Pentair P4 Heater Connection Guidelines for Sophisticated Diagnostic, Communication to LX Heaters

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3.4	Heater Connection	3.4.2	Guidelines for Sophisticated Diagnostic
The heater connection section applies to all			Communication to LX Heaters
		1.	Remove the LX GUI from the heater.
heaters or heat pumps with thermostatic circuitry
of 24 VAC or less (see pages 15 thru 17 for brand		2.	Confirm the LX and AquaLink RS software
specific installation).			revisions are compatible (see table).
NOTE	If you are connecting a heater with thermostatic	3.	Run a 4-conductor cable from the LX GUI
	circuitry of 120 VAC or greater, do not connect		red, 4-pin connector to the RS power Center
	to the green, 10-pin Terminal Bar. Instead,		red, 4-pin connector (see Figure 10).
	connect the heater to a high voltage relay in
	the Power Center and plug the spare relay into
		LX Software Revision		AquaLink RS Software
	the Electric Heater relay socket located on the
				Revision
	upper right hand corner of the Power Center
	PCB.	C10, C11 or later		PDA 1.0 or later
3.4.1	Jandy Brand Heater Connections	NOTE	If connecting more than two (2) items to the RS
1.	Connect two #14 gauge wires, designed for		Power Center red, 4-pin connector, a Multiplex
	use in hot environments, to the #1 and #2		PCB is required.

terminals on the green, 10-pin Terminal Bar.

2.	Connect the other ends of the #14 gauge	PDA	GRN YEL BLK RED
	wires from Step 1 to the Fireman's Switch	J-box	4 3 2 1
	terminal bar in place of the factory installed
	wire loop.

3.	Do not disconnect high limit or pressure	OPTIONAL
	switches.
4.	Turn the heater thermostat(s) to maximum

	setting.		4-Conductor
5.	Turn the heater switch to the ON position.		Wire
			RS Power
	For dual thermostat heaters turn switch to		Center
	Spa position.
Green 10-pin		#14
	Terminal Bar	Gauge
		Wire

1	RED
2	BLK
3
	YEL
4
	GRN

Heater Toggle
Switch To On	LX GUI

Power Center PCB/Bezel

Factory	Figure 10. LX Heater Connection to Power Center
	Heater

Installed	Thermostat To	3.4.3 Other Brands Heater Connections
Wire Loop	Max.	To set up heater connections on heaters
	Heater	manufactured by Hayward, Pentair, and Raypak,
		please refer to the Installation Manual provided
Terminal 1	Wiring
		with these heaters.

Terminal 2

Heater Fireman's Switch

Connection

Figure 9. Lite2 Heater Connection