Whirlpool 8177893 Manual de usuario

JOB AID

Part No. 8177893

WHIRLPOOL GAS RANGE

DIRECT SPARK

IGNITION SYSTEM

KR-28

- ii -

WHIRLPOOL CORPORATION assumes no res onsibility for any re air

made on our roducts by anyone other than Authorized Factory Service

Technicians.

FORWARD

This Job Aid, “Whirlpool Gas Rang Dir ct Spark Ignition Syst m,” (Part No. 8177893), provid s

th t chnician with information on th op ration and s rvic of th Dir ct Spark Ignition Syst m.

It is to b us d as a training Job Aid and S rvic Manual.

Th Wiring Diagrams us d in this Job Aid ar typical and should b us d for training purpos s

only. Always us th Wiring Diagrams suppli d with th product wh n s rvicing th unit.

GOALS AND OBJECTIVES

Th goal of this Job Aid is to provid d tail d information that will nabl th s rvic t chnician to

prop rly diagnos malfunctions and r pair th Dir ct Spark Ignition Syst m.

Th obj ctiv s of this Job Aid ar to:

• Und rstand and follow prop r saf ty pr cautions.

• Succ ssfully troubl shoot and diagnos malfunctions.

• Succ ssfully p rform n c ssary r pairs.

• Succ ssfully r turn th Dir ct Spark Ignition Syst m to th prop r op rational status.

- iii -

Table of Contents

SECTION 1 ................................................................................................................................ 1

THEORY OF OPERATION ........................................................................................................ 1

Introduction ........................................................................................................................... 1

Gas Distribution Valv ..........................................................................................................2

Manual Ov n Shutoff Valv .............................................................................................. 3

Bak & Broil Sol noid-Activat d Ports.............................................................................. 4

L.P. Gas Conv rsion.............................................................................................................5

Dir ct Spark Ignition Control ................................................................................................. 7

El ctronic Spark Ignition .......................................................................................................8

Cooktop Burn r Op ration ................................................................................................ 8

Ov n Burn r Op ration..................................................................................................... 9

SECTION 2 .............................................................................................................................. 11

COMPONENT ACCESS .......................................................................................................... 11

R moving Th Dir ct Spark Ignition Control ...................................................................... 11

R moving Th Gas Distribution Valv ................................................................................ 12

SECTION 3 .............................................................................................................................. 13

COMPONENT TESTING ......................................................................................................... 13

Dir ct Spark Ignition Control ............................................................................................... 13

Gas Distribution Valv ........................................................................................................ 17

SECTION 4 .............................................................................................................................. 19

WIRING DIAGRAM & STRIP CIRCUITS ................................................................................. 19

Wiring Diagram ................................................................................................................... 19

Strip Circuits ....................................................................................................................... 20

SECTION 5 .............................................................................................................................. 23

TECH TIPS .............................................................................................................................. 23

Diagnostic Flow Charts ....................................................................................................... 23

PAGE

- iv -

IMPORTANT SAFETY INFORMATION

Your safety and the safety of others is very im ortant.

Important saf ty m ssag s hav b n provid d in this Job Aid. Always r ad and ob y all

saf ty m ssag s.

This is th saf ty al rt symbol.

This symbol al rts you to hazards that can kill or hurt you and oth rs.

All saf ty m ssag s will b pr c d d by th saf ty al rt symbol and th word

“WARNING.”

All saf ty m ssag s will id ntify th hazard, t ll you how to r duc th chanc of injury, and t ll

you what can happ n if th instructions ar not follow d.

GENERAL INFORMATION

IMPORTANT MODEL & SERIAL

NUMBER INFORMATION

Th Dir ct Spark Ignition Syst m is us d on

Whirlpool gas rang s produc d, b ginning

January 3, 2000, S rial Cod RK02. Th Mod l

numb r of th s units will b a “-5” v rsion of

th curr nt G-lin gas rang .

Exampl : SF365PEGQ5

This Dir ct Spark Ignition Syst m will only b

availabl on s lf-cl aning gas rang s.

ELECTRICAL REQUIREMENTS

Th supply voltag is critical for prop r op ra-

tion of th Dir ct Spark Ignition (DSI) Syst m.

Th r quir m nts ar 102 to 132 VAC with th

prop r polarity and ground. If th l ctrical sup-

ply is l ss than 102 VAC, sparking will not b

r liabl . If th syst m is ov r 132 VAC, p r-

man nt damag to th DSI can occur.

NOTE TO TECHNICIAN: Im ro er olar-

ity will cause the direct s ark ignition

system to malfunction. Always check for

ro er olarity at the wall outlet before

re lacing arts.

Prop r polarity must also b suppli d. If th

supply polarity is r v rs d, th DSI control will

not b abl to d t ct th pr s nc of a flam .

R v rs polarity will not aff ct th cooktop op-

ration, but th Bak and Broil burn rs will fail

to r main lit.

A prop r ground is also r quir d. Th DSI con-

trol g n rat s a significant amount of l ctri-

cal nois . This nois is minimiz d by clamp-

ing th nois to ground. If a prop r ground is

not conn ct d, th ERC may p riodically dis-

play “PF,” which m ans that a r s t has oc-

curr d in th ERC.

GAS REQUIREMENTS

Gas supply pr ssur should b a minimum of

7˝ wat r column pr ssur for natural gas, and

11˝ wat r column pr ssur for L.P. gas. How-

v r, th gas distribution valv should main-

tain 4˝ wat r column pr ssur for natural gas,

and 10˝ wat r column pr ssur for L.P. gas.

