1. Pengenalan
This manual provides essential information for the safe installation, operation, and maintenance of your EcoSmart POU 3.5 Electric Tankless Water Heater. Please read this manual thoroughly before installation and use, and retain it for future reference. This unit is designed for point-of-use applications, typically for a single sink, providing hot water on demand.

Rajah 1: Depan view of the EcoSmart POU 3.5 Electric Tankless Water Heater, displaying its compact design and digital temperature readout.
2. Maklumat Keselamatan Penting
AMARAN: Pemasangan, pelarasan, pengubahan, servis atau penyelenggaraan yang tidak betul boleh menyebabkan kerosakan harta benda, kecederaan atau kematian. Baca arahan pemasangan, pengendalian dan penyelenggaraan dengan teliti sebelum memasang atau menservis peralatan ini.
Observe all local codes and ordinances. In the absence of local codes, refer to the National Electrical Code (NEC) and the Uniform Plumbing Code (UPC).
- Perkakas ini mesti dibumikan.
- Do not operate this water heater if it has been damaged or is not functioning properly.
- Ensure the unit is installed in an area protected from freezing temperatures.
- Turn off power to the unit at the circuit breaker before performing any maintenance or service.
- Do not attempt to repair this unit yourself. Contact qualified service personnel.
3. Produk Lebihview
The EcoSmart POU 3.5 is a compact, electric tankless water heater designed for single point-of-use applications. It provides hot water efficiently and on demand, making it suitable for locations such as bathroom sinks, wet bars, or small utility sinks.
Ciri-ciri Utama:
- Compact design for under-sink installation.
- Digital temperature display.
- Operasi cekap tenaga.
- Includes a 0.5 GPM sink aerator for optimal performance in single-sink applications.

Figure 2: Internal components of the POU 3.5, highlighting the heating elements and control board.
4. Persediaan dan Pemasangan
Proper installation is critical for the safe and efficient operation of your EcoSmart POU 3.5 water heater. It is recommended that installation be performed by a qualified electrician and plumber.
4.1 Keperluan Lokasi
- Install the unit as close as possible to the point of use to minimize heat loss.
- Ensure the mounting surface is solid and capable of supporting the unit's weight (approximately 4 lbs).
- The unit must be protected from direct sunlight, freezing temperatures, and excessive moisture.
4.2 Keperluan Elektrik
- Voltage: 120 Volt
- Wattage: 3500 watts (3.5 kW)
- AmpCabutan erage: 29 amps
- Circuit Breaker: Requires 1 x 30 amp dedicated breaker.
- Wire Gauge: 10 AWG wire.
- Unit mesti dibumikan dengan betul.
4.3 Keperluan Paip
- Connection Fittings: 1/2" NPT.
- Maximum Operating Pressure: 150 PSI.
- Install a pressure relief valve if local codes require it.
- Flush the water lines thoroughly before connecting the unit to remove any debris.
- Pastikan semua sambungan kedap air untuk mengelakkan kebocoran.
- The unit is designed for a maximum flow rate of 0.5 GPM for single applications and includes a 0.5 GPM sink aerator.

Figure 3: Installation guide detailing temperature rise based on flow rate and electrical requirements for the POU 3.5.
5. Arahan Operasi
Once properly installed and connected to power and water, your EcoSmart POU 3.5 is ready for operation.
5.1 Permulaan Awal
- Pastikan semua sambungan paip kukuh dan bebas daripada kebocoran.
- Open the hot water faucet at the sink where the unit is installed and allow water to flow for several minutes to purge all air from the system. This step is crucial to prevent damage to the heating elements.
- Tutup paip air panas.
- Hidupkan kuasa elektrik ke unit pada pemutus litar.
- The digital display on the unit should illuminate.
5.2 Melaraskan Suhu
- Use the up and down arrow buttons on the front panel to set your desired water temperature. The maximum temperature is 105°F.
- The unit will automatically heat water to the set temperature when water flows through it.
5.3 Operasi Biasa
When you open the hot water faucet, the unit will detect water flow and activate the heating elements. Hot water will be delivered within seconds. The digital display will show the current output temperature.
6. Penyelenggaraan
Regular maintenance helps ensure the longevity and efficiency of your water heater.
- Pemeriksaan Tahunan: It is recommended to have a qualified technician inspect the unit annually for scale buildup, leaks, and electrical connections.
- Pembersihan: The exterior of the unit can be cleaned with a soft, damp kain. Jangan gunakan pembersih atau pelarut yang melelas.
- Penapis sedimen: If your water supply has high sediment, consider installing an external sediment filter to protect the unit.
- Freezing Protection: If the unit is installed in an area prone to freezing, ensure it is properly drained or protected from freezing temperatures when not in use to prevent damage.
7. Penyelesaian masalah
Sebelum menghubungi khidmat pelanggan, silaview isu dan penyelesaian biasa berikut:
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Tiada air panas / Unit tidak boleh dihidupkan | No power; Air in lines; Insufficient water flow; Circuit breaker tripped. | Check circuit breaker; Purge air from lines by running hot water; Ensure adequate water flow (min 0.3 GPM); Reset circuit breaker. |
| Air tidak cukup panas | Temperature setting too low; Excessive water flow; Cold incoming water temperature. | Increase temperature setting; Reduce water flow at the faucet; Consider a higher capacity unit if incoming water is very cold. |
| Kebocoran unit | Sambungan paip longgar; Komponen dalaman yang rosak. | Tighten connections; If leak persists, turn off water and power and contact support. |
| Kod ralat pada paparan | Kesalahan dalaman tertentu. | Rujuk manual penuh untuk maksud kod ralat tertentu atau hubungi khidmat pelanggan. |
8. Spesifikasi
| Spesifikasi | Nilai |
|---|---|
| Model | POU 3.5 |
| Jenama | EcoSmart |
| Wattage | 3500 watt (3.5 kW) |
| Voltage | 120 Volt |
| Amperage Draw | 29 amps |
| Pemutus yang Diperlukan | 1 x 30 amp |
| Required Wire Gauge | 10 AWG |
| Kadar Aliran Maksimum | 1.5 Gelen Seminit (GPM) |
| Recommended Flow Rate (single sink) | 0.5 GPM (with included aerator) |
| Suhu Maksimum | 105 Darjah Fahrenheit |
| Kecekapan | 0.95 |
| Tekanan Operasi Maksimum | 150 PSI |
| Jenis Pemasangan | dinding |
| Dimensi Produk (L x W x H) | 11 x 6 x 3 Inci |
| Berat Barang | 4 paun |
| Kelengkapan Sambungan | 1/2" NPT |

Rajah 4: Sisi view of the POU 3.5, displaying regulatory labels and certifications.
9. Waranti dan Sokongan
9.1 Maklumat Waranti
The EcoSmart POU 3.5 Electric Tankless Water Heater comes with a Waranti 1 Tahun on electronics, exchanger, and heating elements. This warranty covers the cost of the heater itself but does not cover labor or any incidental damages incurred during installation, repair, or replacement.
Sila simpan bukti pembelian anda untuk tuntutan waranti.
9.2 Sokongan Pelanggan
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact EcoSmart customer support. Refer to the product packaging or the official EcoSmart webtapak untuk maklumat hubungan terkini.





