Technical Service Manual

Prodigy Series Modular Cuber

Technical Service Manual

Models C0322, C0522, C0722, C0330, C0530,

C0630, C0830, C1030, C1448, C1848 and

C2148 also includes CB0522, CB0330, CB0530,

CB0630, CB0830 and CB1030

Introduction

This technical manual covers the Prodigy line, excluding the Eclipse remote low side models.

All are shipped with an Installation and User's manual, which can be referred to separately.

General installation information is included in this manual.

Model Number Description . . . . . . . . . page 2

Water . . . . . . . . . . . . . . . . . . . . page 3

General Installation - Air or Water Cooled . page 4

Water purge setting . . . . . . . . . . . . page 8

General Installation - Remote . . . . . . . page 9

Pre-Charged Tubing Coupling Connections page 17

General Installation - Remote . . . . . . . page 18

Adjustments . . . . . . . . . . . . . . . . page 20

Prodigy Cuber System Information. . . . . page 21

Controller Information . . . . . . . . . . . page 22

How It Works - Air Cooled . . . . . . . . . page 24

How It Works - Water Cooled . . . . . . . page 25

How It Works - Remote. . . . . . . . . . . page 26

Electrical Sequence - Air or Water Cooled . page 27

Electrical Sequence - Remote Cooled . . . page 29

Remote Schematics . . . . . . . . . . . . page 31

Electrical Component Details . . . . . . . page 32

Refrigeration . . . . . . . . . . . . . . . . page 35

Water System . . . . . . . . . . . . . . . page 36

Control Operation . . . . . . . . . . . . . page 37

Control Safeties . . . . . . . . . . . . . . page 38

Restarts. . . . . . . . . . . . . . . . . . . page 39

Control Button Use (from standby) . . . . . page 40

Control Button Use - continued . . . . . . page 41

Diagnostics – Air Cooled . . . . . . . . . . page 42

Low Ice Making Capacity - Air Cooled . . . page 45

Makes Excessive Noise - Air Cooled. . . . page 46

Table of Contents

Diagnostics - Water Cooled . . . . . . . . page 47

Low ice Making Capacity - Water Cooled . page 50

Makes Excessive Noise - Water Cooled . . page 51

Diagnostics - Remote Air Cooled . . . . . page 52

Low Ice Making Capacity - Remote . . . . page 55

Makes Excessive Noise - Remote . . . . . page 56

Test Procedures - Sensors . . . . . . . . . page 57

Ice Thickness Sensor . . . . . . . . . . . page 58

Water Level Sensor . . . . . . . . . . . . page 59

Temperature Sensors . . . . . . . . . . . page 60

Test Procedures - Loads . . . . . . . . . . page 61

Compressor Electrical Chart . . . . . . . . page 62

Refrigerant Charges . . . . . . . . . . . . page 63

Test Procedures - Loads . . . . . . . . . . page 64

Technical Information . . . . . . . . . . . page 72

Heat Load & Condenser Water GPM . . . page 73

Controller Differences . . . . . . . . . . . page 74

Thermistor Values . . . . . . . . . . . . . page 75

Performance Data . . . . . . . . . . . . . page 76

Performance Data - Remotes . . . . . . . page 87

Wiring Diagrams . . . . . . . . . . . . . . page 95

Wiring Diagram . . . . . . . . . . . . . . . page 103

Repair Procedures . . . . . . . . . . . . . page 108

Refrigeration Removal and Replacement Procedures

. . . . . . . . . . . . . . . . . . . . . . . page 116

Optional add-on control information . . . . page 121

Selected Prodigy Cuber Suction Graphs. . page 126

Wiring Diagram - 50 Hz . . . . . . . . . . page 129

May 2011 Page 1

Model Number Description

Example:

• C0530SA-1C

• C= cuber. CB = Prodigy Advanced Sustainability Cuber

• 05= nominal ice capacity in 100s of pounds

• 30= nominal width of cabinet. Other sizes are 22 and 48.

• S= Cube size. S=small or half dice cube. M=medium or full dice cube

• A=Condenser type. A=air cooled. W=water cooled. R = Remote

• -1=Electrical code. -1=115 volts. -32=208-230 single phase. -3=208-230 three phase.

-6=230 50 Hz

• C=Series revision code. C=third series

Note: In some areas of this manual model numbers may include only the first five characters of the model number, meaning that the cube size, condenser type and voltage differences are not critical to the information listed there.

Scotsman reserves the right to make design changes and/or improvements at any time.

Specifications and design are subject to change without notice.

September 2011 Page 2

Water

The quality of the water supplied to the ice machine will have an impact on the time between cleanings and ultimately on the life of the product. There are two ways water can contain impurities: in suspension or in solution. Suspended solids can be filtered out. In solution or dissolved solids cannot be filtered, they must be diluted or treated. Water filters are recommended to remove suspended solids. Some filters have treatment in them for suspended solids. Check with a water treatment service for a recommendation.

RO water. This machine can be supplied with Reverse Osmosis water, but the water conductivity must be no less than 10 microSiemens/cm.

Potential for Airborne Contamination

Installing an ice machine near a source of yeast or similar material can result in the need for more frequent sanitation cleanings due to the tendency of these materials to contaminate the machine. Most water filters remove chlorine from the water supply to the machine which contributes to this situation. Testing has shown that using a filter that does not remove chlorine, such as the Scotsman Aqua Patrol, will greatly improve this situation, while the ice making process itself will remove the chlorine from the ice, resulting in no taste or odor impact.

Additionally, devices intended to enhance ice machine sanitation, such as the Scotsman Aqua

Bullet, can be placed in the machine to keep it cleaner between manual cleanings.

Water Purge

Cube ice machines use more water than what ends up in the bin as ice. While most water is used during ice making, a portion is designed to be drained out every cycle to reduce the amount of hard water scale in the machine. That’s known as water purge, and an effective purge can increase the time between needed water system cleaning.

In addition, this product has the capability to automatically vary the amount of water purgeed based on the purity of the water supplied to it. The water purge rate can also be set manually.

Adjustments of purge due to local water conditions are not covered by warranty.

October 2012 Page 3

General Installation - Air or Water Cooled

Location Limitations:

The product is designed to be installed indoors, in a controlled environment. Air cooled models discharge very warm air into the room out the back. Space must be allowed at the left side and back for air intake and discharge. Water cooled models discharge warm water into the building’s drain. Space needs to be provided on both sides and above for service access.

Space Limitations

Note: Although the machine will function, ice capacity of air cooled machines will be significantly reduced with minimal clearance at the sides, back and top. Some space is recommended for service and maintenance purposes on all models.

6" of space at the sides and back are required for adequate operation. To get the most capacity, locate the machine away from heat producing appliances and heating ducts.

22 and 30 inch wide models: Airflow is in the left side, out the back (as viewed from the front).

48 inch wide models: Air flow is in the front and left side and out the back.

Environmental Limitations

Air temperature

Water temperature

Water pressure

Minimum

50 o

F.

40 o

F.

20 psi

Maximum

100 o

F.

100 o

F.

80 psi

Power supply – acceptable voltage ranges

115 volt model

208-230 volt model

Minimum

104 volts

198 volts

Maximum

126 volts

253 volts

Warranty Information

The warranty statement for this product is provided separately from this manual. Refer to it for applicable coverage. In general warranty covers defects in material or workmanship. It does not cover maintenance, corrections to installations, or situations when the machine is operated in circumstances that exceed the limitations printed above.

October 2012 Page 4


Plumbing Requirements

All models require connection to cold, potable water. A hand actuated valve within site of the machine is required. Air cooled models have a single 3/8” FPT inlet water connection.

Water cooled models have the same inlet fitting plus an additional 3/8” FPT condenser inlet water connection.

Water Filters

If connecting to water filtration, filter only the water to the reservoir, not to the condenser.

Install a new cartridge if the filters were used with a prior machine.

All models require drain tubing to be attached to them. Air cooled models have a single ¾”

FPT drain fitting in the back of the cabinet. Water cooled models have the same fitting plus an additional ½” FPT drain fitting in the back of the cabinet.

Install new tubing when replacing a prior ice machine, as the tubing will have been sized for the old model and might not be correct for this one.

Note: This NSF listed model has a 1" anti-back flow air gap between the water inlet tube end and the highest possible reservoir water level, no back flow device is required for the potable water inlet.

Drain Tubing:

Use rigid drain tubes and route them separately – do not Tee into the bin’s drain and, if water cooled, do not Tee the condenser drain into the reservoir or bin drain.

Vent the reservoir drain. A vertical vent at the back of the drain, extended about 8 – 10” will allow the gravity drain to empty and also keep any surges during draining from discharging water out the vent..

Horizontal runs of drain tubing need a ¼” fall per foot of run for proper draining.

Follow all applicable codes.

August 2013 Page 5


Electrical

See the spec sheet or User's Manual for Minimum Circuit Ampacity or Maximum Fuse Size ratings.

The machine is not supplied with a power cord, one must either be field installed or the machine hard-wired.

The dataplate on the back of the cabinet details the power requirements, including voltage, phase, minimum circuit ampacity and maximum fuse size. HACR type circuit breakers may be used in place of fuses. Extension cords are not permitted. Use of a licensed electrician is recommended.

Electrical connections are made inside the junction box in the back panel of the ice machine.

Follow all applicable local, state and national codes.

October 2012 Page 6


Adjustments

Note: Indentations may be deeper on C0322 and C0330

1/8" indentation

Ice Bridge Thickness

Caution: Do not make the bridge too thin or the machine will not harvest properly. Bridge thickness adjustments are not covered by warranty.

1/8-3/16" bridge

Shut machine off.

Access the ice thickness sensor.

Check gap between metal tip and evaporator grid. Small cube standard gap is 3/16 inch, medium cube standard gap is 7/32 inch. To set, place a 3/16" (small cube) or 7/32"

(medium cube) drill bit between sensor tip and evaporator to check. Adjust gap using adjustment screw.

Restart unit and check ice bridge. Repeat as needed.

Too Big Just Right

Too Small

Ice Bridge Thickness Measurement

Adjustment

Screw

Gap

Ice Thickness Sensor Adjustment

Evaporator

Ice Thickness Sensor

Gap

Side View of Evaporator and Ice Thickness

Sensor

October 2012 Page 7

Water purge setting

The water purge is factory set to the Automatic setting. The setting can be changed to one of 5 manual settings or placed on automatic. The purge setting shows in the Code Display.

purge setting

Water

Type

1 -

Minimum

2 -

Moderate

RO water or equivalent,

TDS less than 35

Low TDS non - RO water

3 -

Standard

Setting for typical water

4 -

Heavy

High

TDS water

5 -

Maximum

Very high

TDS water, greater than

256

A - Automatic

Any with conductivity not less than

10 microSiemens/ cm

To set:

Switch the machine OFF by holding the Off button in until a number or the letter A shows on the display.

Press and release the On button repeatedly until the number on the display corresponds to the desired setting.

Press and release the Off switch again to return to the normal control state.

October 2012 Page 8

General Installation - Remote

Location Limitations

This ice system is made up of three parts, the ice making machine, or head; the remote condenser; and the interconnecting tubing. The ice making machine must be installed indoors, in a controlled environment. Space must be provided near the machine for service access. The remote condenser may be installed above or below the ice machine, per the limits stated later in this manual. The remote condenser may be installed outdoors within the temperature limits listed below. The interconnecting tubing must be installed per the directions stated in this manual, and the amount of tubing exposed to uncontrolled temperatures must be minimized.

Space Limitations

Although the machine will function with no clearance to the top and sides, some space must be allowed for service access. Building the machine in with no access will cause higher service cost, in many cases this extra cost may not be covered by warranty.

Environmental Limitations, ice machine:

Air temperature

Water temperature

Water Pressure

Minimum

50 o

F.

40 o

F.

20 psi

Maximum

100 o

F.

100 o

F.

80 psi

Environmental Limitations, remote condenser

Air temperature

Minimum

-20 o

F.

Maximum

120 o

F.

Power Supply

115 volt model

208-230 volt model

Minimum

104 volts

198 volts

Maximum

126 volts

253 volts

Warranty Information

The warranty statement for this product is provided separately from this manual. Refer to it for applicable coverage. In general warranty covers defects in material and workmanship. It does not cover maintenance, corrections to installations, or situations when the ice machine is operated in circumstances that exceed the limitations printed above.

October 2012 Page 9


Product Description and Electrical Requirements

- See spec sheet or User's Manual for Minimum Circuit Ampacity or Maximum Fuse SIze

Dimensions w” x d” x h”

22 x 24 x 23 same

30 x 24 x 23 same same

30 x 24 x 29 same same same

48 x 24 x 29 same same same same same

Model

C0522SR-1 same

C0530SR-1 same

C0630SR-32

C0830SR-32

C0830SR-3

C1030SR-32

C1030SR-3

C1448SR-32

C1448SR-3

C1848SR-32

C1848SR-3

C2148SR-32

C2148SR-3

Electrical

115/60/1 same

115/60/1 same

208-230/60/1

208-230/60/1

208-230/60/3

208-230/60/1

208-230/60/3

208-230/60/1

208-230/60/3

208-230/60/1

208-230/60/3

208-230/60/1

208-230/60/3

Use condenser

ERC111-1

ERC211-1**

ERC111-1

ERC211-1**

ERC311-32

ERC311-32

ERC311-32

ERC311-32

ERC311-32

ERC311-32

ERC311-32

ERC611-32

ERC611-32

ERC611-32

ERC611-32

** ERC211 has two circuits, when two C0522s or C0530s are connected to it, fan motor relay kit KCMR120 must be used to control the fan motor.

Ratings include the remote condenser motor, as it is designed to be powered by the ice machine. If connecting remote condenser independently of the ice machine, use the information on the condenser's dataplate for fuse and wire sizes.

Table notes: Medium cube models have the same electrical characteristics as Small. Series revision code omitted. All the listed condensers include a headmaster valve.

October 2012 Page 10


Central Condenser Coils

The ice machine may be connected to a central condenser coil. The requirements are:

• Coil – not previously used with mineral oil system. Virgin coil preferred.

• Correct size (internal volume) and capacity (BTUH).

