EPH CONTROLS eTRV-HW Smart Cylinder Thermostat User Guide
| General | Details |
|---|---|
| Name | EPH CONTROLS eTRV-HW Smart Cylinder Thermostat User Guide |
| Make | EPH CONTROLS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.6 MB |
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EPH Controls eTRV-HW Manual: Questions and Answers
EPH Controls eTRV-HW specifications
| Power supply | 2 x AA Li-FeS2 Batteries |
| Sensor | NTC 10K Ohm @ 25˚C |
| IP rating | IP20 |
| Dimensions | 80 x 52mm |
How do I install batteries in EPH Controls eTRV-HW?
Press and hold the release mechanism on the side while pulling the cover upward to remove it.
- Insert 2 x AA batteries
- Replace the cover User Guide, p. 9
How do I mount the EPH Controls eTRV-HW to the valve?
Rotate the ring at the base to thread it onto the SEMTRVB22C valve until tight. It adapts automatically to the valve stroke.
- Open the eTRV-HW by calling for heat on it or the RF16 to retract the spindle
- Rotate the ring at the base so it threads onto SEMTRVB22C until tight
- Position the eTRV-HW on the valve with the screen correctly orientated User Guide, p. 9
Can I use regular alkaline batteries in a hot water thermostatic valve?
No. Poor quality or discount store battery brands will cause wireless communication to fail, information to display incorrectly, and the valve to stop opening or closing. Use Li-FeS2 (Lithium Iron) batteries only. User Guide, p. 6
What do the display modes mean on EPH Controls eTRV-HW?
In MANUAL or AUTO, the screen shows the current hot water temperature. In OFF mode, the screen displays the word 'OFF'. User Guide, p. 7
What temperature range can I set on the EPH Controls eTRV-HW?
The minimum and maximum limits are adjustable between 5 and 90°C. User Guide, p. 23
Why is my EPH Controls eTRV-HW showing E4 error?
E4 indicates a motor issue. Check that premium quality batteries are installed. If E4 persists after replacing batteries, the device needs replacement.
- Install fresh premium quality batteries
- If error remains, contact support for replacement User Guide, p. 15
EPH Controls eTRV-HW compared with other EPH Controls thermostats
| Specification | EPH Controls eTRV-HW | EPH Controls eTRV | EPH Controls CDT2-24 | EPH Controls CDTP2 Hardwired |
|---|---|---|---|---|
| Power supply | 2 x AA Li-FeS2 Batteries | 2 x AA Li-FeS2 Batteries | 24Vac 50Hz | 230Vac 50Hz |
| Sensor | NTC 10K Ohm @ 25˚C | NTC 100K Ohm @ 25˚C | NTC 10K Ohm @ 25°C | NTC 10K Ohm @ 25°C |
| Dimensions | 80 x 52mm | 80 x 52mm | 84 x 84 x 30mm | 84 x 84 x 30mm |
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