COFFEtek NEVA 4 Technical Manual
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COFFEtek NEVA 4 Technical Manual

Beverage machine
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NEVA 4
BEVERAGE MACHINE
TECHNICAL MANUAL

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Summary of Contents for COFFEtek NEVA 4

  • Page 1 NEVA 4 BEVERAGE MACHINE TECHNICAL MANUAL...

  • Page 2: Table Of Contents

    COFFEtek LTD NEVA 4 BEVERAGE MACHINE TECHNICAL MANUAL CONTENTS FOREWORD............................. 4 SECTION 1 TECHNICAL INFORMATION ..................6 INTRODUCTION ..............................6 SPECIFICATIONS .............................7 SERVICES REQUIRED .............................7 Electrical Supply.............................7 Water Supply..............................7 GENERAL DESCRIPTION ..........................8 Cabinet Front..............................8 Cabinet Interior...............................8 Water System..............................8 ELECTRICAL AND ELECTRONIC SYSTEM....................10 Functional Description..........................10...
  • Page 3 COFFEtek LTD This page is intentionally blank. 22/02/08 Issue 1 NEVA 4...

  • Page 4: Foreword

    The Manufacturer reserves the right to make changes, without notice, to the design of the beverage machine, which may affect the information contained in this manual. The Neva 4 Beverage Machine is designed for indoor use, in an environment with an ambient temperature range of between 0°C and 40°C.
  • Page 5 COFFEtek LTD This page is intentionally blank. 22/02/08 Issue 1 NEVA 4...

  • Page 6: Section 1 Technical Information

    Te c h n i c a l I n f o r m a t i o n INTRODUCTION The Neva 4 Beverage Machine dispenses hot beverages in response to a simple keypad selection. All beverages are dispensed in cup measures. All operations are microprocessor controlled.

  • Page 7: Specifications

    15mm dia. water mains supply, terminating at a convenient stop tap located within 1m of the beverage machine. Water Pressure Minimum: 1 bar Maximum: 8 bar A 15mm double backcheck valve with inspection port should be fitted prior to the flexible hose. 22/02/08 Issue 1 NEVA 4...

  • Page 8: General Description

    COFFEtek LTD GENERAL DESCRIPTION The Neva 4 Beverage Machine is a free-standing unit which may be mounted on a secure table, bench, cabinet or food and drink counter. Cabinet Front The cabinet front door has a large picture panel area and located within this area are 8 pushbuttons, which have removable front covers to enable fitting of individual selection labels.
  • Page 9 VALVES INLET VALVE OVERTEMP CUTOUT 1 BOILER OVERTEMP CUTOUT 2 6kW ONLY OVERFLOW MIXERS FIG 1.2 WATER SYSTEM – FUNCTIONAL DIAGRAM 22/02/08 Issue 1 NEVA 4...

  • Page 10: Electrical And Electronic System

    Controller’s microprocessor circuit to the current drive necessary to operate output devices, i.e. motors, whippers and inlet valve. PUSHBUTTONS WATER LEVEL MOTORS / FAN CONTROLLER TEMP SENSOR VALVES BOARD HEATER SSR'S KEYPAD DISPLAY FIG 1.3 ELECTRICAL & ELECTRONIC SYSTEM – FUNCTIONAL DIAGRAM. NEVA 4 Issue 1 22/02/08...

  • Page 11: Circuit Description

    MPU Controller to operate the relevant output devices in the correct sequence and for the specified duration. User data information is then sent in parallel form to the front panel (LCD) display. 22/02/08 Issue 1 NEVA 4...
  • Page 12 COFFEtek LTD NEVA 4 Issue 1 22/02/08...

  • Page 14: Section 2 Programming

    P r o g r a m m i n g INTRODUCTION The Neva 4 Beverage Machine provides two discrete user programs: The Operator’s Program and the Engineer’s Program. The Operator’s Program is available to both the Operator and the Service Engineer, but the Engineer’s Program is only available to the Service Engineer.

  • Page 15: Internal Keypad Layout

    • ARROWS UP ( ), DOWN ( ), LEFT ( ), RIGHT ( ) are used for adjustments when in program mode; • key is used for selecting option when in output test mode. 22/02/08 Issue 1 NEVA 4...

  • Page 16: Operators Program

    To enable vends, enter the Operator’s Program and press ENABLE VEND. NGREDIENT OUNTERS Access the VIEW INGREDIENT COUNTERS option by using PROG key. Press ENTER to display the first counter, then press to scroll through the others. NEVA 4 Issue 1 22/02/08...