- 1 -

SECTION 1SECTION 1

SECTION 1

THEORY OF OPERATION

The Direct Spark Ignition System contains a

Gas Distribution Valve and a Direct Spark Ig-

nition (DSI) Control that inter aces with the

Electronic Oven Control, and spark electrodes.

This provides the direct spark ignition and gas

distribution or Whirlpool sel -cleaning gas ree-

standing ranges.

A proper ground and the correct polarity is nec-

essary or the DSI control to sense the pres-

INTRODUCTION

ence o a lame. I the polarity is reversed, or

in some cases i there is a poor ground, the

control will appear to operate normally. How-

ever, a ter an oven burner ignites, the spark

will continue to occur at the burner, and the

valve will then shut o a ter 4 seconds. This is

because the DSI control does not recognize

the presence o a lame when one is present

(see “Monitoring System,” on page 9).

Gas Valve /

Ignition S itch

Broil Burner Ignitor

Broil Burner

Gas Distribution Valve

Bake Burner

Bake Burner Ignitor

Ignitor &

Cooktop Burner

Direct Spark

Ignition Control

Gas Distribution Valve

- 2 -

Gas Distribution Valve

The gas distribution valve can be converted to

L.P. gas, when necessary. It regulates the dis-

tribution o gas to the cooktop and both oven

burners. The gas distribution valve is non-ser-

viceable.

GAS DISTRIBUTION VALVE

The gas distribution valve is made up o the

ollowing eatures:

• Natural & L.P. gas regulator

• Manual oven shuto valve

• Bake & broil solenoids

• Pressure tap - To measure gas outlet

pressure

Pressure Tap

(1/8˝ - 27 N.P.T.)

To Broil Burner

Manual Oven

Shutoff Valve

Electrical

Terminals

L.P. Conversion Cap

Gas Inlet (1/2˝

Female Threads)

To Cooktop

To Bake Burner

- 3 -

When the lever is raised, the gas to the oven

burners is turned on.

Manual Valve Lever

Down (Gas O )

Manual Valve Lever

Raised (Gas On)

MANUAL OVEN SHUTOFF VALVE

A manual oven shuto valve is available on

the gas distribution valve to shut o the gas to

the oven burners. This valve will not a ect the

operation o the cooktop burners. When the

lever is down, the gas to the oven burners is

turned o .

- 4 -

BAKE & BROIL SOLENOID-

ACTIVATED PORTS

The bake and broil gas supply ports are opened

and closed by electrically-operated solenoids.

When voltage is received rom the spark

ignition control or the bake or broil unction,

(8-18 VDC), the solenoid or that unction is

activated, and the valve opens to allow gas

low to the burner. The electrical connections

at the valve consist o three terminals, each

one sized di erently to prevent incorrect wir-

ing (see below).

The solenoids require special voltage/current

(8 - 18 VDC) rom the direct spark ignition con-

trol to operate properly. IMPORTANT: Do not

attempt to operate the solenoids ith any

other voltage supply.

Electrical Terminals:

Broil = 1/8˝ ide

Common = 1/4˝ ide

Bake = 3/16˝ ide

Manual Oven

Shutoff Valve

216 Ω Resistance Across

Each Solenoid Terminal

8 to 18 VDC

NOTE: Al ays check

both solenoids. If either

solenoid is defective,

neither one ill operate.

- 5 -

b)Install the conversion cap on the gas

distribution valve with the L.P. side ac-

ing up (you will see L.P. stamped inside

the cap, as shown).

L.P. Gas

The range is manu actured to use natural gas.

To convert the range to use L.P. gas, the ol-

lowing steps are per ormed:

1. Turn o the gas and electrical supplies to

the range.

2. Remove the storage drawer rom the

range.

3. Locate the gas distribution valve at the

rear o the range. To convert the gas

distribution valve:

a)Unscrew the conversion cap rom the

gas distribution valve. Note the di er-

ence between the L.P. and natural gas

ends o the cap.

L.P. GAS CONVERSION

4. To convert the bake burner:

a)Open the oven door and remove the

oven racks.

b)Use a 1/2" open-end wrench and turn

the ori ice hood down snug onto the pin

(approximately 2-1/2 turns). DO NOT

OVERTIGHTEN THE ORIFICE. The

burner lame cannot be properly ad-

justed i this conversion is not made.

Natural Gas:

Unit is manu actured

or natural gas

L.P. Gas:

Turn down 2-1/2 turns in

this direction

Ori ice Hood

Natural Gas

L.P. Gas

- 6 -

6. To convert the broil burner:

a)Open the oven door and remove the

oven racks.

b)Use a 1/2" open-end wrench and turn

the ori ice hood down snug onto the pin

(approximately 2-1/2 turns). DO NOT

OVERTIGHTEN THE ORIFICE. The

burner lame cannot be properly ad-

justed i this conversion is not made.

Broil Burner

Ori ice

a)Use an 8 mm socket and care ully re-

move the ori ice spud rom each o the

our burners.

b)Install the our L.P. gas ori ices in the

burners.

5. To convert the cooktop burners:

NOTE: The L.P. ori ices or the cooktop burn-

ers are supplied in the literature pack inside

the oven.

Surface

Burner

Orifice

8mm

Socket

7. Reinstall the storage drawer and oven

racks.

Natural Gas:

Unit is manu actured

or natural gas

L.P. Gas:

Turn down 2-1/2 turns in

this direction

Ori ice Hood

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