Wiring Diagram Sequence of Operation

Electrical System

Section 6

 

 

Wiring Diagram Sequence of Operation

QF2300

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.

L1

GROUND

 

C1

C2

L2

 

 

 

 

 

 

 

 

 

 

 

LIQUID LINE

 

 

 

(54)

SOLENOID

(53)

 

RELAY

 

 

 

(91)

 

 

 

 

K2

 

EQUALIZATION

 

 

 

(58)

SOLENOID

(57)

 

 

RELAY

 

 

 

 

 

 

 

(25)

K1

 

 

 

 

7 AMP

 

CENTRIFUGAL

(22)

 

 

 

SWITCH

 

FUSE

 

INTERNAL

 

 

 

 

(65)

OVERLOAD

START

 

 

 

 

 

 

 

 

 

 

 

 

RELAY

 

RUN

 

 

RELAY K4

 

 

 

 

K3

 

 

 

 

 

GEARMOTOR

 

 

 

 

 

 

 

WATER FLOAT

 

 

 

(52)

VALVE

(56)

 

 

 

 

 

 

 

(22)

 

 

 

 

 

 

 

(55)

 

 

 

(51)

 

 

 

 

DUMP VALVE

 

 

 

SV2109

 

 

 

 

 

1A. Water Flush (45 Seconds)

 

 

 

Toggle Switch

 

ICE

 

 

 

Bin Level Probe

 

Open (No Ice Contact)

 

 

 

Control Board Relays

 

 

 

 

 

 

#1

Liquid Line Solenoid Valve

 

OFF

 

 

 

 

#2

Dump Valve

 

ON

 

 

 

 

#3

Gear Motor

 

ON

 

 

 

 

#4

Water Float Valve Solenoid Coil

 

OFF

 

 

 

 

6-26

Revised 8/2003

Part No. 80-1214-3

 

 

Page 88
Image 88
Manitowoc Ice QF0400, QF0800, QC0700, QF2200 Electrical System, Section, Wiring Diagram Sequence of Operation, 6-26, QF2300