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
51
Installing the ERU
5
Route the #10 AWG wire and connect it to the central building ground point you
selected by following the appropriate procedure in the following table.
Building Ground Procedure
Electrical service
grounding rod or raceway
TBD - need an illustration and procedure
Electrical service panel
enclosure
NOTE: If there is no pre-drilled hole in the service panel
enclosure use a different building ground.
ATTENTION: Both sides of the metal through which the
fastening screw passes should be visible and well away
from any energized parts, bus bars, or wires.
1 Turn off the power:
If there is a main switch at the service panel, use it to cut off
all power.
If there is no main switch, turn off all the circuit breakers.
2 Secure the ground lug to the service panel enclosure using a
screw that is appropriate for your ground lug.
3 Insert the #10 AWG grounding wire through the wire hole in
the ground lug.
4 Insert the ground lug screw into the ground lug hole and
tighten it to secure the grounding wire in place.
Continued
Ground Wire
Ground Lug
Service Panel
Enclosure
00479
Ground
Lug Screw