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

Page 21
Freeze Cycle Water Supply Time 1: Partial Drain (CB

Control Board (CB) Setting Menu

 

 

 

 

IM-500SAA

Category

No.

Item

Range

Default

Water

12

Freeze Cycle Water Supply Time 1: Partial Drain (CB

0 to 90 sec.

30

Supply,

 

Setting 14)

(1 sec. increments)

 

continued

 

Freeze Cycle Water Supply Time 1: Full Drain (CB

 

60

 

 

 

 

 

Setting 14)

 

 

 

 

 

 

 

 

13

Water Temperature Correction Value

+0 to +20°C

11

 

 

Value added to correct the difference between

(1°C increments)

 

 

 

the temperature at the evaporator (cube control)

 

 

 

 

thermistor and actual water supply temperature.

 

 

 

 

 

 

 

 

14

Partial/Full Drain Selection

Partial=1; Full=0

1

 

 

Controls timing for inlet water valve and pump motor

 

 

 

 

in the freeze cycle.

 

 

 

 

Partial Drain: Pump motor energizes after freeze

 

 

 

 

cycle water supply time 1 (CB Setting 12) timer

 

 

 

 

terminates. During the first freeze cycle after startup

 

 

 

 

or following a bin control initiated shutdown and

 

 

 

 

restart, freeze cycle water supply times 1 and 2 (CB

 

 

 

 

Settings 12 and 15) are doubled.

 

 

 

 

Full Drain: Pump motor energizes after freeze cycle

 

 

 

 

water supply time 1 (CB Setting 12) timer terminates.

 

 

 

 

If full drain is selected, change freeze cycle making

 

 

 

 

water supply times 1 and 2 (CB Settings 12 and 15)

 

 

 

 

to the full drain times listed in this table and move

 

 

 

 

the water tank drain pipe to the drain position. For

 

 

 

 

details, see "III.H.2. Ice Clarity."

 

 

 

 

 

 

 

 

15

Freeze Cycle Water Supply Time 2: Partial Drain (CB

0 to 90 sec.

22

 

 

Setting 14)

(1 sec. increments)

 

 

 

 

 

 

 

 

Freeze Cycle Water Supply Time 2: Full Drain (CB

 

44

 

 

Setting 14)

 

 

Other

21

Stackable Bin Control

Yes=1; No=0

1

 

 

Allows for stacked units to be controlled through one

 

 

 

 

bin control.

 

 

 

 

DO NOT ADJUST

 

 

 

 

 

 

 

 

22

Refrigeration Circuit Cycling when Bin Full

On=1; Off=0

0

 

 

DO NOT ADJUST

 

 

 

 

 

 

 

Model

30

Type

0 to 3

3

 

 

0: WC, PS, No CondTherm, Ignore CB Setting 34

 

 

 

 

1: AC, No PS, No CondTherm, Use CB Setting 34

 

 

 

 

2: AC, No PS, CondTherm, Use CB Setting 34

 

 

 

 

3: AC, PS, No CondTherm, Use CB Setting 34

 

 

 

 

DO NOT ADJUST

 

 

Harvest

34

Harvest Cycle High Temperature Control

40 to 70°C

48

Cycle High

 

Active if type setting (CB Setting 30) is set to 1, 2,

(1°C increments)

 

Temperature

 

or 3. If control board thermistor temperature at the

 

 

Control

 

beginning of harvest cycle is equal to or greater than

 

 

 

 

the harvest cycle high temperature control setting,

 

 

 

 

fan motor operates continuously in harvest cycle.

 

 

Water

36

Water Regulating Valve Error Detection Temperature

0 to 50°C

0

Regulating

 

DO NOT ADJUST

0=ignore, air-cooled

 

Valve

 

 

model

 

 

 

 

(1°C increments)

 

 

 

 

 

 

21

Image 21
Contents Stackable Square Cuber Model IM-500SAA HoshizakiHoshizaki America, IncPhone 1-800-233-1940 770 Fax Complete and detailed explanation of the problem618 Highway 74 South Peachtree City, GA Attn Hoshizaki Technical Support DepartmentCONTENTS serious injury Important Safety InformationIndicates a situation which could result in damage to the appliance or propertyWARNING, continued I. Construction and Water/Refrigeration Circuit Diagram A. Construction1. Air-Cooled Model SAA Water Tank B. Water/Refrigeration Circuit DiagramA. Sequence of Operation Flow Chart II. Sequence of Operation and Service DiagnosisShutdown and Restart Sequence Flow Chart IM Control Board1. Startup Cycle B. Sequence of Operation2. Harvest Cycle 3. Freeze Cycle4. Shutdown No Ice Production - Possible Cause C. Service Diagnosis TableLong Harvest Cycle Low Ice Production - Possible CauseLong Freeze Cycle Slab Does Not Break Into Separate Cubes - Possible CauseCloudy Cubes - Possible Cause 1. Bin Control Check D. Bin Control Check and Cleaning2. Bin Control Cleaning E. Evaporator Thermistor Check B. Control Board III. Controls and Adjustments A. Control Switch1. Control Board Layout IM Control BoardPart Number P01873-01 Version 1.3A or Later 1. RESET Button 2. SERVICE 1 and SERVICE 2 ButtonsC. Control Buttons D. Control Board Settings water supply time 1 CB Setting 12 timer terminates Freeze Cycle Water Supply Time 1 Partial Drain CBFreeze Cycle Water Supply Time 2 Partial Drain CB DO NOT ADJUST 2. Use the SERVICE 1 and SERVICE 2 buttons to move through the list E. Control Board Information Display3. Press the RESET button to view the item’s value 4. Press the RESET button to return to listFreeze cycles interrupted by bin control shutdown example, 655,350 cycles1.0A, displays as follows F. Control Board Model Code Setting 1. Control Board Replacement2. Checking or Changing the Control Board Model Code Page G. Error Codes 1. Dimple Diameter H. Quick Adjustmentsa To increase dimple diameter b To decrease dimple diameter2. Ice Clarity Normal PositionDrain Position IV. Refrigeration Circuit and Component Service Information A. Refrigeration Circuit Service Information1. Refrigerant Recovery 3. Evacuation and Recharge R-404A 2. BrazingB. Component Service Information Assembly Refer to illustration for assemblyJ. Pump Motor Assembly G. Water Pan AssemblyV. Maintenance VI. Preparing the Icemaker for Periods of Non-Use 1. Remove the water from the icemaker water supply line2. Drain the water tank VII. Disposal A. Specification Data VIII. Technical Information1. IM-500SAA B. Performance Data 1. IM-500SAA C. Wiring Diagram