Related Manuals for Nordcap SP 255 L
Summary of Contents for Nordcap SP 255 L
- Page 1 User Manual Electronic Modular Flaker SP 255 L / W [Art. 413225000011] / [Art. 413225000021] 2020-01...
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Page 2: Specifications
Page 5 SPECIFICATIONS ELECTRONIC MODULAR FLAKER MODEL SPN 255 Important operating requirements: • Air temperature 10°C (50°F) 40°C (100°F) • Water temperature 5°C (40°F) 35°C (90°F) • Water pressure 1 bar (14 psi) 5 bars (70 psi) • Electr. voltage •... - Page 3 Page 6 SPECIFICATIONS Dimensions: HEIGHT (less legs) 525 mm. HEIGHT (with legs) 542 mm. WIDTH 563 mm. DEPTH 536 mm. WEIGHT 49 Kg. SPN 255 - MACHINE SPECIFICATIONS (R404A version) Water req. Model Cond. unit Comp. HP Finish lt/24 HR SPN 255 AS 200* S.
- Page 4 Page 7 SPECIFICATIONS Dimensions: HEIGHT (less legs) 525 mm. HEIGHT (with legs) 542 mm. WIDTH 563 mm. DEPTH 536 mm. WEIGHT 49 Kg. SPN 255 - MACHINE SPECIFICATIONS (R134A version) Water req. Model Cond. unit Comp. HP Finish lt/24 HR SPN 255 AS 168* S.
- Page 5 Page 21 OPERATING INSTRUCTIONS START UP Elapsed the stand by period the unit starts operating with the activation in sequence of the following assemblies: After having correctly installed the ice maker and completed the plumbing and electrical GEAR MOTOR/S connections, perform the following “Start-up” pro- COMPRESSOR cedure.
- Page 6 Page 22 FIG. 2 WATER LEVEL RESET GEAR MOTOR ROTATION CONTACTOR COIL RELAYS CONDENSER TEMP. T 40÷50°C EVAPORATOR TEMP. GEAR MOTOR ICE LEVEL CONTROL TRIAC FAN MOTOR TRANSF. ELECTRONIC CARD FIG. 3 WATER LEVEL RESET GEAR MOTOR ROTATION CONTACTOR COIL RELAYS CONDENSER TEMP.
- Page 7 Page 23 NOTE. On air cooled models, the condenser NOTE. If, after ten minutes from the compressor start-up, the evaporating tem- temperature sensor, which is located within perature has not dropped down to a value the condenser fins, keeps the head °...
- Page 8 Page 24 This will cause a gradual decrease of the water After 3 minutes the unit resumes its total operation level in the float reservoir and as soon as the with the immediate start-up of the gear motor level gets below the two vertical metal pins, the and, few seconds later, of the compressor.
- Page 9 Page 25 If previously installed, remove the refrigerant NOTE. The ICE LEVEL CONTROL service gauges and re-fit the unit service panels (INFRARED SYSTEM) is independent of the previously removed. temperature however, the reliability of its detection can be affected by external light Instruct the owner/user on the general radiations or by any sort of dirt and scale operation of the ice machine and about the...
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Page 10: Principle Of Operation
Page 26 PRINCIPLE OF OPERATION WATER CIRCUIT SPN 125-255 The water enter in the machine through the ICE SPOUT water inlet fitting which incorporates a strainer - FLOAT TANK located at the rear side of the cabinet - then it FLOAT VALVE goes to the water reservoir flowing through a float valve. -
Page 11: Refrigerant Circuit
Page 27 By running the ice maker, i.e. by putting the unit This condenser temperature sensor, when under power, starts the automatic and continuous senses a rising of the condenser temperature icemaking process which would not stop until the beyond the pre-fixed limit, changes its electrical ice storage bin gets filled-up to the level of the resistance and send a low voltage power flow to control “eyes”... - Page 12 Page 28 tube connected to the liquid refrigerant line. As The RED LED starts blinking and three pressure increases, the water regulating valve minutes later the flaker unit resume its normal opens to increase the flow of cooling water to the operating mode.
