Icematic N25S Service Manual

Icematic N25S Service Manual

Ice-cube machines. air and water - cooled versions
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I C E - C U B E M A C H I N E S
N25S / N25L / N35S
N45S / N45L / N50BI
N55S / N55L / N70S
N90S / N90L / N140
Air and water - cooled versions
R 134a
ISO 9001
Cert. N° 0412/2
OUR SYSTEMS COMPLY WITH EEC DIRECTIVE 73/23 - 89/336 CEE
SERVICE MANUAL
Cod. 71503026/0 GB- 01/2006 - Rev. 002

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Summary of Contents for Icematic N25S

  • Page 1 I C E - C U B E M A C H I N E S N25S / N25L / N35S N45S / N45L / N50BI N55S / N55L / N70S N90S / N90L / N140 Air and water - cooled versions...
  • Page 3: Table Of Contents

    INDEX GENERAL INFORMATION • Introduction ................................. pag. 2 • Unpacking ad inspection ............................ “ INSTALLATION • Locate and levelling ............................“ • Water supply connections ..........................“ • Electrical connections ............................“ • Final check ................................. “ OPERATION • Operating instructions ............................“...
  • Page 4: General Information

    GENERAL INFORMATION A. INTRODUCTION 6. Check that refrigerant lines do not rub against ou touch other lines or surfaces, and that then fan blades move This manual provides the specification and the step-by- freely. step procedures for the installation, start-up and opera- 7.
  • Page 5: Installation

    INSTALLATION LOCATE AND LEVELLING ted on the water supply machine. Fix a flexibile palstic pipe (with an inside diameter This icemaker is designed to be installed in rooms of 20 mm. and adequate lenght to reach and open with temperatures between 10°C and 40°C. vented drain) to the waste pipe fitting.
  • Page 6: Final Check

    Check by means of a tester the continuity of the earth mass from the panels to the plug earth termi- nal board. Mod. N25S ÷ N140 FINAL CHECK a) Check that the supply means voltage corresponds to that stated on the plate of the machine.
  • Page 7: Operation

    OPERATION OPERATING INSTRUCTIONS according to the altitude being them different for any ther- mostat, we suggest regulation by checking if the ice cube Check that the shut-off valve of the water supply is in contact with the thermostat bulb stop the ice-maker not open, then plug in the machine and swich on the elec- later than 1 minute.
  • Page 8: Electrical And Refrigeration Systems

    D) Drier The rifregerant expansion system on the cube machines F) Hot gas valve G) Evaporator is the capillary. On N25S-N25L model the condensing unit H) Heat exchanger electric fan operates continuously during the ice forming...
  • Page 9: Machine Main Parts Descriptions

    MACHINE MAIN PARTS DESCRIPTION L. FAN MOTOR (Air cooled version) The fan motor, operates during the freezing cycle to draw cooling air through the condenser fins so to keep the con- B. BIN THERMOSTAT densing pressure between the 9/7 bars values. The bin thermostat, which has its sensing bulb downward into the storage bin, shuts-OFF automatically the icemak- er when the ice storage bin is filled and ice contacts its...
  • Page 10: Trouble - Shooting

    TROUBLE - SHOOTING SYMPTOM POSSIBLE CAUSE CORRECTION Unit will not run a) Electricity supply disconnected. Check the electricity supply; replace fuse if necessary and ckeck for cause. b) Loose electrical connection. Check wiring. c) Damaged storage bin thermostat. Replace thermostat. Machine runs but a) Loss or undercharge of refrigerant circuit Check for leaks, repair, evacuate all the gas...
  • Page 11 DIFETTI CAUSA RIMEDI SUGGERITI c) Air circulation blocked. Move unit to cooler location. d) Non-condensable gases in system. Purge-off. e) Detective compressor electrical Replace electrical components. components. f) Mechanical or electrical failure inner Remplace compressor. compressor. Icecubes are too low a) Water level in the pan is too low.
  • Page 12: Periodical Maintenance And Cleaning

    B) COMPRESSOR REPLACEMENT e) Clean the air-cooled condenser using a nonmetal a) Remove the rear panel on the N25S-N25L model and brush or a vacuum cleaner. the rear panel grid on N35S model f) Check that fan blades move freely and are not touch- On N45S÷N140 models remove the rear panel grid...
  • Page 13 Remove the bolts securing the evaporator supports C) AIR COOLED CONDENSER REPLACEMENT (two) to the cabinet. Remove the rear panel grid on N25S, N25L and N35S d. Sideways remove the evaporator supports. models. On N45S÷N140 and upper models remove the front panel grid and the side panels.
  • Page 14 To install the replacement paddle motor follow previous steps in reverse. M) THERMOSTAT OR RELAY REPLACEMENT a. Remove the rear panel on N25S model. L) HARVEST MOTOR REPLACEMENT On N35S÷N140 models remove the top cover. a. Remove the top cover.
  • Page 15: Technical Data

    “N” TECHNICAL DATA FOR ICE CUBES MACHINE MEDIUM AND MAXIMUM ABSORBITION ON THE "N" LINE MACHINES AT 32°C ROOM TEMPERATURE CONDENSING PRESSURE AND EVAPORATOR TEMPERATURE AT STARTING AND END CYCLE AT 32°C ROOM TEMPERATURE...
  • Page 16 WIRING DIAGRAMS N25S...
  • Page 17 N25L - N35S...
  • Page 18 N25S - N25L - N35S WATER...
  • Page 19 N45S / N45L / N55S / N55L / N70S / N90S / N90L...
  • Page 20 N45S / N45L / N55S / N55L...
  • Page 21 N50 B.I.
  • Page 22 N50 B.I. WATER...
  • Page 23 N70S / N90S / N90L WATER...
  • Page 24: Wiring Diagrams

    Via del Lavoro, 9 C.P. 172 I - 31033 Castelfranco Veneto (TV) Italy Tel. (0423) 738452 - Fax (0423) 722811 E-mail: icematic@castelmac.it Web-site: www.castelmac.it Cod. 71503026/0 GB- 01/2006 - Rev. 002...

This manual is also suitable for:

N25lN35sN45lN50biN45sN55s ... Show all

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