DM STC-1000 Operation Instruction
STC-1000
Temperature Controller
Main function
Switch the modes between cool and heat; Control temperature by setting the temperature set value and the difference value; Temperature calibration; Refrigerating control output delay protection; Alarm when temperature exceeds temperature limit or when sensor error.
Specification and size
Front panel size: 75(L)x34.5(W)(mm)
Mounting size: 71(L)x29(W)(mm)
Product size: 75(L)*34. 5(W)x85(D)(mm)
Sensor length: 1m(include theprobe)
Technical parameters
Temperature measuring range:50°C~120°C
Resolution:0.1 °C
Accuracy:±1 °C(50°~70°C)
Power supply: DC 12V-72V/AC 110V-220V
Power consumption: <3W
Sensor: NTC sensor(1 PC)
Relay contact capacity: Cool(10A/250VAC); Heat(10A/250VAC)
Ambient temperature:0°C-60°C
Storage temperature:-30°C~75
Relative humidity: 20-85%(No condensate)
Panel instruction
Display instruction: Three-digit LED + Minus digit + Status indicator light (Status indicator light (Cool, Heat) + Set indicator light (Set)) Key instruction: “S” Key: the key to set; “” key: Up key; “” key: Down key; ““: the key to turn on and off the power
Key operation instruction
- The way to check parameter:
Under normal working status, press “” key it displays temperature setting value; press “” key it displays the difference value. - The way to set parameter:
Under controller normal working status, press ” S ” key for 3s or more to enter parameter modifying mode, and the “Set” indicator light on, screen displays the first menu code “F1”.
Press “” key or “” key to adjust up and down and display the menu item and the code of the menu item. Press “S” key to display the parameter value of the current menu. Press both “S” key and hold “” key or “” key simultaneously to choose and adjust the parameter value of the current menu value promptly. After finishing the setting, press and release the “” key instantly to save the parameter modified value and return to display the normal temperature value. If no key operation within 10 seconds, system won’t save modified parameter, screen back to display normal temperature. - Restore system data When electrified, system will check itself, screen will display “Er” if error exit, please press any key at this time, and it restores default value and enter into normal working mode, it is advised to reset the parameter value under such conditions
Operation instruction
Under controller normal working status, press and hold “” key for 3s can turn off the controller; Under controller “off” status, press and hold “” key for 1s can turn on the controller.
Under the controller normal working status, screen displays the current measuring temperature value; also the controller can also switch the working mode between heating and cooling.
Controller starts refrigerating with cool indicator light on when the measuring temperature value ≥ temperature set value+difference value, and the refrigerating relay is connected; If the “Cool”indicator light flashes, it indicates the refrigerating equipment is under compressor delay protect status; when the measuring temperature values ≤ temperature set value, the Cool indicator light on, and refrigerating relay disconnects.
System starts heating when the measuring temperature value ≤ the temperature set value-difference value, and the “Heat” indicator light on, the heat relay connects; When the measuring temperature 2 temperature set value the “Heat” indicator light is off, and the heat relay disconnects.
Wiring diagram
Connection 1: Independent power supply for load
Connection 2: Same power supply for load
Note: There is no voltage output from the output terminal of the thermostat, So the device needs to be connected to a power supply
Indicator light status instruction
Menu instruction
Error description
Alarm when sensor error: Controller activate the sensor error alarm mode when sensor open circuit or short circuit, all the running status is closed off with the buzzer alarms, and the nixie tube displays “EE”, press any key can cancel alarm sound, system back to display the normal temperature when the error and the fault is cleared.
Alarm when the measuring temperature exceeds temperature measuring range: Controller activates the error alarm function when the measuring temperature exceeds the temperature measuring range, all the running status is closed off with the buzzer alarms, and the nixie tube displays “HH”, Press any key can cancel alarm sound, system back to display the normal working mode when the temperature restore to normal measuring range.
Safety Regulations
★ Danger:
- Strictly distinguish the sensor down-lead, power wire and output relay interface from one another, and prohibit wrong connections or overloading the relay
- Dangers: Prohibit connecting the wire terminals without electricity cut-off
★ Warning:
Prohibit using the machine under the environment of over damp, high temp., strong electromagnetism interference or strong corrosion.
★ Notice:
- The power supply should conform to the voltage value indicated in the instruction.
- To avoid the interference, the sensor down-lead and power wire should be kept a proper distance.
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