User manual
13 TRIAL OPERATION
13.1 Confirmation before trial operation
1) All the installation preparations are complete.
2) Water heater is installed correctly.
3) The pipelines and wiring connections are correct.
4) The accessories are installed correctly.
5) The drainage is unblocked.
6) The thermal insulation is intact.
7) The earthing wire is connected correctly.
8) The power voltage is consistent with the rated voltage of the heater.
9) There is no obstacle at the air inlet and outlet of the unit.
10) All of the electric protection is working correctly.
11) The water tank is full.
CAUTION:
Before using this unit, please follow the steps below.
Adding water: 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 the power on.
NOTE
The ball valve at water inlet should be open when the unit is in operation.
WARNING!
Operation without water in the water tank may result in damage of auxiliary electrical heater. Due
to such damage, the supplier is not responsible for the quality issue.
DANGER!
Water over 50°C may cause serious burns or death. Special care should be paid to children, the
disabled and the elderly.
WARNING!
Failure to abide with the above instructions can lead to device malfunction or failure and serious
material or human damage. In this case rights under warranty are lost.
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