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YUTAKI S Series
Hitachi YUTAKI S Series User Manual
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Accessory
Ref.
Name
Figure
A
TW-AQT
-01
A
Aquastat security (for heating oor protection)
A
TW-3WV
-01
A
3-way valve
(Internal thread and spring return)
A
TW-WCV
-01
A
W
ater check valve
WEH-6E
S80
M
W
ater electric heater
A
TW-DPOV
-01
A
Differential pressure overow valve
NEW
A
TW-FWP-03
S80
Flexible pipe
GENERAL
INFORMA
TION
PMML0335A
rev
.1 - 04/2016
14
25
27
Table of Contents
Table of Contents
7
1 General Information
13
General Notes
13
Introduction
13
Overview of YUTAKI System
13
Summary of Operations
14
Applied Symbols
16
Product Guide
17
Classification of the Units
17
Split System - Indoor Unit
17
Split System - Outdoor Unit
17
Monobloc System
18
Product List
19
Split System - Indoor Unit
19
Split System - Outdoor Unit
19
Monobloc System
22
Accessory Code List
23
2 General Safety Notes
27
ADDITIONAL INFORMATION about Safety
27
Important Notice
27
3 General Data
28
Capacity Tables
28
Capacity-Performance Data
28
Considerations
28
Nominal Capacity-Performance Tables
28
ERP Performance Data
31
ERP Data - YUTAKI S
31
General Considerations
31
General ERP Data for Space Heaters
31
ERP Data - YUTAKI S COMBI
35
ERP Data - YUTAKI S80
38
ERP Data - YUTAKI M
40
ERP Additional Data - YUTAKI S
42
ERP Additional Data - YUTAKI S COMBI
43
ERP Additional Data - YUTAKI M
44
ERP Additional Data - YUTAKI S80
44
General Specifications
45
Split System - Indoor Unit
48
Yutaki S Combi
51
Yutaki S80
57
Monobloc System - YUTAKI M
60
Component Data
62
Split System - Indoor Unit
64
Yutaki S Combi
65
Yutaki S80
69
DHW Tank
70
Electrical Data
73
Split System - Indoor Unit
74
Yutaki S80
75
Monobloc System - YUTAKI M
76
4 Working Range
77
Swimming Pool Heating
80
Hydraulic Working Range
81
Pump Performance Curves
82
5 Refrigerant Cycle and Hydraulic Circuit
88
Yutaki S Combi
91
Yutaki S80
93
Indoor Unit for Integrated Tank Version
94
Refrigerant Cycle And Hydraulic Circuit For Monobloc System - YUTAKI M
95
6 Refrigerant and Water Piping
97
Precautions In The Event Of Gas Refrigerant Leaks
98
Water Piping
99
Water Quality (Preliminary Information)
102
7 Electrical and Control Settings
103
Electrical Connection
106
Minimum Requirements Of The Protection Devices
108
Setting Of Dip Switches And Rsw Switches
111
Function Of Dip Switches And Rotary Switches
112
LED Indication
114
Terminal Board Connections
115
Table Board 2
116
8 Unit Controller
122
Description Of The Icons
123
Icons For The Comprehensive View
124
Icons For The Room Thermostat View
125
Menu
126
Menu Contents
126
Main Screen
128
Room Thermostat View
129
Wizard Start-Up Configuration
130
Configuration Assistant
131
Questions
132
Results
134
Examples Of Possible Configurations
136
Not Allowed Configurations
141
Screen 3
142
Operation Information
143
Menu Navigation
143
Circuit
144
General
144
Dhw
145
Circuit
145
Swimming Pool
145
Level
145
Electrical Heater
146
Solar Combination
147
System Configuration
148
Compensation Factors
150
Circuit 2
152
Timer And Schedule
152
Water Settings
154
Circuit 1
154
Space Heating
154
Circuit
155
Space Cooling
155
Space Heating
156
Circuit
156
Eco Offset Working Limits Mixing Valve
156
Space Cooling
159
Eco Offset
159
Working Limits
159
Swimming Pool
164
Emergency Operation
167
Heat Pump
167
Minimum off Time
167
Minimum on Time
167
Outdoor Average Timer
167
Seizure Protection
167
Status
167
Water Pump Configuration
167
Optional Functions
168
System
168
Heating Auto On/Off
169
Auto Heat/Cool
170
I/O and Sensor
170
Controller Settings
173
Controller Options
173
Room Name
173
Controller Options
174
Date and Time
174
Adjust Date and Time
175
European Summer Time
175
Language Selection
176
Screen Settings
176
UTC Zone
176
Commisioning
177
Air Purge
177
Start Air Purge
177
Start Test Run
177
Contact Information
178
Screed Drying
178
Start Screed Drying
178
System Information
178
Factory Reset
179
Return to User Mode
179
Index of References
180
9 Troubleshooting
183
10 Maintenance
186
General Maintenance Procedure For The Indoor Unit
187
Other manuals for Hitachi YUTAKI S Series
Technical Catalogue
142 pages
Installation And Operation Manual
77 pages
Instruction Manual
84 pages
4
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Hitachi YUTAKI S Series Specifications
General
Brand
Hitachi
Model
YUTAKI S Series
Category
Heat Pump
Language
English
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