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HONEYWELL™ Wind Turbine WT6500 Owner’s Manual - Rev 10
Turbine Installation
Grounding
PROFESSIONAL INSTALLATION A certied and trained electrician must
install and commission this turbine using the National Electric Code (NEC)
(or, if in Canada, the Canadian Electric Code (CEC)) and in compliance to the
local permitting and zoning codes.
The SMARTBOX™ Controller is designed to work only with the HONEYWELL™
Wind Turbine. The turbine uses a negative-grounded electrical system. Grounding for
the turbine, battery and AC circuits are provided inside the wiring compartment. Each
ground connection can accommodate up to #6 AWG wire size. GFI: A fuse rated at
.5A 250V, accessible from the bottom of the wiring compartment, grounds the negative
conductor of the turbine and provides turbine ground-fault protection. Only a Littelfuse
0312.500HXP or equivalent fuse should be used as a replacement.
SHOCK HAZARD
DO NOT connect the battery negative to ground. NEC
requirements specify that the battery negative ground must
be done only through the 1A fuse. Bonding the battery
negative to ground will disable the turbine’s ground fault
protection and will result in improper operation. The battery
compartment should be grounded if made of metal.
SHOCK AND FIRE HAZARD
Fuses must only be replaced by qualied service personnel,
such as a certied electrician or technician. For continued
protection again risk of re, replace only with the same type
and rating of fuse. Failure to follow this warning may result
in death, personal injury or property damage.
SHOCK HAZARD
Disconnect wind and battery circuits before removing the
grounding connections or before removing or installing the
fuse. Wait at least 5 minutes for the internal circuitry to dis-
charge before servicing the unit. Failure to follow this warn-
ing may result in death, personal injury or property damage.
Even though the wind turbine is grounded at the service manual, it must also be
grounded at the base of the mounting pole, QUADPOD™ Mount, or TriPod. Grounding
at these mounts may prevent electric shock and voltage surges. Proper mount
grounding may also minimize damage due to lightning strikes.
Grounding information is available from the National Electric Code (NEC) USA 2005
as well as the International Electrotechnical Commission (IEC) standard 60364-
5-54 section Erection of Electrical Equipment: Earthing Arrangements, Protective
Conductors and Protective Bonding Conductors. Please reference the NEC and IEC
standards regarding full details of grounding this wind turbine. Please also refer to
205 NEC article 250.53 (G) regarding the grounding electrode installation. Also refer
to 2005 NEC article 250.66 (A) regarding conductor size where it stipulates that where
a grounding electrode conductor is connected to a rod, pipe or plate electrode, that
portion of the conductor that is the sole connection to the grounding electrode shall be
a minimum of 6AWG copper wire or 4AWG aluminum wire.