Xantrex Technology 10 - Manual (Page 33)

Residential Solar Installation
975-0251-01-01 2–17
4. Allow 13 cm (minimum) of clearance around the unit and allow for a supply
of fresh air to the cooling fan. Do not block any of the vents or louvers.
5. The mounting location should be as close to the batteries as possible. The
battery cables can be extended, however each cable must not be over 3.04 m
in total length from the inverter to battery terminals.
Grounding
For safety purposes, the chassis of the Freedom 10 must be connected to your
AC ground system. The chassis grounding terminal is located on the bottom of
the unit. This connector can accept two wires. The first is used to connect the unit
to the earth grounding system, the second can be used to connect other equipment
to the grounding system, through the unit.
Use 5.0 mm
2
ES (Euro Standard) green insulated or bare copper wire if no
other equipment is grounded through the unit. If additional equipment is
connected to the chassis grounding terminal, larger wire may be required. Consult
local electrical codes for details.
Strip one end of the wire and use a screwdriver to secure it to the chassis
grounding terminal. This wire will connect to the equipment ground system either
at the earth ground electrode or at an electrical equipment enclosure ground
bonding terminal. In either case, you must ensure that the ground bonding wire
does not become smaller between the Freedom 10 and earth ground point. Make
sure each connection is clean and tight.
This procedure will connect the chassis of your Freedom 10 to ground. In addition,
the AC input and AC output green wires are connected to chassis ground. It is
important to connect these wires to the AC ground bus in the circuit breaker panel.
Please note that neither of the battery cables is connected to ground or the chassis
of the Freedom 10.
Neutral Bonding
For safety purposes, the Freedom 10 internally bonds the blue AC output neutral
wire to the green/yellow AC ground wire when the unit is OFF or in the inverter
mode. When incoming AC power is applied and the transfer switch is engaged,
the internal neutral to ground bond is automatically lifted.
This technique meets safety requirements of numerous electrical codes. Refer to
other applicable electrical codes regarding connections between AC ground and
DC ground.
WARNING: Fire hazard and equipment damage
Do not mount the unit in an area exposed to flammable fumes or in an enclosed battery
compartment.