Manitowoc RF0244 Manuale utente

Technician’s

Handbook

This manual is updated as new information and models

are released. Visit our website for the latest manual.

www.manitowocice.com

America’s #1 Selling Ice Machine

Manitowoc

R Model

Flake & Nugget

Part Number 000007661 7/10

Read These Before Proceeding:

!Caution

Proper installation, care and maintenance are

essential for maximum performance and trouble-

free operation of your Manitowoc equipment. If

you encounter problems not covered by this

handbook, do not proceed, contact Manitowoc

Foodservice Group. We will be happy to provide

assistance.

Important

Routine adjustments and maintenance

procedures outlined in this handbook are not

covered by the warranty.

!Warning

PERSONAL INJURY POTENTIAL

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.

We reserve the right to make product

improvements at any time. Specifications and

design are subject to change without notice.

Part Number 000007661 7/10 3

Table of Contents

General Information

Model Numbers . . . . . . . . . . . . . . . . . . . . .7

Self Contained

Air & Water-Cooled Models . . . . . . . . .7

QuietQube Remote Air-cooled Models with

Remote Condensing Units . . . . . . . . .7

Model/Serial Number . . . . . . . . . . . . . . . .8

Manitowoc Cleaner and Sanitizer . . . . . .8

Ice Machine Warranty Information . . . . .8

Installation

Location of Ice Machine . . . . . . . . . . . . . .9

Installation Requirements . . . . . . . . . . . .9

Potable Water Requirements . . . . . . . . . .10

Drain Connections . . . . . . . . . . . . . . . . . .10

Ice Machine Clearance Requirements . .11

Cooling Tower Applications

(Water-Cooled Models Only) . . . . . . . . . .12

Heat of Rejection . . . . . . . . . . . . . . . . . . .13

RF Models . . . . . . . . . . . . . . . . . . . . . .13

RN Models . . . . . . . . . . . . . . . . . . . . .13

Electrical Service . . . . . . . . . . . . . . . . . . .13

Voltage . . . . . . . . . . . . . . . . . . . . . . . .13

Fuse/Circuit Breaker . . . . . . . . . . . . . .14

Ground Fault Interrupter Circuit (GFIC) 14

Maintenance

Cleaning and Sanitizing . . . . . . . . . . . . . .15

Exterior Cleaning . . . . . . . . . . . . . . . . .15

RF Models Cleaning/

Sanitizing Procedures . . . . . . . . . . . . .16

RN Models Cleaning/

Sanitizing Procedure . . . . . . . . . . . . . .22

Cleaning the Condenser . . . . . . . . . . .24

Removal from Service/Winterization . . .25

4 Part Number 000007661 7/10

Operation

Ice Making Sequence of Operation . . . . 27

Self-Contained Air-Cooled

RF0244/RF0266/RF0385/

RF0388/RF0399 . . . . . . . . . . . . . . . . . 27

Self-Contained Air-Cooled

RF0300 . . . . . . . . . . . . . . . . . . . . . . . . 27

Self-Contained Air-Cooled

RF0650/RF1200/RF2300 . . . . . . . . . . 28

QuietQube Remote Air-cooled Models with

Remote Condensing Units

RF1200C/RF2300C . . . . . . . . . . . . . . 29

Self-Contained Air-cooled &

Water-Cooled RN0400 . . . . . . . . . . . . 30

Self-Contained Air-Cooled &

Water-Cooled RN1000/RN1400 . . . . . 31

QuietQube Remote Air-cooled Models with

Remote Condensing Units

RN1000C/RN1200C . . . . . . . . . . . . . . 32

Thermostat Settings . . . . . . . . . . . . . . . . 34

RF Models . . . . . . . . . . . . . . . . . . . . . 34

Troubleshooting

Electrical Flowcharts . . . . . . . . . . . . . . . . 37

RF0244/RF0266RF0385//RF00388/

RF0399 Air & Water . . . . . . . . . . . . . . 38

RF0300 Air & Water . . . . . . . . . . . . . . 43

