Midea JZ*-Q502S SERIES Service Manual
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Midea JZ*-Q502S SERIES Service Manual

Midea JZ*-Q502S SERIES Service Manual

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Model list:
JZx-Q40xxxx,
JZx-Q44xxxx,
JZx-Q501Gxx
JZx-Q502Sxx
60Gxxxxxxx- xxx
75G50xxxxx- Gxx
90Gxxxxxxx- Gxx
Warnings:
 This service manual is not available to the general users, but only applies to
professional technicians with relevant qualifications. Any incorrect maintenance
may result in other dangers!
 The power and gas supply must be cut off before maintenance!
 A new power cord which meets the relevant technical requirements must be used
once possible hidden malfunctions are found with the current power cord (refer to
this Manual)!
 Please read carefully all safety warnings in this Manual before maintenance!
 The product is prohibited from using until test is conducted as per relevant
regulations after maintenance!
 This service manual applies to many models, so the specific operations please prevail in
kind!
Service Manual
For Built-in gas hob
V3.0
May, 2015
JZx-Q41xxxx,
JZx-Q45xxxx
JZx-Q502Gxx
60Qxxxxxxx
70Gxxxxxxx- xxx
75G50xxxxx- Sxx
90Gxxxxxxx- Sxx
1

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Summary of Contents for Midea JZ*-Q502S SERIES

  • Page 1 Service Manual For Built-in gas hob Model list: JZx-Q40xxxx, JZx-Q41xxxx, JZx-Q44xxxx, JZx-Q45xxxx JZx-Q501Gxx JZx-Q502Gxx JZx-Q502Sxx 60Qxxxxxxx 60Gxxxxxxx- xxx 70Gxxxxxxx- xxx 75G50xxxxx- Gxx 75G50xxxxx- Sxx 90Gxxxxxxx- Gxx 90Gxxxxxxx- Sxx Warnings:  This service manual is not available to the general users, but only applies to professional technicians with relevant qualifications.

  • Page 2: Table Of Contents

    Catalogue 1. Precaution ........................4 1.1. Safety Precaution ............................4 1.2. Warning ................................4 2. Description of the appliance .................... 5 2.1. Features ................................5 2.2. Components and parts ............................ 6 3. Installation ........................7 3.1. Dimension ................................ 7 3.2. Installation Dimension ............................. 8 Electric Diagram ............................
  • Page 3 7.2. Replacement of the injector of the burners ....................22 8. Appendix ........................24 Technical & quality requirements for Built-in gas hob..................24...

  • Page 4: Precaution

    1. Precaution 1.1. Safety Precaution 1. Do not modify this appliance. This appliance should be serviced by an authorized person. 2. All repairs should be done in accordance with the procedures described in this manual. 3. Before you begin, turn off the gas and electricity supply to the appliance. Remove remaining gas in product completely by igniting burner.

  • Page 5: Description Of The Appliance

    2. Description of the appliance 2.1. Features Glass: Q502 GXX Stainless：Q411 SXX...

  • Page 6: Components And Parts

    2.2. Components and parts (1). Burner (2) .Pan support (3). Knob (4) .Drip tray...

  • Page 7: Installation

    3. Installation 3.1. Dimension Model W (mm) H (mm) D (mm) xxxx xxxx xxxx xxxx Q501G Q502G Q502S xxxxxx 60Gxxxxxxx- xxx x- xxx 70Gxxxxxx xxxxx- xxx 75G50 xxxxxxx- xxx Note: Dimensions for reference only...

  • Page 8: Installation Dimension

    3.2. Installation Dimension Cut out size: Model W(mm) D (mm) T(mm) Q40xxxx 30(min) Q41xxxx 30(min) Q44xxxx 30(min) Q45xxxx 30(min) Q501Gxx 30(min) Q502Gxx 30(min) Q502Sxx 30(min) 60Qxxxxxxx 30(min) 60Gxxxx08x- xxx 30(min) 60Gxxxx4xx- xxx 30(min) 60Gxxxx006- xxx 30(min) 60Gxxxxxxx- xxx 30(min) 70Gxxxxxxx- xxx 30(min) xxxxx- xxx 30(min)
  • Page 9 This appliance is to be built into a kitchen unit or worktop of right size, providing the following minimum distances are allowed; – The edge of the appliance must be a minimum distance of 55mm from a rear wall. – A minimum distance of 150mm must be left between the side edges of the appliance and any adjacent cabinets or walls.

