Amana ALG643RA Series Manual

Amana Domestic Gas DryerTechnical Information
September 2002 16021968 Rev. 0
(This technical sheet replaces RT3210006 Rev. 2.)
1
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.)
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
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
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
Continuity < 1 Ω
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

X


L1-2

X
X
X
L1-3
X



L1-4


X

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.)
3
Illustration Component Test Procedure Results
1 - 3
45
4
5
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.)
4
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
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO

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.)
5
R
R
S
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
G

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.)
6
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
5
ORG-18
GAS
WHT-18
ORG-18
BLU-18
WHT-18 3
4
2 1
BLU-18 SENSOR
RECEPTACLE
PLUG
ORG-18
BLU-18
1
1
2
2
4
4
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
5
5
6 6
G
G
GRN/YEL-18
BLOCK BRACKET
BLK-18 WHT-18
VIO-18
VIO-18
SIGNAL
BLK-22
WHT-18
RED-18
RECEPTACLE
DOOR SWITCH
PLUG
1
RED-18
2 3
PNK-18
TIMER MOTOR
BLK-22
RED-18
TIMER
RED-18
B
T
L1
REG/DR Y
AUTOMATIC
WRINKLE OUT
AUTOMATIC
TIME
DRY
O
F F
O F F
HEATER
THERMOSTAT
FABRIC SELECTOR
CYLINDER LIGHT PNK-18
LIMIT
THERM.
JUMPER WIRE
SUPPLIED WITH TIMER
THERM.
PNK-18
CYCLING
VIO-18
PNK-18
3
1
2
A X M H
S
START
GRY/BLK-18
PUSH TO
AUTOMATIC
PERM PRESS/KNITS
O F F
O
F F
ORG-18
GRY/BLK-18
TIMER KNOB
TUMBLE SWITCH SWITCH
N
BLU-18
HOUSING
GROUND
BASE
TO
GROUND
BLK-18
2143L1-3 NO HEAT
RESISTOR
VIO-18
REGULAR
PERM PRESS
DELICATE
L1-2
L1-4-2 L1-1-2
ORG-18
L1
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.)
7
L1 T B
THERMOSTAT CYCLING
A
CYLINDER LIGHT
1
SCHEMATIC
PUSH
TO
START
TIMER
S
TUMBLE SWITCH
SIGNAL
MXH
4
SELECTOR
SWITCH
FABRIC
L1
3 2
L1
COIL
TM
5
N
RESISTOR
560 3W
THERMOSTAT
HEATER
COIL
BOOSTER
MOTOR
MAIN
START
TP 4
61
2
IGNITOR
T-STAT
LIMIT
13
2
COIL
SECONDARY
HOLDING
120 VAC
DOOR
SWITCH
SENSOR
(NO)
3
(NC)
2
(COM)
1
N
PARTNO. 40012104