Cable Installation
6.0CABLE INSTALLATION
6.1Wiring Preparation
! WARNING
Please read this section thoroughly before attempting to install wiring to this unit.
Be sure that the unit is not connected to any AC mains power source or UPS before installing any wir- ing to this unit. This Maintenance Bypass Cabinet should be installed by a qualified / certified electri- cian.
6.2Preparing Internal Wiring
The Maintenance Bypass Cabinet is
6.3Dual Source Configuration
Modifying the wiring consists of removing the jumpers between TB1 and TB2 as described below:
1.Remove cover plates.
2.Identify TB1 and TB2.
3.Using a 3/16" Allen wrench, loosen terminal mounting jumpers between TB1 and TB2.
4.Remove jumpers and retighten terminals to 50
5.Connect primary source to TB2 and secondary source to TB1.
Figure 6 Jumper removal—transformer models and non-transformer models
TRANSFORMER MODELS
GEC
TB1 |
|
|
|
|
|
| TB2 |
|
|
| TB3 |
| ||||||||||
|
|
|
| Cables to be removed |
|
|
|
|
|
| ||||||||||||
|
|
|
|
|
|
|
|
|
|
|
| |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
TB1 | Cables to be removed | TB2 |
|
| |
|
|
|
| 12 |
|