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Hitachi
Air Conditioner
P-N23NA2
Hitachi P-N23NA2 Service Manual
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9 Servicing
RPK-FSN(H)3M - W
all mounted
SMGB0099 rev
.0 - 12/2016
3
11
9
9.9.3
Electrical Bo
x Structur
e
The electrical box for a wall type indoor unit is composed of the following components.
Electrical box
T
erminal board cover
DIP switch PCB
(PCB2)
Indoor unit PCB
(PCB1)
T
erminal board
Switch cover
Receiver cover
PCB for receiver
(with indicator)
Electrical box cover
0.8HP and 1.5HP
Electrical box
T
erminal board cover
DIP switch PCB
(PCB2)
Indoor unit PCB
(PCB1)
T
erminal board
Switch cover
PCB for receiver
Electrical box cover
2.0HP to 4.0HP
324
326
Table of Contents
Default Chapter
1
Service Manual
1
Table of Contents
5
1 General Information
15
General Information
16
Introduction
16
Applied Symbols
17
Product Classification and Line-Up
18
Classification Of Indoor Unit Models
18
Classification Of Kpi Models
18
Classification Of DX-Interface Models
18
Classification Of Econofresh Models
18
Product Line-Up: Indoor Units
19
Product Line-Up: Kpi Energy Recovery Unit
23
Product Line-Up: DX-Interface
23
Product Line-Up: Econofresh
23
Accessory Code List
24
Multi-Kits
25
Individual Remote Controls
26
Receiver Kit For Combination With Wireless Remote Control Switch
26
Centralised Remote Controls
27
Building Air Conditioning Controls
27
Gateways For Building Management Systems (Bms)
28
Control Support Devices
28
Control Accessories
29
Other Devices Compatible With Hitachi Air Conditioning Systems
29
2 Unit Installation
31
RCI - 4-Way Cassette
33
Accessories Supplied With The Unit
33
Unit Installation
34
Mounting of Indoor Unit
35
Air Panel Installation: P-N23NA2
36
Accessories Supplied With The Air Panel P-N23NA2
40
RCIM - 4-Way Cassette (Compact)
41
Accessories Supplied With The Unit
41
Unit Installation
42
Accessories Supplied With The Air Panel: P-AP56NAM
44
Air Panel Installation
45
RCD - 2-Way Cassette
49
Accessories Supplied With The Unit
49
Unit Installation
50
Accessories Supplied With The Air Panel: P-N23DWA / P-N46DWA
53
Air Panel Installation
53
RPC - Ceiling
55
Accessories Supplied With The Unit Rpc-FSN3
55
Unit Installation
56
Suspension Bracket Installation Rpc-FSN3E
56
Suspension For Fsn3 Units
57
Indoor Unit Installation
59
RPI(M) - Ducted Indoor Unit (0.6-6.0)FSN4E(-DU)
62
Accessories Supplied With The Unit
62
Unit Installation
62
Air Duct Connection
64
Maintenance Of The Suction Air Filter
65
RPI - Ducted Indoor Unit (8/10)FSN3E(-F)
67
Accessories Supplied With The Unit
67
Unit Installation
67
Air Duct Connection
69
Maintenance Of The Suction Air Filter
69
RPI - Ducted Indoor Unit (16/20)FSN3PE(-F)
70
Unit Installation
70
RPK - FSN(H)3M Wall Mounted
72
Accessories Supplied With The Unit
72
Unit Installation
72
Mounting Bracket Dimensions
76
RPF - Floor Type, RPFI - Floor Concealed Type
78
Accessories Supplied With The Unit
78
Unit Installation
78
Change In The Air Outlet Direction (Rpfi Units)
80
Rpf: Optional Pc-Arfpe Remote Control Location
80
Kpi Energy And Kpi Active Unit
81
Accessories Supplied With The Unit
81
Unit Installation
81
Duct Connection
84
Econofresh Kit
86
Accessories Supplied With The Unit
86
Unit Installation
86
Mounting The Unit
87
Example Of Installation
88
DX-Interface
89
Accessories Supplied With The Unit
89
Unit Installation
89
Mounting Method
90
Thermistor Installation
91
Typical Installation
92
Optional Accessories
93
Outdoor Air Inlet
93
For Rci-Fsn4 Indoor Units: Oaci-160K2 And Pd-75A
95
Service Space
96
Duct Adapters
97
For Rcim-Fsn4(E) Indoor Units: Pd-75C
97
For Rcd-Fsn3 Indoor Units: Pd-150D
97
T-Duct Connection Position
98
For Rci-Fsn4 Indoor Units: Tkci-160K
98
Branch Pipe (Pdf-71C, PDF-160CI)
99
Outlet Air Flow Interlock
101
For Rci-Fsn4 Indoor Units: Pi-160SL1
101
Filter Box
103
For Rci-Fsn4 Indoor Units: B-160H2
