Kmc-controls BAC-8007 Installation Guide Bedienungsanleitung Seite 68

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loop is at 50%, the reheat output is On for 5 seconds and Off for 5 seconds. If
the Reheat loop is less than 10%, the reheat output remains at zero.
See the topic Time proportional reheat on page 53 for an application drawing.
Illustration 7–5 Time proportional reheat operation
Room temp increase
HTG SP-2F
HTG SPAN
loop %
0
100
10
HTG %
Reheat
Floating reheat
If the controller is configured for floating reheat, it controls two binary triac
outputs to drive the inputs of a tri-state actuator connected to a valve. If the
Reheat loop is less than 30%, the valve is driven closed. If the loop is greater
than 70%, the valve is driven open. If the loop is in between 30% and 70%, no
valve action is taken.
See the topic Floating reheat on page 54 for an application drawing.
Illustration 7–6 Floating reheat operation
HTG %
DRIVE
OPEN
DRIVE
CLOSED
loop %
0
100
70
Reheat
30
HTG SP
HTG SPAN
-2F
Room temp increase
NO ACTION
Section 7: Sequences of operation SimplyVAV
68 Revision E
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