If the unit has an anti-freeze function and/or solar panel
cooling you can activate them here. When the function
has been activated, you can make settings for them.
freeze protection
anti-freeze temperature: Here, you can set the temper-
ature in the solar panel at which the circulation pump is
to start to prevent freezing.
solar panel cooling
start solar collector cooling: If the temperature in the
solar panel is higher than this setting, at the same time
as the temperature in the solar tank is higher than the
set maximum temperature, the external function for
cooling is activated.
See the accessory installation instructions for function
description.
MENU 5.3.6 - STEP CONTROLLED ADD. HEAT
start diff additional heat
Setting range: 0 – 2000 DM
Default values: 400 DM
diff. between additional steps
Setting range: 0 – 1000 DM
Default values: 30 DM
max step
Setting range
(binary stepping deactivated): 0 – 3
Setting range
(binary stepping activated): 0 – 7
Default value: 3
binary stepping
Setting range: on/off
Factory setting: off
Make settings for step controlled addition here. Step
controlled addition is for example an external electric
boiler.
It is possible, for example, to select when the additional
heat is to start, to set the maximum number of permit-
ted steps and whether binary stepping is to be used.
When binary stepping is deactivated (off), the settings
refer to linear stepping.
See the accessory installation instructions for function
description.
MENU 5.3.8 - HOT WATER COMFORT
activating imm heater
Setting range: on/off
Factory setting: on
activ. imm heat in heat mode
Setting range: on/off
Factory setting: off
activating the mixing valve
Setting range: on/off
Factory setting: off
outgoing hot water
Setting range: 40 - 65 °C
Default value: 55 °C
mixing valve amplifier
Setting range: 0.1 – 10.0
Default value: 1.0
mixing valve step delay
Setting range: 10 – 300 s
Default values: 30 s
Make settings for the hot water comfort here.
See the accessory installation instructions for function
description.
activating imm heater: The immersion heater is activated
here, if installed in the water heater.
activ. imm heat in heat mode: Activate here whether
the immersion heater in the tank (requires the above
alternative to be activated) is to be permitted to charge
hot water, if the compressors in the heat pump are pri-
oritising heating.
activating the mixing valve: Activated if mixer valve is
installed and it is to be controlled from F1355. When
the option is active, you can set the outgoing hot water
temperature, shunt amplification and shunt waiting time
for the mixer valve.
outgoing hot water: Here, you can set the temperature
at which the mixer valve is to restrict hot water from
the water heater.
NIBE F1355Chapter 3 | Control - Menus40
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