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RPK-4.0FSN3M
Hitachi RPK-4.0FSN3M Service Manual
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RCI
RCI
M
RCD
RPC
RPI
RPI
M
Ser
vice Manual
INDOOR UNITS SY
STEM FREE SERIES
& Complementary Systems
FSN(H)(2/3/4)(E/M)(i)(-DU)
RPK
RPF
RPF
I
KPI
DX -
Inte
r
fa
ce
2
Table of Contents
Default Chapter
1
Service Manual
1
Table of Contents
5
1 General Information
13
SMGB0077 Rev.0
13
General Information
14
Introduction
14
Environment-Friendly Units
14
Applied Symbols
15
Product Guide
16
Classification of Indoor Unit Models
16
Classification of KPI Models
16
Classification of DX-Interface Models
16
Product Guide: Indoor Units
17
Product Guide: Complementary Systems
21
Accessory Code List
22
2 Unit Installation
25
RCI - 4-Way Cassette
27
Accessories Supplied with the Unit
27
Unit Installation
28
Mounting of Indoor Unit
29
Accessories Supplied with the Air Panel: P-AP160NA1 / P-AP160NAE
31
Air Panel Installation
32
Accessories Supplied with the Air Panel: P-N23NA
36
Air Panel Installation
36
RCIM - 4-Way Cassette (Compact)
40
Accessories Supplied with the Unit
40
Unit Installation
40
Accessories Supplied with the Air Panel: P-N23WAM
43
Air Panel Installation
43
RCD - 2-Way Cassette
48
Accessories Supplied with the Unit
48
Unit Installation
48
Accessories Supplied with the Air Panel: P-N23DWA / P-N46DWA
52
Air Panel Installation
52
RPC - Ceiling
55
Accessories Supplied with the Unit
55
Unit Installation
55
Suspension Bracket Installation
56
Indoor Unit Installation
57
RPI(M) - Ducted Indoor Unit (0.8-6.0)FSN(4)E(-DU)
59
Accessories Supplied with the Unit
59
Unit Installation
59
Air Duct Connection
61
Maintenance of the Suction Air Filter
62
RPI - Ducted Indoor Unit (8-10)FSN3E
64
Accessories Supplied with the Unit
64
Unit Installation
64
Air Duct Connection
66
Maintenance of the Suction Air Filter
66
RPK - FSN(H)3M Wall Mounted
67
Accessories Supplied with the Unit
67
Unit Installation
67
Mounting Bracket Dimensions
72
RPF - Floor Type, RPFI - Floor Concealed Type
74
Accessories Supplied with the Unit
74
Unit Installation
74
Change in the Air Outlet Direction (RPFI Units)
77
RPF: Optional PC-ART Remote Control Location
77
KPI Energy / Heat Recovery Unit and KPI Active Unit
78
Accessories Supplied with the Unit
78
Unit Installation
78
Duct Connection
80
DX-Interface
82
Accesories Supplied with the Unit
82
Unit Installation
82
Mounting Method
83
Thermistor Installation
83
Typical Installation
85
Optional Accessories
86
Outdoor Air Inlet
86
Filters
95
Specifications
98
3 Piping Work and Refrigerant Charge
103
Refrigerant Pipe Selection
104
Copper Pipes, Sizes, Connection and Insulation
105
Copper Pipes and Sizes
105
Pipe Connection
106
Insulation of Multikits And/Or Branches
106
General Instructions on the Installation of Refrigerant Pipes
107
Copper Refrigerant Pipe
108
Three Principles on Work with Refrigerant Pipes
108
General Information on Copper Refrigeration Pipes
108
Diameters of the Copper Refrigeration Pipes
109
Preparing and Cutting Copper Refrigeration Pipes
109
Bending Copper Pipes
111
