
Electrical System Section 6
6-12 Part No. 80-1100-3
Freeze Sequence
3. PRE-CHILL
To pre-chill the evaporator, the
compressor runs for 30 seconds prior
to water flow.
NOTE: The water fill valve remains
on until the water level sensor closes
for three continuous seconds.
Figure 6-10. Remote — Pre-Chill
Table 6-10. Remote Models
3. Pre-Chill (30 Seconds)
Toggle Switch ICE
Bin Switch Closed
Control Board Relays
#1 Water Pump Open / OFF
#2 Water Fill Valve Closed / ON
#3 Harvest Solenoid Open / OFF
Harvest Pressure Regulating (HPR) Solenoid Open / OFF
#4 Water Dump Valve Open / OFF
#5 Contactor Coil Closed / ON
Liquid Line Solenoid Energized
Compressor ON
Condenser Fan Motor ON
Safety Controls (Which could stop ice machine operation)
High Pressure Cut-Out Closed
Main Fuse (On Control Board) Closed
TERMINATES AT
PIN CONNECTION
*OVERLOAD
BIN SWITCH
ICE THICKNESS PROBE
(F1)
TB33
(52)
(51)
(48)
B35
L1
(42)
CONTACTOR
CONTACTS
(66)
WATER LEVEL PROBE
NOT USED
(64)
TB32
B35
L1
(55)
HIGH PRES
CUTOUT
(74)
(73)
REMOTE
FAN MOTOR
RUN CAPACITOR
PTCR
TB34
(53)
REMOTE CONDENSER
(F2)
(45)
TB3
BIN SWITCH LIGHT
HARVEST LIGHT/
SAFETY LIMIT CODE LIGHT
RUN CAPACITOR
TOGGLE SWITCH
INTERNAL WORKING
VIEW
CLEAN LIGHT
WATER LEVEL
(68)
ICE
C
S
R
(46)
(49)
(47)
COMPRESSOR
(62)
(66)
(69)
(67)
OFF
CLEAN
1F
LOW D.C.
VOLTAGE
PLUG
(63)
(65)
(62)
1G
1C
R
R
(50)
TB3
68
67
69
66
62
(56)
COIL
VIEW FOR WIRING
TB3
CONTACTOR
TB3
(57)
4
(58)
1
3
FUSE (7A)
TRANS.
5
(61)
(60)
2
HARVEST
(80)
TB31
TB37
(76)
(98)
(99)
(75)
SOLENOID
DUMP
SOLENOID
(81)
WATER
PUMP
SOLENOID
TB3
TB3
(82)
(59)
(83)
LIQUID LINE
HPR
SOLENOID
L2 (N)
SEE SERIAL PLATE FOR VOLTAGE
(22)(21)
WATER
VALVE
(77)
(79)(78)
(20)
SV1648-3
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