Previously installed units, Proper installation of the ground rod (continued) – Grain Systems PNEG-823 User Manual
Page 11
3. Heater Installation
PNEG-823 Deluxe Downwind Heater 11
Proper Installation of the Ground Rod (Continued)
5. Connect the bare copper ground wire to the rod with the proper ground rod clamp.
6. Connect the bare ground wire to the fan control boxes with a grounding lug.
7. Ground wire must not have any breaks or splices. Insulated wire is not recommended for grounding.
Figure 3B
Use a #6 or approved size bare copper ground wire. Install a 5/8" diameter 8' long copper-clad
ground rod, 2' away from the foundation and 1' below the surface of the ground or in accordance
with local requirements.
Previously Installed Units
It is recommended that previously installed units be checked to see that a machine to earth ground
has been installed by an electrician.
Standard electrical safety practices and codes should be used when working with a heater. Refer to the
National Electric Code Standard Handbook by the National Fire Protection Association. A qualified
electrician should make all wiring installations.
IMPORTANT: Do not use propane tanks that have previously been used for ammonia unless they have
been purged according to procedures of the National LP Association.
Fuel supply system must comply with local codes for LP gas installation.
Always disconnect and lock out power before working on or around heater.