calentador Supreme 14e Installation & Maintenance - Page 6
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4.3
Maintenance
Opening the casing
To open the water heater casing:
1. Undo the two screws A (see fig. 11).
2. Turn the casing.
3. Lift and remove the casing.
Close the gas cock upstream before carrying out any operation inside
the water heater.
fig. 15 Opening the casing
Periodical inspection
To ensure proper operation of the unit over time, have qualified personnel carry
out a yearly inspection, providing for the following checks:
•
The control and safety devices must work properly.
•
The fume exhaust circuit must be perfectly efficient.
•
The fume ducts and terminal must be free of any obstacles and leaks
•
The burner and exchanger must be clean and free of deposits. For possible
cleaning, do not use chemical products or wire brushes.
•
The electrodes must be free of deposits and correctly positioned.
Fig. 16 -
Electrode positioning
•
The gas and water systems must be tight.
•
The gas flow and pressure must match that given in the respective
6
5. TECHNICAL DATA AND CHARACTERISTICS
Table. 3 - Key of figures cap. 5
5 Airtight chamber
7
Gas inlet
8
Domestic hot water outlet
9
Cold water inlet
16 Fan
17 Pressure switch
20
Burner assembly
27
Copper exchanger
28 Fume collector
5.1 General view and main components
tables.
cod. A73020280 - Rev. 01 - 02/2013
29 Fume diaphragm
42 DHW temperature sensor
44 Gas valve
49 Safety thermostat
82
Detection electrode
187 Steam outlet collector
188
Ignition electrode
358
DHW inlet Solar thermostat
359
Microswitch terminal board