2.4Changing Default Failsafe Direction, Continued

Procedure, continued

Table 4

Cutting Failsafe Direction Jumper

 

 

 

 

Step

Action

 

 

 

 

1

With transmitter on bench and no power applied. Loosen end-cap

 

 

lock and unscrew end cap from electronics side of transmitter

 

 

housing.

 

 

 

 

2

If applicable, unsnap Local Smart Meter from PWA mounting

 

 

bracket and unplug cable from connector on back of meter

 

 

assembly.

 

 

Loosen two retaining screws and carefully pull mounting bracket

 

 

and PWA from housing.

 

 

Using retaining clip remove flex-tape connector from PWA.

 

 

Remove 2-wire power connector from PWA, and then remove

 

 

PWA and mounting bracket assembly.

 

 

 

 

3

With component side of PWA facing you, locate failsafe jumper W1

 

 

and cut it in half with small wire cutter such as dykes. See Figure 2.

 

 

This changes failsafe action from upscale to downscale.

 

 

 

 

4

Reverse applicable previous steps to replace PWA.

 

 

 

 

6

Turn ON transmitter power.

 

 

 

Figure 2 Location of Failsafe Direction Jumper on PWA.

Power

Connector

Meter

Connector

Failsafe

Direction

Jumper

14

ST 3000 Release 300 Installation Guide

2/05