VESTEL TRV 50 Service Manual
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VESTEL TRV 50 Service Manual

Thermosiphon
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THERMOSIPHON
SERVICE MANUAL

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Summary of Contents for VESTEL TRV 50

  • Page 1 THERMOSIPHON SERVICE MANUAL...

  • Page 2: Table Of Contents

    CONTENTS PAGE 1. FEATURES 2. COMPONENTS • Boiler • External Body • Insulation • Resistance • Flash Gasket • Thermostat • Electronic Thermostat • Limit Thermostat • Safety Valve • Anode • Cable Connection Schematics 3. OPERATION PRINCIPLE • Operation •...

  • Page 3: Features

    1. THE FEATURES OF ELECTRICAL TANK THERMOSIPHON Safety: Each part of the thermosiphon is controlled very precisely in order to achieve operation continuity on perfect level. Electric circuit is completely isolated from the water circuit. All models are equipped with at least 3 safety mechanisms. Ease of use: All models can be mounted on any desired location easily.

  • Page 4: Boiler

    (10) Bacteria Prevention System. Researches show that when water remains stagnant under 60 C for a prolonged duration, the conditions To prevent this, your thermosiphon raises the water become suitable for bacteria reproduction temperature to 65°C at least once a week while in stand-by mode and keeps the water at this temperature at this level for one hour.

  • Page 5: External Body

    (1) Upper camber (2) Hot water exit pipe. Hot water exit pipes of different dimensions can be used according to the model. Hot water is always extracted from the top portion of the tank. (3) Lower camber (4) Boiler flash (5) Cold water Inlet pipe (6) Entrance diffuser.

  • Page 6: Electronic Thermostat

    A-MECHANICAL CONTROL Temperature Adjustment Knob On-Off Signal Lamp Thermostat. 2.7 ELECTRONIC THERMOSTAT In electronically controlled thermostats, the temperature control and certain safety functions are conducted by circuit board. Circuit board is found on the front panel. It contains two touch-buttons to adjust temperature and one on-off touch button.

  • Page 7: Limit Thermostat

    Electronic Thermostat Error Codes: In some error cases, the following codes are displayed on the circuit board indicator. Thermistor error Check the thermistor socket. Replace the thermistor with a new one. Low voltage warning When voltage returns to normal, this error will automatically be removed.
  • Page 8 mechanical strength of the components and causes the heating component to be damaged. The reasons for corrosion are as below: 1. Melt oxygen (example: From 5 mg/l in high temperature to 12 mg/l in low temperature) 2. Salts that harden the water. Magnesium anode is used to prevent the tank from being perforated.

  • Page 9: Cable Connection Schematics

    2.11 CONNECTION SCHEMATICS Mechanically controlled model Electronically controlled model 3. OPERATION PRINCIPLE 3.1 OPERATION Tank is always filled with pressurized water. When the desired temperature is reached, control thermostat shuts down the electric resistance. When hot water starts to be used, cold water starts to enter the tank through the cold water Inlet pipe.

  • Page 10: Placement And Plumbing Of The Unit

    In case the hose lengths are not enough, only hoses of different length recommended by Vestel Service Centre must be used. • Thermosiphon must be mounted on a location where the water inside won’t freeze.

  • Page 11: Resistance Inspection

    8. Remove the flange. 9. Clean the boiler scale carefully with hand or with a tool (depending on the device type). 5.2 Resistance Check Wire Integrity Test • Set the test device to OHM reading. • Connect the two cables of the test device to the two terminals of the resistance. •...

  • Page 12: Fault Detection Chart

    Short Circuit Test • Connect one cable of the test device to the resistance terminal. The other cable must be in contact with the tooth part of the heating component. • No resistance value must be read on the test device. Otherwise, the resistance must be replaced.
  • Page 13 temperature. MALFUNCTION REASON OF REMOVAL OF MALFUNCTION MALFUNCTION The water coming from the * Bacteria might have formed * Completely drain the water in thermosiphon has a stench. in the thermosiphon due ton the thermosiphon and clean. on-continuous operation. Thermosiphon activates and *Thermostat might be * Replace the thermostat.

This manual is also suitable for:

Trv 65Trv 80Trv 50 eTrv 65 eTrv 80 e

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