Amana ALG643RA Series Manuel

Amana Domestic Gas DryerTechnical Information

September 2002 16021968 Rev. 0

(This technical sheet replaces RT3210006 Rev. 2.)

120 V, 60 Hz Models

ALG643RA* PALG643RA* ALG643RM* PALG643RM*

ALG643RB* PALG643RB*

• Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or

repair of this unit.

• This technical sheet replaces RT3210006 Rev. 2.

• Refer to Service Manual RS3200007 for detailed installation, operating, testing, troubleshooting, and disassembly

instructions.

• Refer to Parts Manual RP3200025 and RP3200021 for part number information.

CAUTION

All safety information must be followed as provided in this Technical Sheet and in Service Manual RS3200007.

WARNING

To avoid risk of electrical shock, personal injury, or death, disconnect power to dryer and shut-off gas supply

before servicing, unless testing requires it.

Models ALG643R* Models ALG643R*

Power Source Temperature settings 4

Voltage AC 120 VAC Color coded control Electromechanical

Bi-directional

Amperage (minimum requirement) 15 A Features

Amperage (maximum load) 7 A Easy AccessOpening X

Frequency 60 Hz Reversible door X

Motor horsepower 1/3 Upfront lint filter X

Dimensions Front serviceable X

Cabinet FabriCaresystem X

Height−overall 43” Adjustable signal X

Height of cabinet 36” Drum light X

Width 27” Extended tumble cycle X

Depth 28” Stainless steel drum X

Clearance−dryer door 23 1/2”

Weight

Crated 145 lbs.

Component Testing Information

WARNING

To avoid risk of electrical shock, personal injury, or death, disconnect power to dryer and shut-off gas supply

before servicing, unless testing requires it.

16021968 Rev. 0 September 2002

(This technical sheet replaces RT3210006 Rev. 2.)

Illustration Component Test Procedure Results

Thermostat limit

S.P.S.T. −2 terminals

Measure resistance of the following

terminals:

Terminals 1 −2 ..................................

Open at 225°F ±7°F

Close at 215°F ±10°F

Continuity < 1 Ω

Thermostat cycling

S.P.D.T. −3 terminals

Measure resistance of the following

terminals:

Terminals 1 −3...............................

Heat thermostat with a small flame

until a distinct click is heard.

Terminals 1 −2...............................

Open at 153°F ±5°F

Close at 138°F ±5°F

Continuity < 1 Ω

Thermostat heater Disconnect wire terminals and

measure resistance of terminals.

Terminal to terminal ..........................

2400 ±240 Ω

Door switch

1 −COM

2 −N.C.

3 −N.O.

Measure resistance of the switch:

Door closed

Terminals 1 −3...............................

Door opened

Terminals 1 −2...............................

Continuity < 1 Ω

Rocker switch

(Extended Tumble)

*−Indicates color

Measure resistance of switch

positions:

ON (Closed position) ....................

OFF (Open position)......................

Continuity < 1 Ω

Infinite > 1 MΩ

Adjustable buzzer Measure resistance of the switch in

the following positions:

Off................... A −Open..................

Low................. A −1 ........................

Medium........... A −2 ........................

High ................ A −1 −2 ..................

Infinite > 1 MΩ

Continuity < 1 Ω

Fabric selector

4 position switch

Place switch in the positions indicated

in the chart.

Measure resistance of the terminals

indicated.

X indicates continuity

Fluff

Delicate

Perm

Press

Regular

L1-1



L1-2



L1-3



L1-4



Timer Verify input and output voltage is

present.

See specific Wiring Diagram for timing

sequence chart.

Sensor Remove wires from sensor terminals

Terminal to terminal ..........................

Any indication other than 0 Ω, replace

sensor.

0 Ω

Igniter Measure resistance of the following:

Terminal to terminal ..........................

45 −200 Ω

Component Testing Information

WARNING

To avoid risk of electrical shock, personal injury, or death, disconnect power to dryer and shut-off gas supply

before servicing, unless testing requires it.

September 2002 16021968 Rev. 0

(This technical sheet replaces RT3210006 Rev. 2.)

Illustration Component Test Procedure Results

1 - 3

123

Gas valve

SENSOR

SECONDARY

COIL

HOLDING

COIL

BOOSTER

COIL IGNITOR

Measure resistance of following coils:

Holding coil

Terminals 1 and 2 ..........................

Booster coil

Terminals 1 and 3 ..........................

Secondary coil

Terminals 4 and 5 ..........................

1365 Ω±25 Ω

560 Ω±25 Ω

1220 Ω±50 Ω

Motor See “Internal Motor Diagram and

Schematic” section.

See following section “Internal Motor

Diagram and Schematic” for correct

wiring contacts.

Belt Verify belt is not damaged or slipping. Wipe any excess oil from cylinder, motor

pulley, and belt, to prevent slippage.

Replace belt if damaged.

Power cord Measure resistance of wires. Continuity should be indicated on each

wire.

Cylinder seal Verify air leakage is not present around

cylinder seal.

Replace seal, if indication of leakage.

Cylinder glide Verify glides are not damaged. Replace all glides when replacing any

glides.

Burner Verify proper operation. Replace if operation of burner is altered.

Internal Motor Diagram and Schematic

WARNING

To avoid risk of electrical shock, personal injury, or death, disconnect power to dryer and shut-off gas supply

before servicing, unless testing requires it.

