Nibe S1155PC Installer Manual page 50

MENU 7.1 - OPERATING SETTINGS
Make operating settings for the system here.
MENU 7.1.1 - HOT WATER
This menu contains advanced settings for hot water
operation.
MENU 7.1.1.1 - TEMPERATURE SETTING
Start temperature
Demand mode, small/medium/large
Setting range: 5 – 70 °C
Stop temperature
Demand mode, small/medium/large
Setting range: 5 – 70 °C
Stop temperature periodic increase
Setting range: 55 – 70 °C
Manual power
Setting range: on/off
Here you set the start and stop temperature of the hot
water for the different demand modes in menu 2.2 as
well as the stop temperature for periodic increase (menu
2.4).
With "Manual power" activated, you can adjust the
charge power depending on the hot water tank that is
docked.
MENU 7.1.1.2 - OPERATING SETTINGS
Step diff. compressor
Setting range: 0.5 – 4.0 °C
Charge method
Alternative: Target temp, Delta temp.
If several compressors are available, set the difference
between their engagement and disengagement during
hot water charging.
The charge method for hot water mode is selected here.
"Delta temp." is recommended for water heaters with
charge coil, "Target temp." for double-jacketed heaters
and heaters with hot water coil.
MENU 7.1.2 - CIRCULATION PUMPS
This menu contains sub-menus where you can make
advanced circulation pump settings.
MENU 7.1.2.1 - OPERATING MODE HEATING
MEDIUM PUMP GP1
Operating status
Alternative: Auto, intermittent
50 Chapter 9 | Control - Menus
Auto: The heating medium pump runs according to the
current operating mode for S1155PC.
Intermittent: The heating medium pump starts approx.
20 seconds before and stops 20 seconds after the
compressor.
MENU 7.1.2.2 - PUMP SPEED HEATING
MEDIUM GP1
Make settings here for the heating medium pump's
speed in the current operating mode, for example in
heating or hot water operation. Which operating modes
can be changed depends on which accessories are
connected.
Heating, auto
Alternative: on/off
Minimum permitted speed
Setting range: 1 - 50 %
Speed in standby mode
Setting range: 1 - 100 %
Highest permitted speed
Setting range: 50 - 100 %
Heating, auto: Here, you set whether the heating medi-
um pump is to be regulated automatically or manually.
Minimum permitted speed: Here, you can restrict the
pump speed so that the heating medium pump is not
allowed to operate at a lower speed in auto mode than
the set value.
Heating, manual: If you have opted to control the heating
medium pump manually, you set the desired pump
speed here.
Speed in standby mode: The speed the heating medium
pump is to have in standby mode is set here. Standby
mode occurs when heating or cooling operation is per-
mitted at the same time as there is no need for either
compressor operation or electric additional heat.
Maximum permitted speed: Here you can restrict the
pump speed so that the heating medium pump is not
allowed to operate at a higher speed than the set value.
MENU 7.1.2.6 - OPERATING MODE BRINE
PUMP
Operating status
Alternative: Intermittent, Continuously, 10 days con-
tinuously
Intermittent: The brine pump starts approx. 20 seconds
before or after the compressor. For a ground water
system, the brine pump starts and stops 2 minutes be-
fore and after the compressor respectively.
Continuous: Continuous operation.
NIBE S1155PC