Cool Only Control - Brainchild BTC-2500 User Manual

3 6 Cool Only Control

3 6 Cool Only Control
ON-OFF control, P ( PD ) control and PID control can be used for cool control. ON-OFF control, P ( PD ) control and PID control can be used for cool control.
Set OUT1 to DIRT ( direct action ). The other functions for Set OUT1 to DIRT ( direct action ). The other functions for
control, control, cool only P ( PD ) cool only P ( PD )
descriptions in section 3-5 for heat only control except that the output variable descriptions in section 3-5 for heat only control except that the output variable
( and action ) for the cool control is inverse to the heat control, such as the ( and action ) for the cool control is inverse to the heat control, such as the
following diagram shows: following diagram shows:
V
S 1+O1HY/2
S 1
S 1 O1HY/2
OUT1 Action
ON
OFF
Refer to section 3-5 in which similar descriptions for heat only control can be Refer to section 3-5 in which similar descriptions for heat only control can be
applied to cool only control. applied to cool only control.
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control and control and cool only PID cool only PID
Dead band = O1HY
Time
Time
cool only ON-OFF cool only ON-OFF
control are same as control are same as
UM25001C
Setup Cool Control : Setup Cool Control :
OUT1 = OUT1 =
Figure 3.3 Cool Only Figure 3.3 Cool Only
ON-OFF Control ON-OFF Control