79
SunTouch
®
Control System Installation and User’s Guide
Installing the ESO Circuit Board
To access the
SunTouch
®
Control System
Power Center electronics compartment:
1. Switch the main power OFF to the
SunTouch
®
Control System
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 Control System
motherboard connections, see page 53.
A
B
C
D
E
F
SHUT OFF
+ -
A
B
C
D
E
F
FILTER PUMP RELAY
CLEANER PUMP RELAY
SOLAR BOOSTER
PUMP RELAY
VA
LVE A
CTU
AT
ORS
INT
AKE
RETURN
SOLAR
A
UX3
PUMP
A
UX2
A
UX1
VL
V A
VL
V B
VL
V C
ONL
Y
SOLAR
CLNR
EMERGENCY SHUT-OFF CIRCUIT BOARD
SUNTOUCH® CONTROL SYSTEM
MOTHERBOARD
POWER RELAYS
AUXILIARY EQUIPMENT
(High-Speed control for
IntelliFlo 4x160)
Emergency shut-off
circuit board
Mounting
studs
Safety Notice: Important Safety Instructions - When installing and using this electrical equipment, basic
safety precautions should always be followed. Before installing the Emergency Shut-Off Switch, read all
safety information on page i through iv.
SunTouch
®
Control System Power