CRX9 is a model of WH-CRX-M series products. It uses a flow type electric heating device with a constant water temperature, energy saving and environmental protection, safe and reliable to use
The CRX9 is a closed‑outlet, electronically controlled instantaneous water heater designed for domestic use. It heats water on demand as it flows through the unit, with temperature presetting between 35 °C and 55 °C and safety features such as thermal cut‑out and flow‑rate indicators.
The manual covers technical specifications, step‑by‑step installation (wall‑mounted or surface‑mounted), operating instructions, maintenance, troubleshooting, and warranty terms. It also includes safety warnings, venting procedures, and customer‑service contact details. This manual is written in Chinese.
| Capacity | 0.2 l |
|---|---|
| Rated pressure | 0.6 MPa (6 bar) |
| Heating system | Tubular heater |
| Nominal power | 8.0 – 9.6 kW |
| Rated current | 36 – 40 A |
| Minimum conductor cross‑section | 3 × 6.0 mm² |
| Switch‑on flow rate | 2 l/min |
| Temperature preset range | 35 °C – 55 °C |
| Maximum inlet water temperature | 30 °C |
| Protection class | IP25 |
The water inlet temperature must not exceed 30 °C.
The electrical and plumbing components should be inspected by an authorized professional at least every three years.
The heater switches on automatically when the flow rate reaches the switch‑on flow rate of 2 l/min.
No – the front cover must never be removed before the mains electrical supply is switched off.