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Guardian Access 3U
Unipower Guardian Access 3U User Manual
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Power Supply System
Guardian Access
3U
Instruction Manual
www
.unipowerco.com
Document Number: MS0027-MAN rev
. 4
© 2017 UNIPOWER LLC
All Rights Reserved
guardian_access_3u_ms27-man-rev4-0817.indd
UNIPOWER LLC • 3900 Coral Ridge Drive, Coral Springs, Florida 33065, USA
•
sales@unipowerco.com
North
America: +1 954-346-2442 • Europe: +44 1903 768200
POWERING
TECHNOLOGY
2
Table of Contents
Default Chapter
3
Table of Contents
3
Chapter 1 About this Manual
6
Objectives
6
Audience
6
Document Key
6
Feedback & Support
7
Disclaimer
7
Chapter 2 System Description
8
Overview
8
Figure 2-1 Power System Overview
8
Figure 2-2 Principal of Operation
9
Figure 2-3 Power System with Extension Rear and Top Cover Kit
10
Figure 2-4 Power System with Rear and Top Cover Kit
10
System Parameters
11
System Components
13
System Controller
13
DC Distribution Unit
13
Rectifier Module
14
Figure 2-5 Guardian Rectifier
14
Chapter 3 System Safety
15
Safety Warnings and Guidelines
15
System Markings
15
Safety Recommendations
15
Installation Warning
16
Restricted Access Area Warnings
16
System Enclosure
16
Operating Temperature Warnings
16
Electrical Safety Warnings
17
Grounding
18
Batteries
18
Lead Acid Batteries
18
In Case of an Accident
19
Caution
19
Storage and Transportation
19
Disposal
19
Handling Electrostatic Sensitive Devices
19
Traceability
19
Breakers
20
Hot Surfaces
20
Chapter 4 Installation Guide
21
Preparation
21
Installation Overview
21
Unpacking
21
Tools
22
Cable Size
23
Table 4-1 Recommended Electrical Cable Size
23
Rack Mounting
24
Figure 4-1 System Mounting - Cabinet
24
Figure 4-2 System Mounting - Open Frame / Relay Rack
25
Cable Entry
26
Remove Top Cover
26
Figure 4-3 Remove Top Cover
26
Cable Entry Openings
27
Figure 4-4 Remove Top and AC Input Cover
27
Figure 4-5 Cable Entry Options
27
Figure 4-6 Grounding Connection
28
Figure 4-7 Grounding Connection with Extended Rear Cover - Two Point
28
AC Input Connection
29
Figure 4-8 Grounding Connection with Extended Rear Cover - Single Point
29
Figure 4-9 AC Input Terminal Block (1-Phase)
30
Figure 4-10 AC Input Terminal Block (3-Phase)
30
DC Load Connection
31
Figure 4-11 DC Load Connection
31
Battery Connection
32
Alarm and Signal Connections
32
Figure 4-12 Battery Connection
32
Figure 4-13 PCC External Board
33
Figure 4-14 ACC External Board
33
Figure 4-15 ACC Relay Board
34
Symmetry Connection
35
Figure 4-16 2-Block Symmetry Measurement (for Illustration Only)
35
Figure 4-17 4-Block Symmetry Measurement (for Illustration Only)
35
Temperature Sensor Connection
36
Figure 4-18 Temperature Sensor Connection
36
Connecting an RS232 Communication Cable
37
Rectifier Installation
37
Figure 4-19 RS232 Connection
37
Reinstalling Top Cover
38
Figure 4-20 Rectifier Installation
38
Chapter 5 Commissioning
39
Commissioning Overview
39
Tools and Test Equipment
39
Tools List
39
Test Equipment
39
Preparation
39
Commissioning Procedure
40
Test of Output Voltage
41
Float Charge (U1)
41
Adjustment of Float Charge, U1
41
Boost Charging (U2) (if Applicable)
41
Table 5-1 Float/Boost Charge Voltages
41
Battery Supervision
42
Battery Test
42
Commissioning Record
43
Table 5-2 Commissioning Record
43
Chapter 6 Maintenance & Troubleshooting
44
Maintenance
44
Checking Terminal Connection
44
Other Requirements
44
Table 6-1 Connection Torque Setting Check
44
Troubleshooting
45
Chapter 7 Replacing Modules
49
Controller Replacement
49
Rectifier Replacement
49
Figure 7-1 Unlocking and Removing the Controller
49
Battery and Load Breakers Replacement
50
Surge Protection Device Replacement
50
Figure 7-2 Replacing a Surge Protection Module
50
Appendix A - Drawings
51
System Layout
51
Installation Details - Connections
52
Block Diagram
53
Detailed Dimensions
54
4
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Unipower Guardian Access 3U Specifications
General
Brand
Unipower
Model
Guardian Access 3U
Category
Power Supply
Language
English
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