Mi-Heat E51
Brukerhåndbok for Mi-Heat E51 digital romtermostat
Modell: E51
Merke: Mi-Heat
1. Introduksjon
The Mi-Heat E51 digital room thermostat is designed for precise temperature control of electric and water-based underfloor heating systems. It features a backlit display, a 7-day weekly programming function, and frost protection. The thermostat utilizes both an internal room sensor and an external floor sensor to maintain your desired temperature, ensuring comfort and energy efficiency.
Nøkkelfunksjoner:
- Bakbelyst LCD-skjerm
- Weekly Programmable (5/2, 6/1, or 7-day modes)
- Integrated Room Sensor and External Floor Sensor
- Display Calibration/Offset Function
- Frostbeskyttelsesfunksjon
- Key Lock / Child Lock
2. Sikkerhetsinformasjon
- Installasjonen må utføres av en kvalifisert elektriker i samsvar med lokale ledningsforskrifter.
- Always disconnect power at the main circuit breaker before installation, maintenance, or removal of the thermostat.
- Do not expose the thermostat to moisture or extreme temperatures.
- Sørg for at alle tilkoblinger er sikre for å forhindre elektriske farer.
- Denne enheten er kun designet for innendørs bruk.
3. Pakkens innhold
Bekreft at alle varene er til stede i pakken:
- Mi-Heat E51 Room Thermostat
- External Floor Sensor (NTC 10 kOhm with 2m lead)
- Monteringsskruer
- Brukerhåndbok

4. Tekniske spesifikasjoner
| Trekk | Spesifikasjon |
|---|---|
| Monteringstype | Innfelt |
| Versjon | Kablet |
| Driftsvoltage | 230 V |
| Maks. Bytte strøm | 16A / 3680 W |
| Kontroll Type | Two-point control ON/OFF |
| Driftstemperatur | 5-50°C |
| Sensor | Internal and external, NTC with 2m lead |
| Temperature Control Range (Internal) | 0-55°C (Room sensor) |
| Temperature Control Range (External) | 5-55°C (Floor sensor) |
| Frostbeskyttelse | Ja |
| Floor Limit Range | 5-50°C |
| Skjerm/bakgrunnsbelysning | Ja/Ja |
| Protection Class IP | IP21 |
| Dimensjoner (BxHxD) | 80x90x13 / 43mm |
5. Installasjon
The Mi-Heat E51 thermostat is designed for flush-mounted installation in standard wall boxes. Ensure power is disconnected before proceeding.
5.1. dimensjoner

5.2. Kabling
Refer to the wiring diagram below for proper connection. The thermostat supports both electric underfloor heating and water-based underfloor heating (via an actuator).

Koblingstrinn:
- Sørg for at strømmen er AV ved hovedsikringen.
- Connect the Live (L) and Neutral (N) power supply wires to the corresponding terminals on the thermostat.
- Connect the heating element or actuator wires to the designated output terminals.
- Connect the external floor sensor cable to the sensor terminals.
- Carefully place the thermostat into the wall box and secure it with the provided screws.
- Gjenopprett strømmen og test termostaten.

6. Drift
The Mi-Heat E51 thermostat features an intuitive interface with a backlit LCD display and several control buttons.
6.1. Skjerm og knapper overview

Knappefunksjoner:
- Selection Button (Book icon): Used to enter menu, confirm settings, or switch modes.
- Increase Value Button (Up arrow): Used to increase temperature, time, or navigate menu options.
- Decrease Value Button (Down arrow): Used to decrease temperature, time, or navigate menu options.
- On/Off Button (Power icon): Slår termostaten på eller av.
6.2. Grunnleggende betjening
- Slå på/av: Press the Power button to turn the thermostat on or off.
- Justering av temperatur: When the thermostat is on, use the Up/Down arrow buttons to adjust the desired set temperature.
- Key Lock / Child Lock: To activate or deactivate the key lock, press and hold the Selection button for a few seconds until the key icon appears/disappears on the display.
6.3. Ukentlig programmering
The thermostat allows for 7-day weekly programming with options for 5/2 (weekday/weekend), 6/1 (6 days/1 day), or 7-day individual programming. This feature enables you to set different temperatures for various times of the day across the week.

Slik konfigurerer du ukentlig programmering:
- Press and hold the Selection button to enter the programming menu.
- Use the Up/Down arrows to navigate through the programming options (e.g., 5/2, 6/1, 7-day mode, time settings, temperature settings for each event).
- Press the Selection button to confirm each setting and move to the next.
- Gjenta for alle ønskede tidsperioder og dager.
- Exit the menu by pressing the Selection button until the main display reappears, or wait for it to time out.
6.4. Frost Protection Function
The frost protection function prevents the temperature from dropping below a set minimum (typically 5°C) to protect pipes and the heating system from freezing. This function is active when the thermostat is in standby or when specifically enabled in the settings.

7. Vedlikehold
The Mi-Heat E51 thermostat requires minimal maintenance.
- Rengjøring: Tørk av skjermen og casinmed en myk, tørr klut. Ikke bruk slipende rengjøringsmidler, løsemidler eller kjemiske sprayer, da disse kan skade overflaten.
- Undersøkelse: Periodically check the thermostat for any visible damage or loose connections. If any issues are found, disconnect power and consult a qualified technician.
8. Feilsøking
| Problem | Mulig årsak | Løsning |
|---|---|---|
| Termostaten slår seg ikke på | No power supply; Loose wiring; Blown fuse/tripped breaker | Check main power supply; Verify wiring connections; Check and reset circuit breaker/replace fuse. |
| Oppvarmingen slår seg ikke på | Set temperature is below room/floor temperature; Thermostat in OFF mode; Wiring issue | Increase set temperature; Ensure thermostat is ON; Check wiring connections to heating system. |
| Unøyaktig temperaturavlesning | Sensor malfunction; Incorrect sensor type selected; Thermostat placed near heat source/draft | Check sensor connection; Verify sensor type in settings; Relocate thermostat if possible or use calibration function. |
| Skjermen fungerer ikke eller flimrer | Power fluctuation; Internal fault | Cycle power to the thermostat; If problem persists, contact support. |
| Cannot change settings (Key Lock active) | Key Lock / Child Lock is enabled | Press and hold the Selection button until the key icon disappears to deactivate the lock. |
9. Garanti og støtte
For support or inquiries regarding your Mi-Heat E51 thermostat, please contact us Monday - Friday from 09:00 to 16:00. We offer support and shipping directly from Germany.
Refer to your purchase documentation or retailer for specific warranty details and terms.
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