Follett Symphony Plus 25 Series Installation, Operation And Service Manual page 19

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.
Start
Relay
Capacitor
OR
YELLOW
Water Sensors
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.
Start
Capacitor
Relay
OR
YELLOW
Water Sensors
T.O.L.
R
S
C
Compressor
2
1
RED
Start
Relay
5
Compressor
Electrical Box
WHITE
Drain
Fill
4 Valve Valve
3 2
BLACK
R
S
C
Gearmotor
A B C D
Drain Clog Sensor
T.O.L.
R
S
C
Compressor
2
1
RED
Start
Relay
5
Compressor
Electrical Box
WHITE
Drain
Fill
4 Valve Valve
3 2
BLACK
R
S
C
Gearmotor
A B C D
Drain Clog Sensor
Fan
WHITE
N
N
L1
BLACK
L1
RED
P6
P21
P20
BROWN
P19
BLACK
P3
WATER LEVELS
P22
BLUE
P4
AUGER
Bin T-Stat
Fan
WHITE
N
N
L1
BLACK
L1
RED
P6
P21
P20
BROWN
P19
BLACK
P3
WATER LEVELS
P22
BLUE
P4
AUGER
Bin T-Stat
C/E25CI425A, C/E50CI425A
High
Pressure
Switch
POWER
P15
LOW BIN
MAKING ICE
SLEEP CYCLE
HI PRS
TIME DELAY
LOW WATER
1 2 3 4 5 6 7 8
MAINTENANCE
RESET
SERVICE
HI AMPS
HI PRESSURE
DRAIN CLOG
BIN P11
CLEANER FULL
Clean Switch
High
Pressure
Switch
POWER
P15
LOW BIN
MAKING ICE
SLEEP CYCLE
HI PRS
TIME DELAY
LOW WATER
1 2 3 4 5 6 7 8
MAINTENANCE
RESET
SERVICE
HI AMPS
HI PRESSURE
DRAIN CLOG
BIN P11
CLEANER FULL
Clean Switch
19