Mydtcstore MAXDTC2-BT Manuel utilisateur

MAXDTC-BTFamilyUserManual

Description

The MAXDTC-BT is a fully programmable industrial temperature controller. The

controller is configurable and monitorable thru a Bluetooth connection from your Android

bluetooth enabled smartphone or tablet. The MAXDTC6-BT can run 6 independent

programmable temperature control rules. The MAXDTC2-BT can run 2 programmable

temperature control rules. All controllers have FLASH memory for saving and restoring

configuration after power loss.

The controllers have either 2 or 6 external temperature sensor inputs (-40F - 300F / -40C

- 150C) and 2 or 6 dry relay contact outputs (120/240VAC @ 3A, 0-30VDC @ 3A) for switching

MAXDTC-BT User Manual - Rev A www.mydtcstore.com 1

both AC and DC loads depending on model. The controllers are din rail mounted and powered

by 12VDC. They have gray ABS enclosures and screw terminal for all connections.

Applications

● Differential Heating and Cooling (Solar hot water heating, root cellar cooling, attic

cooling)

● Industrial Heat and Cool Thermostat/Alarming (-40F - 300F / -40C - 150C setpoints)

● Outdoor Reset Control for Wood Boilers, with programmable one shot restart timer

● Multi Input/Output Industrial Temperature Alarming

● Remote control of all outputs from smart phone with one shot timer capability.

● Greenhouse / hydroponics temperature control and alarming

Device Capabilities

Number of Control Rules Supported

MAXDTC2-BT

MAXDTC6-BT

Differential Temperature Control

(Solar Heating or Root Cellar / Attic Cooling)

(2 Inputs / 1 Output)

Thermostat (Heat or Cool) (-40 - 300F range)

(1 Input / 1 Output)

Outdoor Reset Control (wood stove boiler)

(2 Inputs / 1 Output)

Periodic Timer

(0 Inputs / 1 Output)

Manual On/Off

Time Controlled One-Shot

Boiler Reset / Remote Control Timed Run

MAXDTC-BT User Manual - Rev A www.mydtcstore.com 2

Controller Specifications

Specifications

Relay Outputs: 0-240VAC/ 0-30VDC, 3 amps

Temperature Inputs: -40F - 300F Range, NTC 10K thermistor 1%

Power Input Voltage: 12vdc nominal (10.8V - 14V)

Power Input Current: 40mA + 16.7ma per active relay

Mounting: DIN RAIL

Indicator: Green LED

Communication: Bluetooth 2.0, Range: ~50ft line of site (nominal)

Configuration Memory: Non-Volatile, power fail safe

Enclosure / Size:

MAXDTC2-BT:

ABS/PC Blend, Gray, 1.429" L x 3.551" W (36.30mm x 90.20mm) X 2.264" (57.51mm)

MAXDTC6-BT:

ABS/PC Blend, Gray, 2.795" L x 3.551" W (70.99mm x 90.20mm) X 2.264" (57.51mm)

MAXDTC-BT User Manual - Rev A www.mydtcstore.com 3

Installing a Bluetooth Terminal Program

In order to communication with the MAXDTC-BT controllers, you will need to load a Bluetooth

Terminal program on your android smartphone or tablet. The program is free and can be

downloaded for the Google Play Store.

The program that works best is Bluetooth Terminal HC-05 from mightyIT.

You can search for it and download it from the Google Play Store. Here is a link for it as well:

https://play.google.com/store/apps/details?id=project.

bluetoothterminal&hl=en

First Connect to Bluetooth

with Android

Before you can connect to the controller via the

Bluetooth Terminal HC-06 program, you need to

connect to the controller via the Bluetooth settings on

your phone. You can navigate to the Bluetooth

settings screen by going to Settings then selecting

Bluetooth. Once here, have the phone or tablet

check for available devices. You will want to have

the controller powered up for a minute before doing

this. When you scan for available devices, you should

be able to find the controllers onboard bluetooth device

which shows up as HC-06 or BT04-A. Once you see

this, go ahead and select it to connect to the device.

Once your phone has found and connected to the

controller in this way, you are ready to connect to the

controller with the Bluetooth Terminal HC-05

application.

MAXDTC-BT User Manual - Rev A www.mydtcstore.com 4

In the bluetooth settings go ahead and pair with the discovered HC-06 device. You will need to

enter a password to do this. The password for the HC-06 and BT04A bluetooth is 1234.

After pairing with the controllers bluetooth, you are ready to connect to it with the terminal

application program.

Assuming you have loaded the serial terminal program, go ahead and run the Bluetooth

Terminal HC-05 application..

MAXDTC-BT User Manual - Rev A www.mydtcstore.com 5

Here is the Bluetooth terminal application on one of the startup screens on the phone. When

you run it you should see a connection choice for HC-06 or BT04-A like below if your have

connected with the phone’s bluetooth settings previously.

After running the app it will show you a list of paired devices. Select the HC-06/BT04-A device.

Once selected, the smartphone will attempt to connect to the controller. It should flash a

connecting / connected message and take you to the terminal screen like shown below.

