Manuals / Hoshizaki / Kitchen Appliance / Refrigerator

Hoshizaki 73183 service manual Three Section, Model Shown CR3B-FS Models

Models: 73183

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3. Three Section

Reservoir

Cover

Float Switch

Reservoir

Power Cord CR3B-FS/HS

Power Cord CF3B-FS/HS

	Receptacle Box
	Top Receptacles Have Power		Control
	Lower Receptacles Do Not		Control
	Lower Receptacles Do Not		Module
			Module
		Condensate		Control Box
Thermostatic Expansion Valve		Pump			Thermostatic Expansion Valve
Thermostatic Expansion Valve

Condenser Fan Motor						Condenser Fan Motor
	Condenser					Condenser
Control Box						Front Panel
Compressor						Front Panel
Compressor
					Power
		Door Lock			Switch	Door Switch
		Door Lock				Door Switch
Control		Power Cords
Control	Power	Door Lock
Module	Power	Door Lock
Condensate	Switch
Condensate		Display
Pump		Display				Light
Pump		Module
		Module
Display Module

Door Door Gasket

• Evaporator

• Cabinet Thermistor

• Defrost Thermistor

• Evaporator Fan Shroud

Model Shown: CR3B-FS

Models

CR3B-FS/HS and CF3B-FS/HS

Page 11

Image 11

Hoshizaki 73183 service manual Three Section, Model Shown CR3B-FS Models

Contents

HoshizakiHoshizaki America, Inc Commercial Series Refrigerated Kitchen Equipment ModelsReach-In B-Series Phone 1-800-233-1940 Technical Support 770 487-2331 Fax Complete and detailed explanation of the problemHOSHIZAKI AMERICA, INC 618 Highway 74 South Peachtree City, GA Attn Hoshizaki Technical Support DepartmentCONTENTS 1. Refrigerant Recovery D. Diagnostic ChartV. Replacement of Components A. Service for Refrigerant LinesIndicates a situation which could result in damage to the unit Important Safety InformationIndicates a hazardous situation which could result in death or serious injuryPage 1. Refrigerated Volume and Shelf Space I. Specifications A. Nameplate RatingsB. Dimensions Unit mm in 2. One Section/Two Section/Three Section1. One Section II. General Information A. Construction2. Two Section Model Shown CR3B-FS Models 3. Three Section1. Startup/Cool Down B. Sequence of Operation1. Sequence Cycles and Shutdown a Refrigerator3. Cool Down Restart b Freezer1. Startup/Cool Down 2. Cool Down Achieved2. Sequence Flow Refrigerator Sequence Flow ChartCharts a Refrigerator2. Cool Down Achieved Freezer Sequence Flow Chartb Freezer 1. Startup/Cool Down1. Display Module Layout Display Module C. Display Modulec Changing the Temperature Display Scale F or C 2. Controls and Adjustmentsa Default Settings b Temperature Setpoint1. Control Module Layout D. Control ModuleRefrigerator Control Module Freezer Control ModuleProblem 2. Alarm SafetiesAlarm Signals Alarm Code1. Compressor External or Internal Overload 3. High-Pressure SwitchF. Mullion/Perimeter Heater G. ThermistorsIII. Technical Data A. Refrigeration Circuit 1. CR1B-FS/HS, CR3B-FS/HS B. Wiring DiagramsHigh-Pressure Switch 2. CR2B-FS/HS, CR3B-FS/HS High-Pressure SwitchDefrost Thermostat High-Pressure Switch3. CF1B-FS/HS, CF3B-FS/HS Defrost Thermostat High-Pressure Switch4. CF2B-FS/HS, CF3B-FS/HS Note Only the top receptacles have power 5. CR3B-FS/HS Receptacle Box Connection6. CF3B-FS/HS Receptacle Box Connection Note Only the top receptacles have powerA. Diagnostic Procedure IV. Service Diagnosis1. Refrigerator Defrost Diagnosis 9 Defrost2. Freezer Defrost Diagnosis 9 DefrostPage Defrost B. Control Module CheckStartup/Cool Down C. Thermistor Check 1. Unit Not Cooling D. Diagnostic ChartEvaporator is Frozen Up - Possible Cause 2. Evaporator is Frozen Up3. Defrost Fails to Terminate Unit Not Cooling - Possible Cause1. Refrigerant Recovery V. Replacement of ComponentsA. Service for Refrigerant Lines 3. Evacuation and Recharge 2. Brazing4 Close the low-side valve and high-side valve on the gauge manifold Component B. Important Notes for Component ReplacementC. Door Re-Hinging components ground wire1. Exterior A. CleaningB. Maintenance 2. Power Supply ConnectionC. Shutdown and Long Storage