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Mydtcstore MAXDTC2-BT, User Manual

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Mydtcstore MAXDTC2-BT User Manual Download Page 20

External DIN Rail Relay Info 

If you need to switch larger power loads than the 5amp onboard relays can handle, consider 
purchasing an external DIN rail mountable relay and control it with the onboard controller relay. 
Just switch 12VDC power to the external relay coil to support upto 10A load devices. 
 

 

 

 

 

MAXDTC-BT User Manual - Rev A

www.mydtcstore.com

20 

Summary of Contents for MAXDTC2-BT

Page 1: ...t 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 MAXD...

Page 2: ...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 Outpu...

Page 3: ...0mA 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 ...

Page 4: ...ler 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 yo...

Page 5: ...e 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 ...

Page 6: ...red 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 conf...

Page 7: ...ue 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 Ente...

Page 8: ... 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 7 Select Out...

Page 9: ...e 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 te...

Page 10: ...clic 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 U...

Page 11: ...s It will not automatically change the parameters you have entered when changing units You will have to change those setting manually The settings will not be saved to nonvolatile memory until you have changed all the settings in the menu group Temperature Units One Shot Time Seconds The controller will print Saving to Memory when the settings are committed to memory This configuration screen is a...

Page 12: ...ides the SW revision of the controller Total Runtime in hours and days Runtime since last reset currently selected temperature units and one shot timer seconds configured This screen is activated by entering a i character MAXDTC BT User Manual Rev A www mydtcstore com 12 ...

Page 13: ...parameter values It is accessed by entering an r at anytime The rules screen shows the mode temperature inputs selected setpoints and parameters for each relay control rule configured For outdoor reset it also shows the calculated reset setpoint temperature MAXDTC BT User Manual Rev A www mydtcstore com 13 ...

Page 14: ...gured mode controlling input values and relay output state at the end If an under or over temp state is overriding the control rule it will show which one On R6 a reset control rule is setup and MINT value indicates that the minimum temperature is being violating and forcing the output on The RSP value is the reset setpoint calculated and being used based on the ambient temperature and slope you h...

Page 15: ...n and Wiring Info Temperature Sensor Inputs and Wiring The temperature sensors sold with the controller are matched in characteristic to the controller and will provide the most accurate readings Using other 10K NTC thermistors is not recommended There are water proof versions of the temp sensor available as well Temperature sensors may be extended 50 ft with twisted pair telephone cable or CAT5 c...

Page 16: ... sensor and a waterproof temp sensor are both available from the website These sensors are matched to the controller and will provide the most accurate readings Each controller comes with two standard temp sensors Additional sensors are available for purchase off the wesite www mydtcstore com MAXDTC BT User Manual Rev A www mydtcstore com 16 ...

Page 17: ...well regulated output for the best performance and reliability of the controller These are available off the website but do not come standard with the controllers If you need to run large DC pump you will need to have a higher current capacity power supply 3 5 Amp recommended These supplies have an adjustable output voltage trimmer as well MAXDTC BT User Manual Rev A www mydtcstore com 17 ...

Page 18: ... to one side of a relay output connect the other side of the relay output to the Hot or Positive power input of the load device The controller will switch the power to the load device by closing the relay It s always a good idea to put a fuse on the output of the controller to the input of the load device MAXDTC BT User Manual Rev A www mydtcstore com 18 ...

Page 19: ...minal that both temperature sensors share in common See diagram The temperature sensors can be extended 50ft with twisted pair telephone wire or equivalent CAT5 type cable with no appreciable reading error Avoid running temperature sensor wires near AC or power connections to load devices which can create noise on the temperature sensor input MAXDTC BT User Manual Rev A www mydtcstore com 19 ...

Page 20: ... the 5amp onboard relays can handle consider purchasing an external DIN rail mountable relay and control it with the onboard controller relay Just switch 12VDC power to the external relay coil to support upto 10A load devices MAXDTC BT User Manual Rev A www mydtcstore com 20 ...

Page 21: ...ternal high current relays are available for purchase on the website If you would like the controller preconfigured to your application before shipment please contact us for details For OEM inquiries contact Brian Smith at this email address smith100griggs gmail com Have Technical Questions Send us an email Have a question on how the controller works Send me an email and I will try to answer your ...

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