Topvex SoftCooler TR Installation instructions CE208767 A006

ManualsBrandsSystemair ManualsAir Handling UnitsTopvex SoftCooler TR15-L - Refrigerant R-410A

Table Of Contents

Commissioning protocol |

Moment Done Note

Select the menu Configuration > Functions >

Temperature control:

• Set Cooling recovery mode to On

Select the menu Configuration > I/O allocation

settings > Digital outputs:

• Set Signal for Step controller 1 step 1 to DO4

• Set Signal for Step controller 1 step 2 to DO5

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 60 s

• Set Step 1 start point to 10%

• Set Step 1 stop point to 0%

• Set Step 2 start point to 10%

• Set Step 2 stop point to 5%

• Set Reduction of min limit supply air if

active DX-cooling to 0 °C

8.4 Before first 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

working 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

Extract air _______________m

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

208767 | A006