Mydtcstore MAXDTC2-BT, MAXDTC6-BT User Manual
MAXDTC-BTFamilyUserManual
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
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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)
1
3
Thermostat (Heat or Cool) (-40 - 300F range)
(1 Input / 1 Output)
2
6
Outdoor Reset Control (wood stove boiler)
(2 Inputs / 1 Output)
1
3
Periodic Timer
(0 Inputs / 1 Output)
2
6
Manual On/Off
2
6
Time Controlled One-Shot
Boiler Reset / Remote Control Timed Run
2
6
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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)
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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.
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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..
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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 Status display and the main menu. At this point you can
monitor and configure your controller thru the application.
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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
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