VSC OPERATION AND MAINTENANCE INSTRUCTIONS 4 118 0324 2 IOM

12
Topvex FC
Compact Air Handling Unit
Operation and Maintenance Instructions
Document in original language
125918-EN_GB
2015-03-16 A001
Operation and Maintenance Instructions
Systemair AB
Main menu item Sub-menu item 1 Sub-menu item 2 Explanations
→Temperature
Extract air
temp
Actual: ºC
Setp: 22.0ºC
Congured temperature control
(default is Extract air temp).
Actual temperature in the chosen control
mode.
Temperature for the chosen control mode.
If cascade
control
Max/min supply
setp.
Max: 30ºC
Min: 14.0ºC
Set the maximum and minimum allowed
supply air temperature in case of cascade
control.
Logon to service level needed to
change settings.
Outdoor temp:
ºC
Supply air temp
Act.: ºC
Setp: 18ºC
Neutral zone 0.0
°C
Actual outdoor air temperature.
Actual supply air temperature.
Calculated supply air set point.
The exhaust air controller output signal
generates the supply air controller’s set
point value.
A neutral zone can be set around the set-
point value.
Frost
protecon
Actual: ºC
Actual water temperature in the water hea-
ting battery. (Only visible for HW units).
Eciency
exch.
Actual: %
Output
exchanger
Actual: 100%
Actual heat recovery e󰀩ciency.
The function calculates the heat exchan-
gers temperature e󰀩ciency in % when the
output signal to the exchanger is higher
than 5% and the outdoor temperature is
lower than 10° C.
E󰀩ciency calculated from the Outdoor,
Extract and E󰀩ciency air temperature.
When the control signal is lower than 5% or
the outdoor temperature is higher than 10°
C the display will show 0%.
Status of the exchanger output.
Temp for
calculaon
eciency
Act: NaN C
Presented temperature for supply air e󰀩ci-
ency calculation.
→Air Control
This menu option becomes visible if the
unit is congured for „Flow control“ or „Pre-
ssure control“.