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14 MCD425A/W, R425A/W, MFD425A/W, P425A/W Ice Machines
Electrical control system schematic
WATER LEVELS
P17
BIN
P12
CLEAN SAFE
P11
POWER
LOW BIN
MAKING ICE
SLEEP CYCLE
TIME DELAY
LOW WATER
MAINTENANCE
SERVICE
HI AMPS
HI PRESSURE
CLEANER FULL
RESERVOIR
WATER SENSOR
MAINT.
CLEAN
HI PRS
P14
HIGH
PRESS
P
A B C D
BLACK
YELLOW
ORANGE
RED
GRN #17
BLACK #51
BLACK #23
BIN
CONTACT
CLOSURE
L1
L2/N
DISP
GND
BLACK #23
GRN-YEL #24
WHITE #25
BLACK #26
WHITE
BLUE
SPLIT-PHASE
START
RELAY
3
4
2
YELLOW
BLACK
T.O.L.
START
RUN
FAN
FEED VALVE
DRAIN VALVE
RED #16
WHITE #121
WHITE #13
BROWN #14
BLACK #122
BLUE #07
BLACK #51
WHITE #52
COMP.
R
C
S
O.L.
C2 START
1 2 3 4 5 6 7 8 9
GREEN #53
COMPRESSOR
COMPRESSOR
ELECTRICAL
BOX
BLACK #51
WHITE #52
GREEN #53
RED #54
ORANGE #55
BLACK #56
GREEN #57
BLACK #58
BLACK #59
6
4
1
2
5
BLACK #61
WHITE #62
GREEN #63
WHITE #64
BLACK #65
BLACK #66
GREEN #67
BLACK #68
BLACK #69
C1 RUN
BLACK #66
BLACK #69
BLACK #71
#15
#04
#05
WHITE
DRAIN CLOG
SENSOR
BLACK
VIOLET
DRAIN CLOG
MODEL SELECT
SERIAL COMM
COMPRESSOR
AUGER
WATER LEVELS
HI PRS
BIN RS485
RS485 UI
CURRENT SENS
RESET
PROGRAM
P5
ICE AUX WATER AUX
D9
D8
D7
D6
D5
D4
D37
D3
D2
D18
D16
D15
D14
D13
D12
D11
D10
D1
T1
P18
P11
P13
P17
P12
P14
P16
P15
P4
T2
S1
S2
K1
P7
P8
P10
K3
1
2
6
5
P9
L1 L1L1
N N N N N N N N N
P2
P1
P21
P20
P19
P3
BLACK #01
P6
P22
D19D22D21D20
D17
D48
BLACK
BLACK
BLUE
OR
CAPACITOR
T.O.L.
START
RUN
BLACK
YELLOW
PSC MOTOR
Water-Cooled ice machine capacity/24hrs.
Condenser Water Temperature F/C
Inlet Water Temperature F/C
F 50 60 70 80 90 100
C 10 16 21 27 32 38
50 486 465 443 422 400 389 lbs.
10 220 2 11 201 191 181 176 kg.
60 464 445 425 406 386 367 lbs.
16 210 202 193 184 175 166 kg.
70 443 425 408 390 372 358 lbs.
21 201 193 185 177 169 162 kg.
80 422 406 389 373 356 340 lbs.
27 191 184 176 169 161 154 kg.
90 400 385 371 356 341 326 lbs.
32 181 175 168 161 155 148 kg.
Air-Cooled ice machine capacity/24hrs.
Ambient Air Temperature F/C
Inlet Water Temperature F/C
F 60 70 80 90 100
C 16 21 27 32 38
50 460 425 390 355 320 lbs.
10 208 193 177 161 145 kg.
60 437.5 405 372.5 340 307.5 lbs.
16 198 184 169 154 139 kg.
70 415 385 355 325 295 lbs.
21 188 175 161 147 134 kg.
80 405 375 345 315 285 lbs.
27 184 170 156 142 129 kg.
90 395 365 335 305 275 lbs.
32 179 166 152 138 125 kg.
Note: Nominal values - actual production may vary by ±10%.
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