Hoshizaki M029-897 Control Board CB Setting Menu, IM-500SAA, Category, Range, Do Not Adjust

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Control Board (CB) Setting Menu

 

 

 

 

IM-500SAA

Category

No.

Item

Range

Default

Compressor

37

Compressor Output Selection

0: X8 (DC Relay) On

1

 

 

DO NOT ADJUST

1: X1 (AC Relay) On

 

Anti-Slush

50

Pump De-Energized Time

0 to 90 sec.

0

Control

 

When temperature at evaporator (cube control)

0=ignore, no anti-slush

 

 

 

thermistor drops to 37°F (3°C) in the freeze cycle,

(1 sec. increments)

 

 

 

pump de-energizes for the length of time set.

 

 

 

 

 

 

 

 

51

Anti-Slush Control Water Supply Time

0 to 5 sec.

0

 

 

Time inlet water valve is energized while pump is

(1 sec. increments)

 

 

 

de-energized if pump de-energized time (CB Setting

 

 

 

 

50) is greater than 0.

 

 

 

 

 

 

 

Hard Water

60

Integrated Value

10 to 100%

10

Control

 

If hard water control water supply time (CB Setting

(00=100)

 

 

 

61) is greater than 0: After evaporator (cube control)

(1% increments)

 

 

 

thermistor indicates temperature of 32°F (0°C) in

 

 

 

 

freeze cycle, inlet water valve energized starting

 

 

 

 

when percentage of freeze cycle termination

 

 

 

 

temperature and freeze cycle time integrated value

 

 

 

 

has been achieved.

 

 

 

 

DO NOT ADJUST

 

 

 

61

Hard Water Control Water Supply Time

0 to 90 sec.

0

 

 

Time inlet water valve is energized after integrated

(1 sec. increments)

 

 

 

value (CB Setting 60) conditions are met.

 

 

 

 

Before using this setting, follow the instructions to

 

 

 

 

improve ice clarity; see "III.H.2. Ice Clarity."

 

 

 

 

 

 

 

Water Tank

70

If control board thermistor temperature is above

See Ranges Below

See

Ice Control

71

the water tank ice control lower temperature setting

 

Defaults

 

72

(CB Setting 74) and equal to or less than the

 

Below

 

74

water tank ice control upper temperature setting

 

 

 

 

(CB Setting 70) when freeze cycle termination

 

 

 

 

temperature (CB Setting 2) is met, the hot gas valve

 

 

 

 

energizes/de-energizes/energizes for the times set

 

 

 

 

by the hot gas valve energized/de-energized times

 

 

 

 

(CB Settings 71 and 72) to reduce bonding of the

 

 

 

 

water tank to the evaporator.

 

 

 

 

 

 

 

Water Tank

70

Water Tank Ice Control Upper Temperature

10 to 60°C

44

Ice Control

 

See CB Setting 70, 71, 72, 74 description above.

(1°C increments)

 

& Ice Bridge

 

Ice Bridge Control Temperature

 

 

Control

 

See CB Setting 73 description below.

 

 

 

 

 

 

 

Water Tank

71

Water Tank Ice Control Hot Gas Valve Energized

0 to 20 sec.

5

Ice Control

 

Time

(1 sec. increments)

 

 

 

See CB Setting 70, 71, 72, 74 description above.

 

 

 

 

 

 

 

 

72

Water Tank Ice Control Hot Gas Valve De-Energized

10 to 60 sec.

25

 

 

Time

(1 sec. increments)

 

 

 

See CB Setting 70, 71, 72, 74 description above.

 

 

 

 

 

 

 

Ice Bridge

73

Ice Bridge Control Hot Gas Valve De-Energized Time

0 to 30 sec.

0

Control

 

Time hot gas valve is de-energized after 20 sec. in

(1 sec. increments)

 

 

 

harvest cycle if control board thermistor temperature

 

 

 

 

is above the ice bridge control temperature

 

 

 

 

(CB Setting 70) when freeze cycle termination

 

 

 

 

temperature (CB Setting 2) is met.

 

 

 

 

 

 

 

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Contents HoshizakiHoshizaki America, Inc Stackable Square Cuber Model IM-500SAA618 Highway 74 South Peachtree City, GA Complete and detailed explanation of the problemPhone 1-800-233-1940 770 Fax Attn Hoshizaki Technical Support DepartmentCONTENTS Indicates a situation which could result in damage to the Important Safety Informationserious injury appliance or propertyWARNING, continued A. Construction I. Construction and Water/Refrigeration Circuit Diagram1. Air-Cooled Model SAA B. Water/Refrigeration Circuit Diagram Water TankShutdown and Restart Sequence Flow Chart II. Sequence of Operation and Service DiagnosisA. Sequence of Operation Flow Chart IM Control Board2. Harvest Cycle B. Sequence of Operation1. Startup Cycle 3. Freeze Cycle4. Shutdown C. Service Diagnosis Table No Ice Production - Possible CauseLong Freeze Cycle Low Ice Production - Possible CauseLong Harvest Cycle Slab Does Not Break Into Separate Cubes - Possible CauseCloudy Cubes - Possible Cause D. Bin Control Check and Cleaning 1. Bin Control Check2. Bin Control Cleaning E. Evaporator Thermistor Check III. Controls and Adjustments A. Control Switch B. Control BoardIM Control Board 1. Control Board LayoutPart Number P01873-01 Version 1.3A or Later 2. SERVICE 1 and SERVICE 2 Buttons 1. RESET ButtonC. Control Buttons D. Control Board Settings Freeze Cycle Water Supply Time 1 Partial Drain CB water supply time 1 CB Setting 12 timer terminatesFreeze Cycle Water Supply Time 2 Partial Drain CB DO NOT ADJUST 3. Press the RESET button to view the item’s value E. Control Board Information Display2. Use the SERVICE 1 and SERVICE 2 buttons to move through the list 4. Press the RESET button to return to listexample, 655,350 cycles Freeze cycles interrupted by bin control shutdown1.0A, displays as follows 1. Control Board Replacement F. Control Board Model Code Setting2. Checking or Changing the Control Board Model Code Page G. Error Codes a To increase dimple diameter H. Quick Adjustments1. Dimple Diameter b To decrease dimple diameterNormal Position 2. Ice ClarityDrain Position A. Refrigeration Circuit Service Information IV. Refrigeration Circuit and Component Service Information1. Refrigerant Recovery 2. Brazing 3. Evacuation and Recharge R-404AB. Component Service Information J. Pump Motor Assembly Refer to illustration for assemblyAssembly G. Water Pan AssemblyV. Maintenance 1. Remove the water from the icemaker water supply line VI. Preparing the Icemaker for Periods of Non-Use2. Drain the water tank VII. Disposal VIII. Technical Information A. Specification Data1. IM-500SAA B. Performance Data C. Wiring Diagram 1. IM-500SAA