Cylon CBT-STAT Manual do utilizador - Página 19
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BALANCING PROCEDURE – CBT12iVAV
This method will auto-calculate and set the K factor P4L08 TABPriKFactor (A214).
To utilize this feature, perform the following steps on Menu Page 4: Primary Balancing.
Note:
Each parameter is shown below with its Menu page and line number, its Parameter Name and the
associated
(Setpoint Number)
1. After determining what the maximum CFM setpoint is going to be for the VAV box, set
TABPriAirManMode
2. Note the value in TABPriManStpt (A218).
3. Wait for the value of PriAirFlowCV
•
If the value of PriAirFlowCV
reading at the diffusers to get the actual CFM of the VAV box.
•
If the value of PriAirFlowCV
TABPriManStpt
reference point.
4. Set the TABPriHoodAtMax
hood.
5. Set the TABAutoCalKfactor
set back to
Strategy calculating the required K factor. It will also set the TABPriAirManMode
, and the calculated EffPriAirFlowStpt
When setting the TABPriAirManMode
Note:
on point TABPriAirManModeTimer
set to
. The default for TABPriAirManModeTimer
MAN0120US rev 16
(D204)
to
.
to a value below the value reached by PriAirFlowCV
(A218)
(A245)
(D151)
. This will automatically set the TABPriKFactor
(A217)
© Cylon Controls Ltd.
(A194)
to stabilize, then:
(A194)
reaches the value noted in step 2, get a hood
doesn't reach the value noted in step 2, set
(A194)
to the actual CFM reading that was recorded utilizing the
to
. It will stay
for 4 seconds then automatically be
(A197)
will go back to normal operation.
(D204)
to
, it will stay on until the time entered
has expired, unless TABAutoCalKfactor
(A217)
is 600 seconds or 10 minutes.
(A194)
(A214)
internally, through the
(D204)
to
(D151)
is
as a
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