Table of Contents
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4
TECHNICAL SERVICE MANUAL
MODELS:
ALFA – GALA – DELTA – SUPER STAR
NDP
NG DP 30
NG DP 35
NG DP 45
NG DP 60
NG DP 80
NG DP 110
NG DP 150
NG MDP 150 (MODULAR)
CAREFULLY READ THE INSTRUCTIONS CONTAINED IN THIS MANUAL SINCE THEY
PROVIDE IMPORTANT INFORMATION RELATIVE TO SAFETY DURING INSTALLATION,
USE, AND MAINTENANCE.
THIS APPLIANCE SHOULD BE INSTALLED BY APPROVED TECHNICAL SERVICE
PERSONNEL.
TECHNICAL SERVICE MANUAL
NG DP
20
NG DP
1
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Related Manuals for ITV ICE MAKERS ALFA
Summary of Contents for ITV ICE MAKERS ALFA
- Page 1 NG DP TECHNICAL SERVICE MANUAL TECHNICAL SERVICE MANUAL NG DP MODELS: ALFA – GALA – DELTA – SUPER STAR NG DP 30 NG DP 35 NG DP 45 NG DP 60 NG DP 80 NG DP 110 NG DP 150...
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Page 2: Table Of Contents
NG DP TECHNICAL SERVICE MANUAL TABLE OF CONTENTS INTRODUCTION ............................... 3 1.1. Warnings ..............................3 Descripción ..............................4 1.2. 1.3. Operating principle ............................ 4 1.4. Wiring diagrams ............................6 SPECIFICATIONS ............................. 8 2.1. Production Tables ............................ 11 DELIVERY AND UNPACKING ........................15 INSTALLATION ............................... -
Page 3: Introduction
NG DP TECHNICAL SERVICE MANUAL 1. INTRODUCTION Thank you for choosing ITV's NG DP Ice Cube Maker. You have purchased one of the most reliable ice-making products on the market today. Carefully read the instructions contained in this manual since they provide important information relative to safety during installation, use, and maintenance. -
Page 4: Descripción
High pressure safety pressostats even in air-cooled machine. Large condensers (work well at high ambient temperatures; and reduce cooling water consumption in water-cooled machines). TRANSPARENT CUBES with most of the water mains. ALFA CUBE GALA CUBE DELTA CUBE SUPER STAR CUBE 1.3. Operating principle WHEN SWITCHING ON THE MACHINE FOR THE FIRST TIME, THE MACHINE SHOULD BE PLACED ON THE DEFROSTING STAGE. - Page 5 NG DP TECHNICAL SERVICE MANUAL Once the defrosting stage is over, the cycle begins again, and so it continues until the bin is full of ice, and contact between the bin thermostat situated at the top of the bin and the ice will stop the machine.
- Page 6 NG DP TECHNICAL SERVICE MANUAL Via terminal 2 on micro G2, current reaches the pump. Circuit 4 on micro G2 which provides current to the hot gas valve (Q) and water inlet valve (P) will be interrupted. Since the thermostat is between 1 and 3 the timer will receive no current.
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Page 7: Wiring Diagrams
NG DP TECHNICAL SERVICE MANUAL 1.4. Wiring diagrams... -
Page 8: Specifications
NG DP TECHNICAL SERVICE MANUAL 2. SPECIFICATIONS NDP 20 NG DP 30 - 150... - Page 9 NG DP TECHNICAL SERVICE MANUAL NG MDP 150 MODEL CONSUMP. CONSUMP. CONSUMP. DIMENSIONS DIMENSIONS GROSS VOLUME WATER TOTAL WATER WEIGHT MACHINE PACKAGING WEIGHT COND.. WATER L/HOUR (1) L/HOUR (1) PROD. L/HOUR (1) (KG) X*Y*Z (KG) NDP 20 A 350x474x592 420x540x725 0.20 23.1 350x474x592...
- Page 10 NG DP TECHNICAL SERVICE MANUAL MODEL HIGH PRESSURE TOTAL FUSE POWER POWER INTENST. PRESSURE AMPS SECURITY COMPRESSOR INSTALL) MIN. MAX. AVERAGE NDP 20 NDP 20 NG 30 A NG 30 NG 35 A NG 35 NG 45 A NG 45 NG DP 15´5 bar 18 bar...
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Page 11: Production Tables
NG DP TECHNICAL SERVICE MANUAL 2.1. Production Tables NDP 20 Tw/Ta NG 30 Tw/Ta... - Page 12 NG DP TECHNICAL SERVICE MANUAL NG 35 Tw/Ta NG 45 Tw/Ta...
- Page 13 NG DP TECHNICAL SERVICE MANUAL NG 60 Tw/Ta NG 80 Tw/Ta...
- Page 14 NG DP TECHNICAL SERVICE MANUAL NG 110 Tw/Ta NG 150 Tw/Ta...
