VSC OPERATION AND MAINTENANCE INSTRUCTIONS 4 118 0324 2 IOM

22
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
Outd. temp night
High: 15.0°C
Low: 5.0°C
Room temp min. 18°C
Set the upper outdoor night temperature
limit for the activation of the free cooling
function.
Set the lower outdoor night temperature
limit for the activation of the free cooling
function.
Set the lower room temperature limit. The
temperature needs to be above this value
for the free cooling function to stay active.
If no room sensor are connected extract air
is valid.
Hour for
start/stop
Free cooling
Start: 0
Stop: 7
Set the start and stop time for the free
cooling function
For example Start: 0 and Stop: 6 means
that the free cooling sequence is active
between 00.00 and 06.00 h.
Time to block
heat output
aer Free
cooling
60 min
Set the delay in minutes from the time whe-
re the free cooling sequence has stopped
until a possible heating sequence is
initiated, i.e. how long a cooler room
temperature than set temperature can be
accepted
Fan output when
free cooling
SAF: 0 %
EAF: 0 %
Set the fan speed in percentage of the nor-
mal speed for each fan individually during
the free cooling sequence
Outdoor sensor
placed in intake
channel (intake duct)
No
Set if the outdoor sensor is placed in the
intake duct or not.
Choose between No and Yes
Preset is No.
→ Support
control
Support control
Acve: No
EAF running
during Support
contr.: Yes
When using the control function room con-
trol or extract air temperature control, it is
possible to utilize support-heating and/or
support-cooling. Minimum running time is
settable 0…720 minutes (factory setting 20
minutes). Choose between “Active: Yes or
No”.
(For start and stop temperatures
see the „Temperature“ menu)
Min. run me
for support
ctrl: 60 min
Set the minimum running time in minutes
for support control