Rheem Commercial Power Direct Vent Water heater installation instructions Pilot Valve Led

“System Sentinel”Troubleshooting Guide

Section 4... the “PILOT VALVE” LED

NO		Is the“PILOT VALVE”LED Illuminated?			YES
Is the Spark Ignitor operating?					The Ignition Control Module is in
	YES		Is the Pilot Flame burning?		the Ignition sequence, and is pro-
(Can sparking be heard?)
					viding 24 VAC power to the ECO
			YES	NO	(Energy Cut-Off Device) inside of
					theThermostat

NO

The System Sentinel Panel is defective and must be replaced.

1. Remove Ignition Cable and check for good conti-
nuity, replace if necessary.
2. Check Ignitor Electrode gap for proper spacing
(1/8”to 5/32”). Correct if necessary.				Is 24 VAC present between the Brown				wire on “PV”			YES
3. Examine Ceramic		Insulator on Pilot Assembly	YES	Terminal and White wire on “PV/MV”				Terminal on
for cracks. Replace if cracks are evident.				the Gas ControlValve?
Is 24 VAC present between the Brown wire on “PV”
Terminal and Gray Ground wire on Ignition Control							YES
Module?				NO					I	s
									the inlet gas pres-
									sure at or below the
					Gas Control Valve				maximum as speci-
									fied on the rating
					is inoperable and must				plate?
	NO				be replaced
Is the“IGNITION”LED illuminated?				Is the “ECO” LED
				illuminated?
YES		NO		YES		NO
			Check continuity of Brown wire
			between ECO Device (inside of Ther-
Ignition	Control Module		mostat), and “PV” Terminal on Gas
is inoperable and must be			ControlValve. Repair or replace wire as
replaced.			needed to restore power to “PV”Termi-
			nal on gas valve.
Refer to Section 3...the“IGNI-				Refer to Section 5...the“ECO”LED in
	TION”LED in theTroubleshooting Guide			theTroubleshooting Guide

!CAUTION

Label all wires prior to disconnection when servicing controls.Wiring errors can cause improper and dangerous operation. VERIFY PROP-

ER OPERATION AFTER SERVICING!

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