Manuale d’uso / di manutenzione del prodotto QM45 Series del fabbricante Manitowoc
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QM45 Series Ice Machines Installation, Use, Care, and Service Manual Thank you for selecting a Manitowoc Ice Machine, the dependability le ader in ice making equipment and related products. With proper care and m aintenance, your new Manitowoc Ice Machine will provide you with many years of reliable and economical performance.
Safety Notices When using or servicing these Ice Machines, be sure to pay close attention to the safety notices in this manual. Disregarding the notices may lead to serious injury and/or damage to the ice m achine.
Table of Contents i Table of Contents Section 1 - General Information Model Numbers .................................................................................................................. .............................. 1-1 Accessories .....
Table of Contents ii Table of Contents (cont.) Section 4 - Maintenance General .............................................................................................................................................................. 4-1 Cleaning and Sanitizing Procedure .
Section 1 General Information 1-1 Section 1 General Information Model Numbers This manual covers the following models: Self-Contained Air-Cooled Voltage QM45A 115/ 60/1 QM45AE 230/ 50/1 Accessories Co.
General Information Section 1 1-2 Model/Serial Number Location Record the model and serial number of your ice machine in the space prov ided below. These numbers are required when requesting information from your local Manitowoc distributor, service representativ e, or Manitowoc Ice, Inc.
Section 1 General Information 1-3 Owner Warranty Registration Card GENERAL The packet containing this manual also includes warranty information. Warrant y coverage begins the day your new ice machine is installed. Important Complete and m ail the OWNER W ARRANTY REGISTRATION CARD as soon as possible to validate the installation date.
General Information Section 1 1-4 Residential Warranty Coverage WHAT DOES THIS LIMITED WARRANTY COVER ? Subject to the exclusions and limitations below, Manitowo c Ice, Inc.
Section 2 Installation Instructions 2-1 Section 2 Installation Instructions General These instructions are provide d to assist the qualified installer. Check your local Yellow Pages for the name of the nearest Manitowoc distributor, or call Manitowoc Ice, Inc.
Installation Instructions Section 2 2-2 Location of Ice Machine The location selected for th e ice machine must meet the following criteria. If a ny of these criteria are not met, select another location. • The location must be indoors. • The location must be free of airborne and other contaminants.
Section 2 Installation Instructions 2-3 Leveling the Ice Machine 1. Screw the leveling legs onto the botto m of the ice machine. 2. Screw the foot of each leg in as far as possible. CAUTION The legs must be screwed in tightly to prevent them from bending.
Installation Instructions Section 2 2-4 THIS PAGE INTENTIONALLY LEFT BLANK.
Installation Instructions Section 2 2-5 Electrical Service GENERAL WARNING All wiring must conform to local, state and national codes. VOLTAGE The maximum allowable voltage variation is ± 10% of the rated voltage on the ice machine m odel/seria l number nameplate at start-up (when the electrical load is highest).
Installation Instructions Section 2 2-6 Water Service/Drains WATER SUPPLY Local water conditions may require treatment of the water to inhibit scale formation, filter sediment, remove chlorine, and improve taste and clarity.
Section 2 Installation Instructions 2-7 WATER SUPPLY AND DRAIN LI NE SI ZING/CONNECTIONS CAUTION Plumbing must conform to state and local codes. Location Water Temperature Water Pressure Ice Machine Fitting Tubing Size Up to Ice Machine Fitting Ice Making Water Inlet 33 ° F ( 0.
Installation Instructions Section 2 2-8 Installation Checklist Is the ice machine level? Has all of the internal packing been rem oved? Have all of the electrical and water connections been made? Has .
Section 3 Ice Machine Operation 3-1 Ice Machine Operation Component Identification WAT ER P UM P COMPRESSOR COMPA RTMENT ACCESS SCREWS ON/OFF/WASH TOGGLE SWITCH CONDENSER AIR FILTER EVAPORATOR ICE DAM.
Ice Machine Operation Section 3 3-2 Ice Making Sequence of Operation INITIAL START-UP OR START-UP AFTER AUTOMATIC SHUT-OFF 1. Pressure Equalization Before the compressor starts the hot gas valve is energized for 15 seconds to equalize pressures during the initial refrigera tion system start-up.