Go ahead and tap the enter command tab and hit an ‘s’ and then the Send button. The

controller should respond with a Status display and the main menu. At this point you can

monitor and configure your controller thru the application.

MAXDTC-BT User Manual - Rev A www.mydtcstore.com 6

Configuring the Controller

Differential Heating and Root Cellar Modes (DIFF / ROOT)

These modes are used for solar hot water and air heating and root cellar or attic cooling. DIFF

mode is used for heating. ROOT mode is used for differential cooling applications like root

cellars..

Configure Differential or Root Cellar Menu Descriptions

Value

Range

Select Output to Configure (1-6):

1-6

Select Control Mode: 0-OFF, 1-ON, 2-HEAT, 3-COOL, 4-DIFF

5-ROOT, 6-RESET, 7-CYCLIC

4-5

Select Collector Temp Sensor (1-6):

(ROOT Mode) Select Outside Temp Sensor (1-6):

1-6

Select Storage Temp Sensor (1-6) or (Root Mode) Select Cellar Temp Sensor (1-6):

1-6

Enter DeltaT TurnOn Degrees (1-99):

1-99

Enter DeltaT TurnOff Degrees (1-99):

1-99

Enter Max Tank Temp (0-255) or (Root Mode) Enter Min Cellar Temp (0-255):

0-255

Enter Freeze Protection? (1-yes, 0-no) or (ROOT Mode: None)

0-1

MAXDTC-BT User Manual - Rev A www.mydtcstore.com 7

Outdoor Reset Mode (RESET)

Outdoor reset mode is used to automatically adjust the setpoint for a wood boiler based on

outdoor temperature. The controller will automatically adjust the setpoint higher when the

outside temperature gets very cold as well as reduce the setpoint when the outdoor temperature

warms up. This reduces wood consumption and enhances comfort.

Reset_setpoint = 70 + ( ( 70 - Outside Temp ) * SLOPE / 10) - Fahrenheit

Reset_setpoint = 21 + ( ( 21 - Outside Temp ) * SLOPE / 10) - Celsius

Here is a link to a spreadsheet for comparing calculated setpoints vs outside temperature and

the slope setting:

https://docs.google.com/spreadsheets/d/1uj_T8KyJOKdhtVgsXukm8cQ8C06riTzFjORUtoDk3Fk

/edit?usp=sharing

Configure Outdoor Reset Menu Descriptions

Value

Range

Select Output to Configure (1-6):

1-6

Select Control Mode: 0-OFF, 1-ON, 2-HEAT, 3-COOL, 4-DIFF

5-ROOT, 6-RESET, 7-CYCLIC

Select Outside Ambient Temp Sensor (1-6):

1-6

Select Boiler Temp Sensor (1-6):

1-6

Enter Slope Value (x10) (1-99):

1-99

Enter Reset Hysteresis (1-99):

1-99

Enter Maximum Boiler Temp (0-255):

0-255

Enter Minimum Boiler Temp (0-255):

0-255

MAXDTC-BT User Manual - Rev A www.mydtcstore.com 8

Thermostat Heat and Cool Modes (HEAT / COOL)

Configure COOL / HEAT Thermostat Menu Descriptions

Value Range

Select Output to Configure (1-6):

1-6

Select Control Mode: 0-OFF, 1-ON, 2-HEAT, 3-COOL, 4-DIFF

5-ROOT, 6-RESET, 7-CYCLIC

2 or 3

Select Thermostat Temp Sensor (1-6):

1-6

Select Setpoint Temperature (-40-300F):

-40 - 300

Enter Hysteresis / Dwell Degrees (1-99):

1-99

Use HEAT or COOL mode to provide thermostat

heating or cooling or provide temperature alarming

for motors or refrigeration.

Setpoints from -40F to 300F (or celsius equivalent)

are supported by the controller.

Programmable Hysteresis and Dwell temperature

from (0 - 99F) (or celsius equivalent) is also

provided to adjust the run time and depth of

temperature cycling required.

The inputs sensor selection for these modes will

allow multiple thermostats to be controlled by the

same temperature input if desired for controlling

multiple output devices from one sensor.

The controller will print Saving to Memory when

the settings are committed to memory.

MAXDTC-BT User Manual - Rev A www.mydtcstore.com 9

Cyclic Timer Mode (CYCLIC)

Configure Cyclic Timer Menu Descriptions

Value

Range

Select Output to Configure (1-6):

1-6

Select Control Mode: 0-OFF, 1-ON, 2-HEAT, 3-COOL,

4-DIFF

5-ROOT, 6-RESET, 7-CYCLIC

Enter Cyclic On Time (1-32000):

1-32000

Enter Cyclic Off Time (1-32000):

1-32000

Cyclic Timer is used for things like hot water

recirculation pumps, misting systems, buffer tanks.

Configure the On time in seconds followed by the off

time in seconds. The controller will turn the output

on for the on time setting, then off for the off time

setting then repeat.

The controller will print Saving to Memory when

the settings are committed to memory.

MAXDTC-BT User Manual - Rev A www.mydtcstore.com 10

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