Danfoss VLT HVAC

1. Use a clamp from the accessory bag to connect the screen to
the frequency converter decoupling plate for control cables.
See section entitled
Earthing of Screened/Armoured Control Cables for
the correct termination of control cables.
130BA681.10
130BA681.10
5.2.13 Switches S201, S202, and S801
Switches S201 (A53) and S202 (A54) are used to select a current (0-20
mA) or a voltage (0 to 10 V) configuration of the analog input terminals
53 and 54 respectively.
Switch S801 (BUS TER.) can be used to enable termination on the RS-485
port (terminals 68 and 69).
See drawing
Diagram showing all electrical terminals in section Electrical
Installation.
Default setting:
S201 (A53) = OFF (voltage input)
S202 (A54) = OFF (voltage input)
S801 (Bus termination) = OFF
NB!
It is recommended to only change switch position at power off.
5 How to Install VLT
®
HVAC Drive Design Guide
104 MG.11.B9.02 - VLT
®
is a registered Danfoss trademark
5