3
MI.58.E3.02 - VLT is a registered Danfoss trademark
Relay unit for pump controller VLA 31
Electrical connection
Indication of blow of fuses
■
If the built-in 0.2 A fuse (quick action) protecting
the DC voltage supply blows, the LED “POWER”
does not light up though the supply voltage is OK.
■
If the built-in 5 A fuse protecting the relay contacts
blows, all the relay contacts are disconnected.
Relay unit for pump contr
oller VLA 31
Pressure
transmitter
175U0027
