Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki F-80 I MAH (-c), F-80 I MWH (-c) Control Box Layout, F-801MAH/-C, Gear Motor

Models: F-80 I MAH (-c) F-80 I MWH (-c)

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2. Control Box Layout

2. Control Box Layout

F-801MAH/-C

CONNECTOR

PRESSURE

SWITCH

START

CAPACITOR RUN

CAPACITOR

WATER CONTROL

RELAY

FLUSH

TIMER

TRANSFORMER

GEAR

MOTOR

RELAY

CIRCUIT PROTECT			FLUSH
CIRCUIT PROTECT			FLUSH
RELAY		GEAR	FLUSH
		MOTOR	SWITCH
	FAN	CAP.	ICE
	FAN		ICE
	MOTOR
	CAP		POWER
			POWER
	GEAR MOTOR		SWITCH
	PROTECT RELAY	STARTER
		STARTER
			FUSE
			FUSE
		CONTROL	(GEAR MOTOR)
		CONTROL
		TIMER

Note: The above component names are identical with the wiring label, but not with the parts list.

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Hoshizaki F-80 I MAH (-c), F-80 I MWH (-c) service manual Control Box Layout, F-801MAH/-C, Gear Motor

Contents

HoshizakiHoshizaki America, Inc Number Issued Revised“A Superior Degree of Reliability” Modular Flaker Models F-801MAH-C F-801MWH-CAttn HOSHIZAKI Technical Support Department Phone 1-800-233-1940 Technical Service 770 487-2331 FaxComplete and detailed explanation of the problem HOSHIZAKI AMERICA, INC 618 Highway 74 South Peachtree City, GACONTENTS 9. Removal and Replacement of Control Water Valve 5. Removal and Replacement of Expansion Valve7. Removal and Replacement of Evaporator Assembly 8. Removal and Replacement of Fan MotorF-801MAH I. Specification 1. IcemakerF-801MWH F-801MAH-C F-801MWH-C F-801MAH/-C II. General Information 1. ConstructionWater Supply Inlet Junction Box Water Regulator Compressor Drier F-801MWH/-CControl Water Valve Bin Control Ice Chute Evaporator Expansion Valve Flush Water Valve Control Box Gear MotorGEAR MOTOR 2. Control Box LayoutF-801MAH/-C RUN CAPACITOR CONTROL TIMERF-801MWH/-C FLUSHF-801MAH/-C III. Technical Information 1. Water Circuit and Refrigeration CircuitF-801MWH/-C F-801MAH/-C, F-801MWH/-C 2. Wiring Diagrams3. Sequence of Electrical Circuit b When reservoir has been filled, gear motor starts immediately c Compressor starts about 60 sec. after gear motor starts Page e Low water except water-cooled model Page Page h When flush timer operates for 15 min. every 12 hours Page Page Proper wiring. The unit starts 4. Timing ChartMiswiring. Circuit Protect Relay operates 60 sec 150 sec1 sec 1. CIRCUIT PROTECT RELAY 2. WATER LEVEL UPPER 3. FLOAT SWITCH LOWER F-801MAH 5. Performance DataWATER FLOW FOR CONDENSER F-801MWHF-801MAH-C F-801MWH-C 1. Adjustment of Water Regulating Valve water-cooled model only IV. Adjustment of Components2. Adjustment of Flake Size REMEDY V. Service Diagnosis 1. No Ice ProductionPROBLEM POSSIBLE CAUSEREMEDY PROBLEMPOSSIBLE CAUSE REMEDY PROBLEM2. Low Ice Production POSSIBLE CAUSEREMEDY 3. OtherPROBLEM POSSIBLE CAUSEb Evacuation and Recharge R-404A VI. Removal and Replacement of Components1. Service for Refrigerant Lines a Refrigerant Recovery2. Brazing DANGER 3. Removal and Replacement of Compressor 4. Removal and Replacement of Drier 5. Removal and Replacement of Expansion Valve Page Auger 7. Removal and Replacement of Evaporator AssemblyCutter Extruding HeadGear Motor Bearing-Lower and Mechanical Seal30 Turn on the power supply 27 When replacing the evaporatorc Check for leaks using nitrogen gas 140 PSIG and soap bubbles 28 Move the flush switch to the ICE positionSocket Head Cap Screw Evaporator Washer Socket Head Cap Screw Barrier Auger Mechanical Seal O-ring Bearing Lower Bolt WasherCoupling - Spline Rubber O-ring Nylon Ring Bolt Washer Cutter Extruding Head Washer9. Removal and Replacement of Control Water Valve 8. Removal and Replacement of Fan Motor10. Removal and Replacement of Flush Water Valve 1. Preparing the Icemaker for Long Storage VII. Cleaning and Maintenancea Cleaning Solution 2. Cleaning and Sanitizing Instructionsb Cleaning Procedure d Sanitizing Procedure - Initial c Sanitizing Solutione Sanitizing Procedure - Final 22 Turn on the power supply and start the automatic icemaking process 18 Move the flush switch to the “ICE” position and run the icemaker19 Turn off the power supply after 30 minutes 21 Flush out any solution from the storage bin3. Maintenance 4 Condenser except water-cooled model 3 Air Filter air-cooled model only