28
7.2 Activating and deactivating the unit
7.2.1 Icon Description
The front panel of the device functions as the user interface and is used to perform all operations relating to the device.
NO.
Icon
Description
①
Outside heat source running icon(Reserved)
②
Cooling mode icon
This icon will be constantly light when customers choose cooling mode.
③
Heating mode icon
This icon will be constantly light when customers choose heating mode.
④
Water pump mode icon
This icon will be constantly light when customers choose water pump mode.
⑤
Force cooling icon
This icon will be constantly light when customers choose force cooling mode.
⑥
Power off icon
This icon will be constantly light when customers choose Power off mode.
7.1
Clock icon, the middle “
:
” flicker once every 1s. It will display time when customers set the timer.
7.2
The last 2 digits of the nixie tube “
” icon.
If “
” is constantly light, it will display the current inlet water temperature. Its unit is
℃
.
When customers do water temperature set, icon will display the set water temperature.
When checking, “
” will display the result of checking.
When water heating is broken down or in protection, “
” display the error code and protection code.
⑧
Clock icon
It will display when finish setting the clock and be extinguished when the clock setting work is done.
⑨
Timing on function icon
will flicker when setting timing on. The icon will be constantly light when finish setting.
⑩
Timing off function icon
will flicker when setting timing off. The icon will be constantly light when finish setting.
11
Breakdown light icon
When the unit is broken down or under protection, this icon will flicker and will be extinguished when malfunction and
protection are eliminated.
12
Compressor booting indicator icon
When booting the compressor, this icon will be constantly light. It will be extinguished when the compressor is shut down
13
E-heater booting indicator icon
（
Reserved
）
When booting the external E-heater, this icon will be constantly light. It will be extinguished when the external E-heater is
shut down.
14
Fan booting indicator icon
When booting the fan, this icon will be constantly light. It will be extinguished when the fan is shut down.
15
Water pump booting indicator icon
When booting the water pump, this icon will be constantly light. It will be extinguished when the water pump is shut down.
16
Key freezing icon
When freezing the keys, this icon will be constantly light. It will be extinguished when unfreezing keys.
17
Temperature unit icon
When the control panel displays temperature, this icon will be constantly light.
18
Current unit icon
When the control panel displays current, this icon will be constantly light.
19
Time format icon
The unit is 12-hour format. “
”will be constantly light when it is forenoon.
“
” will be constantly light when it is afternoon
21
7.1
