Ist-Vfc Compatibility Mode Diagrams; Replacement Ecovfc Master; Existing Ist-Vfc Slave - FE PETRO EcoVFC Installation And Owner's Manual

SW2
SW1
Figure 12 – Replacement EcoVFC as Slave in IST-VFC Compatibility Mode
Note: EcoVFC requires rev 1.18 or greater for compatibly mode.
On - IST-VFC Mode
Match SW2 option
settings of removed
IST-VFC Master unit
Match SW3 address
settings of removed
IST-VFC Master unit
Match SW1 Pressure
settings of removed
IST-VFC Master unit
Figure 13 – Replacement EcoVFC as Master in IST-VFC Compatibility Mode
Note: IST-VFC operates with 200-250V, 50-60 Hz, single phase power supply. EcoVFC requires 360-440V, 50-60 Hz,
three phase incoming power supply. If three phase power supply is not available, EcoVFC must be replaced with
MagVFC. MagVFC operates with 200-250V, 50-60 Hz, single or three phase power supply.

IST-VFC Compatibility Mode Diagrams

Existing IST-VFC Master
Software Chip
SW3
RS485
1 2 3 4 5 6 7
-
+
G

Replacement EcoVFC Master

Not used
Not used
in IST-VFC mode
SW6
Not used
in IST-VFC mode
Off - 2HP Motor
SW3
RS485
SW2
SW1
Replacement EcoVFC Slave
On - IST-VFC Mode
Off - 2HP Motor
Match SW2 option
settings of removed
IST-VFC Master unit
Match SW3 address
settings of removed
IST-VFC Master unit
Match SW1 Pressure
settings of removed
IST-VFC Master unit
SW2
SW1
F
G
+
-
Not used
Not used
in IST-VFC mode
SW6
Not used
in IST-VFC mode
SW3
RS485
F
G
+
SW2
-
SW1

Existing IST-VFC Slave

Software Chip
SW3
RS485
1 2 3 4 5 6 7
-
+
G
25