Blue Box SIGMA 2002, Installation, Installation, Operating, Operating, And Maintenance Manual

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Blue Box - 13
TECHNICAL DATA Refrigerant R22
MODEL SIGMA 2002 18.4 20.4 24.4 26.4
Cooling (*)
Nominal capacity kW 209 241 267,4 293,9
Evaporator water flow l/s 9,985 11,514 12,778 14,042
(l/h) 35.944 41.449 46.000 50.550
Evaporator pressure drop kPa 39 35 33,1 34,1
Condenser water flow l/s 12,258 14,147 15,697 17,247
(l/h) 44.130 50.931 56.509 62.088
Condenser pressure drop kPa 25,8 28,1 29,9 26,7
Heating (**)
Nominal capacity kW 257,4 297,9 332,3 366,6
Condenser water flow l/s 12,297 14,233 15,874 17,516
(l/h) 44.268 51.238 57.147 63.056
Condenser pressure drop kPa 57,6 52,3 49,9 51,9
Evaporator water flow l/s 9,418 10,894 12,163 13,432
(l/h) 33.904 39.218 43.786 48.354
Evaporator pressure drop kPa 15,6 17 18,3 16,5
Compressors type
Quantity n
Absorbed power cooling (*) kW 47,6 55,1 61,1 67,1
Absorbed power heating (**) kW 60,3 69,9 77,7 85,5
Capacity steps % 0-25-50-75-100 0-25-50-75-100 0-25-50-75-100 0-25-50-75-100
Refrigerant charge
Chiller version kg 2 x 12,9 2 x 15,9 2 x 17,4 2 x 20,7
Heat pump version kg 2 x 10,4 2 x 13 2 x 14,4 2 x 17,8
Oil
Oil charge l 2 x 8 + 2 x 6,6 4 x 8 4 x 8 4 x 8
Oil producer
Oil type
Evaporator type
Heat exchanger water volume l 2 x 8,4 2 x 10,5 2 x 11,6 2 x 14,3
Max operating pressure water side bar 30 30 30 30
Condenser type
Condenser water volume l 2 x 2,3 2 x 2,8 2 x 3 2 x 3,5
Max operating pressure water side bar 30 30 30 30
Dimension and weight
Length mm 2.476 2.476 2.476 2.476
Width mm 768 768 768 768
Heigth mm 1.700 1.700 1.700 1.700
Shipping weight kg 1.069 1.210 1.226 1.270
plate heat exchanger
plate heat exchanger
4
Maneurop
160P
(*) evaporator entering/leaving temperature 12-7 °C;
condenser entering/leaving temperature 30-35 °C
(**) condenser entering/leaving temperature 40-45 °C;
evaporator entering/leaving temperature 15-10 °C.