EPH CONTROLS eTRV Smart Radiator Thermostat Instruction Manual

EPH Controls eTRV Manual: Questions and Answers

EPH Controls eTRV specifications

Full specifications, page 5

Can I change how much the EPH Controls eTRV overshoots before turning off heating?

Yes. Set HOF to control the overshoot. If HOF is 0.2°C and setpoint is 20°C, the thermostat turns off at 20.2°C. Instruction Manual, p. 27

What does the flame symbol mean on EPH Controls eTRV?

The flame appears when the eTRV is calling for heat. It disappears once the target temperature is reached. Instruction Manual, p. 7

How do I reset the EPH Controls eTRV to factory settings?

Access the reset function through the calibration menu.

1. Press and hold both buttons for 5 seconds until 'CAL' appears.
2. Press the navigation button until 'rSt' appears.
3. Press to select.
4. Use the adjustment button to change 'nO' to 'YES'.
5. Press to confirm. The eTRV will reset and enter OFF mode. Instruction Manual, p. 24

Why isn't my EPH Controls eTRV sensing temperature correctly?

Check that the installation direction matches your radiator orientation.

• Access the installation direction menu by pressing and holding both buttons for 5 seconds.
• Navigate to 'InS' and confirm selection.
• Verify the setting: 'ud' for vertical mounting, 'Hd' for horizontal.
• Adjust if needed and confirm to save. Instruction Manual, p. 26

How do I set temperature limits on the EPH Controls eTRV?

Use the high and low limit function to restrict the temperature range.

1. Press and hold both buttons for 5 seconds until 'CAL' appears.
2. Press the navigation button until 'LIn' appears, then select.
3. Select ON to enable limits.
4. Set the high limit between 5 and 35°C using the adjustment buttons.
5. Set the low limit between 5 and 35°C using the adjustment buttons.
6. Confirm to save and exit the menu. Instruction Manual, p. 23

EPH Controls eTRV compared with other EPH Controls thermostats

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