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IntelliFlo VS-3050 Installation and User’s Guide
Connecting IntelliFlo VS-3050 to a SunTouch System
The IntelliFlo VS-3050 can be controlled by a SunTouch system via the RS-485 communication cable
(P/N 350122). To connect the two wire RS-485 cable from the IntelliFlo VS-3050 drive assembly to the
motherboard located in the SunTouch Power Center:
WARNING - Switch OFF main system power to the SunTouch Power Center before making any connections.
To access the SunTouch Power Center electronics compartment:
1. Unlatch the front door of the SunTouch Power Center, and open the door.
2. Loosen the retaining screw on front panel. Open the hinged front panel to access the electronics
compartment.
3. Route the two conductor cable up through the Power Center grommet opening located on the left
side, and up through the low voltage raceway to the motherboard.
4. Strip back the cable conductors ¼ in. Insert the wires into the screw terminals (provided in the kit).
Secure the wires with the screws. Make sure to match the color coding of the wires; Yellow = +DT,
Green = -DT.
5. Insert the connector on the COMPORT (J11) screw terminal on the motherboard.
6. When the connection is completed, close the control panel and secure it with the retaining screw.
7. Close the front door. Fasten the spring latch.
SunTouch Motherboard
Pin 6
(Green)
Pin 7 (Yellow)
IntelliFlo cable pin configuration
Pin configuration
SunTouch
COM PORT (J11)
screw terminal
hcuoTnuS
lanimretwercs
rotcennoc
olFilletnI
)elbaceriw-2(
)NRG(2)6niP(NEERG
)LEY(3)7niP(WOLLEY
VALVE ACTUATORS
COM PORT
INTAKE
RETURN
SOLAR
AUX 3
PUMP
AUX 2
AUX 1
VLV A
VLV B
VLV C
ONLY
ONLY
SOLAR
SOLAR
CLNR
CLNR
GAS
HEATER
RESET
RS-485 communication
cable (P/N 350122)
IntelliFlo
VS-3050
Drive
230 VAC
Power to Pump
J11