Refrigeration Cycle Diagram - Follett Symphony 12 Series Installation, Operation And Service Manual

Diagnostic sequence – Stage 10
If the water level in the fl oat reservoir drops to an unacceptable level, the WTR LED goes out, shutting the
icemaker off. Also, the BT LED comes on, preventing the icemaker from restarting for twenty minutes. If water is
restored, the WTR LED comes back on and fl ashes to alert the technician that water to icemaker has been lost.
The icemaker restarts at the end of the 20 minute time delay. The fl ashing WTR LED can be cleared by pressing
the reset button.
INPUT
POWER
G
B
W
COMPRESSOR
C
T.O.L.
RED
START
RELAY
WHITE
Refrigeration cycle
condenser
fi lter dryer
high side
service port
thermostatic
expansion valve
GRD
FAN
BLACK
BLACK
M
BLACK
R
M 1
ORANGE
L
S
S
BLACK
HIGH PRESSURE
SAFETY SWITCH
GEAR MOTOR
START
4 2
BLACK
3
YELLOW RUN
T.O.L.
START CAP.
GEAR MOTOR
START
RED
RUN
T.O.L.
evaporator
WATER
SENSOR
GRD
L1
L1
WHITE
L2
L2
L2
WHITE
L2
L2
RED
COMPRESSOR
BLACK
FAN
DRIVE
BLACK
BLACK
BISON GEARMOTOR
OR
LINIX GEARMOTOR
high pressure
switch
high high
low
pressure pressure
pressure
vapor liquid
liquid
21
PWR
RESET
DR
C
20M
CONTROL
BOARD
60M
2ND
WTR
B-T
B-E
RED
RED
COMPRESSOR
SWITCH
BIN SIGNAL
FROM DISPENSER
BIN T-STAT
JUNCTION BOX
(MCD400A/WVS series –
blk wire is on 24V)
compressor
low
pressure
vapor
low side
service port