting between Inverter and Outdoor PCB1,3,4
Alarm Code 05
Abnormality of Picking up Phase Signal
Alarm Code 06
Excessively Low or High Voltage for Inverter
Decrease of Discharge Gas Superheat
Activation of Protection Device for Outdoor Fan Motor
Activation of Protection Device for Indoor Fan Motor
Abnormality of High Pressure Sensor for Outdoor Unit
Alarm Code 22
Alarm Code 23
Alarm Code 24
Alarm Code 29
Alarm Code 30
Incorrect Wiring Connection
Alarm Code 31
Alarm Code 32
Alarm Code 35
Incorrect Indoor Unit No. Setting
Alarm Code 38
Alarm Code 39
Alarm Code 43
Alarm Code 44
Alarm Code 45
Alarm Code 46
Alarm Code 47
Alarm Code 51
Alarm Code 52
Alarm Code 53
Protection Activation of Transistor Module
Troubleshooting in Check Mode by Remote Control Switch
Contents of Check Mode 1
Compressor Pressure
Frequency Indication
Troubleshooting by 7-Segment Display
Checking Method by 7-Segment Display
Running Current of Compressor
Inverter Primary Current
Cause of Stoppage for Inverter
Protection Control Code on 7-Segment Display
Function of Dsws and Leds
Printed Circuit Board in Indoor Unit
Printed Circuit Board in Outdoor Unit
Arrangement
Control Printed Circuit Board
Pcb1
Dip Switches and LED Functions on Outdoor Unit Printed
Inverter Printed Circuit Board
Sub-PCB
Printed Circuit Board in CH Unit
Procedure of Checking each Main Parts
Self-Checking of Pcbs Using Remote Control Switch
Self-Checking of Remote Control Switch
Self-Checking of Indoor Unit PCB
Self-Checking by Relays and LED on Indoor Unit PCB
Self-Checking of CH Unit PCB
Self-Checking Procedures
Contents of Test
Self-Checking of 7-Day Timer
Self-Checking of Central Station
Procedure of Checking Other Main Parts
Checking Procedures Transistor Module
Checking Procedures on Diode Module
Checking Method of Electronic Expansion Valve
Checking of Electrical Coil Parts
Checking of Compressor
Check List on Compressor
Test Run
Test Run Mode by Remote Control Switch
Test Run Mode by Outdoor Unit
Cause of Stoppage
Compressor Forced Stop

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1 Flexible
2 Contents
3 Indoor Unit
4 Capacity Code Setting
5 Outdoor Unit
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Table of Contents

Troubleshooting

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Hitachi RPI-0.8FS Service Manual

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Troubleshooting

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