Lux Products P621U operating instructions Stage

Page 13

5, 6 WIRES

CONVENTIONAL (NON HEAT PUMP)

2-STAGE HEATING AND 1-STAGE COOLING

		Factory RH-RC Jumper Wire Installed
O	B	G	Y	RC	RH	W1	A	W2	C
		G	Y		R	W		W2	C
		F	Y1		RH	W1			X
13			6		RC	4			B*
13					V
					V
									O
									P
									T
									I
									O
				SYSTEM COMMON					N
									A
									L
FAN		AIR		SYSTEM 24V			STAGE	STAGE
		AIR		SYSTEM 24V			1	2
	CONDITIONER		TRANSFORMER				1	2
	CONDITIONER		TRANSFORMER				HEATER

#5

NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRAY TERMINAL LETTERS ARE BRAND SPECIFIC

Image 13

Contents

2 1 U Page System Compatibility P621UTools YOU MAY Need FeaturesRemove OLD Thermostat Mounting LocationWiring Information Install Thermostat BaseWiring Diagram Notes With AUX / Emergency Heat Wiring DiagramsIncluding Millivolt 2-WIRE Heat USE RH & W1 HOT Water Heating only STAGE, Cooling only Stage Heating and 1-STAGE Cooling Stage Stage Cooling with TWO Separate 24V Transformers SINGLE-STAGE Heat Pump System Heat / 1-COOL, Heat Pump System Hardware Setup Options Page Front Panel Items Complete the InstallPage Operating Instructions Heat Mode Cool ModePage Temperature Programs Advanced Features 70˚F Set Temperature Swing Setting= Page Page Page Page Software Reset The Software Reset button labeled SW Technical Assistance Battery ReplacementMercury Warning and Recycling Notice Limited Warranty536 P