Data Sheet for Product

Point Map

Rev. 3, February, 2002

Siemens Building Technologies, Inc. Page 1 of 4

Document No. 127-0018

Systems Integration

APOGEE

Open Processor with McQuay Microtech

Driver: Large Water Source Heat Pump

Table 1. Large Water Source Heat Pump.

Point Type Description Range/Units

01 LAO Device Address —

02 LAO Application Number 5041

03 LAI Space Temperature

°F

04 LAI Discharge Air Temperature

°F

05 LAI Leaving Water Temperature

°F

06 LAI Operating Mode See Table 2

07 LAI Set Point Adjustment

-3 – 3°F

08 LAI Heating Set Point

°F

09 LAI Cooling Set Point

°F

10 LDI Room Too Warm Off/On

11 LDI Room Too Cool Off/On

12 LDI Change Filter Off/On

13 LDI Rapid Cycling Off/On

14 LDI Bad Discharge Air Temperature Sensor Off/On

15 LDI Bad Leaving Water Temperature Sensor Off/On

16 LDI Request Loop Flow Off/On

17 LAI Current Fault SeeTable 3

18 LAI Previous Fault See Table 3

19 LAI Compressor 1 Fault See Table 3

20 LAI Compressor 2 Fault See Table 3

21 LDI Fan Off/On

22 LAI Fan Run Hours Rolls over at 50,000

23 LDI Compressor 1 Off/On

24 LAI Compressor 1 Run Hours Number of Hours

25 LAI Compressor 1 Starts Rolls over at 655,360

continued on next page...

PAGE 1
Point Map Rev. 3, February, 2002 Systems Integration APOGEE¥ Open Processor with McQuay Microtech Driver: Large Water Source Heat Pump Table 1. Large Water Source Heat Pump.
PAGE 2
Table 1. Large Water Source Heat Pump. Point Type Description Range/Units 26 LDI Compressor 2 Off/On 27 LAI Compressor 2 Run Hours Number of Hours 28 LAI Compressor 2 Starts Rolls over at 655,360 29 LAO Unoccupied Cooling Temperature Set Point. Water Source Heat Pump attempts to maintain room temperature by discharging a constant temperature of air. For cooling, typical discharge temperature is room temperature minus 20°F. Unit begins cooling based on room temperature.
PAGE 3
Table 1. Large Water Source Heat Pump. Point Type Description Range/Units 38 LAO Occupied/Unoccupied 0 = Unoccupied 255 = Occupied 39 LAO Filter Status Hours 40 LAO Maximum Filter Hours 99 LDI Device Communication Failure Normal/Failed Table 2. Operating Mode (Point 06). Value Siemens Building Technologies, Inc. Document No. 127-0018 Description 0 Unoccupied 1 Occupied 2 Override 3 Occupied – Load Shed.
PAGE 4
Table 3. Faults (Points 17 through 20). Value Description 204 Room Temperature Sensor Fail 187 Low Discharge Air Temperature 188 Low Refrigerant Pressure 189 High Refrigerant Pressure 255 None Table 4. Auto/Manual Mode (Point 36). Value Description 1 Manual Occupied 5 Manual Fan Only 9 Manual Off 255 Auto Table 5. System Command (Point 37).