Hoshizaki F-1000MWF/-C, F-1000MAF/-C, F-1000MLF/-C, F-1000MRF/-C service manual Bussman GMD

Page 51

 

PROBLEM

 

POSSIBLE CAUSE

 

REMEDY

[4]

Water has been

a)

Gear Motor Fuse

1.

Blown Fuse.

1.

See "3. [3]." Find out

 

supplied, Fan Motor

 

(BUSSMAN GMD

 

 

 

the cause and replace

 

starts, but Gear

 

1.5A)

 

 

 

the Fuse.

 

 

 

 

 

 

 

 

Motor and

 

 

 

 

 

 

 

b)

Thermal Protector

1.

Bad contacts.

1.

Check for continuity

 

Compressor will not

 

 

(Gear Motor)

 

 

 

and replace.

 

start.

 

 

 

 

 

 

[5]

Gear Motor and

a)

Pressure Switch

1.

Dirty Air Filter or

1.

Clean.

 

Compressor start

 

 

 

Condenser.

 

 

 

but operate

 

 

 

 

 

 

 

 

 

2.

Ambient or

2.

Get cooler.

 

intermittently.

 

 

 

condenser water

 

 

 

 

 

 

 

temperature too

 

 

 

 

 

 

 

warm.

 

 

 

 

 

 

3.

Condenser water

3.

Check and get

 

 

 

 

 

pressure too low or

 

recommended

 

 

 

 

 

off. (Water-cooled

 

pressure.

 

 

 

 

 

model only)

 

 

 

 

 

 

4.

Water Regulating

4.

Adjust it lower.

 

 

 

 

 

Valve set too high.

 

 

 

 

 

 

 

(Water-cooled model

 

 

 

 

 

 

 

only)

 

 

 

 

 

 

5.

Fan not rotating.

5.

See "3. [1] a) Fan

 

 

 

 

 

 

 

Motor."

 

 

 

 

6.

Refrigerant

6.

Recharge.

 

 

 

 

 

overcharged.

 

 

 

 

 

 

7.

Refrigerant line or

7.

Clean and replace

 

 

 

 

 

components

 

drier.

 

 

 

 

 

plugged.

 

 

 

 

 

 

8.

Bad contacts.

8.

Check for continuity

 

 

 

 

 

 

 

and replace.

 

 

 

 

9.

Loose connections.

9.

Tighten.

[6]

Gear Motor starts,

a)

X2 Relay on Control

1.

Bad contacts.

1.

Replace.Check for

 

but Compressor will

 

Timer

 

 

 

continuity and replace.

 

not start or operates

 

 

2.

Coil winding opened.

2.

Replace Timer.

 

intermittently.

 

 

 

 

 

 

 

b)

Starter

1.

Bad contacts.

1.

Check for continuity

 

 

 

 

 

 

 

and replace.

 

 

 

 

2.

Coil winding opened.

2.

Replace.

 

 

 

 

3.

Loose Connections.

3.

Tighten.

 

 

c)

Start Capacitor or

1.

Defective.

1.

Replace.

 

 

 

Run Capacitor

 

 

 

 

 

 

d)

Compressor

1.

Loose connections.

1.

Tighten.

 

 

 

 

 

 

 

 

 

 

 

 

2.

Motor winding

2.

Replace.

 

 

 

 

 

opened or grounded.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.

Motor Protector

3.

Find out the cause of

 

 

 

 

 

tripped.

 

overheat or

 

 

 

 

 

 

 

overcurrent.

 

 

e)

Power Supply

1.

Circuit Ampacity too

1.

Install a larger-sized

 

 

 

 

 

low.

 

conductor.

[7]

Gear Motor and

a)

Refrigerant Line

1.

Gas leaks.

1.

Check for leaks with a

 

Compressor start,

 

 

 

 

 

leak detector. Reweld

 

but no ice is

 

 

 

 

 

leak, replace drier and

 

 

 

 

 

 

charge with

 

produced.

 

 

 

 

 

 

 

 

 

 

 

refrigerant. The

 

 

 

 

 

 

 

amount of refrigerant

 

 

 

 

 

 

 

is marked on

 

 

 

 

 

 

 

Nameplate or Label.

 

 

 

 

2.

Refrigerant line

2.

Replace the clogged

 

 

 

 

 

clogged.

 

component.

