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INTRODUCTION
To the owner or user: This service manual is
intended to provide you and the maintenance or
service technician with the information needed to
install, start up, clean, maintain and service this
ice system.
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Location & Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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For the Plumber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Initial Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Harvest Cycle Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Component Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal and Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Lists and Wiring Diagrams are located in the
center of this manual, printed on yellow paper.
Table of Contents
September 1993
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Table of Contents
Related Manuals for Scotsman CMS1402
Summary of Contents for Scotsman CMS1402
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Page 1: Table Of Contents
Removal and Replacement ......Parts Lists and Wiring Diagrams are located in the center of this manual, printed on yellow paper. Table of Contents September 1993 Page 1 CMS1402... -
Page 2: Specifications
CMS1402 FOR THE INSTALLER The CMS1402B will fit the following Scotsman ice storage bin (48" wide): BH900, and with adaptors, onto the following Scotsman ice storage bins: BH1000 (with KBT21) or BH1360; and it will stack (with kits) onto the following ice machines: CMS1202, or CMS1402 (use KSCMS48). -
Page 3: For The Installer: Location & Assembly
1. Arrange for proper electric, water and drain. See instructions for the plumber and for the electrician. 2. Single ice machine on bin: Use legs packed with the bin. After mounting the legs position the ice storage bin in the selected location: Two ice machines on a bin require stacking kit KSCMS48. -
Page 4: Stacking
CMS1402 FOR THE INSTALLER: Location & Assembly Stacking Instructions A stacking kit, KSCMS48, is required to interconnect the ice level controls, seal the freezing compartments, and to retain the top edges of the bottom unit’s front panels. Follow the installation instructions of the stacking kit, but in general: Use heavy duty legs (kit KLP6). -
Page 5: For The Electrician
All external wiring should conform to the national, state and local electrical code requirements. Usually an electrical permit and services of a licensed electrician will be required. HAND DISCONNECT SWITCH JUNCTION ELECTRICAL CONNECTIONS, AIR COOLED September 1993 Page 5 CMS1402 GROUND SCREW DETAIL OF JUNCTION BOX... -
Page 6: For The Plumber
Water Limitations: An ice machine is a food manufacturing plant, it takes in a raw material, water, and turns it inot a food product, ice. The purity of the water is very important in obtaining pure ice and in maximizing product life. -
Page 7: Final Check List
11. Has the Manufacturers Registration form been properly filled out? Check for correct model and serial numbers from Serial nameplate, then mail the completed card to the SCOTSMAN factory. 12. Has the owner/user been given the Service Manual and instructed how to operate and maintain the icemaker? 13. -
Page 8: Initial Start Up
CMS1402 INITIAL START UP 1. Remove the front panels by removing screws at the base and pulling out. 2. Remove two screws and the control box cover. FRONT VIEW OF TIMER 3. Check that the two switches on the control box,... - Page 9 Customer Evaluation form and send it in. Explain to the owner/user the significant specifications, operation, and maintenance requirements of the ice machine. Inform the owner of the name and telephone number of the local authorized SCOTSMAN Distributor, or service agency. September 1993 Page 9 CMS1402 CAMS...
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Page 10: Freezing Cycle Operation
CMS1402 FREEZING CYCLE OPERATION Water from the sump assembly is pumped to the water distributor system at the top of each evaporator plate. From the water distributor the water cascades by gravity over all cells of the plate WATER DISTRIBUTION and to the sump assembly below. -
Page 11: Harvest Cycle Operation
CMS1402 HARVEST CYCLE - HOT GAS BYPASS When the timer switches the icemaker into the harvest cycle, the finish relay is de-energized, and WATER the hot gas valve and inlet water valve OPEN. DISTRIBUTION Then high pressure, high temperature gas... -
Page 12: Component Description
CMS1402 COMPONENT DESCRIPTION Cube Size Control This reverse acting thermostat controls the length of the freezing cycle. It is sensing the temperature of the suction line. When the suction line gets cold enough, the cube size control closes (on temperature fall) and starts the timer. A change in... - Page 13 Bin Level Control This electronic control uses sound waves to measure the distance between the bottom of the ice machine and the top of the ice in the bin. It is designed to control the machine’s ice production to maintain that distance.
