Topvex SoftCooler SR Installation instructions CE208765 A005

16
| Commissioning protocol
Moment Done Note
Select the menu Configuration > I/O allocation
settings > Digital inputs:
• Set signal for Extended operation normal speed
to Select I/O (or to any other free DI)
• Set signal for Feedback cooling (SEQ-C) to DI4
Note:
Note: DI4 cannot be used for extended run
when Topvex SoftCooler is used.
Select the menu Data & Settings > Temperature
control > Cooling:
Set Min switch time to 1s
Set Step 1 start point to 10%
Set Step 1 stop point to 0%
Set Reduction of min limit supply air if active
DX-cooling to 0°C
8.4 Before compressor start
To avoid damage on the compressor the oil in the compressor crankcase must be heated before the first start.
Moment Done Note
Stop the Supply- and extract fan (via the Topvex air
handling units safety switch)
Turn on the mains supply for the Topvex SoftCooler via the
safety switch, make sure that the voltage is on (the display
in the frequency converter lights up) Wait for minimum 2
hours so that the oil will reach about +30° C!
8.5 Control cooling operation
Moment Done Note
Start the Supply- and extract fan (via the Topvex air
handling units safety switch). Run the unit on dimensioning
airflows.
Supply air ________________m
3
/h
Extract air _______________m
3
/h
Start the compressor by establishing a 100% cooling
demand:
• Log in with service level using password 0612
• Select menu Data & Settings > In-/Output
status > Heating/Cooling sequences
• Set Mode for Cooling to Manual
• Set Manual for Cooling to 100%
Run the compressor for at least 10 minutes.
Then read the Extract-, Outdoor- and Supply air
temperature via the display of the control unit (in the menu
Temperature).
Outdoor air temperature __________°C
Supply air temperature ___________°C
Extract air temperature __________°C
Let the compressor run.
Measure the hotgas- and liquid line temperature with a
strap-on temperature detector.
Hotgas temperature ___________°C
Liquid line temperature _________°C
208765 | A005