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Description
The RCCA RCF–RCCB RCF series are Roof Top type Airconditioners cooling only and air to air heat pumps, with centrifugal fans, to operate through an air duct distribution system and to be installed in technical rooms. Air return may be made thought side (standard return) or thought the top (optional return). The impulsion also may be made thought the side (standard) or thought the base (optional impulsion). Units are supplied totally finished, having passed a strict final run test and ready to be installed on site (duct system, electric supply, controller, drain…). The unit is delivered with operational R410A charge. These devices are designed internally so it is impossible that water entered in the pipes, if it’s condensed water or defrost water. The base, made of sheet metal profiles, giving adequate structural rigidity for handling or safe transport to interior components.

Cabinet:
Manufactured in galvanized steel, finished with polyester resins, polymerized in the oven (RAL 1013), excellent resistance to corrosion and in the open. The set is lined with thermoacoustic insulation.

Compressors
Compressors used have been specially conceived for Heat Pump applications, therefore allowing wide operating limits.
Equipped with internal thermal protection -any other additional protection is not needed-, they incorporate internal shock-absorbing systems mounted on the base with anti-vibration supports.
Lubricant oil -resistant to high temperatures- and crankcase heater are included. Compressors are SCROLL type.

Heat exchangers
Coils are made of aluminium fins and 3/8" copper tubing, mechanically expanded, of high exchanging efficiency.

Expansion Device
Thermostatic expansion valve on both indoor and outdoor sides (Heat Pump).

Fans
Indoor section fans are Centrifugal with double suction that allow for duct application. Driven by transmission, through pulleys and belt for airflow/static pressure regulation. Fans are of reduced sound power level, incorporate pre-lubricated bearings and are static and dynamically balanced. His motor is protected by thermal relay.

Air Filters
Washable polyurethane foam of 10mm thickness, S-20 high efficiency filtering. Standard filters G2 class.

COOLING CIRCUIT
This includes the following elements:
- One or two circuits depends on model.
- ACR copper refrigerant line.
- Brazing is made with silver alloy
- In-line drying filters.
- Schrader valves for high and low pressure service connections.
- Reversible 4-way valves.
- Non-return valves.
- Double expansion system.

Control Equipment
Depending on versions
- Room thermostat.
- Controller pGD for Economizer and Heat Recovery
- Main circuit breaker.
- Contactors for compressor, fan motors.
- Overloads for three phase fan motors.
- Magnetothermic circuit breakers for Compressors and Fan motors H.P. pressostat manual reset, L. P. pressostat automatic reset.
- Reversing valve, solenoid operated 230V.
- Time delay, anticycle protection. Defrost system based on periods of time and temperature of outdoor coil.


Electric Supply
400V,~3N, 50Hz

Filtros

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