Name: Hitachi RPK-1.5FS
Brand: Hitachi
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Flexible1
Fuzzy Control1
Index2
Contents2
Servicing4
Troubleshooting5
Dip Switch Setting5
Indoor Unit5
Optional Function Setting5
Capacity Code Setting6
Capacity Adjustment Setting6
CH Unit6
Setting of Dip Switches6
Outdoor Unit7
Checking of Electrical Wiring8
Example for Electrical Wiring Connection of FS2 System8
Checking by 7-Segment Display10
Emergency Operation When Compressor Is Damaged11
Failure of Inverter Compressor11
Contents of Operation11
Operating Condition11
Failure of Constant Speed Compressor12
Failure of Power Supply to Indoor Unit and Remote Control Switch12
Failure of Power Supply13
Abnormal Transmission of Remote Control Switch13
Abnormalities of Devices14
Alarm Code Table21
Alarm Code 0122
Activation of Safety Device in Indoor Unit22
Alarm Code 0224
Activation of Safety Device for Outdoor Unit24
Alarm Code 0327
Abnormal Transmitting between Indoor and Outdoor Units27
Abnormal Transmitting between Indoor Units, CH Units and Outdoor Units29
FX2 System30
Abnormal Transmitting between Inverter and Outdoor PCB1,3,431
Alarm Code 0533
Abnormality of Picking up Phase Signal33
Alarm Code 0634
Excessively Low or High Voltage for Inverter34
Decrease of Discharge Gas Superheat35
Activation of Protection Device for Outdoor Fan Motor39
Activation of Protection Device for Indoor Fan Motor43
Abnormality of High Pressure Sensor for Outdoor Unit44
Alarm Code 2245
Alarm Code 2346
Alarm Code 2447
Alarm Code 2948
Alarm Code 3049
Incorrect Wiring Connection49
Alarm Code 3150
Alarm Code 3251
Alarm Code 3552
Incorrect Indoor Unit No. Setting52
Alarm Code 3853
Alarm Code 3954
Alarm Code 4356
Alarm Code 4457
Alarm Code 4558
Alarm Code 4659
Alarm Code 4760
Alarm Code 5161
Alarm Code 5262
Alarm Code 5364
Protection Activation of Transistor Module64
Troubleshooting in Check Mode by Remote Control Switch65
Contents of Check Mode 166
Compressor Pressure68
Frequency Indication68
Troubleshooting by 7-Segment Display71
Checking Method by 7-Segment Display71
Running Current of Compressor75
Inverter Primary Current75
Cause of Stoppage for Inverter75
Protection Control Code on 7-Segment Display76
Function of Dsws and Leds78
Printed Circuit Board in Indoor Unit78
Printed Circuit Board in Outdoor Unit79
Arrangement79
Control Printed Circuit Board80
Pcb180
Dip Switches and LED Functions on Outdoor Unit Printed81
Inverter Printed Circuit Board82
Sub-PCB83
Printed Circuit Board in CH Unit84
Procedure of Checking each Main Parts85
Self-Checking of Pcbs Using Remote Control Switch85
Self-Checking of Remote Control Switch87
Self-Checking of Indoor Unit PCB88
Self-Checking by Relays and LED on Indoor Unit PCB88
Self-Checking of CH Unit PCB89
Self-Checking Procedures89
Contents of Test89
Self-Checking of 7-Day Timer90
Self-Checking of Central Station91
Procedure of Checking Other Main Parts92
Checking Procedures Transistor Module93
Checking Procedures on Diode Module94
Checking Method of Electronic Expansion Valve95
Checking of Electrical Coil Parts96
Checking of Compressor99
Check List on Compressor100
Test Run101
Test Run Mode by Remote Control Switch101
Test Run Mode by Outdoor Unit102
Cause of Stoppage102
Compressor Forced Stop102

Cooling Capacity	1.5 kW
Power Supply	220-240V, 50Hz
Refrigerant	R410A
Net Weight (Indoor Unit)	8 kg
Operating Temperature (Cooling)	18°C to 43°C

Hitachi RPK-1.5FS User Manual

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