This manual outlines safety precautions and installation requirements for the Haier JSQ16/20-(R)H/J/L gas water heater, including wall‑mount and window‑mount mounting methods, vent pipe installation, and required clearances. It also describes the proper connection of gas, water, and electrical supplies, and emphasizes the need for professional installation.
The document then details normal operation, adjustment of fire and water flow knobs, troubleshooting steps, and maintenance procedures such as cleaning the exterior and flushing the system. Technical data, parts list, and warranty information are provided for reference. This manual is written in Chinese.
| Model | JSQ16-(R)H/J/L, JSQ20-(R)H/J/L |
|---|---|
| Rated Gas Pressure | 2800 Pa (liquefied gas), 2000 Pa (natural gas) |
| Rated Heat Output | 16 kW (JSQ16), 20 kW (JSQ20) |
| Ignition Method | Electronic pulse discharge ignition |
| Applicable Water Pressure | 0.02–1.0 MPa |
| Startup Water Flow | 3 L ± 0.5 L/min |
| Rated Hot‑Water Capacity | 8 kg/min (16 kW), 10 kg/min (20 kW) |
| Gas Pipe Size | G1/2" |
| Water Pipe Size | G1/2" |
| Dimensions (L×W×H) | 550 mm × 340 mm × 135 mm |
| Net Weight | 10.6 kg |
| Rated Voltage | AC 220 V |
| Frequency | 50 Hz |
| Input Power | 29 W |
| Energy Efficiency Level | Level 2 |
Check that the gas and water valves are open, purge the system to remove air, and repeat the ignition operation.
When the heater runs continuously for 40 minutes, it automatically stops and must be re‑ignited to resume operation.
Installation must be performed by qualified professional technicians; self‑installation is prohibited.