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Delta Controls DNS-24 Скачать руководство пользователя страница 24

DNS-24, DNT-T103 & DNT-T221 Application Guide

Page 24 of 43

Document Edition 4.2

3.

VVT – [

Application

(AV12) = 2]

Function: Control of a simple VVT box with a Tri-State damper on Outputs 1 and 2 (for DNT-T103) or
an analog damper on Output 1 (for DNT-T221), and various options on the remaining outputs (of which
some options are no longer available in Release 3 firmware).

DNT-T103 I/O (Outputs 1 to 3 are Triacs)

Input AI1

Input AI2 Input AI3 Remote AV5

Output 1

Output 2

Output 3

Room Temp.

N/A

Optional OAT

Tri-State
Damper - Cool
(Open)

Tri-State
Damper - Cool
(Close)

Heating 1

Room Temp.

N/A

Optional OAT

Tri-State
Damper - Cool
(Open)

Tri-State
Damper - Cool
(Close)

Fan

Room Temp.

N/A

Optional OAT

Tri-State
Damper - Cool
(Open)

Tri-State
Damper - Cool
(Close)

None
(MUX)

DNT-T221 I/O (Outputs 1 & 2 are Analog, and Output 3 is a Triac)

Input AI1

Input AI2 Input AI3 Remote AV5

Output 1

Output 2

Output 3

Room Temp.

N/A

Optional OAT

Analog Damper
(Cooling 1)

Heating 1

Heating 2

Room Temp.

N/A

Optional OAT

Analog Damper
(Cooling 1)

Heating 1

Fan

Room Temp.

N/A

Optional OAT

Analog Damper
(Cooling 1)

Heating 1

None
(MUX)

Room Temp.

N/A

Optional OAT

Analog Damper
(Cooling 1)

None
(MUX)

None
(MUX)

Room Temp.

N/A

Optional OAT

Analog Damper
(Cooling 1)

None
(MUX)

Fan

N

OTE

:

For fan-powered boxes series fans should always be configured for continuous

operation – never intermittent or the fan could run backwards on startup. And, in order for
a parallel fan to be properly sequenced it should generally be configured as the 1st stage of
heating (and wired to OP1), rather than as a fan.

Setup Parameters

Setup Variable

Function

Notes

AV24

Damper Runtime (Tri-state or Analog)

Default of 120 seconds

AV25

N/A

AV26

Damper Minimum

Damper Minimum Position

AV27

Damper Maximum

Damper Maximum Position

AV28

PWM minimum value or Binary On Delay
(or Binary Off Delay for a Fan)

Depends on OP3 configuration

AV29

PWM maximum value or Time Proportioned
Heating Controller Limit

Depends on OP3 configuration

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Содержание DNS-24

Страница 1: ...work and have termination resistors that are jumper selectable The DNS 24 models are network sensors they have multiple onboard sensor options including temperature humidity CO2 and motion but do not...

Страница 2: ...Data exchange may be done in GCL programming in any DCU or Application Controller on the MS TP network Setup Configuration NETWORK COMMUNICATIONS On an MS TP network BACstats communicate at a default...

Страница 3: ...he Configuration Menu you do not press a button for 2 minutes the BACstat will exit the Configuration Menu and return to normal display mode 2 BUTTON NAVIGATION FUNCTIONS The Button functions are as f...

Страница 4: ...trategy and allows you to configure the outputs for your Radiant Heating application This enables the Humidity control strategy and allows you to configure the outputs for your Humidity application Av...

Страница 5: ...tom i e Setpoint Value 1 to 5 1 Disabled 2 No Setpoint until an arrow button is pressed adjustable 3 Setpoint is always displayed adjustable 4 No Setpoint until an arrow button is pressed not adjustab...

Страница 6: ...n LINKnet is On Menu Item Description The device Address 1 to 99 which is used internally as the MAC Address As the BACstat can only be a Subnet device on MS TP this address is always mapped in as the...

