Merrychef Mealstream Service Manual
  1. Manuals
  2. Brands
  3. Merrychef Manuals
  4. Microwave Oven
  5. Mealstream
  6. Service manual
Merrychef Mealstream Service Manual

Merrychef Mealstream Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
M e a ls t r e a m
S E R V I C E
M A N U A L
For all Mealstream models manufactured from January 2001
Part No. 32Z3387e Issue No. 2
CAUTION MICROWAVE EMISSIONS
DO NOT BECOME EXPOSED TO EMISSIONS FROM THE MICROWAVE
GENERATOR OR PARTS CONDUCTING MICROWAVE ENERGY
Mealstream Ovens 32Z3387 Issue 2
Page 1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Mealstream and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Merrychef Mealstream

Summary of Contents for Merrychef Mealstream

  • Page 1 M e a ls t r e a m S E R V I C E M A N U A L For all Mealstream models manufactured from January 2001 Part No. 32Z3387e Issue No. 2 CAUTION MICROWAVE EMISSIONS DO NOT BECOME EXPOSED TO EMISSIONS FROM THE MICROWAVE...

  • Page 2: Table Of Contents

    Manual corrections and modifications ......... 25 Merrychef Limited, Station Road West, Ash Vale, Aldershot Hampshire GU12 5XA United Kingdom Tel: +44 (0)1252 371000 Fax: +44 (0)1252 371007 Internet address: http://www.merrychef.co.uk E-mail: sales@merrychef.co.uk or service@merrychef.co.uk Mealstream Ovens 32Z3387 Issue 2 Page 2...

  • Page 3: Safety Code

    SAFETY CODE This manual is designed to assist engineers who have been on a recognised product familiarisation and training course run by Merrychef Limited. It has been prepared to offer technical guidance for the Merrychef Mealstream range of Combination Microwave Ovens.

  • Page 4: Product Specifications

    304 Stainless Steel Casework Settings Microwave 100%,75%,50%,25%, Convection only Temperature Off, 150°, 175°, 200°, 225°, 250°C Timer Up to 30 minutes Up to 3 cooking stages of up to 30 minutes each Programmed (Series 5) Mealstream Ovens 32Z3387 Issue 2 Page 4...

  • Page 5: Installation Instructions

    Installation Instructions for Mealstream Combination Ovens Power Supply Requirements The Mealstream Series should be connected to a suitable electricity supply, which can cope with the switching-on surge that occurs with certain types of catering equipment, such as microwaves. Because of this requirement, we strongly recommend that a separate, suitably rated supply is installed for the oven.

  • Page 6: Error Codes And Diagnostics

    Error Codes and Diagnostics The Mealstream Series 5 will identify some of the most common problems by flashing an error message code in the time display window. These are the error messages, and suggestions for repairing them. Door not fully shut.

  • Page 7: Main Features

    - Main Features: Mealstream Ovens a On/Off SWITCH f HOT AIR FAN This is used to turn the oven On or Off. Situated behind the baffle plate, and circulates the hot air through the baffle plate, over the IT DOES NOT ISOLATE INTERNAL WIRING heating element, and around the edge of the FROM THE MAINS SUPPLY.

  • Page 8: Electronic Controls

    Electronic controls: Mealstream Series 5 Stage LED's Program & Time Display Service Indicator Air Filter Block Indicator Convection Pad Power Pads Time / Precept Pads Temperature Set Pads Cancel / Callback Pad Program Pad Mealstream Ovens 32Z3387 Issue 2 Page 8...

  • Page 9: Manual Controls

    Manual controls: Mealstream CD2 TEMP °C POWER % TIME START FKHI merry Mealstream CD Power Neon ( Amber ) Control Knob Start Push button Cook cycle Neon ( Red ) Heater Neon ( Amber ) Mealstream Ovens 32Z3387 Issue 2 Page 9...
  • Page 10 °C; is the initial temperature of the water, in °C; is the final temperature of the water, in °C; is the heating time in seconds, excluding the magnetron filament heat-up time. Mealstream Ovens 32Z3387 Issue 2 Page 10...

  • Page 11: C - Power Transformer Test

    Primary winding and chassis Pass if over 10 MΩ Filament winding and chassis Pass if over 10 MΩ One end of the High Voltage winding is connected to the chassis, so this is not tested. Mealstream Ovens 32Z3387 Issue 2 Page 11...

  • Page 12: D - High Voltage Capacitor Test

    2 Ensure that the High Voltage Capacitor is discharged before commencing work. 3 Remove all connections from the High Voltage Rectifier. Open Circuit both ways FAIL Conducts one way only PASS Short Circuit both ways FAIL Conducts one way, leaks the other FAIL Mealstream Ovens 32Z3387 Issue 2 Page 12...

