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Nemco 6220-17 User Manual

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Convection
Ovens
6220-17
6220-28
6230
Model #s: 6220-17,
6220-28, 6225-17,
6225-28, 6230, 6235
6225-17
6225-28
6235

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Summary of Contents for Nemco 6220-17

  • Page 1 Model #s: 6220-17, 6220-28, 6225-17, Convection 6225-28, 6230, 6235 Ovens 6225-17 6220-17 6225-28 6220-28 6235 6230...

  • Page 2: Table Of Contents

    CONTENTS TECHENICAL DATA Page. 3 INTRODUCTION Page. 11 Identifying the danger or warning signals Purpose of the product INSTALLATION Page. 11 Installation requirements Transport Unpacking Installing the feet Placement Electrical connection Water connection Water drain Conditioning the appliance OPERATION INSTRUCTIONS Page.
  • Page 3 6220-17, 6220-28 Technical Data CAPACITY  (3) 18 in x 13 in / 460mm x 330mm half size pans STANDARD EQUIPMENT  (2) 3-level side supports, 2.92 in (74 mm) step FUNCTIONAL FEATURES  200°F to 500°F temperature range  Cooking timer up to 2 hours or run on infinite for continuous heat ...
  • Page 4 6220-17, 6220-28 Overall Dimensions Front View Side View Water Inlet Steam Exhaust Pipe Power Cord Strain Relief Side View Rear View Door Open STEAM EXHAUST PIPE POWER CORD STRAIN RELIEF...
  • Page 5 6230 Technical Data CAPACITY  (3) 18 in x 13 in / 460mm x 330mm half size pan STANDARD EQUIPMENT  (2) 3-level side supports, 2.92 in (74 mm) step FUNCTIONAL FEATURES  200°F to 500°F temperature range  Cooking timer up to 2 hours or run on infinite for continuous heat ...
  • Page 6 6230 Overall Dimensions Side View Front View Rear View Side View Door Open STEAM EXHAUST PIPE POWE CORD STRAIN RELIEF...
  • Page 7 6225-17, 6225-28 Technical Data CAPACITY  (4) 18 in x 13in / 460mm x 330mm half size pan STANDARD EQUIPMENT  4-level side supports, 2.92 in (74 mm) step. FUNCTIONAL FEATURES  200°F to 500°F temperature range  Cooking timer up to 2 hours or run on infinite for continuous heat ...
  • Page 8 6225-17, 6225-28 Overall Dimensions Front View Side View Side View Rear View Door Open STEAM EXHAUST PIPE POWER CORD STRAIN RELIEF...
  • Page 9 6235 Technical Data CAPACITY  (4) 18 in x 13 in / 460mm x 330mm half size pan STANDARD EQUIPMENT  (2) 4-level side supports, 2.92 in (74 mm) step FUNCTIONAL FEATURES  200°F to 500°F temperature range  Cooking timer up to 2 hours or run on infinite for continuous heat ...
  • Page 10 6235 Overall Dimensions Side View Front View Side View Rear View Door Open SOFTENED WATER INLET (THREADED ELECTROVALVE 3/4") STEAM EXHAUST PIPE POWER CORD STRAIN RELIEF...

  • Page 11: Introduction

    INTRODUCTION Carefully read this user manual before using your new oven; pay special attention to the information highlighted with the WARNING, CAUTION, and NOTES symbols Identifying the danger or warning signals: WARNING This signal indicates the presence of danger, which may cause serious injury, death, or damage if disregarded.

  • Page 12: Installing The Feet

    Installation of the feet WARNING Risk of fire. This appliance has been designed to operate with specific feet. Do not use the appliance without installing the feet first. Using the appliance without feet may cause fire due to overheating. If the feet are not installed on the appliance, they are inside the cooking chamber and must be screwed into the four threaded holes on the underside of the oven.

