Follett MCC400A/W User Manual
Page 23
Normal operation – Stage 2
The water sensor verifies water in the float reservoir. The water OK LED (WTR) comes on. At the same time, the
gearmotor, compressor and condenser fan motor come on, lighting the drive LED (DR) and compressor LED (C).
The gearmotor is started through a normally open current style relay that is pulled in by the initial high current
draw of the run winding. The compressor is started with the start winding being energized through the normally
closed contacts of the potential relay, starting capacitor, and the run capacitor. The PWR, BE and WTR LED
remain on.
23
Normal operation – Stage 3
After the initial high current draw drops off, the gearmotor start relay contacts open, dropping out the start winding.
As the compressor comes up to normal running speed, the compressor start relay contacts open and the starting
capacitor drops out. The start winding remains energized through the run capacitor. The icemaker is now in a
normal icemaking mode. The icemaker will begin to produce ice and continue to produce ice until the bin level
control in the ice dispenser is satisfied. The PWR, B-E, DR, C and WTR LEDs are all on.
RED
WTR
B-E
B-T
2ND
60M
20M
C
POWER
DR
WHITE
BLACK
YELLOW
WHITE
4
3
2
T.O.L.
START
RUN
GEARMOTOR
COMPRESSOR
R
POTENTIAL
START RELAY
RUN
CAP.
CAPACITOR
START
C
S
2
1
5
T.O.L.
L1
L2
COMP
FAN
DRV
WATER
SENSOR
G
GREEN/YELLOW
GRN IN
ELEC BOX
BROWN
BLUE
WHITE
WHITE
BLACK
BLACK
ORANGE
RED
BLACK
BLACK
BLACK
BLACK
VIOLET
VIOLET
WHITE
BLACK
RED
RED
BLUE
BLACK
FAN
M
ORANGE
BLACK
L
N
HIGH PRESSURE
SAFETY SWITCH
COMPRESSOR
SWITCH
BIN
T-STAT
BIN
SIGNAL
SWITCH
DISPENSER
RED
RED
WTR
B-E
B-T
2ND
60M
20M
C
POWER
DR
WHITE
BLACK
BLACK
YELLOW
WHITE
4
3
2
T.O.L.
GEARMOTOR
COMPRESSOR
POTENTIAL
START RELAY
RUN
CAP..
CAPACITOR
START
C
2
1
5
T.O.L.
L1
L2
COMP
FAN
DRV
WATER
SENSOR
G
GREEN/YELLOW
GRN IN
ELEC BOX
BROWN
BROWN
BLUE
BLUE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
BLACK
BLACK
BLACK
BLACK
BLACK
ORA
ORA
RED
RED
BLACK
BLACK
BLA
CK
BLACK
C
BLACK
C
VIOLETVIOLETVIOLET
BLACKBLACKBLACK
REDRED
BLUE
BLACK
BLACK
FAN
M
ORANGE
ORANGE
O
BLACKBLACKBLACK
L
N
HIGH PRESSURE
SAFETY SWITCH
E
COMPRESSOR
SWITCH
BIN
T-STAT
BIN
SIGNAL
SWITCH
DISPENSER