Danfoss VLT VLA 31 User manual

MI.58.E3.02 - VLT is a registered Danfoss trademark
VLT


Relay unit for pump controller
VLA 31
Instruction Drives and Controls

MI.58.E3.02 - VLT is a registered Danfoss trademark
2
Relay unit for pump controller VLA 31
Relay unit for pump controller VLA 31
This relay module for VLA 31 is avalilable in IP20.
The connecting drawing on page 2 must be followed.
The DC voltage supply for VLA 31 has been changed
from 15 V to 24 V, and 6 light emitting diodes have
been mounted on the frontplate of the relay module:
■The LED “POWER” lights up, if the supply voltage
is OK and the fuse protecting the DC voltage
supply is intact.
■The LED’s 1-5 light up, when the relays of the
corresponding numbers are energized.
New code numbers
Relay module 190Z4140
Wall mounting brackets 175U0599
Fuse for voltage supply (0.2 A) 984B3002
Fuse for relay protection (5 A) 984B3069
Technical data
Supply voltage 100, 115, 220, 240 V, 50/60 Hz
Voltage supply for VLA 31 24 V ---
Number of relay contacts 5
Max. contact load 250 V ~ , 2 A
Ambient temperature operation -20°C to +40°C
Storage -40°C to +70°C
RFI suppression EN55014
Enclosure IP10 (VBG 4)
Between supply and DC output 3.6 kV ~ for 1 min
Test voltage Across relay contacts 2.5 kV ~ for 1 min
Between terminals and chassis 2.5 kV ~ for 1 min
Weight 1.1 kg
Dimensions
Quick Action
↓↓
↓↓
↓

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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 controller VLA 31
Pressure
transmitter
175U0027

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Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such
alterations can be made without subsequential changes being necessary in specifications already agreed.
© Danfoss A/S (TG-MC) 8.95 DTP L9
MI.58.E3.02