74
SunTouch Pool and Spa Control System Installation and User’s Guide
Installing the ESO Circuit Board
To access the SunTouch Power Center electronics compartment:
1. Switch the main power OFF to the SunTouch Power Center.
2. Unlatch the front door,
3. Loosen the retaining screw on the front panel. Open the hinged front panel to access the electronics
compartment.
4. Mount the Emergency Shut-off Switch circuit board on the two mounting studs. Secure the circuit
board with the two retaining screws.
5. Connecting relay plugs: Connect the relay cable plugs to the two-pin sockets on the right-side of
the Emergency Shut-Off Switch circuit board. Connect the corresponding relay cable plugs from the
SunTouch motherboard to the left-side of the Emergency Shut-Off Switch circuit board as shown
below. For SunTouch motherboard connections, see page 51.
A
B
C
D
E
F
SHUT OFF
+ -
A
B
C
D
E
F
FILTER PUMP RELAY
CLEANER PUMP RELAY
SOLAR BOOSTER
PUMP RELAY
VALVE ACTUATORS
INTAKE
RETURN
SOLAR
AUX3
PUMP
AUX2
AUX1
VLV A VLV B VLV C
ONLY
ONLY
SOLAR
SOLAR
CLNR
CLNR
EMERGENCY SHUT-OFF CIRCUIT BOARD
SUNTOUCH MOTHERBOARD
POWER RELAYS
AUXILIARY EQUIPMENT
(High-Speed control for
IntelliFlo 4x160)