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English
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If the indicator lights up, the thermostat will automatically control the temperature. When the water
temperature inside the heater has reached the set temperature, it will switch off automatically, when
the water temperature falls below the set point the heater will be turned on automatically to restore the
heating.
4.2 Operating of the Unit
-
Rotate the knob according to the marking on the knob to increase or decrease the setting
temperature.
-
Rotate the power adjustment knob to position I, II, or III, water heating process starts.
-
The water heater needs to be turn on for a certain period of time to reach the acceptable
temperature.
-
During the heating process, it’s normal to see slight drip at the safety valve. Please do not cover u
the safety valve outlet hole.
-
Connect this outlet hole to a discharge pipe. Water may drip from the discharge pipe of the safety
valve; therefore this pipe must be exposed to the atmosphere.
-
The safety valve is to be operated regularly (preferably at least every six months) to remove lime
deposit and to ensure that it is not blocked.
4.3 Function introduction
-
Display function: display actual temperature, setting temperature.
-
Heating function: within 30
o
C to 75
o
C to set the heating temperature.
-
Safety function: with anti-dry protection, overheat protection to keep safe of the unit when using.
4.4 The product features
-
Super tank Single Weld Line with Titanium Porcelain Enamel coating which is rut-proof, erosion-
proof and with higher efficiency and having a longer life span.
-
Energy saving with minimum heat loss. The water temperature is able to be maintained up to 48
hours after the electricity is switched off.
-
Rate power heating: 250W/350W/800W
5.1 Maintenance
Warning: Do cut off power supply before maintenance, to avoid danger like electric shock.
Check the power plug and outlet as often as possible. Secure electrical contact and also proper
grounding must be provided. The plug and outlet must not heat excessively.
If the heater is not used for a long time, especially in regions with low air temperature(below 0
o
C),
it is necessary to drain water from the heater to prevent damage of the water heater, due to water
freezing in the internal tank.(Refer Cautions in this manual for the method to drain away the water
from the inner container).
To ensure long reliable water heater operation, it is recommended to regularly clean the internal
tank and remove deposits on the electric heating element of the water heater, as well as check
condition (fully decomposed or not) of the magnesium anode and, if necessary, replace it with a
new one in case of full decomposition. Tank cleaning frequency depends on hardness of water
located in this territory. Cleaning must be performed by MODENA or special maintenance
services.
The water heater is equipped with a thermal switch, which cuts off power supply of the heating
element upon water overheating or its absence in the water heater. If the water heater is
connected to the mains, but water is not heated and the indicator doesn’t light up, then the
Part 5:
Maintenance
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