RF0650/RF1200 Air & Water . . . . . . . 48

RF2300 Air & Water . . . . . . . . . . . . . . 53

RN1000/RN1400 Air & Water . . . . . . . 60

RN1000C/RN1200C QuietQube . . . . . 68

RF1200C QuietQube . . . . . . . . . . . . . 78

RF2300C QuietQube . . . . . . . . . . . . . 84

Capillary Tube Models . . . . . . . . . . . . . . . 91

Thermostatic Expansion Valve Models . 92

Part Number 000007661 7/10 5

Component Specifications

Bin Thermostat . . . . . . . . . . . . . . . . . .93

Low Temperature Thermostat . . . . . . .93

High Pressure Cutout (HPCO) Control 93

Low Pressure Cutout (LPCO) Control .94

Fan Cycle Control . . . . . . . . . . . . . . . .94

Filter-Driers . . . . . . . . . . . . . . . . . . . . .95

Suction Cleanup Filter-Drier . . . . . . . .95

Total System Refrigerant Charge . . . .96

Charts

Cycle Times/24-Hour Ice Production/

Refrigerant Pressure Charts . . . . . . . . . .97

RF0244A . . . . . . . . . . . . . . . . . . . . . . .98

RF0266A . . . . . . . . . . . . . . . . . . . . . . .99

RF0385A . . . . . . . . . . . . . . . . . . . . . . .100

RF0388A . . . . . . . . . . . . . . . . . . . . . . .101

RF0399A . . . . . . . . . . . . . . . . . . . . . . .102

RF0300A . . . . . . . . . . . . . . . . . . . . . . .103

RF0650A . . . . . . . . . . . . . . . . . . . . . . .104

RF1200A . . . . . . . . . . . . . . . . . . . . . . .105

RF1200W . . . . . . . . . . . . . . . . . . . . . .106

RF2300A . . . . . . . . . . . . . . . . . . . . . . .107

RF2300W . . . . . . . . . . . . . . . . . . . . . .108

RN1000A . . . . . . . . . . . . . . . . . . . . . . .109

RN1000W . . . . . . . . . . . . . . . . . . . . . .110

RN1400A . . . . . . . . . . . . . . . . . . . . . . .111

RN1400W . . . . . . . . . . . . . . . . . . . . . .112

RN1078C . . . . . . . . . . . . . . . . . . . . . .113

RN1278C . . . . . . . . . . . . . . . . . . . . . .114

RF1278C . . . . . . . . . . . . . . . . . . . . . . .115

RF2378C . . . . . . . . . . . . . . . . . . . . . . .116

6 Part Number 000007661 7/10

Diagrams

Wiring Diagrams . . . . . . . . . . . . . . . . . . . 117

RF0244/RF0266/RF0385/

RF0388/RF0399 Air-Cooled . . . . . . . . 118

RF0300 Air-Cooled . . . . . . . . . . . . . . . 120

RF0650 - RF1200 Air-Cooled . . . . . . . 122

RF1200 Water-Cooled . . . . . . . . . . . . 124

RF2300 Air-Cooled & Water-cooled . . 126

RN1000/RN1400 Air & Water Cooled 128

RN1000C QuietQube Head Section . . 129

RN1200C QuietQube Head Section . . 130

RN2300C QuietQube Head Section . . 132

RCU Condensing Unit 1ph . . . . . . . . . 134

RCU Condensing Unit 3ph . . . . . . . . . 135

Refrigeration Tubing Schematics . . . . . 136

RF0244/RF0266/RF0388/RF0399

RF0300/RF0650 Air-cooled . . . . . . . . 136

RF1200 Air-cooled . . . . . . . . . . . . . . . 138

RF1200 Water-cooled . . . . . . . . . . . . 140

RF2300 Air-cooled . . . . . . . . . . . . . . . 142

RF2300 Water-cooled . . . . . . . . . . . . 144

RN1000/RN1400 Air & Water-cooled . 146

RN1000C QuietQube Head Section &

RCU1075 Condensing Unit . . . . . . . . 148

RN1200C QuietQube Head Section &

RCU1275 Condensing Unit . . . . . . . . 150

RN2300C QuietQube Head Section &

RCU2375 Condensing Unit . . . . . . . . 152

Part Number 000007661 7/10 7

General Information

Model Numbers

SELF CONTAINED

AIR & WATER-COOLED MODELS

QUIETQUBE REMOTE AIR-COOLED MODELS

WITH REMOTE CONDENSING UNITS

Flake Models

Self Storage

Air-Cooled Self Storage

Water-Cooled Modular

Air-Cooled

Modular

Water-

Cooled

