Fuji Electric FRENIC-Ace series - Recommended Wire Size (Main Circuit Terminals)

2.2 Wiring
2-17
INSTALLATION AND WIRING
Chap 2
[ 3 ] Recommended wire size (main circuit terminals)
The following wires are recommended unless special requirements exist.
■ 600 V vinyl insulation wire (IV wire)
This wire is used in circuits except the inverter control circuit. The wire is difficult to twist and is not recommended
for inverter control circuit. The maximum allowable temperature for the insulated wire is 60°C.
■ 600 V type 2 vinyl insulation wire or 600 V polyethylene insulation wire (HIV wire)
In comparison to the IV wire, this wire is smaller, more flexible, and the maximum allowable temperature for the
insulated wire is 75°C (higher), making it suitable for both the inverter main circuit and control circuit. However, the
wiring distance should be short and the wire must be twisted for use in the inverter control circuit.
■ 600 V cross-linked polyethylene insulation wire (FSLC wire)
This wire is used mainly in the main circuit and the grounding circuits. The size is even smaller than the IV wire or
the HIV wire and also more flexible. Due to these features, the wire is used to reduce the area occupied by wiring
and to improve work efficiency in high temperature areas. The maximum allowable temperature for the insulated
wire is 90°C. As a reference, Furukawa Electric Co., Ltd. produces Boardlex which satisfies these requirements.
■ Shielded-Twisted cables for internal wiring of electronic/electric instruments
This product is used in inverter control circuits. Use this wire with high shielding effect when risk of exposure to or
effect of radiated noise and induced noise exists. Always use this wire when the wiring distance is long, even within
the cabinet. Furukawa Electric’s BEAMEX S shielded cables XEBV or XEWV satisfy these requirements.
Table 2.2-7 Recommended Wire Sizes (Common Terminals)
Common terminals
Recommended wire size
(mm
2
) [AWG]
Remarks
Auxiliary power input terminals for control
circuit R0, T0
2.0 [14]
FRN0088E2■-2 or above
FRN0059E2■-4 or above
Auxiliary power input terminals for fan R1, T1 2.0 [14] FRN0203E2■-4 or above
Refer to Appendix G-3 to conform the wire sizes to the UL Standards and Canadian Standards (cUL Certification).