Program Settings; Technical Data - Nibe PCS 44 Installateurhandbuch

GB

Program settings

Program setting of PCS 44 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 -system settings
Activating/deactivating of accessories.
Select: "passive cooling 4-pipe"
Menu 1.1 -temperature
Setting of indoor temperature (room temperature
sensor is required).
Menu 1.9.5 - cooling settings
Here you can perform the following settings:
Lowest flow line temperature when cooling.
■
Desired flow temperature at an outdoor air temper-
■
ature of +20 and +40 °C.
Time between cooling and heating or vice versa.
■
Selection of room sensor can control cooling.
■
How much the room temperature may decrease or
■
increase compared to the desired temperature before
switching to heating respectively cooling (requires
room sensor).
Misc. shunt settings.
■
Menu 4.9.2 -auto mode setting
When heat pump operating mode is set to "auto" it
selects when start and stop of additional heat, heat
production 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 (filtering time) which
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 shunt valve (QN18).
EQ1-AA5-K3: Signal (open) to shunt valve (QN18).
EQ1-AA5-K4: No function.
Caution
Also see the Installer manual for
F1145/F1155/F1245/F1255.
18

Technical data

Technical specifications
PCS44
Dimension of shunt valve
Pressure drop at 2,0 l/s
KV value on shunt valve
Dimension of non-return valve
Dimension of the shut-off
valve inlet
Dimension of the shut-off
valve outlet
DN25
kPa 9 (0,09)
(bar)
11
1 1/4'' G32
mm
ﾘ15
mm
ﾘ22
PCS 44