51

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Contents Modular Flaker Hoshizaki AMERICA, INC Contents Page 1000MAF Specification IcemakerWATER-COOLED Condenser 1000MWFWater TEMP. F 1000MRFCondensing Unit 1000MLF1000MAF-C Potable Water WATER-COOLED Condenser 1000MWF-C1000MRF-C 1000MLF-C URC-6F Condenser UnitSpecifications Model URC-6F Exterior 1000MAF/-C II. General Information Construction1000MWF/-C 1000MRF/-C 1000MLF/-C Control BOX Layout 1000MWF, F-1000MRF/-C Motor CAP 1000MAF/-C 1000MWF/-C 1000MRF/-C 1000MLF/-C 1000MAF/-C, F-1000MWF/-C, F-1000MRF/-C Wiring Diagrams1000MLF/-C Sequence of Electrical Circuit Page Compressor starts about 60 sec. after Gear Motor starts Page Low Water Except Water-cooled Model Page Page When Flush Timer operates for 15 min. every 12 hours Page Page Timing Chart Gear Motor Relay OFF FAN Motor Compressor OFF ICE Production Performance DataTotal Condenser Volume Heat of Rejection from Condenser Temp. F PER 24 HR 1150 Temp. F PER 24 HR 860 Temp. F PER 24 HR 790 Temp. F PER 24 HR 840 Temp. F PER 24 HR 1020 CCW No ICE Production Service DiagnosisBussman GMD LOW ICE Production Problem Possible Cause Remedy Others Problem Possible Cause Remedy Refrigerant Recovery F-1000MLF only VI. Removal and Replacement of ComponentsService for Refrigerant Lines Refrigerant Recovery Except F-1000MLF-CBrazing Removal and Replacement of Compressor Important Removal and Replacement of Drier Removal and Replacement of Expansion Valve Page Page Cutter Removal and Replacement of Evaporator AssemblyBEARING-LOWER and Mechanical Seal Page Page Removal and Replacement of Control Water Valve Removal and Replacement of FAN MotorRemoval and Replacement of Flush Water Valve Preparing the Icemaker for Long Storage VII. Maintenance and Cleaning InstructionsPage Cleaning Instructions Page Page Page Extruding Head Housing Gear Motor Auger Mechanical Seal Maintenance

F-1000MWF/-C, F-1000MRF/-C, F-1000MLF/-C, F-1000MAF/-C specifications

The Hoshizaki F-1000MRF/-C, F-1000MLF/-C, F-1000MAF/-C, and F-1000MWF/-C are exceptional commercial refrigeration units designed for various applications, including food storage and display in restaurants, grocery stores, and catering services. These models stand out for their superior build quality, advanced features, and energy-efficient performance, making them a top choice for businesses that require reliable refrigeration solutions.

One of the flagship features of these Hoshizaki models is their robust construction. They are designed with stainless steel, ensuring durability and ease of cleaning. The exterior is not only aesthetically appealing but also resistant to corrosion and impacts, making them suitable for a busy work environment. The interior is equally well-designed, with rounded corners and smooth surfaces that facilitate sanitization.

The Hoshizaki F-1000 series incorporates advanced cooling technologies, including a highly efficient refrigeration system that uses a combination of environmentally friendly refrigerants. This technology allows for rapid temperature recovery, ensuring that stored products remain at optimal temperatures, which is crucial for maintaining food safety. The models feature digital temperature controls, providing precise monitoring and adjustments for various storage needs.

Energy efficiency is another cornerstone of the F-1000 series. These units are designed to operate with minimal energy consumption, contributing to reduced operational costs. The use of high-efficiency condensers and evaporators enhances heat exchange, leading to lower energy usage while maintaining excellent cooling performance.

Versatility is a defining trait of the F-1000 models. They come in different configurations, such as glass door and solid door options, allowing businesses to select a model that fits their specific storage and display needs. The interior layout is spacious and equipped with adjustable shelving, maximizing storage potential and accommodating various food items.

Additionally, these units are equipped with user-friendly features. The digital display panel allows for easy monitoring of temperatures and system status. The self-diagnostic capabilities notify users of any potential issues, enabling prompt maintenance and reducing downtime.

In summary, the Hoshizaki F-1000MRF/-C, F-1000MLF/-C, F-1000MAF/-C, and F-1000MWF/-C models exemplify the perfect blend of durability, efficiency, and versatility. With cutting-edge technologies, energy-saving performance, and user-friendly designs, these refrigeration units meet the demands of the food service industry and provide reliable storage solutions for a variety of applications.
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