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Page 15: Delivery And Unpacking
NG DP TECHNICAL SERVICE MANUAL 3. DELIVERY AND UNPACKING Upon receipt, thoroughly inspect the packing container. If there appears to be damage to the container contact the shipper immediately. Unpack unit in the presence of delivery personnel noting any damage on the waybill. ITV packing bears the “Green Point”... -
Page 16: Installation
NG DP TECHNICAL SERVICE MANUAL 4. INSTALLATION 4.1. Recommended Placement of Unit IMPORTANT! The NG machines are intended to work at room temperature between 5ºC and 43ºC and with water temperature between 5ºC and 35ºC. Difficulties during harvest cycle can appear below these minimum temperatures. Above the maximum temperatures the life of the compressor becomes shorter and the production decreases considerably. -
Page 17: Water And Drainage
NG DP TECHNICAL SERVICE MANUAL The floor on which the machine will be place should be solid and as leveled as possible. 4.2. Water and Drainage Connecting Unit To Water Source • Use 1.3 m. flexible tube (with the two filters attached) provided. NOTE: We advise using a single faucet fixture. -
Page 18: Operation
NG DP TECHNICAL SERVICE MANUAL 5. OPERATION 5.1. Preliminary Checks a) Is machine levelled? b) Are voltage and frequency of mains supply the same as indicated on rating plate? c) Is drainage system working properly? d) Is air circulation and room temperature adequate? (Air-cooled models) MAXIMUM MINIMUM AMBIENT... -
Page 19: Adjustments
NG DP TECHNICAL SERVICE MANUAL 5) Check that the water curtain moves freely. 6) Verify that the nozzles send water to the evaporator in the correct direction (uniform fans). 7) After 10 minutes, check that the water bin has no leaks on the maximum level overflow. IMPORTANT! ADVISE THE FINAL USER ON MAINTENANCE PROCEDURES WHICH ARE NOT INCLUDED IN WARRANTY, AS WELL AS THOSE BREAKDOWNS CAUSED BY NEGLECT... - Page 20 NG DP TECHNICAL SERVICE MANUAL Safety pressure switch This safety device trips when discharge pressure is too high. Pressure might exceed the limit when: Air circulation is not sufficient, room temperature is too high or condenser is dirty (air cooled models). There is not enough water in the system or water temperature too high in water cooled models.
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Page 21: Maintenance And Cleaning Instructions
NG DP TECHNICAL SERVICE MANUAL 7. MAINTENANCE AND CLEANING INSTRUCTIONS IMPORTANT! **Maintenance and cleaning procedures as well as problems derived from failing to carry them out are not covered by the warranty. Proper maintenance is essential to obtain favorable ice quality and optimum functioning of unit. Frequency depends on water quality and characteristics of room where unit is installed. -
Page 22: Maintenance And Cleaning Procedures
NG DP TECHNICAL SERVICE MANUAL 8. MAINTENANCE AND CLEANING PROCEDURES WARNING: Unit should always disconnected during maintenance/cleaning procedures. 8.1. Water condenser 1) Disconnect machine. 2) Close water faucet. 3) Disconnect water entry/exit from condenser. 4) Prepare a solution of 50% phosphoric acid in distilled water. 5) Distribute solution through condenser. -
Page 23: Cleaning The Ice Bin
NG DP TECHNICAL SERVICE MANUAL machines provided with discharge valve should be activated manually). 7) Refill the water tray to the maximum level with the same solution. Connect the machine (close faucet) and wait 20 minutes. 8) Open faucet, put the timer forward up to the harvest cycle and once the ice has fallen disconnect the machine and put the timer in defrosting position. -
Page 24: Spray Nozzles And Connecting Pipes
NG DP TECHNICAL SERVICE MANUAL 8.6. Spray nozzles and connecting pipes 1) Remove the curtain (it can be cleaned with vinegar or phosphoric acid, rinse, clean with lye, rinse) 2) Remove the metal grill and clean likewise. 3) PULL UPWARDS THE CONNECTING PIPE. IT HAS BEEN ASSEMBLED BY PRESSING IT INTO PLACE. -
Page 25: Special Advice Concerning R-404 Refrigerant
NG DP TECHNICAL SERVICE MANUAL 9. SPECIAL ADVICE CONCERNING R-404A REFRIGERANT R-404A is a mixture of 3 liquid-phase gases. On evaporating, the 3 component gases separate Always use the liquid phase valve (at the end of condenser or accumulator) for refills and purges. -
Page 26: Troubleshooting
NG DP TECHNICAL SERVICE MANUAL 10. TROUBLESHOOTING PROBLEM POSSIBLE CAUSES SOLUTION 1) None of the electrics work. A) The machine is not plugged in. A) Plug the machine. B) The line fuse has blown. B) Replace fuse. current line wrongly C) Check connections. - Page 27 NG DP TECHNICAL SERVICE MANUAL Ice cubes form correctly but do A) Faulty hot gas valve or wrongly A) Verify and change if necessary. not unstick. connected. B) Low water pressure. B) Increase water pressure if possible. (This can often be done by removing flowmeter on faucet).
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