02/02
6
Chapter 1-
General Description
9
1.1 Introduction
9
1.2 Design Concept
9
1.2.1 7400-M Module Design
9
1.2.2 Bypass supplies
10
1.2.3 UPS Power Switch Configuration
11
1.2.4 Battery Circuit Breaker
11
1.2.5 Battery Cabinet/ Racks
11
1.2.6 Battery Circuit Breaker Box
11
1.2.7 Battery temperature compensation (optional)
11
1.3 Operator Control and Display Panel
13
1.3.1 LED Indications
14
1.3.2 LCD Display
15
Chapter 2-
Operating Instructions
19
2.1 Introduction
19
2.1.1 General notes
19
2.2 Procedure for switching the UPS to Power the Load from a Power off condition 21
2.3 Procedure for switching the UPS into a Maintenance Bypass condition
from normal operation
22
2.4 Procedure for Switching the UPS ON from a Maint. Power down condition
24
2.5 Procedure for completely powering down the UPS
25
2.6 Procedure for carrying out a RESET after a recognised
controlled transfer to bypass or EPO action
27
Chapter 3 -
Installation Procedure
28
3.1 Introduction
3.1.1
Equipment positioning and Environmental considerations
29
3.1.2
Raised floor installation
29
3.1.3
Battery Location
30
3.2 Preliminary Checks
32
3.3 Connecting the UPS power cables
33
3.3.1 Cable entry
33
3.3.2 Cable rating
33
3.3.3 Cable connections
34
3.3.4 Safety earth
34
3.3.5 Protective devices
34
3.3.6 Cabling procedure
35
3.4. Battery Installation
39
Table of Contents