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RAS-H(V)RNME-AF
Hitachi RAS-H(V)RNME-AF System Manuals
Manuals and User Guides for Hitachi RAS-H(V)RNME-AF System. We have
2
Hitachi RAS-H(V)RNME-AF System manuals available for free PDF download: Service Manual, Technical Catalogue
Hitachi RAS-H(V)RNME-AF Service Manual (424 pages)
Yutaki S Series
Brand:
Hitachi
| Category:
Air Conditioner
| Size: 34.38 MB
Table of Contents
Service Manual
1
Table of Contents
5
1 General Information
11
General Information
12
General Notes
12
Introduction
12
Contents
13
Environtment-Friendly Units
13
Applied Symbols
14
Product Guide
15
Classification of Indoor Unit Models
15
Classification of Outdoor Unit Models
15
Classification of Domestic Hot Water Tank Accessory
16
Product Guide: Indoor Unit
16
Product Guide: Outdoor Unit
17
Accessory Code List
17
SMGB0070 Rev. 1
18
2 Unit Installation
21
SMGB0070 Rev. 1
21
Outdoor Unit Installation
22
Initial Check
22
Transportation of Outdoor Unit
23
Center of Gravity
24
Factory-Supplied Accessories for RAS-(8-10)HRNME-AF
25
Installation Space
26
Installation Place Provision
36
Optional Parts and Installation
39
Specifications
41
Indoor Unit Installation
58
Selection of the Installation Location
58
Wall Mounting Procedure
59
Cover Assembly
60
Drain Pan Assembly
61
Service Space
61
DHWT - Domestic Hot Water Tank
62
Name of Parts
62
Unit Installation
63
Selection Procedure for DHWT Units
63
Working Space
63
3 Piping Work and Refrigerant Charge
65
Refrigerant and Water Pipe Work
66
General Notes before Performing Pipe Work
66
Suspension of Refrigerant and Water Pipes
66
Pipe Work and Connection
67
Refrigerant Piping Length
71
Refrigerant Pipe Connections
74
Brazing Work
76
Water Pipe Work and Connection
77
General Notes
77
Water Piping Connection
78
Draining Pipe Work
79
Circuit Water Filling-In
79
Water Flow Adjustment
79
Pressure Charts
81
DHWT - Domestic Hot Water Tank
83
Hydraulic Circuit
83
Pressure Drop
84
4 Electrical Wiring
85
Unit Electrical Wiring and Connection
86
General Check
86
Electrical Connection of Outdoor Unit
87
Electrical Connection of Indoor Unit
89
Control System
91
Setting of DIP Switches and RSW Switches
97
Outdoor Unit
97
Optional Functions 7
98
Indoor Unit
100
Common Wiring
107
Electrical Wiring between Outdoor and Indoor Unit
107
Wire Sizes
108
DHWT - Domestic Hot Water Tank
109
Electrical Wiring Connection
110
Internal Wiring
112
Electric Heater
114
Electrical Wiring Diagrams
116
Electrical Wiring Diagram for Indoor Unit
116
Electrical Wiring Diagram for Outdoor Unit
118
5 Control System
123
Device Control System
124
Printed Circuit Board
125
Indoor Unit
125
Outdoor Unit
126
Safety Protection and Control Device
128
Indoor Unit
128
Outdoor Unit
128
Standard Control Functions
129
Indoor Unit
129
Installation Information
171
6 LCD User's Interface
189
Description of the Hardware
190
Button Definitions
190
Comprehensive View
190
Description of the Icons
192
Controller Configuration
194
Unit Configuration
195
Operation Display
195
Space Heating Configuration
196
Space Cooling Configuration
198
Dhw
200
Optional Functions
202
Installer Access
203
Unit Configuration
204
System Configuration
206
Water Pump
208
7 Optional Functions
211
Indoor Unit
212
Floor Screed Drying Function (Circuits 1 & 2)
212
Automatic Summer Switch-Off
213
Pump and Valve Seizure Protection
