Delta Controls
Document Edition 3.1
Page 17 of 35
Night Heating Setpoint (AV10)
This is the setpoint used when in N
IGHT mode and night setback heating is required. If the current
temperature is below the current Day Setpoint when in N
IGHT mode, this value will be displayed on the
BACstat LCD (depending on how setpoint display has been defined by the Display Code). Please note
that this value is not adjustable either by a user or through the keypad in any Configuration or Service
menu. It can only be changed by commanding the variable (via GCL or ORCAview OWS or 3
rd
Party
devices). Pressing the up or down arrow will cycle to show the Night Cooling Setpoint.
Night Cooling Setpoint (AV11)
This is the setpoint used when in N
IGHT mode and night setback cooling is required. If the current
temperature is above the current Day Setpoint when in N
IGHT mode, this value will be displayed on the
BACstat LCD (depending on how setpoint display has been defined by the Display Code). Please note
that this value is not adjustable either by a user or through the keypad in any Configuration or Service
menu. It can only be changed by commanding the variable (via GCL or ORCAview OWS or 3
rd
Party
devices). Pressing the up or down arrow will cycle to show the Night Heating Setpoint.
CONTROL DIAGRAM (DNT-T103 and DNT-T221 Only)
The following diagram helps to provide an illustration of the relationship between the internal software
loop controller and various objects, including outputs.
Controller &
Sequencing
Input (AI1)
Setpoint (AV6)
Binary (Dir or Rev)
PWM (Dir or Rev)
Analog (Dir or Rev)
Analog VAV Flow Damper
Tri-State Actuator
Tri-State VAV Flow Damper
Heating Stage 1 (H1)
Heating Stage 2 (H2)
Heating Stage 3 (H3)
Cooling Stage 1 (C1)
Cooling Stage 2 (C2)
Cooling Stage 3 (C3)
Constant Fan Operation (C)
Intermittent Fan Operation (I)
Manual Fan Operation (M)
Output 1
Output 2
Binary (Dir or Rev)
PWM (Dir or Rev)
Time Proportioned (D or R)
Analog (Dir or Rev)
Tri-State Actuator
Tri-State VAV Flow Damper
Output 3
Binary (Dir or Rev)
PWM (Dir or Rev)
Time Proportioned (D or R)
Cooling
Heating
Fan
Algorithm Mode
(AV13)
BACstat Buttons
(or remote
command via
GCL or OWS)
∗
∗ ∗
∗ ∗
∗
∗
∗
∗ ∗
∗
∗
∗
Notes:
1.
∗
indicates the output type is only applicable for the DNT-T103.
2.
∗ ∗
indicates the output type is only applicable for the DNT-T221.
3. An analog output type for outputs 1 & 2 on a DNT-T221 when HPU has been
selected provides a 0 or
10v signal - it is not a 0 to 10v signal nor a dry contact.
4. The output functions and types that are available are dependent on the control
application selected and what was selected for the previous output.
5. This is not a comprehensive diagram and does not include all output functions.
Refer to Output Functions and Types later in this document.
Binary Fan (On/Off)
∗
∗
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