Qc700/Qf800 - Manitowoc FLAKE/CHIPLET QC0700 Service Manual

Electrical System
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.
Toggle Switch
Bin Level Probe
Control Board Relays
#1 Contactor Coil
Compressor
Condenser Fan Motor
#2 Dump Valve
#3 Gear Motor
#4 Water Float Valve Solenoid Coil
6-10
L1
GROUND
(21)
RELAY
K2
10 AMP
FUSE
(25)
RELAY K4
(52)
(22)
(51)
(41)
1A. Water Flush (45 Seconds)
Revised 8/2003
HIGH
CONTACTOR
RELAY
PRESSURE
K1
CUT-OUT
(90) (95)
(46)
(21)
RELAY
(22)
K3
WATER FLOAT
VALVE COIL
(55)
FAN MOTOR
(AIR-COOLED ONLY)
DUMP VALVE COIL
FAN CYCLE
CONTROL
RUN CAPACITOR
L1 T1
OVERLOAD
CONTACTOR
CONTACTS
C5
C2
(49)
C1
CAPACITOR
(31)
START
CAPACITOR
Section 6
L2 (N)
COIL
C4
(65)
POTENTIAL
RELAY
GEARMOTOR
(43)
RUN
CAPACITOR
(56)
C4
POTENTIAL
RELAY
CONTACTOR
COIL
C
COMPRESSOR
C4
POTENTIAL
R (45)
S
RELAY
C4
(61)
POTENTIAL
RUN
RELAY
(62)
SV3123
ICE
Open (No Ice Contact)
Open / OFF
OFF
OFF
ON
ON
OFF
Part No. 80-1214-3