  • Page 13: Electrical Connection

    Electrical Connection NOTES  Before making the connections, make sure that the voltage and frequency of the power supply system match the specifications of the "technical data" plate affixed to the appliance.  The appliance must be connected to a suitable electrical system following the connection data located on the sides of the machine.

  • Page 14: Water Connection

    Water Connection The appliance MUST be hooked up to a softened water supply that meets the water specifications below. It is necessary to use a softener, filter system, and/or reverse osmosis system to achieve this water purity and limit the formation of lime scale inside the cooking chamber. The water pressure must range between 14.5psi (100 kPa) and 29 psi (200 kPa).

  • Page 15: Operation Instructions

    OPERATION INSTRUCTIONS Control panels Indicating lights Program indicating light Heat indicating light Automatic humidifier indicating light (for ovens with this option) Program indicating light It indicates that the oven is working and that cooking time may be active. Heat indicating light Switches off each time the set temperature is reached in the cooking chamber.

  • Page 16: General Cooking Information

    Cooking temperature setting Turn the Thermostat Knob (Fig. 2) to the desired cooking temperature. Humidity/steam amount setting - Turn the Automatic Humidifier Knob (Fig. 3) to the desired humidity level (from 1 to 5). 1 being minimum humidity and 5 being maximum. By turning the knob to “5” automatic humidifier control is disabled and steam is generated continuously.
  • Page 17 Defrosting and then the thermostat knob to “off”. Turn the function selector knob to the symbol Cooking suggestions Convection cooking Heat is transmitted to food through pre-heated air, which is forcefully circulated in the cooking chamber. The heat reaches every part of the chamber evenly and quickly, to simultaneously cook different types of food arranged on several shelves (as long as their cooking temperature is the same), without mixing flavor and smells.

  • Page 18: Cleaning And Maintenance

    CLEANING AND MAINTENANCE WARNING Risk of electrocution. Disconnect the appliance's power supply before performing cleaning and maintenance operations. CAUTION The oven is not waterproof. Do not submerge in water, spray with water jets, or steam to clean the inside or outside of the oven. NOTES ...

  • Page 19: Side Supports

    Side supports 1) Loosen the (2) hex head bolts (turn counter-clockwise) that fasten the side support to the cooking chamber. 2) Pull the side supports towards the door to remove them from the air cover panel. 3) Remove the side supports from inside the oven and clean them with a mild detergent and hot water, using a soft bristle brush.

