Connection Variants; Device Functions; Factory Settings - ZILA KST-20 Vento Mounting And Operating Instructions

Climate Controller KST-20 Vento | KST-20 Vento/CO2 | KST-20 Vento/RN
Key to abbreviations:
KL 1: Power supply 230V AC
KL 2 and KL 3: 230 V Switching outputs
KL 4: 0...10 V Control outputs
KL 5: Potential-free output
Fi und Fa: Climate sensor connections
L, L1, L2 Phase
N Zero
PE Protective earth
PF1, PF2 Potential-free contact
0-10 0...10 V DC analogue output
GND Ground
Connector:
To use the potential-free output,
please use the supplied 2-pole
plug. The plug for terminal block 4
can only be used as an alternative
to terminal block 3. Replace if
necessary.
The supply air and return air
elements are switched with the
same unit logic, so that the
connections L1 and L2 of KL 2 and
KL 3 are connected in the unit.

5.2. Connection variants

The possible connection combinations that can be
used in the three different operating modes are
shown below. The detailed wiring diagrams can be
found at the end of this manual.
1-stage fan for supply air
and exhaust air
1-stage fan and window
opener
1-stage fan and
condensation dryer or
cooling unit
2-stage fans for supply air
and exhaust air
Speed-controlled fans for
supply air and exhaust air
Speed-controlled fans
and window openers
Speed-controlled fans
and condensation dryer /
cooling unit
– Unsupported connection variant

6. device functions

6.1. Factory settings

If the MODE button is pressed when the instrument
is switched on, the instrument changes to the
factory settings. The following values are set:
• Operating mode: Dehumidify
• Actuation: 1-stage fan
• Parameters are set to default settings
You can then set the respective duration for the
dehumidification operating mode, with which the
actuators remain switched on or off.
Use the "right arrow" button to skip this setting and
exit the factory settings menu.
With the ENTER key you change the menu level and
can change the settings one after the other for the
active time and passive time between 10 and 60
minutes.
Handbook Version: ENG_05052020_ANHU_KST20VENTO|
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