I would like to know how walkin freezer is designed.
For example A freezer of size 10ft X 10ft and 9 ft high (rooms inside
dimensions) with assumption that we have the required insulation in
The ambient Design Temperature being 40 deg Celcius
Required Room temperature minus 20 deg celcius
and air cooled condensor to be considered
the piping (distance between the evaporator and compressor to be 30
required is the evaporator and compressor selection, pipe size.
Ok - So you've got a room volume of about 25m3 and you desire a split of
60degC and I'll assume a room RH of 85% Fabric Loads are about 0.5kW and
expected air change infiltration about another 0.5kW. However the main
variables are what are you going to put in there eg if you put 500kg of Beef
and say 500kg of pork in there at an entering temperature of 15 degC and you
need it to get down to temperature in 10 hours then a 15kW unit would
suffice, but if you wanted the same load dropped in 1 hour, then you'd need
125kW. So make sure you include all of the answers to the questions that I
might think of before you ask for a generic design solution - because
there's really no such thing!!!!!!!!!!!
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