• Includes a headmaster valve for discharge pressure control. Headmaster kit available for certain MAC condensers, kit number is

RCKCME6GX

.

• Fan motor on all the time or controlled to be on whenever the ice machine is operating.

• Non-Scotsman condensers must have prior Scotsman Engineering approval for warranty coverage to be in effect.

Precharged tubing kits:

The ice making head’s and the remote condenser’s refrigeration circuits must be connected.

They are designed to be connected using precharged refrigerant tubing, supplied in kits of liquid and discharge tubes. Several lengths are available, order the one that just exceeds the length needed for the site.

10”

RTE10

25’

RTE25

40’

RTE40

75’

RTE75

No additional refrigerant is required. Note: Refrigerant charge is supplied with the ice machine.

January 2009 Page 11


Water

The quality of the water supplied to the ice machine will have an impact on the time between cleanings and ultimately on the life of the product. There are two ways water can contain impurities: in suspension or in solution. Suspended solids can be filtered out. In solution or dissolved solids cannot be filtered, they must be diluted or treated. Water filters are recommended to remove suspended solids. Some filters have treatment in them for suspended solids. Check with a water treatment service for a recommendation.

RO water. This machine can be supplied with Reverse Osmosis water, but the water conductivity must be no less than 10 microSiemens/cm.

Potential for Airborne Contamination

Installing an ice machine near a source of yeast or similar material can result in the need for more frequent sanitation cleanings due to the tendency of these materials to contaminate the machine. Most water filters remove chlorine from the water supply to the machine which contributes to this situation. Testing has shown that using a filter that does not remove chlorine, such as the Scotsman Aqua Patrol, will greatly improve this situation, while the ice making process itself will remove the chlorine from the ice, resulting in no taste or odor impact.

Additionally, devices intended to enhance ice machine sanitation, such as the Scotsman Aqua

Bullet, can be placed in the machine to keep it cleaner between manual cleanings.

Water purge

Cube ice machines use more water than what ends up in the bin as ice. While most water is used during ice making, a portion is designed to be drained out every cycle to reduce the amount of hard water scale in the machine. That’s known as water purge, and an effective purge can increase the time between needed water system cleaning.

In addition, this product is designed to automatically vary the amount of water purged based on the purity of the water supplied to it. The water purge rate can also be set manually.

Adjustments of purge due to local water conditions are not covered by warranty.



Remote Condenser Location

Use the following for planning the placement of the condenser relative to the ice machine - see illustration on the following page.

Location Limits - condenser location must not exceed ANY of the following limits:

• Maximum rise from the ice machine to the condenser is 35 physical feet

• Maximum drop from the ice machine to the condenser is 15 physical feet

• Physical line set maximum length is 100 feet.

• Calculated line set length maximum is 150.

Calculation Formula:

• Drop = dd x 6.6 (dd = distance in feet)

• Rise = rd x 1.7 (rd = distance in feet)

• Horizontal Run = hd x 1 (hd = distance in feet)

• Calculation: Drop(s) + Rise(s) + Horizontal Run = dd+rd+hd = Calculated Line Length

Configurations that do NOT meet these requirements must receive prior written authorization from Scotsman.

Do NOT:

• Route a line set that rises, then falls, then rises.

• Route a line set that falls, then rises, then falls.

Calculation Example 1:

The condenser is to be located 5 feet below the ice machine and then 20 feet away horizontally.

5 feet x 6.6 = 33. 33 + 20 = 53. This location would be acceptable

Calculation Example 2:

The condenser is to be located 35 feet above and then 100 feet away horizontally. 35 x 1.7 =

59.5. 59.5 +100 = 159.5. 159.5 is greater than the 150 maximum and is NOT acceptable.

Operating a machine with an unacceptable configuration is misuse and will void the warranty.



For The Installer: Remote Condenser

Locate the condenser as near as possible to the interior location of the ice machine.

Note: The location of the condenser is relative to the ice machine is LIMITED by the specification on the prior page.

Meet all applicable building codes.

Roof Attachment

Install and attach the remote condenser to the roof of the building, using the methods and practices of construction that conform to the local building codes, including having a roofing contractor secure the condenser to the roof.

rd

Max

35'

Remote

Condenser

Locate ABOVE dd

Max

15'

Remote

Condenser

Locate BELOW


Condenser

Distance &

Location


Precharged Line Routing

Do not connect the precharged tubing until all routing and forming of the tubing is complete.

See the Coupling Instructions for final connections.

1. Each set of pre-charged tubing lines contains a 3/8” diameter liquid line, and a 1/2” diameter discharge line. Both ends of each line have quick connect couplings, the end without access valves goes to the ice maker.

Note: The openings in the building ceiling or wall, listed in the next step, are the minimum sizes recommended for passing the refrigerant lines through.

2. Have the roofing contractor cut a minimum hole for the refrigerant lines of 1 3/4”. Check local codes, a separate hole may be required for the electrical power supply to the condenser.

Caution: Do NOT kink the refrigerant tubing while routing it.

3. Route the refrigerant tubes thru the roof opening. Follow straight line routing whenever possible. Excess tubing may EITHER be coiled up INSIDE the building OR cut out prior to connection to the ice maker and condenser.

If the excess tubing is cut out, after re-brazing the tubing must be evacuated prior to connection to the ice maker or condenser.

Note brazing requires a nitrogen purge.

If the excess tubing is to be coiled, spiral it horizontally to avoid excess trapping in the lines.

5. Have the roofing contractor seal the holes in the roof per local codes



Coupling Instructions

The couplings on the ends of the pre-charged line sets are self-sealing when installed properly.

Follow these instructions carefully.

These steps must be performed by an EPA Certified Type II or higher technician.

Initial Connections

1. Remove the protector caps and plugs. Wipe the seats and threaded surfaces with a clean cloth to remove any possible foreign matter.

2. Lubricate the inside of the couplings, especially the O-rings, with refrigerant oil.

3. Position the fittings on the correct connections on the condenser and ice machine.

• The 1/2" discharge line (schrader valve end) goes to the remote condenser fitting marked

“discharge line”.

• The 3/8" liquid line (schrader valve end) goes to the remote condenser fitting marked

“liquid line”.

• The 1/2" discharge line goes to the ice maker fitting marked “discharge line”.

• The 3/8" liquid line goes to the ice maker fitting marked “liquid line”.

Final Connections:

4a. Begin by tightening the couplings together by hand until it is certain that the threads are properly engaged.

4b. Then using two wrenches tighten the coupling until it bottoms out or a definite increase in resistance is felt.

It is important that ONLY the nut on the pre-charged tube be turned, or the diaphragms will be torn out by the piercing knives and they will be loose in the refrigeration system. Note: As the couplings are tightened, the diaphragms in the quick connect couplings will begin to be pierced. As that happens, there will be some resistance to tightening the swivel nut.

4c. Continue tightening the swivel nut until it bottoms out or a very definite increase in resistance is felt (no threads should be showing).

5. Use a marker or pen to mark a line on the coupling nut and unit panel. Then tighten the coupling nut an additional one-quarter turn. The line will show the amount that the nut turns.

Do NOT over tighten.

6. After all connections have been made, and after the receiver valve has been opened (open at Initial Start Up), check the couplings for leaks.


Pre-Charged Tubing Coupling Connections

Inspect couplings, wipe clean and lubricate both parts with polyolester refrigerant oil.

Hand tighten to be sure threads are properly engaged.

Use two wrenches and continue tightening the couplings. As the diaphragms being to pierce, the couplings will be harder to turn. Be sure only the swivel nut is rotated.

Continue tightening until the swivel nut feels like it is tight, then go to the next step. No threads will be seen when the couplings are tight.

After the swivel nut feels like it is tight, mark the nut and the panel. Then tighten one quarter turn more. That ensures that there is a brass-to-brass joint inside the coupling.



Plumbing Requirements

All models require connection to cold, potable water. A hand actuated valve within site of the machine is required.

Water Filters

Install a new cartridge if the filters were used with a prior machine.

All models require drain tubing to be attached to them. There is a single ¾” FPT drain fitting in the back of the cabinet.

Install new tubing when replacing a prior ice machine, as the tubing will have been sized for the old model and might not be correct for this one.

Connect water supply to water inlet fitting.

Note: This NSF listed model has a 1" anti-back flow air gap between the potable water inlet tube end and the highest possible reservoir water level, no back flow device is required.

Connect drain tubing to drain fitting.

Route the drain tubing to building drain. Follow local codes for drain air gap.

Use rigid drain tubes and route them separately – do not Tee into the bin’s drain.

Vent the reservoir drain. A vertical vent at the back of the drain, extended about 8 – 10” will allow the gravity drain to empty and also keep any surges during draining from discharging water.

Horizontal runs of drain tubing need a ¼” per fall per foot of run for proper draining.

Follow all applicable codes.

August 2013 Page 18


Electrical

The machine is not supplied with a power cord, one must either be field installed or the machine hard-wired.

The dataplate on the back of the cabinet details the power requirements, including voltage, phase, minimum circuit ampacity and maximum fuse size. HACR type circuit breakers may be used in place of fuses. Extension cords are not permitted. Use of a licensed electrician is recommended.

The ice maker is designed to operate on its own electrical circuit and must be individually fused. Voltage variation must not exceed the limits listed earlier.

The remote condenser is designed to be powered from the ice machine. A separate knockout hole has been provided in the ice maker electrical junction box.

Electrical connections are made inside the junction box in the back panel of the ice machine.

Remove the junction box cover and route the power cord through the access hole and properly attach the power supply wires to the leads in the junction box.

Attach the remote condenser fan motor wires to the wires in the junction box tagged “fan motor leads”.

Install field supplied strain reliefs per code. Attach a ground wire to the ground connection in the junction box.

Check voltage when complete.

Return the junction box cover to its original position and secure with the original screws.

Follow all applicable local, state and national codes.


Adjustments

Bridge Thickness - For the Service Tech

Only

Push and hold Off till the machine stops.

Access ice thickness sensor.

Adjustment

Screw

Check gap between metal tip and evaporator grid. Small cube standard gap is 3/16 inch, medium cube standard gap is 7/32 inch. To set, place a 3/16" (small cube) or 7/32"

(medium cube) drill bit between sensor tip and evaporator to check. Adjust gap using adjustment screw.

Gap

Restart unit and check ice bridge. Repeat as needed

Caution: Do not make the bridge too thin or the machine will not harvest properly. Bridge thickness adjustments are not covered by warranty.

Water purge setting

The water purge is factory set to Automatic. The setting can be changed to one of 5 manual settings or left on automatic.

purge setting

Water

Type

1 -

Minimum

RO water or equivalent,

TDS less than 35

2 -

Moderate

Low TDS non - RO water

3 -

Standard

Setting for typical water

4 -

Heavy

High

TDS water

5 -

Maximum

Very hHigh

TDS water, greater than 256

A - Automatic

Any with conductivity not less than 10 microSiemens/ cm

To set:

Switch the machine OFF by holding the Off button in until a number or the letter A shows on the display.

Press and release the On button repeatedly until the number on the display corresponds to the desired setting.

Press and release the Off switch again to return to the normal control state.


Prodigy Cuber System Information

Overall System Type:

• Refrigeration: Mechanical, either air cooled, water cooled or remote cooled.

• Water System: Inlet water solenoid valve fills reservoir once per cycle. Purge solenoid valve opens to discharge some reservoir water once per cycle.

• Control System: Electronic

• Harvest cycle sensor: Conductivity probe

• Water full/empty sensor: Conductivity probe

• Bin Control: Curtain Switch

• Ice type: Unified

• Harvest system: Hot gas defrost with mechanical assist

Electrical Components:

• Compressor

• Contactor

• Water Pump

• Inlet Water Solenoid Valve

• Purge or purge Valve

• Fan Motor(s)

• Fan motor pressure control

• High pressure cut out – certain AC models only

• Harvest Assist Solenoid(s)

• Hot Gas Valve(s)

• Controller

• Transformer – 12v AC for the controller only

• Water Level Sensor

• Ice Thickness Sensor

• Curtain Switch(es)


Controller Information

Machine Indicator Lights

• Power

• Status

• Water

• Clean

Code Display

Main codes - automatically displayed

F . . . . . . . Freeze Cycle

F flashes . . Freeze Cycle is Pending

H . . . . . . . Harvest Cycle

H flashes . . Manual Harvest

b . . . . . . . Bin is Full

C . . . . . . . Clean Cycle

L . . . . . . . Board Locked

d . . . . . . . Test Mode

O . . . . . . . Off

E . . . . . . . Self Test Failed

1

flashes . . Max Freeze - Retrying

1 . . . . . . . Max Freeze Time Shut Down

2 flashes . . Max Harvest - Retrying

2 . . . . . . . Max Harvest Time Shut Down

3 . . . . . . . Slow Water Fill

4 . . . . . . . High Discharge Temp

5 . . . . . . . Sump Temp Sensor Failure

7 . . . . . . . Discharge Temp Sensor Failure

8

flashes . . Short Freeze - Retrying

8 . . . . . . . Short Freeze - Thin ice

Setting Codes - requires push button sequence

Water Purge Settings

A, 1, 2, 3, 4, 5

De-Scale notification

- see table to the right

Change De-Scale Notification Interval -

This feature is accessible only from standby (Status Light Off).

1. Press and hold harvest button for 3 seconds.

This starts the Time to Clean

Adjustment Mode and displays the current time to clean setting.

2. Press the clean button repeatedly to cycle through the 4 settings:

Prior

3 months

4 months

5 months

Effective 11/6/08

1 year

0 or disabled

4 months

6 months (default) 6 months (default)

3. Push Off to confirm the selection.

November 2008 Page 22

Controller Information

Component Indicator Lights

• Condenser Fan / Aux (Aux = liquid line solenoid when a remote condenser model)

• Water Pump

• Purge Valve

• Water Solenoid

• Hot Gas

• Compressor

• Ready to Harvest

• Sump Empty

• Sump Full

• Curtain SW1

• Curtain SW2

Component Indicator Lights


How It Works - Air Cooled

Freeze Cycle. At start up the controller drains and refills the reservoir. The reservoir refills when the mid length water level sensor probe is uncovered and continues to fill until the top probe is in contact with water. When the reservoir has filled, the compressor and water pump start. After the discharge pressure has increased past the cut in point of the fan pressure control, the fan motor(s) will begin to operate and warm air will be discharged out the back of the cabinet. The fan motor will switch on and off as the discharge pressure rises and falls.