Brazing Copper Refrigeration Pipes
111
Flared Connection Mounting
112
Refrigerant Pipe Insulation
113
Refrigerant Pipe Suspension
113
Refrigerant and Drain Hose Installation
114
RCI - 4-Way Cassette (1.0-6.0)FSN3
114
Drain Pipe Installation
115
RCI - 4-Way Cassette (1.0-6.0)Fsn3Ei
116
RCIM-4-Way Cassette (Compact) (0.8-2.0)FSN2
118
RCD - 2-Way Cassette (1.0-5.0)FSN2
119
RPC - Ceiling Type (2.0-6.0)FSN2E
120
RPI - Ducted Indoor Unit (0.8-1.5)FSN4E
125
RPI - Ducted Indoor Unit (2.0-6.0)FSN4E
126
RPI- Ducted Indoor Unit (8.0/10.0)FSN3E
128
RPIM - Ducted Indoor Unit (0.8-1.5)FSN4E(-DU)
130
RPK - Wall Type (0.8-4.0)FSN(H)3M
132
RPF(I)-Floor Type (1.0-2.5)FSN2E
136
Refrigerant Charge
137
Precautions in the Event of Refrigerant Leaks
138
Maximum Permissible Concentration of Hydrofluorocarbon (HFC)
138
Calculation of the Concentration of Refrigerant
138
Countermeasures in the Event of Refrigerant Leaks
138
4 Electrical Wiring
139
Unit Electrical Wiring and Connection
140
Wiring and Main Switch Selection
140
Electrical Connection of RCI Units
141
Electrical Connection of RCIM Units
144
Test Run
144
Electrical Connection of RCD Units
146
Electrical Connection of RPC Units
149
Electrical Connection of RPI Units
151
Electrical Connection of RPIM Units
154
Electrical Connection of RPK Units
157
Electrical Connection of RPF(I) Units
160
Electrical Connection of KPI Units
162
DX-Interface Electrical Wiring
163
Network System Connection (CS-NET WEB)
167
Connection between Units H-LINK and H-LINK II
168
Setting of DIP Switches and RSW Switches
169
Location of DIP Switches and RSW Switches
170
Functions of the DIP Switches and RSW Switches
172
Wiring Diagrams for Indoor Units and Complementary Systems
179
Wiring Diagrams for Indoor Units
179
Wiring Diagrams for Complementary Systems
190
5 Control System
193
Device Control System
194
Printed Circuit Boards for RCI-FSN3 Indoor Units
196
Printed Circuit Boards for RCI-(1.0-6.0)Fsn3Ei
197
Printed Circuit Boards for RCIM-FSN2 Indoor Units
198
Printed Circuit Boards for RCD Indoor Units
200
Printed Circuit Board for RPC, RPF(I), Units
201
Printed Circuit Board for RPI(M)-(0.8-6.0)FSN4E
203
Printed Circuit Board for RPI-(8.0/10.0) FSN3E Units
204
Printed Circuit Board for RPK-FSN(H)3M Units
206
Printed Circuit Board for KPI Complementary Systems
209
Printed Circuit Board for DX-Interface Complementary Systems
210
Safety Protection and Control
213
Standard Control Functions
214
Freeze Protection During the Cooling or Dehumidification Process
214
Indoor Electronic Expansion Valve Control
215
Activation of the Control with Protection Device
216
Automatic Cooling/Heating Operation Control
217
Preventive High-Pressure Increase Control
217
6 Optional Functions
219
Indoor Units
220
Available Ports
220
Optional Signal Configuration
222
Programming with Remote Control (PC-ART Example)
225
Description of Optional Input Signals
226
Description of Optional Output Signals
229
Complementary Systems
231
Kpi
231
DX-Interface
232
Remote Controls
235
Optional Remote Control Functions (PC-ART Example)
235
List of Optional Remote Control Functions
236
