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Wiring and Schematic Diagrams 

 

!

WARNING

 

To avoid risk of electrical shock, personal injury or death, disconnect power to oven and discharge capacitor  
before servicing, unless testing requires it. 

 

October 2013 

 

16500024 

©2013 ACP, Inc. 

 

7

L1

L2

BL

GN

1

3

4

5

BN

8

9

WH

PK

BK

BK

BN

(C)

(NC)

AC 208/220-240V/60Hz

SINGLE PHASE ONLY

OVEN LIGHT

SM

TOP STIRRER
MOTOR

OL

SM

NOISE FILTER ASSEMBLY

TOP INTERLOCK
MONITOR SWITCH

TOP PRIMARY

INTERLOCK
SWITCH

SECONDARY
INTERLOCK
SWITCH

(CN1)

MAIN PCB

CURRENT
TRANSFORMER

POWER
TRANSFORMER

RY 7

RY1
230V

NOTE:

1.DOOR IS OPENED.

2.WIRE COLOR

SYMBOL

COLOR

BLACK

BROWN

BLUE

GREEN

PINK

RED

WHITE

YELLOW

BK

BN

BL

GN

PK

RD

WH

YL

YL

F

U

SE

BM

OVEN TCO

 

MOTOR

BLOWER

BTM STIRRER
MOTOR 

BTM PRIMARY
INTERLOCK
SWITCH

BTM INTERLOCK
MONITOR SWITCH

TOP MAGNETRON
SEE HV CIRCUIT

BTM MAGNETRON
SEE HV CIRCUIT

MAGNETRON

H

.V

.

C

AP
AC
IT

O

R

H.V.DIODE

CHOKE FILTER

H


C

IR

C

U

IT

 (2
 PL
AC

ES)

RD

WH

BL

WH

BK

BL

BK

BK

WH

BK

RD

WH

BN

GN

BK

(C
)

(N
C

)

BN

208

230

208

230

OVEN LIGHT

OL

6

COM

208

BK

WH

RY2
208V

TAB1

TAB2

BL

BL

RD

RY4
208V

RY3
230V

RY6
208V

RY5
230V

RD

230

COM

COM

BN

BTM MGT
TCO

TOP MGT
TCO

BK

AUTO
VOLTAGE

DETECTION

V/S RELAY 1

H

.V

.

F

U

SE

WH

WH

WH

WH

BK

BK

RY11

RY10

BK

BL

WH

WH

TAB5

TAB4

TAB3

RD

TAB8

TAB7

TAB6

BN

WH

V/S RELAY 2

 

DANGER

!

 

HIGH VOLTAGE 

Содержание MFS18TS

Страница 1: ...e servicing unless testing requires it Models RFS18TS MFS18TS MFS18TSSA Power Source Voltage AC 208 240 VAC 208 240 VAC Amperage Single Unit 20 A 20 A Frequency 60 Hz 60 Hz Single Phase 3 wire grounded X X Receptacle 6 20R BS1363 A Plug 6 20P BS1363 A Power Output Nominal microwave energy IEC705 1800 Watts 1800 Watts Minimum temperature rise T 18ºF 7 7ºC 18ºF 7 7ºC Operating Frequency 2450 MHz 245...

Страница 2: ...towards zero then return to over 5 MΩ If no deflection occurs or if continuous deflection occurs replace capacitor Terminal to Case Infinite resistance Magnetron Discharge Capacitor Remove wires from magnetron and connect ohmmeter to terminals Also check between each terminal and ground Between Terminals Less than 1 Ω Each terminal to ground measures Infinite resistance Note This test is not concl...

Страница 3: ...ite Ω Infinite Ω Indicates continuity Indicates continuity Lamp receptacle Test continuity of receptacle terminals Indicates continuity with bulb installed Wire Harness Test continuity of wires Indicates continuity Electronic Control Panel Service Test Mode Open door Press and Hold pad 3 for 5 seconds to enter service test mode Press Pad 1 Press Pad 2 Press Pad 3 Press Pad 4 Press Pad 5 Press Pad ...

Страница 4: ...nic Control RFS18TS Keyboard assembly 1 2 3 4 5 6 7 8 9 10 11 Continuity is indicated as 100 Ω and below Pad 0 1 2 3 4 5 6 7 8 9 HOLD 0 DEFROST 20 MEDIUM 50 MED HI 70 TIME ENTRY STOP RESET START Trace 1 8 2 8 3 8 4 8 5 8 6 8 7 8 1 9 2 9 3 8 1 10 2 10 3 10 4 10 5 10 6 10 7 10 Measurement Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Co...

Страница 5: ...ts Tab 2 to CN1 Pin 3 208 240 VAC Power from Oven TCO All Conditions Volts CN1 Pin 1 Black wire to ground 208 240 VAC Power to Oven Light Standby Ready Cook Volts Volts Volts CN1 Pin 4 to Pin 1 CN1 Pin 4 to Pin 1 CN1 Pin 4 to Pin 1 208 240 VAC 0 VAC 0 VAC Power to Blower Motor Standby Ready Cook Volts Volts Volts CN1 Pin 5 to Pin 1 CN1 Pin 5 to Pin 1 CN1 Pin 5 to Pin 1 208 240 VAC 0 VAC 0 VAC Seco...

Страница 6: ...NOTE Water temperature should be approximately 60 F 16 C 2 Using the thermometer stir water for five to ten seconds measure and record the temperature T1 3 Place test container of water in the center of oven cavity and close door 4 Heat the water for a 33 second full power cycle NOTE Use a digital watch or a watch with a second hand for ovens with electromechanical timers 5 At end of the cycle rem...

Страница 7: ... 230V NOTE 1 DOOR IS OPENED 2 WIRE COLOR SYMBOL COLOR BLACK BROWN BLUE GREEN PINK RED WHITE YELLOW BK BN BL GN PK RD WH YL YL FUSE BM OVEN TCO MOTOR BLOWER BTM STIRRER MOTOR BTM PRIMARY INTERLOCK SWITCH BTM INTERLOCK MONITOR SWITCH TOP MAGNETRON SEE HV CIRCUIT BTM MAGNETRON SEE HV CIRCUIT MAGNETRON H V CAPACITOR H V DIODE CHOKE FILTER HV CIRCUIT 2 PLACES RD WH BL WH BK BL BK BK WH BK RD WH BN GN B...

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