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DESCRIPTION
Water Chillers EWXA-EWXBA are compact units designed for its installation in the open air, on the ground or flat roof. It is provided with cooling load ready to installation.

CABINET
Freestanding base is built with profiles extremely rigid steel.The rest of the structure is made of galvanized steel, that provides and excellent covering. The color of finish set is RAL 1013.

WATER COOLING EXCHANGER
They are welded plates of stainless steel.They are well insulated and have an electrical heater to prevent freezing when the machine is stopped.

COMPRESSORS
EWXA-EWXBA range incorporates 2 compressors Scroll R410A assembled in tandem in an only refrigerant circuit. Compressor includes internal thermic protection of motor winds no requiring another motor protection. All the compressors equip an internal damping system and they are assembled on the chassis through dampers supports offering vibration-free operation. The compressors are fitted with crankcase heater for heating the oil and prevent accumulation of liquid refrigerant.

OUTDOOR COILS
Coils built with copper tubing without welding, they are expanded in aluminum fins.

POWER SUPPLY
Standard: 400.III+N.50Hz~.
Consult on the availability for other power supplies, availability for different tension and frecuencies.

MOTORFANS
Prepared for to be in the open air, totally enclosed with permanent lubrification. They consist for aluminum blades designed to get a low sound level, inserted into the outer rotor of a high-efficiency motor with IP-54 protection and Class F insulation They have internal temperature sensors for protection and a outer grill for safety.

EXPANSION DEVICES
Thermostatic expansion valves incorporate.

WATER CONNECTIONS
Standard connections for both input and output water are thread gas diameter 2 .

REFRIGERANT CIRCUIT
Include the elements below:
- 1 refrigerant circuitR410A
- Outdoor coils with copper tubing and aluminum fins
- Copper refrigerant lines ACR
- Drier filter in liquid lines
- Schrader Valves for service outlet in high and low pressure
- 4-way reversible valve (Only Heat Pump models)
- Expansion thermostatic system both cooling and heating
- Suction Acumulator
- Liquid vessel (Only Heat Pump models)
- Non-return valve

PROTECTIONS
- High pressure pressostat (cut-off to 42 bar and manual reset)
- Compressor crankcase heater
- Antifreeze protection for water
- Compressors control sequence
- Differential Pressostat

ELECTRONIC CONTROL
The microprocessor manages the machine functioning and its alarms. Through probes it controls continously water temperature. Regulation by
return temperature and optionally regulation by supply temperature.
Electronic Control includes:
- MODBUS Connection
- Time programmer
- Stop / Start up remote
- Selection Cooling / Heating remote
- Display temperatures water input / output
- Display condensation and evaporation pressure
- Alarms indication and remote control
- Second setpoint (by models)

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