Catalogof Equiment

MAIN COMPONENTS

FRAMEWORK

• Base in aluminium extrusion, painted with epoxy powders. Colour RAL 9005;
• Supporting feet in galvanized steel sheet with holes for floor fixing or rubber shock absorbers installation;
• Inner frame and upper frame in aluminium profile, painted with epoxy powders. The inner frame is provided with seals for the panels. Colour RAL 9005;
•  Panels in galvanized steel sheet with protective surfaces treatment in compliance with UNI ISO 9227/ASTMB117 and ISO 7253, and painted with epoxy powders. Colour RAL 7016 hammered;
•  Removable frontal panels for a total front access for routine maintenance;
•  Removable side panels with grilles for interior ventilation;
•  Compartment for electrical panel on unit front for direct access to control and regulation devices;
•  Hydraulic and refrigerant connections on the machine top cover.

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;
•  Crankcase heater;
•  Electric motor thermal protection via internal winding temperature sensors;
•  Equalization system of the lubricant oil for units equipped with 2 or 3 compressors operating on the same refrigerating circuit;
•  Rubber supports.

PLANT SIDE HEAT EXCHANGER

•  AISI 316 stainless steel plates type, vacuum brazed using copper as brazing material. Hydraulic and refrigerant connections in AISI 316 stainless steel:

- With single hydraulic circuit for all machines;
- With single refrigerant circuit for S version machines – size M1, M2, M3;
- With double refrigerant circuit for D version machines – size M4

•  Polyurethane insulation foam with closed cell;
•  Temperature sensors on water inlet and outlet;
•  Factory assembled differential water pressure switch for water flow control;
•  Hydraulic piping insulated with closed cell elastomeric foam;
•  Hydraulic connections on the machine top cover.

REFRIGERANT CIRCUIT

Components for each refrigerant circuit:

•  Reversing valve for refrigeration cycle inversion
•  Thermostatic expansion valve;
•  Electronic expansion valve for models 236 P2 S – 284 P4 D – 328 P4 D -372 P4 D – 422 – P4 D - 472 P4 D P4 D;
•  Sight glass;
•  Electromagnetic valve on liquid line. The valve is not installed on models 236 P2 S - 280 P3 S – 328 P4 D - 372 P4 D – 422 – P4 D - 472 P4 D;
•  Filter dryer on liquid line;
•  Service valve on liquid line upstream the filter dryer. The valve is present only with exchangeable cartridge filter;
•  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;
•  Liquid receiver with safety valve and service valve;
•  Liquid separator with safety valve on compressor suction side;
•  Valves on gas delivery and liquid return for coupling to remote air cooled condenser.
•  Refrigerant circuit with copper tubing with 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 on frontal panel;
•  Magnetothermic switches or fuses for each compressor;
•  Contactors for each compressor motor;
•  Transformer for auxiliary circuit and microprocessor supply;
•  Machine operating mode selector “Loc – Off - Remote”:

- Loc position: Machine is active;
- Off position: Machine is deactivated;
- Remote position: The machine is remotely controlled with a command by the Customer. Electric connections in the terminal.

•  Machine operating mode selector “Summer – Winter - Remote”:

- Summer position: Summer working mode with chilled water production.
- Winter position: Winter working mode with hot water production.
- Remote position: The machine is remotely controlled with a command by the Customer. Electric connections in the terminal.

•  Terminals:

OUTLETS

- Voltage free deviating contact for General Alarm 1.
- Voltage free deviating contact for General Alarm 2 – only for units with single refrigerant circuit.

INLETS

- External enabling (from timer, ecc. At Customer care);
- Remote control (from operating mode selector. At Customer care);
- Emergency unit stop with signalling on display (external alarm. At Customer care).;

•  Panel with machine controls;
•  Power supply: 400V / 3Ph / 50Hz.

CONTROL SYSTEM

Microprocessor control system with graphic display for control and monitor of operating and alarms status. The system includes:

•  Built-in clock for alarms date and time displaying and storing;
•  Built-in memory for the storing of the intervened events (up to 100 events recorded);
•  Predisposition for connectivity board housing ( RCcom MBUS/JBUS, LON, BACnet for Ethernet (SNMP- TCP/IP), BACnet for MS/TP). The electronic cards are optional accessories;
•  Main components hour-meter;
•  Non-volatile “Flash” memory for data storage in case of power supply faulty;
•  Analogue set point compensation (0÷10 Vdc) according to an external analogue signal at Customer care;
•  Menu with protection password;
•  LAN connection (max 15 units).

TO BE MATCHED WITH REMOTE EXHAUSTION HEAT EXCHANGERS

•  MANTA EVO A HP series is designed to be matched with remote air/gas exhaustion heat exchangers with axial fans (TEAM MATE HP series) or plugfan (TEAM MATE HP PF series).