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
58
Discharge Line Thermostat Switch
Cut-out 266°F±9°F (130°C± 5°C)
Cut-in 239°F±9°F (115°C±5°C)
* High-Pressure Switch
Cut-out 426±
22
PSIG
Cut-in 341±22 PSIG
0
**
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
BK
BK
V
P
P
W
W
W
BK
R
BR
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
W
BR
BR
R
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 (3 PHASE)
FUSE 10A
FUSE 10A
GND
P
P
BR
P
V
BR
BK
P
BR
V
V
V
V
V
V
P
BK
R
BR
BR
W
W
(R)
DRAIN
W
V
BK
BR
(Y)
(R)
HOT GAS
VALVE
COMP.
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
THERMOSTAT
HI-PRESSURE
SWITCH
208-230/60/1
L1
L2
N
CAP.
10MFD
CAP.
10MFD
BR BR
VALVE
LINE
(R)
(Y)
VALVE
HOT GAS
(R)
(Y)
R
BK
GY
V
BK
BR
(BK)
(BK)
CRANKCASE
HEATER
WIRING
HARNESS
W
W
BK
P
V
BR
9
(DBU)
CAP.
10MFD
BK
P
V
BR
V
GY
(R)
W/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)
BK
BK
FLOAT SW.
(BK)
1
3
5
7
9
TERMINAL BLOCK
(BR)
VALVE
DRAIN
W
3
2
SERVICE
SWITCH
WASH
1
BR
10
W
V
R
R
W
W
W
W
GY
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
P
P
P
P
P
P
Y
BK
R
DBU
O
BK
R
DBU
O
BK
R
O
R
RR
R
R
GY GY GY GY
GY
W
W
DBU
DBU
WWW
BR
BR
BR
BR
BK
BK BK
BK
BK
L2
C1
C2
T2
L3
L1
COM
T3
T1
NO
NC
BK
115V
208V
230V
0V
TRANSFORMER
BK
BR
VOLTAGE
TAP SW.
BR
BR
BR
R
DISCHARGE LINE
BR
BR
W
W
W
W
(R)
DBU
DBU
DBU
P
DBU
O
P
BK
R
DBU
O
C
R
S
DBU
(O)
OFF
GY
V
MAIN
W
W
W
BR
BK
BK
BR
R
R
*
**
3. KMS-2000MLJ with SRK-20J3