User's Manual
Table Of Contents
- Important Safety Instructions
- Overview
- The ERU assembly
- Do you have everything?
- Safety precautions
- Introduction
- Installing the ERU
- Installation overview
- Installation guidelines and requirements
- Estimating cable requirements
- Assembling the mounting bracket and pipe
- Installing the ERU on solid wood or lap siding
- Installing the ERU on brick or poured concrete
- Installing the ERU on a cinder-block or hollow wall
- Installing the ERU under the eaves
- Installing the ERU on a roof
- Attaching the ERU to the mounting assembly
- Routing and grounding the exterior cables
- Routing cable to the SOMAport
- Troubleshooting

39
Installing the ERU
Tools and materials
Make sure you have the following items on hand before you begin.
To install the mounting assembly under wooden eaves
1
Hold the mounting bracket-and-pipe assembly in position.
2
Use a pencil or a piece of chalk to mark the positions of the four holes that are
located in the four corners of the mounting bracket.
3
Remove the mounting bracket-and-pipe assembly.
4
Drill a 3/16-inch hole in each of the locations you marked.
Materials Tools
Four 5/16-inch x 2-inch lag screws Electric drill with a 3/16-inch wood bit
Four 5/16-inch x 2-inch washers Carpenter’s level
Screwdriver
Hammer
11-mm (7/16-inch) open-end or box-end
wrench or a small adjustable wrench
Pencil or chalk