CDA HCE340 for Manual de Serviço descarregar pdf (Página 7)

HCW340 Technical data for water heating coil – accessories

Technical data

Test pressure 3000 kPa

Max. operating pressure 1600 kPa

Number of rows of pipes 1

Number of circuits 2

Face area (HxW) 420 x 520 mm

Pipe connection DN15 (1/2’’)

Fin spacing 1.6 mm

Weight (without uid) 15.5 kg

Water content 1.3 l

Calculation example for water heating coil

Conditions

Water supply temperature 60 °C

Water return temperature 40 °C

Tolerance of calculated results ± 10 %

Volume ow ratio 1.0

Heat recovery 100 %

NB:

For frost protection using glycol, the output values in the table

below must be reduced by approximately 15–20%.

We recommend the heating coil requirements are precisely calculated using the EXselect product

selection software tool on our website, which also includes more comprehensive calculation data.

VEX340 (2000 m

/h) / HCW340 heating coil (100 % heat recovery)

Outdoor

air temp./

humidity

Room temp./

humidity

Temp. and

humidity

after exchanger

HCW

output

Supply air

temp./humidity

Water

ow

p HCW

p K

air side

[°C / %] [°C / %] [°C / %] [kW] [°C / %] [l/h] [kPa] [kPa] [Pa]

-12 / 80 22 / 20 16.0 / 10.0 3.3 22 / 7 144 0.167 0.4 12.97 20

-20 / 85 22 / 20 14.7 / 5.0 4.17 22 / 6.3 183 0.183 0.4 20.84 20

Example of calculated values for the heating coil

VEX340

1 2 3 4 5 6 7 8 9 10 11 12 ... 23 24

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