6-46

Table of Contents (continued)

Control Board

6-46

Component Specifications and Diagnostics

6-47

ICE/OFF/CLEAN Toggle Switch

6-47

Bin Level Probe

6-47

Motor Speed Sensor

6-49

Water Level Probes

6-50

Temperature Sensor

6-52

Temperature/Resistance Chart

6-52

Control Board Relays

6-53

Main Fuse

6-53

Water Float Valve

6-54

Water Level Check

6-54

High Pressure Control

6-55

Low Pressure Cut-Out Control (LPCO)

 

RFC2085/RFC2385 (QF2200/QF2300) Only

6-55

Fan Cycle Control

6-56

Compressor Electrical Diagnostics

6-57

Diagnosing An Ice Machine That Will Not Run

6-59

Diagnosing A Condensing Unit That Will Not Run

6-59

Section 7

Refrigeration System

Tubing Schematic

7-1

QF400/QC700/QF800

7-1

QF2200/RFC2085

7-2

QF2300/RFC2385

7-3

Refrigeration System Diagnostics

7-4

Before Beginning Service

7-5

Ice Production/Quality Check

7-5

Installation/Visual Inspection Checklist

7-6

Water System Checklist

7-6

SafeGuards

7-6

Analyzing Discharge Pressure

 

During Freeze or Harvest Cycle

7-7

Analyzing Suction Pressure

7-8

Equalization Valve

7-9

Water Regulating Valve (Water-Cooled Models Only)

7-9

Headmaster Control Valve

7-10

Freeze Cycle Operation

7-10

Cycle Time/24 Hour Ice Production/Refrigerant Pressure Charts

7-11

QF400 Self-Contained Air Cooled

7-11

QC700 Self-COntained Air Cooled

7-12

QC700 Self-Contained Water Cooled

7-12

QF800 Self-Contained Air Cooled

7-13

QF800 Self-Contained Water Cooled

7-13

QF2200/RFC2085 Remote Air Cooled

7-14

QF2300/RFC2385 Remote Air Cooled

7-14

4

Revised 8/2003

Part No. 80-1214-3

Page 6
Image 6
Manitowoc Ice QF0800 Table of Contents continued, Section Refrigeration System, 6-46, 6-47, ICE/OFF/CLEAN Toggle Switch