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Page 13: Mechanical System
Page 29 MECHANICAL SYSTEM The machine will remain in OFF mode for one hour then it will restart automatically. The mechanical system of the SIMAG In case the unit trips OFF again in alarm for Flaker machines consists basically of a gear 3 times in 3 hours, the machine SHUTS OFF motor assembly (two on model 1205) which DEFINITIVELY. -
Page 14: Refrigerant Metering Device
Page 30 REFRIGERANT METERING DEVICE: NOTE. Before charging the refrigerant system capillary tube always check the type of refrigerant and quantity as specified on the individual ice machine dataplate. The refrigerant charges indicated are relatives to averages operating conditions. REFRIGERANT TYPE MODEL R134A R404A... - Page 15 Page 31 COMPONENTS DESCRIPTION EVAPORATOR TEMPERATURE ture variations and signals them by supplying SENSOR current, at low voltage, to the P.C. BOARD. In case the condenser temperature sensor The evaporator sensor probe is inserted into its detects a temperature at the condenser lower tube well, which is welded on the evaporator °...
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Page 16: Yellow Led
Page 32 OPTICAL ICE LEVEL CONTROL YELLOW LED (Two on SPN 1205 Model) - Blinking: I/R beam cut The electronic optical ice level control, located into the ice chute (one in each of the two ice - Steady: unit shut-off at chutes on 1205 model), has the function to stop storage bin full the operation of the ice machine when the light... - Page 17 Page 33 TO BY-PASS THE 3'/60' STAND BY TIME, SYMPLY JUMP "TEST" CONTACTS WITH PCB ENERGIZED G. JUMPERS 60/70°C Set up of the Safety Condensing Temperature Sensor The Flaker PC Board is equipped by six jumpers: JUMP IN - 70°C PURGE Used on machine equipped with Water JUMP OUT - 60°C Purge Valve to purge out the water...
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Page 18: Gear Motor
Page 34 GEAR MOTOR NOTE. It is very important to make sure of the (Two on SPN 1205 Model) correct fitting of the cover on the reservoir in order to enable the sensor to efficiently control The gear motor is made of a single phase electric the water situation avoiding undue shutoff motor with permanent capacitor directly fitted on interventions. -
Page 19: Adjustment, Removal And Replacement Procedures
Page 35 ADJUSTMENT, REMOVAL AND REPLACEMENT PROCEDURES REPLACEMENT OF THE GEAR MOTOR NOTE. Read the instructions throughly MAGNETIC SENSOR before performing any of the following On SPN 125-255-405 and SPN 605 adjustment or removal and replacement pro- remove the front/top and side/rear panels and cedure. - Page 20 Page 36 Grasp the icebreaker and remove the icebreaker NOTE. It is good practice to replace the water and auger assembly by lifting them from the seal assy and both the top and the bottom evaporator. bearings any time the auger is removed. To facilitate this it is available a service Kit NOTE.
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Page 21: Replacement Of The Gear Motor Assy
Page 37 18. Apply some move lubricant then place the Remove the clamp fastening the water hose S.S. trust washer. to the water inlet port of the freezer assy. Place a water pan under this water inlet port then 19. After to have replace the O ring into the ice disconnect the water hose and collect all water flowing from freezer and from water hose. - Page 22 Page 42 SERVICE DIAGNOSIS SYMPTON POSSIBLE CAUSE SUGGESTED CORRECTION Unit will not run Blown fuse in P.C.Board Replace fuse & check for cause of No LED lighted-on blown fuse Master switch in OFF position Turn switch to ON position Inoperative P.C.Board Replace P.C.Board Loose electrical connections Check wiring...
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Page 23: Service Diagnosis
Page 43 SERVICE DIAGNOSIS SYMPTON POSSIBLE CAUSE SUGGESTED CORRECTION Wet ice Ambient temperature too high Move unit to cooler location Under or overcharge of refrigerant Recharge with correct quantity High water level in the freezer Lower to approx. 20 mm below ice spout Faulty compressor Replace... -
Page 24: Maintenance And Cleaning Instructions
Page 44 MAINTENANCE AND CLEANING INSTRUCTIONS This should cause the immediate blinking of the GENERAL Bin Full YELLOW LED located in the front of P.C. Board and, 6 seconds later, the total stopping of The periods and the procedures for maintenance the ice maker with the simultaneous light up of and cleaning are given as guides and are not to the same LED (steady). - Page 25 Page 45 Remove the top panels to gain access to NOTE. The ice made with the cleaning the water reservoir. solution is slushy and coloured also, it may tend to loose fluidity creating some resistence Remove the float reservoir cover and with a in being elevated and extruded;...
- Page 26 -R452A Version R134a -R404A Electronic modular flakers and superflakers Rev. 01/2020 Certified ISO 9001 TOTAL QUALITY...