Multipump Control; Example Of System Configuration - GE VAT2000 Instruction Manual

B44-0~3

Multipump control

Multi-pump control refers to operating up to six pumps in one water system, one pump is
variable speed controlled and up to five more controlled ON/OFF by the digital outputs
provided in the VAT2000. The water pressure in the pipe system is controlled to be constant
according the setting input in the VAT2000´s PID.
As standard the drive provide control up to 3 ON/OFF controlled pumps. By using optional card
U2KV23RYO, then operation is allowed up to 5 pumps
P re ssu re
FS V o r FS I
settin g
6. Control Functions and Parameter Settings
VAT2000
P ID
U 2 K V 2 3R Y O
P re ssu re fe ed ba ck (A U X o r F S I)

Example of system configuration

(when operating five ON/OFF control pumps)
U ,V,W
P S O 1
O N / O FF P u m p 1
P S O 2
O N / O FF P u m p 2
P S O 3
O N / O FF P u m p 3
P S O 4
O N / O FF P u m p 4
P S O 5
O N / O FF P u m p 5
0 -10 V o r 4 -20 m A
6-49
S p ee d co ntrolle d
P u m p
C o nverter