Scotsman NU150 Service Manual
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Also See for NU150:
- User manual (21 pages) ,
- Installation and operating instructions (2 pages)
Table of Contents
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Table of Contents
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Summary of Contents for Scotsman NU150
- Page 1 SERVICE MANUAL NU100/150/220/300 Part Number 99300407-01 Version: A...
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Page 2: Table Of Contents
NU Undercounter Ice Machine Service Manual Table of Contents Tables of Content Page How to use this manual Model and serial number Specifications Overview and installation Safety instructions Position and level adjustment Water supply and drainage connection Power supply connection Final check list Start-up Operating check... -
Page 3: How To Use This Manual
24h Ice Capacity (21℃ Air/10 ℃ Water) encounter any conditions not addressed herein, 15*10=150 lbs please contact the Scotsman Technical Service Department for assistance. You can contact the Series Name Scotsman Technical Services Department in ... -
Page 4: Specifications
100° 59.4 lbs 100° 38° 38° Water Power Consumption Consumption Minimum (Gal) (KWH) Circuit Fuse Size mm MODEL Condenser Weight Ampacity (Width*Depth*Height) (kg) 32℃ Air/21℃ Water 100lbs Ice NU100*A Air Cooled 12.6 600*610*770 NU150*A Air Cooled 600*610*770 ... - Page 5 NU Undercounter Ice Machine Service Manual Sepecifications NU100/150 Size With Short Foot With High Foot...
- Page 6 NU Undercounter Ice Machine Service Manual Sepecifications NU220/300 Specification Water Temperature Water Temperature NU220 NU300 ℉ ℉ 50° 60° 70° 90° 50° 60° 70° 90° ℃ ℃ 10° 15° 21° 32° 10° 15° 21° 32° 50° 50° 10° 10° 70°...
- Page 7 NU Undercounter Ice Machine Service Manual Specifications NU220 Size ...
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Page 8: Specifications
NU Undercounter Ice Machine Service Manual Specifications NU300 Size ... -
Page 9: Overview And Installation
Installation requirements general finite warranty clause of Scotsman Please ensure the following items are met producer. during you determining the installation location:... -
Page 10: Water Supply And Drainage Connection
Electrical Connections See name plate for current requirements to determine wire size to be used for electrical connections. All SCOTSMAN ice machines require a solid earth wire. All SCOTSMAN ice machines are supplied from the factory completely pre-wired and require only electrical power connections to the wire cord provided at rear of the unit. -
Page 11: Final Check List
Check for correct model and serial number according to the serial plate and mail the registration card to the factory. 12. Has the user been given the name and the phone number authorized SCOTSMAN Service Agent? ... -
Page 12: Start-Up
NU Undercounter Ice Machine Service Manual Start Up At the end of the cleaning operation, the unit Start-Up will enter into the freezing cycle automatically After having correctly installed the ice maker with the start up of compressor; water level of and completed the plumbing and electrical the water tank gets into the control state. -
Page 13: Operating Check
NU Undercounter Ice Machine Service Manual Operating Check Operating check Note: The ice thickness sensor is installed If required, the refrigerant service gauges can on the surface of the evaporator; the be mounted on the high pressure side and low length of the entire freezing cycle is pressure side to check discharge and suction controlled by the interval time of the... - Page 14 NU Undercounter Ice Machine Service Manual Operating Check sliding plate. After 3 minutes, the ice maker returns to ice making cycle. Remove the refrigerant service gauges (if fitted) and refit the unit panels previous removed after adjustment. Instruct the user on the general operation of the ice maker, the cleaning and maintenance.
