Display Controller Operation - GRE HPGI50 Manuel D'instructions

6. Display Controller Operation

6.1 The buttons of LED wire controller
6.2 The keys and their operations
NOTE: Every time, when the heat pump connects to the power, the LED display shows a code for 3 seconds which
indicates the heat pump model.
6.2.1 button
Press to start the heat pump unit, the LED display shows the desired water temperature for 5 seconds, then
shows the inlet water temperature and the operation mode.
Press
to stop the heat pump unit and show "OFF"
Notice : During the parameter checking and setting, press the
Press again to turn on/off the machine.
6.2.2 and
Clock/unclock the display:
Hold and
Water temperature setting :
or
Press
Water temp. setting range in Heating mode :6-41℃,
button
for 5 seconds to lock/Unlock the display.
to set the water temperature directly.
to quick-exit and save the current setting .
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