Water flows over the evaporator as the refrigeration system begins to remove heat. When the water temperature falls to a preset point, as measured by the water temperature sensor, the controller shuts off the water pump for 30 seconds. The freeze cycle resumes when the pump restarts and ice begins to form on the evaporator. As it forms, the water flowing over the ice moves closer and closer to the metal tip of the ice thickness sensor. When it comes into contact with the sensor for a few continuous seconds, that signals the controller that the freeze cycle is complete.

The controller may shut the air cooled fan motor off for a variable period of time to build up heat for harvest. This is dependant upon the temperature of the discharge line sensor.

Harvest Cycle. When the harvest cycle begins, the controller shuts off the fan motor, switches on the hot gas valve, and through a parallel circuit, the harvest assist solenoid. After a few seconds the purge valve opens and water is drained from the reservoir. Based on either the automatic purge or manual purge setting, the pump and purge valve will be switched off at a time determined to have drained enough water for that setting. The inlet water valve will open to fill the reservoir anytime the mid length probe is uncovered, which occurs during the reservoir drain cycle. Harvest continues as the hot discharge gas flows into the evaporator serpentine, heating up the evaporator. At the same time the harvest assist solenoid is pushing against the back of the ice slab. When the ice releases from the evaporator, it harvests as a unit, and the harvest assist probe provides some additional force to push it off. When the ice falls off it will force the curtain(s) open. An open curtain during the harvest cycle signals the controller that the evaporator has released its ice. If this is a single evaporator machine the controller will terminate harvest. If it is a two evaporator machine, the controller will continue harvest until both curtains have opened. If one curtain remains open, the controller will shut the machine down on bin full. Anytime harvest is complete the hot gas valve and harvest assist solenoid are shut off. The harvest assist solenoid pin returns to its normal position by spring pressure.

If the curtain(s) re-close after harvest, the freeze cycle will restart.


How It Works - Water Cooled

Freeze Cycle. At start up the controller drains and refills the reservoir. The reservoir refills when the mid length water level sensor probe is uncovered and continues to fill until the top probe is in contact with water. When the reservoir has filled, the compressor and water pump start. After the discharge pressure has increased past the set point of the water regulating valve, the water regulating valve will open and warm water will be discharged out the condenser drain. The water regulating valve will modulate to maintain a relatively constant discharge pressure. Water flows over the evaporator as the refrigeration system begins to remove heat. When the water temperature falls to a preset point, as measured by the water temperature sensor, the controller shuts off the water pump for 30 seconds. The freeze cycle resumes when the pump restarts and ice begins to form on the evaporator. As it forms, the water flowing over the ice moves closer and closer to the metal tip of the ice thickness sensor.

When it comes into contact with the sensor for a few continuous seconds, that signals the controller that the freeze cycle is complete.

Harvest Cycle. When the harvest cycle begins, the controller switches on the hot gas valve, and through a parallel circuit, the harvest assist solenoid. After a few seconds the purge valve opens and water is drained from the reservoir. Based on either the automatic purge or manual purge setting, the pump and purge valve will be switched off at a time determined to have drained enough water for that setting. The inlet water valve will open to fill the reservoir anytime the mid length probe is uncovered, which occurs during the reservoir drain cycle.

Harvest continues as the hot discharge gas flows into the evaporator serpentine, heating up the evaporator. At the same time the harvest assist solenoid is pushing against the back of the ice slab. When the ice releases from the evaporator, it harvests as a unit, and the harvest assist probe provides some additional force to push it off. When the ice falls off it will force the curtain(s) open. An open curtain during the harvest cycle signals the controller that the evaporator has released its ice. If this is a single evaporator machine the controller will terminate harvest. If it is a two evaporator machine, the controller will continue harvest until both curtains have opened. If a curtain remains open, the controller will shut the machine down on bin full. Anytime harvest is complete the hot gas valve and harvest assist solenoid are shut off. The harvest assist solenoid pin returns to its normal position by spring pressure.



How It Works - Remote

Freeze Cycle. At start up the controller drains and refills the reservoir. The reservoir refills when the mid length water level sensor probe is uncovered and continues to fill until the top probe is in contact with water. When the reservoir has filled, the liquid line valve, compressor and water pump are switched on. After the discharge pressure has increased past the set point of the headmaster in the condenser, the headmaster will direct refrigerant gas into the condenser and warm air will be discharged out of the condenser. The headmaster will modulate to maintain a minimum discharge pressure. Water flows over the evaporator as the refrigeration system begins to remove heat. When the water temperature falls to a preset point, as measured by the water temperature sensor, the controller shuts off the water pump for 30 seconds. The freeze cycle resumes when the pump restarts and ice begins to form on the evaporator. As it forms, the water flowing over the ice moves closer and closer to the metal tip of the ice thickness sensor. When it comes into contact with the sensor for a few continuous seconds, that signals the controller that the freeze cycle is complete.

Harvest Cycle. When the harvest cycle begins, the controller switches on the hot gas valve, and through a parallel circuit, the harvest assist solenoid. After a few seconds the purge valve opens and water is drained from the reservoir. Based on either the automatic purge or manual purge setting, the pump and purge valve will be switched off at a time determined to have drained enough water for that setting. The inlet water valve will open to fill the reservoir anytime the mid length probe is uncovered, which occurs during the reservoir drain cycle.

Harvest continues as the hot discharge gas flows into the evaporator serpentine, heating up the evaporator. At the same time the harvest assist solenoid is pushing against the back of the ice slab. When the ice releases from the evaporator, it harvests as a unit, and the harvest assist probe provides some additional force to push it off. When the ice falls off it will force the curtain(s) open. An open curtain during the harvest cycle signals the controller that the evaporator has released its ice. If this is a single evaporator machine the controller will terminate harvest. If it is a two evaporator machine, the controller will continue harvest until both curtains have opened. If a curtain remains open, the controller will shut the machine down. Anytime harvest is complete the hot gas valve and harvest assist solenoid are shut off.

The harvest assist solenoid pin returns to its normal position by spring pressure.


Shut down occurs when a curtain remains open after a harvest cycle. The controller will switch off the liquid line solenoid valve and operate the compressor for 30 seconds, then shut it off.

November 2006 Page 26

Electrical Sequence - Air or Water Cooled

Power connected, unit previously switched Off.

Control board does a self check. If the self check fails, the unit displays an E and no further action will occur.

If the self check passes, the controller will display a 0, the curtain light(s) will be ON and the

Power and Sump Empty lights will be ON.

Pushing and releasing the On button will start the ice making process.

The display will begin to blink F. The component indicator lights will switch on and off to match the following process:

The purge valve opens and the water pump starts to empty the reservoir. This is done to discharge any excess water from ice melting into the reservoir.

The hot gas valve and the harvest assist solenoid are energized.

The inlet water valve will open to fill the reservoir. The water valve can open any time the water level is low.

After a few seconds the purge valve closes and the pump shuts off.

When the reservoir is full the inlet water valve stops and the compressor switches on. Five seconds after the compressor starts the hot gas valve and the harvest assist solenoid are de-energized.

Light Information: The display shows a non-blinking F. The Power and Status Lights will be Green. The compressor, fan motor, water pump, sump full and one or two curtain switch lights will be ON.

The air cooled model's fan motor will start to turn when the discharge pressure has built up to the fan pressure control's cut in point. This is about 15 seconds after the compressor starts.

The Freeze cycle continues. The compressor, water pump, fan motor and curtain indicator lights will be ON. When the reservoir water temperature falls to a certain preset point, the water pump will shut off for 30 seconds. This is the anti-slush period. At this time the controller checks the conductivity of the water in the reservoir for the auto-purge feature. After the water pump restarts the Sump Full light will go out and neither sump lights will be on for the rest of the freeze cycle.

When the ice has built up enough so that the water flowing over the evaporator comes into continuous contact with the ice level sensor, the Ready to Harvest light will begin to blink on and off. When it has been On continuously for 5 seconds, the controller will switch the machine into a Harvest cycle.


Electrical Sequence - Air or Water Cooled

Indicator Information: The display shows a non-blinking H. The Power and Status Lights will be Green.

The compressor, hot gas valve and one or two curtain switch lights will be ON. After a few seconds the water pump, purge valve and inlet water valve lights will come on.

The fan motor(s) shut off and remain off throughout the harvest cycle.

The harvest assist solenoid is connected in parallel with the hot gas valve. Although it is energized throughout the harvest cycle, its piston does not move until the ice has become partially loosened from the evaporator plate by the action of the hot refrigerant gas passing through the evaporator serpentine.

The water pump and purge valve will shut off when the purge level setting time has been reached, either the manual time or the automatic time. The inlet water valve will remain on until it fills the reservoir. The Ready to Harvest light will switch Off when the ice falls from the evaporator.

Harvest continues until the ice slab is ejected from the evaporator and falls, opening the curtain. When the curtain opens, the magnetic reed curtain switch opens, breaking the circuit to the controller. If the curtain re-closes within 30 seconds, the controller switches the machine back into another freeze cycle. If the curtain switch remains open, the controller shuts the machine down and puts it into a standby position.


Electrical Sequence - Remote Cooled

Power connected, unit previously switched Off.

Control board does a self check. If the self check fails, the unit displays an E and no further action will occur.

If the self check passes, the controller will display a 0, the curtain light(s) will be ON and the

Power and Sump Empty lights will be ON.

Pushing and releasing the On button will start the ice making process.

The display will begin to blink F. The component indicator lights will switch on and off to match the following process:

The purge valve opens and the water pump starts to empty the reservoir. This is done to discharge any excess water from ice melting into the reservoir.

The hot gas valve and the harvest assist solenoid are energized.

The inlet water valve will open to fill the reservoir. The water valve can open any time the water level is low.

After a few seconds the purge valve closes and the pump shuts off.

When the reservoir is full the inlet water valve stops, the liquid line valve is opened and the compressor switches on. Five seconds after the compressor starts the hot gas valve and the harvest assist solenoid are de-energized.

Light Information: The display shows a non-blinking F. The Power and Status Lights will be Green. The compressor, fan motor, water pump, sump full and one or two curtain switch lights will be ON.

The Freeze cycle continues. When the reservoir water temperature falls to a certain preset point, the water pump will shut off for 30 seconds. This is the anti-slush period. At this time the controller checks the conductivity of the water in the reservoir for the auto-purge feature. After the water pump restarts the Sump Full light will go out and neither sump lights will be on for the rest of the freeze cycle.

When the ice has built up enough so that the water flowing over the evaporator comes into continuous contact with the ice level sensor, the Ready to Harvest light will begin to blink on and off. When it has been On continuously for 3 seconds, the controller will switch the machine into a Harvest cycle.

Indicator Information: The display shows a non-blinking H. The Power and Status Lights will be Green.

The compressor, hot gas valve and one or two curtain switch lights will be ON. After a few seconds the water pump, purge valve and inlet water valve lights will come on.


Electrical Sequence - Remote Cooled

The harvest assist solenoid is connected in parallel with the hot gas valve. Although it is energized throughout the harvest cycle, its piston does not move until the ice has become partially loosened from the evaporator plate by the action of the hot refrigerant gas passing through the evaporator serpentine.

The remote condenser fan motor is powered by the compressor contactor, so it will be operating during the harvest cycle.

The water pump and purge valve will shut off when the purge level setting time has been reached, either the manual time or the automatic time. The inlet water valve will remain on until it fills the reservoir. The Ready to Harvest light will switch Off when the ice falls from the evaporator.

Harvest continues until the ice slab is ejected from the evaporator and falls, opening the curtain. When the curtain opens, the magnetic reed curtain switch opens, breaking the circuit to the controller. If the curtain re-closes within 30 seconds, the controller switches the machine back into another freeze cycle. If the curtain switch remains open, the controller shuts the machine down and puts it into a standby position.


Remote Schematics

Remote Condenser

Head

Pressure

Control

Valve

Discharge Line

Receiver

Hot Gas

Valve

TXV

Liquid Line Valve

Heat

Exchange

Suction

Compressor

C0522R, C0530R, C0630R and C1030R

Remote Condenser

Hot Gas

Valve

Head

Pressure

Control

Valve

TXV

Evaporator

Discharge Line

Receiver

Liquid Line Valve

Suction

Hot Gas

Valve

Evaporator

TXV

Compressor

Heat

Exchange

Suction

Accumulator

C1448R, C1848R and C2148R


Evaporator

Electrical Component Details

Compressor

• Operated by the compressor contactor. Single phase self contained models have PTCR and run capacitor.

Contactor

• Operated by the controller and the high pressure cut out switch. Line voltage coil. When energized the Compressor indicator light will be ON.

Water Pump

• Operated by the controller. When energized, the Water Pump indicator light will be ON.

Inlet Water Solenoid Valve

• Operated by the controller. Line voltage coil. When energized, the Water Solenoid indicator light will be ON.

Purge Valve

• Operated by the controller. Line voltage coil. When energized, the Purge Valve indicator light will be ON. Energized for a time during harvest.

Fan Motor(s)

• Operated by the controller and the fan pressure control. Can cycle on and off in the freeze cycle, always off during harvest. When the controller has energized it, the indicator light will be ON but the fan will not turn unless the discharge pressure is high enough to close the high pressure control.

• Fan(s) may shut off near the end of the freeze cycle to build up heat for harvest. Time of shut off depends upon available heat, as measured by the discharge temperature.

High pressure cut out

• Some air cooled and all remote and all water cooled models have a high pressure cut out switch that shuts the power off to the compressor contactor if the discharge pressure is too high. It is an automatic reset.

Harvest Assist Solenoid(s)

• Operated by the controller in parallel with the hot gas valve. Cycles on and off at the beginning of a restart. Energized throughout the harvest cycle. Line voltage coil.



Liquid Line Valve

• Remote only. Opened by the controller to start a freeze cycle. Closed to shut unit off. Line voltage coil.

Hot Gas Valve(s)

• Operated by the controller in parallel with the harvest assist solenoid. Cycles on and off at the beginning of a restart. Energized throughout the harvest cycle. Line voltage coil.

