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GENERAL COMPLIANCE INFORMATION
Agency Listings
UL
e WF-5118/5120 Inverter units are UL-Listed, and cUL-Listed (Canadian).
FCC Compliance Class B
NOTE: is equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. ese limits are designed to provide
reasonable protection against harmful interference when the equipment is operated in a
commercial environment. is equipment generates, uses, and can radiate radio frequency
energy, and if not installed and used in accordance with the instruction manual, may
cause harmful interference to radio communications. Operation of this equipment in
a residential area is likely to cause harmful interference in which case the user will be
required to correct the interference at his own expense.
INSTALLATION INSTRUCTIONS
Installing the WF-5118/5120 Inverters
Mounting the Enclosure
e WF-5118/5120 Inverters enclosure should be mounted near the house battery in an
accessible area such as a wall or in the side of a cabinet. e front of the enclosure should not
be obstructed to allow free air ow for the cooling fans and to allow access to the front panel
controls. e WF-5118 and WF-5120 enclosures need a mounting area of 16.2”L x 10.8”W x
6.65”H.
AC Ground Bonding
During AC wiring installation, the AC input and output grounds are connected to the inverter.
e AC input ground wire must be connected to the incoming ground wire of the AC utility
source. e AC output ground wire should be connected to the grounding point for your loads;
for example, a distribution panel ground bar.
Neutral Grounding
e neutral conductor of the AC output circuit of the inverter is automatically connected to the safety
ground during inverter operation. is conforms to National Electrical Code requirements that a
derived AC source, such as an inverter or generator, must have their neutral conductors tied to
ground in the same way that the neutral conductor from the utility is tied to ground at the AC
breaker panel. When AC utility power is present and the inverter is in bypass mode, this neutral
to ground connection is not present. e utility power neutral is only connected to ground at the
breaker panel.
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