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YUTAKI M R32 Series
Hitachi YUTAKI M R32 Series User Manual
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INSTALLATION &
OPERATION
MANUAL
–
YUTAKI M R32 series
YUTAKI HYDROSPLIT R32 series
PMML0600 rev.0 - 06/2022
MODELS
RASM-(2/3)VRE
RASM-(4-7)(V)R1E
RASM-(4-7)(V)RW1E
HWM-WE
HWD-WE-220S(-K)
2
Table of Contents
Table of Contents
4
General Information
5
Name of Parts and Dimensional Data
5
Electrical Data
5
Working Range
6
Drain and Water Piping
6
Electrical and Control Settings
7
Commissioning
8
Maintenance
9
General Information
11
Applied Symbols
12
Product Guide
14
Classification of the Units
14
Monobloc System
14
Hydrosplit System - Outdoor Unit
14
Hydrosplit System - Indoor Unit
15
Product List
16
Monobloc System
16
Hydrosplit System R32
17
Hydrosplit System - Indoor Unit
17
Unit Controller Accessory
18
Name of Parts and Dimensional Data
19
Rasm-(2/3)Vre
20
Yutaki M R32
20
Rasm-(4-7)(V)R1E
21
YUTAKI Hydrosplit R32 - RASM-(4-7)(V)WR1E
22
Yutaki H - Hwm-We
23
YUTAKI H Combi - HWD-WE-220S
24
YUTAKI H Combi - HWD-WE-220S-K
25
Electrical Data
26
Considerations
27
Working Range
31
Power Supply Working Range
32
Temperature Working Range
32
Space Heating
33
Dhw
34
Space Cooling (Necessary Cooling Kit)
35
Swimming Pool Heating
35
Hydraulic Data
36
R32 Hydraulic Working Range
36
Pump Performance Curves
37
Yutaki M R32
37
YUTAKI Hydrosplit R32 + YUTAKI H
39
YUTAKI Hydrosplit R32 + YUTAKI H Combi
40
Drain and Water Piping
41
Connecting Procedure
43
Water Drain Discharge Connection (Accessory)
43
Draining Operation for YUTAKI H
44
Indoor Unit Draining Operation
44
Outdoor Unit Draining Operation
44
Draining Operation for YUTAKI H Combi
45
Hydraulic Connections for YUTAKI HYDROSPLIT and YUTAKI H
46
Hydraulic Connections for YUTAKI M
46
YUTAKI Hydraulic Connections
46
Hydraulic Connections for YUTAKI HYDROSPLIT and YUTAKI H Combi
47
Parts Name List
47
Additional Hydraulic Necessary Elements for Space Heating
49
Space Heating and DHW for YUTAKI M / YUTAKI Hydrosplit
49
Additional Hydraulic Necessary Elements for DHW
50
Additional Hydraulic Optional Elements (for DHW)
52
Requirements and Recommendations for the Hydraulic Circuit
53
Anti-Freezing Protection for Water Circuit
54
Glycol as Anti-Freezing Protection
54
Insulation
56
Water Filling
56
Water Quality
58
Minimum Water Volume Description
60
Water Piping
62
Water Piping Length
62
Water Piping Size
62
Suspension of Water Piping
63
Electrical and Control Settings
64
Optional Unit Wiring for Accessories
66
Summary of the Terminal Board Connections
66
Input Terminals (Default Input Functions)
70
Setting of DIP Switches and RSW Switches
80
Dsw1
83
Refrigerant Cycle PCB
83
Dsw2
84
Dsw3
85
Dsw4 / Rsw1
86
Dsw5
86
Dsw6
87
Dsw7
87
Dsw301
88
Dsw302
88
LED Indication
89
Dsw1
90
Dsw2
90
Water Cycle PCB
90
Dsw3
91
Dsw4
91
Dsw5
93
DSW6 (Only if Available)
93
Dsw15 & Rsw2
94
Dsw7
94
Commissioning
97
Before Operation
98
Checking the Unit
98
Electrical Checking
98
Preliminary Check
98
Checking the Refrigerant Circuit
99
Hydraulic Circuit Checking (Space Heating and DHW)
99
Commissioning Procedure
100
Test and Check
100
Test Run / Air Purge
101
Maintenance
104
Rasm-(2-3)Vre
105
Removing the Service Cover
105
YUTAKI M R32 and YUTAKI Hydrosplit R32
105
Removing the Upper Cover
106
Removing the
107
Removing the Rear Cover
107
Rasm-(4-7)(V)R(W)1E
109
Removing the Service Cover
109
Removing the Upper Cover
110
Removing the Rear Cover
111
Removing the Indoor Unit Service Cover
112
Yutaki H
112
Removing Indoor Unit Electrical Box
113
Drain Pipes Connection
114
Space Heating Pipes Connection
114
Cover Assembly
115
Removing the Indoor Unit Covers
117
YUTAKI H Combi
117
Removing Indoor Unit Electrical Box
118
Space Heating Pipes Connection
119
DHW Pipes Connection
120
Drain Pipes Connection
120
4
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Hitachi YUTAKI M R32 Series Specifications
General
Brand
Hitachi
Model
YUTAKI M R32 Series
Category
Air Conditioner
Language
English
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