Controller

• Senses ice thickness, water level, water temperature, discharge temperature. Controls compressor contactor, fan motor, water pump, inlet water valve, hot gas valve, purge valve, harvest assist solenoid. Indicates status and component operation. 12 volt.

Transformer

• 12 volt secondary, supplies power to controller only.

Water Level Sensor

• Three probe conductivity sensor. Bottom probe is common, mid probe is refill sump, top probe is full sump. Refill can occur at any time.

Ice Thickness Sensor

• Single wire conductivity sensor. Circuit made from controller to ground to controller when water contacts a probe suspended over ice plate. Signals ready for harvest.

Curtain Switch(es)

• Magnetic reed switch. Normally open, switch is closed when magnet is nearby. Models with two evaporators have two curtain switches. Single switch can be connected to either

J8 or J7 of controller. Curtains may be removed in the freeze cycle without affecting controller operation. A curtain removed during harvest will cause the controller to terminate harvest and shut the unit off. Two curtain models require both curtains to open to terminate harvest, and if either one remains open for 30 seconds that signals the controller to shut the unit off on bin full.

Water temperature sensor.

• Thermistor inserted into the water pump discharge hose. Reported temperature used by the controller to determine anti-slush cycle start time.



Discharge temperature sensor.

• Thermistor attached to the discharge line near the compressor. Reported temperature used by the controller to determine end-of-cycle-fan-off-delay time. If discharge temperature exceeds a preset maximum, controller will shut the machine off.

Note: Controller will operate machine in a default mode with thermistors disconnected from the controller. Diagnostic code #5 or 7 will be displayed during that time.

Component Indicator Light Table

System

Condenser Fan or Liquid Line

Valve

Water Pump

Purge Valve


Hot Gas

Compressor Contactor

Ready to Harvest

Sump Empty

Sump Full

Curtain Switch

Indicator Light ON

Fan Motor Powered or LLV open

Pump Motor Powered

Purge Valve Opens

Inlet Water Valve Opens

Hot Gas Valve Opens

Contactor Closes

Water contacting ice thickness sensor probe

Open between mid sensor and common

Closed between top probe and mid probe

Curtain open

Component Indicator Lights


Refrigeration

Refrigerant: R-404A

Compressors: Copeland or Tecumseh hermetic by model

Expansion valves: Non adjustable, internally equalized, one per evaporator.

Hot gas valves: Pilot operated, line voltage coils. One per plate.

Condensers: Forced draft air, counterflow water. All air cooled models have left side air inlet.

48” wide air cooled models also have front air inlet. All air cooled models exhaust air out the back.

Air filters: Surface mounted to panels. Filter media removable without removing panels.

Fan blades: Reduced vibration blades in most air cooled models.

Remote Systems: Head pressure control valves in condenser. No check valves. Headmaster protected by filters (not filter driers). Controller pumps unit down by closing the liquid line valve and keeping the compressor on for a fixed time period at shut down.

Fan pressure control. All AC. Controls fan motor operation in the freeze cycle.

High pressure cut out. WC, RC, AC with Tecumseh compressors.

Evaporator: Unified cell plate. Nickel plated copper. Three heights: 6”, 12” and 18”. Small cube = half dice, medium cube = full dice.

Small cube: 7/8" high x 7/8" deep x 3/8" high

Medium cube: 7/8" high x 7/8" deep x 7/8" high


Water System

Batch type. Insulated water reservoir contains full water charge for each ice making cycle.

Water valve: Solenoid type. Opens to fill reservoir when mid sensor probe no longer makes a circuit to the bottom probe. Closes when reservoir is full and top probe makes circuit to mid probe.

Pump: Unsealed pedestal type, twist-release mounting

Water purge valve: Solenoid type. Opens to purge water during harvest cycle.

Water Level Sensor: Three probe conductivity.

Distributor: ABS plastic. Evenly distributes water over the evaporator surface. Slides off the evaporator top. Removable cover for ease of cleaning.

Water Distributor Removal


Control Operation

Standard control:

• Electronic controller operating from a 12 AC volt power supply. Will operate within a voltage range between 10 and 15.5.

• User’s Indicator lights, four front visible: Power, Status, Water, De-scale/Sanitize.

• Accessible On switch.

• Accessible Off switch.

• Code Display: Displays letters and numbers to indicate cycles and diagnostic codes.

• Manual Harvest switch: Use to trigger harvest at any time.

• Clean switch: Use to initiate and finish the de-scale or sanitizing cycles.

• Component Operation Indicator Lights: Indicate the status of certain components; water level; ready for harvest; curtain switch position.

• Power Light: On when power is being supplied to the controller.

• Status Light: Green when machine is in ice making mode and is operating correctly. Blinks red when a machine malfunction has been detected.

• Water Light: Blinks red when reservoir does not fill with allowed time period.

• De-scale / sanitize: Yellow when the controller has determined it is time to de-scale and sanitize the machine. Use clean process to reset light. Time is determined by power up time and controller's setting. Standard setting is 6 months. See adjustment process

Controller Connections:

• J1 – Ground and Power Supply

• J2 – High voltage power harness to loads

• J3 – Factory use

• J4 – Optional board connector

• J5 - Communications port

• J6 – Thermistor connection

• J7 – Curtain switch

• J8 – Curtain switch

• J9 – Water level sensor

• J10 – Ice thickness sensor

• J11 – Bin thermostat. Use with NO thermostat (closes on temperature fall) & specified harness.


Control Safeties

Max freeze time – 45 minutes

When exceeded, the controller will attempt another freeze cycle. If the next cycle's freeze time is less than maximum, the control will continue normal ice making. If the next freeze cycle was too long, the control will again attempt another freeze cycle. If the freeze cycle is too long three consecutive cycles, the controller will shut the unit off and it must be manually reset.

Min freeze time – 6 minutes

If the controller switches the machine into harvest within 20 seconds of the minimum freeze time, the controller will harvest for a preset time and does not stop if the curtain switch opens.

If this occurs again in the next three cycles, the machine will shut down and must be manually reset.

Max harvest time – 3.5 minutes

If the harvest cycle has continued for 3.5 minutes without the curtain opening, the controller will shut the machine off for 50 minutes and then restart. If there is another the machine will shut the machine off for another 50 minutes and then restart. If it fails a third consecutive time the controller will shut the machine down and must be manually reset.

• Time between resets – 50 minutes

• Number of automatic resets – 2

• Max water fill time – 5 minutes. Machine will attempt a restart every 20 minutes.

• Max discharge temp – 250 degrees F.

• Time interval between cleanings – 6 months power on time - adjustable in one month increments, can be set at 6, 5, 4 or 3 months of power up time.

• Manual harvest time – 3 minutes

• Pump down interval – remote only. 12 hours. Pump down is 30 seconds of compressor only on time.

• Minimum compressor off time – 4 minutes

• Continuous Run Time Maximum Cycles - 200


Restarts

Power Interruption

The controller will automatically restart the ice machine after adequate voltage has been restored.

• H blinks on code display

• Status indicator light blinks

• Reservoir is drained and refilled

Default harvest is initiated. The curtain switch does not have to open to terminate harvest, harvest will continue until the default harvest time expires. Default harvest time is 3 minutes.

The machine will then return to a normal freeze cycle.

Water Interruption

• The controller will attempt to fill the reservoir every twenty minutes until it is successful.

On-Off Switch Access

All models ship with the On and Off switches front accessible. If desired, the On and Off switches can be covered by changing the bezel in the front panel’s trim strip. A cover-up bezel ships loose with the machine.


Control Button Use (from standby)

Set purge level, 1-5 (1 is minimum, 5 is maximum) or Automatic:

• Hold off button in for 3 seconds. Release.

• Press and release the On button to cycle through and select one of the five purge settings or to use the Automatic setting.

Recall diagnostic code:

• Hold off button in for 3 seconds. Release.

• Press and release the Harvest button to cycle through each of the last 10 error codes from most recent to oldest.

Clear diagnostic code:

• Hold Clean and Harvest buttons in for 3 seconds to clear all prior codes.

Reset control:

• Depress and release Off, then depress and release On

Start Test Mode:

• Hold Off button in for 3 seconds. Release.

• Hold Clean button in for 3 seconds. Release.

Lock / Unlock control:

• Hold On button in for 3 seconds, keep holding then press and release Off twice.

Empty reservoir:

• Hold Clean button in for 3 seconds. Release. Pump and purge valve will be ON for 30 seconds. Repeat as needed.

Test Mode: See next page for Air and Water Cooled mode.

• Depress Off for 3 seconds, release. Then depress Clean for 3 seconds.

• The sump will fill the first 30 seconds of the test. If the sump is full it will overflow into the bin. At 30 seconds the WIV will shut off and the WP will turn on. You will be able to see and hear the water running over the plates. After 10 seconds the PV and HGV will turn on. Water will be purging from the machine. After 10 more seconds the compressor will start. 5 seconds later the HGV will close. The compressor will run for a total of 20 seconds. After which everything will turn off for 5 seconds. After that time the HGV will open and you’ll be able to hear the hissing as the pressure is equalized. 10 seconds later the fan will turn on (if air cooled and fan control jumped). After 10 seconds all will be off and the output test will be complete.


Control Button Use - continued

Change De-Scale Notification Interval

Like the others, this feature is accessible only from standby (Status Light Off).

1. Press and hold harvest button for 3 seconds.

Starts the Time to Clean Adjustment State and displays the current time to clean setting.

2. Press the clean button repeatedly to cycle through the 4 possible settings:

Rev 5 and up (10/08 production start)

• 1 year (8760 hours)

• 0 (disabled)

• 4 months (2920 hrs)

• 6 months (4380 hours) (default)

Prior

• 6 months

• 5 months

• 4 months

• 3 months

3. Press Off or leave untouched for 60 seconds to select the displayed interval

Test Mode Sequence Table - Air or Water Cooled

50

55

70

75

85

95

Time (seconds)

0

30

40

On

WIV - 30 seconds

Off

WP, HGV, Comp, Fan, PV

WP - 10 seconds WIV, HGV, Comp, Fan, PV

WP, PV, HGV - 10 seconds WIV, Comp, Fan

HGV, Comp - 5 seconds

Comp - 15 seconds

None - 5 seconds

HGV - 10 seconds

Fan - 10 seconds

None

WIV, WP, Fan, PV

WIV, HGV, WP, Fan, PV

All

WIV, WP, Comp, Fan, PV

WIV, HGV, WP, Comp, PV

All – Test Complete


Diagnostics – Air Cooled

No ice

Problem

No power to unit

No power to controller

Shut down on maximum water fill time

Likely Cause

Power disconnected

Transformer open

Water shut off

Water leak

Air filters clogged

Dirty condenser

Restricted location, intake air too hot

Ice thickness sensor dirty or disconnected

Water distributor dirty

Inlet water valve leaks through during freeze

Shut down on maximum freeze time

Connected to hot water

Incomplete harvest

High pressure cut out opened

Fan motor pressure control open

Fan motor not turning

Water pump not pumping

Probable Solution

Check breaker or fuse. Reset or replace, restart and check

Replace transformer

Restore water supply

Check purge valve, curtain, sump, pump hose

Clean air filters

Clean condenser

Have machine moved

Check ice thickness sensor probe

Remove and clean water distributor

Check inlet water valve

Check for bleed thru from / missing check valve in building water supply

Check harvest system

Check fan motor pressure control, check fan motor, check controller using test mode

Check fan pressure control

Check fan motor, check fan blade, check controller using test mode

Check pump motor, check controller using test mode



Problem


Likely Cause

Pump hose disconnected

Compressor not operating

Low refrigerant charge

Hot gas valve leaks through during freeze

Thermostatic expansion valve bulb loose

Thermostatic expansion valve producing very low or very high superheat

Compressor inefficient


Check hose

Check compressor contactor, check controller using test mode

Check compressor start components, check PTCR resistance and temperature

Check compressor voltage

Check compressor windings

Add some refrigerant and restart unit. If cycle time improves, look for leak.

Check hot gas valve for hot outlet during freeze

Check bulb

Check evaporator superheat, change TXV if incorrect

Check compressor amp draw, if low and all else is correct, change compressor



Problem

Shut down on maximum harvest time

Shut down on minimum freeze time

Likely Cause

Ice bridge thickness too small, not enough ice to open curtain

Ice bridge thickness too large, ice frozen to evaporator frame

Purge valve does not open, water melts ice bridge, not enough ice to open curtain

Incomplete ice formation

Curtain out of position

Curtain switch does not open when curtain does

Machine in very cold ambient

Hot gas valve does not open

Harvest assist probe out of position – ejector pin not retracted

Damaged evaporator

Fan motor stays on during harvest

Grounded ice thickness sensor


Check and adjust if needed


Check purge valve

Check water distributor for partially plugged holes

Check curtain for swing restriction

Check switch with ohmmeter

Move machine to a warmer location

Check hot gas valve, check controller using test mode

Check harvest assist mechanism – spring should retract pin

Check evaporator surface

Check controller using test mode

Check sensor for dirt and position. Clean and check gap to evaporator surface.


Low Ice Making Capacity - Air Cooled

Problem

Long freeze cycle

Long Harvest Cycle

False bin full signal

Likely Cause Probable Solution

Dirty air filters

Dirty condenser

Hot ambient

Water leak

Water inlet valve leaks through

Low on refrigerant

Incorrect superheat

Fan(s) cycle on and off

Clean filters

Clean condenser

Reduce room air temperature

Check purge valve, check curtain

Check inlet valve

Add refrigerant, if cycle time drops, check for leak

Check evaporator superheat, if significantly low or high, replace TXV

Check pressures fans cycle at.

