Manitowoc RNS0244 Manuale utente

Part Number 000007661 11/16

R Model

Flake & Nugget Ice Machine

Technician’s Handbook

Safety Notices

As you work on Manitowoc equipment, be sure to pay

close attention to the safety notices in this handbook.

Disregarding the notices may lead to serious injury and/

or damage to the equipment.

Throughout this handbook, you will see the following

types of safety notices:

nWarning

Text in a Warning box alerts you to a potential

personal injury situation. Be sure to read the Warning

statement before proceeding, and work carefully.

,Caution

Text in a Caution box alerts you to a situation in which

you could damage the equipment. Be sure to read

the Caution statement before proceeding, and work

carefully.

Procedural Notices

As you work on Manitowoc equipment, be sure to read

the procedural notices in this handbook. These notices

supply helpful information which may assist you as you

work.

Throughout this handbook, you will see the following

types of procedural notices:

Important

Text in an Important box provides you with

information that may help you perform a procedure

more efficiently. Disregarding this information will

not cause damage or injury, but it may slow you

down as you work.

NOTE: Text set off as a Note provides you with simple, but

useful, extra information about the procedure you are

performing.

Read These Before Proceeding:

,Caution

Proper installation, care and maintenance are

essential for maximum performance and trouble-free

operation of your equipment. Visit our website www.

manitowocfsg.com for manual updates, translations,

or contact information for service agents in your area.

Important

Routine adjustments and maintenance procedures

outlined in this handbook are not covered by the

warranty.

nWarning

Read this manual thoroughly before operating,

installing or performing maintenance on the

equipment. Failure to follow instructions in this

manual can cause property damage, injury or death.

nWarning

Do not use electrical appliances or accessories other

than those supplied by Manitowoc for your ice

machine model.

nWarning

Two or more people or a lifting device are required to

lift this appliance.

nWarning

This equipment contains high voltage electricity and

refrigerant charge. Installation and repairs are to be

performed by properly trained technicians aware of

the dangers of dealing with high voltage electricity

and refrigerant under pressure.The technician must

also be certified in proper refrigerant handling

and servicing procedures. All lockout and tag out

procedures must be followed when working on this

equipment.

nWarning

Do not damage the refrigeration circuit when

installing, maintaining or servicing the unit.

nWarning

Do not operate equipment that has been misused,

abused, neglected, damaged, or altered/modified

from that of original manufactured specifications.

This appliance is not intended for use by persons

(including children) with reduced physical, sensory

or mental capabilities, or lack of experience and

knowledge, unless they have been given supervision

concerning use of the appliance by a person

responsible for their safety. Do not allow children to

play with this appliance.

nWarning

All covers and access panels must be in place and

properly secured, before operating this equipment.

nWarning

Do not obstruct machine vents or openings.

nWarning

Do not store gasoline or other flammable vapors or

liquids in the vicinity of this or any other appliance.

nWarning

Do not clean with water jet.

nWarning

It is the responsibility of the equipment owner to

perform a Personal Protective Equipment Hazard

Assessment to ensure adequate protection during

maintenance procedures.

nWarning

Two or more people are required to move this

equipment to prevent tipping.

nWarning

When using electric appliances, basic precautions

must always be followed, including the following:

a. Read all the instructions before using the

appliance.

b. To reduce the risk of injury, close supervision

is necessary when an appliance is used near

children.

c. Do not contact moving parts.

d. Only use attachments recommended or sold

by the manufacturer.

e. Do not use outdoors.

f. For a cord-connected appliance, the

following must be included:

• Do not unplug by pulling on cord. To

unplug, grasp the plug, not the cord.

• Unplug from outlet when not in use and

before servicing or cleaning.

• Do not operate any appliance with

a damaged cord or plug, or after the

appliance malfunctions or is dropped

or damaged in any manner. Contact

the nearest authorized service facility

for examination, repair, or electrical or

mechanical adjustment.

g. Follow applicable lock out tag out procedures

before working on equipment.

h. Connect to a properly grounded outlet only.

THIS PAGE INTENTIONALLY LEFT BLANK

Table of Contents

Part Number 000007661 11/16 9

Safety Notices ....................................2

Procedural Notices ...............................2

General Information

Model Numbers ................................ 15

Self Contained................................ 15

Air & Water-Cooled Models ................... 15

Nugget Models............................... 16

QuietQube Models with Remote Condensing

Units ......................................... 16

Rack Units.................................... 17

Model/Serial Number........................... 17

Manitowoc Cleaner and Sanitizer .............. 17

Ice Machine Warranty Information ............. 17

Ice Machine Heat of Rejection . . . . . . . . . . . . . . . . . . 18

Installation

Installation Requirements...................... 21

Potable Water Requirements . . . . . . . . . . . . . . . . . . . 22

Drain Connections.............................. 22

Ice Machine Clearance Requirements .......... 23

Cooling Tower Applications .................... 24

Electrical Service ............................... 25

Voltage ...................................... 25

Fuse/Circuit Breaker .......................... 25

Ground Fault Interrupter Circuit (GFIC) ........ 25

Maintenance

Cleaning and Sanitizing ........................ 27

Exterior Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

RF/RFS/RNS Models Cleaning/Sanitizing

Procedures ................................... 27

Parts removal for Cleaning/Sanitizing ......... 32

Ice Chute Removal - RFS & RNS Models ........ 33

Ice Chute Removal - RF Models................ 34

Ice Chute Switch Actuator Removal ........... 35

Cleaning sanitizing Procedure RN0400 ........ 36

Cleaning the Air filter and Condenser ......... 39

Removal from Service/Winterization ........... 40

10 Part Number 000007661 11/16

Sequence of Operation

Ice Making Sequence of Operation ............. 41

RF0244/RNS0244/RF0266/RF0385/RFS0385/

RNS0385/RF0388/RF0399 ..................... 41

RF0300....................................... 42

RFS0300/RNS0308 ............................ 43

RF0644/RF0650/RF1200/RFS1200/RF2300/

RFS2300...................................... 44

RF1200C/RF2300C............................ 45

RF1200C/RF2300C............................ 46

RN0400 ...................................... 47

RN1000/RN1400.............................. 54

RN1000C/RN1200C ........................... 57

Thermostat Settings............................ 61

Troubleshooting

RF0244/ RNS0244/RF0266/RF0385/RFS0385/

RF0388/RF0399/RNS0385 Troubleshooting .... 63

Self-Contained Air-Cooled .................... 63

RF0300 Troubleshooting ....................... 69

Self-Contained Air-Cooled .................... 69

RFS0300/RNS0300 Troubleshooting ........... 75

Self-Contained Air-Cooled .................... 75

RF0644/RF0650/RNS0600/RNS1000/RF1200

RFS1200 Troubleshooting ...................... 81

Self-Contained Air-Cooled .................... 81

Rotation Sensor Operation.................... 81

RNS1000/RF1200C/RFS1200C Troubleshooting 87

QuietQube Remote Air-cooled Models with

Remote Condensing Unit ..................... 87

RF1200R/RFS1200R Troubleshooting .......... 94

Head Section For Rack Refrigeration Systems .. 94

Rotation Sensor Operation.................... 94

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