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Installation Instructions

Internal Mains Fuse Replacement for VLT

0.25–90 kW (0.3–125 hp)

FC 102/FC 103/FC 202/FC 301/FC 302

1.1 Introduction

The instructions provide information about the replacement of

internal mains fuses for single-phase and 3-phase drives in A,

B, and C enclosures. This kit is designed and tested for the

North American market.

Single-phase

—

3-phase

Table 1.1 Supported Enclosures

1.2 Safety Instructions

WARNING

DISCHARGE TIME

The drive contains DC-link capacitors, which can remain

charged even when the drive is not powered. High voltage

can be present even when the warning LED indicator lights

are off. Failure to wait the specified time after power has

been removed before performing service or repair work can

result in death or serious injury.

•

Stop the motor.

•

Disconnect AC mains and remote DC-link power

supplies, including battery back-ups, UPS, and DC-

link connections to other drives.

•

Disconnect or lock PM motor.

•

Wait for the capacitors to discharge fully. The

minimum waiting time is specified in Table 1.2 and

Table 1.3, and is also visible on the nameplate on

top of the drive.

•

Before performing any service or repair work, use

an appropriate voltage measuring device to make

sure that the capacitors are fully discharged.

Voltage [V]

Power range [kW (hp)]

0.25–3.7 kW (0.3–5 hp)

208–230

5.5–45 kW (7.5–60 hp)

0.25–7.5 kW (0.3–10 hp)

460–480

11–90 kW (15–125 hp)

0.75–7.5 kW (1.0–10 hp)

575–600

11–90 kW (15–125 hp)

Table 1.2 Discharge Time for VLT

Minimum waiting

time (minutes)

HVAC Drive FC 102,

VLT

Refrigeration Drive FC 103, and VLT

Voltage [V]

208–230

460–480

575–600

Table 1.3 Discharge Time for VLT

1.3 Fuse/Relay Locations

Enclosure size A

Illustration 1.1 and Illustration 1.2 show the mains, motor, and

relay connection locations for A2, A3, and A5 enclosures.

Illustration 1.2 identifies the fuse locations.

Input/mains connection

Relay connection

Motor connection

Illustration 1.1 A2 and A3 Enclosures (3-phase Only)

Drives,

AQUA Drive FC 202

Power range [kW (hp)]

Minimum waiting

time (minutes)

0.25–3.7 kW (0.3–5 hp)

5.5–37 kW (7.5–50 hp)

0.25–7.5 kW (0.3–10 hp)

11–75 kW (15–100 hp)

0.75–7.5 kW (1–10 hp)

11–75 kW (15–100 hp)

AutomationDrive FC 300

MI92D402