Страница 7: ...or you wish to move on press NEXT or PREVIOUS If at any time you do not press a button for 30 minutes the BACstat will exit Service Tool Mode and return to normal display mode Any outputs commanded m...

Страница 8: ...the box to the minimum value Displays the current Maximum Air Flow setting use the arrow keys to navigate the submenus to adjust the value force the box to the maximum value and calibrate the display...

Страница 9: ...n sensor Only available on DNS 24 models Unless inputs are multiplexed many of the input units and associated scale ranges are automatically set when a built in application is selected Also refer to p...

Страница 10: ...required AV27 Setup 4 Setup Variable 4 Name Changes As required AV28 Setup 5 Setup Variable 5 Name Changes As required AV29 Setup 6 Setup Variable 6 Name Changes As required AV30 Baud Rate Network Bau...

Страница 11: ...on board motion sensor option M the motion sensor shows up as binary input 5 The motion option is only available on the DNS M24 and DNS CHM24 The Motion sensor has a configurable latch time set in se...

Страница 12: ...ication S Service or O Other which is followed by a two digit code For example 02 05 06 10 12 47 S04 The PresentValue indicates how many items are in the log Code Description H01 EEPROM communication...

Страница 13: ...and setpoint changes based on Time of Day or other conditions WITH V3 21 FIRMWARE All GCL programming for mode changes DCU DSC or DAC data exchange and other strategies must be written in the DCU WITH...

Страница 14: ...l and associated icons are completely disabled as though no heating stages even exist 20 Cooling Lockout All cooling control and associated icons are completely disabled as though no cooling stages ev...

Страница 15: ...3 can be set to either cooling default or heating When set to cooling the air supply is treated as the first stage of cooling When set to heating the cooling controller is inverted and the air supply...

Страница 16: ...tpoint OCCUPIED Uses Day Setpoint AV6 UNOCCUPIED Uses Night Heat Setpoint AV10 if the Input is below the Night Heat Setpoint AV6 and uses the Night Cool Setpoint AV11 if the Input is above the Night C...

Страница 17: ...ng and Cooling will not be ON at the same time If the Input temperature is less than Day Setpoint Day Differential Deadband then the controller is in HEATING If the Input temperature is greater than D...

Страница 18: ...doing provides the first stage of heating Any additional stages of heating modulate open over 100 to 200 Therefore only when the Box Mode is in heating does the Controller Status AV14 modulate to a va...

Страница 19: ...he fly What follows hereafter is a working description for each of these setpoints If the particular setpoint is settable in the Configuration Menu it is indicated with its LCD text Day Setpoint AV6 T...

Страница 20: ...setpoint used internally for cooling control which is the Day Setpoint Day Differential This value is not directly adjustable It can only be adjusted by setting either the Day Setpoint or the Day Diff...

Страница 21: ...M Dir or Rev Analog Dir or Rev Analog VAV FlowDamper Tri State Actuator Tri State VAV FlowDamper Heating Stage 1 H1 Heating Stage 2 H2 Heating Stage 3 H3 Cooling Stage 1 C1 Cooling Stage 2 C2 Cooling...

Страница 22: ...Air Flow 0 to 1 N A Optional OAT Tri State Flow Damper Open Tri State Flow Damper Close Heating 1 Room Temp Air Flow 0 to 1 N A Optional OAT Tri State Flow Damper Open Tri State Flow Damper Close Fan...

Страница 23: ...1 the analog damper output 1 is used to control airflow but also requires that an appropriate runtime be set for the actuator via Setup variable AV24 In Unoccupied Deadband mode the Airflow Setpoint i...

Страница 24: ...3 Room Temp N A Optional OAT Analog Damper Cooling 1 Heating 1 Heating 2 Room Temp N A Optional OAT Analog Damper Cooling 1 Heating 1 Fan Room Temp N A Optional OAT Analog Damper Cooling 1 Heating 1 N...

