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User’s Manual
16
SETTINGS
TEMP. REGULATOR
Supply T
max
– setting for the upper limit of supply air
temperature
▪
Low limit: 20°C
▪
High limit: 50°C
▪
Default: 40°C
Supply T
min
– setting for the lower limit of supply air temperature
▪
Low limit: 0°C
▪
High limit: 30°C
▪
Default: 15°C
Min.cooling temp.
- lower limit for activating the cooling.
When the external teperature falls below the limit, the cooling
functionality is disabled and the unit can only ventilate to cool
down the room.
▪
Low limit: -10°C
▪
High limit: 20°C
▪
Default: 12°C
Heating PI / Cooling PI / Supply PI
– settings for PI regulators
in temperature control loop
▪
K
p
– gain for the regulator
▪
T
i
– integral factor for the regulator
▪
Default for heating and cooling: K
p
=1; T
i
=60s
▪
Default for supply limits: K
p
=2; T
i
=10s
Note!
The heating and cooling PI regulators refer to both heating
and cooling coils and to heat recovery devices.
The supply PI regulator is responsible for keeping the supply air
within the limits de
fi
ned by Supply T
max
and Supply T
min
.
Temp. Regulator
Supply T
max
30°C
Supply T
min
15°C
Min.cooling temp.
15°C
Heating PI
K
p
for heating
T
i
for heating
SETTINGS
DAMPERS
Settings refer to the special intake damper (anti freeze damper)
in the units VS10-15 with plate cross-
fl
ow recuperator without
bypass.
Min fresh air
– setting for the minimum fresh air ratio at full frost
protection
▪
Low limit: 0%
▪
High limit: 100%
▪
Default: 30%
Frost protection
– setting for the lower limit of the exhaust air
temperature after the PCR unit
▪
Low limit: -10°C
▪
High limit: 15°C
▪
Default: 5°C
Dampers
Min fresh air
30,00%
Frost protection
3°C
K
p
10
T
i
180