103
For Rcd-Fsn3E Indoor Units: Bd-90H And BD-160HD
104
Anti-Bacteria Filter
105
For Rci-FSN4: F-160L-K
105
For RCD-FSN3E Indoor Units: F-90MD-K1 and F-160MD-K1 (Antibacterial Long Life Air Filter)
106
Deodorising Filter
106
For Rci-Fsn4 Indoor Units: F-71L-D1 And F-160L-D1
106
Specifications
107
3 Piping Work and Refrigerant Charge
109
Refrigerant Pipe Selection
110
Copper Pipes, Sizes, Connection and Insulation
111
Copper Pipes And Sizes
111
Pipe Connection
112
Insulation Of Multikits And/Or Branches
112
General Instructions on the Installation of Refrigerant Pipes
113
Copper Refrigerant Pipe
114
Three Principles On Work With Refrigerant Pipes
114
Preparing And Cutting Copper Refrigeration Pipes
115
Bending Copper Pipes
116
Brazing Copper Refrigeration Pipes
117
Flared Connection Mounting
118
Refrigerant Pipe Suspension
119
Refrigerant and Drain Hose Installation
120
RCI-(1.0-6.0)FSN4 - 4-Way Cassette
120
RCIM-(0.6-2.5)FSN4(E) - 4-Way Cassette (Compact)
122
RCD-(0.8-6.0)FSN3 - 2-Way Cassette
123
RPC-(3.0-6.0)FSN3E - Ceiling Type
124
RPC-(1.5-6.0)FSN3E - Ceiling Type
126
RPI-(0.6-1.5)FSN4E - Ducted Indoor Unit
130
RPI-(2.0-6.0)FSN4E - Ducted Indoor Unit
132
RPI-(8.0/10.0)FSN3E-(F) - Ducted Indoor Unit
134
RPI-(16.0/20.0)FSN3PE(-F) - Ducted Indoor Unit
135
RPIM-(0.6-1.5)FSN4E(-DU) - Ducted Indoor Unit
137
RPK-(0.6-4.0)FSN(H)3M - Wall Type
139
RPF(I)-(1.0-2.5)FSN2E - Floor Type
142
Refrigerant Charge
143
4 Electrical and Control Settings
145
Unit Electrical Wiring and Connection
146
Minimum Requirements of the Protection Devices
147
Transmission Wiring between Outdoor and Indoor Unit
148
Electrical Connection of RCIM Units
150
Electrical Connection of RCD Units
152
Electrical Connection of RPC Units
154
Electrical Connection of RPI Units
155
Electrical Connection of RPIM Units
159
Electrical Connection of RPK Units
161
Electrical Connection of KPI Units
166
Econofresh Electrical Wiring Connection
167
DX-Interface Electrical Wiring
168
Network System Connection (CS-NET WEB)
171
Setting of DIP Switches and RSW Switches
172
Location of DIP Switches and RSW Switches
173
Functions of the DIP Switches and RSW Switches (Indoor Units)
175
Functions of the DIP Switches and RSW Switches (KPI Units)
178
Functions of the DIP Switches and RSW Switches (Econofresh Kit)
180
Wiring Diagrams for Indoor Units and Complementary Systems
183
Wiring Diagrams for Complementary Systems
196
5 Control System
199
Printed Circuit Boards for RCI-FSN4 Indoor Units
200
Printed Circuit Boards for RCIM-FSN4(E) Indoor Units
201
Printed Circuit Boards for RCD-FSN3 Indoor Units
202
Printed Circuit Board for RPC-FSN3E, RPF(I), Units
203
Printed Circuit Board for RPC-FSN3
204
Printed Circuit Board for RPI(M)-(0.6-6.0)FSN4E
205
Printed Circuit Board for RPI-(8.0-20.0)FSN3(P)E(-F) Units
206
Printed Circuit Board for RPK-FSN(H)3M Units
207
For RPK-(2.0-4.0)FSN3M
208
Printed Circuit Board for Complementary Systems
209
Printed Circuit Board for DX-Interface
210
Safety Protection and Control
211
Indoor Electronic Expansion Valve Control
212
6 Optional Functions
213
Indoor Units Input and Output Signals
214
Optional Signal Configuration
216
Programming with Remote Controller
218
Description of Optional Output Signals
222
Optional Functions through Remote Control
223
Description of the Optional Remote Control Functions (PC-ARFPE)
231
Optional Functions for PC-ARH Remote Controls
239
Settings on Wireless Remote Controls
240
Complementary Systems
241
DX-Interface
242
Econofresh Kit
244
7 Commissioning
247
Checks Prior to the Test Run
248
PC-ARFPE Remote Control
249
Test Procedure Using the Wireless Remote Control
251
Test Run Check List
252
8 Electrical Check of Main Parts
253
Thermistor
254
Automatic Louver Mechanism
255
RCIM Indoor Units
256
RCD Indoor Units
257
RPC-FSN3E Indoor Units
258
9 Servicing
259
RCI-(1.0-6.0)FSN4 - 4-Way Cassette
262
Removing Optional Air Panel
