HRX-OM-L014
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HRGC001-A HRGC002-A HRGC005-A
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1
st
edition : Jun. 2007
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3.3.2 Electrical wiring
Power supply cable and GFCI
Use the power supply cable and GFCI complying the following table.
Table 3-2 Power supply cable and Earth Leakage Breaker
Item
HRGC001, HRGC002
HRGC005
Size
14AWG
12AWG
Power
supply
cable
Terminal base
screw diameter
M3.5
M3.5
Size
14AWG
12AWG
Ground
cable
Terminal base
thread diameter
M8
M8
Size
18AWG
Signal
cable
Terminal base
screw diameter
M3
Breaker Rating
15A
30A
Earth
Leakage
Breaker
Detected current
30mA
30mA
Do not modify the intenal electrical wiring of the unit. Incorrect
wiring might cause electrical shock or fire. Also, modifing the
internal wiring will void the unit’s warranty.
Be sure not to change the set values of safety devices such as
thermal switchs. It might cause the unit to become unsafe in a fault
situation.
Do not connect the ground to water line, gas pipe and lightening
conductor.
Only qualified persons are allowed to wire the unit.
Be sure to cut off the user’s power supply. Wiring with the unit
energized is strictly prohibitted.
The wiring must be conducted with cables complying Table 3-2
firmly and secured to the unit to prevent the external force of
cables being applied to the terminals. Incomplete wiring or
improper securing of wiring might cause electrical shock,
excessive heat and fire.
Supply stable power also with no voltage surges.
Ensure that an Earth Leakage Breaker is used in the power supply
of the unit. See Table 3-2.
Use a power supply suitable for the specifications of the unit.
Be sure to connect the ground connection.
Ensure that a lock out facility is availble on the power supply.
Each unit must have its own separate Earth Leakage Breaker.
Otherwise there can be a risk of electric shock or fire.
