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3 INSTALLATION INSTRUCTIONS
3.1 Description of the Appliance
SX water heaters are sealed electronic water heaters, with electronic ignition and ionisation safety devices, they have a modulat-
ing burner and are connected to the mains water supply; they provide domestic hot water. Their self-contained combustion
chambers with fans for the intake of external air and the extraction of combustion products, allow them to operate totally inde-
pendently from the room in which they are installed.
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Main components :
1. FRAME including the bar for suspending the water heater .
2. SEALED CHAMBER BASE, which, together with the casing, forms the combustion chamber
3. PRODUCTS EXTRACTION SET which includes the extractor body, fan, air pressure switch and coaxial outlet duct Ø 60-100
4. FAN for expelling the combustion gases to the outside through the tube Ø60 and to take in air from outside the chamber
5. HEATING BODY made of copper
6. BURNER made of stainless steel and with a blue flame which works with natural gas or Butane/Propane. Distributor fitted with
injectors that correspond to each type of gas
7. ELECTRODES for ignition and flame sensor which works by ionisation
8. GAS VALVE fitted with two safety valves, manual power rating selection, automatic power modulation according to the flow of
water and gradual progressive lighting of the burner.
9. WATER VALVE fitted with an automatic water flow regulator and with a manual temperature selector
10. ELECTRICAL POWER SUPPLY AND CONTROL: Supplies the water heater with 1.5 V from the mains supply at 220-230 V
a.c. Supplies the fan and, through the air pressure meter, controls the extraction of the combustion products.
11. ELECTRONIC CIRCUIT for igniting the flame and controlling it by means of ionisation.
12. AIR PRESSURE SWITCH which cuts off the intake of gas to the burner if waste products are not expelled correctly
13. COAXIAL OUTLET Ø 60-100
14. ELECTRICAL SUPPLY CABLE
15. HEAT EXCHANGER
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