Screw Specifications And Recommended Wire Sizes; Main Circuit Terminals - Fuji Electric FRENIC-HVAC User Manual

2.3.3

Screw specifications and recommended wire sizes

2.3.3.1

Main circuit terminals

The specifications of the screws to use for the wiring of the main circuit are shown below. Please note
that terminal arrangements vary depending on inverter capacities.
Refer to 「Chapter 11 CONFORMITY WITH STANDARDS」for recommended wire size.
Use crimp terminals covered with an insulation sheath or with an insulation tube.
 Screw Specifications (230 V class series)
Nominal
Power
applied
supply
motor
voltage
(HP)
1
2
3
5
7.5
10
15
20
Three-
phase
25
230V
30
40
50
60
75
100
125
Note: A box ( ) replaces an alphabetic letter depending on the enclosure.

M (NEMA/UL TYPE 1) or L (NEMA/UL TYPE 12)
Refer
Inverter type
to:
FRN001AR1-2U
FRN002AR1-2U
Figure
A
FRN003AR1-2U
FRN005AR1-2U
FRN007AR1-2U
Figure
FRN010AR1-2U
B
FRN015AR1-2U
FRN020AR1-2U
Figure
C
FRN025AR1-2U
FRN030AR1-2U
Figure
D
FRN040AR1-2U
FRN050AR1-2U
Figure
E
FRN060AR1-2U
FRN075AR1S-2U
Figure
F
FRN100AR1S-2U
Figure
FRN125AR1S-2U
L
Main circuit Grounding
terminals terminals
Tightening
Screw Screw
torque
size size
(lb-in)
M4 15.9 M4
M6 51.3 M6
M8 119.4 M8
M10
M10 238.9
M8
M12 424.7 M10
2-28
Aux. control
power supply
Aux. main circuit
power supply
Tightening Tightening
Screw
torque torque
size
(lb-in) (lb-in)
15.9
51.3
M3.5 10.6
119.4
238.9
119.4
238.9