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VAV-Universal, dynamic (VAV-Control)
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Comfort zone |
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Laboratory |
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Industrial zone |
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VAV: V'min...V'max |
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CAV steps: V'min / V'max |
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Override functions: OPEN / CLOSE / V'min / V'max |
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Operating volumetric flow setting V’min / V’max |
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ZTH EU /
potentiometer |
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Settings and parameters, diagnostic functions (test, trend, logging,
etc.) via the built-in service socket or, if not
directly accessible, from
the control cabinet, floor distributor, etc. |
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ZTH EU
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Bus integration |
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via I/O |
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| Pressure sensor |
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Integrated, dynamic -20...600 Pa |
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| Operating range of VAV controller |
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2...300 Pa |
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| Nominal voltage |
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AC / DC 24 V |
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| Display |
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LEDs for 24 V supply and states |
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| VAV application |
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0...10 / 2...10 V |
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| CAV application |
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CAV contacts, switches |
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| LONWORKS integration |
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Via I/O |
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| EIB/Konnex integration |
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Via I/O |
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| Actuator |
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External, pluggable |
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| Settings, diagnostics |
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Locally or via control cabinet |
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ZTH EU /
potentiometer |
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VAV actuators for VRD.. controllers
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Torque |
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4 Nm |
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5 Nm |
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10 Nm |
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20 Nm |
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Function |
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Rotary actuator 0...95° |
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Spring return actuator 0...95° |
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Safety function |
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Safety position OPEN or CLOSE |
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Adaptation |
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Adaptation of the control range
to the damper angle of rotation |
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Display |
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LED displays for 24 V supply and status |
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Running time |
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VAV logic |
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Supply |
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From VRD.. controller |
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Connection |
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Pluggable, preassembled plug |
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