Description of the Optional Remote Control Functions
244
Optional Functions for PC-ARH Remote Controls
252
Optional Functions on Wireless Remote Controls
254
7 Test Run
255
Checks Prior to the Test Run
256
Check Points
256
Check Procedure
256
Test Procedure Using the Remote Control
258
PC-ART Remote Control
258
PC-ARF Remote Control
259
Test Procedure Using the Wireless Remote Control
262
PC-LH3A / PC-LH3B Wireless Remote Control
262
Test Run Check List
263
8 Troubleshooting
265
Self-Check of the Indoor Unit PCB (for RPK Only) - Preliminary Information
266
Electronic Expansion Valve Check Procedure
267
Procedure for Checking Fan Motors in Indoor Units
268
Inspection of Other Components
271
Outdoor and Indoor Alarm Codes
272
DX-Interface EXV-(2.0-10.0)E1 or KPI-(E/H/X)3E Alarm Codes
274
9 Spare Parts
275
Rci-(1.0-6.0)Fsn3
276
RCI-(1.0-1.6)Fsn3Ei
278
Rcim-(0.8-2.0)Fsn2
280
Rcd-(1.0-3.0)Fsn2
282
Rcd-(4.0/5.0)Fsn2
284
Rpc-(2.0-6.0)Fsn2E
286
Rpi-(0.8-1.5)Fsn4E
288
Rpi-(2.0-3.0)Fsn4E
290
Rpi-(4.0-6.0)Fsn4E
292
Rpi-(8.0/10.0)Fsn3E
294
Rpim-(0.8-1.5)Fsn4E(-Du)
296
Rpk-(0.8/1.0)Fsn(H)3M
298
Rpk-1.5Fsn(H)3M
300
Rpk-(2.0-4.0)Fsn3M
302
Rpf-(1.0-2.5)Fsn2E
304
Rpfi-(1.0-2.5)Fsn2E
306
KPI-(252-2002)(E/H)3E and KPI-(502-1002)X3E
308
DX-Interface
310
10 Servicing
313
RCI - 4-Way Cassette (1.0-6.0)FSN3
316
Removing Air Filter and Air Inlet Grille
316
Removing Electrical Box Cover
317
Removing Optional Air Panel
318
Removing Turbo Fan and Fan Motor
319
Removing Printed Circuit Board (PCB1)
320
Removing Drain Pan
321
Removing Antibacterial Agent
321
Removing Drain-Up Mechanism
322
Removing Float Switch
323
Removing Thermistors for Liquid Pipe and Gas Pipe
324
Removing Electronic Expansion Valve Coil
325
Removing Auto Louver Motors
326
Removing Louver
327
RCI - 4-Way Cassette (1.0-6.0)Fsn3Ei
328
Removal of the Long-Lasting Air Filter
328
Removal of the Air Inlet Grille
328
Removal of the Electrical Box Cover
329
Removal of the Optional Air Panel
330
Removal of the Fan Duct and Motor
331
Bellmouth Removal
331
Removal of the Printed Circuit Board (PCB)
332
Removal of the Drain Pan
333
Removal of the Drain Mechanism
333
Removal of the Float Switch
334
Removal of the Thermistors from the Liquid and Gas Pipes
334
Removal of the Electronic Expansion Valve Coil
335
Removal of the Automatic Louver Motor
336
RCIM - 4-Way Cassette (0.8-2.0)FSN2 (Compact)
337
Removal of the Air Filter
337
Removal of the Air Inlet Grille
337
Removal of the Electrical Box Cover
337
Removal of the Optional Air Panel
338
Removal of the Electrical Box
339
Removal of the Fan Duct and the Fan
340
Removal of the Printed Circuit Board (PCB)
340
Removal of the Drain Pan
341
Removal of the Drain Mechanism
341
Removal of the Float Switch
343
Removal of the Thermistors from the Liquid and Gas Pipes
343
Removal of the Electronic Expansion Valve Coil
344
Removal of the Automatic Louver Motor
346
RCD - 2-Way Cassette
347
Removal of the Long-Lasting Filter and the Air Inlet Grille
347
Removal of the Electrical Box
347
Removal of the Optional Air Panel
347
Removal of the Fan Duct and the Fan
348
Removal of the Printed Circuit Board (PCB)
