| EWAQ016CAWH | EWAQ021CAWH | |||||
|---|---|---|---|---|---|---|
| Operation range | Air side | Cooling | Min. | °CDB | -5 | -5 |
| Max. | °CDB | 43 | 43 | |||
| Water side | Cooling | Max. | °CDB | 20 | 20 | |
| Min. | °CDB | -10 (3) | -10 (3) | |||
| Refrigerant charge | Per circuit | kg | 7.60 | 7.60 | ||
| Per circuit | TCO2Eq | 15.9 | 15.9 | |||
| Compressor | Type | Hermetically sealed scroll compressor | Hermetically sealed scroll compressor | |||
| Quantity | 1 | 2 | ||||
| Weight | Unit | kg | 283 | 336 | ||
| Air heat exchanger | Type | Air cooled coil | Air cooled coil | |||
| EER | 2.93 | 2.84 | ||||
| ESEER | 4.69 | 4.58 | ||||
| Refrigerant | GWP | 2,087.5 | 2,087.5 | |||
| Type | R-410A | R-410A | ||||
| Circuits | Quantity | 1 | 1 | |||
| Control | Electronic expansion valve | Electronic expansion valve | ||||
| Cooling capacity | Nom. | kW | 17.0 (1) | 21.2 (1) | ||
| Water heat exchanger | Water volume | l | 3 | 3 | ||
| Type | Brazed plate | Brazed plate | ||||
| Water flow rate | Min. | l/min | 23 | 23 | ||
| Power input | Cooling | Nom. | kW | 5.81 (1) | 7.47 (1) | |
| Sound power level | Cooling | Nom. | dBA | 78 | 78 | |
| Dimensions | Unit | Width | mm | 1,370 | 1,370 | |
| Depth | mm | 774 | 774 | |||
| Height | mm | 1,684 | 1,684 | |||
| Capacity control | Minimum capacity | % | 25 | 25 | ||
| Method | Inverter controlled | Inverter controlled | ||||
| Fan | External static pressure | Max. | Pa | 78 | 78 | |
| Air flow rate | Cooling | Nom. | m³/min | 171 | 185 | |
| Water circuit | Total water volume | l | 4.2 (6) | 4.2 (6) | ||
| Drain valve / fill valve | Yes | Yes | ||||
| Air purge valve | Yes | Yes | ||||
| Piping | inch | 1-1/4" | 1-1/4" | |||
| Piping connections diameter | inch | 1-1/4" (female) | 1-1/4" (female) | |||
| Shut off valve | Yes | Yes | ||||
| Safety valve | bar | 3 | 3 | |||
| Power supply | Phase | 3N~ | 3N~ | |||
| Name | W1 | W1 | ||||
| Frequency | Hz | 50 | 50 | |||
| Voltage | V | 400 | 400 | |||
| Notes | (1) - Cooling: entering evaporator water temp. 12°C; leaving evaporator water temp. 7°C; ambient air temp. 35°C | (1) - Cooling: entering evaporator water temp. 12°C; leaving evaporator water temp. 7°C; ambient air temp. 35°C | ||||
| (2) - Condition: Ta 35°C - LWE 7°C ( DT = 5°C) | (2) - Condition: Ta 35°C - LWE 7°C ( DT = 5°C) | |||||
| (3) - Water can be used above 5°C. Between 0°C and 5°C a 30% glycol solution (propylene or ethylene) has to be used. Between 0°C and -10°C a 40% glycol solution (propylene or ethylene) has to be used (see installation manual and information related to OPZL option) | (3) - Water can be used above 5°C. Between 0°C and 5°C a 30% glycol solution (propylene or ethylene) has to be used. Between 0°C and -10°C a 40% glycol solution (propylene or ethylene) has to be used (see installation manual and information related to OPZL option) | |||||
| (4) - Excluding water volume in the unit. In most applications this minimum water volume will have a satisfying result. In critical processes or in rooms with a high heat load though, extra water volume might be required. Refer to operation range for more info. | (4) - Excluding water volume in the unit. In most applications this minimum water volume will have a satisfying result. In critical processes or in rooms with a high heat load though, extra water volume might be required. Refer to operation range for more info. | |||||
| (5) - This is PD between inlet & outlet connections of unit. It includes the water side heat exchanger pressure drop. | (5) - This is PD between inlet & outlet connections of unit. It includes the water side heat exchanger pressure drop. | |||||
| (6) - Including piping + PHE; excluding expansion vessel | (6) - Including piping + PHE; excluding expansion vessel | |||||
| (7) - No peak current because of inverter compressor | (7) - No peak current because of inverter compressor | |||||