Hitachi IVX RAS-5HRNME Manuals

Manuals and User Guides for Hitachi IVX RAS-5HRNME. We have 1 Hitachi IVX RAS-5HRNME manual available for free PDF download: Service Manual

Hitachi IVX RAS-5HRNME Service Manual (578 pages)

Brand: Hitachi | Category: Air Conditioner | Size: 47 MB

Table of Contents
8
Fan Units
29
Transportation of Outdoor Unit
31
Center of Gravity
31
Place Provision
33
Specifications
37
Right Side
49
Front Panel
49
Factory-Supplied Accessories
52
Single Installation
53
Multiple Installation
53
Lower Right
59
Initial Check
62
Installation
64
Suspension Bolts
64
Air Panel Installation
66
Indoor Unit
83
Rpc-(2.0~6.0)Fsn2E
85
Rpi(M)-(1.5~6.0)Fsn2E
89
Factory-Supplied Accessories
89
Initial Check
89
Unit Installation
90
Connecting Field Supply Duct and Suction Air Filter Servicing
91
Air Suction Direction Change
93
Rpk-(1.5~4.0)Fsn2M
94
Factory Supplied-Accessories
94
Initial Check
94
Unit Installation
95
Dimension of the Mounting Bracket
100
Rpf(I)-(1.5~2.5)Fsn2E
101
Factory Supplied-Accessories
101
Initial Check
101
Installation
102
Complementary Systems
105
KPI. Energy Recovery Ventilation Units
105
Relative Humidity
107
Optional Accessories
111
Fresh Air Intake
111
Branch Discharge
114
Filters
116
Specifications
118
General Notes
122
Piping Work Connection Considerations
123
Piping Materials
123
Three Principles on Refrigerant Piping Work
125
Suspension of Refrigerant Piping
126
Brazing Work
126
Refrigerant Charge
128
Caution of the Pressure by Check Joint
128
Refrigerant Charge Quantity
129
Pump down Refrigerant
130
Outdoor Units
131
Piping Connection
131
Refrigerant Piping Length
135
Refrigerant Piping Selection
135
Twin and Triple System Installation
136
Drain Discharging Boss
138
Applicable Model
138
Indoor Units and Complementary Systems
139
Rci-(1.5~6.0)Fsn2E
139
Rcim-(1.5-2.0)Fsn2
140
Rcd-(1.5~5.0)Fsn2
142
Rpc-(2.0~6.0)Fsn2E
143
Knockout Hole
144
Rear Side Connection
145
Drain Piping
145
Piping Connection
149
Gas Piping Connection
156
General Check
164
Electrical Wiring Connection for the Outdoor Unit
164
Setting the DIP Switches for the Outdoor Unit
165
Electrical Wiring Connection
170
Cable Tie
171
RPF\RPFI Units
179
Electrical WIRING between Indoor UNIT and Outdoor UNIT
187
Wire Sizes
189
H-Link System
191
Outdoor Unit
191
Electrical Wiring Diagrams
201
DEVICE Control SYSTEM
224
Indoor UNIT PCB
226
Switch Indication
229
Outdoor UNITS PCB
231
Protection and SAFETY Control
232
Oil Heater
232
STANDARD Operation SEQUENCE
234
Cooling Operation
234
Dry Operation
236
Heating Operation
238
Defrost Operation Control
240
STANDARD Control Functions
241
Freezing Protection During Cooling Process or Dry Operation
241
P Revention Control for Excessively High Discharge Gas Temperature
242
Activation for Protection Device Control
245
Preheating Control of Compressor
248
Prevention Control for High Pressure Increase
248
Available Optional Functions
249
Indoor Units
250
Available Ports
250
Description of Optional Input Signals
256
Description of Optional Output Signals
259
Econofresh KIT
260
Input Connections
261
Output Connections
261
Input Signals
263
Output Signals
263
Optional Functions
266
Optional Function Setting
271
Alarm Indication
285
Optional Functions Available through Wireless Remote Control SWITCH (PC-Lh3A + RECEIVER)
286
CHECKING Procedure before the TEST RUN
288
TEST RUN Procedure USING the Remote Control SWITCH
290
TEST RUN Procedure USING the Wireless Remote Control SWITCH
291
TEST RUN Procedure from the Outdoor UNIT SIDE
293
Cooling Operation
295
Heating Operation
295
Initial Troubleshooting
304
Checking Using the 7-Segment Display
304
Failure of the Power Supply to the Indoor Unit and the Remote Control Switch
