Activating ERS 20 can be performed via the start guide or
directly in the menu system.
Caution
Also see the Installer Manual for the main product.
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 -SYSTEM SETTINGS
Activating/deactivating of accessories.
Select: "exhaust/supply air module".
MENY5.3.12- EXHAUST/SUPPLY AIR MODULE
months btwn filter alarms
Setting range: 1 – 24
Default value: 3
lowest extract air temp.
Setting range: 0 – 10 °C
Default value: 5 °C
bypass at excess temperature
Setting range: 2 – 10 °C
Default value: 4 °C
bypass during heating
Setting range: on/off
Factory setting: off
cut-out val. exh. air temp.
Setting range: 5 – 30 °C
Default value: 25 °C
product
Setting range: ERS S10, ERS 20/ERS 30
Factory setting: ERS 20 / ERS 30
action level monitor
Setting range: off, blocked, level monitor
Default value: level monitor
months btwn filter alarms: Set how often the filter alarm is
to be displayed.
lowest extract air temp.: Set the minimum extract air tem-
perature to prevent the build-up of ice on the heat ex-
changer. The supply air fan speed reduces, if the extract air
temperature (BT21) is lower than the set value.
bypass at excess temperature: If a room sensor is installed,
you set the over-temperature at which the bypass damper
(QN37) will open here.
bypass during heating: Activate whether the bypass damper
(QN37) will also be allowed to open during heat production.
cut-out val. exh. air temp.: If no room sensor is installed, you
set the exhaust air temperature at which the bypass damper
(QN37) will open here.
product: Here, you set which ERS model is installed.
action level monitor: ERS 20 has a built-in level monitor;
therefore, select "level monitor" in the menu. When the input
is interrupted, the installation issues an alert and the fans
stop until the input is open.
TIP
When ERS 20 is activated, the other ventilation
menus will also light up.
35Chapter 17 | Activating ERS 20NIBE ERS 20-300
F
Activating ERS 20
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