VTR 100B LITE Installation and Service manual v2

Operation
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37
Menu Level 1 Menu Level 2 Menu Level 3 Explanation
Fan control
Airflow
Airflow %
Nom
High
Low
EF
66
100
33
SF
66
100
33
Use this dialogue frame to set
the airflow in %. The airflow can
be set individually for each fan
EF: Extract fan,
SF: Supply fan
Set the airflow for EF and SF for
each step (Low, Nom, and High.
Functions
Manual fan stop
Manual fan stop
Allow manual fan stop Y/
N
Set if it should be possible to
turn off the fans in the unit
manually from the control panel.
Chose between Y and N.
If Y is selected the fans can be
turned off by turning the
SELECTION knob to empty fan
Functions
Analog input
Analog input
1: SS 20.0
2: ETS 23.0
3: Unused/PHS
4: Unused/OT/FPS 20.0
5: OS 10.5
6: RH 0%
Shows analogue inputs from
active temperature sensors.
SS: Supply air temp sensor.
ETS: Extract air temp sensor.
PHS: Preheater sensor.
FPS: Frost protection sensor.
OS: Outdoor air temp sensor.
OT: Overheat protection sensor.
RH: Relative humidity sensor.
Functions
Analog output
Analog output
A01 auto/man/off
A02 auto/man/off
A03 auto/man/off
Shows current analogue outputs
in 0–10 V to hot/cold water
actuator or electrical re-heater
and rotor drive / bypass damper.
Set AO1(Analogue output to hot
water actuator or electrical re-
heater) to auto, man or off.
Default value: auto.
Set AO2 (Analogue output to
cold water actuator) to auto,
man or off.
Default value: auto.
Set AO3 (Analogue output to
rotor drive or bypass damper) to
auto or man. Default is auto.
Selecting man enables the user
to manually control the actuator/
damper with a 0–10 V signal. 0 V
completely closed and 10 V
completely opened actuator/
bypass damper.
Functions
Digital input
Digital input
DI1 ON/OFF
DI2 ON/OFF
DI3 ON/OFF
DI4 ON/OFF
DI5 ON/OFF
DI6 ON/OFF
DI7 ON/OFF
Shows current status of the
digital inputs ON or OFF
DI1: Fan configuration
DI2: Fan configuration
DI3: Fan configuration
DI4: Heater deactivated
DI5: Extended/forced running
DI6 for rotating heat exchanger:
Rotor sensor
DI6 for counter flow heat
exchanger:
Bypass damper limit switch
DI7: Home/leave
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