59
SunTouch
®
Control System Installation and User’s Guide
Installing relays (Continued)
Standard relay (Location 3): Position the relay (coil facing upward) on top of the mounting studs.
Align the relay anges with the screw holes. Using a 1/4 in nut driver, secure the relay in place with
the two retaining screw.
2-Speed Relay (location 3): Position the relay bracket on top of the mounting studs. Align the
bracket with screw holes. Using a 1/4 nut driver, secure the bracket with the two retaining screws.
Insert the relay (coil facing to the right-side) into the relay bracket and snap in place.
2. Route the relay cable into the slot between the low voltage compartment and the transformer
compartment to the SunTouch
®
Control System motherboard.
Note: If there is an Emergency Shut-Off Switch (ESO) circuit board installed in the SunTouch
Control System Power Center, connect the relay wires to the ESO circuit board. For more
information, see “Emergency Shut-Off Switch Installation,” on page 73.
3. Connect the relay plugs onto the PUMP, AUX 1 or AUX 2 two-pin socket on the motherboard.
2-SPEED RELAY CONNECTION: The 2-Speed relay cable plug is connected to AUX 3 which controls the pump’s
high speed output. The AUX 3 circuit output can only be used to control the following: 2-Speed pump relay,
one of the four speeds (RPM) of an IntelliFlo
®
VS Pump or the ow rate (GPM) of an IntelliFlo VF Pump.
For installation and operation information, refer to the Two-Speed Relay User’s Guide (P/N 520210).
Note: The IntelliChlor
®
Salt Chlorine Generator and IntelliFlo Pump does not require a relay
connection, it connects to the COM Port (J11) connector on the SunTouch Control System
motherboard.
Note: For SunTouch Control System motherboard wiring connections, refer to “SunTouch Control
System Motherboard Connections,” on page 53.
Mounting studs for relay screws
Brack-
Insert 2-Speed
relay into
bracket
Mounting studs for
relay screws
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