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– Hermetic reciprocating compressor mounted on shock absorbers, with discharge muffler (series 3 to 5) and internal klixon.
– High performance condensing coil in copper pipes and aluminium fins.
– Centrifugal motor fan with available static pressure for a ducted outlet of condenser hot air.
– Refrigeration circuit equipped with HP and LP switches, filter dryer, liquid receiver and sight gauge.
– Digital control of condensing pressure.
– Proportional control of condensing pressure through fan speed variation (series 4 and 5).
– Full control and power board with compressor and motor fan protection.
– Electronic regulation with control pad (version N).
– Built-in oil separator (version V).
– Liquid injection system for negative temperature models with R449A.
INTARBOX CONDENSING UNITS
Air-cooled packaged condensing units with centrifugal fan in mechanical, electronic and multiservice versions.
Tropicalized design for ambient temperature up to 45 ºC.
Thermostatic expansion valve.
Centrifugal version for a ducted outlet of condenser hot air.
VERSION N: ELECTRONIC
The electronic version of Intarbox condensing units feature a XWING electronic controller to manage the condensing unit and the evaporator built-in solenoid valve as an option.
VERSIÓN M: MECHANICAL
The mechanical version is designed for on/off operation depending on the
suction pressure (pump-down).
VERSIONES V:
Multiservice with VRC system.
Optional
- Change to 400 V-III-50 Hz power supply. *
- Crankcase heater.
- Built-in solenoid valve (versions N and M).
- Rectangular to circular duct adaptor (series 3 to 5).
- Anti-corrosion coil coating.
- Coil protection grille.
SERIE MDH-V & MDF-V. VRC SYSTEM
Multiservice version, featuring VRC Variable Refrigerant Capacity System, of the condensing units is specifi cally designing for the centralisation of cooling production of several evaporators:
– Suction pressure valve (VP).
– By-pass pressure valve (VC).
– Thermostatic expansion valve for liquid injection (VE).
– Pressure control switch (IP).
Multiservice versions of condensing units:
Intarbox horizontal centrifugal for several services:
– MDH-CV/-V and BDH-CV/-V series.
Sigilus low-noise axial for several services:
– MDF-V and BDF-V series.
VRC system: Variable Refrigerant Capacity
The VRC system applied to a reciprocating hermetic compressor adjusts the flow of refrigerant to the evaporator unit’s demand by maintaining constant pressure in the suction line.
The VRC system is composed of a set of pressure and temperature valves capable of progressive variation of a compressor’s cooling capacity between 100 % and 10 % of this rated power, at the sames time the system reduces electrical input power and protects the compressor, maintaining its compression ratio within security margins, eliminating the risk of overheating.
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