The Daikin R-32 Small Inverter Chiller EWAT-CZ is an air-cooled scroll chiller for small to medium-size buildings, able to cover both comfort cooling and process cooling needs.
Specifications
| Model | EWAT016CZN | EWAT021CZN | EWAT025CZN | EWAT032CZN | | Cooling capacity | Nom. | | kW | 15.9 | 20.9 | 25.6 | 32.4 | | Capacity control | Method | | | Inverter controlled | Inverter controlled | Inverter controlled | Inverter controlled | | | Minimum capacity | | % | 18 | 14 | 12 | 19 | | Power input | Cooling | Nom. | kW | 5.50 | 6.60 | 8.50 | 10.3 | | EER | | | | 2.90 | 3.16 | 3.00 | 3.13 | | Dimensions | Unit | Depth | mm | 802 | 802 | 802 | 802 | | | | Height | mm | 1,878 | 1,878 | 1,878 | 1,878 | | | | Width | mm | 1,152 | 1,152 | 1,152 | 1,752 | | Weight | Operation weight | | kg | 223 | 247 | 247 | 343 | | | Unit | | kg | 222 | 245 | 245 | 340 | | Water heat exchanger | Type | | | Braze plate heat exchanger | Braze plate heat exchanger | Braze plate heat exchanger | Braze plate heat exchanger | | | Water volume | | l | 1 | 2 | 2 | 2 | | Air heat exchanger | Type | | | High efficiency fin and tube type | High efficiency fin and tube type | High efficiency fin and tube type | High efficiency fin and tube type | | Fan | Speed | | rpm | 800 | 800 | 900 | 700 | | Compressor | Quantity | | | 1 | 1 | 1 | 1 | | | Type | | | Scroll compressor | Scroll compressor | Scroll compressor | Scroll compressor | | Sound power level | Cooling | Nom. | dBA | 76.0 | 76.0 | 78.0 | 79.0 | | Sound pressure level | Cooling | Nom. | dBA | 59.7 | 59.7 | 61.7 | 62.2 | | Refrigerant | Type | | | R-32 | R-32 | R-32 | R-32 | | | GWP | | | 675 | 675 | 675 | 675 | | | Circuits | Quantity | | 1 | 1 | 1 | 1 | | | Charge | | kg | 3.00 | 5.50 | 5.50 | 7.00 | | Piping connections | Water heat exchanger inlet / outlet | | | 1''1/4 | 1''1/4 | 1''1/4 | 1''1/4 | | Notes | | | | (1) - Cooling: EW 12°C; LW 7°C; ambient conditions: 35°CDB | | | | | | (2) - Cooling: EW 23°C; LW 18°C; ambient conditions: 35°CDB | | | | | | (3) - Condition: Ta DB/WB 7°C/6°C - LWC 35°C (DT = 5°C) | | | | | | (4) - Condition: Ta DB/WB 7°C/6°C - LWC 45°C (Dt=5°C) | | | | | | (5) - According to EN14825 | | | | | | (6) - Depends on operation mode, refer to installation manual. | | | | | | (7) - For more details, see operation range drawing |
Specifications
| Model | EWAT040CZN | EWAT050CZN | EWAT064CZN | EWAT090CZN | | Cooling capacity | Nom. | | kW | 41.4 | 50.8 | 64.0 | 88.3 | | Capacity control | Method | | | Inverter controlled | Inverter controlled | Inverter controlled | Inverter controlled | | | Minimum capacity | | % | 14 | 12 | 15 | 14 | | Power input | Cooling | Nom. | kW | 13.2 | 17.0 | 21.8 | 31.0 | | EER | | | | 3.12 | 2.98 | 2.93 | 2.84 | | Dimensions | Unit | Depth | mm | 814 | 814 | 814 | 814 | | | | Height | mm | 1,878 | 1,878 | 1,878 | 1,878 | | | | Width | mm | 2,306 | 2,306 | 2,906 | 3,506 | | Weight | Operation weight | | kg | 486 | 486 | 580 | 680 | | | Unit | | kg | 480 | 480 | 574 | 672 | | Water heat exchanger | Type | | | Braze plate heat exchanger | Braze plate heat exchanger | Braze plate heat exchanger | Braze plate heat exchanger | | | Water volume | | l | 5 | 5 | 5 | 8 | | Air heat exchanger | Type | | | High efficiency fin and tube type | High efficiency fin and tube type | High efficiency fin and tube type | High efficiency fin and tube type | | Fan | Speed | | rpm | 700 | 900 | 800 | 900 | | Compressor | Quantity | | | 2 | 2 | 2 | 2 | | | Type | | | Scroll compressor | Scroll compressor | Scroll compressor | Scroll compressor | | Sound power level | Cooling | Nom. | dBA | 80.0 | 81.0 | 83.0 | 85.0 | | Sound pressure level | Cooling | Nom. | dBA | 62.8 | 63.8 | 65.4 | 67.0 | | Refrigerant | Type | | | R-32 | R-32 | R-32 | R-32 | | | GWP | | | 675 | 675 | 675 | 675 | | | Circuits | Quantity | | 2 | 2 | 2 | 2 | | | Charge | | kg | 12.0 | 12.0 | 13.0 | 16.0 | | Piping connections | Water heat exchanger inlet / outlet | | | 2'' | 2'' | 2'' | 2'' | | Notes | | | | (1) - Cooling: EW 12°C; LW 7°C; ambient conditions: 35°CDB | | | | | | (2) - Cooling: EW 23°C; LW 18°C; ambient conditions: 35°CDB | | | | | | (3) - Condition: Ta DB/WB 7°C/6°C - LWC 35°C (DT = 5°C) | | | | | | (4) - Condition: Ta DB/WB 7°C/6°C - LWC 45°C (Dt=5°C) | | | | | | (5) - According to EN14825 | | | | | | (6) - Depends on operation mode, refer to installation manual. | | | | | | (7) - For more details, see operation range drawing |
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