Data Sheet for Product

Page 2 of 6 Siemens Building Technologies, Inc.
Document No. 127-0006
Table 1. C Vintage Water-Cooled Screw Chiller.
Point Type Description Range/Units
29 LAI Condenser Water Temperature – Delta 0 – 263°F
30 LAI Condenser Water Temperature – Entering -40 – 263°F
31 LAI Condenser Water Temperature – Leaving -40 – 263°F
32 LDI Cooling Tower Control External/Chiller
33 LAI Cooling Tower Stage 0 – 6 Stages
34 LAI Cooling Tower Valve Position 0 – 100%
35 LAI Discharge Refrigerant Temperature – Circuit 1 -40 – 263°F
36 LAI Discharge Refrigerant Temperature – Circuit 2 -40 – 263°F
37 LAI Evaporator Approach Temperature 0 – 263°F
38 LAI Evaporator Pump Status See Table 3
39 LAI Evaporator Pump No. 1 Operating Hours 0 – 49,999
40 LAI Evaporator Pump No. 2 Operating Hours 0 – 49,999
41 LAI Evaporator Refrigerant Pressure 0 – 150 psig
42 LAI Evaporator Water Flow Rate 0 – 65,535 GPM
43 LDI Evaporator Water Flow Status No Flow/Flow
44 LDI Evaporator Water Rate Sensor Not Present/Present
45 LAI Evaporator Water Temperature – Delta 0 – 263°F
46 LAI Evaporator Water Temperature – Entering -40 – 263°F
47 LAI Evaporator Water Temperature – Leaving -40 – 263°F
48 LAI Fault - Current Active – Circuit 1 See Table 4
49 LAI Fault - Current Active – Circuit 2 See Table 4
50 LAI Liquid Line Refrigerant Temperature -40 – 263°F
51 LAI Liquid Line Pressure 0 – 450 psig
52 LAI Outdoor Air Temperature Method Not Present/Local/Network
53 LDI Refrigerant Detection Sensor Not Present/Present
54 LAI Refrigerant Leak Detection Limit 0 – 100 ppm
55 LAI Unit Status See Table 5
56 LDO Clear Current Fault – Circuit 1 No Action/Clear Fault
57 LDO Clear Current Fault – Circuit 2 No Action/Clear Fault
58 LDO Disable Chiller Operation Enable/Disable
59 LAO Chilled Water Temperature Set Point 0 – 80°F
60 LAO Outdoor Air Temperature Method Not Present/Local/Network
61 LAI Outside Air Temperature -100 – 500°F
99 LDI Communication Status Normal/Failed