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Electrical System Section 6
6-10
Part No. 80-1214-3
Wiring Diagram Sequence of
Operation
QC700/QF800
Initial Start-Up or Start-Up After
Automatic Shut-Off
1A. WATER FLUSH
Immediately after placing the toggle
switch in “ICE”, the dump valve
solenoid, and gearbox are energized.
After 45 seconds the dump valve de-
energizes.
SV3123
RELAY
K1
GROUND
L1
L2 (N)
(21)
(65)
CONTACTOR
COIL
(90)
HIGH
PRESSURE
CUT-OUT
(95)
RELAY
K2
RELAY
K3
RELAY K4
(25)
10 AMP
FUSE
(46)
GEARMOTOR
(22)
(43)
(56)
WATER FLOAT
VALVE COIL
(52)
(22)
(55)
(51)
DUMP VALVE COIL
FAN MOTOR
(AIR-COOLED ONLY)
(41)
CONTACTOR
CONTACTS
L1 T1
C4
POTENTIA
L
RELAY
RUN
CAPACITOR
C4
POTENTIAL
RELAY
CONTACTO
R
COIL
C4
POTENTIAL
RELAY
C4
POTENTIA
L
RELAY
(21)
RUN CAPACITOR
FAN CYCLE
CONTROL
OVERLOAD
COMPRESSOR
(49)
RUN
CAPACITOR
START
CAPACITOR
(31)
(62)
C5
C2
C1
C
R
S
(61)
(45)
1A. Water Flush (45 Seconds)
Toggle Switch ICE
Bin Level Probe Open (No Ice Contact)
Control Board Relays
#1 Contactor Coil Open / OFF
Compressor OFF
Condenser Fan Motor OFF
#2 Dump Valve ON
#3 Gear Motor ON
#4 Water Float Valve Solenoid Coil OFF
Revised 8/2003