Merrychef 402s Service & Parts Manual

27
402s Ovens Part. N
o.
32Z3539 Issue 5
CIRCUIT DIAGRAM: Issue 9
NOTES
FUSE VALUE FUNCTION
F2 20A HEATERS CIRCUIT F4 20A MICROWAVE / INTERLOCKS F6 10A CONTROL CIRCUIT F7 10A TRANSFORMER 2 F8 10A TRANSFORMER 1 F9 1A AUX TRANSFORMER 3
HEATER ELEMENTS
650 WATT PER ELEMENT
CAVITY OH STAT 300C / 572F
LHS SW3
SECONDARY
RHS SW2 PRIMARY
RHS SW1
MONITOR
50
13
07
17
18
19
13
50
19
INTERLOCKS
NOTE: SWITCHES
SHOWNINDOOR
CLOSED POSITION
07
28
48
28
F9
29
47
t
o
CAVITY
OH STAT
29
CAVITY STAT AND LOW
VOLTAGE TRANSFORMER
T3
T3
COOLING
FAN
BROWN
BLUE
BLACK
2uF
22
M
24
25
25
24
STIRRER MOTOR LHS
20
21
21
20
M
STIRRER MOTOR RHS
MOTORS
MOTOR SPEED
CONTROLLER
27 26
27 26
MSC
BLUE
BROWN
22
23
23
TERMINAL BLOCK
WVU
BLUE
BLACK
BROWN
GREY
GREY
BLUE 0V
YELLOW 0-10V+
RED 10V+
10
9 8
6 3
CONVECTION
MOTOR
MICROWAVE
MF5
L2
U1
N4 U3
62
63
55 54
RHS
NOTE TAPPING
F7
45
11
11 15
15
MF4
L2
U1
N4 U3
60
61
53
52
LHS
NOTE TAPPING
F8
46
12
12 14
14
T2 T1
LOGIC BOARD
PCB
DISPLAY
MENUKEY
PCB
MEMBRANE
PANEL
SK1
JP13/14
JP19
SW5
DOOR
INDICATOR
10
4
20
CONTROLS
INTER-
CONNECTOR
NOTE: DOOR
SWITCH SHOWN IN
DOOR CLOSED
POSITION
JP15
MSC
JP18
JP20
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16
17 18 19
21 23
25
27 29 31
20 22 24 26 28 30
21
20
25
24 22
23 27
26
30 31
30
31
28
29
6
04 05 06
220 OHMS
11 12 14
15
18
19
18
17
7
13
07
CAVITY SENSOR
MAG LHS SENSOR
MAG RHS SENSOR
RELAY BOARD
T3
16
16
HEATERS MICROWAVE
JP3 JP2 JP1 JP5
11 12
28
1513 14
19 17
54
29 26 27 24 25 22 23 20 21
INTER-
CONNECTOR
F4 F6
F2
49
5
4
35
36
38
40
32
33
MF1
L2
U1
N4 U3
MF2
L2
U1
N4 U3
42
MF3
L2
U1
N4 U3
44
56
51
HEATERS / MAINS SWITCH
SW4
31
30
MAINS ON/OFF
SWITCH SHOWN IN
OFF STATE
34
30
31
50 16
4
5
33 32 35 36 34 38
L3 L2
L1
37
BLACK
WHITE
MAINS IN
MAINS IN
34
33
32
NC
38 35 36
L2 L1
N
37
BLUE
BROWN
MAINS IN
EUROPE/REST OF WORLD
34
33
32
NC
38 35 36
BLACK
NORTH AMERICA
REMOVE WIRE 37 FOR
TWIN PHASE WIRING
TWIN
PHASE
17
18
Part No. 32Z3517
Issue 9
NOTE: USE 208V TAPPING FOR
208V OVEN. ALL OTHER
VOLTAGES USE 230V TAPPING
5
5
6
60Hz HEATER 50Hz HEATER
49 49
57
50Hz OVEN FIT WIRE 57.
CABLE TIE WIRE 4 TO LOOM
49
6

Merrychef 402s Specifications

General

Brand	Merrychef
Model	402s
Category	Microwave Oven
Language	English