Страница 25: ...is used to control damper position but also requires a runtime value set in AV24 In Unoccupied Deadband mode the damper position is set to zero Output 3 may be selected as a fan which would operate ac...

Страница 26: ...ersing Valve 0 10v None MUX Setup Parameters Setup Variable Function Notes AV24 Binary Delay Transition Timer for Compressor AV25 N A AV26 Binary Delay Transition Timer for Rev Valve AV27 N A AV28 PWM...

Страница 27: ...3 Binary Delay NOTE The analog outputs on the DNT T221 do not modulate but provide a 0 or 10v signal for the compressor and reversing valve and require interface relays for switching purposes 5 FAN CO...

Страница 28: ...r heating and cooling both become less than 1 a delay counter for stopping the fan will be started Once the delay time has expired Setpoint 28 Output 3 Binary Delay the fan output will be turned off 6...

Страница 29: ...Input AI3 Remote AV5 Output 1 Output 2 Output 3 Room Temp Optional Room Humidity Optional OAT Humidifier MUX MUX DNT H121 I O Outputs 1 2 are Analog and Output 3 is a Triac Input AI1 Input AI2 Input...

Страница 30: ...ut is connected to a constant fan 80 The associated output is connected to a manually controlled fan 90 Compressor The associated output is connected to a HPU compressor 100 Reversing Valve The associ...

Страница 31: ...s the type so 10 0 4 10 4 1 BINARY OUTPUTS If the binary output is selected as MUX it simply transfers the value written to the corresponding variable AV1 AV2 or AV3 to the physical output There is no...

Страница 32: ...puts 2 and 3 while the DNT T221 can have one stage Output 3 These are similar to the PWM outputs except The cycle time is fixed at ten seconds At a controller value of 0 the outputs are always OFF At...

Страница 33: ...ng valve is to be used cross connect the Open and Close outputs 5 FAN CONTROL There are three modes of operation Fan Type Occupied Mode Unoccupied Mode Continuous Fan ON constantly ON when the Control...

Страница 34: ...ciated runtime setting If the application is something other than VAV or VVT then both analog outputs may be configured for either heating or cooling Analog outputs for heating or cooling may be eithe...

Страница 35: ...to enable or disable access AI2 AND AI3 CONFIGURATION While AI1 is typically configured from the Configuration Menu by setting the Temperature Units setting degrees C or F additional inputs such as A...

Страница 36: ...ack on again Reload DESCRIPTORS This will reload the BACstat descriptors up into ORCAview OWS This is particularly useful if for some reason the OWS is out of sync with what objects and object names t...

Страница 37: ...limit the frequency of such commands Otherwise you will create excessive network traffic 3 COMMAND PRIORITY Both GCL programs and user commands i e manual mode have the same write priority for all ob...

Страница 38: ...in the BACstat Calibrate the BACstats locally via Service Tool Menu or use the mapped AV objects See the Objects table Do not calibrate the AI objects in the Application Controller Device Limitations...

Страница 39: ...ure Input 1 10K Thermistor Value N A AIx02 Input 2 Input 2 Available Input in DNT models N A AIx03 Humidity Input 3 Humidity H option N A Input 3 Input 3 Extra Input on DNT T221 N A AIx04 CO2 Input 4...

Страница 40: ...splay and button handling i e AVx15 1111 and program everything in GCL in the Application Controller as previously described for V3 21 firmware Or by setting the Display Code to something other than 1...

Страница 41: ...alibrate text is turned on On 0 On text is turned off 1 On text is turned on Off 0 Off text is turned off 1 Off text is turned on Time 0 Time text is turned off 1 Time text is turned on Minimum 0 Min...

Страница 42: ...es as often as you require but it is still recommended practice to use DOEVERY statements And of course you may read any object value as often as you can there is no issue with reading GCL PROGRAMMING...

Страница 43: ...ents the first hundreds digit of a 3 digit number Note that processing KeyPress values is disabled when using the Configuration or Service Tool menu Here is the list of KeyPress values If the display...

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