Moment
Done
Note
Select the menu
Configuration-Input/Output
:
• Select
DI
• Browse to
DI4
, select.
Change the setting to
P1–Cooling
Note:
Note: DI4 cannot be used for extended run
when Topvex SoftCooler is used.
Select the menu
Configuration-Control
function
:
• Check that the setting is
Extract air control
or
Room control
Select the menu
Configuration Cooling
:
• Set DX
Set
Limit for supply air control on
active:
to 0.0°C.
Select
Configuration step con-
trollers/step contr.
cooling
:
•
Activation levels
(then scroll down)
• Select
Chiller groups
: 1
Set
Min in/out connecting time
: 1 sec
Select the menu
Configuration Cooling
recovery
:
Set
Cooling recovery
to position ON
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
3
/h
Extract air _______________m
3
/h
Start the compressor by establishing a 100% cooling
demand:
• Log in to the control unit E28 (2222)
• Select menu
Hand/Auto
• Select
Cooler type/coil
Set Cooler to
Manual output 100.0
Installation instructions
208767
19
Systemair Sverige AB
