MICROWELL HP 900 Compact - 5. Control Unit; 5.1 Control Unit Functions and LCD Panel; 5.2 Setting Operating Parameters

12 | Installation and user manual
HEAT PUMP MICROWELL HP COMPACT
5. CONTROL UNIT
5.1 Functions of the control unit with LCD panel
5.2 Setting of the operating parameters
 In STAND-BY mode (OFF) press the „M“ buttona and keep it pressed for 3 seconds.
The parameters will be displayed.
 Then repress the „M“ button for displaying the requested parameter (parameters from 00 to
11, see the chart below).
 The requested value is adjusted by pressing the
and buttons on the particular
parameter.
 By keeping the „M“ button pressed for 3 seconds in the operating mode, you can look over
the setting parameters, however you can not change them.
Figure Meaning Range Manufacturing
setting
Setting (YES/NO)
00 Setting of the requested max. water
temperature
0/1/2~45/60/50°C
0 YES
01 Temperature setting for the beginning
of the defrosting
-20°~10°C
-7°C YES
02 Temperature setting for the end of the
defrosting
5°~45°C
13°C YES
Cooling symbol
Blinking sun-
defrosting
LCD display
Adjusted water
temperature (figures)
Press for the heating-
cooling mode change-over
Input water
temperature (figures)
Heating mode symbol (sun)
Press for 3 seconds to
control the temperatures
Press to start-up the
timer (on/off )
Press for turning
on/off the device
Press for 3 sec. to set or
look over the data
Press to change
the data
Press for 3 sec.
for forced defrosting