OSTBERG HERU LP, Assembly/Installation Instructions

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S E R V I C E M E N U : “ R H ”
Relative air humidity in percent
In this menu settings are made for regulation with installed RH sensor.
Press again and then in order to choose the ”Limit value” of boost (50%-100%).
HERU
®
EC: Press again and then in order to choose ”Ramp” ( 2-200%/h.).
At levels above the limit value the fan speed will increase according to the set Ramp value. In the example
below the fan speed will increase with 10% per hour when the relative air humidity level is higher than 70%.
HERU
®
AC (Not used): Press again and then in order to choose Interval (1-10 min.).
At levels above the limit value the fan speed will increase one step according to the set Interval value.
Current RH value is displayed in View mode 3 , see page 47.
Interval: 5 min. Interval: 5 min.
Interval: 5 min.
S E R V I C E M E N U : “ C O 2 ”
Carbon dioxide level in PPM (part per million).
In this menu settings are made for regulation with installed CO2 sensor.
Press again and then in order to choose the Limit value (500-1400 PPM).
HERU
®
EC: Press again and then in order to choose Ramp (2-200%/h.).
At levels above the limit value the fan speed will increase according to the set Ramp value. In the example below
the fan speed will increase with 10% per hour when the carbon dioxide level in the air is higher than 900 PPM.
HERU
®
AC (Not used): Press again and then in order to choose Interval (1-10 min.).
At levels above the limit value the fan speed will increase one step according to the set Interval value.
Current CO2 value is displayed in View mode 3 , see page 47.
Interval: 5 min.
Interval: 5 min.
Interval: 5 min.
Max temperature
Alarm
CO2
RH
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