HWP30N/HWP40N Forced Circulation Heater User Manual Page 8 of 14
5.
5.1
BUTTON DESCRIPTION
Table 3 Button Descriptions
Button
Definition
Description
Heating
Press and if coolant temperature is below the set cut-off
temperature, heater will transfer to auto status;
If coolant temperature is above the set cut-off temperature, heater
works for 15s and enters auto status after commissioning.
Stop
Press and heater will stop.
Set
Press and enter parameter setting menu.
Up
Display the last digital cube content and do value adjustment.
Down
Display the next digital cube content and do value adjustment.
5.2
INDICATOR DESCRIPTION
Table 4 Indicator Description
Sign
Definition
Description
Alarm
Alarm indicator
When lamp is illuminated, heater fault occurs and please
decide fault type according to the fault code of digital cube.
Auto/Heat Auto/Heating
Heater is in auto state when it is flashing; it is in heating state
when the lamp is always illuminated.
Stop
Stop indicator
Heater is in stop state when lamp is illuminated.
ºC
Temp. indicator
They are used to indicate the type of value displayed on main
interface; after entering the password on display interface,
press the up button or down button, the running time
indicator or power consumption indicator is illuminated; when
on the parameter value interface, the calibration serial
number interface, the software version interface and the enter
password interface, the four indicators flash 0.5s once.
V
Volt. Indicator
10xHour
Running time indicator
10xkWh
Power consumption
indicator