305
Abnormal Transmission between the Remote Control Switch and the Indoor Unit
306
Abnormal Operation of the Devices
307
Troubleshooting Procedure
315
Alarm Code
315
Troubleshooting by Alarm Code
317
Thermistor Characteristics
332
Thermistor Characteristics
359
Compressor Protection
361
Troubleshooting in Check Mode
362
Temperature Indication
363
Troubleshooting Using the 7 Segment Display
368
Cause of Inverter Stoppage
370
Protection Control
371
Procedure for CHECKING each MAIN PART
373
Self-Checking Procedure of the Indoor Unit PCB (Only for RPK)
377
Confirmation Method
377
Procedure of Checking Other Main Parts
378
Check List on Compressor
389
Spare Parts
391
Rpc-(2.0~6.0)Fsn2E
396
Electrical Equipment
418
Outdoor UNIT RAS-3HVRNME
426
Removing Service Cover
426
Removing Air Outlet Grille
426
Removing Upper Cover
427
Removing Outdoor Fan Motor
427
Removing the Compressor
428
Removing Reversing Valve Coil
432
Removing Expansion Valve Coil
433
Removing Reversing Valve
434
Removing Expansion Valve
434
Removing Solenoid Valve
435
Removing Electrical Components
436
Removing Other Electrical Components
438
Removing Service Cover
439
Removing Air Outlet Grille
439
Removing Upper Cover
440
Removing Outdoor Fan Motor
441
Removing the Compressor
442
High Pressure Switch
445
R Emoving Expansion Valve Coil
448
Removing Reversing Valve
449
Removing Electrical Components
451
Terminal Board
452
Removing Other Electrical Components
453
Removing Outdoor Fan Motor
456
Removing Inverter Components
467
Removing Diode Module and Transistor Module
468
Removing Other Electrical Components
469
Rci-(1.5~6.0)Fsn2E
470
Removing the Long Life Filter
470
Removing the Air Intake Grille
470
Removing the Electrical Box Cover
471
Removing the Optional Air Panel
471
Removing the Fan Runner and Fan Motor
471
Removing the Bell-Mouth
472
Removing the Printed Circuit Board (PCB)
472
Removing the Drain Pan
473
Removing the Drain-Up Mechanism
473
Removing the Float Switch
473
Removing the Thermistor for Liquid Pipe and Gas Pipe
474
Removing the Electronic Expansion Valve Coil
474
Removing the Automatic Louver Motor
475
Rcim-(1.5-2.0)Fsn2
476
Removing the Air Filter
476
Removing the Air Intake Grille
476
Removing the Optional Air Panel
477
Removing the Fan Runner and Fan Motor
478
Removing the Bell-Mouth
478
Removing the Printed Circuit Board (PCB)
479
Removing the Drain Pan
479
Removing the Drain-Up Mechanism
480
Removing the Float Switch
481
Removing the Thermistor for Liquid Pipe and Gas Pipe
482
Removing the Electronic Expansion Valve Coil
482
Removing the Automatic Louver Motor
483
Rcd-(1.5~5.0)Fsn2
484
Removing the Long-Life Filter and the Air Inlet Grille
484
Removing the Electrical Box Panel
484
Removing the Optional Air Panel
484
Removing the Fan Runner and the Fan Motor
485
Removing the Printed Circuit Board (PCB)
486
Removing the Float Switch
486
Removing the Drain-Up Mechanism
486
Removing the Drain Pan
487
Removing the Thermistor for Liquid Pipe and Gas Pipe
488
Removing the Electronic Expansion Valve Coil
488
Removing the Automatic Louver Motor
490
Rpi-(1.5~6.0)Fsn2E
491
Removing the Electrical Box and Electrical Parts
491
Removing the Inlet Air Thermistor
491
Removing the Outlet Air Thermistor
492
Removing the Liquid and Gas Pipe Themistors
492
Removing the Fan Parts
493
Removing the Drain Pump
493
Removing the Float Switch
494
Removing the Air Filter
494
Rpim 1.5 Fsn2E
495
Electrical Parts
495
Rpc-(2.0~6.0)Fsn2E
498
Removing the Air Filter
498
Removing the Side Panel
498
Removing the Discharge Air Grille
498
Removing the Fan Motor
499
Removing the Bearing
500
Removing the Coupling
500
Removing the Automatic Louver Motor
500
