Connection Of The Power Factor Improving Dc Reactor (Fr-Hel) - Mitsubishi FR-F720-00046-NA Instruction Manual

Connection of stand-alone option units
2.4.7

Connection of the power factor improving DC reactor (FR-HEL)

(1) Keep the surrounding air temperature within the permissible range (-10°C to +50°C). Keep enough clearance
around the reactor because it heats up. (Take 10cm (3.94 inches) or more clearance on top and bottom and 5cm
(1.97 inches) or more on left and right regardless of the installation direction.)
5cm (1.97 inches)
or more
(2) When using the DC reactor (FR-HEL), connect it between terminals P1 and P/+.
For the FR-F720-02330 (FR-F740-01160) or lower, the jumper connected across terminals P1 and P/+ must be
removed. Otherwise, the reactor will not exhibit its performance. For the FR-F720-03160 (FR-F740-01800) or
higher, a DC reactor is supplied. Always install the reactor.
(3) A DC reactor (FR-HEL) is usually earthed (grounded) by being mounted securely to the enclosure. If a DC reactor
is not earthed (grounded) enough through the enclosure, use an earthing (grounding) cable.
When you are using an earthing (grounding) cable with a 55K or lower capacity inverter, wire the cable to the
installation hole where varnish is removed. (Refer to the Instruction Manual of FR-HEL.)
(For 75K or higher, use an earth (ground) terminal to perform earthing (grounding). (Refer to page 374 )
CAUTION
⋅ The wiring distance should be within 5m(16.4feet).
⋅ The size of the cables used should be equal to or larger than that of the power supply cables (R/L1, S/L2, T/L3) and the earthing
(grounding) cable. (Refer to page 21)
44
10cm (3.94 inches) or more
5cm (1.97 inches)
or more
5cm (1.97 inches) or more
P1 P/+
Remove
the jumper.
5cm (1.97 inches)
or more
FR-HEL