Electrical System Section 6
6-12
Part Number 80-1480-3
2. REFRIGERATION SYSTEM START-UP
The compressor, remote condenser fan motor
and liquid line solenoid valve energize after
the 45-second water purge, and remain on
throughout the Freeze and Harvest cycles.
The water fill valve is energized at the same
time as the compressor. It remains on until the
water level sensor closes for 3 continuous
seconds.
The harvest valve and harvest pressure
regulating (HPR) solenoid valve remain on for
the first 5 seconds of the initial compressor
start-up.
NOTE: (The compressor and the condenser
fan motor are wired through the contactor. Any
time the contactor coil is energized, these
components are supplied with power.)
Table 6-9. Remote Models Remote — Refrigeration System Start-Up
2. Refrigeration System Start Up (5 Seconds)
Toggle Switch ICE
Bin Switch Closed
Control Board Relays
#1 Water Pump OFF
#2 Harvest Valve (Left) / HPR Valve ON
#3 Harvest Valve (Right) ON (When Used)
#4 Air Compressor ON (When Used)
#5 Water Inlet Valve ON
#6 Water Dump Valve OFF
#7 Contactor Coil / Liquid Line Solenoid Closed / ON
#7A Compressor ON
#7B Condenser Fan Motor ON
Safety Controls (Which could stop ice machine operation)
High Pressure Cut-Out Closed
Main Fuse (On Control Board) Closed
SV3158-2
Water Valve
Harvest Valve
Dump Valve
Water Pump
(20)
(21)
(79)
(74)
(61)
(60)
(57)
(98)
(22)
(76)
(81)
(77)
(80)
(26)
(25)
(58)
(59)
Contactor Coil
(56)
L2
Air Compressor
(8)
(83)
(88)
(22)
(75)
Liquid Line
Solenoid
HPR Valve
(55)
(89)
(9)
(78)
(82)
(42)
(50)
(45)
(46)
(F2)
(F1)
(51)
Black
Red
Yellow
(L1)
(L1)
(L2)
(6)
(1)
(2)
Remote Fan Motor
Remote
Condenser
Run Capacitor
Contactor
Contacts
Compressor
Ice Thickness
Probe
Water Level
Probe
High Pressure
Cut-out
Ground
Run
Cap.
OFF
Clean
ON
Bin Switch
Trans
Fuse 7A
Control Board
(2)
(6)
(5)
(1)
(7)
(4)
PTCR
Low DC
Voltage
Plug
(99)
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