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120V CONTROLS
1
SW
OFF
ON
51
3
CB
START
2CR
1CR
STOP
3
4
5
6
8
7
TB1-7
TB1-6
1M
98
TB1-2
8
3CR
4
16
TB1-21
19
2CR
4
TB1-5
3
3
TB1-8
3
4
29
TB1-18
TB1-24
30
TB1-17
31
TB1-3
3
32
TB1-16
TB1-25
CUSTOMER TO SUPPLY RATED VOLTAGE/PHASE/Hz,
REV.
AS SPECIFIED PER ORDER,TO DISCONNECT SWITCH.
ALL POWER SUPPLIED TO EACH CONNECTION POINT
MUST COMPLY WITH ALL LOCAL ELECTRIC CODES.
J.MCALLISTER
DR.BY
SCALE
DATE
SHEET
1
OF
1
23OCT03
2
3
SEE NOTE 1
3CR
5CR
1MOL
70
10
11
TB1-15
TB1-22
PRIME
97
4CR
15
4
22
TB1-19
SET FOR 5 SECONDS
WT
6CR
3
CLUTCH
23
1
7
M
3
8
OFF DELAY
SET FOR 5 SECONDS
RT
7CR
3
26
CLUTCH
1
7
M
3
8
OFF DELAY
DESCRIPTION
DATE
BY
3
PL
TB1-12
TB1-11
14
2A
1M
IF USED
2MOL
3MOL
4MOL
12
13
99
14
2M
2
3M
4M
(IF USED)
98
2
TKL
15
2B
TB1-9
TB1-10
97
2C
TB1-14
TB1-26
2D
TB1-20
2F
TB1-20
2E
TB1-4
22
1CR
2
4
2
6
25
2
5
2CR
2
4
2
6
2
28
5
3CR
2
29
4CR
2
30
2
5CR
2
31
6CR
2
32
7CR
REV.
DESCRIPTION
DATE
TO CUSTOMER
DISCONNECT SWITCH
!!!!!! WARNING !!!!!!
FUSED FOR 15A MAX. AT
MULTIPLE POWER SOURCES ARE PRESENT
440/60/3.
IN THIS CABINET. DISCONNECT ALL POWER
SOURCES PRIOR TO SERVICING.
L1
L2
L3
GND
1MOL
1M
L1
42
33
L2
43
34
DRIVE
MOTOR
L3
44
35
2MOL
2M
L1
45
36
L2
46
37
WASH
L3
47
38
MOTOR
3MOL
3M
L1
48
39
L2
49
40
RINSE
MOTOR
L3
50
41
4MOL
4M
L1
51
54
L2
52
55
MRA
MOTOR
L3
53
56
L1
L3
FU1
FU2
P1
P2
440V
T1
120V
1
2
!!!!!! WARNING !!!!!!
MULTIPLE POWER SOURCES ARE PRESENT
IN THIS CABINET. DISCONNECT ALL POWER
SOURCES PRIOR TO SERVICING.
BY
The Dishwashing Machine Specialists
*
PARTS LOCATED IN CONTROL PANEL
1CR
*
DOOR SAFETY SWITCH HOLD-IN RELAY
2CR
*
WASH TANK FLOAT HOLD-IN RELAY
3CR
*
RINSE TANK FLOAT HOLD-IN RELAY
4CR
*
FINAL RINSE SWITCH RELAY
5CR
*
TABLE LIMIT SWITCH RELAY
6CR
*
WASH TANK FLOAT SWITCH RELAY
7CR
*
RINSE TANK FLOAT SWITCH RELAY
1M
*
DRIVE CONTACTOR
1MOL
*
DRIVE MOTOR OVERLOAD
2M
*
WASH CONTACTOR
2MOL
*
WASH MOTOR OVERLOAD
3M
*
RINSE CONTACTOR
3MOL
*
RINSE MOTOR OVERLOAD
4M
*
MRA CONTACTOR
4MOL
*
MRA MOTOR OVERLOAD
BC1
*
BOOSTER HEATER CONTACTOR
CB
*
CIRCUIT BREAKER
DSS
DOOR SAFETY SWITCH
FRSW
FINAL RINSE SWITCH
FRV
FINAL RINSE FILL VALVE
FU-
*
FUSE-TRASNSFORMER
HC1
*
WASH TANK HEAT CONTACTOR
(IF USED)
HC2
*
RINSE TANK HEAT CONTACTOR
HLRT
HIGH LIMIT RINSE TANK
HLWT
HIGH LIMIT WASH TANK
MSW
MOTOR STOP SWITCH
MRA
MACHINE RACK ADVANCE LIMIT SWITCH
PL
*
POWER ON LIGHT
RFSW
RINSE TANK FLOAT SWITCH
R
RINSE TANK DOOR SAFETY SWITCH
RT
*
RINSE TANK FLOAT TIMER
SW
*
POWER SWITCH
T1
*
440V:120V TRANSFORMER
TB6
WASH HEATER TERMINAL BLOCK
TB7
RINSE HEATER TERMINAL BLOCK
TKL
*
LOW TEMP INDICATOR LIGHT
TLS
TABLE LIMIT SWITCH
TSB
BOOSTER THERMOSTAT
TSK
LOW TEMPERATURE CUT-OFF THERMOSTAT
TSR
RINSE TANK THERMOSTAT
TSW
WASH TANK THERMOSTAT
W
WASH TANK DOOR SAFETY SWITCH
WFSW
WASH TANK FLOAT SWITCH
WT
*
WASH TANK FLOAT TIMER
NOTES
1. REMOVE JUMPER ACROSS N.O. 5CR
CONTACT WHEN TABLE LIMIT SWITCH IS
USED.
DIAGRAM STATE
POWER OFF
DOORS CLOSED
TANKS EMPTY
END OF CYCLE
USN-72, STEAM
PANEL WIRING DIAGRAM
701832
B
REV.
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