. Wall Thermostat Control – A wired wall thermostat can be connected to the unit. If it is, the unit must be configured to disable the keypad. See section on wired inputs and unit configuration for more details. F. Note: Power Cord is not included ig. 3 – Catalog Number. CL Ebook Library and Manual. Tac Thermostat Manual Str250 Full Version. Tac Thermostat Manual Str250 Full Version its really recomended ebook.
Issue
How to change the STR-150 temperature display, setpoint adjustment range, etc.
Product Line
TAC Vista
Environment
STR-150
Cause
Some STR-150 function (for example, the setpoint adjustment) can not be configured though Zbuilder when it is connected to a Xenta 121. Configuration needs to be done manually.
Resolution
Buttons on the thermostat:
Increase Button | Decrease Button | Bypass button | Fan button | Wrench symbol |
Steps of changing the STR-150 configuration are listed below:
- Enter Configuration:
- Push the fan and bypass button simultaneously for 2 seconds to enter P0
- In P0, hold down the bypass button and push the fan button three times to enter configuration mode.
NOTE: the wrench symbol is lit when the STR-150 is in configuration mode.
- In configuration mode:
- Press the fan button repeatedly until reaches desired parameters (refer to the configuration table below).
NOTE: the two digits farthest to the left on the display show the parameters, while the two digits farthest to the right show the value - Use increase button or decrease button to change the value.
- Press the fan button repeatedly until reaches desired parameters (refer to the configuration table below).
- Exit configuration mode:
- Push the fan and bypass button simultaneously for 2 seconds. Or, the timeout will exit configuration mode if idle.
- Push the fan and bypass button simultaneously for 2 seconds. Or, the timeout will exit configuration mode if idle.
Configuration Options:
Parameter | Function | Value/Range | Default value |
P0 | Software Version | - | - |
P1 | °C or °F temperature display | 1=°C, 2=°F | 1=°C |
P2 | Reference temperature (Reftemp) | 15-30°C / 60-90°F | 22°C / 72°F |
P3 | Setpoint or room temp. | 1=Setpt, 2=Room | 1=Setpt |
P4 | Timeout | 5-90 seconds | 10 seconds |
P5 | Fan Settings | 0=No fan 1=On/Off fan 2=Two-speed fan 3=Three-speed fan | 3=Three-speed fan |
P6 | Room temperature and setpoint display resolution | 0.1 or 0.5 °C 0.2 or 1.0 °F | 0.5 °C or 0.2 °F |
P7 | Max adjustable setpoint span above or below Reftemp (P2). | +/- 0 - +/- 5°C +/- 0 - +/- 10°F | +/- 3° or +/- 6°F |
P8 | Bypass button and occupancy indication When = 2, no bypass command is sent to the controller | 1= Symbol on, off Or flashing 2=Symbol always off | Default 1=on, off Or flashing |
P9 | Setpoint as Absolute or Offset value | 1=Absolute 2=Offset | 1=Absolute |
Click here to read STR-150 user's manual.