- Page 14 CMS1402 COMPONENT DESCRIPTION Water Inlet Solenoid Valve The water inlet solenoid valve fills the sump assembly with water. Extra water overflows out the overflow standpipe of the sump. This action fills and rinses the sump during each harvest cycle. The flow rate is 1 g.p.m.
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Page 15: Cleaning
CLEANING ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// A Scotsman Ice System represents a sizable investment of time and money in any company’s business. In order to receive the best return for that investment, it MUST receive periodic maintenance. Maintenance and Cleaning should be scheduled at a minimum of twice per year. - Page 16 Scotsman Ice Machine Cleaner and hot water. Remove any scale prior to sanitizing. To Remove Scale: 1. Mix a cleaning solution of 4 ounces of Scotsman Ice Machine Cleaner to 4 pints of hot (95 F.) water. 2. Using rubber gloves, dip a nylon scouring pad into the cleaning solution, and scrub the scale off of the liner.
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Page 17: Adjustments
2. Rotate the adjusting knob one-eighth of a turn COUNTER Clockwise. 3. Observe size of ice cubes in next ice cube harvest and, if needed, adjust again until correct ice cube size is achieved. September 1993 Page 17 CMS1402... - Page 18 CMS1402 ADJUSTMENTS Adjustment Of The Timer & Switch Assembly Electrcial power present in the control box can cause personal injury. Disconnect power before begining to adjust timer. One complete revolution of the cam on the timer takes eight minutes. The normal setting is three and a half minutes, as set at the factory.
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Page 19: System Specifications
Copeland CRL3-0350-PFV-270 (single phase) Copeland CRL3-0350-TF5-270 (three phase) Ice Level Control Maximum Range = 8 feet Partial Fill Setting:= 21" - 22" from the base of the ice machine Timer 1 revolution takes 8 minutes Cube Size Control Cut In adjustable between 0 F. -
Page 20: Service Diagnosis
CMS1402 SERVICE DIAGNOSIS: Electrical and/or Adjustments SYMPTOM Nothing operates Makes thick ice/freezes up Runs, makes no ice Long freeze cycle Cubes too small Cubes too large POSSIBLE CAUSE Bin level control holding machine off No Power High pressure control open High temperature cut out open P. - Page 21 Control set on partial Ice level control failiure Timer stuck; does not turn September 1993 Page 21 CMS1402 PROBABLE FIX Check and adjust harvest time Check supply, filter, strainer and valve Check for power to the coil, check for not opening, replace...
- Page 22 CMS1402 SERVICE DIAGNOSIS: Ice Level Control Circuit CONDITION Ice Machine does not run, it has power to it, the high pressure control is closed, the on/off switch is set to Machine runs, makes ice, switches on and off, but ice level cannot be controlled.
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Page 23: Removal And Replacement
Remove the cube size control. To replace the cube size control, reverse the removal procedure. September 1993 Page 23 CMS1402 Electrical Shock Hazard. Electrical shock can cause personal injury. Disconnect power... - Page 24 CMS1402 REMOVAL AND REPLACEMENT Electrical Shock Hazard. Electrical shock can cause personal injury. Disconnect power before begining to service components Water Pump 1. Remove front panel. 2. Unplug water pump electrical connection. 3. Drain water reservoir. 4. Use corbin clamp pliers to loosen and slide corbin clamps on hoses away from pump.
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Page 25: Refrigeration Service
There are various mechanical devices that may be used to recycle refrigerant at the field level, however, Scotsman requires that any refrigerant placed into a Scotsman ice machine meet ARI spec 700. Reclaim programs are available thru most refrigerant wholesalers.