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Manitowoc B Series User Manual

Manitowoc B Series
194 pages
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B MODEL
ICE MACHINES
©
Manitowoc 1993, Rev A 1/99
P/N 83-5367-9
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Manitowoc B Series Specifications

General IconGeneral
BrandManitowoc
ModelB Series
CategoryIce Maker
LanguageEnglish

Summary

ICE MACHINE WARRANTY INFORMATION

WARRANTY COVERAGE

Details on warranty terms for ice machines.

Exclusions from Warranty Coverage

Specifies conditions and parts not covered by the warranty.

INSTALLATION: WIRING CONNECTIONS

SELF-CONTAINED ELECTRICAL CONNECTIONS

Wiring diagrams for self-contained ice machine electrical hookups.

REMOTE ELECTRICAL CONNECTIONS

Wiring diagrams for remote condenser ice machine electrical hookups.

REMOTE CONDENSER/ LINE SET INSTALLATION

GENERAL

General guidelines for installing remote condenser line sets.

ROUTING OF LINE SET

Instructions for properly routing refrigerant line sets.

REMOTE CONDENSER MAXIMUM LOCATION DISTANCES

LINE SET RISE

Maximum allowed vertical distance for line sets.

LINE SET DROP

Maximum allowed vertical drop for line sets.

OPERATIONAL CHECKS

WATER LEVEL CHECK

Procedure for checking the water level in the ice machine.

ICE THICKNESS CHECK

Procedure for checking and adjusting ice thickness.

INTERIOR CLEANING AND SANITIZING

SELF-CLEANING SYSTEM (SeCS™)

Information on the automatic self-cleaning system.

SANITIZING PROCEDURES

Steps for sanitizing the ice machine's internal components.

AUTOMATIC CLEANING SYSTEM (AuCS™) ACCESSORY

AUTOMATIC OPERATION

How the AuCS™ accessory operates automatically.

SEQUENCE OF OPERATION

The step-by-step sequence of the automatic cleaning cycle.

REMOVAL OF PARTS FOR CLEANING/SANITIZING

Water Dump Valve Removal

Procedure for removing the water dump valve.

WATER PUMP REMOVAL

Steps to remove the water pump assembly.

REMOVAL FROM SERVICE/WINTERIZATION

Self-Contained Air-Cooled Machines

Procedures for removing self-contained air-cooled models.

Remote Machines

Procedures for removing remote ice machine systems.

SEQUENCE OF OPERATION SELF-CONTAINED MODELS

Initial Start-up / Automatic Shut-off

Steps for initial machine startup and automatic shutdown.

Freeze Sequence

Description of the ice machine's freeze cycle.

SEQUENCE OF OPERATION REMOTE MODELS

Initial Start-up / Automatic Shut-off

Steps for initial startup and automatic shutdown of remote models.

Freeze Sequence

Description of the freeze cycle for remote ice machines.

ELECTRICAL SYSTEM

BIN SWITCH

Function and operation of the bin switch.

DIAGNOSING COMPRESSOR ELECTRICAL FAILURES

CHECK RESISTANCE (OHM) VALUES

Procedure for checking compressor winding resistance.

CHECK MOTOR WINDINGS TO GROUND

Procedure for checking compressor motor windings to ground.

MANITOWOC B-MODEL COMPRESSOR SPECIFICATIONS

Winding OHM Values

Table of compressor winding ohm values by model.

DISCHARGE LINE THERMISTOR

Specifications

Specifications for the discharge line thermistor.

Check Procedure

Steps to check the discharge line thermistor functionality.

ICE/OFF/CLEAN TOGGLE SWITCH

Specifications

Specifications for the ice/off/clean toggle switch.

Check Procedure

Steps to check the operation of the toggle switch.

CONTROL BOARD TYPES

SINGLE EVAPORATOR CONTROL BOARD

Diagram and details for the single evaporator control board.

DUAL EVAPORATOR CONTROL BOARD

Diagram and details for the dual evaporator control board.

CONTROL BOARD FUNCTIONS

General

General overview of control board functions.

Harvest Initiation

Explanation of harvest initiation via ice thickness probe.

L.E.D. LIGHTS

Description of control board LED indicator lights.

DIAGNOSING ELECTRICAL CONTROL CIRCUITRY

ICE MACHINE WILL NOT RUN

Troubleshooting steps when the ice machine fails to start.

ICE MACHINE OPERATES BUT WILL NOT CYCLE

Troubleshooting steps when the machine runs but won't cycle.

ICE MACHINE OPERATES BUT CYCLES PREMATURELY

Troubleshooting steps for premature cycling issues.

HARVEST PRESSURE REGULATING (H.P.R.) SYSTEM

GENERAL

General description of the H.P.R. system components.

NORMAL OPERATION

Freeze Cycle

Description of the ice machine's normal freeze cycle.

Harvest Cycle

Description of the ice machine's normal harvest cycle.

H.P.R. SYSTEM FAILURE CHART

Freeze cycle

Possible causes for H.P.R. system failures during freeze cycle.

