Solutions:

This blast freezer will need 75KW cooling capacity. 30HP Two stage Bitzer(S6F-30.2Y) cooling capacity is 25.3KW at -40C evaporating temperature/+40C condensing temperature/R404A.So it will need 3 units of 30HP Bitzer two stage compressor unit.the details is as following:

1)Bitzer (S6F-30.2Y) Two stage compressor condensing unit.includes: Compressor,air-cooled condenser FNV-73/210 with 2x700mm fans,30L receiver tank, oil separator,accumulator,dry filter,liquid sight glass,shut on.off valve,High & low pressure guage,high & low pressure pressure control. solenoid valve,shock reducer etc.Installation copper pipe:7/8 & 2-1/8
Voltage:380V/3/50HZ/R404A

Qty: 3 units.

2)Evaporator:DJ-26/170
Cooling capacity:26KW
Heating area:170m2
Fin space:9mm
Fan:4x550mm
Fan power:4x550W
Air-volume:32000m3/h
Defrost power:17600W
Outside dimension:L3520mmxW680mmxH740mm

Qty:3 units

3)Expansion valve:10TR

4)Wiring control Box.
The 3 compressor units & Evaporators will use only one temperature controller. not 3.
Overload protector,short phase protector,over current protector,overload voltage protector etc.

Superman temperature control.
Schneider Contactor
CHINT air-switch & breaker.
New asia protector.

5)Panel is 150mm thickness PU 304 stainless steel panels with 750mmx1700mm swing door. the cold room outside dimension is L12mxW3.5mxH2.5m

If you have any questions to discuss with us.please contact us any time.

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