349
Removal of the Float Switch
349
Removal of the Drain Mechanism
350
Removal of the Drain Pan
350
Removal of the Thermistors from the Liquid and Gas Pipes
351
Removal of the Electronic Expansion Valve Coil
352
Removal of the Automatic Louver Motor
353
RPC - Ceiling
354
Removal of the Air Filter
354
Removal of the Side Panel
354
Removal of the Air Outlet Grille
355
Removal of the Fan Motor
355
Removal of the Fan Shaft Support
356
Removal of the Coupling
357
Removal of the Automatic Louver Motor
357
Removal of the Thermistors from the Liquid and Gas Pipes
357
Removal of the Printed Circuit Board (PCB)
358
Rpi-(0.8-6.0)Fsn4E
360
Removal of the Electrical Box
360
Removal of the Inlet and Outlet Air Thermistors
361
Removal of the Thermistors from the Liquid and Gas Pipes
362
Removal of the Fan Parts
362
Removal of the Drain Mechanism
363
Removal of the Float Switch
364
Removal of the Air Filter
364
RPI-(8.0-10.0)FSN3E - Ducted Indoor Unit
365
Removal of the Electrical Box Cover
365
Removal of Electrical Components
365
Removal of the Inlet and Outlet Air Thermistors
365
Removal of the Thermistors from the Liquid and Gas Pipes
367
Removal of the Drain Pan
367
Fan Removal
368
Removal of the Float Switch
369
Removal of the Air Filter
369
RPIM - Ducted Indoor Unit
370
Removal of the Electrical Box
370
Removal of the Inlet and Outlet Air Thermistors
371
Outlet Air Thermistor
372
Removal of the Fan Parts
373
Removal of the Float Switch
374
Removal of the Air Filter
375
RPK - FSN(H)3M Wall Mounted
376
Removal of the Air Filter
376
Removal of the Front Panel
376
Electrical Box Structure
380
Remove the Electrical Box Cover
381
Remove the Switch Cover
381
Replacing PCB1 for Control
382
Removing Electrical Box
384
Removing as Motor
386
Removing Drain Pan
387
Removing Heat Exchanger
389
Removing Thermistors for Freeze Protection, Gas Pipe, Outlet Air and Inlet Air
392
Removing Fan and Fan Motor
396
Removing Electronic Expansion Valve Coi
397
Removing Horizontal Louver
399
Rpf(I)- (1.0-2.5)
401
Removal of the Air Inlet Grille
401
Removal of the Air Filter
401
Removal of the Air Outlet Grille
402
Removal of the Front Panel
402
Removal of the Fan Motor
402
Removal of the Printed Circuit Board (PCB)
403
Removal of the Thermistors from the Liquid and Gas Piping
404
Kpi
405
System Description
405
Structure and Part Names
405
DX-Interface
406
Structure and Part Names
406
Removal of the Electrical Components
406
11 Electrical Checks of the Main Parts
407
Thermistor
408
Electronic Expansion Valve
409
Automatic Louver Mechanism
410
RCI(M) Indoor Units
410
RCD Indoor Units
411
RPC Indoor Units
411
12 Maintenance Notes
413
Regular Equipment Maintenance
414
Necessary Tools, Equipment and Consumable for Regular Maintenance
414
Indoor Cleaning
416
Cleaning of KPI Units
425
Collection of Refrigerant to Replace the Indoor Unit
428
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Hitachi RPK-4.0FSN3M Specifications
General
Cooling Capacity
4.0 kW
Power Source
Electric
Power Supply
220-240V, 50Hz
Refrigerant
R32
Outdoor Unit Weight
35 kg
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