Danfoss Turbocor VTT Series User Manual

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M-SV-VT-001-EN Rev. A
Variable Frequency Drive Components
Table 32 - RS485 Details
Wire Color Terminal Number
Black 61
Green 68
White 69
Red 12
Blue 19
Silver Screw
NOTE
There is an option for customer-supplied cabling, if the colors do not match, make a note of the
terminal number to the color wire.
4.2.3 VFD Control Card
Verication
Apply power to the VFD and verify proper operation via the SMT.
4.2.2 Removal and
Installation
Removal:
1. Isolate the VFD power as described in the “Electrical Isolation of the Compressor/VFD” section of
this manual.
2. Open the front panel of the VFD and locate the plastic housing that is displayed through the
front panel door.
3. Remove the plastic housing so that you can see the metal mounting bracket.
4. Remove the control wiring terminal blocks located at bottom of the VFD Control Card.
5. Remove the four (4) screws that hold metal cradle in to the card holder.
6. Carefully pull the card off the metal retainer bracket. The VFD Control Card has a plug on the
backside that connects it to the ribbon cable.
Installation:
1. Carefully attach card to the retainer bracket. Be sure that the plug on the back of card is inserted
into ribbon cable holder properly.
2. Attach the metal cradle to the front side of the VFD Control Card and secure it with the four (4)
screws and torque to specification.
3. Install the terminal blocks to their original location.
4. Replace the plastic housing back over the 9 pin connector and place gasket around it.
5. Close the door on the panel making sure gasket is in place to ensure a watertight seal.
6. Restore power to the VFD.
Description Nm Ft.Lb. In.Lb.
VFD Control Card Mounting Screws 1 - 10
Table 33 - VFD Card Torque
Specications
4.2.4 Torque
Specications

Danfoss Turbocor VTT Series Specifications

General

Brand	Danfoss
Model	Turbocor VTT Series
Category	Air Compressor
Language	English