Danfoss VLT FC 103 Operating Instructions Manual page 35

Start Up and Functional Tes...
I I llustration 3.19 Set Cut Out/In Value
Illustration 3.20 Choose Pack Control Set-up
Illustration 3.21 Set Number of Compressors in Pack
Illustration 3.22 Info: Connect Accordingly
Illustration 3.23 Info: Setup Completed
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VLT Refrigeration Drive FC 103 1.1-90 kW Operating Instructions
After completing set-up, choose to re-run wizard or start
application. Select between the following options:
Illustration 3.24 Run Application
The Application Guide can be cancelled at any time by
pressing [Back]. The Application Guide can be re-entered
through the Quick Menu:
Illustration 3.25 Quick Menus
When re-entering the Application Guide, select between
previous changes to the factory set-up or restore default
values.
NOTE
If the system requirement is to have the internal pack
controller for 3 compressors plus by-pass valve connected,
there is the need to specify FC 103 with the extra relay
card (MCB 105) mounted inside the frequency converter.
The bypass valve must be programmed to operate from
one of the extra relay outputs on the MCB 105 board.
This is needed because the standard relay outputs in the
FC 103 are used to control the compressors in the pack.
MG16E202 - VLT® is a registered Danfoss trademark
•
Re-run wizard
•
Go to main menu
•
Go to status
•
Run AMA - Note this is a reduced AMA if
compressor application is selected and full AMA if
single fan and pump is selected.
•
If condenser fan is selected in application NO
AMA can be run.
•
Run application- this mode starts the frequency
converter in either hand/local mode or via an
external control signal if open loop is selected in
an earlier screen
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