Data Sheet for Product

Page 2 of 4 Siemens Building Technologies, Inc.
Document No. 127-0553
Table 1. Direct Fired, Cooling Only (DC-U) Absorption Chiller.
Point Type Description Range/Units
33 – 34 LAI Unit Operating Hours
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35 – 36 LAI Absorbent Pump 1 Operating Hours
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37 – 38 LAI Burner Operating Hours
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39 – 40 LAI Refrigerant Pump Operating Hours
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41 LDI Operation Indication Off/On
42 LDI Answer Back Signal Off/On
43 LDI Alarm Indication Off/On
44 LDI Absorbent Pump 1 or Inverter (Alarm) Disable/Enable
45 LDI Absorbent Pump 1 Disable/Enable
46 LDI Absorbent Pump 2 (Alarm) Disable/Enable
47 LDI Absorbent Pump 2 Disable/Enable
48 LDI Auto Restart After Power Failure Disable/Enable
49 LDI Burner Signal Off/On
50 LDI Flame Failure Normal/Alarm
51 LDI Fuel Input Valve/Cooling Main Mode (Close) Off/On
52 LDI Fuel Input Valve/Cooling Main Mode (Open) Off/On
55 LDI Chilled Water Flow Rate No Flow/Flow
56 LDI Chilled And/Or Hot Water Pump Signal Off/On
57 LDI Chilled Water Pump Interlock Open/Closed
58 LDI Control Valve 1 Auto/Manual
65 LDI Cooling Mode Off/On
66 LDI Cooling Water Flow Rate No Flow/Flow
67 LDI Cooling Water Pump Signal Off/On
68 LDI Cooling Water Pump Interlock Open/Closed
69 LDI Heating Mode Off/On
70 LDI High Temperature Generator Low Solution Level Normal/Alarm
71 LDI High Temperature Generator Pressure Normal/Alarm
74 LDI Purge Pump Off/On
75 LDI Refrigerant Pump (Alarm) Normal/Alarm
76 LDI Refrigerant Pump Off/On
77 LDI Refrigerant Pump Automatic Function Disabled/Enabled
78 LDI Refrigerant Pump Manual Function Disabled/Enabled
81 LDI Remote Start/Stop Signal 1 Stop/Start
99 LDI Device Communication Failure Normal/Failed