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Electrical Schematic
BY
DATE
DESCRIPTIONREV.
B
REV.
The Dishwashing Machine Specialists
REV. DESCRIPTION
DATE
BY
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.
SCALEDR.BY
DATE SHEET
OF
1 & 3 PHASE
DH/MD2000 DOOR MACHINE
702119 B
NONE
J. MCALLISTER
30MAR09
1
1
NO
NC
COIL
COMMON
RELAY
**
N
NEUTRAL
B
REVISED DRAIN TEPMERING CIRCUIT
18AUG09
JAM
ELECTRIC BOOSTER HEAT
L3
L2
L1
L3
L1
37
38
37
BC
36
BC
36
34
L2
L1
L3
31
32
FU
30
SEE NOTE 1
35
34
HC
33
5.2KW
ELECTRIC TANK HEAT
L1
L2
30
FU
31
33
HC
5.2KW
L1 L3L2
1.) SET METER TO READ DC VOLTAGE
HLTS
HLTS
VENT FAN CONTACTOR
120V SIGNAL TO
4
1M
21
FSW
1CRA
2CRA
9
8
20
17
19
TSB
TSW
14
15
A CLOSED SWITCH WILL READ 0-1VDC
4.) AN OPEN SWITCH WILL READ 4.7-5.3VDC
i.e. PLACE RED LEAD TO T8 TO TEST DOOR SW.
3.) PLACE RED LEAD TO TERMINAL BEING TESTED
END OF CYCLE
DIAGRAM STATE
POWER OFF
TANKS EMPTY
DOORS CLOSED
2
2.) PLACE BLACK LEAD TO T2
18
2
LT1
BC
HC
16
RWV
1M
DSS
6
1CR
2
7
4
13
10
1CRB
11
4
LOAD
3CR
3CR
PCB
LINE
3
TO TEST INPUTS T7, T8, AND T9 A METER
CAPABLE OF READING DC VOLTAGES MUST
BE USED.
TANK HEAT CONTACTOR
RINSE TIME SELECT JUMPER
POWER CIRCUIT BREAKER
BOOSTER TANK THERMOSTAT
PCB
RWV
TSB
TSW
2CR
1MOL
12
RINSE WATER VALVE
WASH TANK THERMOSTAT
HLTS
FSW
FU
HC
JB2
JB3
5
DV
2
LT1
JB1
DT
10 MINUTE
123
1
2
F1
CYCLE SELECT JUMPER
CYCLE SELECT JUMPER
CYCLE LIGHT
HIGH LIMIT THERMOSTAT
TIMER BOARD FUSE
FLOAT SWITCH
FUSE
BOOSTER TANK CONTACTOR
DOOR SAFETY SWITCH
3CR
2CR
1CR
BC
DSS
DTV
AS
GND
1M
ARC SUPPRESSOR
DRAIN TEMPERING VALVE
DRAIN VALVE RELAY
RINSE AID RELAY
DOOR SWITCH RELAY
WASH MOTOR CONTACTOR
L1 L2
L3
RINSE AID SIGNAL
DETERGENT SIGNAL
G
HEATERS
OUTPUT
EXT. WASH
(CYCLE SW.)
FLOAT SW.
LAMP
OUTPUT
DOOR SW.
START SW.
(RINSE SENTRY)
N
H
WASH
OUTPUT
RINSE
OUTPUT
H
POWER
L3
32
L2
35
38
L1
L2
SEE NOTE 1
FOR THREE PHASE OPERATION REMOVE JUMPER BEETWEEN L2 AND L3.
FOR SINGLE PHASE OPERATION LEAVE THE JUMPER INSTALLED AND
CONNECT HEATERS AS SHOWN BELOW.
AS
7
7
4
13
GND
1 AMP MAX
1 AMP MAX
1
2
2
2
2
2
2
DT DRAIN TIMER
N
SINGLE PHASE
THREE PHASE
THREE PHASE
SINGLE PHASE
7
20
21 2
2
4
2
7.5KW
7.5KW
208-240V 1 OR 3 PHASE
GND
L2L1
SINGLE PHASE
THREE PHASE
1 PHASE-CIRCUIT CAPACITY 80AMPS
1 PHASE-MAX BREAKER 80AMPS
3 PHASE-MAX BREAKER 50AMPS
3 PHASE-CIRCUIT CAPACITY 50AMPS
19
8
9
FU
LINE
120V
FU
T1
4
4
4
2
2
13
2
1MTR
27
28
1M
50
24
25
1MOL
L1
50
L2
2
2
IF CHANGE AND/OR REVISE MAKE SURE TO
UPDATE PART# 114656, SCHEMATIC PEEL-OFF
LABEL
14
4
L2
L1
AS
321
30 SEC
T2
DTV
2
3
51
51
52
3CRB
13
51
3CRB
T2 DRAIN TEMPERING TIMER
DV DRAIN VALVE
IF USED
DRAIN TEMPERING KIT
! ATTENTION - VERY IMPORTANT ! -
VERIFY
CIRCUIT BOARD PART NUMBER AND JUMPER POSITION
SETTINGS (JB1, JB2, JB3) PER MACHINE MODEL AND
SERIAL NUMBER AS INDICATED IN TABLE BELOW.
IMPROPER JUMPER SETTINGS MAY CAUSE ERRATIC
OPERATION.
MACHINE BOARD JUMPER SETTINGS
MODEL SERIAL NUMBER PART NUMBER JB1 JB2 JB3
LEDs
WASH
T10
RINSEFILL
T9
JB2
T6
T5
FUSE 1A
T7
T8
T2
T1
F1
JB1
JB3
POWER
LED
T4
T3
5 X 20 MM
FAST ACTING
DH/MD2000 D09037592 114470 OPEN OPEN OPEN