Service manual

H10

Remove the front terminal cover to access the connectors.

The UDC terminals are located inside the frequency

converter.

130BC351.10

DC-

DC+

Illustration 6.11 UDC Terminals Location on H10 Frequency

Converter

I7 and I8

Remove the IP54 front cover to access the +/- UDC

terminals, either on the power card MK900 or on MK3 on

the current sensor board.

130BC356.10

Illustration 6.12 +/- UDC Terminals on Power Card

130BC358.10

Illustration 6.13 +/- UDC Terminals on Current Sensor Board

130BC359.10

Illustration 6.14 +/- UDC Terminals on Current Sensor Board -

Close-up View

6.4 Dynamic Test Procedures

NOTE

Test procedures in this section are numbered for reference

only. Tests do not need to be performed in this order.

Perform tests only as necessary.

WARNING

Never disconnect the input cabling to the frequency

converter with power applied due to danger of severe

injury or death.

CAUTION

Take all the necessary safety precautions for system start-

up before applying power to the frequency converter.

Dynamic tests are conducted with the power applied to

the medium power size frequency converter.

Test Procedures

VLT

HVAC Basic Drive Service Manual

52 MG90X202 - VLT

is a registered Danfoss trademark