1. Uvod
Thank you for choosing the Thermex HIT 10-U Pro Under-Sink Water Heater. This compact and efficient 10-liter, 1500W electric water heater is designed for reliable hot water supply in your kitchen or similar applications. It features a pressure-resistant boiler and an integrated inlet combination valve for safety and ease of installation. Please read this manual carefully before installation and operation to ensure proper use and longevity of your appliance.

Slika 1: Spredaj view of the Thermex HIT 10-U Pro water heater, showing the control dial and indicator lights.
2. Varnostna navodila
Vedno upoštevajte naslednje varnostne ukrepe, da zmanjšate tveganje požara, električnega udara, poškodb ali poškodbe naprave.
- Pred uporabo aparata preberite vsa navodila.
- This appliance must be installed by a qualified professional in accordance with local regulations.
- Prepričajte se, da je napajalnik voltage se ujema z nalepko z nazivnimi vrednostmi na napravi (230 V).
- Do not operate the water heater if the power cord or plug is damaged.
- Ne blokirajte ventila za razbremenitev tlaka.
- Prepričajte se, da je naprava pravilno ozemljena.
- Naprave ne potapljajte v vodo ali druge tekočine.
- Med delovanjem naj se otroci in nepooblaščene osebe ne približujejo napravi.
- Pred kakršnim koli vzdrževanjem ali čiščenjem odklopite napajanje.
- The water heater is designed for indoor use only.
3. Vsebina paketa
Po razpakiranju preverite, ali so vse komponente prisotne in nepoškodovane.
- Thermex HIT 10-U Pro Water Heater unit
- Inlet combination valve (pressure limiting valve and non-return valve)
- Montažni nosilec
- Vijaki in stenski vložki
- Uporabniški priročnik (ta dokument)

Slika 2: Included installation components: mounting bracket, screws, and the inlet combination valve.
4. Namestitev
The Thermex HIT 10-U Pro is designed for under-sink installation with connections facing upwards. Installation should be performed by a qualified professional.
4.1 Namestitev enote
- Choose a suitable location under the sink, ensuring sufficient space for maintenance and connections.
- Mark the drilling points for the mounting bracket on the wall.
- Izvrtajte luknje in vstavite stenske vložke.
- Nosilec za pritrditev varno pritrdite na steno s priloženimi vijaki.
- Carefully hang the water heater unit onto the mounting bracket.
4.2 Priključki za vodo
- Connect the cold water inlet (blue marking) to the domestic cold water supply using 1/2" fittings.
- Install the provided inlet combination valve on the cold water inlet. This valve acts as both a pressure limiting valve and a non-return valve, essential for safe operation.
- Connect the hot water outlet (red marking) to the hot water tap using 1/2" fittings.
- Prepričajte se, da so vse povezave tesne in ne puščajo.
- Fill the water heater with water by opening the hot water tap until water flows freely, indicating the tank is full.
4.3 Električna povezava
- The appliance comes with a 1.5m power cable.
- Connect the power plug to a grounded 230V electrical outlet.
- Ensure the electrical circuit is protected by a residual current device (RCD).

Slika 3: Stran view of the water heater, illustrating the compact design and connection points.
5. Delovanje
5.1 Prvi zagon
- After installation and filling the tank with water, plug the appliance into the power outlet.
- The "Heating" indicator light on the front panel will illuminate, indicating that the water heater is active and heating the water.
5.2 Nadzor temperature
- The water heater features a control dial on the front panel.
- Rotate the dial to adjust the desired water temperature. The "ECO" setting provides an energy-efficient temperature.
- The "Heating" indicator light will turn off once the set temperature is reached and will cycle on and off to maintain the temperature.
5.3 Čas ogrevanja
The approximate preheating time for the 10-liter tank is 25 minutes to reach the set temperature from cold.
6. Vzdrževanje
Regular maintenance ensures optimal performance and extends the lifespan of your water heater. Always disconnect the power supply before any maintenance.
- Odstranjevanje vodnega kamna: Depending on water hardness, periodic descaling of the heating element may be necessary. This should be performed by a qualified technician.
- Inlet Valve Check: Periodically check the inlet combination valve for any blockages or leaks. Ensure the pressure relief function is not obstructed.
- Čiščenje: Zunanjost enote očistite z mehko damp krpo. Ne uporabljajte abrazivnih čistil ali topil.
- Pregled puščanja: Regularly inspect all water connections for any signs of leaks.
7. Odpravljanje težav
Preden se obrnete na podporo strankam, si oglejte naslednje pogoste težave in rešitve.
| Težava | Možen vzrok | rešitev |
|---|---|---|
| Brez tople vode | No power supply; Thermostat set too low; Heating element failure. | Check power connection and circuit breaker; Adjust thermostat setting; Contact a qualified technician. |
| Voda ni dovolj vroča | Thermostat set too low; High hot water demand; Sediment buildup. | Increase thermostat setting; Allow more time for reheating; Consider descaling (professional service). |
| Puščanje vode | Loose connections; Faulty inlet valve; Tank damage. | Tighten connections; Inspect and replace inlet valve if necessary; Contact a qualified technician for tank inspection. |
| Loud noises from unit | Nabiranje usedlin v rezervoarju. | Professional descaling recommended. |
8. Tehnične specifikacije
| Funkcija | Podrobnost |
|---|---|
| Model | HIT 10-U Pro |
| Zmogljivost | 10 litra |
| Moč | 1500 vatov |
| voltage | 230 volta |
| Dimenzije (D x Š x V) | 40 x 36.6 x 30.4 cm |
| Teža (prazno) | 7 kilogramov |
| Preheating Time (approx.) | 25 minut |
| Električna zaščita | IPX4 |
| Največji pritisk | 6 kilopaskalov |
| Vrsta povezave | 1/2" fittings |
| Razred energijske učinkovitosti | B |
| Letna poraba električne energije | 559 kWh / leto |
| Sound Power Level (indoors) | 15 dB |

Slika 4: Energy label for the Thermex HIT 10-U Pro, showing efficiency class B and annual consumption.

Slika 5: Product Fiche providing detailed technical information and compliance data. For more details, refer to the EPREL database (ID 1023329).
9. Garancija in podpora
Thermex provides a warranty for this product:
- Naprava: 2 leta garancije
- Kotel: 5 leta garancije
For technical support, service, or warranty claims, please contact Thermex customer service:
- Webspletno mesto: thermex.lv
- E-pošta: ankir@thermex.com
- telefon: +371 29165629
- Naslov: Krustpils str. 31, 1073 Riga, Lettland
Please have your model number (HIT 10-U Pro) and purchase date available when contacting support.