VVT Zone Controller
57
Point Name/Description
Default/Range
Cooling –
(Occupied or Unoccupied, depending on mode) The current programmed
Cooling
R:
setpoint adjusted by any offset that may be in effect.
0 to 120°F
Learned cooling capacity
– The cooling capacity learned by Learning Adaptive Optimal Start
that is required to bring the space temperature down to the occupied cooling setpoint prior to
the occupied time.
Learned heating capacity
– The heating capacity learned by Learning Adaptive Optimal Start
that is required to bring the space temperature up to the occupied heating setpoint prior to the
occupied time.
Min Setpoint Separation
D:
– Minimum separation that must be maintained between the heating
and cooling setpoints.
R:
4°F
2 to 10°F
Optimal Start
– The earliest time, prior to occupancy, at which the Optimal Start function may
begin to adjust the effective setpoints to achieve the occupied setpoints by the time scheduled
occupancy begins. Enter 0 to disable Optimal Start.
NOTE
Optimal Start is automatically disabled when
Properties
>
Equipment
>
Maintenance
>
Occupancy
>
BAS On/Off
is set to either
Unoccupied
or
Occupied
D:
.
R:
1 hr
0 to 4 hr
Optimal Start Type
– The method used to change from unoccupied to occupied setpoint.
Options:
None*
– Unit will not change to occupied setpoint until the scheduled time or the unit goes into
an occupied mode. Setpoints do not ramp, but change immediately from unoccupied to
occupied values.
Temp Compensated*
– Unit changes to occupied setpoints at a variable time prior to the
occupied time, which is calculated by the current error between space temperature and the
appropriate heating or cooling setpoint. At that time, the setpoints do not ramp, but change
immediately from unoccupied to occupied values.
Learning Adaptive Start
– Unit gradually changes to occupied setpoints by adjusting the
unoccupied setpoints over a specified period of time to achieve the occupied setpoint by the
time scheduled occupancy begins.
*
When selecting
None
or
Temp Compensated
D:
, you MUST set all Learning Adaptive Optimal
Start transition factors to 0.
R:
Temperature
Compensated
None
Temperature
Compensated
Learning Adaptive
Heat Start K factor (min/deg)
– If
Optimal Start Type
is
Temp Compensated
D:
, this is the time in
minutes per degree that the equipment starts before the occupied period when the space
temperature is below the occupied heating setpoint (including any setpoint offset).
R:
15.00
0 to 99
Cool Start K factor (min/deg)
– If
Optimal Start Type
is
Temp Compensated
D:
, this is the time in
minutes per degree that the equipment starts before the occupied period when the space
temperature is above the occupied cooling setpoint (including any setpoint offset).
R:
15.00
0 to 99
Standby Offset
D:
– The value by which the occupied setpoints are expanded when the space
occupancy sensor indicates that the space is unoccupied. If 0, the unoccupied setpoints are
used.
R:
0°F
0 to 15°F
Occupied RH Control Setpoint
– If
Optional Sensor Type
is set to
RH Sensor
and
RH Control
is
set to
Enable
, this is the relative humidity setpoint during occupancy. The air source mode must
be
Cool
or
Vent
and the terminal mode must be
Cooling
or
Vent
D:
before the dehumidification
function can be active.
R:
65%rh
0 to 100%rh
DCV Start Ctrl Setpoint
– If
Optional Sensor Type
is set to
IAQ Sensor
and
DCV Control
is set to
Enable
D:
, this is the value that the CO2 sensor must exceed to begin the DCV control function.
This value should be set to approximately 75 ppm above the outdoor air CO2 level.
R:
500ppm
0 to 9999 ppm
Содержание OPN-VVTZC
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