16021968 Rev. 0 September 2002

(This technical sheet replaces RT3210006 Rev. 2.)

Unplug motor wire terminal from

motor before starting this test.

Continuity exists between switch

terminal 5 and Black wire.

Manually depress actuator.

Continuity broken between

switch terminal 5 and Black wire.

Continuity exists between switch

terminal 6 and Yellow wire.

Manually depress actuator.

Continuity broken between

switch terminal 6 and Yellow wire.

Continuity broken between switch

terminal 1 and switch terminal 2.

Manually depress actuator.

Continuity exists between switch

terminal 1 and switch terminal 2.

Motor switch checks OK.

Inoperative start switch.

Replace switch.

Inoperative start switch.

Replace switch.

Inoperative start switch.

Replace switch.

Start

Terminals

NOTE: Disconnect

Yellow wire from

motor switch

before testing

start terminals.

Run

Terminals

NOTE: Reconnect

Yellow wire to

motor switch

before testing

run terminals.

Heater Circuit

Terminals

YES

Internal Motor Diagram and Schematic

WARNING

To avoid risk of electrical shock, personal injury, or death, disconnect power to dryer and shut-off gas supply

before servicing, unless testing requires it.

September 2002 16021968 Rev. 0

(This technical sheet replaces RT3210006 Rev. 2.)

26 4 3 5 1

MAIN

START

ORANGE

CUSTOMER CIRCUIT

OVERLOAD

PROTECTOR

BROWN

BLACK

YELLOW

PUSH TO

START

LINE

SWITCH SHOWN IN START POSITION

R.S.P.C.

26 4 3 5 1

Wiring Diagram and Schematic

WARNING

To avoid risk of electrical shock, personal injury, or death, disconnect power to dryer and shut-off gas supply

before servicing, unless testing requires it.

16021968 Rev. 0 September 2002

(This technical sheet replaces RT3210006 Rev. 2.)

PART NO. 40012104

ORG-18

GROUND TO TERMINAL

WHT-18

BRN-18

YEL-18

GRN/YEL-18

CONNECTION DIAGRAM

RIDGED LEAD

RIBBED OR

GROUND TO TERMINAL

BLOCK BRACKET

GRN-18

LEAD-IN

CORD IGNITOR

MOTOR

VALVE

ORG-18

GAS

WHT-18

ORG-18

BLU-18

WHT-18 3

BLU-18 SENSOR

RECEPTACLE

PLUG

ORG-18

BLU-18

NUMERALS FOLLOWING

INDICATE WIRE GAUGE

COLOR MARKINGS

"Caution: Label all wires prior to

Wiring errors can cause improper and

disconnection when servicing controls.

"Verify proper operation after servicing"

dangerous operation."

TO TOP

GRN/YEL-18

BLOCK BRACKET

BLK-18

WHT-18

VIO-18

SIGNAL

BLK-22

WHT-18

RED-18

RECEPTACLE

DOOR SWITCH

PLUG

RED-18

PNK-18

TIMER MOTOR

BLK-22

RED-18

TIMER

RED-18

REG/DR Y

AUTOMATIC

WRINKLE OUT

AUTOMATIC

TIME

DRY

HEATER

THERMOSTAT

FABRIC SELECTOR

CYLINDER LIGHT PNK-18

LIMIT

THERM.

JUMPER WIRE

SUPPLIED WITH TIMER

THERM.

PNK-18

CYCLING

VIO-18

PNK-18

START

GRY/BLK-18

PUSH TO

AUTOMATIC

PERM PRESS/KNITS

ORG-18

GRY/BLK-18

TIMER KNOB

TUMBLE

SWITCH SWITCH

BLU-18

HOUSING

GROUND

BASE

GROUND

BLK-18

2143L1-3 NO HEAT

RESISTOR

VIO-18

REGULAR

PERM PRESS

DELICATE

L1-2

L1-4-2

L1-1-2

ORG-18

BRN-18

GRY-18

WARNING

Failure to install, maintain, and/or operate this

machine according to manufacturer's

instructions may result in conditions which can

produce bodily injury and/or propertydamage.

FOLLOWING PATENTS:

CANADIAN NO:

THIS MACHINE MANUFACTURED

UNDER ONE OR MORE OF THE

UNITED STATES NO: 5,113,562

OTHER PATENTS PENDING

5,257,448

Wiring Diagram and Schematic

WARNING

To avoid risk of electrical shock, personal injury, or death, disconnect power to dryer and shut-off gas supply

before servicing, unless testing requires it.

September 2002 16021968 Rev. 0

(This technical sheet replaces RT3210006 Rev. 2.)

L1 T B

THERMOSTAT

CYCLING

CYLINDER LIGHT

SCHEMATIC

PUSH

START

TIMER

TUMBLE

SWITCH

SIGNAL

MXH

SELECTOR

SWITCH

FABRIC

COIL

RESISTOR

560 3W

THERMOSTAT

HEATER

COIL

BOOSTER

MOTOR

MAIN

START

TP 4

IGNITOR

T-STAT

LIMIT

COIL

SECONDARY

HOLDING

120 VAC

DOOR

SWITCH

SENSOR

(NO)

(NC)

(COM)

PARTNO. 40012104

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