Replacement Of The Pipe Ofhot Water Outlet From The Heat Exchanger; Replacement Of Thermo Relay (Water Overheating Sensor); Replacement Of Thermo Relay (Draught Sensor); Replacement Of The Plug Or Flame Sensor - BaltGaz NEVALUX-5611 User Manual

13.6.5. Check the appliance's operation. Water leakage is unacceptable.
13.7. Replacement of the pipe of hot water outlet from the heat exchanger.
13.7.1. Remove the casing, see p. 13.1.
13.7.2. Disconnect the cables and remove the thermo relay 22, unscrewing the loop screws 25.
13.7.3. Unscrew the hot water temperature sensor 30 together with the ring 31
13.7.4. Unscrew two screws fixing the fitting of the pipe 8 to the body frame carrier 1
13.7.5. Unscrew the nut of the pipe 8 from the fitting of the pipe of the heat exchanger 2 and remove the pipe.
13.7.6. Install a new pipe.
13.7.7. Check the appliance's operation. Water leakage is unacceptable.

13.8. Replacement of thermo relay (water overheating sensor)

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13.8.1. Remove the casing, see p. 13.1
13.8.2. Disconnect two cables from the thermo relay 55 on the hot water outlet pipe 8.
13.8.3. Unscrew two self-threading screws of the thermo relay's fastening to the loop 25 and remove it.
13.8.4. Install a new thermo relay.
13.8.5. Check the appliance's operation with a new thermo relay.

13.9. Replacement of thermo relay (draught sensor)

13.9.1. Remove the casing, see p. 13.1.
13.9.2. Disconnect the cables from the thermo relay 22.
13.9.3. Remove the carrier 23 from the thermo relay 22 from the gas removal device, pushing up the lock on the carrier.
13.9.4. Unscrew two self-threading screws fixing the thermo relay 22 to the carrier 23 and remove the thermo relay.
13.9.5. Install a new thermo relay.
13.9.6. Check the appliance's working capacity with the new thermo relay.

13.10. Replacement of the plug or flame sensor

13.10.1. Remove the casing, see p. 13.1.
13.10.2.Disconnect the cables from the plug 18 or from the flame sensor 19.
13.10.3. Unscrew two self-threading screws fixing the plank 21 to the carrier 20, remove the plug 18 or the flame sensor 19.
13.10.4 Replace the plug or flame sensor.
13.10.5 Check the appliance's operation with a new plug or new flame sensor.

13.11 . Replacement of water temperature sensor

13.11.1. Remove the casing, see p. 13.1
13.11.2. Disconnect two cables from the temperature display 12.
13.11.3. Screw out the water temperature sensor 30 from the hot water outlet pipe fitting 8.
13.11.4. Install a new sensor.
13.11.5. Check the appliance's operation with a new sensor comparing the readings of water temperature on display and
the readings of a thermometer when measuring the temperature of hot water by the appliance's outlet.
13.12 Replacement of the micro switch (water flow sensor)
13.12.1. Remove the casing, see p. 13.1.
13.12.2. Disconnect two cables from the micro switch 17.
13.12.3. Unscrew two screws of the micro switch fastening to the water and gas unit and remove it.
13.12.4. Install a new micro switch.
13.12.5. Check the appliance's operation with a new micro switch.
13.13 Battery section replacement
13.13.1. Remove the casing, see p. 13.1.
13.13.2. Disconnect two cables from the battery section 33.
13.13.3. Open the cover of the battery section 33.
13.13.4. Unscrew two self-threading screws of the battery section's fastening to the body frame's carrier 1 and remove it.
13.13.5. Install a new battery section.
13.14. Replacement of the water and gas unit's electromagnetic valve
13.14.1. Remove the casing, see p 13.1.
13.14.2. Disconnect three cables from the electromagnetic valve 16 of the water and gas unit 4.
13.14.3. Unscrew two screws fixing the electromagnetic valve and remove it.
13.14.4. Install a new electromagnetic valve.
13.14.5. Check the appliance's working capacity with the new electromagnetic valve.
13.15. Replacement of the electronic control block
13.15.1. Remove the casing, see p 13.1.
13.15.2.Disconnect all external connecting cables and connectors of the electronic control block 32.
13.15.3. Unscrew two self-threading screws fixing the electronic control block 32 to the body frame's carrier 1 and remove
it.
13.15.4. Install a new electronic control block.
13.15.5. Check the appliance's operation with the new electronic control block.