Nibe AXC 50, Installer Manual

Page: 33 / 48

Program settings
Program setting of AXC 50 can be performed via the start
guide or directly in the menu system.
Start guide
The start guide appears upon first start-up after heat
pump installation, but is also found in menu 5.7.
Menu system
If you do not make all settings via the start guide or need
to change any of the settings, this can be done in the
menu system.
Menu 5.2.4 - accessories
Activating/deactivating of accessories.
Select: "passive cooling 4-pipe".
Menu 1.1 - temperature
Setting indoor temperature (room temperature sensor is
required).
Menu 1.9.5 - cooling settings
Here you can perform the following settings:
႑
Lowest flow line temperature when cooling.
႑
Desired flow temperature at an outdoor air temperature
of +20 and +40 °C.
႑
Time between cooling and heating or vice versa.
႑ Selection of room sensor can control cooling.
႑
How much the room temperature may decrease or in-
crease compared to the desired temperature before
switching to heating respectively cooling (requires room
sensor).
႑
Misc. shunt settings.
Menu 4.9.2 - auto mode setting
When heat pump operating mode is set to "auto“ it se-
lects when start and stop of additional heat, heat produc-
tion and cooling is permitted, dependent on the average
outdoor temperature.
Select the average outdoor temperatures in this menu.
You can also set the time over which (filtering time) the
average temperature is calculated. If you select 0, the
present outdoor temperature is used.
Menu 5.6 - forced control
Forced control of the different components in the heat
pump as well as in the different accessories that may be
connected.
EQ1-AA5-K1: Activating the circulation pump (GP13).
EQ1-AA5-K2: Signal (close) to mixing valve (QN18).
EQ1-AA5-K3: Signal (open) to mixing valve (QN18).
EQ1-AA5-K4: No function.
Caution
Also see the Operating manual for F1345.
31 Chapter 8 | Passive cooling (4-pipe) AXC 50