4
SHOWN WITH 1
SERIAL COM PORT
EXPANSION
CIRCUIT BOARD
(OPTION)
P/N 520818
EasyTouch PL4/PSL4 Control Systems Power Center (20” H x 17” W x 5¼” D)
(Front view with door and high voltage cover panel removed)
EasyTouch
®
PL4/PSL4 Control Systems Power Center
The EasyTouch PL4/PSL4 Control Systems Power Center (without sub-panel) should be installed at the
equipment pad. AC power to the Power Center is provided from the an electrical circuit breaker panel
(sub-panel) installed at the equipment pad. The Power Center should be installed next to the sub-panel.
GFCI/GFCB
knockout
(approved
rainproof cover
required)
Low voltage
compartment
EasyTouch PL4/PSL4
Control System
Control Panel
Auxiliary,
(1-3) relay locations
with additional four
relays or
2-Speed Pump relay
(optional)
Low voltage raceway
(Air and water
temperature sensors,
motorized valves, indoor
control panel, spa side
remote, and wireless
antenna)
System
transformer.
120VAC,
2.5A,
240VAC,
1.3A,
50/60 Hz
Door spring
latch
3 AMP Low
voltage Control
system circuit
breakers
(12 VAC, 18 VAC,
Enclosure conduit knock-
outs (see page 7): 1¼”,
1”, ¾” and ½” conduit
knockouts (lower and rear)
for high voltage output. 1”
conduit knockout (lower)
for high voltage input
Ground bar
Bonding lugs (two each)
No.8 AWG (US) or No.6
AWG (Canada)
Optional Serial COM Port Expansion Board
(Brackets support two boards)
Power Center front door
High voltage
cover panel
