11
4. Operations of the controller
4.1 Buttons of the controller
When the heat pump is running, the LED display shows the water outlet temperature.
LED 1 is on when compressor is running. LED 2 is on if the keys are locked to avoid children’s mis-operation.
When the heat pump is switched off, it displays “OFF” on the controller LED.
4.2 Turn on/off the heat pump
Press for 3 seconds to turn on the heat pump, on the LED display it shows your setting water
temperature for 5s, then show outlet water’s temperature. Fan motor will start to run firstly, after 15 seconds,
the compressor starts to run.
Press for 3 seconds again to turn off the heat pump, compressor stops firstly, after 30 seconds the fan
motor stops.
At the first time of power on, the heat pump will run to heat directly if the outgoing temp.(T
out
)
≤
setting
temp.(T
set
),
without considering the parameter “Temp. difference for restart activation
”.
When the outgoing temp.(T
out
)
＞
setting temp.(T
set
)
+ 1
℃
(Temp. supplement for heat pump’s auto off after
reaching desired temp., default 1
℃
)
the heat pump will stop to run;
Till
T
out
≤
T
set
－
Temp. difference for restart activation (Default setting 2
℃
), the heat pump will restart.
Once the compressor starts to run, it has to continue for 2 minutes before turned off; But if any error appears,
there’s no 2 minutes restrict.
Once the compressor is turned off, there’s a 3 minutes delay before next start.
Press and for 3 seconds to lock the keys; And on the contrary, to unlock the keys.
At the heat pump off status, press and for 3 seconds to return to factory default settings.
4.3 Water temperature setting
At running status, press
or
directly to adjust your desired water temperature (range:.10—42
℃
)
Press shortly to save the setting then exit.
SPECIAL NOTE: the heat pump can run only if the water circle/filtration system is running, otherwise
it may cause severe damage to the compressor and titanium heat exchanger.
Temp. regulator
Outlet water temp.
On / off
Settings
Up or down selection
