Chapter 2 Mounting And Wiring The Inverter; Installing The Inverter; Wiring; Removing And Mounting The Front Cover And The Wiring Plate - Fuji Electric FRENIC-HVAC Manual

Chapter 2 MOUNTING AND WIRING THE INVERTER

2.1 Installing the Inverter

(1) Mounting base
Install the inverter on a base made of metal or other non-flammable
material. Do not mount the inverter upside down or horizontally.
(2) Clearances
Ensure that the minimum clearances indicated in Figure 2.1 and Table
2.1 are maintained at all times. When installing the inverter in the panel
of your system, take extra care with ventilation inside the panel as the
ambient temperature easily rises. Do not install the inverter in a small
panel with poor ventilation.
When mounting two or more inverters
When mounting two or more inverters in the same unit or panel,
basically lay them out side by side. When mounting them necessarily
one above the other, be sure to separate them with a partition plate or
the like so that any heat radiating from an inverter will not affect the
one(s) above.
Table 2.1 Clearances
Inverter capacity
200Vclass series：0.75 to 45 kW (1 to 60 HP)
400Vclass series：0.75 to 90kW (1 to 125 HP)
200Vclass series：55 to 90 kW (75 to 125 HP)
400Vclass series：110 to 280kW (150 to 450 HP)
400Vclass series：315 to 710 kW
(500 to 1000HP)

2.2 Wiring

Before wiring, remove the front cover and wiring plate and then set cable glands or conduits on the wiring plate.
After wiring, mount the wiring plate and front cover back into place. (The cable glands or conduits should be
prepared by the customer.)

2.2.1 Removing and mounting the front cover and the wiring plate

(1) 200V class series 45 kW (60HP) and 400V class series 90 kW (125HP) or less
Loosen the (four or six) screws on the front cover, hold the right and left ends of the front cover, and remove
it towards you.
Loosen the four screws on the wiring plate, hold the right and left ends of the wiring plate, and remove it
downwards.
Figure 2.2 Removing the Front Cover and the Wiring Plate (FRN37AR1M-4 / FRN050AR1M-4U)
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(0.39)
(1.97)
C: Space required in front of the inverter unit
mm (inch)
A B C
10
100 100
(3.9) (3.9)
50
150 150
(5.9) (5.9)
2-1
Figure 2.1 Mounting Direction and
Required Clearances