Cointra CMB-5 Instrucciones De Instalacion, Uso Y Conservacion Para El Instalador página 45

PREVENTIONS
AGAINST LIME
In specific areas with hard water, in order to prevent the deposition of lime that can affect to the heat trasnmission, it is
recommended to limit the output temperature adjusting it by means of the temperature selector.
AGAINST ICE
In specific cold areas, to prevent the water haeter from being damaged as result of an inminent freeze:
- Close the water inlet valve to the heater
- Open the lowest hot water tap (e.g. the bidet)
- Open the drain valve in the lower part of the heater, so that water can come out and the air can enter.
MAINTENANCE
Use a cloth with soapy water to clean the front cover, avoid abarsive detergents and solvents. To increase the life of
your water heater, it should be maintained and cleaned once a year, please call our Technical Service.
ADAPTING TO DIFFERENT GASES
Tha heater is equiped for a sepcific gas, if there is a need to adapt it to a different gas, this must be done by the
Cointra's Technical Service following these instructions:
1. Turn off the water and gas supply, remove the knobs and put off the front cover.
2. Replace the injector nozzles (see figure A) in the burner by those specific for the corresponding gas.
3. Replace the gas front valve mechanism (figure B), paying attention to mount it correctly..
4. Place the new technical data sticker on the previous one, to show the right gas adaption.
A
1
B
2
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