  • Page 20: Air Cover

    Air cover 1) Remove the side supports from the cooking chamber, following the “Side Supports“ instructions provided. 2) Remove the (4) screws that fasten the air cover to the cooking chamber. 3) Remove the air cover from inside the oven and clean it with a mild detergent and hot water, using a soft bristle brush.
  • Page 21 Door gasket - cleaning 1) Remove the gasket by pulling a small section until it is free from the guide. Continue pulling to fully remove the gasket. Please remember that the door gasket has a rigid profile with retainer fins (B). This profile must be pressed into the guide on the front of the cooking chamber.
  • Page 22 Internal door glass cleaning (For ovens with horizontal door handle & flap door) Before cleaning the inner door glass, let the door cool down completely. 1) Remove the upper and central screws on the door profiles, and partially loosen the lower screws on the door profiles.
  • Page 23 Internal door glass cleaning (For ovens with horizontal door handle & removable door glass) Before cleaning the inner door glass, let the door cool down completely. 1. Loosen the upper door profile screws. 2. Open the oven door, remove the inner glass by pulling slightly. 3.
  • Page 24 Door glass internal cleaning (For models with vertical door handle) Before cleaning the inner door glass, let the door cool down completely. 1) With the oven door closed, loosen the upper, central, and lower screws on the door profiles. 2) Use the handle to open the doors outer glass gently. 3) Clean the inner door glass with a mild detergent, warm water, and soft cloth.
  • Page 25 TROUBLESHOOTING Type of fault Cause of the fault Corrective action Incorrect connection to the power Check connection to the mains. mains. Voltage not present. Restore power supply voltage. The oven does not work Safety thermal device triggered. Contact a skilled technician. Excessive heat at motor winding.
  • Page 26 6220-17, 6220-28, 6225-17, 6220-28 – Wiring Diagram Power terminal board "End of cooking" programmer Safety thermostat Oven thermostat "End of cooking" indicator light Thermostat indicator light Oven lighting lamp Radial motoventilator Circular heating-element...
  • Page 27 6230 - Wiring Diagram Model GS1115 Power terminal board "End of cooking" programmer Safety thermostat Oven thermostat "End of cooking" indicator light Thermostat indicator light Door microswitch Contactor Oven lighting lamp Capacitors Radial motoventilator Direction reversing element Oven switch Circular heating-element Bottom heating-element Top heating-element Grill heating-element...
  • Page 28 6235 - Wiring Diagram Power terminal board "End of cooking" programmer Safety thermostat Oven thermostat "End of cooking" indicator light Thermostat indicator light Door microswitch Contactor Oven lighting lamp Capacitors Radial motoventilator Direction reversing element Solenoid-valve for humidifier Humidifier switch Circular heating-element...
  • Page 29 6220-17 EXPLODED DRAWINGS 10353 10333 10338 10337 10281 10301 10234 10340 10300 10303 10254 10307 10338 10239 10251 10316 10264 10341 10282 10248 10248...
  • Page 30 6220-17 EXPLODED DRAWINGS 10244 10354 10292 10350 10284 10279 10243 10287 10266 10252 10342 10302 10355 10342 10261 10293 10275 10362 10339 10252 10233 10277 10342 10305 10352 10355 10280 10363...
  • Page 31 6220-17 SPARE PARTS COMPONENT COMPONENT DESCRIPTION CODE KNOB TIME OR TEMP 10251 10252 DOOR HINGE BRACKET 10254 DOOR GLASS SPACER 10261 STRAIN RELIEF 10264 DOOR HANDLE 10266 EXHAUST PIPE 10362 SQUARE LIGHT ASSEMBLY 10275 WIRE BUSHING 10276 POWER CORD 2” LEGS...
  • Page 32 6220-28 EXPLODED DRAWINGS 10353 10333 10338 10337 10281 10234 10297 10340 10303 10296 10254 10307 10338 10239 10251 10316 10264 10341 10282 10311 10248...
  • Page 33 6220-28 EXPLODED DRAWINGS 10226 10292 10350 10248 10276 10237 10287 10266 10252 10342 10302 10355 10342 10261 10293 10275 10362 10339 10233 10252 10227 10305 10342 10355 10352 10363 10280...

