Nibe ERS 20-250, Installer Manual

Page: 17 / 28

Program setting of ERS 20 can be performed via the
start guide or directly in the menu system in the main
product.
Caution
See the documentation for the main product.
Start guide
The start guide appears at the first start-up after the
heat pump installation, but can also be found in menu
7.7 in the S-series and menu 5.7 in the F-Series
Menu system
S-SERIES
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 7.2.1. - Add/remove accessories
Activating/deactivating of accessories.
Select “exhaust/supply air module 1-4"”.
F-SERIES
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.
Activate: "exhaust/supply air module".
Menu 5.3.12 - exhaust/supply air module
Settings specific to ERS 20.
"Lowest extract air temp.": Set the minimum extract air
temperature to prevent the heat exchanger freezing.
The supply air fan speed reduces if the extract air tem-
perature at (BT21) is lower than the set value.
"Bypass at excess temperature": If a room sensor is in-
stalled, set the over-temperature at which the bypass
damper (QN37) must open here.
"Bypass during heating": Set here if you want to allow
the bypass damper (QN37) to open during heat produc-
tion as well.
"Months btwn filter alarms": Set how often the filter
alarm must be displayed.
"Action level monitor": If level monitor is selected, the
product issues an alarm and the fan stops when the in-
put is closed. When blocking is selected, text in operat-
ing info shows that the input is closed. The fans stop
until the input is open.
TIP
When ERS 20 is activated, the other ventilation
menus will also light up.
17 Chapter 7 | Program settings NIBE ERS 20-250
7 Program settings