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Danfoss Cascade HFC Application Manual Download Page 4

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Application guide  RA8AB102  ©  Danfoss  10/2010 

Cascade HC/HFC - CO2 system

Cascade HFC - CO2 system

AKS 32 R

AKS 32R

GD/DGS

AKS 11

AKS 2050

AKS 11

AK-PC 740/780

GD/DGS

AKS 11

AKS 32R

AKD 102

AKS 11

DCR

Pump

SGN

AKS 2050

AKS 11

EKC 313

EVR

ETS

DCR

AKD 102

AKD 102

AK-CC 450

AKS 11

AKVH

AK-CC 550 A

AKS 11

AK-PC 740/780

Danf

os

s

R64-2050.11

AKS 32R

AK-SC 255/

AK-SM 350/

AK-SM 720/

AKA 245

AKS 32R

AKS 11

EVRH

Summary of Contents for Cascade HFC

Page 1: ...R AKS 32R GD DGS AKS 11 AKS 2050 AKS 11 AK PC 740 780 GD DGS AKS 11 AKS 32R AKD 102 AKS 11 DCR Pump SGN AKS 2050 AKS 11 EKC 313 EVR ETS DCR AKD 102 AKD 102 AK CC 450 AKS 11 AKVH AK CC 550 A AKS 11 AK...

Page 2: ...scharge pressure setting 30 bar 5 C The higher the efficiency of the cascade heat exchanger the lower the difference between the condensation temperature of CO2 and the evaporating temperature of the...

Page 3: ...d with refrigerant and started up When this is done the CO2 can be filled into the low temperature system The high temperature expansion valve ETS to the cascade heat exchanger should begin simul tane...

Page 4: ...2 R AKS 32R GD DGS AKS 11 AKS 2050 AKS 11 AK PC 740 780 GD DGS AKS 11 AKS 32R AKD 102 AKS 11 DCR Pump SGN AKS 2050 AKS 11 EKC 313 EVR ETS DCR AKD 102 AKD 102 AK CC 450 AKS 11 AKVH AK CC 550 A AKS 11 A...

Page 5: ...n the AK PC 740 780 make it possible to use the Pc pressure in the LT CO2 side as control sensor for the HT suction pressure This to ensure fast and stable control of the condens ing pressure of LT CO...

Page 6: ...medium temperature display cases or rooms is controlled by opening closing a solenoid valve motor valve in the CO2 supply to the evaporator The actual temperature control can take place in two ways as...

Page 7: ...n evaporator perform ance Stepper motor driver for ETS or CCM expansion valve 0 10 V output for ICMTS valves Electrically operated expansion valves for precise liquid injection in evaporators Fully ba...

Page 8: ...Danfoss reserves the right to alter its products without notice This also applies to products already on order provided that such alternations can be made without subsequential changes being necessar...

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