19
INTELLIPRO
®
2 VST Variable Speed Pump Installation and User’s Guide
The IntelliPro
®
2 VST Variable Speed Pump can be
controlled by a SunTouch
system via the RS-485
communication cable.
To connect the pump RS-485 communication cable
to the SunTouch control system circuit board:
1. Unlatch the front door of the SunTouch system
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 cables up through the
power center grommet opening located on the
left side, and up through the low voltage raceway
to the motherboard.
V
A
LVE A
CTU
A
T
ORS
COM PORT
INT
AKE
RE
TURN
SOLAR
A
UX 3
PUMP
A
UX 2
A
UX 1
VL
V A
VL
V B
VL
V C
ONL
Y
SOLAR
CLNR
GAS
HEATER
RESET
RS-485 Communication
Cable (P/N 350122
)
Pump
Drive
230 VAC Power to Pump
J11
Connecting to a SunTouch
®
Control System
4. Strip back the cable conductors 6 mm (1/4”).
Insert the wires into the screw terminals
(provided). Secure the wires with the screws. Be
sure to match the color coding of the wires;
YELLOW to YELLOW and GREEN to GREEN.
5. Insert the connector on the COMPORT (J11)
screw terminal on the SunTouch system circuit
board.
6. Close the control panel and secure it with the
retaining screw.
7. Close the front door. Fasten the spring latch.
Switch OFF main system power to the SunTouch
system power center before making any
connections.
SunTouch Control System Circuit Board
