EASYTOUCH
®
PL4/PSL4 Control Systems Installation Guide
EASYTOUCH
®
PL4/PSL4 Control Systems Installation Guide
11
Connecting the System Relays
The EasyTouch PL4/PSL4 Control Systems Power Center includes three pre-installed relays (Filter
Pump, AUX1, AUX2, AUX3). To connect the pre-installed relay cable plugs to the EasyTouch PL4/
PSL4 Control Systems circuit board:
• Route each of the power relay cable plugs up into the low voltage compartment to the
EasyTouch PL4/PSL4 circuit board. See illustration on page 5.
Insert the relay plugs into the two-pin sockets on the circuit board, beginning with
FLTR
PUMP
, then
AUX1
,
AUX2
, and
AUX3
. For the actuator two-pin socket locations, see below.
For the EasyTouch PL4/PSL4 Control Systems wiring diagram, see page 31 or the Power
Center front door inside panel.
Optional relay positions
Auxiliary relay locations
Note:
Install the optional Two-Speed Pump relay (P/N 520198) cable plug into the 2SPD two-pin socket
on the EasyTouch PL4/PSL4 Control Systems circuit board. For installation and operation information,
refer to the Two-Speed Relay User’s Guide (P/N 520210).
SHOWN WITH 1
SERIAL COM PORT
EXPANSION
CIRCUIT BOARD
(OPTION)
P/N 520818
FILTER
AUX1
AUX2
AUX3
PUMP
