Temperature supply air °C
Step 1
Step 2
Step 3
Temperature exhaust air °C
Difference
Break point
::::
SUPPLY AIR REG
SUPPLY AIR TEMP 21 °C
RET PROG
::::
EXHAUST AIR REG
EXHAUST AIR TEMP 21 °C
SA MIN/MAX 15/40°C
RET PROG
7.4 Temperatures
7.4.1 ERS regulation
Exhaust air temperature Related Supply air regulation
(ERS). This means that the supply air temperature is
regulated in relation to the exhaust air temperature.
GOLD is intended mainly for this type of regulation.
Choose step 1, 2 or 3 according to diagram to the right.
OFF/ON–DIFF is the difference which the supply air
temperature shall be below the exhaust air temperature
below the break point in the diagram to the right. The
diagram is drawn for 3°C DIFF.
The BREAK POINT is the point in the diagram from where
the steps starts. It is defined from the exhaust air
temperature. In the diagram, the breakpoint is 22°C.
7.4.2 Other regulation types
Change of regulation form to EXHAUST AIR
REGULATION or SUPPLY AIR REGULATION is carried
out in alteration mode where button three steps around
between the regulation forms, "EA - R", "SA - R", and "ERS
- R".
When PROG is pushed, the different values will flash.
They are then possible to alter with button 1 and 2, which
then shows + or - in the display.
7.4.2.1 Exhaust air regulation
EXHAUST AIR TEMP is the desired temperature in the
exhaust air duct.
SA – MIN is the lowest temperature and SA – MAX is the
highest temperature allowed for supply air when the
regulation tries to keep exhaust air constant.
7.4.2.2 Supply air regulation
SUPPLY AIR – TEMP is the desired temperature in the
supply air duct.
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