YOKOGAWA UT Advanced UT32A, Руководство пользователя

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8-18
IM 05P01D31-01EN
When both the Heating Side and Cooling Side are in ON/OFF Control:
The following shows the operation example.
50%
ON
ON
Cooling-side hysteresis (HYSc)
Neutral (OFF)
Heating-side hysteresis (HYS)
Positive dead band (DB)
Dead Band (DB)
In Heating/cooling control, the positive dead band denotes the zone where none of the
heating-side and cooling-side outputs are presented. The negative dead band denotes
the zone where both of the heating-side and cooling-side outputs are presented.
0 0
50
50
0
0
Negative dead band
Cooling-side
output
Cooling-side
output
Heating-side
output
Heating-side
output
Output (%)
100
Output (%)
100
Positive dead band
100(%)
100(%)
Value of control output before split into
heating- and cooling-side outputs
Value of control output before split into
heating- and cooling-side outputs
8.2 Setting Control Type (CNT)