Operation Points Of Attention; Cleaning & Maintenance Of Unit - Haier FCD-HM50 Operation Instruction Manual

Operation Method · Operation Points of Attention · Cleaning and Maintenance of Unit
Operation Method
F. In cold areas, when the ambient temperature is less than 20℃ below zero, this unit will automatically turn off
power and conduct protection, the display screen will indicate a flashing E3, please disconnect the power
supply. When the ambient temperature is higher than 19℃ below zero, the E3 will disappear after this unit is
turned on.
G. In water storage mode, according to your habits of water use, under the condition of meeting demands for hot
water, in order to help you to save energy, it suggested that you set the water heat to around at 45℃ in
summer; and 65℃ in winter. If there many people to take bath, adjust the setting temperature according to the
actual conditions (the maximum setting temperature is 75℃).

Operation Points of Attention

1. Don't connect it to the power supply before the interior shell is filled with water, in order to avoid damage to
unit.
2. Prior to use, adjust water temperature to the proper temperature to prevent scalding. Water temperature of
over 50℃ may cause scalding.
3. During the operation process, check the safety valve once a month. The method is as follows: Stretch out your
hand into the rear side of the bottom cover (be careful not to injure yourself), pull the small handle of the
safety valve at the side of inlet pipe. If water flows out, the unit is under normal working conditions; and no
water to flows out, please contact your local after-sales service department. If there is any damage, please
replace the safety valve with same size.
4. This product is an enclosed water heater, and it can provide hot water for many points through the connection
of pipelines, such as a bathroom (bathtub, washing basin, and sprayer), and kitchen.
5. During the four seasons of one year, you may adjust the setting heating in a flexible way according to the
change of temperature. If the water heater is to be not used for a long time, you can close the valve of the
water pipe, open handle of the safety valve, push the mixing valve of water heater to the maximum hot water
level, and drain the water inside the interior shell. Before the use of second time, in order to avoid the
occurrence of injury or accident, it is suggested to open the valve of the hot water before the connection of the
switch of power supply. No smoking or other open fire around the opened valve at this moment. Meanwhile,
carefully check if each component of the water heater is in good condition, and it can be put into operation
after confirmation. Note: The opening of the drain pipe shall not be higher than the relief hole of the safety
valve, and the drain pipe should be inserting into the floor drain or other places where drainage is convenient.
6. If there is enough hot water, lower the setting temperature as far as possible, which will reduce heat loss and
reduce high-temperature corrosion and scale deposits, and prolong the service life of water heater.
7. Periodically request a serviceman to conduct a safety inspection, remove water scaling from the heating pipe,
and check the consumption condition of the magnesium bar, and it should be replaced if the loss is too large.
Cleaning and Maintenance of Unit
Declaration: This water heater only can be serviced and maintained by a qualified serviceman, and incorrect
method may result in serious injury, accident or property loss. You must remove the power plug before the startup
of the water heater or maintenance of water heater.
Note: Before requesting someone for service, please refer to Keys to Difficulties attached below to eliminate
obvious problems.
Exterior Cleaning: Turn off power supply before the cleaning the water heater. Use a cloth and a small amount
of neutral cleaning agent to gently wipe the unit. Do not use gasoline or other solutions. Finally use a dry
cloth to wipe dry, and keep the water heater in a dry condition. Don't use abrasives (such as toothpaste), acids,
chemical solvents (such as alcohol), or polishing agents.
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