RF0244A – – –

RF0266A – – –

RF0385A – – –

RF0388A – – –

RF0399A – – –

– – RF0300A –

– – RF0650A –

– – RF1200A –

– – RF2300A –

Nugget Models

Self Storage

Air-Cooled Self Storage

Water-Cooled Modular

Air-Cooled

Modular

Water-

Cooled

– – RN1008A RN1009W

– – RN1408A RN1409W

Flake Models

QuietQube Head RCU Remote

Condensing Unit

RF1278C RCU1275

RF2378C RCU2375

Nugget Models

QuietQube Head RCU Remote

Condensing Unit

RN1078C RCU1075

RN1278C RCU1275

8 Part Number 000007661 7/10

Model/Serial Number

These numbers are required when requesting

information from your local Manitowoc Distributor, or

Manitowoc Ice. The model and serial number are

listed on the MODEL/SERIAL NUMBER DECAL

affixed to the ice machine.

Manitowoc Cleaner and Sanitizer

Manitowoc Ice Machine Cleaner and Sanitizer are

available in 16 oz. (473 ml) bottles. These are the only

cleaners and sanitizers approved for use with

Manitowoc products.

Ice Machine Warranty Information

Warranty information for all ice machine models is

available on our website at www.manitowocice.com.

Cleaner Part Number Sanitizer Part Number

16 oz. 000000084 16 oz. 9405653

1 gal N/A 1 gal. 9405813

Part Number 000007661 7/10 9

Installation

Location of Ice Machine

The location selected for the ice machine must meet

the following criteria. If any of these criteria are not

met, select another location.

• The location must be free of airborne and other

contaminants.

• The location must not be near heat-generating

equipment or in direct sunlight.

• The location must be capable of supporting the

weight of the ice machine and a full bin of ice.

• The location must allow enough clearance for

water, drain and electrical connections in the rear

of the ice machine.

• The location must not obstruct airflow through or

around the ice machine.

Installation Requirements

• The air temperature must be at least 50°F (10°C),

but must not exceed 110°F (43°C).

• The water temperature must be at least 40°F

(4°C), but must not exceed 90°F (32°C).

• The ice machine and bin must be level.

• Vent the ice machine and bin drains separately.

• Bin drain termination must have an air gap.

• RF Models Only: A backflow preventer is required

on water inlet lines.

• Routine adjustments and maintenance procedures

outlined in this manual are not covered by the

warranty.

10 Part Number 000007661 7/10

Potable Water Requirements

• Plumbing must conform to local codes.

• Do not connect the ice machine to a hot water

supply. Be sure all hot water restrictors installed for

other equipment are working. (Check valves on

sink faucets, dishwashers, etc.)

• If water pressure exceeds maximum pressure

(70 psig [483 kPa] RN1000; 80 psig [552 kPa] for

all other models) obtain a water pressure regulator

from your Manitowoc distributor.

• A water shut-off valve is required to clean the ice

machine.

• A union for both the ice making and condenser

water lines is required.

• Water inlet lines require insulation to prevent

condensation.

• RF Models: A backflow preventer is required on

water inlet lines.

Drain Connections

• Drain lines must have a 1.5 inch drop per 5 feet of

run (2.5 cm per meter), and must not create traps.

• The floor drain must be large enough to

accommodate drainage from all drains.

• Separate insulated bin and water-cooled

condenser drain lines are required.

• The bin and ice machine drains require a vent.

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