
2,022 mm
600 × 625 mm footprint
A hot water cylinder with its own heat pump built in. The heat pump on top draws heat from the air and moves it into the stored water, with a 250 litre enamelled steel tank and a 1,600 W element as back-up.
250 LStated capacity
3.50COP, EN 16147, 7°C air, load profile XL
70°CHeat pump alone; 75°C with element
1,154 kWhAnnual electricity, load profile XL
Capacity and performance
| Stated capacity | 250 L |
|---|---|
| Coefficient of performanceCOP, EN 16147, 7°C air, load profile XL | 3.50 |
| Water heating energy efficiencyLoad profile XL | 145% |
| Annual electricity consumptionLoad profile XL | 1,154 kWh |
| Heat-up time, heat pump only10 to 50°C, 15°C air | 7.2 h |
| Maximum water temperature | 70°C, or 75°C with element |
| Operating range | −7 to +43°C heat pump; −25 to +43°C with element |
Refrigerant
| Refrigerant | R290, 150 g |
|---|---|
| Global warming potential (GWP) | 3 |
| Design pressure | 3.2 / 1.1 MPa |
| Compressor | Rotary, DC inverter |
Electrical
| Power supply | 220–240 V, 1 ph, 50 Hz |
|---|---|
| Maximum heat pump power input | 850 W |
| Back-up electric element | 1,600 W |
| Maximum power input | 2,450 W |
| Sound power / pressure | 53 dB(A) / 41 dB at 1 m |
Tank and connections
| Tank | Enamelled steel |
|---|---|
| Corrosion protection | Magnesium anode; electronic anode optional |
| Rated pressure | 0.85 MPa |
| Water inlet, outlet and drain | G 3/4" |
Size and weight
| Net dimensions, W × D × H | 600 × 625 × 2,022 mm |
|---|---|
| Packed dimensions, W × D × H | 690 × 690 × 2,180 mm |
| Net / gross weight | 106 / 125 kg |
Controls and connectivity
| Connectivity | WiFi, TCL Home app, over-the-air updates |
|---|---|
| Interfaces | SG-Ready, Modbus |
| Functions | Holiday mode, timed heating, disinfection cycle at 70°C |
Approvals, cover and identification
| MCS | Listing in progress |
|---|---|
| Cover included | 24 months, whole appliance, parts and labour |
| Manufacturer | TCL |
| TCL model code | KZd40-RS25WF-T3 |

