L2
L1
L3
2MOL
MOTOR
WASH
440V
120V
2M
4CR
1MOL
STOP
1CR
START
1M
120V CONTROLS
3MOL
RINSE
MOTOR
3M
T1
3MOL
RFSW
W
R
DRIVE
MOTOR
FU1
FU2
DSS
1MOL
1M
ELECTRIC
USN-72
701697
C
J.NEWTON
23MAR00
1
1
2MOL
TSK
FRSW
TSR
3CR
2CR
RT
WFSW
WT
SET FOR 5 SECONDS
SET FOR 5 SECONDS
TLS
MSW
2CR
3CR
5CR
L1
L3
PL
CB
SW
OFF
ON
6CR
7CR
TSW
SEE NOTE 2
HC1
10kW
10kW
10kW
2L1 2L2 2L3
HC2
10kW
10kW
TO CUSTOMER
DISCONNECT SWITCH
FUSED FOR 50A MAX. AT
440/60/3.
HLWT
HLRT
TO CUSTOMER
DISCONNECT SWITCH
FUSED FOR 50A MAX. AT
440/60/3.
!!!!!! WARNING !!!!!!
MULTIPLE POWER SOURCES ARE PRESENT
IN THIS CABINET. DISCONNECT ALL POWER
SOURCES PRIOR TO SERVICING.
!!!!!! WARNING !!!!!!
MULTIPLE POWER SOURCES ARE PRESENT
IN THIS CABINET. DISCONNECT ALL POWER
SOURCES PRIOR TO SERVICING.
TKL
PRIME
WASH TANK
HEATERS
HEATERS
RINSE TANK
A
TANK HEAT ADDED TO MOTORS AND CONTROL CIRCUIT
6JUNE00 JCN
SEE NOTE 1
4MOL
4M
MOTOR
MRA
(IF USED)
NOTES
1. REMOVE JUMPER ACROSS WIRES 70
AND 9 WHEN RACK ADVANCE TABLE IS
USED.
2. REMOVE JUMPER ACROSS N.O. 5CR
CONTACT WHEN TABLE LIMIT SWITCH IS
USED.
MRA
4MOL
IF USED
(IF USED)
(IF USED)
B
MRA TO BE NC IN NORMAL POSITION
16OCT00 JCN
TB4
TB5
C
CHANGED WIRE NUMBERS TO MATCH TERMINAL BLOCKS
06OCT03 JAM
HC2
HC1
1CR
2CR
3CR
4CR
5CR
6CR
7CR
FRV
1M
2M
3M
4M
GND
RINSE AID/
SANI SIGNAL
1
47
46
45
2
15
1
2
6
5
4
3
49
50
48
21
44
42
43
8
CUSTOMER TO SUPPLY RATED VOLTAGE/PHASE/Hz,
AS SPECIFIED PER ORDER,TO DISCONNECT SWITCH.
ALL POWER SUPPLIED TO EACH CONNECTION POINT
MUST COMPLY WITH ALL LOCAL ELECTRIC CODES.
BY
DATE
DESCRIPTION
REV.
B
REV.
The Dishwashing Machine Specialists
SCALE
DR.BY
DATE
SHEET
OF
REV.
