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Base of Calculation

Model GPM GPMH GPB GPC GPT1 GPD1 GPMB GPBM
Outside Temperature ºC 32 32 32 32 32 32 32 32
Room Temperature ºC 0 0 -20 -30 - - 0/-20 -20/0
Storage density (Kg/m³) 250 250 250 250 - - 250 250
Working hours (h/día) 18 18 18 18 - - 18 18
Thermal insulation mm (polyurethane 40 kg/m³) 100 100 120 150 150 150 120 120
Transmission coefficient (W/m²K) 0,35 0,35 0,29 0,23 0,23 0,23 0,29 0,29
Product entrance temperature ºC 25 25 -12 -20 - - 25/-12 -12/25
Dayly storage(% del total) 10% 10% 7% 7% - - 10%/7% 7%/10%
Specific Heat (kj/kgºK) 3,2 3,8 1,8 1,8 - - 3,2/1,8 1,8/3,2
The given kg/day is guide data at  -30ºC air, working 20h/day, and with 419 kJ/kg of specific heat for all concepts.

 

GPA Those units wirk between +3ºC y 15ºC, in cold rooms and processing rooms. Thus, the volumes are not given. Consult.

GPMH Given volumes correspond to working conditions shown here above; other operating conditions will provide differente volumes. Consultar

GPT (One stage compressor tunnel).

GPD
(Two stage compressor tunnel).

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