214
DHW Anti-Legionella Protection Function
214
Tariff Input (Electrical Tariff Input)
215
Electrical Heater or Boiler Emergency Mode
216
Step Heater for 3-Phase Imbalance Option
217
Hydraulic Separator Combination
217
Secondary Outdoor Sensor Accessory
217
Indoor External Output Signals
218
Outdoor Units
219
Available Ports
219
Configuration
221
Description of Optional Output Signals
223
8 Commissioning
225
Preliminary Check
226
Checking the Unit
226
Electrical Checking
226
Hydraulic Circuit Checking
226
Checking the Refrigerant Circuit
227
Commissioning Procedure
227
Indoor Unit Test Run
228
Outdoor Unit Test Run
229
9 Electrical Checks of the Main Parts
231
Inverter
232
Specifications of Inverter
232
Inverter Time Chart
234
Protective Function
235
Overload Control
236
Thermistor
237
Electronic Expansion Valve
240
Electronic Expansion Valve for the Outdoor Unit
240
Electronic Expansion Valve for the Indoor Unit
241
High Pressure Protection Device
242
Noise Filter (NF)
243
Noise Filter for 1
243
Noise Filter for 3N
244
Capacitor (CB1, CB2)
244
Reactor (DCL)
245
Reactor (DCL) for 1
245
Reactor (DCL) for 3N
245
Scroll Compressor
246
10 Spare Parts
247
Outdoor Units
248
Ras-2Hvrn2
248
Ras-3Hvrnme-Af
250
Electrical Parts
251
Ras-(4-6)Hvrnme-Af
253
Ras-(4-6)Hrnme-Af
256
Ras-(8/10)Hrnme-Af
259
Indoor Units
262
11 Servicing
267
Outdoor Unit
268
Ras-2Hvrn2
268
Removing the Compressor
270
Removing Electronic Expansion Valve Coil
272
Troubleshooting
273
Ras-3Hvrnme-Af
275
Removing Reversing Valve
282
Removing Electrical Components
284
Ras-(4-6)H(V)Rnme-Af
286
Ras-(8/10)Hrnme-Af
302
Pressure Switch
308
Indoor Unit
318
Removing Service Cover
318
Replacing Electrical Components
319
Replacing Hydraulic Components
324
Replacing Refrigerant Parts
332
12 Troubleshooting
337
Troubleshooting Procedure
338
Alarm Code
338
Troubleshooting by Alarm Code
341
Contents
397
Troubleshooting in Check Mode
408
Troubleshooting Using the 7 Segment Display (Outdoor Unit)
409
Procedure of Checking Other Main Parts
415
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Hitachi RAS-H(V)RNME-AF Technical Catalogue (166 pages)
YUTAKI S SERIES
Brand:
Hitachi
| Category:
Air Conditioner
| Size: 11.91 MB
Table of Contents
Table of Contents
5
1 General Information
11
General Information
12
General Notes
12
Introduction
12
Environment-Friendly Units
13
Environtment-Friendly Units
13
Applied Symbols
14
Product Guide
15
Classification of Indoor Unit Models
15
Classification of Outdoor Unit Models
15
Classification of Domestic Hot Water Tank Accessory
15
Product Guide: Indoor Unit
16
Product Guide: Outdoor Unit
17
Accessory Code List
17
2 Features and Benefits
21
Selection Benefits
22
Environment-Friendly System
22
Expanded Selection Range
23
Adaptability to the Customer's/System Needs
24
Installation Benefits
25
Easy Unit Installation
25
Easy and Flexible Electrical Installation
28
Start-Up Benefits
29
Start-Up by Pressing the Run/Stop Button of LCD User's Interface
29
Floor Screed Drying (Circuits 1 & 2) (Optional Function)
29
Test Run Operation from LCD User's Interface
29
Functionality Benefits
30
High Efficiency System
30
Wide Capacity Range
30
Expanded Working Range
31
Refrigerant Cycle
32
Advanced Technology
32
Outdoor Unit Heat Exchanger
33
Main Features
36
Electric Heater
40
Control Features
44
