Hitachi RCI-2FSE Split Air Conditioner Manuals

Manuals and User Guides for Hitachi RCI-2FSE Split Air Conditioner. We have 1 Hitachi RCI-2FSE Split Air Conditioner manual available for free PDF download: Service Manual

Hitachi RCI-2FSE Service Manual (108 pages)

Inverter-driven multi-split system HI-Multi Set-Free FS2 Series; HI-Multi Set-Free FX2 Series

Brand: Hitachi | Category: Air Conditioner | Size: 8.95 MB

Flexible
1
Fuzzy Control
1
Index
2
Contents
2
Servicing
4
Troubleshooting
5
Dip Switch Setting
5
Indoor Unit
5
Optional Function Setting
5
Capacity Code Setting
6
Capacity Adjustment Setting
6
CH Unit
6
Setting of Dip Switches
6
Outdoor Unit
7
Checking of Electrical Wiring
8
Example for Electrical Wiring Connection of FS2 System
8
Checking by 7-Segment Display
10
Emergency Operation When Compressor Is Damaged
11
Failure of Inverter Compressor
11
Contents of Operation
11
Operating Condition
11
Failure of Constant Speed Compressor
12
Failure of Power Supply to Indoor Unit and Remote Control Switch
12
Failure of Power Supply
13
Abnormal Transmission of Remote Control Switch
13
Abnormalities of Devices
14
Alarm Code Table
21
Alarm Code 01
22
Activation of Safety Device in Indoor Unit
22
Alarm Code 02
24
Activation of Safety Device for Outdoor Unit
24
Alarm Code 03
27
Abnormal Transmitting between Indoor and Outdoor Units
27
Abnormal Transmitting between Indoor Units, CH Units and Outdoor Units
29
FX2 System
30
Abnormal Transmitting between Inverter and Outdoor PCB1,3,4
31
Alarm Code 05
33
Abnormality of Picking up Phase Signal
33
Alarm Code 06
34
Excessively Low or High Voltage for Inverter
34
Decrease of Discharge Gas Superheat
35
Activation of Protection Device for Outdoor Fan Motor
39
Activation of Protection Device for Indoor Fan Motor
43
Abnormality of High Pressure Sensor for Outdoor Unit
44
Alarm Code 22
45
Alarm Code 23
46
Alarm Code 24
47
Alarm Code 29
48
Alarm Code 30
49
Incorrect Wiring Connection
49
Alarm Code 31
50
Alarm Code 32
51
Alarm Code 35
52
Incorrect Indoor Unit No. Setting
52
Alarm Code 38
53
Alarm Code 39
54
Alarm Code 43
56
Alarm Code 44
57
Alarm Code 45
58
Alarm Code 46
59
Alarm Code 47
60
Alarm Code 51
61
Alarm Code 52
62
Alarm Code 53
64
Protection Activation of Transistor Module
64
Troubleshooting in Check Mode by Remote Control Switch
65
Contents of Check Mode 1
66
Compressor Pressure
68
Frequency Indication
68
Troubleshooting by 7-Segment Display
71
Checking Method by 7-Segment Display
71
Running Current of Compressor
75
Inverter Primary Current
75
Cause of Stoppage for Inverter
75
Protection Control Code on 7-Segment Display
76
Function of Dsws and Leds
78
Printed Circuit Board in Indoor Unit
78
Printed Circuit Board in Outdoor Unit
79
Arrangement
79
Control Printed Circuit Board
80
Pcb1
80
Dip Switches and LED Functions on Outdoor Unit Printed
81
Inverter Printed Circuit Board
82
Sub-PCB
83
Printed Circuit Board in CH Unit
84
Procedure of Checking each Main Parts
85
Self-Checking of Pcbs Using Remote Control Switch
85
Self-Checking of Remote Control Switch
87
Self-Checking of Indoor Unit PCB
88
Self-Checking by Relays and LED on Indoor Unit PCB
88
Self-Checking of CH Unit PCB
89
Self-Checking Procedures
89
Contents of Test
89
Self-Checking of 7-Day Timer
90
Self-Checking of Central Station
91
Procedure of Checking Other Main Parts
92
Checking Procedures Transistor Module
93
Checking Procedures on Diode Module
94
Checking Method of Electronic Expansion Valve
95
Checking of Electrical Coil Parts
96
Checking of Compressor
99
Check List on Compressor
100
Test Run
101
Test Run Mode by Remote Control Switch
101
Test Run Mode by Outdoor Unit
102
Cause of Stoppage
102
Compressor Forced Stop
102

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