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Dimensions: 86 × 86 × 10 (mm)
Color Options: White
Control Type: Single-pole
Control Methods: Button-operated + Remote-controlled
Rated Voltage: AC220-240V
Rated Current: 3A
Housing Material: Flame-Retardant ABS
✅ Four‑Speed Fan Control：High / Medium / Low / Auto fan speed for comfortable airflow adjustment
✅ Rich Practical Functions：Timer programmable, sleep mode, child lock, power‑off memory (keep settings after power failure)
✅ Large Backlit LCD Display：Blue backlight, show room temp, set temp, fan speed & operation status; auto‑backlight off
✅ Robust Hardware Construction：FR‑4 double‑sided glass fiber circuit board, transformer‑based power supply, anti‑interference industrial chip
✅ Flame‑Retardant ABS Housing：Heat‑resistant, anti‑deformation for long‑term commercial heavy‑duty use
✅ Multiple Model Options：Standard button model / Button+Remote receiver / Full set with remote hand‑unit
✅ Certified Quality：CE, RoHS compliant; 2‑year manufacturer warranty
✅ Wide Compatibility：Work with fan coil unit, motorized valve, motorized air damper for 2‑pipe water‑based central AC
Important Installation Note: This thermostat requires Neutral wire (N‑wire) for normal operation. Professional HVAC technician is required for wiring. Wrong wiring may damage the unit and peripheral actuatorsApplication Scenarios
Suitable for 2‑pipe water central air‑conditioning fan‑coil systems: residential apartments, hotel guest rooms, office buildings, shopping malls, schools, hospitals and public facilities.What’s In The Box
1 × NVK‑801 Fan Coil Thermostat PanelOptional variant: add IR remote receiver / add complete remote controller handset
Technical Specifications：
| Objet | Paramètre |
| Modèle | NVK‑801 (Standard / With Remote Receiver / With Remote Kit) |
| Alimentation électrique | AC 180‑260V, 50Hz |
| Max Load Current | ≤3A |
| Max Output Power | ＜200W |
| Self‑consumption | ＜1W |
| Précision du contrôle | ±1℃ |
| Temperature Setting Range | 5℃ ~ 35℃ |
| Fan Speed | 4‑speed: High / Medium / Low / Auto |
| Working Modes | Cooling / Heating / Fan‑Only |
| Core PCB | FR‑4 double‑sided fiberglass board |
| Housing Material | Flame‑retardant ABS |
| Display | Blue backlit LCD, auto backlight off after 5s |
| Fonctions principales | Timer, Sleep Mode, Child Lock, Power‑off Memory |
| Installation | Standard 86mm wall‑mount box; mounting hole pitch:60mm |
| Dimensions | 86 × 86 ×13 mm |
| Unit Weight | 260‑300g |
| Working Ambient Temp | 0℃ ~ 45℃ |
| Protection Grade | IP20 |
| Certifications | CE, RoHS |
| Garantie | 2‑year factory warranty |
| Compatibilité | 2‑pipe fan coil unit, motorized valve, motorized air damper |
| Exigence | Neutral wire (N‑wire) must be available for installation |
Product Selection:
| Modèle | Control Mode | Switching Mode |
| Model 801 | Single-Order Control | Button-operated |
| Model 801 + Remote Control | Single-Order Control | Button-operated + remote-controlled |
| Model 801 + Remote Control + Remote Control Unit | Single-Order Control | Button-operated + remote-controlled |
Packaging:
| Modèle | Length (cm) | Width (cm) | Height (cm) | Volume (cm³) | Weight (g) |
| Model 801 | 8.60 | 8.60 | 1.30 | 96.148 | 300 |
| Model 801 + Remote Control | 8.60 | 8.60 | 1.30 | 96.148 | 300 |
| Model 801 + Remote Control + Remote Control Unit | 8.60 | 8.60 | 1.30 | 96.148 | 300 |
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