Service Manual
Table Of Contents
- Important Safety Information
- I. Construction and Water/Refrigeration Circuit Diagram
- II. Sequence of Operation and Service Diagnosis
- III. Controls and Adjustments
- A. Control Board Layout
- B. LED Lights and Audible Alarm Safeties
- C. Settings and Adjustments
- 1. Default Dip Switch Settings
- 2. Harvest Timer (S4 dip switch 1 & 2)
- 3. Pump-Out Timer/Harvest Time During Pump-Out (S4 dip switch 3 & 4)
- 4. Pump-Out Frequency Control (S4 dip switch 5)
- 5. Harvest Pump Time (Harvest Assist Duration) (S4 dip switch 6)
- 6. Harvest Pump Time (Harvest Assist)/Freeze-Time Correction (S4 dip switch 7)
- 7. Factory Use (S4 dip switch 8)
- 8. Freeze Timer (S4 dip switch 9 & 10)
- 9. Float Switch Control Selector (S5 dip switch 1)
- 10. Refill Counter (S5 dip switch 2 and 3)
- 11. Minimum Harvest Time (S5 dip switch 4)
- 12. Anti-Slush (S5 dip switch 5)
- IV. Refrigeration Circuit and Component Service Information
- VII. Disposal
- VIII. Technical Information
57
* High-Pressure Switch
Cut-out 426±
22
PSIG
Cut-in 341±22 PSIG
0
Discharge Line Thermostat Switch
Cut-out 266°F±9°F (130°C± 5°C)
Cut-in 239°F±9°F (115°C±5°C)
**
S4 DIP SWITCH SETTING NO. 1 NO. 2 NO. 3 NO. 4 NO. 5 NO. 6 NO. 7 NO. 8 NO. 9 NO. 10
KMS-2000MLJ OFF OFF OFF OFF OFF OFF ON OFF OFF OFF
S5 DIP SWITCH SETTING NO. 1 NO. 2 NO. 3 NO. 4 NO. 5
KMS-2000MLJ OFF OFF OFF OFF
X10 - HARVEST PUMP RELAY
X11 - X10 CONTROL RELAY
X12 - PUMP OUT RELAY
BR
BK
W
W
BK
R
BK
V
P
W
W
W
W
BK
BR
BR
W
BR
BK
W
O
O
GY
DBU
DBU
DBU
R
10 VAC @
115 VAC
W W
P
W
BK
W
O
W/R
W/R
W/R
W/R
W
WASH
VALVE
W
GY
BR
BR
W/BK
BK
BR
BR
BK
W
W/R
WIRE COLOR CODE
BK -BLACK
BR -BROWN
DBU -DARK BLUE
GR -GREEN
GY -GRAY
O -ORANGE
P -PINK
R -RED
V -VIOLET
W -WHITE
Y -YELLOW
W/BR -WHITE/BROWN
W/R -WHITE/RED
W/BK -WHITE/BLACK
1A4787-011
X12
8
6
4
2
1
3
5
7 7
5
3
1
2
4
6
8 8
6
4
2
1
3
5
7
X10X11
GND
GND
SRK (1 PHASE)
FUSE 10A
FUSE 10A
GND
P
P
BR
P
V
BR
V
V
V
V
V
P
BK
O
DBU
R
BR
BR
W
W
(R)
(O)
DRAIN
W
V
BK
R
BK
BK
BR
(Y)
(R)
HOT GAS
VALVE
CONTROL
TRANSFORMER
(BK)
BR
10
TERMINAL BLOCK
9
7
5
3
1
BR
V
P
BK
W
FAN
(BK)
(BR)
(W)
(W)
(BR)
(BK)
FAN
MAGNETIC CONTACTOR
L2
C1
C2
T2
L3
L1
COM
T3
T1
NO
NC
CAP.
RUN
40 MFD
S
C
R
COMP.
5
2
1
START RELAY
START CAP.
189-227MFD
O
THERMOSTAT
HI-PRESSURE
SWITCH
208-230/60/1
L1
L2
N
CAP.
10MFD
CAP.
10MFD
BR BR
W
VALVE
LINE
(R)
(Y)
VALVE
HOT GAS
(R)
(Y)
GY
R
BK
GY
V
BK
W
BR
(BK)
(BK)
CRANKCASE
HEATER
WIRING
HARNESS
W
BK
P
V
BR
9
(DBU)
CAP.
10MFD
V
GY
(R)
(BK)
(Y)
(Y)
(R)
(R)
(R)
1
2
3
4
5
6
7
8
9
10
BIN CONTROL
THERMISTOR
PUMP
K4
K3
K2
K1
2
3
2
1
3
2
1
3
1
VALVE
LINE
VALVE
HOT GAS
INLET
WATER VALVE
BOARD
CONTROL
(O)
3
2
1
K5
(BK)
(BK)
FLOAT SW.
(BK)
1
3
5
7
9
TERMINAL BLOCK
(BR)
VALVE
DRAIN
W
3
2
SERVICE
SWITCH
WASH
1
BR
10
V
R
R
W W
W
W
GY
W
W
W
W
W/BK
BK
BK
GR
WHITE
RED
BLACK
CIRC
BR
4
5
1
2
6
CONTROL SWITCH
3
OFF OFF
SERSER ICEICE
P
O
DBU
P
Y
O
Y Y
Y Y
W
W
PP
P
P
P
P
Y
BK
R
DBU
O
BK
R
DBU
O
BK
R
O
R
R
RR
R
GY GY GY GY
GY
W
W
DBU
DBU
WWW
BR
BR
BR
BR
BK
BK BK
BK
BK
DISCHARGE LINE
W
W
BK
P
V
BR
W
BK
P
V
BR
V
(R)
W
P
W
W
V
R
BK
O
DBU
R
DBU
W
W
(O)
DBU
OFF
*
**
2. KMS-2000MLJ with SRK-20J