CDA HCE340 for Manual de Serviço descarregar pdf (Página 5)

VEX340

VEX340 Capacity curves

Capacity curve with F5 lters

SFP curve [J/m

]

Operating curves

A = Pressure loss supplement with F7 lter

B = Pressure loss supplement with HCE/HCW

C = Pressure loss supplement with CCW

Capacity calculations are based on conditions given

on our website.

To calculate capacity data, use our product

calculation software on our website.

VEX340 Temperature efciency

The VEX unit temperature efciency is shown at different

volume ow ratios, calculated as:

Supply air

= 0.8 and 1.0

Extract air

2.2

- t

2.1

Temperature efciency

1.1

- t

2.1

= Temperature of outdoor air

2.2

= Temperature of supply air

1.1

= Temperature of extract air

Efciency without condensation according to EN308

Extract air = 25°C/30% RH - Outdoor air = 5°C/50% RH

Balance between supply air/extract air = 1.0

Efciency without condensation with imbalance

Extract air = 25°C/30% RH - Outdoor air = 5°C/50% RH

Balance between supply air/extract air = 0.8

Efciency with condensation

Extract air = 20°C/55% RH - Outdoor air = -10°C/50% RH

Balance between supply air/extract air = 1.0

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CDA HCE340 for Manual de Serviço Página 5