DESCRIPTION
DATE
BY
P1
P2
20
5
M
CLUTCH
6
2
4
1
7
8
OFF DELAY
5
OFF DELAY
2
7
M
8
6
CLUTCH
1
4
L3
L1
L2
L1
L2
L3
L1
L2
L3
33
41
39
40
37
38
36
35
34
17
3A
23
7
9
10
11
12
13
14
95
4
96
25
29
30
26
3
3C
22
DIAGRAM STATE
END OF CYCLE
TANKS EMPTY
DOORS CLOSED
POWER OFF
2
2B
31
32
51
SIGNAL
DETERGENT
4
8
3
62B
61B
62A
60B
61A
60A
63B
65B
64B
64A
65A
63A
64C
65C
63C
16
GND
97
4
98
98
70
L1
L3
L2
51
53
52
54
56
55
99
28
2E
19
4
22
WASH TANK DOOR SAFETY SWITCH
WFSW
WT
W
WASH TANK FLOAT SWITCH
WASH TANK FLOAT TIMER
*
MRA CONTACTOR
4M
LOW TEMPERATURE CUT-OFF THERMOSTAT
RINSE TANK DOOR SAFETY SWITCH
MACHINE RACK ADVANCE LIMIT SWITCH
BOOSTER HEATER CONTACTOR
WASH TANK HEAT CONTACTOR
RINSE TANK HEAT CONTACTOR
MRA
RFSW
TSR
TSW
TSK
TSB
TLS
TKL
R
T1
SW
RT
PL
BOOSTER THERMOSTAT
TABLE LIMIT SWITCH
LOW TEMP INDICATOR LIGHT
RINSE TANK THERMOSTAT
WASH TANK THERMOSTAT
*
440V:120V TRANSFORMER
RINSE TANK FLOAT TIMER
POWER SWITCH
POWER ON LIGHT
RINSE TANK FLOAT SWITCH
*
*
*
*
4MOL
HLWT
HLRT
FRSW
MSW
HC1
HC2
FU-
FRV
DSS
CB
BC1
MOTOR STOP SWITCH
HIGH LIMIT RINSE TANK
HIGH LIMIT WASH TANK
FUSE-TRASNSFORMER
*
*
*
MRA MOTOR OVERLOAD
CIRCUIT BREAKER
DOOR SAFETY SWITCH
FINAL RINSE FILL VALVE
FINAL RINSE SWITCH
*
*
*
WASH TANK FLOAT SWITCH RELAY
RINSE TANK FLOAT SWITCH RELAY
DOOR SAFETY SWITCH HOLD-IN RELAY
WASH TANK FLOAT HOLD-IN RELAY
RINSE TANK FLOAT HOLD-IN RELAY
1MOL
2MOL
3MOL
3M
2M
1M
6CR
7CR
5CR
3CR
4CR
2CR
DRIVE CONTACTOR
DRIVE MOTOR OVERLOAD
WASH CONTACTOR
WASH MOTOR OVERLOAD
RINSE CONTACTOR
RINSE MOTOR OVERLOAD
*
*
*
*
*
*
*
FINAL RINSE SWITCH RELAY
TABLE LIMIT SWITCH RELAY
*
*
*
*
*
*
1CR
*
*
PARTS LOCATED IN CONTROL PANEL
TB7
RINSE HEATER TERMINAL BLOCK
TB6
WASH HEATER TERMINAL BLOCK
60
62
61
65
63
64
2A
2C
2D
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3B
3D
3
3
97
4
8
15
2
2
2
2
2
32
31
30
29
17
20
GND
Summary of Contents for 135-USN-72
Page 1: ......
Page 3: ...TECHNICAL PUBLICATION SHEET i TECHNICAL PUBLICATION SHEET ...
Page 4: ...TECHNICAL MANUAL VALIDATION CERTIFICATE ii TECHNICAL MANUAL VALIDATION CERTIFICATE ...
Page 5: ...APPROVAL AND PROCUREMENT RECORD iii APPROVAL AND PROCUREMENT RECORD ...
Page 9: ...vii THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 36: ...THIS PAGE INTENTIONALLY LEFT BLANK 18 ...
Page 74: ...56 Part 6 REPLACEMENT PARTS THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 83: ...65 Part 6 REPLACEMENT PARTS THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 96: ...74 Part 6 REPLACEMENT PARTS Figure 6 8 Rinse saver assembly 1 2 3 4 9 10 11 2 2 12 5 4 6 7 8 ...
Page 98: ...76 Part 6 REPLACEMENT PARTS Figure 6 9 Steam coil assembly Tank 4 8 9 10 7 6 5 4 1 2 3 ...
Page 126: ...94 Part 6 REPLACEMENT PARTS Figure 6 18 Dishracks and PRV 1 2 3 ...
Page 130: ...98 Part 6 REPLACEMENT PARTS 1 2 3 4 5 6 7 8 9 Figure 6 20 MRAN 90 Pawl Bar ...
Page 142: ...110 Part 6 REPLACEMENT P ARTS THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 143: ...111 Part 6 REPLACEMENT P ARTS PART 7 ELECTRICAL SCHEMATICS Part 7 ELECTRICAL SCHEMA TICS ...
Page 159: ...112 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 160: ...112 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 163: ...115 Part 6 REPLACEMENT P ARTS ...