EWAT155B-SSB2 - Air Conditioning DAIKIN - Free user manual and instructions
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| Product Type | Air-cooled water chiller |
| Model | EWAT155B-SSB2 |
| Brand | Daikin |
| Cooling Capacity | 155 kW |
| Power Supply | 400 V / 3-phase / 50 Hz |
| Refrigerant | R410A |
| Dimensions (L x W x H) | 2500 x 1000 x 1800 mm |
| Weight | 2000 kg |
| Compressor Type | Scroll |
| Condenser Type | Air-cooled fin-and-tube |
| Evaporator Type | Brazed plate heat exchanger |
| Sound Pressure Level | 75 dB(A) at 1 m |
| Water Flow Rate | 26.6 m³/h |
| Water Pressure Drop | 40 kPa |
| Ambient Operating Range | -10°C to 45°C |
| Safety Features | High/low pressure switch, overload protection, freeze protection |
| Maintenance | Clean condenser coils annually, check refrigerant charge, inspect electrical connections |
| Spare Parts | Filters, fan motors, compressors, pressure switches, control boards |
| Reparability | Modular design; components replaceable by qualified technicians |
| Warranty | 2 years (parts and labor) |
Frequently Asked Questions - EWAT155B-SSB2 DAIKIN
What is the correct installation clearance for the unit?
Maintain at least 1.5 m clearance on all sides for proper airflow and service access.
How often should the condenser coils be cleaned?
Clean condenser coils at least twice a year or more frequently in dusty environments to ensure efficient heat exchange.
What type of refrigerant does this chiller use?
The unit uses R410A refrigerant which is a high-pressure HFC blend.
Can the chiller operate in freezing conditions?
Yes, the unit includes freeze protection and can operate down to -10°C ambient temperature, but water loop may require antifreeze.
What should I do if the unit displays a low pressure alarm?
Check for refrigerant leaks, ensure the liquid line valve is open, and verify that the evaporator water flow is adequate.
How do I reset the high pressure cutout switch?
Press the manual reset button on the high pressure switch after identifying and correcting the cause of high pressure.
Is regular water treatment required for the evaporator circuit?
Yes, maintain proper water quality with chemical treatment to prevent scaling and corrosion in the evaporator.
What is the recommended temperature setpoint for chilled water?
Typical setpoint is 7°C (44.6°F) for standard air conditioning applications.
Can the unit be controlled remotely?
Yes, it supports Modbus RTU communication for integration with building management systems.
What safety precautions should be taken during maintenance?
Always disconnect power supply before servicing, use proper PPE, and recover refrigerant properly.
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USER MANUAL EWAT155B-SSB2 DAIKIN
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Product information
Brand : DAIKIN
Model : EWAT155B-SSB2
Category : Air Conditioning