How You Select The Operating Mode; Checking Sensor Values - Gullberg & Jansson P15 Installationshandbuch

Parameter 7: Automatic restart on
power failure. (0 = No / 1 = Yes)
If, for example, you wish to change the required temperature in heating, press and hold the knob for 2 seconds and then
rotate the knob until parameter mode 1 is shown. Now press the knob. When the temperature value starts to flash you can
change the required temperature by rotating the knob. Note that the heat pump must be in the off position when making
certain parameter settings, i.e. the position when only incoming water temp. is shown on the display.

How you select the operating mode

1. Press the knob to start the unit
The display shows the inlet temp.
and the operating mode during
normal operations.
2. If parameter 8 is set to 1 it is
possible to switch between
cooling and heating modes by
pressing and holding the knob
for 5 seconds, and then rotate the
knob between HEAT and COOL.

Checking sensor values

Inlet temperature
Discharge gas temperature (not used)
Parameter 8: (0 = Cooling mode / 1
= Heating mode or cooling mode /
2 = Not used / 3 = Heating mode)
Operating mode set to heating
Outlet temperature
Ambient air temperature
75
Use and operation
Parameter 9: External pump. (0 =
Always running / 1 = Running at
the same time as the compressor)
Operating mode set to cooling
Temperature of the evaporator coil