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Page 15: Ice Machine Adjustments
NU Undercounter Ice Machine Service Manual Adjustments Ice machine adjustments Adjustment of ice thickness The ice thickness has been adjusted to a suitable position before it was shipped out. If needed, adjust the screw on the ice thickness sensor properly to meet the suitable thickness. Clockwise rotation can make the ice thickness thicker, while counterclockwise can make the ice thickness thinner. -
Page 16: How The Ice Maker Works
NU Undercounter Ice Machine Service Manual How the ice maker works How the ice maker works For NU ice maker, the water for making ice is pumped into the spray pipe by water pump. After flew out from the holes of spray pipe, then it will flow over the surface of the ice plate with constant and even speed. - Page 17 NU100： 5～2 bar （58psi～29psi） condensation temperature, it will feed back to NU150： 5～2 bar （58psi～29psi） the PC board which will control the outage of NU220： 5～2 bar （58psi～29psi） fan. NU300： 5～2 bar （58psi～29psi） Overall length of freezing cycle is between...
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Page 18: Components Description
Refrigerant charge ice sliding plate by gravity and finally fall into Refrigerant: R404A the ice bin. NU100：320g NU150：320g NU220：360g NU300：400g Components Description Ice thickness sensor The condenser temperature sensor probe is... - Page 19 NU Undercounter Ice Machine Service Manual Components Description is full and the Bin Full BMLX (BML1 on PC board) Red LED indicates. When the ice in the storage bin is taken out or moved, the ice trough is re-set, the magnetic sensor detects the magnetism, and the state of ice bin full is released then enters into the freezing cycle.
- Page 20 NU Undercounter Ice Machine Service Manual Components Description Recommendation: The water pump should be checked at least Water Level Sensor every 3 months. Water Inlet Solenoid valve - 3/4" Male Fitting The water inlet solenoid valve is located on the up and down water support.
- Page 21 NU Undercounter Ice Machine Service Manual Components Description An expansion valve that is restricted or not High Pressure Control switch opening properly will starve the evaporator The high Pressure Control is in the ice machine, resulting in lower than normal suction pressure. when the ice machine occurs failure and the A low refrigerant charge will also starve the high pressure is more than 33bar(462psi), the...
- Page 22 If the filter is damaged due to aging, call the Power on - Water Supplying – Pre-Cooling – Scotsman service agent to replace it. Freezing - Defrosting - Ice Bin Full Detecting Power switches on front panel...
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Page 23: Wiring Diagram
NU Undercounter Ice Machine Service Manual Wiring Diagram Wiring diagram NU100/150/220/300 ... -
Page 24: Trouble Shooting Table
NU Undercounter Ice Machine Service Manual Trouble Shooting Tabl Trouble shooting table Symptom Possible Cause Suggested Correction Abnormal power supply Check power supply voltage, if no voltage, check power supply line Check power supply voltage, if it is low, contact power supply company The fuse on PC board blew Replace the fuse. - Page 25 Vacuum and re-charge according to the was charged nameplate and the requirement from Scotsman Company Inoperative PC board Check, if damage, replace it Excessive water on Check for the leaking points and repair Water system leak unit base it.
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Page 26: Water System Cleaning
NU Undercounter Ice Machine Service Manual Clean and Maintenanc Clean and maintenance Note: General Cleaning solution machine periods procedures corrosive. If it splashing on your mouth can maintenance and cleaning can be adjusted. cause mouth burns, So don't make it splash. In case cleaning solution splashes on your Cleaning, especially, depends upon local water mouth or eyes, use a lot of water or milk to... -
Page 27: Winterizing Procedures
NU Undercounter Ice Machine Service Manual Clean and Maintenanc 40 minutes. After cleaning and rinsing procedure finished, the cleaning RED light will blink slowly. 5. At the end of the freezing cycle, make sure of proper quality and cleanness of the ice cubes and that, they do not have any acid taste. - Page 28 Scotsman Ice Systems (Shanghai) Co., Ltd. Address ： Room 2505, Building 2, No 20 Fax: 00 86 - 21- 61313330 Hotline: 00 86 - 4006300076 Xuhong Middle Rd, Shanghai, China. (200235) E-Mail: sales@scotsman-china.com...
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