4
EASYTOUCH
®
PL4/PSL4 Control System Installation Guide
SHOWN WITH 1
SERIAL COM PORT
EXPANSION
CIRCUIT BOARD
(OPTION)
P/N 520818
EasyTouch PL4/PSL4 Control System Power Center Enclosure (20” H x 17” W x 5¼” D)
(Front view with door and high voltage cover panel removed)
EasyTouch
®
PL4/PSL4 Control System Power Center Enclosure
The EasyTouch PL4/PSL4 Control System Power Center (without circuit breaker base) 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 enclosure should be
installed next to the sub-panel.
GFCI/GFCB
knockout
(approved
rainproof cover
required)
Outdoor Control Panel
(Not shown) /Low voltage
compartment
Outdoor Control Panel
(not shown)
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, 24 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 buss 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
Filter Pump Relay
