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Water loop connection
Please pay attention to the below points when connecting the water loop pipe:
•
Try to reduce the water loop resistance
•
Make sure there is nothing in the pipe
carefully to see if there is any leak, and then pack the pipe with the insulation.
•
Install the one-way valve and safety valve in the water circulation system.
•
The nominal pipe wide of the field- installed sanitary installations must be selected on
the basis of the available water pressure and the expected pressure drop within the
piping system.
•
The water pipes may be of the flexible type. To prevent corrosion damage, make
sure that the materials used in the piping system are compatible.
•
When installing the pipe-work on the installation site, any contamination of the
piping system must be avoided.
Water filling and water emptying
Water filling:
If the unit is used for the first time or used again after emptying the tank, please make sure
that the tank is full of water before turning on the power.
Open the cold water inlet and hot water outlet.
1)
Start the water filling. When there is water normally flowing out from the hot water outlet, the
2)
tank is full.
Turn off the hot water outlet valve and water filling is finished.
3)
ATTENTION: Operation without water in water tank may result in damage of
auxiliary e-heater
Water emptying:
If the unit needs cleaning, moving etc., the tank should be emptied.
Close the cold water inlet valve.
1)
Open the hot water outlet valve and open the manual valve of drain
2)
pipe.
Start the water emptying.
3)
After emptying, close the manual valve.
4)
and the water loop is smooth, check the pipe
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