Section 3 Ice Machine Operation 3-3 QM45 SELF-CONTAINED AIR COOLED MODELS ICE MAKING SEQUENCE OF OPERATION CONTROL BOARD R ELAYS RELAY 1 2 3 3A 3B * LENGTH WATER PUMP HOT GAS VALVE RELAY COIL COMPRESSOR CONDENSER FAN MOTOR of “ON” TIME INITIAL START-UP/or START UP AFTER AUTO SHUT - OFF: 1.
Ice Machine Operation Section 3 3-4 Operational Checks GENERAL Your Manitowoc ice machine was factory-operated and adjusted before shipment. Normally, a newly installed ice machine does not require any adjustment.
Section 3 Ice Machine Operation 3-5 ICE THICKNESS CHECK The ice thickness probe is factory -se t to maintain the ice bridge thickness at 1/8” (3.2 mm).
Ice Machine Operation Section 3 3-6 THIS PAGE INTENTIONALLY LEFT BLANK.
4-1 Section 4 Maintenance Section 4 Maintenance Interior Cleaning and Sanitizing GENERAL Clean and sanitize the ice machine every six m onths for efficient operation. If the ice machine requires more frequent cleaning a nd sanitizing, consult a qualified service com pany to test the water quality and recommend appropriate water treatment.
4-2 Maintenance Section 4 WARNING Disconnect electric power to th e ice machine at the electric switch box before proceed ing. Step 6: Remove parts for cleaning. A. Remove the Vinyl Hose • Disconnect the water hose from the distribution tube and water pump.
4-3 Section 4 Maintenance D. Remove the Water Distribution Tube Water Distribution Tube Removal • Loosen the two thumbscrews, which secure the distribution tube. • Lift the right side of th e distribution tube up off the locating pin, then slide it back and to the right.
4-4 Maintenance Section 4 F. Remove the Water Trough • Apply downward pressure on the siphon tube and remove from the bottom of the water trough. • Remove the upper thumbscrew. • While supporting the wa ter trough remove the two thumbscrews from beneath the water trough.
4-5 Section 4 Maintenance H. Remove the Bin Door • Grasp the rear of the bin door and pull bin door forward approximately 5”. • Slide bin door to the rear while applying upward pressure (The rear door pins will ride up into th e track slot and slide back ward to the stop tab ).
4-6 Maintenance Section 4 Step 12 Use 1/2 of the saniti zer/water solution to sanitize all foodzone surfaces of the ice machine and bin. Use a cloth or sponge to liberally apply the solution.
4-7 Section 4 Maintenance ICE MACHINE INSPECTION Check all water fittings and lines for leaks. Also, make sure the refrigerati on tubing is not rubbing or vibrating against other tubing, panels, etc. Do not put anything (boxes, etc.) in front of the ice machine.
4-8 Maintenance Section 4 REMOVAL FROM SERVICE WINTERIZATION Special precautions must be taken if the ice m achine is to be removed from se rvice for an extended period of time or exposed to ambient temperatures of 32 ° F (0 ° C) or below.
Section 5 Before Calling for Service 5-1 Section 5 Before Calling for Service Checklist If a problem arises during operation of your ice machine, follow the checklis t below before calling for service. Routine adjustments and maintenance pro cedures are not covered by the warranty.
Before Calling for Service Section 5 5-2 Problem Possible Cause To Correct Ice machine produces shallow or incomplete cubes, or the ice Ice thickn es s probe is out of adjustment. Adjust the ice thickn ess probe. See page 3-5. fill pattern on t he evaporator is incomplete.
5-3 Before Calling for Service Section 5 SAFETY LIMITS General In addition to standard safety controls, the control board has two built in safety lim it controls which protect the ice machine from m ajor component failures. Safety Limit #1: If the freeze time reaches 60 minutes, the control board autom atically initiates a harvest cycle.
5-4 Before Calling for Service Section 5 Safety Limit #1 Freeze time exceeds 60 minutes for 3 consecutive freeze cycles. Possible Cause Check/Correct Improper installation • See “Inst allation Instructions” Section two of this manual Water system • Low water pressure ( 20 psi minimum.
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MANITOWOC ICE, INC. Web Site - www.manitowocice. com © 2006 Manitowoc Ice, Inc..
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Manitowoc QM45 Series è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Manitowoc QM45 Series - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Manitowoc QM45 Series imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Manitowoc QM45 Series ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Manitowoc QM45 Series, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Manitowoc QM45 Series.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Manitowoc QM45 Series. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Manitowoc QM45 Series insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