  • Page 10: Electric Diagram

    4. Electric Diagram Four burners model Five burners model...

  • Page 11: Reassembly And Disassembly

    5. Reassembly and Disassembly 5.1. Safety precautions WARNING Turn off power for safety and appliance protection. Close middle valve to prevent gas leakage Keep away from inflammable materials around appliance. Before work, put on gloves. CAUTION Cool off the appliance for a while right after using appliance for your safety because you can get burners by high temperature from the appliances.

  • Page 12: Disassembly

    5.3 Disassembly 5.3.1. Disassemble the Top Plate Step 1: Remove parts on the Top Plate a. Remove parts on the top plate: Burner lids, Flame spreaders, Control handles b. When disassembling, keep parts safe, do not drop them to the appliance. Step 2: Disassemble of Screws on the Top Plate a.

  • Page 13: Disassemble The Thermocouple

    5.3.2. Disassemble the Thermocouple Step 1: Unscrew the nut out. Step 2: Pull the silver terminal of Thermocouple Step 3: When reassembling, replace parts correctly 5.3.3. Disassemble of the Ignition Pin Step 1: Pull the washer and take off ignition pin Step 2: Pull the housing of Ignition pin out of the igniter.

  • Page 14: Disassemble Of The Gas Pipe

    5.3.5. Disassemble of the Gas Pipe Step 1: Unscrew the nuts out. at both ends of the pipes Step 2: Pull the pipes 5.3.6. Disassemble of the Bottom Cup Step 1: Remove all screws on the bottom cup Step 2: Detach the bottom cup from the base box burner 5.3.7.

  • Page 15: Disassemble Of The Igniter

    5.3.8. Disassemble of the igniter Step1. Remove 2 screws Step2. Detach the igniter from the base box burner. 5.3.9. Disassemble of the Valve & Manifold Pipe Assembly Step 1. Remove 5 screws Step 2. Remove the screw to take off pipe assy. Step 3.

  • Page 16: Disasmble Of The Gas Connection

    5.3.10. Disasmble of the Gas Connection Step 1. When you disassemble/assemble gas connection, use 2 spanners. One for fixing gas connection elbow, the other for tightening gas hose. Step 2. Tighten enough to prevent gas leakage. Step 3. Once you’re done, conduct leakage test 5.3.11.

  • Page 17: Reassembly

    5.4. Reassembly 5.4.1. Reassemble of the Ignition Pin Step 1. Pull the line of the ignition pin in to the hole on bottom cup along the gap on bottom cup Step 2. Push ignition pin to adjust the position Step 3. Klemm ignition pin with snap spring to fox the ignition pin.

  • Page 18: Troubleshooting

    6. Troubleshooting 6.1. Troubleshooting...

  • Page 19: Problems And Corrective Measures

    6.2. Problems and Corrective Measures...
  • Page 20 Note! 1 Check the ground wire before the fault is detected; 2 Enough attention must be given to high voltage circuit.

  • Page 21: Maintenance And Test

    6.3. Maintenance and test Air leakage test Tool: Air leakage device, soapy water 1. Professional repair procedures a) Connect product to the air leakage device and set the test pressure at 15kPa; b) The plug valve shall be kept closed and the gas pipelines may be tested its leakage through air leakage device;...

  • Page 22: Gas Conversion

    7. Gas Conversion All work must be carried out by a qualified technician, Before you begin, turn off the gas and electricity supply to the appliance. 7.1. Replacement of gas-type fitting Tool: Open-end wrench Steps for operation: a) Disassemble with a wrench the gas-type fittings from main gas tube. b) Lock tightly a replaceable gas-type fitting onto the main gas tube.
  • Page 23 Comparison list for injector replacement Nominal heat input and rates see below at 15℃ at 1013mbar 注：...
  • Page 24 8. Appendix Technical & quality requirements for Built-in gas hob a) Use of natural gas burner when the burner works 10 minutes in rated power，turn it to little fire and keep 60 seconds，reduce the gas pressure to 1400pa，the fire shouldn’t extinct. b) Neither flame off nor back burning should appear when the flame is in the fire hole of burner.

This manual is also suitable for:

Jz*-q40 seriesJz*-q501g seriesJz*-q44 series75g50*****-g seriesJz*-q41 series90g*******-g series ... Show all

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