K-CZ_Product catalogue_ECPEN26-431_English.pdf/jcr:content/renditions/cq5dam.thumbnail.319.319.png "EWA(Y)K-CZ_Product catalogue_ECPEN26-431_English.pdf")
EWA(Y)K-CZ Product catalogue
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Meet the new standard in compact, high-performance climate control.
The Daikin EWA(Y)K-CZ is an air-to-water inverter chiller and heat pump powered by R-290 — a natural refrigerant with near-zero global warming potential.
Designed for projects where space and speed matter, it delivers heating water temperatures up to 75 °C, making it a true boiler replacement for residential, hotel and hospital settings.
Available in four sizes, always ready from stock.
1 compressor - 1 fan
20-30 kW
1 compressor - 2 fans
40-60 kW
2 compressors - 3 fans
70 kW
2 compressors - 4 fans
85 kW
Key features EWA(Y)K-CZ series
The EWA(Y)K-CZ series is an air-to-water Small Inverter Chiller and reversible Heat Pump using the natural refrigerant R-290.
High temperature performance
- Delivers heating water temperatures up to 75°C
- Maintains performance even in extreme ambient conditions
- Suitable for both harsh Nordic winters and summer operation when domestic hot water is required
Efficient operation
- Operates efficiently at high delta-T
- Enables heating water supply across a wide range of applications
Flexible and scalable solution
- Expands Daikin’s Small Inverter range
- Offers a compact, scalable and flexible design
- Easily adapts to different applications and capacity needs
Availability and delivery
Version with integrated pump:
- Always available from stock
- Ensures ultra-fast delivery and maximum flexibility
Version without pump:
- Available with short lead times
- Supports quick response to project opportunities
Large operating range
Parameter | Min. | Max. |
Heating water | 20°C | 75°C |
Chilled water | -15°C | 20°C |
Outdoor ambient temperature | -20°C (heating) | 46°C (cooling) |
Designed for demanding projects
Always ready from stock
The configuration with integrated VFD pump is always available for immediate dispatch — ensuring ultra-fast delivery for urgent project needs and maximum scheduling flexibility.
True boiler replacement
Delivers heating water up to 75 °C, even at outdoor temperatures as low as −20 °C. Directly replaces gas boilers in residential, hotel and hospital environments without compromise.
Natural refrigerant R-290
Propane (R-290) carries a GWP of just 0.02. Fully compliant with the new F-gas regulation and delivering extremely low direct and indirect CO₂ emissions over the unit's lifetime.
Compact footprint
Four sizes from 20 to 85 kW, all with a minimal footprint. An ideal fit for space-constrained installations in residential buildings, hotels, and healthcare facilities.
Full inverter series
Inverter scroll compressor, VFD pump, and inverter-driven EC fans combine to deliver precise capacity modulation, outstanding part-load efficiency and low operating costs.
Green building ready
Contributes to BREEAM and LEED credits via inverter-driven hydronic efficiency and ultra-low GWP refrigerant. Smart grid accessory available to maximise renewable energy use.
Ultra-fast delivery. Maximum flexibility.
The Small Inverter is always ready from stock, meaning customers can respond immediately to urgent project needs.
No waiting, no delays — just performance exactly when it's required.
Ideal for last-minute substitutions, phased rollouts, and time-sensitive builds.
- Residential: Compact dimensions and silent operation make it ideal for apartments, villas and multi-family housing.
- Hotels: Consistent comfort across all seasons with 75 °C output for heating and domestic hot water.
- Healthcare: Reliable, safe operation with independent safety circuits and certified installation protocols.
- Retrofit: Drop-in replacement for existing gas boiler systems with minimal hydronic modifications.
Safety across every lifecycle stage
Daikin Safety Shield
Daikin's safety approach covers the full product lifecycle, ensuring partners, installers, and end users all benefit from the highest safety standards across every stage.
ATEX Certified Fans: Ventilate the panel, maintain positive pressure, and prevent flammable gas buildup.
Independent Power Supply: Dedicated safety circuit with UPS support ensures operation during power failure.
Visual & Acoustic Siren: Provides immediate audible and visual alerts in case of emergency.
Dual Leak Detectors: Detect R-290 leaks instantly and trigger shutdown, alarms, and ventilation.
Safe Hydronic Design: Detects refrigerant in the water circuit and isolates the unit automatically.
Verified Installation: Ensures installation by qualified professionals via Stand By Me and e-Care registration.
Technical data - EWYK-CZP
Cooling
Model | 020 | 025 | 030 | 050 | 085 |
Cooling Capacity (kW)* | 17.8 | 21.3 | 24.9 | 44.3 | 72.4 |
Power Input (kW) | 5.05 | 6.37 | 8.03 | 12.77 | 23.56 |
EER | 3.52 | 3.35 | 3.10 | 3.47 | 3.07 |
SEER | 5.37 | 5.41 | 5.25 | 5.54 | 5.48 |
* Cooling at 12/7°C, 35°C OAT. Performance data is preliminary and may change before sales launch.
Heating
Model | 020 | 025 | 030 | 050 | 085 |
Heating Capacity (kW)* | 19.9 | 24.5 | 30.2 | 49.3 | 82.6 |
Power Input (kW) | 5.09 | 6.40 | 8.22 | 13.10 | 23.95 |
COP | 3.91 | 3.83 | 3.68 | 3.76 | 3.45 |
SCOP (MT 55°C / LT 35°C) | 3.50 / 4.75 | 3.56 / 4.82 | 3.51 / 4.68 | 3.50 / 4.62 | 3.55 / 4.66 |
* Heating at 40/45°C, 7°C OAT. Performance data is preliminary and may change before sales launch.
General
Parameter | Value / Range |
Compressor Type | Inverter Scroll + Vapour Injection |
Heat Exchanger (Air) | Al Fins & Cu Tubes |
Heat Exchanger (Water) | Brazed Plate |
Fan Type | Axial (1–4 fans by size) |
Sound Power Level | 84–89 dB(A) (by size) |
Height × Depth | 1878 × 812 mm (all sizes) |
Width (by size) | 1259 → 1757 → 2516 → 3016 → 3516 mm |
Refrigerant Charge | 2.65 – 5.6 kg R-290 |