Removing the Thermistors for Liquid Pipe and Gas Pipe
501
Removing the Printed Circuit Board (PCB)
501
Heat Exchanger
501
Rpk-(1.5-2.0)Fsn2M
502
Removing the Air Filter
502
Removing the Front Panel
502
Removing the Motor for the Automatic Louver
505
Removing the Thermistor for Liquid Pipe, Gas Pipe, Discharged Air and Suction Air
505
Removing the Electrical Box Panel
506
Removing the Drain Pan
507
Removing the Heat Exchanger
507
Removing the Fan Motor
508
Removing the Electronic Expansion Valve
509
Rpk-(2.5~4.0)Fsn2M
511
Air Filter
511
Removing the Right Side Cover
512
Removing the Thermistors for Liquid Pipe, Gas Pipe, Discharge Air and Suction Air
513
Removing the Drain Pan
514
Removing the Electrical Box Panel
516
Removing the Heat Exchanger
516
Removing the Fan and the Fan Motor
517
Removing the Suction Air Grille
518
Removing the Electronic Expansion Valve Coil
519
Rpf-(1.5~2.5)Fsn2E
521
Removing the Air Inlet Grille
521
Removing the Air Filter
521
Removing the Discharge Air Grille
521
Removing the Front Panel
521
Removing the Fan Motor
522
Removing the Printed Circuit Board (PCB)
523
Removing the Thermistors for Liquid Pipe and Gas Pipe
523
Rpfi-(1.5~2.5)Fsn2E
524
Removing the Air Filter
524
Removing the Front Panel
524
Removing the Fan Motor
524
KPI - Energy Recovery Ventilation Units
525
Structure and Parts Names
525
Standard Connection System and Central Station
526
Controlled Network System
527
Filter Maintenance
529
Energy Recovery Ventilation Units Element Cleaning
530
Energy Recovery Ventilation Units Fan Units and Connectors
531
Cleaning the Indoor Heat Exchanger
532
Required Tools for Cleaning (for All Indoor Units)
532
Cleaning the 4-Way Cassette Indoor Unit
534
Drain Pan
536
Cleaning the 2-Way Cassette Indoor Unit
537
Cleaning the Wall Type Indoor Unit
539
Cleaning the Floor Type Indoor Unit and the Floor Concealed Type Indoor Unit
540
Cleaning the Ceiling Type Indoor Unit
542
Collecting Refrigerant for Replacing Indoor Unit
543
Inverter
546
Specifications of Inverter
546
Inverter Time Chart
548
Protective Function
549
Overload Control
550
AC Chopper
551
Thermistor
553
Operation
554
Electronic Expansion Valve
555
Electronic Expansion Valve for the Outdoor Unit
555
Specifications
555
Electronic Expansion Valve for the Indoor Unit
556
High Pressure Protection Device
557
Noise Filter (NF)
558
Capacitor (CB1, CB2)
559
Reactor (DCL)
559
Auto Louver Mechanism
560
RCI (4-Way Cassette Type)
560
RCD (2-Way Cassette Type)
561
RPC (Ceiling Type)
562
Scroll Compressor
563
Reliable Mechanism for Low Vibrating and Low Sound
563
Principle of Compression
563
Field Work Instruction
565
Checking the Power Source and the Wiring Connection
566
Burnt-Out Compressor Due to an Insufficient Refrigerant Charge
566
Insufficient Cooling Performance When a Long Piping Is Applied
567
Abnormally High Operation Sound (In-The-Ceiling Type Indoor Unit)
567
Alarm Code "31
568
Not Cooling Well Due to Insufficient Installation Space for the Outdoor Unit
568
Guideline for Selecting the Drain Pipe for the Indoor Unit
569
Caution with the Refrigerant Leakage
570
Maximum Permissible Concentration of the HCFC Gas
570
Calculation of the Refrigerant Concentration
570
Countermeasure for the Refrigerant Leakage According to the KHK Standard
570
Maintenance Work
571
Service and Maintenance Record
572
SERVICE and MAINTENANCE Record USING the 7-SEGMENT Display
573
Service and Maintenance Record by Remote Control Switch
574
Pump-Down Method for Replacing the Compressor
575

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Hitachi IVX RAS-5HRNME Manuals

Hitachi IVX RAS-5HRNME Service Manual (578 pages)

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