Flexible Space Heating/Cooling Configuration and Control
44
Flexible Domestic Hot Water (DHW) Control
48
Swimming Pool Combination Control
50
Flexible Water Pumps Control
50
Other Optional Functions
50
Maintenance Benefits
51
Complete Operation Display by LCD User's Interface
51
Front Access to the Electrical Box
51
Electrical Box Turns on Itself
52
Shutdown Valves
52
Alarm Hystorical Data
53
3 General Data
55
YUTAKI S System
56
Indoor Unit
57
Outdoor Unit
59
Ras-(2-6)(Hvrn2/Hvrnme-Af)
59
Ras-(4-10)Hrnme-Af
60
Domestic Hot Water Tank
61
Component Data
62
Indoor Unit
62
Outdoor Unit
63
Electrical Data
65
Considerations
65
Indoor Unit
65
Outdoor Unit
65
Domestic Hot Water Tank
66
4 Capacity and Selection Data
67
System Selection Procedure
68
Selection Parameters
68
Selection Procedure
68
Maximum Capacity Tables
77
Maximum Heating Capacity (Kw)
77
Maximum Cooling Capacity (Kw)
79
Heating Nominal Points of Interest
80
Correction Factors
81
Defrost Correction Factor
81
Piping Length Correction Factor
81
5 Acoustic Characteristic Curves
85
Overall Sound Level
86
Outdoor Unit
87
Indoor Unit
89
6 Working Range
91
Temperature Range
92
Heating Mode
92
Cooling Mode
93
7 General Dimensions
95
Dimensions
96
Indoor Unit
96
Outdoor Unit
98
Domestic Hot Water Tank
102
Service Space
104
Indoor Unit
104
Outdoor Unit
104
8 Refrigerant Cycle
105
RAS-2HVRN2 + RWM-2.0(H)FSN3E Combination
106
RAS-3HVRNME-AF + RWM-3.0(H)FSN3E Combination
107
RAS-(4-6)H(V)RNME-AF + RWM-(4.0-6.0)(H)FSN3E Combination
108
RAS-(8/10)HRNME-AF + RWM-(8.0/10.0)(H)FSN3E Combination
109
9 Piping Work and Refrigerant Charge
111
Refrigerant Piping
112
Refrigerant Piping Length
112
Refrigerant Piping Size
112
Copper Pipes, Measurements and Connection
113
Copper Pipes and Measurements
113
Pipe Connection
114
Refrigerant Charge Amount
114
Precautions in the Event of Gas Refrigerant Leaks
115
Maximum Permitted Concentration of Hfcs
115
Calculation of Refrigerant Concentration
115
Countermeasure in the Event of Refrigerant Leakage
116
Refrigerant Pipe Work
117
General Notes before Performing Pipe Work
117
Suspension of Refrigerant and Water Pipes
117
Pipe Work and Connection
118
Brazing Work Considerations
120
Refrigerant Piping Work Considerations
120
Water Pipe Work and Connection
120
General Notes
120
Optional Functions
120
Water Piping Connection
121
Draining Pipe Work
122
Circuit Water Filling-In
122
Water Flow Adjustment
122
Pressure Charts
124
DHWT - Domestic Hot Water Tank
126
Hydraulic Circuit
126
Pressure Drop
127
General Standard for Hydraulic Installation
127
10 Electrical Wiring
129
Power Supply
130
General Check
130
Electrical Connection of Outdoor Unit
131
Electrical Connection of Outdoor Unit
133
Setting of DIP Switches and RSW Switches
135
Outdoor Unit
135
Indoor Unit
138
Common Wiring
143
Electrical Wiring between Outdoor and Indoor Unit
143
Wire Sizes
144
Domestic Hot Water Tank
145
Electrical Wiring Connection
145
Wire Size
145
11 Installation Configuration
147
Heating System Configurations
148
System Configuration
148
Typical Installation Samples
149
Cooling System Configurations
154
Additional Combinations
157
Swimming Pool
157
Solar Panel
157
12 Optional Functions
159
Optional Functions of the Indoor Unit
160
13 Troubleshooting
161
On Screen During Abnormal Operation
162
Alarm Codes
162
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