  • Page 13: Principal Components ( Not Shown In Main Views )

    Microswitch ( Primary ) 30Z0240 30Z0240 Door hinge assembly ( LH )* 11C0167 11C0167 Door arm assembly 11C0300 11C0300 Microswitch ( Monitor ) 30Z0240 30Z0240 Rubber stop 31Z1150 31Z1150 Mealstream Ovens 32Z3387 Issue 2 Page 13 * See page 16 for parts...
  • Page 14 Microswitch ( Secondary ) 30Z0240 30Z0240 Door arm stop assembly 11C0279 11C0279 Door spring 520000 520000 Steam pipe 790046 790046 Steam vent guard 790061 790061 Temperature sensor 50E123 50E123 *See page 16 for parts Mealstream Ovens 32Z3387 Issue 2 Page 14...

  • Page 15: Series 5 Cd²

    HT diode 30Z0246 31Z0246 Capacitor 1.1 µf 30Z0861 30Z0861 Transformer 30Z0992 30Z0992 310110 310110 Twin blower motor 314402 314402 25mm OD Flexible conduit 314401 314401 20mm OD Flexible conduit Capacitor clip 31Z0175 31Z0175 Mealstream Ovens 32Z3387 Issue 2 Page 15...
  • Page 16 Door, roof & heater element Description Stirrer glass 40C0954 40C0954 Heater element 40C0949 40C0948 Element cover plate 790047 790047 Baffle ( 2 No. ) 11C0311 11C0311 Door seal kit 11C0261 11C0261 790007 790007 Door choke Mealstream Ovens 32Z3387 Issue 2 Page 16...
  • Page 17 Left Hand Assembly 11C0167 790027 Roller 40C0752 Bolt 101825 80X7003 LH Hinge bracket 790024 RH Hinge bracket ( 790025 not shown) Description All models Hot air motor 11C0161 Description All models Stirrer motor assembly 11C0162 Mealstream Ovens 32Z3387 Issue 2 Page 17...
  • Page 18 INPUT WIRING DETAILS Green/Yellow Blue Brown Description SERIES 5 CD² Mains Terminal Block 31Z0149 31Z0149 Cable Gland 31Z1070 31Z1070 Gland Nut 31Z1082 31Z1082 Mains Cable 3 Core 31Z0148 31Z0148 Mealstream Ovens 32Z3387 Issue 2 Page 18...

  • Page 19: Interlock Operation

    Door Interlock Operation The door on the Mealstream oven is monitored by three microswitches. These are used in the conventional “Primary, Secondary and Monitor” switch arrangement shown below. The switches operate as follows: Door Interlock Arrangement Secondary switch Primary switch...

  • Page 20: Electronic Control Panel Assembly

    Electronic Control Panel Assembly: Mealstream Series 5 Description Series 5 On/Off Switch 30Z0503 Control Panel Assembly 11C0294 Logic Board 11C0213 Relay Board 11C0212 AC Ribbon connector 11M0116 DC Ribbon connector 11M0117 Mealstream Ovens 32Z3387 Issue 2 Page 20...

  • Page 21: Pcb Assembly

    Manual Control Panel Assembly: Mealstream CD² Description Series 5 PCB Assembly 11C0295 ac voltage connector 6 way 11M0116 dc voltage connector 10 way 11M0117 Red Neon 316030 Timer 30Z0991 Potentiometer 5k 40C0892 Amber Neon 316031 On /off switch 30Z0503 Panel assembly...

  • Page 22: Membrane Panel Circuit

    3. Unplug the membrane “tail” from the Logic PCB Assy. 4. Using a D.M.M., check for continuity between the correct terminals when the pads are pressed. 5. When the panel has been tested, re-assemble and re-test the control housing. Mealstream Ovens 32Z3387 Issue 2 Page 22...
  • Page 23 Part Number Identification Chart: Mealstream series ovens SERIES 5 CD² Description Part No Page No Part No Page No Fuse holder 30Z0231 30Z0231 Fuse 10 amp 30Z0168 30Z0168 Fuse holder 30Z0231 30Z0231 Fuse 10 amp 30Z0168 30Z0168 Fuse holder 30Z0285...
  • Page 24 Part Number Identification Chart: Mealstream series ovens SERIES 5 CD² Description Part No Page No Part No Page No On/Off Switch 30Z0503 Control Panel Assembly 11C0294 ——— ——— Logic Board 11C0213 ——— ——— Relay Board 11C0212 ——— ——— AC Ribbon connector 11M0116 ———...
  • Page 25 CIRCUIT DIAGRAM: Series 5 Part 1 Mealstream Ovens 32Z3387 Issue 2 Page 25...
  • Page 26 CIRCUIT DIAGRAM: Series 5 Part 2 Mealstream Ovens 32Z3387 Issue 2 Page 26...
  • Page 27 CIRCUIT DIAGRAM: CD2 Part 1 Mealstream Ovens 32Z3387 Issue 2 Page 27...
  • Page 28 CIRCUIT DIAGRAM: CD2 Part 2 Mealstream Ovens 32Z3387 Issue 2 Page 28...
  • Page 29 US circuit diagram Mealstream Ovens 32Z3387 Issue 2 Page 29...

  • Page 30: Manual Corrections And Modifications

    Name Address Page on which error occurs (if applicable) - Mealstream Description of error Suggestion for improvement to manual Please return this form to:...

Table of Contents