MANTA...... R410A ..... 29 ÷ 670 kW

MAIN FEATURES
Water cooled liquid chiller.
33 models available, for a wide selection opportunity.
Average step of 25kW.
EER up to 4,18.
ESEER up to 5,51.
Scroll compressors.
R410A Refrigerant charge.
Plate type heat exchangers.
Suitable for indoor installation.

MAIN BENEFITS
Up to three scroll compressors for each refrigerant circuit to reach a high efficiency.
Units with single or double refrigerant circuits.
High ESEER.
Availability of partial heat recovery system.
Easily of maintenance.
Eurovent Certification.
 
INDOOR INSTALLATION
The machines are designed for indoor installation.

REDUCED NOISE EMISSION
The machines are characterized by a low sound level guaranteed by the containing structure.

DOMESTIC HOT WATER
On request is possible to install the system for the domestic hot water production.

WORKING LIMITS IN COOLING MODE
Evaporator chilled water outlet temperature: -12÷20°C Condenser outlet water temperature: 20÷60°C
 

MAIN COMPONENTS
FRAMEWORK
Base, self supporting frame and paneling in steel plate with protective surfaces treatment in compliance with UNI ISO 9227/ASTMB117 and ISO 7253, and painted with epoxy powders.
Colour: RAL 9002

 
COMPRESSORS
Orbiting spiral (SCROLL) hermetic compressors with spiral profile optimized for R410A refrigerant.
ON / OFF capacity control (0 / 100% each compressor).
2-pole 3-phase electric motor with direct on line starting.
Phase sequence electronic relay.
Crankcase heater.
Electric motor thermal protection via internal winding temperature sensors.
Rubber supports.

EVAPORATOR
Copper brazed plate type with cover plates, plates and connections in AISI 316 stainless steel:
With single refrigerant circuit for S version machines.
With double refrigerant circuit for D version machines.
Anticondensate insulation made of polyurethane.
Temperature sensors on water inlet and outlet.
Differential water pressure switch for water flow control.

CONDENSER
Copper brazed plate type with cover plates, plates and connections in AISI 316 stainless steel.
0÷10V proportional signal to manage the condensing control system of the 2-way motorized valve.

REFRIGERANT CIRCUIT
Components for each refrigerant circuit:
Thermostatic expansion valve up to model T 150 P2 included.
Electronic expansion valve from model T 170 P4 included. The valve allows high performance and system efficiency thanks to a timely and accurate response to changes in temperature and pressure.
The expansion valve is equipped with energy reserve to allow the closure of the valve in the event of lack of power supply.
Sight glass.
Electromagnetic valve on liquid line up to model T 150 P2 included. The electromagnetic valve is not installed when the electronic expansion valve is present.
Filter dryer on liquid line.
Service valves on liquid line and gas discharge.
Safety valves on high and low pressure side.
Pressure transducers with indication, control and protection functions, on low and high refrigerant pressure.
High pressure safety switch with manual reset.
Refrigerant circuit with copper tubing with anticondensate insulation of the suction line.
Plastic capillary hoses for pressure sensors connection.
R410A refrigerant charge.
 

ELECTRICAL PANEL
In accordance with EN60204-1 norms, suitable for indoor installation complete with:
Main switch with door lock safety.
Magnetothermic switch or fuses for each compressor.
Contactors for each load.
Transformer for auxiliary circuit and microprocessor supply.
Panel with machine controls.
Power supply 400/3/50.

CONTROL SYSTEM
MP.COM microprocessor system with graphic display for control and monitor of operating and alarms status. The system includes:
Voltage free contact for remote general alarm.
Main components hour-meter.
Nonvolatile “Flash” memory for data storage.
Menu with protection password.
LAN connection.

HYDRAULIC CONNECTIONS OF HEAT EXCHANGERS
The heat exchangers’ threaded hydraulic connections are available up to a diameter of 3 “ included, and correspond to ISO 228/1 – G M.
The pipes’ threaded hydraulic connections are available up to a diameter of 3 “ included, and correspond to ISO 7/1 – R.
The hydraulic connections with flange (FL) are not supplied with counter flange.
The hydraulic connections with grooved end are not supplied with flexible joint (optional accessory).