velleman VM148 Programmable Thermostat Instruction Manual
| General | Details |
|---|---|
| Name | velleman VM148 Programmable Thermostat Instruction Manual |
| Make | Velleman |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.48 MB |
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Velleman VM148 Manual: Questions and Answers
Velleman VM148 specifications
| Power supply | 9 - 12V DC |
| Maximum load | NO - 3A (max. 230V) |
| Accuracy | +/- 2°C, fine tune till +/- 0,5°C |
| Weight | 50g |
What do the display icons and error messages mean on a Velleman VM148?
A red dot in the right corner below indicates the relay and connected device are activated. UnFL means measured temperature is below -18°C or 0°F. OvFL means it exceeds +60°C or 146°F. SEnS signals a sensor problem or faulty connection. Instruction Manual, p. 7
How do I change the target temperature on the Velleman VM148 thermostat?
Adjust the target temperature without reprogramming individual limits.
- In the temperature display, briefly press UP or DOWN to show the average target temperature.
- Press UP or DOWN repeatedly to raise or lower it.
- Both temp°A and temp°B will shift automatically with your changes. Instruction Manual, p. 7
What does the ENTER button do on the Velleman VM148 thermostat?
ENTER confirms temperature settings during set-up and displays the current operation mode when pressed in normal display. Instruction Manual, p. 7
Can I use the Velleman VM148 for both heating and cooling, or just one?
The thermostat works for both. Heating mode activates when temp°A is greater than temp°B. Cooling mode activates when temp°A is less than temp°B. One mode runs based on how you program those two settings. Instruction Manual, p. 4
What does the UnFL error message mean on the Velleman VM148 thermostat?
UnFL is an underflow error that appears when the measured temperature drops below the minimum measurable temperature of -18°C or 0°F. Instruction Manual, p. 7
