Hoshizaki
F-80 I MWH (-c), F-80 I MAH (-c)
service manual
F-801MWH/-C
Specifications
Wiring Diagrams
Control Timer
Proper wiring. The unit starts
Maintenance
Number Issued Revised
e Sanitizing Procedure - Final
IV. Adjustment of Components
VII. Cleaning and Maintenance
a Refrigerant Recovery
Page 14
F-801MWH/-C
14
Page 13
Page 15
Image 14
Page 13
Page 15
Contents
Modular Flaker Models F-801MAH-C F-801MWH-C
Number Issued Revised
“A Superior Degree of Reliability”
HoshizakiHoshizaki America, Inc
HOSHIZAKI AMERICA, INC 618 Highway 74 South Peachtree City, GA
Phone 1-800-233-1940 Technical Service 770 487-2331 Fax
Complete and detailed explanation of the problem
Attn HOSHIZAKI Technical Support Department
CONTENTS
8. Removal and Replacement of Fan Motor
5. Removal and Replacement of Expansion Valve
7. Removal and Replacement of Evaporator Assembly
9. Removal and Replacement of Control Water Valve
I. Specification 1. Icemaker
F-801MAH
F-801MWH
F-801MAH-C
F-801MWH-C
II. General Information 1. Construction
F-801MAH/-C
F-801MWH/-C
Water Supply Inlet Junction Box Water Regulator Compressor Drier
2. Control Box Layout
GEAR MOTOR
RUN CAPACITOR
CONTROL TIMER
FLUSH
III. Technical Information 1. Water Circuit and Refrigeration Circuit
F-801MWH/-C
2. Wiring Diagrams
F-801MAH/-C, F-801MWH/-C
3. 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 Chart
Miswiring. Circuit Protect Relay operates
60 sec
150 sec
1 sec
1. CIRCUIT PROTECT RELAY 2. WATER LEVEL UPPER 3. FLOAT SWITCH LOWER
5. Performance Data
WATER FLOW FOR CONDENSER
F-801MAH-C
F-801MWH-C
IV. Adjustment of Components
1. Adjustment of Water Regulating Valve water-cooled model only
2. Adjustment of Flake Size
POSSIBLE CAUSE
V. Service Diagnosis 1. No Ice Production
PROBLEM
REMEDY
REMEDY
POSSIBLE CAUSE
PROBLEM
2. Low Ice Production
REMEDY
3. Other
a Refrigerant Recovery
VI. Removal and Replacement of Components
1. Service for Refrigerant Lines
b Evacuation and Recharge R-404A
2. Brazing DANGER
3. Removal and Replacement of Compressor
4. Removal and Replacement of Drier
5. Removal and Replacement of Expansion Valve
Page
Extruding Head
7. Removal and Replacement of Evaporator Assembly
Cutter
Auger
Bearing-Lower and Mechanical Seal
Gear Motor
28 Move the flush switch to the ICE position
27 When replacing the evaporator
c Check for leaks using nitrogen gas 140 PSIG and soap bubbles
30 Turn on the power supply
Rubber O-ring Nylon Ring Bolt Washer Cutter Extruding Head Washer
Auger Mechanical Seal O-ring Bearing Lower Bolt Washer
Coupling - Spline
Socket Head Cap Screw Evaporator Washer Socket Head Cap Screw Barrier
8. Removal and Replacement of Fan Motor
9. Removal and Replacement of Control Water Valve
10. Removal and Replacement of Flush Water Valve
VII. Cleaning and Maintenance
1. Preparing the Icemaker for Long Storage
2. Cleaning and Sanitizing Instructions
a Cleaning Solution
b Cleaning Procedure
c Sanitizing Solution
d Sanitizing Procedure - Initial
e Sanitizing Procedure - Final
21 Flush out any solution from the storage bin
18 Move the flush switch to the “ICE” position and run the icemaker
19 Turn off the power supply after 30 minutes
22 Turn on the power supply and start the automatic icemaking process
3. Maintenance
3 Air Filter air-cooled model only
4 Condenser except water-cooled model
Top
Page
Image
Contents
