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UTOPIA R32 Series
Hitachi UTOPIA R32 Series User Manual
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P
r
inted in
Sp
ain
PMEN0654 rev.0 -
12/2023
Johnson Controls-
Hitachi Air Conditioning Spain, S.A.U.
Ronda Shimizu, 1 - Políg. Ind. Can T
o
rrella
08233 Vacarisses (Barcelona) Spain
© Copyright
2023 Johnso
n Controls-Hi
tachi Air Conditioning Spain,
S.A.U
. –
All rights reser
ved.
84
Table of Contents
Default Chapter
6
Table of Contents
6
General Information
10
General Information
11
Applied Symbols
11
Additional Information about Safety
12
Important Notice
13
Product Guide
14
Classification of the Outdoor Unit
14
Outdoor Units Product Line-Up
14
Name of Parts and Dimensional Data
15
Ras-(2-3)Hvrc3
16
Refrigerant Cycle
17
General Notes
18
Ras-(2/2.5)Hvrc3
18
Ras-3Hvrc3
19
Additional Considerations for the Unit Installation
20
Installations with Exposure to Strong Winds
21
Refrigerant Piping and Refrigerant Charge
22
Selection of the Copper Pipes
23
Three Principles on Work with Refrigerant Pipes
23
Flared Pipes
24
Selection of the Connection with Flare Fitting
24
Dimensions of Flared Pipe
25
Flared Connection Mounting
25
General Instructions on the Installation of Refrigerant Pipes
26
Preparing Copper Refrigeration Pipes
26
Cutting Copper Refrigeration Pipes
28
Bending Copper Pipes
28
Brazing Copper Refrigerant Pipes
29
Refrigerant Pipe Insulation
30
Suspension of Refrigerant Piping
31
Line Branch and Header Branch Installation
31
Piping Connection for Outdoor Unit
32
Outdoor Unit Stop Valve
34
Connecting Flare Adapter
35
Refrigerant Piping Length
36
Ras-(2-3)Hvrc3
37
Refrigerant Piping Length
37
Piping System for Header Branch
37
Combinations of Piping Size and Piping Length
39
Refrigerant Piping Size and Multi-Kit/Distributor
40
DIP Switches
41
Setting of DIP Switches for Outdoor Unit
42
Commissioning
46
Main Concerns for Commissioning
47
Vacuum Pumping
48
Basic Method
49
Triple Evacuation Method
50
RAS-(2-3)HVRC3 Vacuum Pumping Example
51
Charging Work
52
Important Considerations
53
RAS-(2-3)HVRC3 Charging Work Example
55
Refrigerant Pump down
56
General Considerations
57
RAS-(2-3)HVRC3 Refrigerant Pump down Example
57
H-LINK II System
58
General Considerations
59
System Installation DSW Setting
60
Test Run from Outdoor Unit Side
62
RAS-(2-3)HVRC3 Test Run Procedure
63
Test Run Check List
65
Troubleshooting
66
On-Screen Display During Abnormal Operation
67
Main Alarm Codes
68
Maintenance
73
General Considerations
74
General Maintenance Work
74
Optional Parts for RAS-(2-3)HVRC3 Series
76
Assigned Models and Quantity
77
Air Flow Guide
77
Ag-264
77
Wind Guard
79
Wsp-Sp10A
79
Snow Protection Hood
80
Air Discharge Hood
80
Rear Suction Hood
81
Left Suction Hood
82
Assembly of Snow Protection Hood
83
Other manuals for Hitachi UTOPIA R32 Series
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Installation & Operation Manual
50 pages
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Hitachi UTOPIA R32 Series Specifications
General
Brand
Hitachi
Model
UTOPIA R32 Series
Category
Air Conditioner
Language
English
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