Follett MCD425A/W Operation And Service Manual page 16

Normal operation – Stage 2
When continuity is seen between B and C, the water valve de-energizes, the AUGER output (P4) comes on along
with the MAKING ICE LED . The auger gearmotor's start windings are energized through a current style start relay
that is pulled in by the initial high current draw of the gearmotor .
PSC: Start winding
energized through
capacitor.
Capacitor
OR
YELLOW
Normal operation – Stage 3
After the initial high current draw drops off, the gearmotor start relay contacts open, dropping out the start winding .
The condenser fan output (P3) comes on 0 .5 seconds later .
PSC: Start
windings stay
energized.
Capacitor
OR
YELLOW
16 MCD425A/W, R425A/W, MFD425A/W, P425A/W Ice Machines
T.O.L.
R
S
C
Compressor
2
RED
Start
Relay
5
Compressor
Electrical Box
WHITE
Start
Relay
Drain
Fill
4
Valve Valve
3 2
BLACK
R
S
C
Gearmotor
A B C D
Drain Clog Sensor
Water Sensors
T.O.L.
R
S
C
Compressor
2
RED
Start
Relay
5
Compressor
Electrical Box
WHITE
Start
Relay
Drain Fill
4
Valve Valve
3 2
BLACK
R
S
C
Gearmotor
A B C D
Drain Clog Sensor
Water Sensors
Fan
1
WHITE
N
L1
L1
RED
P6
P21
P20
BROWN
P19
BLACK
P3
P22
BLUE
AUGER
Bin T-Stat
Fan
1
WHITE
N
L1
L1
RED
P6
P21
BROWN P20
P19
BLACK
P3
P22
BLUE
AUGER
Bin T-Stat
High
Pressure
Switch
POWER
N
P15
LOW BIN
BLACK
MAKING ICE
SLEEP CYCLE
HI PRS
TIME DELAY
LOW WATER
1 2 3 4 5 6 7 8
MAINTENANCE
RESET
SERVICE
HI AMPS
WATER LEVELS
HI PRESSURE
DRAIN CLOG
P11
BIN
P4
CLEANER FULL
Clean Switch
High
Pressure
Switch
POWER
N
P15
LOW BIN
BLACK
MAKING ICE
SLEEP CYCLE
HI PRS
TIME DELAY
1 2 3 4 5 6 7 8 LOW WATER
MAINTENANCE
RESET
SERVICE
HI AMPS
WATER LEVELS
HI PRESSURE
DRAIN CLOG
BIN P11
P4
CLEANER FULL
Clean Switch