®
VLT
HVAC Drive Operating Instructions
2.
Use the [▲] and [▼] buttons to find the parameter you want to change
3.
Press [OK]
4.
Use [▲] and [▼] buttons to select the correct parameter setting
5.
Press [OK]
6.
To move to a different digit within a parameter setting, use the [◀] and [▶] buttons
7.
Highlighted area indicates digit selected for change
8.
Press [Cancel] button to disregard change, or press [OK] to accept change and enter the new setting
Example of Changing Parameter Data
Assume parameter
22-60, Broken Belt Function
to the folowing procedure:
1.
Press Quick Menu key
2.
Choose Function Setups with the [▼] button
3.
Press [OK]
4.
Choose Application Settings with the [▼] button
5.
Press [OK]
6.
Press [OK] again for Fan Functions
7.
Choose Broken Belt Function by pressing [OK]
8.
With [▼] button, choose [2] Trip
The frequency converter will now trip if a broken fan-belt is detected.
Select [My Personal Menu] to display only the parameters, which have been pre-selected and programmed as personal parameters. For example, an AHU
or pump OEM may have pre-programmed these to be in My Personal Menu during factory commissioning to make on-site commissioning / fine tuning
simpler. These parameters are selected in
If [No Operation] is selected in
If [Coast Inverse] (factory default value) is selected in
Select [Changes Made] to get information about:
•
the last 10 changes. Use the up/down navigation keys to scroll between the last 10 changed parameters.
•
the changes made since default setting.
Select [Loggings] to get information about the display line read-outs. The information is shown as graphs.
Only display parameters selected in par. 0-20 and par. 0-24 can be viewed. It is possible to store up to 120 samples in the memory for later reference.
Efficient Parameter Set-up for HVAC Applications
The parameters can easily be set up for the vast majority of the HVAC applications only by using the [Quick Setup] option.
After pressing [Quick Menu], the different choices in the Quick Menu are listed. See also illustration 6.1 below and tables Q3-1 to Q3-4 in the follow-
Function Setups
ing
section.
Example of using the Quick Setup option
Assume you want to set the Ramp Down Time to 100 seconds!
1.
Select [Quick Setup]. The first
2.
Press [▼] repeatetly until
3.
Press [OK]
4.
Use the [◀] button to highlight the 3rd digit before the comma
5.
Change '0' to '1' by using the [▲] button
6.
Use the [▶] button to highlight the digit '2'
7.
Change '2' to '0' with the [▼] button
8.
Press [OK]
is set to [Off]. However, you want to monitor the fan-belt condition - non- broken or broken - according
par. 0-25 Personal Menu
. Up to 20 different parameters can be programmed in this menu.
par. 5-12 Terminal 27 Digital Input
, no connection to +24 V on terminal 27 is necessary to enable start.
par. 5-12 Terminal 27 Digital Input
par. 0-01 Language
in Quick Setup appears
par. 3-42 Ramp 1 Ramp Down Time
MG.11.A6.02 - VLT
®
is a registered Danfoss trademark
6. How to programme the frequency converter
, a connection to +24V is necessary to enable start.
appears with the default setting of 20 seconds
6
65
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