Data Sheet for Product
Page 2 of 6 Siemens Building Technologies, Inc.
Document No. 127-0010
Table 1. Three-Compressor Screw Chiller.
Point Type Description Range/Units
20 LAI Circuit 1 Subcooling Temperature. Calculated by subtracting liquid
line temp. (Point 14) from condenser refrigerant temperature.
0 – 263°F
21 LAI Circuit 2 Subcooling Temperature. Calculated by subtracting liquid
line temp. (Point 15) from condenser refrigerant temperature.
0 – 263°F
22 LAI Circuit 3 Subcooling Temperature. Calculated by subtracting liquid
line temp. (Point 16) from condenser refrigerant temperature.
0 – 263°F
23 LAI Circuit 1 Discharge Temperature. Temperature of high-pressure
vaporized refrigerant leaving the compressor.
-40 – 263°F
24 LAI Circuit 2 Discharge Temperature. Temperature of high-pressure
vaporized refrigerant leaving the compressor.
-40 – 263°F
25 LAI Circuit 3 Discharge Temperature. Temperature of high-pressure
vaporized refrigerant leaving the compressor.
-40 – 263°F
26 LAI Circuit 1 Evaporator Pressure 0 – 150 psi
27 LAI Circuit 2 Evaporator Pressure 0 – 150 psi
28 LAI Circuit 3 Evaporator Pressure 0 – 150 psi
29 LAI Circuit 1 Condenser Pressure 0 – 450 psi
30 LAI Circuit 2 Condenser Pressure 0 – 450 psi
31 LAI Circuit 3 Condenser Pressure 0 – 450 psi
35 LAI Compressor 1 Operating Hours 0 – 65,279
36 LAI Compressor 2 Operating Hours 0 – 65,279
37 LAI Compressor 3 Operating Hours 0 – 65,279
38 LAI Compressor 1 Starts 0 – 65,279
39 LAI Compressor 2 Starts 0 – 65,279
40 LAI Compressor 3 Starts 0 – 65,279
41 LAI Circuit 1 Alarm See Table 4
42 LAI Circuit 2 Alarm See Table 4
43 LAI Circuit 3 Alarm See Table 4
44 LAI Circuit No. 1 Condition at Time of Alarm: Capacity 0 – 100%
46 LAI Circuit No. 1 Condition at Time of Alarm: Condenser Pressure 0 – 450 psi
47 LAI Circuit No. 1 Condition at Time of Alarm: Evaporator Leaving Water
Temperature
-40 – 263°F
48 LAI Circuit No. 1 Condition at Time of Alarm: Fan Stage 0 – 5
49 LAI Circuit No. 1 Condition at Time of Alarm: Evaporator Pressure 0 – 150 psi
50 LAI Circuit No. 1 Condition at Time of Alarm: Liquid Line Temperature
-40 – 263°F
51 LAI Circuit No. 1 Condition at Time of Alarm: Suction Temperature
-40 – 263°F
52 LAI Circuit No. 2 Condition at Time of Alarm: Capacity 0 – 100%
54 LAI Circuit No. 2 Condition at Time of Alarm: Condenser Pressure 0 – 450 psi
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