Replace fan pressure switch if too low

Dirty evaporator

No harvest assist

De-scale water system

Check harvest assist solenoid

Bridge thickness too big

Check and adjust bridge thickness

Increase room temperature Machine in very cool ambient

Ice jammed in between curtain and sump

Clear ice away

Curtain does not close correctly Check curtain for proper swing


Makes Excessive Noise - Air Cooled

Problem

Fan blade vibrates

Compressor vibrates

Water pump vibrates

Panels vibrate

Likely Cause

Blade is bent

Fan motor mount is broken

Mounting bolts loose

Pump bearings worn

Mounting screws loose


Replace fan blade

Replace motor mount

Tighten bolts

Replace pump

Tighten screws


Diagnostics - Water Cooled

No Ice

Problem

No power to unit


Shut down on maximum water fill time

Likely Cause

Power disconnected

Transformer open

Water shut off

Water leak






Incomplete harvest







Replace transformer








Water supply cut off, restore water supply to condenser


Check hose







Problem



Likely Cause








Check bulb










Check purge valve






Damaged evaporator










Problem


Likely Cause



Check sensor for dirt and position. Clean and check gap.

Test Mode Sequence: - Air or Water Cooled

55

70

75

85

95

Time (seconds)

0

30

40

50

On

WIV - 30 seconds

WP - 10 seconds

HGV, Comp - 5 seconds

Comp - 15 seconds

None - 5 seconds

HGV - 10 seconds

Fan - 10 seconds

None

Off

WP, HGV, Comp, Fan, PV

WIV, HGV, Comp, Fan, PV

WP, PV, HGV - 10 seconds WIV, Comp, Fan

WIV, WP, Fan, PV

WIV, HGV, WP, Fan, PV

All

WIV, WP, Comp, Fan, PV




Low ice Making Capacity - Water Cooled

Problem

Long freeze cycle

Long Harvest Cycle



Water leak


Water inlet valve leaks through Check inlet valve

Low on refrigerant

Incorrect superheat



Dirty evaporator

No harvest assist

De-scale water system






Clear ice away



Makes Excessive Noise - Water Cooled

Problem

Compressor vibrates

Water pump vibrates

Panels vibrate

Likely Cause


Pump bearings worn



Tighten bolts

Replace pump

Tighten screws


Diagnostics - Remote Air Cooled

No Ice

Problem

No power to unit


Shut down on max.

water fill time


Likely Cause

Power disconnected

Transformer open

Water shut off

Water leak

Dirty condenser

Restricted location, intake air too hot





Incomplete harvest


Fan motor not turning



Liquid line valve does not open




Replace transformer



Clean condenser

Have condenser moved






Check check fan motor

Check quick connects for complete piercing

Check fan motor, check fan blade


Check hose

Check coil of valve, check controller using test mode.




Problem Likely Cause


(continued)


Shut Down on

Maximum Freeze Time

(continued)










Check bulb


Debris in refrigeration system



Recover charge. Open quick connects, check for loose or missing foil. Open liquid line and hot gas valves. Check for debris.

Replace drier, evacuate and weigh in nameplate charge.








Check purge valve






Problem


(continued)


Likely Cause





Damaged evaporator








Check sensor for dirt and position. Clean and adjust gap to evaporator surface using

13/64” drill bit as a gauge


Low Ice Making Capacity - Remote

Problem

Long freeze cycle

Long Harvest Cycle



Dirty condenser

Hot ambient

Water leak

Water inlet valve leaks through

Clean condenser

Check condenser inlet temp.


Check inlet valve

Low on refrigerant

Incorrect superheat



Fan(s) cycle on and off

Check pressures fans cycle at.

Replace fan pressure switch if too low

De-scale water system Dirty evaporator

No harvest assist






Clear ice away



Makes Excessive Noise - Remote

Problem

Fan blade vibrates

Compressor vibrates

Water pump vibrates

Panels vibrate

Likely Cause

Blade is bent

Fan motor mount is broken


Pump bearings worn



Replace fan blade

Replace motor mount

Tighten bolts

Replace pump

Tighten screws

Off

WP, HGV, Comp, BV, PV

WIV, HGV, Comp, BV, PV

WIV, Comp, BV

WIV, WP, BV, PV

WIV, HGV, BV, WP, PV

All

WIV, WP, Comp, BV, PV




Test Procedures - Sensors

All electrical components in this ice machine can be diagnosed with a volt-ohmmeter.

Curtain Switch:

1. Test using the controller’s indicator lights. Observe SW1 and SW2. Open and close the curtain in question. When the curtain is opened, the SW light will be ON. When the curtain gets to within a half inch of closing (at the switch) the SW light will go OUT.

2. Test with an ohmmeter. Disconnect electrical power. Open the control box cover. Unplug the curtain switch lead from the controller. Connect an ohmmeter to the leads of the switch. Open and close the curtain. When the curtain is closed, the switch is closed and there will be continuity. When the curtain is open, the switch is open and the circuit will be open.

3. Test the controller’s curtain switch circuit by jumping the connectors on J1 or J2 together.

Reconnect electrical power. When jumped, the matching SW light will go out. When unplugged or open, the SW light will be ON.

Curtain Switch

Indicator Lights

Light is ON when curtain is OPEN

Single curtain models have one indicator light ON all the time.


Curtain

Switch

Ice Thickness Sensor

1. Test using the controller’s indicator light. Observe the Ready To Harvest light. Shut the machine off. Use a wire to connect the metal part of the Ice Thickness sensor to the evaporator or simply remove the Ice Thickness Sensor and touch its metal surface to the metal control box wall. The Ready for Harvest light should go ON.

2. Test with an Ohmmeter. Disconnect electrical power. Open the control box cover. Unplug the ice thickness sensor lead from the controller. Connect an ohmmeter lead to the ice thickness sensor lead, touch the other ohmmeter lead to the ice machine chassis. There must be an open circuit. If there is continuity, the sensor must be replaced. If there is no continuity, touch the ohmmeter lead to the metal part of the ice thickness sensor. There should be continuity. If open, check the ice thickness sensor for scale build up. Clean and recheck. If still open, replace the ice thickness sensor.

3. Test the controller’s ice thickness sensor circuit by connecting a wire from J10 to ground.

Reconnect electrical power. The Ready for Harvest light should go ON.

Ready To Harvest light is ON when water contacts ice thickness sensor.

Ice

Thickness

Sensor


Water Level Sensor

1. Test using the controller’s indicator lights (sump empty and sump full). Unit must be powered up and there must be water in the sump. Add some manually if needed. Locate water level sensor. Release from sump cover and slowly lift up until the mid-length probe is out of the water. The sump empty light should come on, and if the unit is on the inlet water solenoid valve will open to fill the reservoir. Return the water level sensor to its normal position. If the unit is on and calling for ice the water will fill until the top probe is in contact with it, at that time the sump full light will switch ON.

2. Test with an ohmmeter. Disconnect electrical power. Open the control box cover. Unplug the connector at J9. Locate water level sensor and remove it from the sump cover. Test 1: Place one lead of the ohmmeter on the longest probe and the other on the controller end of the red wire, there should be continuity. Test 2: Place one lead on the controller end of the white wire and the other on the mid-length probe, there should be continuity. Test 3: Place on lead on the controller end of the black wire and the other on the shortest probe, there should be continuity.

If not, clean the probes and recheck.

3. Test the controller’s water level sensor circuit. Reconnect electrical power. Unplug harness from water level sensor, the sump empty light should be ON. Jump harness wires white and black. The sump full light should be ON. Jump harness wires white and red, the sump full and sump empty lights will be

OFF. Check harness wire by wire for continuity if there is no reaction from the controller during this test.

Sump

Empty Light

Sump Full

Light

December 2008 Page 59

Temperature Sensors

1. Check controller. If the sensor calibration is completely out of range, the code display will read either 5 or 7.

2. Check with an ohmmeter. Open control box cover, unplug sensor from J6. Water temperature probe: Measure the temperature of the water. Push and release the clean button.

Wait one minute. Measure the resistance of the water probe (two leads next to the open socket) and compare to the resistance in the chart for that temperature. Any reading within

1000 ohms is acceptable. Discharge sensor: Measure the temperature of the discharge line as close to the sensor as possible. Measure the resistance of the discharge temperature sensor

(two leads farthest away from the open socket on the harness connector) and compare to the resistance in the chart for that temperature. Any reading within 1000 ohms is acceptable.

3. Alternate procedure: Remove both water and discharge sensors from their places on the ice machine. Put both into a container of ice water. Put a thermometer in the water. When the thermometer is at 32 degrees F., check the resistance of each sensor. The resistance should be within 1000 ohms of 32649.

Water

Temperature

Sensor Set

Back of Controller


Discharge

Temperature

Sensor Set

Test Procedures - Loads

Compressor

Failure to start.

Single phase models. All have resistance start, capacitor run type motors. Check voltage to compressor at the contactor. Compare the idle voltage (compressor off) to the active voltage

(compressor starting). The supply voltage must not be less than the lowest rated voltage for the ice machine. If the voltage is correct, proceed to the next step.

Check starting components. Most models use a PTCR to cut power to the start winding after the compressor has started. Check the PTCR for resistance. The resistance check must be when the PTCR is at room temperature – any temperature between 50 and 100.

At that temperature resistance should be very low between 25 and 50 ohms. Also check resistance to ground, it should be infinite. If the PTCR is good, check the compressor windings.

Measure resistance from Common to ground. It should be infinite. Measure resistance from

Common to Run – compare to the chart. Measure resistance from Common to Start – compare to the chart.

Compressor check for high amp draw. Measure amp draw of starting circuit. If it does not drop off immediately after start up, the PTCR should be replaced. It is not practical to check a PTCR for resistance at high temperatures as the resistance drops very fast as the PTCR’s temperature falls. If the compressor is drawing excessive amps but is operating, the run capacitor may be open. Disconnect electrical power, discharge the capacitor and measure its resistance. If open, replace it. If shorted to ground, replace it.

Any time the compressor is replaced, the PTCR and run capacitor should also be replaced, or if the model was equipped with a potential relay, start capacitor and run capacitor, those should be replaced with the compressor. Most Scotsman service compressors include those parts.

Some systems use a potential start relay and start capacitor in place of the PTCR.

Potential relay. If the compressor will not start, check the amp draw of the starting circuit. If very low, the potential relay contacts or start capacitor may be open. Measure the resistance of the potential relay contacts and the start capacitor. If either is open it should be replaced. If the compressor starts but draws very high amps from the starting circuit, the potential relay may not switch off. In that case the relay should be replaced.


Ice Machine

C0322 or

C0330-1

C0330-6

C0330-32

C0522 or

C0530-1 A or B

C0530-6 A or B

C0530-32 A or B

C0530 -1 C

C0530 - 6 C

C0530 - 32 C

C0722 or

C0630-32

C0630-6

C0830-32

C0830-6

C0830-3

C1030-32

C1030-6

C1030-3

C1448-32

C1448-6

C1448-3

C1848-32

C1848-6

C1848-3

C2148-32 WC

C2148-6 WC

C2148-3 WC

C2148-32 R

C2148-6 R

C2148-32 R

Compressor Electrical Chart

Resistance reading tolerance is +- 10%

115/60/1

230/50

208-230/60/1

115/60/1

230/50

208-230/60/1

115/60/1

230/50/1

208-230/60/1

208-230/60/1

230/50

208-230/60/1

230/50

208-230/60/3

208-230/60/1

230/50

208-230/60/3

208-230/60/1

230/50

208-230/60/3

208-230/60/1

230/50

208-230/60/3

208-230/60/1

230/50

208-230/60/3

208-230/60/1

230/50

208-230/60/3

Voltage/Hz/Phase Compressor

AKA9438ZXA

AKA9438ZXC

AKA9468ZXD

AKA9451ZXA

AKA9451ZXC

AKA9451ZXD

RST45C1E-CAA

RST45C1E-CAB

RST45C1E-CAV

AJA7490ZXD

AJA7490ZXC

CS10K6EPFV

CS10K6EPFJ

CS10K6ETF5

CS12K6EPFV

CS12K6EPFJ

CS12K6ETF5

CS14K6EPFV

CS14KSEPFJ

CS14K6ETF5

CS20K6EPFV

CS20K6EPFZ

CS20K6ETF5

CS24K6EPFV

CS24K6EPFZ

CS24K6ETF5

CS27K6EPFV

CS27K6EPFZ

CS27K6ETF5

Start Winding

Ohms

4.22

7.11

10.43

5.95

7.11

10.43

Run Winding

Ohms

.59

2.69

1.77

.69

2.69

1.77

2.74

2.23

3.10

3.79

3.10

-

3.79

-

2.66

2.64

2.37

-

2.35

2.35

-

-

-

.53

.53

-

-

-

1.52

2.02

1.16

1.39

1.77

1.16

1.39

1.77

1.08

1.4

.65

-


Refrigerant Charges

C0722A

C0830A

C0830W

C0830R

C1030A

C1030W

C1030R

C1448A

C1448W

C1448R

C1848A

C1848W

C1848R

C2148W

C2148R

Model

C0322A

C0322W

C0330A

C0330W

C0522A

C0522W

C0522R

C0530A (A or B series)

C0530A C series

C0530W (A thru C series)

C0530R (A thru C series)

C0630A

C0630W

C0630R

48

38

208

62

17

46

34

208

56

256

62

63

320

69

320

160

36

14

160

160

22

21

11

14

11

17

14

R-404A in ounces

14

11



Fan motor

1. Test using the controller’s indicator lights.

Note: Fan pressure control connection must be jumped to perform this test.

Put the controller into test mode (depress Off for 3 seconds then depress Clean for 3 seconds). At the end of the test cycle, the fan motor will be powered and the Condenser Fan motor indicator light will be on. The fan motor should start and run at that time. If it does not, repeat the test but check the voltage to the fan motor, it must receive full voltage at the fan motor lead connection at the end of the test. If there is voltage and the motor does not operate, replace the motor. If there is no voltage, check the controller high voltage harness connection.

The fan motor lead is the top wire. Check voltage from it to ground, at the end of the test, when the fan motor indicator light is On, there must be voltage from this pin to ground. Note: high voltage power is supplied to the bottom pin from the contactor line. Refer to the machine wiring diagram as needed.

2. Test using an ohmmeter. Disconnect electrical power. Unplug fan motor from harness.

Measure fan motor winding resistance. If open, replace the fan motor.

This light is ON when the fan motor should be in operation.


Fan Pressure Control must CLOSE to operate fan motor.


