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MAXDTC-BT Family User Manual
Description
The MAXDTC-BT is a fully programmable industrial temperature controller. The
controller is configurable and monitorable thru a B luetooth connection from your Android
bluetooth enabled smartphone or tablet. The M AXDTC6-BT can run 6 independent
programmable temperature control rules. The M AXDTC2-BT can run 2 p rogrammable
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
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Table of Contents
Summary of Contents for Mydtcstore MAXDTC2-BT
- Page 1 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...
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Page 2: Device Capabilities
● 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) -
Page 3: Controller Specifications
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 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...
- Page 5 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 B luetooth Terminal HC-05 application. . MAXDTC-BT User Manual - Rev A www.mydtcstore.com...
- Page 6 Go ahead and tap the enter command tab and hit an ‘s’ and then the Send button. The controller should respond with a S t atus 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...
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Page 7: Configuring The Controller
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) MAXDTC-BT User Manual - Rev A www.mydtcstore.com... - Page 8 Select Outside Ambient Temp Sensor (1-6): Select Boiler Temp Sensor (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...
- Page 9 The controller will print S aving to Memory when the settings are committed to memory. MAXDTC-BT User Manual - Rev A www.mydtcstore.com...
- Page 10 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 S aving to Memory when the settings are committed to memory. MAXDTC-BT User Manual - Rev A www.mydtcstore.com...
- Page 11 (Temperature Units, One Shot Time Seconds). The controller will print S aving to Memory when the settings are committed to memory. This configuration screen is activated by entering a ‘p’ character. MAXDTC-BT User Manual - Rev A www.mydtcstore.com...
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Page 12: Info Screen
T otal Runtime in hours and days , Runtime since last reset , currently selected temperature units and o ne shot timer seconds configured. This screen is activated by entering a ‘ i’ character. MAXDTC-BT User Manual - Rev A www.mydtcstore.com... -
Page 13: Rules Screen
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... -
Page 14: Status Screen
You will see a trigger one shot status with amount of time left if you do a one shot trigger on any of the outputs in this display as well. MAXDTC-BT User Manual - Rev A www.mydtcstore.com... -
Page 15: History Screen
/ load device power wiring where possible. The sensor inputs are wired with a common terminal between each two inputs. This common wire should have one wire from each temp sensor input adjacent to it. MAXDTC-BT User Manual - Rev A www.mydtcstore.com... - Page 16 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: w ww.mydtcstore.com MAXDTC-BT User Manual - Rev A www.mydtcstore.com...
- Page 17 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...
- Page 18 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...
- Page 19 Controller Temperature Sensor Wiring The temp sensors are wired to T1-T6 sensor inputs (T1-T2 on smaller MAXDTC2-BT version). Each group of two temperature sensor inputs shares a common ground terminal 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.
- Page 20 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...
- Page 21 Ordering Information and Pre-configuration Options MAXDTC-BT Controllers can be ordered off the w ww.mydtcstore.com website. More information and accessory equipment such as additional temperature sensors, waterproof sensors, fuses, DIN rail power supplies, terminal blocks, additional DIN rail, and external high current relays are available for purchase on the website.
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