Input And Output Transformer-To-Ups Connection Line Diagram - Tripp-Lite S3MT-100KWR480V Manual Del Propietário

3. Installation

3.7 Input and Output Transformer-to-UPS Connection Line Diagram

Connections are shown below for the cabinet with built-in input isolator transformer, output auto transformer and breakers with
trip and fault LED.
Input Transformer
Red LED (Lit = Over-Temperature, Off = Normal)
AC Input
480V AC
Isolation Transformer
Delta in 480V/208V Wye out
Output Transformer
Red LED (Lit = Over-Temperature, Off = Normal)
Output
480V AC
Auto Transformer
Wye 208V/Wye 480V
Transformer Cabinet
Output
208V/120V
AC, 3-Phase,
4-Wire +
Trip
Ground to the
UPS Input
Bypass Breaker
Breaker
3PH
Mains Breaker
Battery input: +/–120V DC
Trip
Breaker
Transformer Input 208V
3PH
AC, 3-Phase, 4-Wire
+ Ground to Input of
Output Transformer
Figure 3-7: Connection Line Diagram
12
Maintenance Breaker
PFC Inverter STS
Charger
UPS Output
208/120V,
3-Phase, 4-Wire
+ Ground to
Input of Output
Transformer
Output Breaker
UPS