Bubuka
This manual provides essential instructions for the safe and efficient installation, operation, and maintenance of your Richmond RMTEX-27 Essential Tankless Electric Water Heater. Please read this manual thoroughly before installation and use, and retain it for future reference.
The Richmond RMTEX-27 is designed to provide on-demand, continuous hot water. It features a compact design, digital temperature control from 80°F to 140°F, and 99.8% energy efficiency. Robust copper immersion heating elements with brass tops are threaded for easy replacement.
Émbaran Kasalametan
PERHATOSAN: Pamasangan, panyesuaian, parobahan, palayanan, atanapi pangropéa anu teu leres tiasa nyababkeun karusakan harta, tatu, atanapi maot. Baca paréntah pamasangan, operasi, sareng pangropéa sacara saksama sateuacan masang atanapi ngalayanan alat ieu.
- Ensure all electrical connections are made by a qualified electrician in accordance with local and national electrical codes.
- Pastikeun grounding ditangtoskeun pikeun nyegah shock listrik.
- Entong ngoperasikeun manaskeun cai upami bagian-bagian mana waé anu kakeueum dina cai.
- Alat ieu henteu dimaksudkeun pikeun dianggo ku jalma (kalebet murangkalih) anu ngirangan kamampuan fisik, indrawi atanapi mental, atanapi kirang pangalaman sareng pangaweruh, kecuali aranjeunna dipasihan pangawasan atanapi petunjuk ngeunaan panggunaan alat ku jalma anu tanggung jawab kana kasalametanana.
Setup sareng Instalasi
Installation should be performed by a qualified professional. Refer to the complete installation guide provided with the product for detailed instructions.
Syarat lokasi:
- Pasang di jero rohangan wungkul.
- Choose a location protected from freezing temperatures.
- Pastikeun rohangan anu cekap pikeun perawatan sareng perawatan.
- Mount the unit vertically on a solid surface.
Sambungan Pipa:
- Connect to 3/4" NPT water lines.
- Install shut-off valves on both hot and cold water lines.
- Flush the system thoroughly before connecting the heater to remove debris.
Sambungan listrik:
- This unit requires 240V electrical service.
- Ensure dedicated circuit breakers are installed as per local codes.
- Connect wiring according to the diagram provided inside the unit's cover.

Gambar 1: Hareupeun view of the Richmond RMTEX-27 Tankless Electric Water Heater, showing the digital temperature display set to 105°F and the control knob.
Parentah Operasi
Mimitian mimiti:
- Pastikeun sadaya sambungan pipa aman sareng bebas bocor.
- Open all hot water faucets in the house to purge air from the system. Allow water to flow for several minutes until a steady stream is observed from all faucets.
- Close all hot water faucets.
- Hurungkeun daya listrik ka unit dina pemutus sirkuit.
- The digital display will illuminate, showing the current temperature or a default setting.
Penyesuaian Suhu:
- The RMTEX-27 features a digital temperature control.
- Use the control knob on the front panel to adjust the desired water temperature.
- The temperature can be set in 1°F increments, ranging from 80°F to 140°F.
- Layar digital bakal némbongkeun suhu anu disetel.

Figure 2: Detail of the digital temperature display and control knob on the Richmond RMTEX-27, indicating temperature adjustment functionality.
Pangropéa
Regular maintenance ensures optimal performance and longevity of your tankless water heater.
Pangumbahan Taunan:
- To prevent mineral buildup, it is recommended to flush the unit annually with a descaling solution.
- Consult a qualified plumber for this procedure, especially in areas with hard water.
Inspeksi Unsur:
- The copper immersion heating elements are threaded for easy replacement.
- Inspect elements periodically for signs of wear or corrosion. Replacement should be done by a qualified technician.
beberesih:
- Ngusap bagian luar unit kalayan lemes, damp lawon. Ulah make cleaners abrasive atawa pangleyur.
Pamérésan masalah
Sateuacan ngahubungan layanan palanggan, ulangview masalah umum sareng solusi ieu:
| Masalah | Mungkin Cukang lantaranana | Solusi |
|---|---|---|
| Henteu aya cai panas / Unit henteu hurung | No power, tripped breaker, water flow too low | Check circuit breaker. Ensure adequate water flow (minimum activation flow rate). |
| Suhu cai teu konsisten | Fluctuating water pressure, mineral buildup, incorrect temperature setting | Check water pressure. Perform descaling. Adjust temperature setting. |
| Cai teu cukup panas | Temperature set too low, high incoming water temperature, multiple hot water demands | Increase temperature setting. Reduce simultaneous hot water usage. |
| Kodeu kasalahan dina tampilan | Internal fault, sensor issue | Refer to the full manual for specific error code definitions or contact customer support. |
spésifikasi
| Fitur | Spésifikasi |
|---|---|
| Modél | RMTEX-27 |
| merek | Richmond (Rheem) |
| Wattage | 27 KW |
| Voltage | 240 Volt (AC) (Note: Product data listed 1800 Volts DC, which is atypical for this appliance type. 240V AC is assumed based on wattage and common tankless heater specifications.) |
| Laju aliran maksimum | 6.6 Galon Per Menit |
| Rentang Suhu | 80°F nepi ka 140°F |
| Efisiensi | 99.8% Hemat Énergi |
| Sambungan | 3/4" NPT |
| Ukuran (L x W x H) | 19.75 x 17.8 x 6.75 inci |
| Item Beurat | 19.14 pon |
| Tipe Pamasangan | Pamasangan jero rohangan |
Garansi sareng Rojongan
For warranty information and technical support, please refer to the documentation included with your product or visit the official Richmond/Rheem websitus. Simpen bukti pameseran anjeun pikeun klaim garansi.
Pabrikan: RHEEM / RICHMOND
UPC: 020352682976
Jumlah modél: 682976 (Internal Item Model Number)