Water Pump

1. Test using the controller’s indicator lights. Check the indicator light during the freeze cycle.

The light will be On for all but the 30 second anti-slush period, so observe the light for one minute. When it is On, check the water pump, it should be operating. If not, check voltage to the pump. If low check the voltage from the controller to ground. The water pump pin is number 6. If there is voltage at that pin to ground, but very low voltage at the pump motor, there must be a broken wire in the harness. If the voltage is low at pin 6, the controller should be replaced.

2. Test using an ohmmeter. Disconnect electrical power. Unplug the water pump motor leads from the harness. Measure the resistance of the motor windings. If open, replace the pump.

Measure resistance to ground. If there is any, replace the pump.

Water pump light is ON when pump is in operation.



Purge valve

1. Test using the controller’s indicator lights. Shut unit off by holding the Off button for 3 seconds. Wait four minutes. Push and release the On button, observe the Purge Valve indicator light. As the unit drains the reservoir, the purge valve will be powered. When it gets power, the indicator light will be ON. If the purge valve does not open to drain the reservoir when its indicator light is on, do a voltage check. Shut the unit down by holding the Off button in for 3 seconds. Unplug the harness connection from the purge valve. Wait four minutes. Push and release the On button to restart the machine. As the unit drains the reservoir, the purge valve connection should receive full voltage. If it does, the purge valve should be replaced. If there is no voltage, check voltage from the controller to ground. The purge valve pin is 3 (dump valve on wiring diagram). If there is voltage from that pin to ground, but low voltage at the valve harness connection, the harness has a broken wire or poor connection and must be replaced.

If the voltage to ground is low, the controller should be replaced.

Note: The coil of this valve is internally rectified, and will normally show infinite resistance when tested with an ohmmeter.

This light will be ON when the Purge Valve is in operation.



Compressor contactor

1. Test using the controller’s indicator lights. When the unit is in ice making mode the compressor contactor will have power. Check the Compressor indicator light, when it is on the compressor contactor will have pulled in. If it is not, do a voltage check. Place voltmeter leads on the coil of the contactor. There should be full voltage . If there is full voltage present and the contactor has not pulled in, replace the contactor. If there is no voltage check if the high pressure cut out is open. If the high pressure cut out is closed, check for voltage from the controller to ground. The contactor pin is 4. Check from 4 to ground when the compressor indicator light is on. There should be voltage. If not, replace the controller. If there is voltage at the controller but not at the contactor coil, the harness wires or connectors are damaged and must be replaced.

2. Test using an ohmmeter. Test the coil of the contactor for continuity or shorts to ground.

Replace if open or shorted.

3. Check connections and contacts. Be sure connections are tight and that the contacts are not burnt. Replace any contactor with burnt contacts.

This light will be ON when the compressor contactor is powered.



Pressure switches

There are two pressure switches: Fan and High Pressure cut out.

Fan. The fan pressure switch will open to shut the fan motor off at a certain pressure and re-close at a preset higher pressure.

High pressure cut out. The high pressure cut out switch will open at a preset pressure, shutting off power to the compressor contactor. After the pressure has fallen to another preset level, the switch will re-close and the contactor coil will be engergized.

To Test Fan Pressure Switch:

A. Attach refrigeration gauge set to high side port.

B. Unplug both wires from fan pressure control. Be SURE the wire's terminals are wrapped

in electrical tape to prevent short circuits to ground during the test.

C. Connect ohmmeter to terminals of fan pressure control..

D. Switch ice machine on, observe pressure that the pressure control closes at, compare to spec. Switch unit off, allow system to equalize, observe pressure the pressure control opens at, compare to spec.

To Test High Pressure Switch:

A. Attach refrigeration gauge set to high side port.

B. Unplug fan motor or shut water off if water cooled.

C. Measure voltage between contactor side terminal of high pressure control and ground.

D. Switch ice machine on, observe pressure that the pressure control opens at, compare to spec. Allow system to equalize, observe the pressure that the pressure control closes at, compare to spec.

Transformer

Check secondary voltage, it must be between 10 and 15.5 AC volts. Replace if no voltage is output or if above or below the acceptable voltage..

Controller

The controller’s software operation is confirmed if it is functioning. Execute the test to confirm its operation of the loads. Illumination of a diagnostic code (other than E) is not an indication of controller failure. Each code requires its own diagnosis.



Liquid Line Solenoid (remote only)

1. Test using the controller’s indicator lights. Put the controller into test mode (depress Off for 3 seconds then depress Clean for 3 seconds). At the end of the test cycle, the liquid line valve will be powered and the Condenser Fan motor indicator light will be on. The liquid line valve should be open at that time. If it is not, repeat the test but check the voltage to the liquid line valve coil, it must receive full voltage at the liquid line lead connection at the end of the test. If there is voltage and the valve does not operate, replace the valve coil. If there is no voltage, check the controller high voltage harness connection. The liquid line solenoid lead is the top wire. Check voltage from it to ground, at the end of the test, when the Condenser Fan indicator light is On, there must be voltage from this pin to ground. Note: high voltage power is supplied to the bottom pin from the contactor line. Refer to the machine wiring diagram as needed.

2. Test using an ohmmeter. Disconnect electrical power. Unplug liquid line coil from harness.

Measure liquid line coil resistance. If open, replace the liquid line valve coil.

This light will be ON when the liquid line solenoid has power.




1. Test using the controller’s indicator lights. Shut unit off by holding the Off button for 3 seconds. Wait four minutes. Push and release the On button, observe the Water Solenoid indicator light. After the unit drains the reservoir, the inlet water valve will be powered to refill the reservoir. When it gets power, the indicator light will be ON. If the water valve does not open to fill the reservoir when its indicator light is on, do a voltage check. Shut the unit down by holding the Off button in for 3 seconds. Unplug the harness connection from the inlet water valve. Wait four minutes. Push and release the On button to restart the machine. After the unit drains the reservoir, the inlet water valve connection should receive full voltage. If it does, the inlet water valve should be replaced. If there is no voltage, check voltage from the controller to ground. The inlet water solenoid valve pin is 7. If there is voltage from that pin to ground, but low voltage at the valve harness connection, the harness has a broken wire or poor connection and must be replaced. If the voltage to ground is low, the controller should be replaced.

2. Test using an ohmmeter. Disconnect electrical power. Unplug coil from harness. Measure coil resistance. If open, replace the inlet water solenoid.

Light is ON when inlet water solenoid is in operation.



Harvest assist solenoid

1. Test using the controller’s indicator lights. Push and release the Harvest button. The Hot

Gas indicator light will be on. At the same time the Harvest Assist Solenoid will be powered. If the ice on the evaporator is thin, the solenoid will extend. If the ice is nearly full sized, the solenoid will press against the ice until it releases from the evaporator, then the solenoid probe will extend. If the probe extends, the solenoid is good. If not, do a voltage check. Unplug the high voltage harness from the harvest assist solenoid. Attach a voltmeter to the harness connector. Push and release the Harvest button. There should be full voltage at the connector.

If there is and the solenoid does not extend, replace the solenoid. If full voltage is not present, check voltage at the controller. If there is no voltage, check voltage from the controller to ground. The hot gas / harvest assist pin is 5. If there is voltage from that pin to ground, but low voltage at the solenoid harness connection, the harness has a broken wire or poor connection and must be replaced. If the voltage to ground is low, the controller should be replaced.

Note: The coil of this valve is internally rectified, will normally show infinite resistance when tested with an ohmmeter.

This light will be ON during harvest.

Both the Hot Gas Valve coil and the

Harvest assist solenoid coil will have power when this light is ON.

Hot Gas or Vapor Valve

1. Test using the controller’s indicator lights. If the unit is running, or has been off for more than 4 minutes, push and release the Harvest button. The Hot Gas indicator light will be on and the hot gas valve will be energized. The compressor will force discharge gas into the evaporator inlet, warming it. If the evaporator inlet does not warm up, do a voltage check. Shut the unit off by holding the Off button in for 3 seconds. Unplug the high voltage harness from the hot gas solenoid. Attach a voltmeter to the harness connector. Wait 4 minutes. Push and release the Harvest button. There should be full voltage at the connector. If there is and the solenoid does not open, replace the solenoid coil. If full voltage is not present, check voltage at the controller. If there is no voltage, check voltage from the controller to ground. The hot gas pin is 5. If there is voltage from that pin to ground, but low voltage at the solenoid harness connection, the harness has a broken wire or poor connection and must be replaced. If the voltage to ground is low, the controller should be replaced.

2. Test with an ohmmeter. Disconnect electrical power. Unplug high voltage harness from hot gas or vapor valve. Measure resistance of hot gas or vapor valve coil. If open, replace the coil.


Technical Information

Pressure Switches Cut In, Cut Out

Fan Pressure Control, 22" and 30"

Fan Pressure Control, 48"

High Pressure Cut Out AC

High Pressure Cut Out WC

High Pressure Cut Out, Remote

Cut In (PSIG)

240

280

390

300

350

Compressor Amp Draws

- amps peak and then decline during each cycle

C0322

C0522

C0330

C0330 C

115

230

115

230

115

Voltage

115

230

115

230

C0530 A or B

C0530 C

C1848

C2148 W

C2148R

230

115

230

C0722 or C0630 230

C0830 single phase

C1030 three phase single phase three phase

C1448 single phase three phase single phase three phase single phase three phase single phase three phase

Brand

Tecumseh

Base Model

AKA9438 same

AKA9451 same

Copeland

AKA9438 same

RST45 same

AKA9451

Tecumseh

Copeland

Copeland same

RST45

RST45

Tecumseh AJA7490

CS10 same

CS12 same

CS14 same

CS20 same

CS24 same

CS27 same


Freeze

7.3 - 4.8

7.9 - 6.5

6 - 4.5

6.2 - 4.8

7 - 5.3

8 - 6.5

6.9 - 5.5

3 - 2.2

5.8 - 5.0

6.4 - 5.3

4.5 - 3.5

7.3 - 4.8

4.4 - 3.2

12.5 - 7.6

7.2 - 4.5

16 - 10

14 - 8

18 - 12

10.5 - 7.2

20 - 14

13.5 - 8

Cut Out (PSIG

190

220

500

400

450

Harvest

6.2

7.2

6

5.7

6.4 - 7

9.3

6.6 - 7.0

2.5

6.8

6.6

5

6.2

5.5

9.2

5.5 - 5.7

15

10

18

14

19.6 - 16

13 - 12

Heat Load & Condenser Water GPM

Air Cooled - Average heat load for air conditioning unit sizing

Model

C0322

C0522

C0330

C0530

C0630

C0722

C0830

C1030

C1448

C1848

BTUH

5200

7900

5200

7900

12700

12700

13700

16200

20000

27400

C0322

C0522

C0330

C0530

C0630

C0803

C1030

C1448

C1848

C2148

Water Cooled Water Use - condenser only,

Model

.4

.4

.3

.4

.3

.1

GPM, 45 o

F.

water inlet temp

.2

.6

1.0

1.0

GPM, 70 o

F. water inlet temp

.7

.8

1.0

1.1

1.8

2.0

.3

.5

.3

.7


Controller Differences

The controllers are programmed at the factory for the model they are installed on, they cannot be moved from one model to another due to differences in:

• Water purge time per setting

• Maximum harvest time

• Number of evaporator plates

The service controller has a selector switch that allows it to be used as a replacement part in any of the Prodigy models in production at the time the controller was manufactured. As new

Prodigy models are introduced, those models will be added to the list of models new service controllers will work with.

The Service Controller includes a selector switch. The switch must be set to the model the controller is being installed on. As new models are introduced, their setting will be added to service controllers produced after that point.


Thermistor Values

Deg. F . . Ohms

0. . . . . . 85325

1. . . . . . 82661

2. . . . . . 80090

3. . . . . . 77607

4. . . . . . 75210

5. . . . . . 72896

6. . . . . . 70660

7. . . . . . 68501

8. . . . . . 66415

9. . . . . . 64400

10. . . . . 62453

11. . . . . 60571

12. . . . . 58752

13. . . . . 56995

14. . . . . 55296

15. . . . . 53653

16. . . . . 52065

17. . . . . 50529

18. . . . . 49043

19. . . . . 47607

20. . . . . 46217

21. . . . . 44872

22. . . . . 43571

23. . . . . 42313

24. . . . . 41094

25. . . . . 39915

26. . . . . 38774

27. . . . . 37669

28. . . . . 36600

29. . . . . 35564

30. . . . . 34561

31. . . . . 33590

32. . . . . 32649

33. . . . . 31738

34. . . . . 30855

35. . . . . 30000

36. . . . . 29171

37. . . . . 28368

38. . . . . 27589

39. . . . . 26835

40. . . . . 26104

41. . . . . 25395

42. . . . . 24707

43. . . . . 24041

44. . . . . 23394

45. . . . . 22767

46. . . . . 22159

47. . . . . 21569

48. . . . . 20997

49. . . . . 20442

50. . . . . 19903

51. . . . . 19381

Deg. F . . Ohms

52. . . . . 18873

S3. . . . . 18381

54. . . . . 17903

55. . . . . 17439

56. . . . . 16988

57. . . . . 16551

58. . . . . 16126

59. . . . . 15714

60. . . . . 15313

61. . . . . 14924

62. . . . . 14546

63. . . . . 14179

64. . . . . 13823

65. . . . . 13476

66. . . . . 13139

67. . . . . 12812

68. . . . . 12494

69. . . . . 12185

70. . . . . 11884

71. . . . . 11592

72. . . . . 11308

73. . . . . 11031

74. . . . . 10763

75. . . . . 10502

76. . . . . 10247

77. . . . . 10000

78. . . . . 9760

79. . . . . 9526

80. . . . . 9299

81. . . . . 9077

82. . . . . 8862

83. . . . . 8652

84. . . . . 8448

85. . . . . 8250

86. . . . . 8056

87. . . . . 7868

88. . . . . 7685

89. . . . . 7507

90. . . . . 7333

91. . . . . 7164

92. . . . . 6999

93. . . . . 6839

94. . . . . 6683

95. . . . . 6530

96. . . . . 6382

97. . . . . 6238

98. . . . . 6097

99. . . . . 5960

100. . . . 5826

101. . . . 5696

102. . . . 5569

103. . . . 5446

Deg. F. . Ohms Deg. F. . Ohms

120. . . . 3757

121. . . . 3678

122. . . . 3601

123. . . . 3526

124. . . . 3452

125. . . . 3381

126. . . . 3311

127. . . . 3243

128. . . . 3176

129. . . . 3111

130. . . . 3047

131. . . . 2985

132. . . . 2924

133. . . . 2865

134. . . . 2807

135. . . . 2751

104. . . . 5325

105. . . . 5208

106. . . . 5093

107. . . . 4981

108. . . . 4872

109. . . . 4766

110. . . . 4663

111. . . . 4562

112. . . . 4463

113. . . . 4367

114. . . . 4273

115. . . . 4182

116. . . . 4093

117. . . . 4006

118. . . . 3921

119. . . . 3838

136. . . . 2696

137. . . . 2642

138. . . . 2589

139. . . . 2537

140. . . . 2487

141. . . . 2438

142. . . . 2390

143. . . . 2343

144. . . . 2297

145. . . . 2252

146. . . . 2208

147. . . . 2165

148. . . . 2123

149. . . . 2082

150. . . . 2042

151. . . . 2003

152. . . . 1965

153. . . . 1927

154. . . . 1890

155. . . . 1855


172. . . . 1350

173. . . . 1326

174. . . . 1302

175. . . . 1279

176. . . . 1256

177. . . . 1234

178. . . . 1212

179. . . . 1190

180. . . . 1169

181. . . . 1149

182. . . . 1129

183. . . . 1109

184. . . . 1090

185. . . . 1071

186. . . . 1052

187. . . . 1034

156. . . . 1819

157. . . . 1785

158. . . . 1752

159. . . . 1719

160. . . . 1687

161. . . . 1655

162. . . . 1624

163. . . . 1594

164. . . . 1565

165. . . . 1536

166. . . . 1508

167. . . . 1480

168. . . . 1453.