  • Page 17: Engineers Program

    Repeated pressing of PROG key causes the program to scroll through the options in the above sequence. Therefore a specific option is accessed by pressing PROG key until that option is displayed. To access any program press ENTER. 22/02/08 Issue 1 NEVA 4...
  • Page 18 The software allows for three dispense heads 0, 1 & 2. Only one drink assigned to each nozzle will be allowed at any time. As the Neva 4 only has 1 nozzle, all drinks should be programmed to use Nozzle 0.
  • Page 19 Press ENTER to accept the new value. Press to step through program to adjust other value or press ESC to return to SELECT DRINK TO MODIFY, then press ESC again to return to normal operating mode. 22/02/08 Issue 1 NEVA 4...
  • Page 20 To set PRICE 1, press ENTER, otherwise press and the display will show: DRINK A PRICE 2 To set PRICE 2, press ENTER, otherwise press and the display will show: DRINK A INHIBITED To set DRINK A INHIBITED, press ENTER. NEVA 4 Issue 1 22/02/08...
  • Page 21 Press PROG to exit from the TANK STATUS option and access the next Engineer's Program option. NITIALISE The INITIALISE option allows the engineer to initialise the machine. Press ENTER. The display will show: ARE YOU SURE? ENTER (Y) ESC (N) 22/02/08 Issue 1 NEVA 4...
  • Page 22 CREDIT DEVICE Selects cash system: 0 = No cash system* 1 = Digicard system 2 = Reserved for future use 3 = G13 coin acceptor No cash system (0) is the default setting following INITIALISE. NEVA 4 Issue 1 22/02/08...
  • Page 23 Press PROG to exit from the PRESS DRINK FOR FIXED COUNTERS option and access the next Engineer's Program option. Press ENTER. Display will show NAME FOR BIN A (Right Hand Canister) Press ENTER. Display will show 22/02/08 Issue 1 NEVA 4...
  • Page 24 Press ENTER to list default factory settings for; CAFE PRO 548 VER1 CAFE PRO 540 JUG Press ENTER to reset MPU to required settings. Now program the machine to correct defaults and save to High Memory Bank. NEVA 4 Issue 1 22/02/08...
  • Page 25 COFFEtek LTD This page is intentionally blank. 22/02/08 Issue 1 NEVA 4...

  • Page 26: Section 3 Installation And Maintenance

    INTRODUCTION The information given in this Section covers installation, commissioning and maintenance procedures for the Neva 4 Beverage Machine. These procedures must be carried out by authorised personnel who are fully conversant with the equipment, using only manufacturer's approved parts.

  • Page 27: Safety Warnings

    Care must be taken to protect the beverage machine from frost. Do not attempt to operate the machine if it becomes frozen. Contact the nearest service agent immediately. Do not restore the machine to operational use until it has been checked and approved for use by the service agent. 22/02/08 Issue 1 NEVA 4...

  • Page 28: Location

    The unit must be mounted within 10º of the vertical for safe operation. Securing The Neva 4 Beverage Machine is a free-standing unit which can be mounted on a secure table, bench, cabinet or food and drink counter. NEVA 4...

  • Page 29: Connecting The Water Services

    Connect the machine hose to the mains outlet using the seals supplied and ensure that all fittings are tight. Turn on the water supply at the stopcock and check for leaks, both behind and inside the machine. 22/02/08 Issue 1 NEVA 4...

  • Page 30: Connecting The Electrical Services

    PSU to the 110V position and replace the 240V 3kW element (part no. 12345) with a 110V 1.6kW element (part no. 56223). Preferably, the isolator switch should be located behind the machine to prevent accidental damage or misuse. NEVA 4 Issue 1 22/02/08...

  • Page 31: Descaling The Tank

    Restore the electrical supply to the machine and carry out a test of the quality of each beverage before returning the machine to operational use. 22/02/08 Issue 1 NEVA 4...

  • Page 32: Commissioning

    Select the Engineer's Program and run through the Output Test to check that all components are functioning correctly. (10) Fill the ingredient canisters. (11) Check the complete range of machine operations. (12) If required, select the Engineer's Program and change the pre-set values to suit NEVA 4 Issue 1 22/02/08...
  • Page 33 (17) Restore the electrical supply to the machine. (18) Set the On/Off switch on the machine to ON. (19) Operate the machine through the complete range of dispense operations and check that each one is correct. 22/02/08 Issue 1 NEVA 4...

  • Page 34: Fault Finding Guide

    Machine inoperable; Power Supply failure Replace Power Supply no display Board Check water pressure Heater tank Low water pressure not filling Check inlet valve Inlet valve fault Replace MPU Board MPU Board fault NEVA 4 Issue 1 22/02/08...
  • Page 35 Check seals Overflow pipe incorrectly Refit overflow pipe fitted Display connector loose No display Refit connector Thermal cut-out tripped TEMP LOW Reset cut-out displayed Heater fuse blown Check fuse Incorrect temperature setting Check program setting 22/02/08 Issue 1 NEVA 4...

  • Page 36: Section 4 Exploded Parts Diagram

    COFFEtek LTD S e c t i o n 4 E x p l o d e d P a r ts D i a g r a m NEVA 4 Issue 1 22/02/08...
  • Page 37 COFFEtek LTD NEVA 4 Issue 1 22/02/08...
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  • Page 39 COFFEtek LTD NEVA 4 Issue 1 22/02/08...
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