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Hoshizaki
F-300BAF service manual B. Wiring Diagram, Auxiliary Code K-1 and Earlier
Models:
F-300BAF
1
14
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Specifications
F-300BAF, F-500BAF Sequence Flow Chart and Component Operation
V. Removal and Replacement of Components
Maintenance
Number Issued Revised
IV. Service Diagnosis A. Diagnostic Procedure
Evaporator Assembly
Sanitizing Procedure - Initial
D. Timer Board
Cleaning - Flush Switch
Page 14
Image 14
B. Wiring Diagram
1. Auxiliary Code
K-1
and Earlier
F-300BAF
14
Page 13
Page 15
Page 14
Image 14
Page 13
Page 15
Contents
Self-Contained Flaker Model F-300BAF SERVICE MANUAL
Number Issued Revised
“A Superior Degree of Reliability”
HoshizakiHoshizaki America, Inc
Page
CONTENTS
1. Upper Bearing Wear Check
I. Specifications A. Icemaker
1. F-300BAF
1. F-300BAF
II. General Information A. Construction
The switch actuator is located in the ice storage bin
Bin Control Spout Evaporator Gear Motor Compressor
B. Ice Making Unit
1. F-300BAF
C. Control Box Layout
b Auxiliary Code K-2 and L-0
a Auxiliary Code K-1 and Earlier
c Auxiliary Code L-1 and M-0
d Auxiliary Code M-1 and Later
D. Timer Board
1. Solid-State Timer Board Control
1. Startup
E. Sequence of Operation
F. Ice Production Check
2. Fill Cycle
1. Startup
F-300BAF, F-500BAF Sequence Flow Chart and Component Operation
Components Energized when the Flush Switch is in the FLUSH Position
2. Shutdown & Restart
III. Technical Information A. Water Circuit and Refrigeration Circuit
F-300BAF
B. Wiring Diagram
1. Auxiliary Code K-1 and Earlier
2. Auxiliary Code K-2 and L-0
F-300BAF
3. Auxiliary Code L-1 and M-0
F-300BAF
4. Auxiliary Code M-1 and Later
F-300BAF
C. Sequence of Electrical Circuit
1. Fill Cycle
2. Ice Purge Cycle
When reservoir has filled, gear motor starts F-300BAF
3. Freeze Cycle
F-300BAF
4. Shutdown
F-300BAF
5. Cleaning - Flush Switch
F-300BAF
6. Low Water Safety
F-300BAF
7. Spout Safety Switch
F-300BAF
8. High Pressure Switch
In case of high pressure, pressure switch shuts down unit F-300BAF
D. Performance Data
1. F-300BAF
IV. Service Diagnosis A. Diagnostic Procedure
Page
Problem
B. Diagnostic Charts
1. No Ice Production
Possible Cause
Remedy
Problem
Possible Cause
Problem
2. Low Ice Production
Problem
Possible Cause
Possible Cause
3. Other
Problem
Remedy
1. Refrigerant Recovery
V. Removal and Replacement of Components
A. Service for Refrigerant Lines
2. Evacuation and Recharge R-404A
B. Brazing
C. Removal and Replacement of Compressor
D. Removal and Replacement of Drier
E. Removal and Replacement of Expansion Valve
12 Replace the panels in their correct positions
8 Check for leaks using nitrogen gas 140 PSIG and soap bubbles
11 Place the expansion valve cover in position
13 Plug the unit back in
F. Removal and Replacement of Evaporator Assembly Components
2. Removal and Replacement of Cutter
1. Upper Bearing Wear Check
5. Removal and Replacement of Evaporator
3. Removal and Replacement of Extruding Head
4. Removal and Replacement of Auger
6. Removal and Replacement of Mechanical Seal and Lower Housing
6a. Mechanical Seal
6b. Lower Housing
7. Removal and Replacement of Gear Motor
I. Removal and Replacement of Flush Water Valve
G. Removal and Replacement of Fan Motor
H. Removal and Replacement of Inlet Water Valve
8 Connect the hose to the water valve and secure it with the clamp
12 Move the flush switch to the ICE position 13 Check for water leaks
15 Move the flush switch to the ICE position
9 Pour water into the reservoir, and check for water leaks
1. Cleaning Solution
VI. Cleaning and Maintenance
A. Cleaning and Sanitizing Instructions
2. Cleaning Procedure
Spout A Spout A Packing
3. Sanitizing Solution
Evaporator Assembly
Bracket
4. Sanitizing Procedure - Initial
5. Sanitizing Procedure - Final
Snap Pin
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
2 Storage Bin and Scoop
B. Maintenance
1 Stainless Steel Exterior
3 Air Filter
C. Preparing the Icemaker for Long Storage