Pressure Inputs" "Filter Measurement - OSTBERG SAU EC Series Assembly/Installation Instructions

SERVICE MENU: "PRESSURE INPUTS"
If a pressure sensor is installed a compatible range should be set;
-50/+50 Pa; 0/100 Pa; 0/150 Pa; 0/300 Pa; 0/500 Pa; 0/1000 Pa; 0/1600 Pa or 0/2500 Pa.
The signal from the pressure sensor is 0-10 V DC.
ENTER
If filter switches are installed these can be activated in this meu.
If "None" is set, the filter measurement is automatically activated.
ENTER
SERVICE MENU: "FILTER MEASUREMENT"
Filter measurement SAU EC without CPC: Filter measurement becomes active when "Filter control" is selected
in "Pressure inputs" menu. If filter guard is installed and activated, weekday and time is set when the unit should
boost to measure the pressure drop in filter.
SAU EC with CPC: Filter measurement becomes active if the analog pressure sensor is selected and CPC
(Constant Pressure Control) is activated, and benchmarks are set and saved. Alarm is displayed when the bench-
marks and increased fan speed exceeded set value. In this case with 15% to keep constant pressure in duct. It is
possible to choose 5-50% increased speed or "Off" to disable.
ENTER
If filter guard is installed and activated, weekday and time is set when the unit should boost
to measure the pressure drop in filter (GP1).
If "Off" is selected, no filter measurement
is done, but Filter timer with set
service period applies.
See Service menu "Alarm".
ENTER
ENTER
DOWN DOWN
ENTER
DOWN DOWN
ENTER
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ENTER
UP UP
DOWN DOWN
ENTER
UP UP
DOWN DOWN
ENTER
UP UP
DOWN DOWN
DOWN DOWN
ENTER
DOWN DOWN
ENTER
UP UP
DOWN DOWN
ENTER
UP UP
DOWN DOWN