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Eaton HCU2 Installation Manual
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25
Instr
uction Booklet
IB1
560
02EN
Effective January 2022
Eaton HCU2/HCUn active harmonic
lter installation manual
EA
T
ON
www.eaton.com
60
A and 120
A models
Figur
e 22.
60
A and 120
A enclosure int
ernal la
yout dr
awing
T
op entry power
connection location
Bottom entry power
connection location
CT and control wiring
termination location
M8 ground stud
M8 ground stud
M8 busbar studs
24
26
Table of Contents
Table of Contents
2
Important Information
3
Definition of Symbols
3
Warnings and Cautions
3
Safety Precautions
4
Introduction
4
Harmonic Correction Unit
4
Neutral Harmonic Correction Unit
4
Receiving, Handling, and Storing
5
Receiving
5
Inspection
5
Handling
5
Storing
5
Installation
5
Foundation Preparation
5
Installation
6
Environmental Requirements
6
Physical Installation
6
Standard Units Physical Description
6
Dimensional Drawings
8
Attaching the Enclosure to the Floor
22
Electrical Connection (HCU2)
23
Line Voltage
23
Power Cable Routing
23
Power and Ground Cable Selection and Connections
23
Power Termination Covers
24
60 A and 120 a Models
25
200 A and 300 a Models
26
Current Transformers (Cts)
26
Electrical Connection (Hcun)
27
Line Voltage
27
Overcurrent Protection Device Selection
27
Residual Current Device
29
Power and Ground Cable Selection and Connections
29
General CT Information
31
Minimum CT Requirements
31
CT to CT Board Connection
31
Parallel System
35
Wiring Diagrams
36
Parallel Communication
40
Control Wiring
41
Pre-Commissioning
43
Instruments Required for Commissioning
43
Pre-Energizing Procedure
43
Installation Inspection
43
Pre-Commissioning Checklist
43
Commissioning Procedures
43
HRG, and Corner Grounded Systems (HCU2)
44
Catalog Numbering System
48
Warranty
48
Disclaimer of Warranties and Limitations of Liability
48
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Eaton HCU2 Specifications
General
Brand
Eaton
Model
HCU2
Category
Water Filtration Systems
Language
English
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