INTARCON BCV-I - Unit Composition and Components; Refrigerant Circuit Components

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5. COMPOSITION
MCV / BCV units are built on a self-contained construction. The components are assembled on a steel
structure and covered with a prelacquered galvanised steel shell. It consists of:
Refrigerant circuit
§ Hermetic reciprocating compressor with internal protection, assembled on silentblocs
§ R404-A or R134a refrigerant load.
§ HP and LP pressure switches.
§ HP and LP load nipples.
§ Thermostatic expansion valve (capillary tube in medium temperature models with power lower
than 1,5 HP (R404A) and 1 HP (R134a).
§ Antiacid dehydrating filter.
§ Evaporation coil in copper tubes and aluminium fins with stainless steel drain tray.
§ Condensation coil in copper tubes and aluminium fins.
§ Solenoid valve for the hot gas bypass.
§ Water drain bucket including hot gas coil for the automatic evaporation of drain water.
Air circuits
N/I version:
§ Direct driven axial fans with single phase motor. Dynamically equilibrated blades with protection
grill.
C version:
§ Direct driven centrifugal fans with single phase motor. Dynamically equilibrated rotor.
Electric board
§ Circuit breaker protection
§ Electric control XW270K with the following elements and features:
- transformer 230 VAC / 12 VCC,
- microprocessor,
- alarm relay,
- compressor relay,
- defrost relay,
- evaporator fan relay,
- cold room light relay,
- condenser fan relay,
- door switch digital input
- H/LP pressure switch input
- inside temperature NTC probe
- outside temperature NTC probe
- defrost NTC probe
- RS485 connection,
- programming key connection,