K I T - P E50/60 Hz

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Staircase or scape routes overpressure systems purpose:Automatic control of differential pressure and maintain it at 50Pa in a single stage

according to the UNE-EN 12101-6 standard.

• Overpressure by means of air supply causes inside the escape route such pressure that, at the same time, it will prevent the entry of smoke coming from the fire combustion. This is achieved by generating a pressure greater than the outside.

• The Casals Ventilación staircase overpressure system consists of a control panel (KIT-PE) and an air supply unit (any fan for air supply) that will provide the stairs or the escape route with enough pressure. It is available for three-phase and single-phase equipment.

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• The KIT-PE has everything necessary to operate au-tonomously, so the work of the installer will be much easier and it is only necessary connecting the kit to the fan and the fire detection control panel.

KIT-PE is composed of the following elements:> Frequency inverter programmed at 50 Pa

> High precision DPS differential pressure probe with dis-

play

> Magneto-thermal protector

> Line and error LED

> Test pushbutton

> Operation mode selector

> Easy installation> Compact solution> Preventive maintenance> Easy start-up (plug & play)> Secure installation

ADVANTAGES> Plug & play kit to operate as soon as it is connected to the fan and the fire detection panel.> Test mode to avoid installation failures.> Manufactured with high quality and precision products from leading brands such as Mitsubishi (frequency conver-ter).

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Power (kW) Input Voltage Output Voltage Output current Size length x width x depth0,55 400Vac III 400Vac III 1,4A 1 270x270x180mm1,1 400Vac III 400Vac III 2,6A 1 270x270x180mm2,2 400Vac III 400Vac III 4,3A 2 360x360x180mm3 400Vac III 400Vac III 6A 2 360x360x180mm4 400Vac III 400Vac III 9,6A 2 360x360x180mm0,37 230Vac II 230Vac III 1,79A 1 270x270x180mm0,75 230Vac II 230Vac III 3,18A 1 270x270x180mm1,1 230Vac II 230Vac III 4,73A 1 270x270x180mm2,2 230Vac II 230Vac III 7,88A 2 360x360x180mm2,2 230Vac II 230Vac III 7,88A 2 360x360x180mm

• The KIT-PE units are available in two different sizes according to this table:

MODEL 1 MODEL 2

50 Pa2m/s 2m/s

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UNE-EN 12101-6 describes the differential pressure systems that are applied in escape routes, especially protected stairways.

These systems are based on the mechanical supply of external air into the stairwell, which generates a positive pressure that pre-vents the entry of combustion products into the exhaust routes. Its installation helps to evacuate the occupants in case of a fire as it prevents or reduces its vertical spread.

The required flow rate will vary depending on the design con-ditions of the building. Broadly speaking, a passing speed of

0.75m/s will be imposed when the ladder is used as a means of escape for occupants and 2m/s when they are used by the extin-guishing services.

The pressurization system must be able to maintain a pressure differential of 50Pa, in addition to overcoming the pressure drops of the installation.

Proposal: the installation of an automatic system consisting of a differential pressure probe (DPS), a frequency regulator (SFC) and a fan suitable to the needs.

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O V E R P R E S S U R E K I T

P R O B E

pressureconnection

pressure connectionconnection signal

motor power connection

I N V E R T E Rmotor power connection

Pressure difference criterion (with all doors closed).Air speed criterion.

gridgrid

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