Harvest cycle

Possible causes for H.P.R. system failures during harvest cycle.

FILTER-DRIERS

HEADMASTER CONTROL VALVE

Diagnosing Headmaster Valve

Procedures for diagnosing headmaster valve issues.

Low On Charge Verification

Verifying low refrigerant charge for the headmaster valve.

FAN CYCLE CONTROL

Specifications

Specifications for the fan cycle control.

Check Procedure

Procedure for checking the fan cycle control.

LOW PRESSURE CUT-OUT CONTROL

Specifications

Specifications for the low pressure cut-out control.

Check Procedure

Procedure for checking the low pressure cut-out control.

HIGH PRESSURE CUT-OUT CONTROL – H.P.C.O.

Specifications

Specifications for the high pressure cut-out control.

Check Procedure

Procedure for checking the high pressure cut-out control.

REFRIGERATION SYSTEM OPERATIONAL ANALYSIS

GENERAL

General approach to analyzing refrigeration system performance.

BEFORE BEGINNING SERVICE

INSTALLATION/VISUAL INSPECTION CHECKLIST

WATER SYSTEM CHECKLIST

ICE PRODUCTION CHECK

ICE FORMATION PATTERN

DETERMINING NORMAL ICE FORMATION PATTERN

Guidelines for identifying normal ice formation on evaporator.

EXTREMELY THIN ON TOP

Analysis of ice formation that is extremely thin on top.

EXTREMELY THIN ON BOTTOM

Analysis of ice formation that is extremely thin on bottom.

SAFETY LIMITS

GENERAL

General overview of safety limits in ice machines.

Safety Limit #1

Description of Safety Limit #1 for machine operation.

Safety Limit #2

Description of Safety Limit #2 for machine operation.

ANALYZING WHY SAFETY LIMITS STOPPED ICE MACHINE

HOT GAS VALVE

GENERAL

General information about the hot gas valve.

ANALYZING HOT GAS VALVE

Procedure for analyzing hot gas valve performance.

SINGLE EVAPORATOR TEMPERATURE CHECK

DUAL EVAPORATOR TEMPERATURE CHECK

ANALYZING DISCHARGE PRESSURE

FREEZE CYCLE DISCHARGE PRESSURE HIGH CHECKLIST

FREEZE CYCLE DISCHARGE PRESSURE LOW CHART

ANALYZING SUCTION PRESSURE DURING FREEZE CYCLE

ANALYZING SUCTION PRESSURE DURING HARVEST CYCLE

FREEZE CYCLE SUCTION PRESSURE HIGH CHECKLIST

FREEZE CYCLE SUCTION PRESSURE LOW CHECKLIST

REFRIGERATION SYSTEM OPERATIONAL ANALYSIS TABLES

B150 SERIES SELF-CONTAINED PERFORMANCE DATA

Cycle Times

Cycle time data for B150 self-contained models.

24 Hour Ice Production

24-hour ice production figures for B150 models.

Operating Pressures

Operating pressure ranges for B150 self-contained models.

REFRIGERANT RECOVERY EVACUATION AND RECHARGING

REMOVAL OF REFRIGERANT

Procedures for safely removing refrigerant from systems.

RECOVERY/EVACUATION OF SELF-CONTAINED SYSTEMS

Steps for recovery and evacuation of self-contained units.

SELF-CONTAINED CHARGING PROCEDURES

Detailed procedures for charging self-contained ice machines.

RECOVERY/EVACUATION AND CHARGING OF REMOTE SYSTEMS

REMOTE SYSTEM RECOVERY/EVACUATION PROCEDURES

Steps for recovery and evacuation of remote systems.

REMOTE CHARGING PROCEDURES

Detailed procedures for charging remote ice machine systems.

REFRIGERANT CHARGE SPECIFICATIONS

B150 Series

Refrigerant charge amounts for B150 series models.

B200 Series

Refrigerant charge amounts for B200 series models.

B420/B450 Series

Refrigerant charge amounts for B420/B450 series models.

B1800 Series

Refrigerant charge amounts for B1800 series models.

REPLACING PRESSURE CONTROLS

INSTRUCTIONS

Instructions for replacing pressure controls without refrigerant loss.

SYSTEM CONTAMINATION

GENERAL

General understanding of refrigerant system contamination.

DETERMINING SEVERITY AND CLEAN-UP PROCEDURES

Procedures for determining contamination severity and cleanup.

CONTAMINATION/CLEAN-UP CHART

MILD SYSTEM CONTAMINATION CLEAN-UP PROCEDURES

SEVERE SYSTEM CONTAMINATION CLEAN-UP PROCEDURES

REFRIGERANT DEFINITIONS

RECOVERY

Definition of refrigerant recovery process.

RECYCLING

Definition of refrigerant recycling process.

RECLAIM

Definition of refrigerant reclaim process.

MANITOWOC REFRIGERANT USE POLICY

SUVA®HP81 (R402B) QUESTIONS AND ANSWERS

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