A.O. Smith Water Heater installation instructions Yes

Does pilot light go out when LNO.d_l			Check	Draft.	(See	Checkingthe	L
Ibutt°n is released_	r	-_Draft		section	of this manua.,
YES
"_	.		iAre the wires from the gas				• iSecure connections
Has the thermal switch	_NO	m_.[	contro_ valve/thermostat firmly				iNO _Jan d attempt a relight.
tripped?	i	_'i	connected		to the	switch?
YES					YES
					÷
			Are the wires			damaged	NO -IV }connectionJoose?		NO
						_		p
			and/or		frayed?		ilsthetherm°couple
							YES
					YES
					!		[Tighten the connection		J

Test the thermoeouple using the followingI

procedure: Disconnect the thermocouple from the' gas control valve/thermostat. Using a multimeter with alligator clip leads, attach the red lead to

the body (copper part) of the thermocouple,

_,ttach the black lead to the end (silver part) of :he thermocouple that connects to the gas control valve/thermostat. Fol}ow the instruction to light

the pilot and watch the voltage readings on the multimeter, After 45 seconds the meter should

read 12 millivolts DC or more.

Replace the gas control

Check for insufficientva ve/thermostat._YES _Does the thermocouple pass the test. pNO ii_ combustion air.

!,

ate there openings for make-up air to

enter the room?

YES

÷

IInstall correct size make-up air openings per

NO _lthe Combustion Air Supply and Ventilation section in this manual.

ate the openings of sufficient size?											i
See Combustion Air Supply					and Ventilation	NO _	lallow	sufficient air.
section in this manual for requirements.						_	iCorrect		size of openings		to
YES
nNO -Ihandler	in the same room			as
7ilsthere	a	furnace/air			I
the water		heater?
YES
Does the return air duct for					the furnace/air	handler			iContact	a local	Heating, Ventilation, Air-
draw its air from a separate Ioeation than the water							-.NO	_	Conditioning & Refrigeration authorized
heater?	See		the Location	Requirements section and the
									service	prov def.
Combustion			Air Supply section.

YES

ls there proper drafting at the Idraft hood? See Checking the

Draft section in this manual.

YES

NO mil_Jterminati°n height. Refer to the Installation Instructions section of this

ICheck the vent system for restrictions!obstructions and check the vent I w" ]manual for specific requirements.

Is the flame-arrestor

free

from

•

I Refer

to the Use

& Care

Guide section of this manual for

debris due

to excessive

lint, dirt, iNO

_

information on cleaning

the

flame-arrestor.

dust or_oil?

"1

YES

te

it ma

be

u

i Check the water heater

for a Flammable

Vapor (FV) event. No

: '

y

I

Inecessary

to remove the manifold

door assembly

to visually

inspect

the water

I

I heater. Reference

the Maintenance

of your

Water

Heater section

of this

manual

I

for removal

instructions.

[

I

I i

$

lie the igniter wire insulation burnt or

show signs of discoloration?

YES

/•lls the pilot tube rNO _ldamaged?

YES

Does the flame-

u.I arrestor show signs _NO up)'I of discoloration and/

/lot debris:

YES

I	,!,
	}Shut-off the gas supply to the water
	IL qheater at the manual gas shut-off valve,
	• Ithen contact Residential Technical
	JAssistance by referencing the phone
	number on the front of the water heater.

31