Service Manual
Table Of Contents
- Important Safety Information
- I. Construction and Water/Refrigeration Circuit Diagram
- A. Construction
- B. Icemaking Unit
- C. Water/Refrigeration Circuit Diagram
- II. Sequence of Operation and Service Diagnosis
- A. Sequence of Operation Flow Chart
- 1. Icemaking and Drain Cycle
- 2. Shutdown
- B. Service Diagnosis
- 1. Ice Production Check
- 2. Diagnostic Procedure
- C. Control Board Check
- D. Bin Control Check
- E. Float Switch Check and Cleaning
- F. Diagnostic Tables
- III. Controls and Adjustments
- A. Control Board
- 1. Control Board Layout Shown:
- 2. LED Lights and Audible Alarm Safeties
- 3. Ice Purge Cycle Bypass
- B. Controls and Adjustments
- 1. Default Dip Switch Settings
- 2. Infrared Sensor Shutdown Delay (S1 dip switch 1, 2, 3)
- 3. Drain Frequency Control (S1 dip switch 4)
- 4. Continuous Dispensing Timer (S1 dip switch 5 & 6)
- 5. Bin Control Selector (S1 dip switch 7)
- 6a. Mechanical Shutdown Delay (S1 dip switch 8) Auxiliary Code E-0:
- 6b. Agitation and Ice Purge Timer (S1 dip switch 8) Auxiliary Code F-0 and Later:
- 7. Mechanical Shutdown Delay (S1 dip switch 9) Auxiliary Code F-0 and Later
- 8a. Factory Use (S1 Dip Switch 9 & 10) Auxiliary Code E-0
- 8b. Factory Use (S1 Dip Switch 10) Auxiliary Code F-0 and Later
- C. Power Switch and Control Switch
- IV. Refrigeration Circuit and Component Service Information
- A. Refrigeration Circuit Service Information
- B. Component Service Information
- V. Maintenance
- VI. Disposal
- VII. Technical Information
- A. Specification & Performance Data Sheets
- 1. F-330BAJ
- 2. F-330BAJ-C
- B. Wiring Diagram
32
2. Infrared Sensor Shutdown Delay (S1 dip switch 1, 2, 3)
Infrared sensor shutdown delay is the delay between the infrared sensor detecting ice
(infrared sensor yellow LED ashing or steady) and the start of the shutdown sequence.
For dispenser unit applications, the ice level at shutoff may need to be adjusted
depending on the dispenser agitation or dispense method. Increasing the shutdown
delay setting allows for a higher level of ice in the bin before the icemaker shuts down.
For a typical dispenser unit application, a 100-sec. shutdown delay is recommended.
When used with a standard Hoshizaki ice storage bin, any shutdown delay setting is
acceptable. WARNING!Increasing the shutdown delay allows a higher level of ice
in the dispenser unit/ice storage bin before shutdown. This could lead to icemaker
movement or ice overow.
Note: Not Available this Model
S1 Dip Switch Setting
Infrared Sensor Shutdown Delay
No. 1 No. 2 No. 3
OFF OFF OFF 0 Seconds
ON OFF OFF 100 Seconds (1.6 minutes) (Factory Default)
OFF ON OFF 1100 Seconds (18.3 minutes)
OFF OFF ON 1650 Seconds (27.5 minutes)
ON ON OFF 2200 Seconds (36.7 minutes)
OFF ON ON 0 Seconds
ON ON ON 0 Seconds
3. Drain Frequency Control (S1 dip switch 4)
This unit is factory set for optimum performance with the 1-in-1 drain cycle (S1 dip
switch 4 in the off position). This setting allows for removal of sediment from the
evaporator without interrupting the icemaking process. An optional 1-in-12 drain cycle is
available.
S1 Dip Switch Setting
Drain Timer Interval Drain Valve Open
No. 4
OFF (1-in-1) 1 Hour 2 Seconds
ON (1-in-12) 11 Hours 45 Minutes 10 Minutes
4. Continuous Dispensing Timer (S1 dip switch 5 & 6)
DCM models only. The dispense mode switch on DCMs must be in the "CONTINUOUS"
position for this setting to apply. The factory setting allows ice to be dispensed
continuously as long as the dispense solenoid is activated.
Note: Not Available this Model
S1 Dip Switch Setting
Dispense Time
No. 5 No. 6
OFF OFF No Limit
ON OFF 20 Seconds
OFF ON 60 Seconds
ON ON No Limit