  • Page 34: Internal Door Glass

    6220-28 SPARE PARTS COMPONENT COMPONENT DESCRIPTION CODE 10251 KNOB TIME OR TEMP 10252 DOOR HINGE BRACKET 10254 DOOR GLASS SPACER 10261 STRAIN RELIEF 10264 DOOR HANDLE 10266 EXHAUST PIPE 10362 SQAURE LIGHT ASSEMBLY 10275 WIRE BUSHING 10276 POWER CORD 2” LEGS 10280 10226 FAN MOTOR...
  • Page 35 6230 EXPLODED DRAWINGS 10347 10321 10320 10324 10277 10238 10297 10296 10303 10254 10320 10239 10242 10251 10250 10312 10264 10253 10245 10308...
  • Page 36 6230 EXPLODED DRAWINGS 10235 10359 10345 10276 10284 10237 10249 10287 10266 10285 10240 10252 10342 10255 10342 10299 10231 10355 10239 10236 10275 10263 10361 10319 10343 10305 10233 10252 10227 10295 10342 10355 10346 10325 10284 10271 10241 10363...
  • Page 37 6230 SPARE PARTS COMPONENT COMPONENT DESCRIPTION CODE 10249 AUTOREVERSE FAN BLADE 10250 MULTIFUNCTION KNOB 10251 KNOB TIME OR TEMP 10252 DOOR HINGE BRACKET 10253 DOOR HINGE 10254 DOOR GLASS SPACER 10255 ELEMENT SUPPORT PIVOT 10261 STRAIN RELIEF 10264 DOOR HANDLE 10266 EXHAUST PIPE 10361...
  • Page 38 6225-17 EXPLODED DRAWINGS 10333 10351 10332 10252 10286 10336 10315 10247 10252 10281 10254 10337 10358 10332 10234 10239 10300 10251 10253 10301 10310 10335 10264 10307...
  • Page 39 6225-17 EXPLODED DRAWINGS 10244 10354 10279 10350 10291 10284 10266 10243 10289 10228 10334 10342 10356 10342 10302 10275 10293 10261 10362 10305 10305 10233 10342 10356 10352 10280 10363...
  • Page 40 6225-17 SPARE PARTS COMPONENT COMPONENT DESCRIPTION CODE 10251 KNOB TIME OR TEMP 10252 DOOR HINGE BRACKET 10254 DOOR GLASS SPACER 10261 STRAIN RELIEF 10264 DOOR HANDLE 10266 EXHAUST PIPE 10362 SQUARE LIGHT ASSEMBLY 10275 WIRE BUSHING 10279 POWER CORD 2” LEGS 10280 10244 FAN MOTOR...
  • Page 41 6225-28 EXPLODED DRAWINGS 10333 10351 10332 10252 10286 10336 10315 10247 10252 10281 10254 10337 10358 10332 10234 10239 10296 10251 10253 10297 10310 10333 10264 10307...
  • Page 42 6225-28 EXPLODED DRAWINGS 10276 10226 10350 10291 10284 10266 10237 10289 10228 10334 10342 10356 10342 10302 10275 10293 10261 10362 10305 10305 10233 10342 10356 10352 10280 10363...
  • Page 43 6225-28 SPARE PARTS COMPONENT COMPONENT DESCRIPTION CODE 10251 KNOB TIME OR TEMP 10252 DOOR HINGE BRACKET 10254 DOOR GLASS SPACER 10261 STRAIN RELIEF 10264 DOOR HANDLE 10266 EXHAUST PIPE 10362 SQUARE LIGHT ASSEMBLY 10275 WIRE BUSHING 10276 POWER CORD 2” LEGS 10280 10226 FAN MOTOR...
  • Page 44 6235 EXPLODED DRAWINGS 10321 10349 10327 10328 10306 10330 10269 10234 10328 10331 10269 10278 10306 10297 10327 10259 10322 10296 10251 10314 10268 10318 10254 10251 10309 10246 10264...
  • Page 45 6235 EXPLODED DRAWINGS 10235 10345 10276 10284 10290 10237 10266 10317 10249 10289 10313 10229 10283 10329 10256 10342 10258 10357 10342 10298 10231 10265 10275 10299 10293 10361 10263 10305 10273 10236 10295 10305 10343 10233 10342 10357 10346 10271 10364...
  • Page 46 6235 SPARE PARTS COMPONENT COMPONENT DESCRIPTION CODE 10249 AUTOREVERSE FAN BLADE 10251 KNOB TIME OR TEMP 10254 DOOR GLASS SPACER 10256 PLASTIC PIPE CONNECTOR 10258 POLYETHYLENE WATER LINE 10259 STEAMER BUTTON 10261 STRAIN RELIEF 10265 90° LINE FITTING 10264 DOOR HANDLE 10266 EXHAUST PIPE 10361...

  • Page 47: Product Warranty

    The end user will obtain a Return Goods Authorization number from Nemco Customer Service to return the product to Nemco for inspection. Please be sure to use this number on the box and on paperwork sent with the unit. Return the unit to Nemco. The Nemco Service Department will determine if the problem is covered by the foregoing warranty.
  • Page 48 49228 8/30/23...

This manual is also suitable for:

6220-2862306225-176225-286235

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