169. . . . 1427

170. . . . 1401

171. . . . 1375

188. . . . 1016

189. . . . 998

190. . . . 981

191. . . . 965

192. . . . 948

193. . . . 932

194. . . . 916

195. . . . 901

196. . . . 885

197. . . . 871

198. . . . 856

199. . . . 842

200. . . . 828

201. . . . 814

202. . . . 800

203. . . . 787

204. . . . 774

205. . . . 761

206. . . . 749

207. . . . 737

Deg. F. . Ohms

224. . . . 560

225. . . . 551

226. . . . 543

227. . . . 534

228. . . . 526

229. . . . 518

230. . . . 510

231. . . . 502

232. . . . 495

233. . . . 487

234. . . . 480

235. . . . 472

236. . . . 465

237. . . . 458

238. . . . 451

239. . . . 444

208. . . . 724

209. . . . 713

210. . . . 701

211. . . . 690

212. . . . 679

213. . . . 668

214. . . . 657

215. . . . 646

216. . . . 636

217. . . . 626

218. . . . 616

219. . . . 606

220. . . . 597

221. . . . 587

222. . . . 578

223. . . . 569

240. . . . 438

241. . . . 431

242. . . . 425

243. . . . 419

244. . . . 412

245. . . . 406

246. . . . 400

247. . . . 394

246. . . . 389

249. . . . 383

250. . . . 377

Performance Data

C0322A

Cycle Time

(minutes)

Suction Pressure

(PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

C0322W

10-12

11-12

12-13

13-14

26

105

235

150

70

Ambient Air Temp., Degrees F.

80 90

12-13

13-14

14+

14-15

13-14

14-16

15-16

16-17

32

130

250

200

70


80 90

Cycle Time

(minutes)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

Suction Pressure

(PSIG)

End of Freeze

Harvest

End of Freeze

Harvest

Ice per cycle weight: 2-4 to 2.6 lb.

9-11

11+

12+

12-13

32

95-100

245

140

11+

12+

13+

13-14

10-11

10-12

12-13

13+

32

100-110

245

150



C0522A

Cycle Time

(minutes)

Suction Pressure

(PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

C0522W

11-13

13

14

15

32

105

228

180

70


80 90

13

14

15

16

16

16-18

18

19

34

120

270

210

70


80 90

Cycle Time

(minutes)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

Suction Pressure

(PSIG)

End of Freeze

Harvest

End of Freeze

Harvest

Ice per cycle weight: 4.5 to 5 lb.

13-15

15

16

16-17

23

85

235

115

15

16

17

17

14

14-15

15

16

36

110

245

200



C0722A

Cycle Time

(minutes)

Suction Pressure

(PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

Ice per cycle weight: 7.3 to 7.5 lb

13

13-14

14-15

15-16

30

92-94

240-250

150-155

70


80 90

13-14

14

15

17

17

17-18

19-20

21-22

33

15-120

310-330

190-+200



C0330A

Cycle Time

(minutes)

Suction Pressure

(PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

C0330W

9-10

10-11

11-12

12-13

28

110

200

150

70


80 90

10-11

11-12

12-13

13-14

11-12

12-13

13-14

14-15

70


80 90

Cycle Time

(minutes)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

Suction Pressure

(PSIG)

End of Freeze

Harvest

End of Freeze

Harvest

Ice per cycle weight: 2.4 to 2.6 lb

8-10

10

11

11

33

95

235

130

10

11

11

11

10

10-11

11

12

35

110

235

150



C0530A

Cycle Time

(minutes)

Suction Pressure

(PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

C0530W

13

14

15

16

33

95

230

130

70


80 90

14

15

16

17

16

17

18

19

32

105

260

190

70


80 90

Cycle Time

(minutes)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

Suction Pressure

(PSIG)

End of Freeze

Harvest

End of Freeze

Harvest

Ice per cycle weight: 4.5 to 5 lb

10

11

12

13

33

100

235

140

12

13

13

13

12

13

13

14

34

110

235

150



C0630A

Cycle Time

(minutes)

Suction

Pressure (PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

C0630W

9-10

10-11

11-12

12-13

21

85

200

160

70


80 90

10-11

11-12

12-13

13-14

10-11

11-12

12-13

13-14

27

115

255

200

70


80 90

Cycle Time

(minutes)

Suction

Pressure (PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

Ice per cycle weight: 4.5 to 5 lb

9

10

11

11

25

75

235

140

10

11

11

11

10

11

12

13

22

80

235

155



C0830A

Cycle Time

(minutes)

Suction

Pressure (PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

C0830W

11

12

13

14

26

80

204

160

70


80 90

12

13

14

15

13

14

15

16

30

100

260

195

70


80 90

Cycle Time

(minutes)

Suction

Pressure (PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

Ice per cycle weight: 7 - 7.3 lb

11

12

13

14

30

85

235

175

12-13

13-14

13-14

14

13

13

14

15

31

90

237

178



C1030A

Cycle Time

(minutes)

Suction

Pressure (PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

C1030W

9-10

10-11

11-12

10-13

26

80

210

165

70


80 90

10-11

11-12

12-13

13-14

11-12

12-13

13

14-15

30

90

260

190

70


80 90

Cycle Time

(minutes)

Suction

Pressure (PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

Ice per cycle weight: 7 - 7.3 lb

10

11

11-12

12

26

70

240

145

11

11-12

12

12-13

11

11

12

13

30

75

240

155



C1448A

70


80 90

Cycle Time

(minutes)

Suction

Pressure (PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

C1448W

12-13

13-14

14-15

15-16

38

100

250

150

13-14

14-15

15-16

16-17

14-15

15-16

16-17

17-18

40

100

270

160

Cycle Time

(minutes)

Suction

Pressure (PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

13-14

14-15

15-16

15-16

36

105

235

170

70


80 90

14-15

15-16

15-16

15-16

15-16

15-16

16-17

17-18

35

100

235

165



C1848A

Cycle Time

(minutes)

Suction

Pressure (PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

C1848A

10-11

11-12

12-13

13-14

30

90

227

170

70


80 90

11-12

12-13

13-14

14-15

12-13

13-14

14-15

15-16

32

100

285

195

70


80 90

Cycle Time

(minutes)

Suction

Pressure (PSIG)

Discharge

Pressure (PSIG)

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

14 lb / cycle.

10-11

11-12

12-13

12-13

30

80

240

155

11-12

12-13

12-13

12-13

11-12

11-12

12-13

13-14

30

85

240

165



C2148W

Cycle Time

(minutes)

Suction

Pressure (PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

Ice weight per cycle: 14.2

9-10

10-11

11-12

11-12

27

75

235

160

70


80 90

10-11

11-12

11-12

11-12

11

11

12

13

27

75

240

160


Performance Data - Remotes

C0522R

-20

Condenser Intake Air Temp., Degrees F.

70 80 90 120

Cycle Time

(minutes)

Suction Pressure

(PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

Ice per cycle, 4.4 to 4.6 lb

10

Min 205

12-13

13-14

14-15

15-16

35

85

230

215

13-14

13-14

14-15

17-18

14

14-15

15-16

18-19

35

90

245

225

23

Peak at

360



C0530R

-20


70 80 90 120

Cycle Time

(minutes)

Suction Pressure

(PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

10

207 min

11-13

14

15

16

30

145

230

200

13-14

14-15

15-16

17-18

13-14

14

15-16

17-18

35

100

245

220

27

Peaks at

350



C0630R

-20


70 80 90 120

Cycle Time

(minutes)

Suction

Pressure (PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

7-8

Min 204

9

9-10

10-11

12

30

110

240

200

9

9-10

11-12

14

9-10

10

11

13-14

30

120

245

220

16-17

Peaks at

370



C0830R

-20


70 80 90 120

Cycle Time

(minutes)

Suction Pressure

(PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

8-9

Min at

205

9-11

11

12-13

13-14

32

100

240

200

10-11

11-12

12-13

15

12

13

13-14

16-17

32

110

245

210

21-22

Peak at

360



C1030R

-20


70 80 90 120

Cycle Time

(minutes)

Suction Pressure

(PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

9

Min 207

10-11

11

12-13

13-14

28

95

230

200

11

11-12

12-13

15-16

12-13

12-13

14

16-17

27

100

240

215

20-21

Peaks at

380



C1448R

-20


70 80 90 +120

Cycle Time

(minutes)

Suction Pressure

(PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

Ice per cycle, 12 lb.

9

Min 207

11

11-12

13

14

40

100

240

150

11-12

11-12

13

15-16

14-15

14-15

16

18-19

40

125

270

200

22

Peak at

405



C1848R

-20


70 80 90 120

Cycle Time

(minutes)

Water Temp

50

70

80

90

Suction

Pressure (PSIG)

End of Freeze

Harvest

Discharge

Pressure (PSIG)

End of Freeze

Harvest

9

Min 210

10-11

11-12

13

14

32

85

240

170

11-12

12

13-14

16

13

13

14-15

17

33

105

245

205

19

Peak at

370

Ice per cycle 14 lb.

August 2011 Page 93


C2148R

-20

Condenser Intake Air Temp., Degrees F

70 80 90 120

Cycle Time

(minutes)

Suction Pressure

(PSIG)

Discharge

Pressure (PSIG)

Water Temp

50

70

80

90

End of Freeze

Harvest

End of Freeze

Harvest

Ice per cycle, 14-15 lb.

9

Min 217

10

9-10

11-12

12-13

24

80

240

190

10

10

11

14

11

12

13

15-16

24

95

250

220

18-19

Peaks at

410


Wiring Diagrams

C0322, C0522, C0722, C0330, C0530, C0630, C0830, C1030 - Single Phase


Wiring Diagrams

C0530 C Air or Water Cooled 60 Hz

May 2011 Page 96

Wiring Diagram

C0830, C1030 - Three Phase


Wiring Diagram

C0522R, C0530R, C0630R, C0830R, C1030R - Single Phase


Wiring Diagrams

C0530R C

May 2011 Page 99

Wiring Diagram

C0522R, C0530R, C0630R, C0830R, C1030R Single Phase after 9/09


Wiring Diagram

C0522R, C0530R, C0630R, C0830R, C1030R - Three Phase


Wiring Diagram

C0522R, C0530R, C0630R, C0830R, C1030R Three Phase after 9/09


Wiring Diagram

C1448, C1848, C2148 Single Phase


Wiring Diagram

C1448, C1848, C2148 - three phase

March 2007 Page 104

Wiring Diagram

C1448R, C1848R, C2148R - single phase


8 7 6

J2

5 4 3 2 1

4 3 2

J6

1

Wiring Diagram

C1448R, C1848R. C2148R - three phase


Wiring Diagram

C1448R-63 230/380-420/50/3

June 2008 Page 107

Repair Procedures


1 Disconnect electrical power

2 Shut off the water supply.

3 Remove front and left side panels.

4 Unplug wire from coil.

5 Disconnect water supply tube from the inlet of the valve.

Electrical Shock Hazard.

Disconnect electrical power before beginning.

6 Disconnect the water outlet tube.

7 Remove the two mounting screws holding the valve to the back panel.

8 Pull the valve forward and out of the machine.

Fan Blade or Motor

1 Push and release the Off button

2 Disconnect electrical power.

3 Remove front panel, sound shield and left side panel.

4 Unplug fan motor wire leads.

5 Remove fan motor mounting brackets from shroud. Note: Fastener size is 3/8” hex

6 Carefully remove fan motor and blade assembly from machine cabinet.

7 Loosen set screw, pull fan blade from motor shaft.

8 If the blade is the only part being changed, reverse to reassemble. Note: blade mounts purge to end of motor shaft.

9 If the motor will be changed, remove mounting brackets from fan motor. Note: Fastener size is ¼” hex.

10 Reverse to reassemble.


Harvest Assist Solenoid

1 Remove front panel.

2 Push and release Manual Harvest button

3 Disconnect electrical supply



4 Remove sound shield

5 Unplug wires from solenoid

6 Remove two screws and solenoid from cabinet


Harvest Assist Solenoid



Ice thickness sensor

1 Push and release the Off switch.

2 Remove front and top panels.

3 Push and release the Harvest switch

4 Remove the evaporator cover.

5 Remove the sound shield.




7 Open the control box.

8 Remove curtain.

9 Locate sensor, squeeze mounting legs together to release it from the mounting bracket.

10 Remove sensor, follow wire back to control box.

11 Disconnect from controller connection J10.

12 Remove sensor from machine.


14 Set initial probe-to-evaporator-surface gap using a 7/32” drill bit as a gauge.



Capacitor (run)



3

4

Open control box cover.