263
Removing Turbo Fan and Fan Motor
264
Removing Printed Circuit Board (PCB1)
265
Removing Drain Pan
266
Removing Drain-Up Mechanism
267
Removing Float Switch
268
Removing Thermistors for Liquid Pipe and Gas Pipe
269
Removing Electronic Expansion Valve Coil
270
Removing Auto Louver Motors
271
Removing Louver
272
RCIM-(0.6-2.5)FSN4(E) - 4-Way Cassette (Compact)
273
Removal of the Optional Air Panel
274
Removal of the Fan Runner and the Fan Motor
275
Removal of the Printed Circuit Board (PCB)
276
Removal of the Drain Pan
277
Removal of the Drain Mechanism
278
Removal of the Thermistors from the Liquid and Gas Pipes
279
Removal of the Inlet Air Thermistor
280
Removal of the Automatic Louver Motor
281
RCD-(0.8-6.0)FSN3 - 2-Way Cassette
282
Removal of the Optional Air Panel
283
Removal of the Printed Circuit Board (PCB)
285
Removal of the Float Switch
286
Removal of the Thermistors from the Liquid and Gas Pipes
287
Removal of the Electronic Expansion Valve Coil
288
Remove the Anti Bacterial Agent Case
289
RPC-(3.0-6.0)FSN3E - Ceiling Type
290
Removal of the Fan Motor
291
Removal of the Fan Shaft Support
292
Removal of the Thermistors from the Liquid and Gas Pipes
293
Removal of the Printed Circuit Board (PCB)
294
RPC-(1.5-6.0)FSN3 - Ceiling Type
295
Removing Louver
296
Removing Bearing (Except for RPC-1.5 and 2.0FSN3)
298
Removing Coupling (Except for RPC-1.5 and 2.0FSN3)
299
Removing Auto Louver Motor
300
Removing Electronic Expansion Valve Coil
301
Removal of the Printed Circuit Board (PCB)
303
RPI-(0.6-6.0)FSN4E - Ducted Indoor Unit
304
Removal of the Inlet and Outlet Air Thermistors
305
Removal of the Thermistors from the Liquid and Gas Pipes
306
Removal of the Drain Mechanism
307
Removal of the Float Switch
308
RPI-(8.0-20.0)FSN3(P)E(-F) - Ducted Indoor Unit
309
Outlet Air Thermistor
310
Removal of the Thermistors from the Liquid and Gas Pipes
311
Fan Removal
312
Removal of the Float Switch
315
Removal of the Air Filter
316
RPIM-(0.6-1.5)FSN4E - Ducted Indoor Unit
317
Outlet Air Thermistor
318
Removal of the Fan Parts
319
Removal of the Float Switch
320
RPK-FSN(H)3M - Wall Mounted
321
Electrical Box Structure
325
Remove the Electrical Box Cover
326
Replacing PCB1 for Control
327
Removing Electrical Box
329
Removing as Motor
331
Removing Heat Exchanger
334
Removing Thermistors for Freeze Protection, Gas Pipe, Outlet Air and Inlet Air
337
Removing Fan and Fan Motor
341
Removing Electronic Expansion Valve Coil
343
Removing Horizontal Louver
345
RPF(I)-(1.0-2.5)FSN2E - Floor and Floor Concealed Type
346
Removal of the Front Panel
347
Removal of the Printed Circuit Board (PCB)
348
K PI-(252-2002)(E/X)4E - Energy Recovery and Active Energy Recovery Ventilation Units
349
Removal of Heat Exchanger
350
Removal of the Float Switch (X4E Series Only)
351
Removal of the Damper Motor
352
Removal of the Electrical Box
353
Removal of the Fan Motor
354
Removal of the DX-Coil Module (X4E Series Only)
355
DX-Interface
356
10 Troubleshooting
357
Electronic Expansion Valve Check Procedure
358
Inspection of Other Components
360
Outdoor and Indoor Alarm Codes
361
DX-Interface EXV-(2.0-10.0)E2 or KPI-(E/X)4E Alarm Codes
363
11 Maintenance Notes
365
Regular Equipment Maintenance
366
Indoor Cleaning
367
Cleaning the Built-In 2-Way Indoor Unit (RCD)
370
Cleaning of the Wall-Type Indoor Unit (RPK)
372
Cleaning the Floor Console and Floor Concealed Console Indoor Unit RPF(I)
373
Cleaning of the Ceiling-Type Indoor Unit (RPC)
374
Cleaning of KPI Units
377
Econofresh Kit
379
Cleaning Agents for Heat Exchanger
380
Other manuals for Hitachi P-N23NA2
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Installation And Operation Manual
340 pages
5
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Hitachi P-N23NA2 Specifications
General
Brand
Hitachi
Model
P-N23NA2
Category
Air Conditioner
Language
English
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