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DN-Series Integrated Programmable Controls
DOAS
TEMPERING CONTROL
The heating status can be monitored in the
Unit Status
. The screen shows:
u
Heating Control Variable which will be:
u
as selected if in occupied operation
u
RA for unoccupied operation
u
CA in dehumidification mode and heating is used for reheat
u
Heating setpoint which will be:
u
Occupied heating setpoint if selected adjust and in occupied operation
u
Calculated OA reset heating setpoint if selected OA reset and in occupied operation
u
Unoccupied heating setpoint if unoccupied operation
u
Reheat setpoint if dehumidification mode and heating is used for reheat
u
Whether heating enable 1 is ON
u
Command (0–100%) to Heater, where 0 = 10VDC output and 100% = 0VDC.
u
Heating Status
The heating status values are shown. Multiple values may be true.
MESSAGE
MEANING
Heat Locked Out by OA
The heating OA lockout is higher than the OA temperature.
Unocc Mode
Unit is in unoccupied mode (BMS or scheduler).
Unocc Heat
Unit is in unoccupied heating.
Heat on for reheat
Heat on for reheating in dehumidification mode.
Dehumid Mode
Unit is in dehumidification mode.
Unit OFF
Unit is off.
6.4 COOLING
The cooling requires that cooling be enabled in the
Unit Configuration
. The cooling type can also
be set here or in the
Control Settings
.
