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2.3 Operation Instruction
2.3.1
Preparation before running the unit.
a)
When you run the unit for the first time, all the indicators on the UI will light for 3 second, and the
buzzer will "didi" ring twice at the same time, and then, display the fiducially web page. After no
operation for 1 minute, button will be locked except Unlock button( ), Press for 3s, unlock buttons.
b)
When the tank is full and make sure all settings finished, please press the ON\OFF key and then
run the unit.
c)
When the unit is running, if there is no operation or malfunction for 30s, screen will be locked
(extinguished) except for error code and alarm light. Press any button will unlock the
screen(lighten).
2.3.2
Lock and Unlock
In order to prevent wrong operation, a special lock function has been designed. If there is no operation for
1min, the unit will be locked automatically, and display the lock sign (Lock indicator lights up).When the unit
is locked, no keys can be operated.
2.3.3
Clock Setting
The clock is for a 24-hour system and the initial time is 00:00. To make a better use of this unit, it is
recommended to set the time for accurate local time. Every time powered off, the clock will be reset to the
initial time 00:00.Method for time set
2.3.4
Mode Selection
a)
The unit is enhanced with four operation modes, Economy Mode, Vacation, Disinfect and E-heater
Mode.
b)
Economy Mode: After pressing "
according to heat-pump principle. Used when the ambient temp. is high.
c)
E-heater Mode: After pressing "
when the ambient temp. is very low.
d) Vacation Mode: After pressing "Vacation" button, the unit will automatically heat water to 15
the purpose of energy saving during vacation days.
e) Disinfect Mode: After pressing "
to kill the potential legionella bacteria inside water of tank.
Press
for 3s
to unlock the button
Economy
" button, the unit heats water only by compressor drive
E-heater
" button, the unit heats water only by electric heater. Used
Disinfect
" button, the unit immediately start to heat water up to 65
Sanitary Water Heater Technical Manual
for
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