Remove right side of control box.



5 Remove metal barrier from control box

6 Remove screw holding strap to back of the control box.

7 Remove wires from capacitor

8 Connect wires to new capacitor, refer to wiring diagram as needed.


Contactor



3 Open control box cover.

4 Remove right side of control box.

5 Remove metal barrier from control box

6 Remove mounting screws holding contactor to control box.

7 Exchange wires from old controller to new. Refer to wiring diagram as needed.




Controller





3 Open control box door.

4 Unplug all wires from controller.

5 Remove screws holding controller to door

6 Push controller snaps down and pull controller from mounting bracket.

7 Before touching new controller, discharge any static electricity by touching the metal surface of the ice machine cabinet.

8 Rotate selector switch to the proper model number for the machine the controller is being installed on.

9 Install new controller on mounting bracket, secure with original screws.

10 Attach all wires removed.

11 Shut control box cover.

12 Switch on the electrical power.

Controller's Model Selector Switch



Curtain

1 Push and hold the Off button to shut the machine off.


3 Remove evaporator cover.

4 Push inside tab in to release front curtain pin from holder.

5 Pull curtain from machine.


7 Push and release the ON button to restart the machine.

Curtain switch


2 Disconnect electrical power






6 Open control box.

7 Locate curtain switch on evaporator mounting bracket. Pull switch from its snaps.

8 Dismount wires from sump cover and remove from J7 or J8 connector on control board.

9 Reverse to reassemble. Be sure wires are re-mounted to sump cover edge.



Purge valve




4 Remove left side panel.

5 Unplug wires from valve coil.

Note: The coil can be removed from the valve body by rotating it 1/8 turn

CW. After removal of the coil the spring and plunger can be taken out.

6 Remove screws holding valve to mounting bracket.

7 Remove inlet and outlet hoses

8 Remove valve from cabinet.

9 Reverse to reassemble

1 Push and release the On button to restart the machine

Water level sensor

1 Push and hold the Off button until the machine shuts off.

2 Remove the front panel.


4 Locate water level sensor.

5 Squeeze the locking tabs together and pull the sensor up and out of the sump.

6 Unplug the electrical connection from the sensor.






Water pump

1 Push and hold the Off button until the machine shuts off.



2 Remove the front panel.


4 Unplug the water pump

5 Rotate the pump CCW about 1/8 turn to release it.

6 Lift pump up and remove hose

7 Attach hose to new pump

8 Install in pump bracket.

9 Rotate CW about 1/8 turn to lock it in place.

10 Plug pump into harness

11 Return panels to their original positions and secure with the original screws.

12 Push and release the ON button to restart the machine.


Refrigeration Removal and Replacement Procedures

Evaporator



3 Remove right side panel.

4 Remove top panel.

5 If the machine was in operation, push and release the Harvest button to warm up the evaporator.




7 Remove harvest assist solenoid

8 Recover refrigerant.

9 Remove curtain

10 Remove water distributor

11 Release ice thickness sensor

12 Remove water distributor bracket from the top of the evaporator

13 Connect nitrogen bottle to discharge access port. Open both access valves.

14 Open nitrogen valve

15 Unsweat the inlet and outlet refrigerant tubes. Use caution when heating the tubing, do not damage the freezing compartment walls.

16 Shut nitrogen valve.



17 Gain access to the right side of the unit. Remove mounting screws holding the evaporator to the freezing compartment wall. Note: fastener size is 5/16” hex.

18 Remove the evaporator from the ice machine.

19 Attach new evaporator to freezing compartment wall, but do not secure tightly at this time.

20 Install the harvest assist solenoid. Note location of ejector pin. Adjust position of the evaporator slightly to center the pin in the guide hole of the evaporator. When centered, tighten all evaporator fasteners.

21 Open nitrogen valve

22 Reconnect inlet and outlet tubes by brazing the copper tubes together.

23 Replace filter drier.

24 Shut access valves, remove nitrogen bottle.

25 Evacuate to at least 300 microns.

26 Weigh in the nameplate charge. Check for leaks.

27 Return ice thickness sensor bracket, ice thickness sensor, water distributor, curtain and evaporator cover to their original positions.

28 Reconnect electrical power.

29 Return sound shield and front panel to their original positions.



Compressor



3 If the machine was in operation, push and release the Harvest button to shut it down.

Wait until the harvest cycle has ended so the evaporator has no ice on it.

4 Open the replacement compressor box. Check the compressor nameplate, be SURE that the replacement compressor is the correct one for the unit.





7 Remove compressor terminal cover and disconnect electrical leads.

8 Remove all the mounting bolts.

9 Open both discharge and suction access valves

10 Connect nitrogen to discharge access valve.

11 Open nitrogen valve.

12 Unsweat the suction, discharge and process tubes.

13 Unsweat the drier from the liquid line. Remove it.

14 Shut the nitrogen valve.

15 Remove the compressor from the ice machine. Note: Some models may require the control box to be moved slightly to allow compressor replacement.

16 Immediately place new compressor in ice machine.



17 Open nitrogen bottle and braze compressor suction, discharge and process joints together. Braze new drier into system.

18 Shut off nitrogen, shut access valves.


20 Replace PTCR and run capacitor.


22 Reconnect electrical leads.

23 Attach compressor terminal cover.



Note: If the compressor is being returned for warranty, braze the stubs shut and tag the compressor with the required information.



Thermostatic Expansion Valve


2 Remove sound shield (when used)

3 If the machine was in operation, push and release the Harvest button to shut it down.

Wait until the harvest cycle has ended so the evaporator has no ice on it.



6 Remove insulation covering expansion valve and bulb.

7 Remove strap securing bulb to suction line.

8 Open both discharge and suction access valves

9 Unsweat the expansion valve from the liquid line. Remove it.

10 Unsweat the drier from the liquid line. Remove it.

11 Connect nitrogen to discharge access valve.

12 Immediately place new valve in ice machine.

13 Open nitrogen bottle and braze expansion valve inlet and outlet joints together. Braze new drier into system.

14 Shut off nitrogen, shut access valves.



17 Attach bulb to suction line. Position at 4 or 8 o'clock on the tube. Secure tightly but do not crush the bulb with the strap.

18 Attach valve and bulb insulation.




Optional add-on control information

Vari-Smart™ Adjustable ice level option

The adjustable ice level control is an optional add-on system consisting of an control board, label and sensor.

The control board fits above the standard control and connects to it using connector J4. The sensor mounts to the base of the ice machine through a hole in the base.

The control has an adjustment knob. Rotating the knob CW lowers the maximum ice level that the ice machine will maintain in the bin or dispenser. When the ice level is at or above maximum for the setting, the bin full light on the ultrasonic board will be ON.

Ultrasonic Board and Cable

Back View of Ultrasonic Board

12

11

13

14

10

0

9

16

18

32

20

22

30

28

24

26

Ultrasonic ice level control settings

Ultrasonic control shown in its installed position, set at maximum fill.

0 = controlled by the curtain switch


Adjustable Ice Level System Information and Diagnosis

The ultrasonic sensor in the base of the ice machine is located to take advantage of the natural slope of the ice as it builds up in the bin. The numbers of the settings are from the sensor to the top of the ice pile directly under the sensor.

If the Vari-Smart system fails to shut off the machine and ice overfills the bin or dispenser, the curtain switch in the machine will switch the machine off, and will also restart the machine when ice is removed.

Note: Additional information on this option is included with the instructions provided with it.


Prodigy's Smart-Board™ - an Advanced Feature Control

An optional control is available that can provide users with more features. It is available either as a field installed option or as a data-logger that can be used by the service technician.

The kit number for the add on option is: KSBU

The kit number for the data logger version is: TPDL1 or TPDL2

The Smart-Board can be applied to most Prodigy models. It can be used:

• With the standard controller

• With the standard controller and the SmartLock device (KSL)

• With the standard controller and the Vari-Smart™ Ice Level Control (KVS)

• With the standard controller, and both the KSL and the KVS

Smart-Board abilities include:

• Ethernet connection

• USB connection to be used with Scotsman's Prodigy TechTool software

• Data Logging

• Data Display

The Smart-Board mounts to the control box door just below the main controller.

The cable connecting the two routes from the main controller Accessory connector to

J1 of the Smart-Board.

Vari-Smart

If the datalogger version is used, it plugs into the Accessory connector of the main controller.

If a SmartLock device is also connected, the SmartLock cable must be moved from the Accessory connector to the RLO connector of the SmartBoard.

Features and use instructions are included with either the KSB or the TPDL1.

Smart-Board

Cable Connects

Smart-Board

Back of Controller, with SmartBoard and

Vari-Smart Options installed.


Scroll Up

Button

Select

Button

Escape

Button

Display

Area

SmartBoard

™

Advanced Feature Control

34

SEL

ESC

ENTER

See Instructions for Available Features

Scroll

Down

Button

Enter

Button

USB

Connection

02-4293-01

Rev A.

Scroll Up: Changes the display to a menu item higher on the menu list or goes up one number on a setting

Scroll Down: Changes the display to a menu item lower on the menu list or goes down one number on a setting

Select Button: Use to make changes to settings.

Enter Button: Changes display to a sub menu list.

Escape Button: Changes display to the main menu.

The SmartBoard can display Alerts and Data.

Alerts:

• Service ice machine soon

• Slow water fill

• Long freeze cycle

• Long harvest cycle

• High discharge temperature

Note: Additional information on this option is included with the instructions provided with it.


Remote SmartLock (KSL)

The remote lock out feature can be added to any controller. The feature allows someone, using a special paging service and code to control the on and off operation of that ice machine.

When a controller is locked out, the machine will finish a cycle and then stop. Switching the power off and on, pushing any amount or combination of switches will not restart the machine.

It can only restart when it receives a clear signal from the remote lockout board.

The remote lock out consists of an antenna and cable. The antenna must be mounted onto the back of the ice machine cabinet. Two holes are provided for mounting. The connecting cable routes from the antenna through a hole in the back panel into the bottom of the control box.

Connect the antenna to the Accessory connector on the main board, or, if a SmartBoard has been installed on the machine, onto the RLO connector of the SmartBoard.

Due to the sensitive nature of this option, further information will only be supplied to registered users of a SmartLock device.


Selected Prodigy Cuber Suction Graphs






Wiring Diagram - 50 Hz

C0630R-6, C0830R-6, C1030R-6


Wiring Diagram - 50 Hz

C0530C 50 Hz

May 2011 Page 130

Index

B

Bridge Thickness . . . . . . . . . . . . . 7

C

Clear diagnostic code: . . . . . . . . . . . 40

Code Display . . . . . . . . . . . . . . . . 22

Component Indicator Light Table . . . . . . 34

Component Indicator Lights . . . . . . . . 23

Compressor . . . . . . . . . . . . . . . . 32

Contactor . . . . . . . . . . . . . . . . . . 32

Controller Connections: . . . . . . . . . . 37

Controller . . . . . . . . . . . . . . . . . . 33

Curtain Switch(es) . . . . . . . . . . . . . 33

D

Discharge temperature sensor.. . . . . . . 34

E

Electrical Components: . . . . . . . . . . . 21

Electrical Sequence - Air or Water Cooled . 27

Electrical Sequence - Remote Cooled . . . 29

Empty reservoir . . . . . . . . . . . . . . . 40

F

Fan Motor(s) . . . . . . . . . . . . . . . . 32

H

Harvest Assist Solenoid(s) . . . . . . . . . 32

High pressure cut out . . . . . . . . . . . . 32

Hot Gas Valve(s) . . . . . . . . . . . . . . 33


I

Ice Thickness Sensor. . . . . . . . . . . . 33

Inlet Water Solenoid Valve . . . . . . . . . 32

L

Limitations . . . . . . . . . . . . . . . . . 4

Liquid Line Valve . . . . . . . . . . . . . . 33

Lock / Unlock control:. . . . . . . . . . . . 40

M

Max freeze time – 45 minutes . . . . . . . 38

Max harvest time – 3 minutes . . . . . . . 38

Min freeze time – 6 minutes . . . . . . . . 38

Model Number . . . . . . . . . . . . . . . 2

P

Plumbing Requirements . . . . . . . . . . 5

Power Interruption . . . . . . . . . . . . . 39

Purge Valve . . . . . . . . . . . . . . . . 32

R

Recall diagnostic code: . . . . . . . . . . . 40

Refrigerant . . . . . . . . . . . . . . . . . 63

Remote Condenser Location . . . . . . . . 13

Remote Systems . . . . . . . . . . . . . . 35

Reset control:. . . . . . . . . . . . . . . . 40

S

Set purge level, . . . . . . . . . . . . . . 40

Setting Codes . . . . . . . . . . . . . . . 22

Start Test Mode: . . . . . . . . . . . . . . 40

T

Test Mode Sequence - Remote . . . . . . 56

Test Mode: . . . . . . . . . . . . . . . . . 40

Transformer . . . . . . . . . . . . . . . . 33

W

Warranty . . . . . . . . . . . . . . . . . . 4

Water Filters . . . . . . . . . . . . . . . . 5

Water Interruption . . . . . . . . . . . . . 39

Water Level Sensor . . . . . . . . . . . . 33

Water Level Sensor: . . . . . . . . . . . . 36

Water Pump . . . . . . . . . . . . . . . . 32

Water Purge . . . . . . . . . . . . . . . . 3

Water purge setting. . . . . . . . . . . . . 8

Water temperature sensor.

. . . . . . . . 33


SCOTSMAN ICE SYSTEMS

775 Corporate Woods Parkway

Vernon Hills, IL 60061

800-533-6006 www.scotsman-ice.com

17-3141-01 Rev B.

Technical Service Manual

Technical Service Manual

SCOTSMAN ICE SYSTEMS

775 Corporate Woods Parkway

Vernon Hills, IL 60061

800-533-6006 www.scotsman-ice.com

Related manuals

Danfoss

EVRF 3-W, NO - 032R9511

Scotsman

Prodigy C0330

Scotsman

C1448R-D

Scotsman Ice

C1030

Manitowoc Ice

I25 & I45

Scotsman

C1448

Scotsman

Two Piece Articulated Curtain - 17-3362-01

Scotsman

C0630R-D