Rheem Commercial Power Direct Vent Water heater Fy Proper Operation After Servicing

Wiring and Schematic Diagrams

NOTICE: If any of the original wire as supplied	L1
with this appliance must be replaced, it MUST be

replaced with 18 GA., 600V, 105°C wire or its equiv- alent, unless otherwise noted.

NORMAL OPERATION SEQUENCE
INDICATED BY BOXED NUMERALS		L2
	120V
2		3
R	M	BLOWER

THERMOSTAT

AND

LIMIT

BR-2 BR-3

BL-4

Y2

BLOWER

	W
	GR/YL
	BK
		BK3
Y6
NC	Y-5	C NC
C
PS2		NO
	PS1

PV

PV

MV

MV

BL-4

BR-3

BR-4

120V

	3 4				L1	L2
	BR- BR-
					BLACK
				SWITCH	WHITE
					ON	TRANSFORMER
	-1				OFF
	R
				W4	BK-2
					Y-2
					G2
						GY-5
	1		3			IGNITION CONTROL
		RELAY			MV
	4		6			MV/PV PV GND GND 24V
Y7	5		2

BL6

R8

BR-1

BR-3

BL-2

W-1

ANY REPLACEMENT WIRE

MUST BE RATED FOR 250°C.

LED

INDICATORS

POWER

THERMOSTAT

IGNITION

PILOT VALVE

ECO

MAIN VALVE

Y-3

GRAY

GY-1

R-3

BL-5

GY-2

R-3

BL-5

GY-1

PILOT

ELECTRODE ASSY.

		24V
		POWER
		LED
			IGNITION
			LED
1			4
THERM.		N.C.S.W.
		R
		THERMOSTAT LED
IGNITION		MAIN VALVE LED
CONTROL
			6
GND	MV		MGV
24	MV/PV	LIMIT	5
			PGV
	PV
	GND		ECO LED
			PILOT VALVE
			LED

5IGN.

GAS VALVE

CONNECTION DIAGRAM

SCHEMATIC

!CAUTION! Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. VERI-

FY PROPER OPERATION AFTER SERVICING!

Figure 14. — Diagrams for units supplied with HoneywellVR8304P orVR8304M GasValve and Honeywell S8600M Ignition Control.

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