415005 Topvex TR Operation and Maintenance Instructions
Topvex TR800, TR1300, TR1800, TR4000
Operation and Maintenance Instructions
Systemair Inc.
22
Main menu item Sub-menu item 1 Sub-menu item 2 Explanations
→ C02/VOC 
Control
C02/VOC active
Never
Type: Fan
Min. time: 60 
min
In applications with varying 
occupancy the fan speeds can 
be controlled by the air quality 
as measured by C02/VOC-
sensor. See encl. corrigo manual 
(CD) for det. explanation
Set active to Never, Always 
or If time channel off.
Set what should be regulated. 
Select type Fan
Set the min. time the unit is 
activated by the C02/VOC 
demand function
Activation 
level
1/2-speed: 800 
ppm
1/2-speed: 
1000 ppm
diff: 160 ppm
Set the activation level as 1/2 
speed
Set the activation level as 1/1 
speed
Set allowed diff. value
→ Humidity 
control
Humidity 
control
Not active
Start limit: 
15%
Stop limit: 5%
Set the humidity control to 
Humid/Dehumidication, 
Dehumidication, 
Humidication or Not 
active.
Set the start limit and stop limit 
in %RH
Applicable for external 
Humidication or 
Dehumidication device.
→ Exchanger 
frost prevention
Mode:
Off
Type:
Recirculation
Continue 
exhausting 
during 
recirculation:
NO
Set mode to ON or OFF
Set Type to Recirculation or 
Exhaust Only
Set exhaust air fan and exhaust 
air damper operation for 
recirculation to Yes  or No.
→ Cooling 
recovery
Cooling 
recovery
No
Cooling limit:
35.6°F
Set the cooling recovery to Yes  
or No.
Set the cooling limit (the 
difference in temperature 
between extract air and outdoor 
air that activates the cooling 
recovery).
→ Access rights → Log on Log on
Enter password
xxxx
Actual level: 
None
Log on to service level by 
entering a 4-digit code. After 
reaching the desired level go 
back with “LEFT” arrow (press 2 
times) on the control panel.
Standard code from factory to 
enter service level is 2222. Back 
to operator level: 1111










