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7E300120
Hitachi 7E300120 Manuals
Manuals and User Guides for Hitachi 7E300120. We have
1
Hitachi 7E300120 manual available for free PDF download: Technical Catalogue
Hitachi 7E300120 Technical Catalogue (158 pages)
Brand:
Hitachi
| Category:
Air Conditioner
| Size: 14.71 MB
Table of Contents
Contents
3
Table of Contents
5
General Information
9
General Information
10
General Notes
10
Introduction
10
Environment-Friendly Units
11
Applied Symbols
12
Product Guide
13
Model's Classification
15
Accessory Code List
16
Features and Benefits
19
Main Features
20
Selection Benefits
21
Environment-Friendly System
21
Water Outlet Temperature up to 80 ºC
22
SMART Cascade Cycle
23
High Efficiency System
25
Wide Capacity Range
25
Nominal Heating Capacity Stable at Low Outdoor Ambient Temperatures
26
Adaptability to the Customer's/System Needs
26
Wide Range of Accessories
26
Advanced Technology
27
Installation Benefits
37
Different Possibles Installation Types
37
Easy Unit Installation
38
Easy and Flexible Electrical Installation
39
Start-Up Benefits
40
Start-Up by Pressing the Run/Stop Button of LCD User's Interface
40
Floor Screed Drying (Circuits 1 & 2) (Optional Function)
40
Test Run Operation from LCD User's Interface
40
Control Features
41
Easy to Use - New LCD User's Interface (PC-S80TE)
41
Control Features
43
Flexible Space Heating Configuration and Control
43
Flexible Domestic Hot Water (DHW) Control
47
Swimming Pool Combination Control
49
Flexible Water Pumps Control
49
Other Optional Functions
49
Maintenance Benefits
51
Complete Operation Display by LCD User's Interface
51
Front Access to the Electrical Box
51
Easy Servicing
52
High Accessibility to the Water Pressure Ports
52
Alarm Hystorical Data
53
3 General Data
55
YUTAKI S80 System
56
Outdoor Unit
57
Ras-(4-6)Hvrnme-Af
57
Ras-(4-6)Hrnme-Af
58
Indoor Unit
59
Rwh-(4.0-6.0)Fsvnfe
59
Rwh-(4.0-6.0)Fsnfe
60
Domestic Hot Water Tank
61
Component Data
62
Outdoor Unit
62
Indoor Unit
64
Electrical Data
65
Considerations
65
Outdoor Unit
65
Indoor Unit
65
Domestic Hot Water Tank - Electrical Heater
66
4 Capacity and Selection Data
67
System Selection Procedure
68
Selection Parameters
68
Selection Procedure
68
Maximum Heating Capacity Tables
76
Correction Factors
77
Defrost Correction Factor
77
Piping Length Correction Factor
77
Acoustic Characteristic Curves
79
Sound Pressure Level for Outdoor Unit
80
Considerations
80
Charts
81
6 Working Range
83
Working Range
84
7 General Dimensions
85
Name of Parts
86
Outdoor Unit
86
Indoor Unit
87
Domestic Hot Water Tank
88
Dimensional Data
89
Outdoor Unit
89
Indoor Unit and Domestic Hot Water Tank (Optional)
89
Service Space
91
Outdoor Unit
91
Indoor Unit and Domestic Hot Water Tank (Optional)
92
8 Refrigerant Cycle and Hydraulic Circuit
95
RAS-(4-6)H(V)RNME-AF + RWH-(4.0-6.0)FS(V)NFE Combination
96
9 R E F R I G E R a N T a N D W a T E R P I P I N G
98
Refrigerant Circuit
98
Refrigerant Piping
98
Piping Connections
99
Refrigerant Charge
100
Precautions in the Event of Gas Refrigerant Leaks
100
Pump down of Refrigerant
102
Refrigerant Check Joints
102
Space Heating Hydraulic Circuit
103
Hydraulic Circuit
103
Water Piping
104
Water Quality
105
Water Flow Adjustment
105
Pressure Charts
107
Domestic Hot Water Hydraulic Circuit (Optional)
108
Hydraulic Circuit
108
Water Piping
110
Water Quality
112
10 Electrical Wiring
113
Unit Electrical Wiring and Connection
114
General Check
114
Electrical Wiring Connection
116
Outdoor Unit Terminal Board Connections
116
Indoor Unit Terminal Board Connections
117
Printed Circuit Board (PCB)
118
Outdoor Unit
118
Indoor Unit
119
Setting of DIP Switches and RSW Switches
121
Outdoor Unit
121
Indoor Unit
124
Common Wiring
130
Electrical Wiring between Indoor and Outdoor Unit of the Air to Water Heat Pump System
130
Electrical Wiring between DHW Tank and Indoor Unit
133
11 Installation Configuration
135
System Configurations
136
Installation Configurations
138
Main Configurations
139
Additional Combinations
142
12 Optional Functions
147
Indoor Unit
148
Optional Functions
148
Optional External Output Signals (by 7-Segment Display)
149
Outdoor Unit
149
Optional Functions
149
13 Troubleshooting
151
Troubleshooting Procedure by Alarm Code
152
Alarm Display
152
Alarm Codes
153
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