EWAD920C-SR - Air Conditioning DAIKIN - Free user manual and instructions
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| Product type | Screw air cooler (central air conditioning) |
| Brand | Daikin |
| Model | EWAD920C-SR |
| Nominal cooling capacity | 920 kW |
| Dimensions (L x W x H) | 4500 x 2200 x 2500 mm |
| Net weight | 3200 kg |
| Power supply | 400 V three-phase, 50 Hz |
| Compressor | Screw compressor, semi-hermetic type |
| Refrigerant | R-134a |
| Noise level | 85 dB(A) at 10 m |
| Main functions | Cooling, temperature regulation, frost protection |
| Hydraulic connection | DN150, PN16 flange |
| Maintenance | Semi-annual cleaning of coils, check of pressures and oil levels |
| Safety | Overload protection, high/low pressure switches, thermal protection |
| Repairability | Spare parts available from the manufacturer |
| Operating temperature | -5 °C to 45 °C |
| Protection rating | IP54 (electrical box) |
| Compliance | CE, RoHS |
Frequently Asked Questions - EWAD920C-SR DAIKIN
How to start the Daikin EWAD920C-SR for the first time?
Before starting, check that all valves are open, the power supply is correct (400 V three-phase) and the refrigerant level is as required. Set the main switch to the ON position and follow the instructions in the commissioning manual. It is recommended to call a certified technician for the first start-up.
What is the recommended maintenance procedure for this unit?
Maintenance includes cleaning the air coils every six months, checking discharge and suction pressures, checking the compressor oil level, and inspecting electrical connections. An annual maintenance contract is strongly advised.
What to do if the unit displays an error code 'HP'?
The 'HP' code indicates excessive high pressure. Check that the fans are working properly, the coils are not obstructed, and the expansion valve is not blocked. If the problem persists, contact a professional.
Can I use the Daikin EWAD920C-SR with a different refrigerant?
No, this model is specifically designed for R-134a. Using a different refrigerant can damage the compressor and void the warranty. Check the nameplate for the recommended refrigerant.
What are the exact dimensions of the unit?
The approximate dimensions are 4500 mm length, 2200 mm depth, and 2500 mm height. Check the technical data sheet for precise dimensions according to the configuration.
Is the unit compatible with a building management system (BMS)?
Yes, the Daikin EWAD920C-SR has an RS485/Modbus interface allowing integration into a BMS. Refer to the installation manual for wiring and configuration.
How to clean the condenser coils?
Use a low-pressure cleaner with warm water and a non-corrosive detergent. Rinse thoroughly and avoid bending the fins. Perform this operation during semi-annual maintenance.
What is the required supply voltage?
The power supply must be 400 V three-phase, 50 Hz, with a tolerance of ±10%. A voltage imbalance greater than 2% may cause malfunctions.
Where to find spare parts for the model EWAD920C-SR?
Spare parts can be ordered from your authorized Daikin distributor. Have the serial number and exact model ready. Common parts (filters, belts, sensors) are available under catalog reference.
What to do in case of water leakage from the unit?
Immediately stop the unit and cut off the power supply. Locate the leak (visual: puddles, drips). Check the hydraulic connections, seals, and air purge. If the leak comes from the evaporator bundle, contact a technician.
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USER MANUAL EWAD920C-SR DAIKIN
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Product information
Brand : DAIKIN
Model : EWAD920C-SR
Category : Air Conditioning